:root{--font-sans: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--font-hand: "Chalkboard SE", "Comic Sans MS", "Kaiti SC", "STKaiti", cursive;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--text-size-xs: 9px;--text-size-sm: 11px;--text-size-md: 13px;--text-size-title: 18px;--leading-tight: 1.2;--leading-ui: 1.4;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--icon-sm: 14px;--icon-md: 16px;--icon-lg: 20px;--font-weight-regular: 400;--font-weight-medium: 550;--font-weight-semibold: 650;--font-weight-bold: 750;--border-width: 1px;--border-width-strong: 1.5px;--radius-control: 8px;--radius-pill: 999px;--site-action-bg: #10ab3e;--site-action-hover: #0d9e38;--site-action-active: #0b9133;--site-action-text: #ffffff;--site-action-focus: rgba(16, 171, 62, .28);--site-action-radius: var(--radius-pill);--site-action-weight: 600;--site-action-secondary-bg: #ffffff;--site-action-secondary-text: #858585;--site-action-secondary-hover: #656565;--site-action-secondary-active: #555555;--site-action-shadow: 0 7px 14px #24292309;--site-action-shadow-hover: 0 9px 18px #24292310;--site-action-height: 40px;--site-action-size: 14px;--site-action-padding: 10px 20px;--ui-page-title-size: 32px;--ui-page-title-size-mobile: 26px;--ui-section-title-size: 20px;--ui-body-size: 14px;--ui-label-size: 12px;--ui-field-height: 42px;--ui-field-size: 14px;--ui-field-radius: 12px;--ui-field-padding: 10px 14px;--ui-panel-radius: 18px;--ui-panel-padding: 24px;--ui-dialog-radius: 24px;--ui-dialog-padding: 24px;--ui-dialog-backdrop: rgba(20, 32, 24, .44);--ui-focus-ring: 3px solid var(--site-action-focus);--duration-fast: .14s;--duration-base: .18s;--ease-standard: cubic-bezier(.2, .65, .3, 1)}html[data-theme=dark]{--site-action-bg: #eeeeee;--site-action-hover: #ffffff;--site-action-active: #cccccc;--site-action-text: #161616;--site-action-focus: #ffffff40;--site-action-secondary-bg: #222222;--site-action-secondary-text: #bcbcbc;--site-action-secondary-hover: #eeeeee;--site-action-secondary-active: #ffffff;--site-action-shadow: none;--site-action-shadow-hover: 0 2px 8px #0003;--ui-dialog-backdrop: #0009}:root{color-scheme:light;--bg: #f5f1e8;--surface: #fffdf8;--surface-subtle: #eee9df;--surface-raised: #fff7cf;--text: #1a1a1a;--text-soft: #4f4d47;--text-faint: #7a7a7a;--border: #d8d2c5;--border-strong: #aaa59a;--accent: var(--site-action-bg);--accent-hover: var(--site-action-hover);--accent-soft: #e8f5df;--accent-border: #b1d79b;--accent-ink: #387b37;--success: #16845b;--success-soft: #e8f7f0;--success-border: #b9e1ce;--warning: #b35d00;--warning-soft: #fff1d6;--warning-border: #efc47c;--danger: #c2413a;--danger-soft: #fff0ee;--blue: #2563a6;--blue-soft: #eaf3ff;--shadow-sm: 0 1px 2px rgba(26, 26, 26, .035), 0 5px 14px rgba(26, 26, 26, .025);--shadow-md: 0 14px 36px rgba(26, 26, 26, .09);--shadow-lg: var(--shadow-md);--radius-sm: 10px;--radius: 15px;--radius-lg: 21px;--sidebar-width: 248px;--text-size-body: 14px;--leading-body: 1.7;--leading-paper: 1.85;--reading-blue: #657d93;--reading-blue-soft: #eef3f6;--reading-gold: #b99c3e;--reading-gold-soft: #f7f3e5;--reading-green: #4f7d68;--reading-green-soft: #edf5f0;--background: var(--bg);font-family:var(--font-sans)}[data-theme=dark]{color-scheme:dark;--bg: #0b0b0b;--surface: #191919;--surface-subtle: #222222;--surface-raised: #252525;--surface-input: #111111;--text: #eeeeee;--text-soft: #bcbcbc;--text-faint: #929292;--border: #343434;--border-strong: #666666;--accent: var(--site-action-bg);--accent-hover: var(--site-action-hover);--accent-soft: #303030;--accent-border: #666666;--accent-ink: #dddddd;--success: #86d5ad;--success-soft: #17372c;--success-border: #2f604c;--warning: #f0ab5c;--warning-soft: #3c2d1d;--warning-border: #674a24;--danger: #ef8a83;--danger-soft: #3e2727;--blue: #a6c9ee;--blue-soft: #26374a;--reading-blue: #91aabd;--reading-blue-soft: #263238;--reading-gold: #d6bd69;--reading-gold-soft: #3b3524;--reading-green: #79b594;--reading-green-soft: #20382d;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .16), 0 5px 14px rgba(0, 0, 0, .1);--shadow-md: 0 14px 36px rgba(0, 0, 0, .26);--shadow-lg: var(--shadow-md)}html{min-width:320px;background:var(--bg)}body{margin:0;min-width:320px;min-height:100vh;color:var(--text);background:var(--bg);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button{color:inherit}button,[role=button]{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[role=button]:focus-visible,[tabindex]:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 30%,transparent);outline-offset:2px}svg{display:block}.app-shell{min-height:100vh;display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr)}.sidebar{position:sticky;top:0;z-index:30;height:100vh;display:flex;flex-direction:column;gap:8px;padding:16px 12px 14px;background:var(--surface);border-right:1px solid var(--border)}.brand-row,.brand,.nav-item,.account-card,.topbar,.topbar-left,.topbar-actions,.breadcrumb,.section-heading,.button,.status-pill,.paper-row,.list-meta,.inline-actions,.stepper,.step,.upload-specs,.file-meta,.recognition-state,.issue-banner,.editor-toolbar,.field-label,.exam-topbar,.exam-status,.exam-controls,.option,.result-score,.filter-tabs,.filter-button,.settings-row,.toast,.login-brand{display:flex;align-items:center}.brand-row{justify-content:space-between;padding:2px 4px 14px}.brand{gap:11px;padding:4px;border:0;background:transparent;cursor:pointer;text-align:left}.brand-mark{width:36px;height:30px;display:inline-grid;place-items:center;flex:0 0 auto;color:var(--text, #111827)}.brand-mark svg{width:100%;height:100%;display:block;overflow:visible}.brand-mark path{fill:none;stroke:currentColor;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.brand-mark .brand-crown-fill{fill:var(--accent, #ffd24d);stroke-width:5.5}.brand-mark .brand-crown-accent{stroke:#9a7300;stroke-width:2.6;opacity:.72}.account-copy small{color:var(--text-faint);font-size:11px}.icon-button{width:36px;height:36px;display:inline-grid;place-items:center;flex:0 0 auto;padding:0;border:1px solid transparent;border-radius:9px;background:transparent;cursor:pointer;color:var(--text-soft)}.icon-button:hover{color:var(--text);background:var(--surface-subtle);border-color:var(--border)}.sidebar-close,.mobile-menu{display:none}.nav-groups{display:grid;gap:24px}.nav-group{display:grid;gap:3px}.nav-label{margin:0 10px 6px;color:var(--text-faint);font-size:var(--text-size-sm);font-weight:600;letter-spacing:.08em;text-transform:uppercase}.nav-item{position:relative;gap:10px;width:100%;min-height:40px;padding:8px 10px;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--text-soft);cursor:pointer;text-align:left}.nav-item:hover{color:var(--text);background:color-mix(in srgb,var(--surface) 62%,transparent)}.nav-item.is-active{color:var(--text);background:var(--accent-soft);border-color:var(--accent-border);box-shadow:none}.nav-item svg{width:var(--icon-md);height:var(--icon-md)}.nav-item span:nth-child(2){flex:1;font-size:var(--text-size-md);font-weight:500}.nav-item kbd{padding:1px 5px;border:1px solid var(--border);border-bottom-color:var(--border-strong);border-radius:5px;color:var(--text-faint);background:var(--surface-subtle);font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.nav-item em{min-width:20px;padding:2px 6px;border-radius:10px;color:var(--text-soft);background:var(--border);font-size:10px;font-style:normal;text-align:center}.sidebar-spacer{flex:1}.account-card{position:relative;gap:10px;width:100%;padding:9px 8px;border:1px solid transparent;border-radius:10px;background:transparent;cursor:pointer;text-align:left}.account-card:hover{background:var(--surface);border-color:var(--border)}.avatar,.top-avatar{display:inline-grid;place-items:center;border-radius:50%;background:var(--site-action-bg);color:var(--site-action-text);font-size:10px;font-weight:700}.avatar{width:31px;height:31px}.account-copy{flex:1;display:grid;gap:2px}.account-copy strong{font-size:12px}.account-card>svg{width:14px;color:var(--text-faint)}.account-menu{position:absolute;z-index:50;right:0;top:calc(100% + 10px);width:230px;padding:7px;border:1px solid var(--border);border-radius:13px;background:var(--surface);box-shadow:var(--shadow-md)}.account-menu-profile{display:flex;align-items:center;gap:10px;margin-bottom:5px;padding:10px;border-bottom:1px solid var(--border)}.account-menu-profile>div{min-width:0;display:grid;gap:3px}.account-menu-profile strong{color:var(--text);font-size:12px}.account-menu-profile small{overflow:hidden;color:var(--text-faint);font-size:9px;text-overflow:ellipsis;white-space:nowrap}.account-menu>a,.account-menu>button{width:100%;min-height:40px;display:flex;align-items:center;gap:9px;margin:2px 0;padding:9px 10px;border:0;border-radius:8px;background:transparent;cursor:pointer;color:var(--text-soft);font:inherit;font-size:11px;text-decoration:none;text-align:left}.account-menu>a:hover,.account-menu>button:hover{color:var(--text);background:var(--surface-subtle)}.account-menu button.account-menu-danger{margin-top:4px;border-top:1px solid var(--border);border-radius:0 0 8px 8px;color:var(--danger)}.sidebar-scrim{display:none}.main-shell{min-width:0;min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;justify-content:space-between;height:64px;padding:0 28px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.topbar-left,.topbar-actions{gap:8px}.breadcrumb{gap:7px;color:var(--text-faint);font-size:var(--text-size-sm)}.breadcrumb svg{width:var(--icon-sm);height:var(--icon-sm)}.breadcrumb strong{color:var(--text);font-weight:550}.top-avatar{width:32px;height:32px;margin-left:4px;border:0;cursor:pointer}.top-account{position:relative}.top-user-trigger{display:flex;align-items:center;gap:9px;padding:3px 3px 3px 10px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);cursor:pointer;text-align:right}.top-user-trigger:hover{background:var(--surface-subtle)}.top-user-copy{display:grid;gap:1px}.top-user-copy strong{font-size:11px;font-weight:650}.top-user-copy small{color:var(--text-faint);font-size:9px}.view-container{width:100%;max-width:1440px;margin:0 auto;padding:38px 42px 70px}.page-enter{animation:page-in .24s ease-out}@keyframes page-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.eyebrow{margin:0 0 8px;color:var(--accent-ink);font:600 var(--text-size-sm)/var(--leading-tight) var(--font-mono);letter-spacing:.08em;text-transform:uppercase}h1,h2,h3,p{text-wrap:pretty}h1{margin:0;font-size:clamp(27px,3vw,38px);line-height:var(--leading-tight);letter-spacing:-.035em;font-weight:620}h2{margin:0;font-size:var(--text-size-title);line-height:1.35;letter-spacing:-.018em;font-weight:600}h3{margin:0;font-size:var(--text-size-body);line-height:var(--leading-ui);font-weight:600}.page-intro{margin-bottom:30px}.page-intro p:not(.eyebrow){max-width:720px;margin:10px 0 0;color:var(--text-soft);font-size:var(--text-size-body);line-height:var(--leading-body)}.section-heading{justify-content:space-between;gap:16px;margin-bottom:14px}.section-heading p{margin:4px 0 0;color:var(--text-soft);font-size:12px}.text-button{display:inline-flex;align-items:center;gap:5px;padding:5px 0;border:0;background:transparent;color:var(--text-soft);cursor:pointer;font-size:12px}.text-button:hover{color:var(--text)}.button svg,.text-button svg{width:var(--icon-md);height:var(--icon-md)}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.75fr);gap:18px;margin-bottom:26px}.hero-card,.continue-card,.metric-card,.panel,.paper-row,.upload-panel,.recognition-panel,.correction-shell,.exam-setup-card,.result-hero,.result-panel,.mistake-row,.settings-panel,.login-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-sm)}.hero-card{position:relative;min-height:286px;overflow:hidden;padding:30px}.hero-card:after{content:none}.hero-card>*{position:relative;z-index:1}.hero-card>.dashboard-hero-orbit{position:absolute;z-index:0;width:380px;height:245px;right:-68px;top:-42px;color:var(--accent-border);opacity:.72}.hero-card>.dashboard-hero-star{position:absolute;right:27px;top:27px;color:var(--text);--brand-star-fill: var(--accent);transform:rotate(10deg)}.hero-card h1{max-width:650px}.hero-card>p:not(.eyebrow){max-width:580px;margin:12px 0 22px;color:var(--text-soft);font-size:14px;line-height:1.65}.quick-upload{max-width:650px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:12px;padding:8px 8px 8px 14px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface-raised);box-shadow:0 5px 18px #1918150d}.quick-upload-copy{min-width:0;display:flex;align-items:center;gap:10px;color:var(--text-soft);font-size:13px}.quick-upload-copy span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.quick-upload-copy svg{flex:0 0 auto;color:var(--accent)}.hero-flow{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-top:16px;color:var(--text-faint);font-size:11px}.hero-flow span{padding:4px 8px;border-radius:6px;background:var(--surface-subtle)}.hero-flow svg{width:12px;height:12px}.continue-card{display:flex;flex-direction:column;padding:22px}.card-kicker{margin:0 0 15px;color:var(--text-faint);font:600 var(--text-size-xs)/var(--leading-tight) var(--font-mono);letter-spacing:.09em;text-transform:uppercase}.continue-meta{margin:8px 0 16px;color:var(--text-soft);font-size:12px;line-height:1.6}.task-summary-card.has-failure{border-top-color:var(--danger)}.task-summary-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.task-summary-head h2{margin-top:5px;font-size:18px}.task-summary-card .continue-meta{margin:7px 0 10px;font-size:11px}.dashboard-task-list{display:grid;margin-bottom:12px;border-block:1px solid var(--border)}.dashboard-task-row{width:100%;display:grid;grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:9px;padding:10px 0;border:0;color:var(--text);background:transparent;text-align:left;cursor:pointer}.dashboard-task-row+.dashboard-task-row{border-top:1px solid var(--border)}.dashboard-task-row:hover .dashboard-task-copy strong{color:var(--accent-ink)}.dashboard-task-icon{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;color:var(--accent-ink);background:var(--accent-soft)}.dashboard-task-icon svg{width:14px;height:14px}.dashboard-task-row.is-pending .dashboard-task-icon svg,.dashboard-task-row.is-processing .dashboard-task-icon svg{animation:dashboard-spin 1.2s linear infinite}.dashboard-task-row.is-failed .dashboard-task-icon{color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,transparent)}.dashboard-task-row.is-succeeded .dashboard-task-icon{color:var(--success);background:var(--success-soft)}.dashboard-task-copy{min-width:0;display:grid;gap:3px}.dashboard-task-copy strong,.dashboard-task-copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dashboard-task-copy strong{font-size:11px;transition:color .15s ease}.dashboard-task-copy small{color:var(--text-soft);font-size:9px}.dashboard-task-copy .progress-track{height:4px;margin-top:2px}.dashboard-task-copy .progress-track i{width:var(--progress, 0%);height:100%;display:block;border-radius:inherit;background:var(--accent);transition:width .3s ease}.dashboard-task-percent{color:var(--text-soft);font:600 10px ui-monospace,SFMono-Regular,Menlo,monospace}.dashboard-task-row.is-failed .dashboard-task-percent{color:var(--danger)}.dashboard-task-limit{margin:auto 0 0;padding-top:8px;color:var(--text-faint);font-size:10px;text-align:center}@keyframes dashboard-spin{to{transform:rotate(360deg)}}.progress-track{position:relative;height:7px;overflow:hidden;border-radius:99px;background:var(--surface-subtle)}.progress-track>span{display:block;height:100%;width:var(--progress, 0%);border-radius:inherit;background:var(--accent);transition:width .3s ease}.continue-progress-labels{display:flex;justify-content:space-between;margin-top:7px;color:var(--text-faint);font-size:10px}.continue-card .button{width:100%;margin-top:auto}.metrics-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:30px}.metric-card{padding:17px 18px}.metric-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.metric-top span:first-child{color:var(--text-soft);font-size:11px}.metric-icon{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;color:var(--accent);background:var(--accent-soft)}.metric-icon svg{width:14px;height:14px}.metric-value{display:flex;align-items:baseline;gap:7px}.metric-value strong{font-size:28px;line-height:1;font-weight:600;letter-spacing:-.04em}.dashboard-insight-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:14px;margin:-12px 0 30px}.usage-overview-card,.learning-recommendation-card{padding:18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm)}.usage-overview-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.usage-overview-head>div{display:grid;gap:4px}.usage-overview-head span{color:var(--text-faint);font-size:9px}.usage-overview-head strong{font-size:15px}.daily-quota-overview{display:grid;grid-template-columns:48px repeat(3,minmax(0,1fr));gap:8px;margin-top:14px;padding:10px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.daily-quota-overview>div{min-width:0;display:grid;gap:2px;padding:0 8px;border-left:1px solid var(--border)}.daily-quota-overview>div:first-child{padding-left:0;border-left:0}.daily-quota-overview span,.daily-quota-overview small{overflow-wrap:anywhere;color:var(--text-faint);font-size:9px;line-height:1.35}.daily-quota-overview strong{overflow-wrap:anywhere;font-size:11px}.daily-quota-overview-label{grid-template-columns:18px minmax(0,1fr);align-content:center;align-items:center}.daily-quota-overview-label svg{width:16px;height:16px;color:var(--accent-ink)}.usage-bars{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:17px}.usage-bars>div>div:first-child{display:flex;justify-content:space-between;gap:8px;margin-bottom:8px;color:var(--text-soft);font-size:9px}.usage-bars strong{color:var(--text);font-size:9px}.usage-bar{height:7px;overflow:hidden;border-radius:99px;background:var(--surface-subtle)}.usage-bar>span{display:block;width:var(--usage, 0%);height:100%;border-radius:inherit;background:var(--accent)}.learning-recommendation-card{display:flex;align-items:center;justify-content:space-between;gap:18px;background:linear-gradient(120deg,var(--accent-soft),var(--surface) 65%)}.learning-recommendation-card>div:first-child{display:flex;align-items:flex-start;gap:12px}.recommendation-icon{width:38px;height:38px;display:grid;place-items:center;flex:0 0 auto;border-radius:11px;background:var(--site-action-bg);color:var(--site-action-text)}.learning-recommendation-card strong{font-size:12px}.learning-recommendation-card p{max-width:520px;margin:6px 0 0;color:var(--text-soft);font-size:10px;line-height:1.6}.recommendation-actions{display:flex;flex:0 0 auto;gap:7px}.metric-value span{color:var(--text-faint);font-size:11px}.panel{overflow:hidden}.paper-list{display:grid}.paper-row{gap:14px;padding:15px 17px;border:0;border-radius:0;border-bottom:1px solid var(--border);box-shadow:none}.paper-row:last-child{border-bottom:0}.paper-cover{position:relative;width:42px;height:52px;flex:0 0 auto;overflow:hidden;border:1px solid var(--border);border-radius:5px;background:var(--surface-raised)}.paper-cover:before,.paper-cover:after{content:"";position:absolute;left:8px;right:8px;height:2px;background:var(--border-strong);box-shadow:0 6px 0 var(--border),0 12px 0 var(--border)}.paper-cover:before{top:12px}.paper-cover:after{top:33px;right:17px}.paper-info{min-width:0;flex:1}.paper-title-line{display:flex;align-items:center;gap:9px;margin-bottom:6px}.paper-title-line h3{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-pill{width:fit-content;gap:4px;flex:0 0 auto;padding:3px 7px;border:1px solid var(--border);border-radius:99px;color:var(--text-soft);background:var(--surface-subtle);font-size:9px;font-weight:550}.status-pill.success{color:var(--success);background:var(--success-soft);border-color:var(--success-border)}.status-pill.warning{color:var(--warning);background:var(--warning-soft);border-color:var(--warning-border)}.status-pill.danger{color:var(--danger);background:color-mix(in srgb,var(--danger) 9%,var(--surface));border-color:color-mix(in srgb,var(--danger) 28%,var(--border))}.status-pill.info{color:var(--blue);background:var(--blue-soft);border-color:color-mix(in srgb,var(--blue) 28%,var(--border))}.paper-submeta{display:flex;flex-wrap:wrap;gap:7px 14px;color:var(--text-faint);font-size:10px}.paper-submeta span{display:flex;align-items:center;gap:4px}.paper-submeta svg{width:12px;height:12px}.paper-row .inline-actions{gap:7px;flex:0 0 auto}.mobile-nav{display:none}.stepper{align-items:flex-start;width:min(690px,100%);margin:0 auto 34px}.step{position:relative;flex:1;flex-direction:column;gap:8px;color:var(--text-faint);font-size:10px;text-align:center}.step:not(:last-child):after{content:"";position:absolute;left:calc(50% + 17px);right:calc(-50% + 17px);top:14px;height:1px;background:var(--border)}.step-circle{z-index:1;width:29px;height:29px;display:grid;place-items:center;border:1px solid var(--border);border-radius:50%;color:var(--text-faint);background:var(--bg);font:600 10px ui-monospace,SFMono-Regular,Menlo,monospace}.step.is-active,.step.is-complete{color:var(--text)}.step.is-active .step-circle{color:var(--bg);background:var(--text);border-color:var(--text)}.step.is-complete .step-circle{color:var(--site-action-text);background:var(--site-action-bg);border-color:var(--site-action-bg)}.step.is-complete:not(:last-child):after{background:var(--accent)}.upload-panel,.recognition-panel{max-width:920px;margin:0 auto;padding:26px}.upload-dropzone{min-height:310px;display:grid;place-items:center;padding:40px 24px;border:1.5px dashed var(--border-strong);border-radius:14px;background:var(--surface-raised);cursor:pointer;text-align:center;transition:border .16s ease,background .16s ease}.upload-dropzone:hover,.upload-dropzone.is-dragging{border-color:var(--accent);background:var(--accent-soft)}.upload-graphic{position:relative;width:74px;height:68px;margin:0 auto 20px}.upload-paper{position:absolute;width:43px;height:54px;left:6px;top:8px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface);transform:rotate(-7deg);box-shadow:var(--shadow-sm)}.upload-paper:before{content:"";position:absolute;left:9px;right:9px;top:14px;height:2px;background:var(--border-strong);box-shadow:0 7px 0 var(--border),0 14px 0 var(--border)}.upload-bubble{position:absolute;right:3px;bottom:1px;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;color:var(--site-action-text);background:var(--site-action-bg);box-shadow:0 0 0 5px var(--surface-raised)}.upload-dropzone h2{margin-bottom:7px}.upload-dropzone p{margin:0 0 20px;color:var(--text-soft);font-size:12px}.upload-specs{justify-content:center;flex-wrap:wrap;gap:18px;margin-top:18px;color:var(--text-faint);font-size:10px}.upload-specs span{display:flex;align-items:center;gap:5px}.upload-specs svg{width:13px;height:13px}.upload-tip{display:flex;gap:10px;margin-top:14px;padding:12px 14px;border-radius:10px;color:var(--text-soft);background:var(--surface-subtle);font-size:11px;line-height:1.6}.upload-tip svg{flex:0 0 auto;width:15px;margin-top:1px;color:var(--accent)}.upload-tip.is-warning{color:#854d0e;background:#fffbeb;box-shadow:inset 0 0 0 1px #fde68a}.upload-tip.is-warning svg{color:#ca8a04}[data-theme=dark] .upload-tip.is-warning{color:#fde68a;background:#292311;box-shadow:inset 0 0 0 1px #713f12}.file-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:22px}.file-meta{align-items:flex-start;gap:12px}.file-icon{width:42px;height:42px;display:grid;place-items:center;flex:0 0 auto;border-radius:10px;color:var(--danger);background:var(--danger-soft)}.file-icon svg{width:19px;height:19px}.file-meta p{margin:5px 0 0;color:var(--text-faint);font-size:10px}.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:22px}.field{display:grid;gap:7px}.field label,.field-label{gap:6px;color:var(--text-soft);font-size:11px;font-weight:550}.field-label small{margin-left:auto;color:var(--text-faint);font-weight:400}.field input,.field select,.field textarea,.search-field{width:100%;min-height:40px;padding:9px 11px;border:1px solid var(--border);border-radius:8px;color:var(--text);background:var(--surface-raised)}.field textarea{min-height:94px;resize:vertical;line-height:1.65}.field.is-warning input,.field.is-warning select,.field.is-warning textarea{border-color:var(--warning);background:var(--warning-soft)}.pages-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.pages-heading span{color:var(--text-faint);font-size:10px}.page-thumbnails{display:grid;grid-template-columns:repeat(6,minmax(80px,1fr));gap:10px}.page-thumb{position:relative;border:1px solid var(--border);border-radius:8px;background:var(--surface-subtle);overflow:hidden}.page-thumb:hover .page-tools{opacity:1}.mini-page{aspect-ratio:.72;margin:7px;padding:12px 8px;border:1px solid var(--border);border-radius:3px;background:var(--surface);box-shadow:var(--shadow-sm)}.mini-page:before{content:"";display:block;width:42%;height:3px;margin-bottom:7px;background:var(--border-strong);box-shadow:0 9px 0 var(--border),18px 18px 0 -1px var(--border),0 27px 0 var(--border),0 36px 0 var(--border),12px 45px 0 -1px var(--border)}.page-number{display:block;padding:5px 7px 7px;color:var(--text-faint);font:10px ui-monospace,SFMono-Regular,Menlo,monospace;text-align:center}.page-tools{position:absolute;top:5px;right:5px;display:flex;gap:3px;opacity:0;transition:opacity .12s ease}.page-tools button{width:25px;height:25px;display:grid;place-items:center;padding:0;border:1px solid var(--border);border-radius:6px;background:var(--surface);cursor:pointer}.page-tools svg{width:12px;height:12px}.panel-footer{display:flex;justify-content:space-between;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid var(--border)}.panel-footer-actions,.paper-ready-actions{display:flex;gap:8px}.optional-flow{margin-left:8px;color:var(--text-faint)}.recognition-panel{max-width:920px}.recognition-orb{position:relative;width:92px;height:92px;display:grid;place-items:center;margin:5px auto 22px;border-radius:50%;color:var(--accent);background:var(--accent-soft)}.recognition-orb:before,.recognition-orb:after{content:"";position:absolute;border:1px solid var(--accent-border);border-radius:50%;inset:-7px;animation:recognize-pulse 2.4s ease-out infinite}.recognition-orb:after{inset:-15px;animation-delay:.8s}@keyframes recognize-pulse{0%{opacity:0;transform:scale(.85)}35%{opacity:.7}to{opacity:0;transform:scale(1.08)}}.recognition-orb svg{width:35px;height:35px}.recognition-copy{text-align:center}.recognition-copy p{margin:8px 0 22px;color:var(--text-soft);font-size:12px}.recognition-percent{margin:12px 0 26px;color:var(--text-faint);font:11px ui-monospace,SFMono-Regular,Menlo,monospace;text-align:right}.recognition-stages{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}.recognition-state{gap:8px;padding:10px;border-radius:8px;color:var(--text-faint);background:var(--surface-subtle);font-size:10px}.recognition-state span:first-child{width:18px;height:18px;display:grid;place-items:center;flex:0 0 auto;border-radius:50%;background:var(--border);font-size:9px}.recognition-state.is-done{color:var(--accent-ink);background:var(--accent-soft)}.recognition-state.is-done span:first-child{color:var(--site-action-text);background:var(--site-action-bg)}.recognition-state.is-current{color:var(--text);background:var(--warning-soft)}.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:22px 0}.summary-item{padding:14px;border-radius:10px;background:var(--surface-subtle)}.summary-item span{display:block;margin-bottom:8px;color:var(--text-faint);font-size:10px}.summary-item strong{font-size:20px;font-weight:600;letter-spacing:-.03em}.summary-item.stage-summary strong{overflow-wrap:anywhere;font-size:13px;line-height:1.5;letter-spacing:0}.recognition-alert{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border:1px solid var(--warning-border);border-radius:10px;color:var(--text-soft);background:var(--warning-soft);font-size:11px;line-height:1.6}.recognition-alert svg{flex:0 0 auto;color:var(--warning)}.recognition-alert.recognition-ready{border-color:var(--success-border);background:var(--success-soft)}.recognition-alert.recognition-ready svg{color:var(--accent)}.ai-field-note{margin-left:5px;color:var(--accent-ink);font-size:9px;font-weight:500}.upload-ai-note{display:flex;align-items:center;gap:8px;margin-top:18px;padding:11px 13px;border:1px solid var(--accent-border);border-radius:9px;color:var(--text-soft);background:var(--accent-soft);font-size:10px}.upload-ai-note svg{flex:0 0 auto;color:var(--accent-ink)}.recognition-live-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:12px;margin-top:16px}.classification-live,.ocr-live{padding:14px;border:1px solid var(--border);border-radius:11px;background:var(--surface-raised)}.recognition-live-label{display:block;margin-bottom:10px;color:var(--text-faint);font-size:9px;text-transform:uppercase;letter-spacing:.08em}.classification-result{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;min-height:76px;padding:11px;border-radius:9px;background:var(--surface-subtle)}.classification-result>svg:first-child{color:var(--accent-ink)}.classification-result>svg:last-child{color:var(--success)}.classification-result strong{display:block;margin-bottom:5px;font-size:12px}.classification-result span{color:var(--text-faint);font-size:9px}.ocr-page-preview{position:relative;height:82px;display:grid;align-content:center;gap:6px;overflow:hidden;padding:13px 16px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.ocr-page-preview>span{width:var(--line);height:3px;border-radius:3px;background:var(--border-strong)}.ocr-page-preview>i{position:absolute;z-index:1;left:0;right:0;top:var(--scan);height:2px;background:var(--accent);box-shadow:0 0 10px var(--accent);transition:top .26s ease}.ocr-live-meta{display:flex;justify-content:space-between;gap:10px;margin-top:8px;color:var(--text-faint);font-size:9px}.ocr-live-meta strong{color:var(--text-soft);font-weight:550}.summary-subject{font-size:16px!important}.ocr-result-strip{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:var(--surface-raised)}.ocr-result-strip>div{display:flex;align-items:center;gap:10px}.ocr-result-strip svg{color:var(--accent-ink)}.ocr-result-strip strong,.ocr-result-strip small{display:block}.ocr-result-strip strong{margin-bottom:3px;font-size:11px}.ocr-result-strip small{color:var(--text-faint);font-size:9px}.correction-page .page-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.correction-actions{display:flex;gap:8px;flex:0 0 auto}.issue-banner{justify-content:space-between;gap:16px;margin-bottom:12px;padding:10px 13px;border:1px solid var(--warning-border);border-radius:10px;background:var(--warning-soft)}.issue-copy{display:flex;align-items:center;gap:9px;color:var(--text-soft);font-size:11px}.issue-copy svg{color:var(--warning)}.issue-nav{display:flex;align-items:center;gap:5px}.issue-nav button{width:28px;height:28px;display:grid;place-items:center;padding:0;border:1px solid var(--warning-border);border-radius:7px;background:color-mix(in srgb,var(--surface) 45%,transparent);cursor:pointer}.issue-nav svg{width:13px;height:13px}.correction-shell{min-height:670px;display:grid;grid-template-columns:minmax(330px,.82fr) minmax(430px,1.18fr);overflow:hidden}.source-pane{display:flex;flex-direction:column;min-width:0;border-right:1px solid var(--border);background:#d8d7d2}[data-theme=dark] .source-pane{background:#171816}.pane-toolbar,.editor-toolbar{min-height:48px;padding:7px 10px;border-bottom:1px solid var(--border);background:var(--surface)}.pane-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px}.tool-group{display:flex;align-items:center;gap:4px}.tool-group span{color:var(--text-faint);font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.tool-button{width:30px;height:30px;display:grid;place-items:center;padding:0;border:1px solid transparent;border-radius:7px;background:transparent;cursor:pointer;color:var(--text-soft)}.tool-button:hover,.tool-button.is-active{color:var(--text);border-color:var(--border);background:var(--surface-subtle)}.tool-button svg{width:14px;height:14px}.pdf-canvas{flex:1;overflow:auto;padding:30px}.mock-pdf-page{width:min(100%,560px);min-height:720px;margin:0 auto;padding:48px 45px;color:#252521;background:#fff;box-shadow:0 8px 22px #16151329;font-family:Georgia,Times New Roman,serif}.mock-pdf-page .pdf-head{padding-bottom:17px;border-bottom:1px solid #242424;font:600 12px/1.4 Arial,sans-serif;text-align:center}.mock-pdf-page .passage-label{margin:23px 0 10px;font:700 10px/1.4 Arial,sans-serif}.mock-pdf-page p{margin:0 0 13px;font-size:11px;line-height:1.72;text-align:justify}.pdf-highlight{margin:18px -12px 0;padding:12px;border:2px solid #e09b4d;background:#fff9ea}.pdf-highlight strong{display:block;margin-bottom:8px;font-size:11px}.pdf-option{display:block;margin:5px 0;font-size:10px}.editor-pane{min-width:0;display:flex;flex-direction:column;background:var(--surface-raised)}.editor-toolbar{justify-content:space-between}.question-jump{display:flex;align-items:center;gap:8px}.question-jump span{color:var(--text-faint);font-size:10px}.confidence{display:flex;align-items:center;gap:6px;padding:4px 8px;border-radius:6px;color:var(--warning);background:var(--warning-soft);font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.editor-content{overflow:auto;padding:22px}.editor-section{padding-bottom:22px;border-bottom:1px solid var(--border);margin-bottom:22px}.editor-section-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.editor-section-head span{color:var(--text-faint);font-size:10px}.options-editor{display:grid;gap:8px;margin-top:10px}.option-field{display:grid;grid-template-columns:34px minmax(0,1fr) 30px;gap:7px;align-items:center}.option-letter{width:34px;height:38px;display:grid;place-items:center;border:1px solid var(--border);border-radius:8px;color:var(--text-soft);background:var(--surface);font:600 11px ui-monospace,SFMono-Regular,Menlo,monospace}.option-field input{min-width:0;height:38px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;color:var(--text);background:var(--surface)}.option-field.is-warning input{border-color:var(--warning);background:var(--warning-soft)}.option-field button{width:30px;height:30px;display:grid;place-items:center;padding:0;border:0;background:transparent;color:var(--text-faint);cursor:pointer}.answer-picker{display:flex;gap:8px;margin-top:8px}.answer-picker button{width:39px;height:39px;border:1px solid var(--border);border-radius:9px;color:var(--text-soft);background:var(--surface);cursor:pointer;font:600 11px ui-monospace,SFMono-Regular,Menlo,monospace}.answer-picker button.is-selected{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg)}.correction-footer{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding:9px 14px;border-top:1px solid var(--border);background:var(--surface)}.save-note{display:flex;align-items:center;gap:6px;color:var(--text-faint);font-size:10px}.save-note svg{color:var(--success)}.papers-toolbar,.records-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:18px}.filter-tabs{gap:4px;padding:4px;border-radius:10px;background:var(--surface-subtle)}.filter-button{gap:6px;min-height:32px;padding:6px 10px;border:0;border-radius:7px;color:var(--text-soft);background:transparent;cursor:pointer;font-size:11px}.filter-button.is-active{color:var(--text);background:var(--surface);box-shadow:var(--shadow-sm)}.search-wrap{position:relative;width:min(280px,100%)}.search-wrap svg{position:absolute;left:10px;top:50%;width:14px;height:14px;color:var(--text-faint);transform:translateY(-50%)}.search-field{min-height:38px;padding-left:32px;font-size:11px}.exam-session-section{margin-bottom:28px}.records-section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:12px}.records-section-heading span{display:block;margin-bottom:4px;color:var(--text-faint);font-size:9px;font-weight:600}.records-section-heading h2{font-size:17px}.records-section-heading>strong{color:var(--text-soft);font-size:11px;font-weight:550}.exam-session-list{display:grid;gap:8px}.exam-session-row{display:grid;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:14px;min-height:82px;padding:13px 14px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.exam-session-row.is-terminated{background:var(--surface-raised)}.exam-session-status{width:40px;height:40px;display:grid;place-items:center;border-radius:8px;color:var(--warning);background:var(--warning-soft)}.exam-session-status.terminated{color:var(--text-faint);background:var(--surface-subtle)}.exam-session-status svg{width:18px;height:18px}.exam-session-copy{min-width:0}.exam-session-title-line{display:flex;align-items:center;gap:8px;min-width:0}.exam-session-title-line>strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.exam-session-copy p{margin:5px 0 3px;color:var(--text-soft);font-size:10px}.exam-session-copy>span{color:var(--text-faint);font-size:9px}.exam-session-actions{display:flex;align-items:center;gap:7px}.exam-delete-button{color:var(--danger)}.exam-delete-button:hover{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 28%,var(--border));background:var(--danger-soft)}.exam-session-empty{margin:0;padding:22px;border:1px dashed var(--border);border-radius:8px;text-align:center}.completed-records-section{margin-bottom:24px}.modal-icon.danger{color:var(--danger);background:var(--danger-soft)}.exam-action-modal .exam-action-paper{display:block;overflow-wrap:anywhere;margin:-8px 0 20px;padding:9px 10px;border-radius:7px;background:var(--surface-subtle);font-size:11px}.paper-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.library-hero{position:relative;min-height:190px;display:flex;align-items:center;justify-content:space-between;gap:32px;overflow:hidden;margin-bottom:18px;padding:30px 34px;border:1px solid var(--accent-border);border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--accent-soft),var(--surface) 62%);box-shadow:var(--shadow-sm)}.library-hero>div:first-child{position:relative;z-index:1;max-width:650px}.library-hero h1{margin-bottom:10px}.library-hero p:last-child{max-width:600px;color:var(--text-soft);font-size:14px;line-height:1.7}.library-hero-mark{width:132px;height:132px;flex:0 0 auto;display:grid;place-items:center;align-content:center;gap:10px;border:1px solid var(--accent-border);border-radius:50%;color:var(--site-action-text);background:var(--site-action-bg);box-shadow:0 0 0 18px color-mix(in srgb,var(--accent-soft) 70%,transparent),0 0 0 36px color-mix(in srgb,var(--accent-soft) 35%,transparent)}.library-hero-mark span{font-size:10px;font-weight:600;letter-spacing:.08em}.library-toolbar{display:flex;align-items:flex-end;flex-wrap:wrap;gap:14px;margin-bottom:22px;padding:14px;border:1px solid var(--border);border-radius:13px;background:var(--surface)}.library-filter-group{display:grid;gap:7px}.library-filter-group>span{color:var(--text-faint);font-size:10px}.library-toolbar .search-wrap{margin-left:auto}.library-result-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:14px}.library-result-heading h2{margin-bottom:4px}.library-result-heading p{color:var(--text-faint);font-size:11px}.library-result-heading>span{display:flex;align-items:center;gap:6px;color:var(--text-faint);font-size:10px}.library-result-heading>span svg{color:var(--success)}.public-paper-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.public-paper-card{overflow:hidden;border:1px solid var(--border);border-radius:15px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .16s ease,box-shadow .16s ease}.public-paper-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.public-paper-preview{position:relative;height:154px;display:grid;place-items:center;overflow:hidden;border-bottom:1px solid var(--border);background:linear-gradient(145deg,var(--surface-subtle),var(--accent-soft))}.public-paper-preview.mock{background:linear-gradient(145deg,var(--surface-subtle),color-mix(in srgb,var(--accent-soft) 72%,var(--surface)))}.public-paper-preview:after{content:"";position:absolute;width:150px;height:150px;right:-65px;bottom:-95px;border:1px solid var(--accent-border);border-radius:50%}.public-paper-preview .paper-cover{width:76px;height:104px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;padding:8px;text-align:center;transform:rotate(-2deg);box-shadow:6px 8px color-mix(in srgb,var(--border) 55%,transparent)}.public-paper-preview .paper-cover:before{height:7px}.public-paper-preview .paper-cover i{color:var(--text);font-size:10px;font-style:normal;font-weight:600}.public-paper-preview .paper-cover b{color:var(--text-faint);font-size:8px;font-weight:500}.public-paper-year{position:absolute;left:15px;top:13px;color:var(--text-faint);font-family:var(--mono);font-size:11px;letter-spacing:.08em}.public-type-badge{position:absolute;right:12px;top:12px;display:flex;align-items:center;gap:5px;padding:5px 7px;border:1px solid var(--accent-border);border-radius:7px;color:var(--text-soft);background:color-mix(in srgb,var(--surface) 88%,transparent);font-size:9px}.public-paper-body{padding:16px}.public-paper-source{color:var(--text-faint);font-size:9px}.public-paper-body h3{min-height:42px;margin:8px 0 10px;font-size:13px;line-height:1.55}.public-paper-body .paper-submeta{min-height:36px}.public-paper-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;padding-top:13px;border-top:1px solid var(--border)}.public-paper-footer>span{display:flex;align-items:center;gap:5px;color:var(--text-faint);font-size:9px}.public-paper-actions{display:flex;align-items:center;gap:6px}.public-cover:after{background:var(--accent)}.paper-card{overflow:hidden;border:1px solid var(--border);border-radius:14px;background:var(--surface);box-shadow:var(--shadow-sm)}.paper-card-preview{height:122px;display:grid;place-items:center;background:var(--surface-subtle);border-bottom:1px solid var(--border)}.paper-card-preview .paper-cover{width:67px;height:84px;transform:rotate(-2deg);box-shadow:5px 7px color-mix(in srgb,var(--border) 55%,transparent)}.paper-card-body{padding:16px}.paper-card-body h3{margin:10px 0 7px}.paper-card-body .paper-submeta{min-height:32px;margin-bottom:13px}.paper-card-actions{display:grid;grid-template-columns:1fr auto;gap:7px}.paper-card-actions .paper-ready-actions{min-width:0}.exam-setup{max-width:920px;margin:0 auto}.exam-setup-card{overflow:hidden}.exam-setup-head{display:grid;grid-template-columns:160px minmax(0,1fr);gap:26px;padding:26px;border-bottom:1px solid var(--border)}.exam-cover-large{position:relative;min-height:204px;display:grid;place-items:center;border:1px solid var(--border);border-radius:12px;color:var(--text-soft);background:var(--surface-subtle)}.exam-cover-large .paper-cover{width:90px;height:116px;transform:rotate(-3deg);box-shadow:7px 9px 0 var(--border)}.exam-detail h1{margin:8px 0 10px;font-size:27px}.exam-detail>p{margin:0 0 18px;color:var(--text-soft);font-size:12px}.detail-chips{display:flex;flex-wrap:wrap;gap:7px}.detail-chips span{display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border-radius:7px;color:var(--text-soft);background:var(--surface-subtle);font-size:10px}.detail-chips svg{width:12px;height:12px}.mode-select{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:24px 26px}.mode-option{position:relative;padding:17px;border:1px solid var(--border);border-radius:12px;background:var(--surface-raised);cursor:pointer}.mode-option.is-selected{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.mode-option input{position:absolute;opacity:0}.mode-option-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:7px}.mode-icon{width:31px;height:31px;display:grid;place-items:center;border-radius:8px;color:var(--accent-ink);background:var(--accent-soft)}.mode-icon svg{width:15px;height:15px}.mode-check{width:18px;height:18px;display:grid;place-items:center;border:1px solid var(--border-strong);border-radius:50%}.mode-option.is-selected .mode-check{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg)}.mode-option p{margin:4px 0 0;color:var(--text-soft);font-size:10px;line-height:1.6}.setup-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:0 26px 24px}.setting-box{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 14px;border-radius:10px;background:var(--surface-subtle)}.setting-box span{display:block;color:var(--text-soft);font-size:10px}.setting-box strong{display:block;margin-top:4px;font-size:12px}.duration-control{display:flex;align-items:center;gap:7px}.duration-control button{width:28px;height:28px;display:grid;place-items:center;padding:0;border:1px solid var(--border);border-radius:7px;background:var(--surface);cursor:pointer}.duration-control span{min-width:54px;color:var(--text);font:11px ui-monospace,SFMono-Regular,Menlo,monospace;text-align:center}.setup-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 26px;border-top:1px solid var(--border);background:var(--surface-raised)}.setup-footer p{margin:0;color:var(--text-faint);font-size:10px;line-height:1.5}body.exam-mode{overflow:hidden}body.exam-mode .app-shell{display:block}body.exam-mode .sidebar,body.exam-mode .topbar,body.exam-mode .mobile-nav{display:none}body.exam-mode .view-container{max-width:none;height:100vh;padding:0}.exam-room{height:100vh;display:flex;flex-direction:column;background:var(--bg)}.exam-topbar{justify-content:space-between;gap:16px;min-height:64px;padding:10px 18px;border-bottom:1px solid var(--border);background:var(--surface)}.exam-title{min-width:0;display:flex;align-items:center;gap:12px}.exam-title .brand-mark{width:36px;height:29px}.exam-title-copy{min-width:0}.exam-title-copy strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.exam-title-copy span{color:var(--text-faint);font-size:9px}.exam-status{gap:15px}.exam-timer{display:flex;align-items:center;gap:7px;padding:7px 11px;border-radius:8px;background:var(--surface-subtle);font:600 12px ui-monospace,SFMono-Regular,Menlo,monospace}.exam-timer svg{width:14px;height:14px;color:var(--text-soft)}.exam-save{display:flex;align-items:center;gap:5px;color:var(--text-faint);font-size:10px}.exam-save svg{color:var(--success)}.exam-body{min-height:0;flex:1;display:grid;grid-template-columns:minmax(340px,.8fr) minmax(460px,1.05fr) 236px}.passage-pane,.question-pane,.answer-pane{min-width:0;overflow:auto}.passage-pane{padding:34px 38px;border-right:1px solid var(--border);background:var(--surface-raised)}.passage-kicker,.question-kicker{margin:0 0 13px;color:var(--text-faint);font:600 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;text-transform:uppercase}.passage-pane h2{margin-bottom:20px;font-family:Georgia,Times New Roman,serif;font-size:20px}.passage-pane p:not(.passage-kicker){margin:0 0 17px;font-family:Georgia,Times New Roman,serif;font-size:14px;line-height:1.85}.question-pane{display:flex;flex-direction:column;padding:34px 40px 22px;background:var(--surface)}.question-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.mark-button{display:inline-flex;align-items:center;gap:6px;padding:7px 9px;border:1px solid var(--border);border-radius:8px;color:var(--text-soft);background:var(--surface-raised);cursor:pointer;font-size:10px}.mark-button.is-marked{color:var(--warning);background:var(--warning-soft);border-color:var(--warning-border)}.question-text{margin:5px 0 25px;font-family:Georgia,Times New Roman,serif;font-size:17px;line-height:1.7}.options{display:grid;gap:10px}.option{align-items:flex-start;gap:12px;width:100%;min-height:54px;padding:13px;border:1px solid var(--border);border-radius:10px;color:var(--text);background:var(--surface-raised);cursor:pointer;text-align:left;line-height:1.55}.option:hover{border-color:var(--border-strong);background:var(--surface-subtle)}.option.is-selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent)}.option-letter-exam{width:26px;height:26px;display:grid;place-items:center;flex:0 0 auto;border:1px solid var(--border-strong);border-radius:7px;color:var(--text-soft);background:var(--surface);font:600 10px ui-monospace,SFMono-Regular,Menlo,monospace}.option.is-selected .option-letter-exam{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg)}.exam-controls{justify-content:space-between;gap:10px;margin-top:auto;padding-top:30px}.question-progress{color:var(--text-faint);font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.answer-pane{padding:24px 18px;border-left:1px solid var(--border);background:var(--surface-raised)}.answer-pane h3{display:flex;justify-content:space-between;margin-bottom:14px}.answer-pane h3 span{color:var(--text-faint);font-size:9px;font-weight:400}.answer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.answer-cell{aspect-ratio:1;display:grid;place-items:center;padding:0;border:1px solid var(--border);border-radius:7px;color:var(--text-soft);background:var(--surface);cursor:pointer;font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.answer-cell.is-current{border-color:var(--text);box-shadow:0 0 0 1px var(--text)}.answer-cell.is-answered{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg)}.answer-cell.is-marked{position:relative}.answer-cell.is-marked:after{content:"";position:absolute;top:-2px;right:-2px;width:7px;height:7px;border:2px solid var(--surface-raised);border-radius:50%;background:var(--warning)}.answer-legend{display:grid;gap:9px;margin-top:18px;padding-top:16px;border-top:1px solid var(--border);color:var(--text-faint);font-size:9px}.answer-legend span{display:flex;align-items:center;gap:7px}.legend-dot{width:9px;height:9px;border:1px solid var(--border-strong);border-radius:3px;background:var(--surface)}.legend-dot.answered{border-color:var(--accent);background:var(--accent)}.legend-dot.marked{border:0;border-radius:50%;background:var(--warning)}.result-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:16px;margin-bottom:18px}.result-hero,.result-panel{padding:24px}.result-hero{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.result-badge{padding:5px 9px;border-radius:99px;color:var(--accent);background:var(--accent-soft);font-size:10px;font-weight:550}.score-ring{--score: 76%;position:relative;width:150px;height:150px;display:grid;place-items:center;margin:23px 0 18px;border-radius:50%;background:conic-gradient(var(--accent) var(--score),var(--surface-subtle) 0)}.score-ring:before{content:"";position:absolute;inset:11px;border-radius:50%;background:var(--surface)}.result-score{position:relative;align-items:baseline}.result-score strong{font-size:48px;line-height:1;letter-spacing:-.06em}.result-score span{color:var(--text-faint);font-size:13px}.result-hero h2{margin-bottom:7px}.result-hero>p{margin:0;color:var(--text-soft);font-size:11px}.result-stats{width:100%;display:grid;grid-template-columns:repeat(3,1fr);margin-top:23px;padding-top:18px;border-top:1px solid var(--border)}.result-stats span{display:grid;gap:5px;color:var(--text-faint);font-size:9px}.result-stats strong{color:var(--text);font-size:13px}.result-panel h2{margin-bottom:20px}.result-actions{flex-wrap:wrap;gap:10px;margin-top:20px}.module-bars{display:grid;gap:18px}.module-row{display:grid;gap:8px}.module-label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px}.module-label span{color:var(--text-soft)}.module-label strong{font:600 11px ui-monospace,SFMono-Regular,Menlo,monospace}.module-track{height:8px;overflow:hidden;border-radius:99px;background:var(--surface-subtle)}.module-track span{display:block;width:var(--width);height:100%;border-radius:inherit;background:var(--accent)}.result-note{display:flex;gap:10px;margin-top:23px;padding:12px 13px;border-radius:10px;color:var(--text-soft);background:var(--surface-subtle);font-size:10px;line-height:1.6}.result-note svg{flex:0 0 auto;color:var(--accent-ink)}.mistake-list{display:grid;gap:10px}.mistake-row{align-items:flex-start;gap:14px;padding:16px}.mistake-number{width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;border-radius:9px;color:var(--danger);background:var(--danger-soft);font:600 11px ui-monospace,SFMono-Regular,Menlo,monospace}.mistake-content{min-width:0;flex:1}.mistake-content h3{overflow:hidden;margin-bottom:7px;text-overflow:ellipsis;white-space:nowrap}.mistake-answer{display:flex;flex-wrap:wrap;gap:7px 14px;color:var(--text-faint);font-size:10px}.mistake-answer .wrong{color:var(--danger)}.mistake-answer .right{color:var(--success)}.table-panel{overflow:auto;border:1px solid var(--border);border-radius:14px;background:var(--surface)}.data-table{width:100%;min-width:720px;border-collapse:collapse}.data-table th,.data-table td{padding:13px 15px;border-bottom:1px solid var(--border);font-size:11px;text-align:left}.data-table th{color:var(--text-faint);background:var(--surface-raised);font-size:9px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.data-table td{color:var(--text-soft)}.data-table tr:last-child td{border-bottom:0}.data-table td strong{color:var(--text);font-weight:550}.data-table .score-cell{color:var(--text);font:600 12px ui-monospace,SFMono-Regular,Menlo,monospace}.data-table button{padding:4px 0;border:0;background:transparent;color:var(--accent);cursor:pointer;font-size:10px}.mistake-filter-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:18px}.settings-panel{max-width:800px;overflow:hidden}.settings-section{padding:20px 22px;border-bottom:1px solid var(--border)}.settings-section:last-child{border-bottom:0}.settings-section h2{margin-bottom:5px}.settings-section>p{margin:0 0 16px;color:var(--text-soft);font-size:11px}.settings-row{justify-content:space-between;gap:18px;padding:12px 0;border-top:1px solid var(--border)}.settings-row:first-of-type{border-top:0}.settings-row strong{display:block;font-size:12px}.settings-row p{margin:3px 0 0;color:var(--text-faint);font-size:10px}.settings-row-content{min-width:0;flex:1}.display-name-form{width:min(100%,560px);display:grid;grid-template-columns:minmax(180px,1fr) auto;align-items:center;gap:8px;margin-top:9px}.display-name-form input{width:100%;height:36px;padding:0 11px;border:1px solid var(--border-strong);border-radius:6px;color:var(--text);background:var(--surface);font:inherit}.display-name-form input:focus{outline:2px solid color-mix(in srgb,var(--accent) 32%,transparent);border-color:var(--accent)}.display-name-actions{display:flex;align-items:center;gap:7px}.display-name-form .inline-error{grid-column:1 / -1;margin:0}.switch{position:relative;width:40px;height:23px;flex:0 0 auto}.switch input{position:absolute;opacity:0}.switch span{position:absolute;inset:0;border-radius:99px;background:var(--border-strong);cursor:pointer}.switch span:after{content:"";position:absolute;width:17px;height:17px;left:3px;top:3px;border-radius:50%;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .16s ease}.switch input:checked+span{background:var(--accent)}.switch input:checked+span:after{transform:translate(17px)}.login-view{min-height:calc(100vh - 160px);display:grid;place-items:center}.login-card{width:min(430px,100%);padding:34px}.login-brand{gap:10px;margin-bottom:28px}.login-card h1{margin-bottom:8px;font-size:26px}.login-card>p{margin:0 0 26px;color:var(--text-soft);font-size:12px;line-height:1.6}.phone-input{display:grid;grid-template-columns:82px minmax(0,1fr)}.phone-input span{display:grid;place-items:center;border:1px solid var(--border);border-right:0;border-radius:8px 0 0 8px;color:var(--text-soft);background:var(--surface-subtle);font-size:12px}.phone-input input{border-radius:0 8px 8px 0}.code-input{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.agreement{display:flex;align-items:flex-start;gap:8px;margin:17px 0;color:var(--text-faint);font-size:10px;line-height:1.55}.agreement input{margin-top:2px;accent-color:var(--accent)}.agreement a{color:var(--text-soft)}.login-card .button.primary{width:100%}.login-security{display:flex;justify-content:center;gap:6px;margin-top:18px;color:var(--text-faint);font-size:9px}.achievement-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.achievement-week{display:flex;align-items:center;gap:10px;padding:11px 14px;border:1px solid var(--accent-border);border-radius:11px;background:var(--accent-soft)}.achievement-week svg{color:var(--accent-ink);fill:var(--accent)}.achievement-week span{color:var(--text-faint);font-size:9px}.achievement-week strong{display:block;margin-top:2px;color:var(--text);font-size:12px}.achievement-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:16px}.mastery-legend{display:flex;align-items:center;gap:7px;color:var(--text-faint);font-size:9px}.mastery-stars{display:inline-flex;gap:2px;color:var(--border-strong)}.mastery-stars i{font-style:normal;font-size:15px;line-height:1}.mastery-stars i.is-earned{color:var(--accent);text-shadow:0 1px 0 color-mix(in srgb,var(--accent-ink) 30%,transparent)}.mastery-stars.compact i{font-size:9px}.achievement-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:16px}.knowledge-canvas,.knowledge-detail{border:1px solid var(--border);border-radius:15px;background:var(--surface);box-shadow:var(--shadow-sm)}.knowledge-canvas{overflow:hidden}.knowledge-canvas-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid var(--border)}.knowledge-canvas-head p{margin-top:4px;color:var(--text-faint);font-size:9px}.knowledge-overall{text-align:right}.knowledge-overall strong{display:block;font-size:21px}.knowledge-overall span{color:var(--text-faint);font-size:9px}.knowledge-tree-stage{position:relative;height:540px;overflow:hidden;background-image:radial-gradient(circle at 50% 45%,color-mix(in srgb,var(--accent-soft) 60%,transparent),transparent 44%)}.knowledge-lines{position:absolute;inset:0;width:100%;height:100%}.knowledge-lines line{stroke:var(--border-strong);stroke-width:1.2}.knowledge-node{position:absolute;z-index:1;left:var(--x);top:var(--y);width:112px;min-height:77px;display:grid;place-items:center;gap:5px;padding:9px;border:1px solid var(--border);border-radius:13px;color:var(--text);background:var(--surface);box-shadow:var(--shadow-sm);cursor:pointer;transform:translate(-50%,-50%);transition:transform .16s ease,border .16s ease,box-shadow .16s ease}.knowledge-node:hover{transform:translate(-50%,-50%) translateY(-2px);box-shadow:var(--shadow-md)}.knowledge-node.is-selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft),var(--shadow-md)}.knowledge-node.is-locked{opacity:.62}.knowledge-node-icon{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;color:var(--accent-ink);background:var(--accent-soft)}.knowledge-node.is-selected .knowledge-node-icon{color:var(--site-action-text);background:var(--site-action-bg)}.knowledge-node strong{font-size:10px;font-weight:600}.knowledge-progress-rail{height:5px;background:var(--surface-subtle)}.knowledge-progress-rail span{display:block;width:var(--width);height:100%;background:var(--accent)}.knowledge-detail{align-self:start;padding:20px}.knowledge-detail-label{color:var(--text-faint);font-size:9px;text-transform:uppercase;letter-spacing:.1em}.knowledge-detail h2{margin:8px 0;font-size:20px}.knowledge-detail>p{margin:16px 0;color:var(--text-soft);font-size:10px;line-height:1.7}.knowledge-detail-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.knowledge-detail-stats div{padding:10px 6px;border-radius:8px;background:var(--surface-subtle);text-align:center}.knowledge-detail-stats span,.knowledge-detail-stats strong{display:block}.knowledge-detail-stats span{margin-bottom:5px;color:var(--text-faint);font-size:8px}.knowledge-detail-stats strong{font-size:12px}.trend-up{color:var(--success)}.knowledge-next{margin:14px 0;padding:12px;border-left:3px solid var(--accent);border-radius:0 8px 8px 0;background:var(--accent-soft)}.knowledge-next span,.knowledge-next strong{display:block}.knowledge-next span{margin-bottom:5px;color:var(--text-faint);font-size:8px}.knowledge-next strong{font-size:10px}.knowledge-detail-actions{display:grid;gap:8px}.leaderboard-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:18px}.leaderboard-heading h1{margin:10px 0 7px}.leaderboard-heading p{color:var(--text-soft);font-size:11px}.back-link{display:flex;align-items:center;gap:4px;padding:0;border:0;color:var(--text-faint);background:transparent;cursor:pointer;font-size:9px}.my-rank-strip{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:18px;margin-bottom:16px;padding:18px 22px;border:1px solid var(--accent-border);border-radius:14px;background:linear-gradient(100deg,var(--accent-soft),var(--surface) 68%)}.rank-medal{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;color:var(--site-action-text);background:var(--site-action-bg)}.my-rank-strip>div:nth-child(2)>span,.rank-score>span,.rank-total>span{display:block;color:var(--text-faint);font-size:9px}.my-rank-strip>div:nth-child(2)>strong{display:block;margin:3px 0;font-size:23px}.my-rank-strip p{color:var(--text-soft);font-size:9px}.rank-score,.rank-total{min-width:110px;padding-left:18px;border-left:1px solid var(--border)}.rank-score strong,.rank-total strong{font-size:22px}.rank-score small,.rank-total small{margin-left:3px;color:var(--text-faint);font-size:8px}.leaderboard-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}.leaderboard-controls>span{display:flex;align-items:center;gap:5px;color:var(--text-faint);font-size:9px}.podium{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:15px}.podium-item{position:relative;min-height:126px;display:grid;place-items:center;align-content:center;gap:6px;overflow:hidden;padding:15px;border:1px solid var(--border);border-radius:13px;background:var(--surface);text-align:center}.podium-item.place-1{border-color:var(--accent-border);background:var(--accent-soft)}.podium-rank{position:absolute;left:12px;top:10px;color:var(--text-faint);font:600 12px var(--mono)}.podium-avatar,.table-avatar{display:inline-grid;place-items:center;border-radius:50%;color:var(--text);background:var(--surface-subtle)}.podium-avatar{width:38px;height:38px}.podium-item.place-1 .podium-avatar{background:var(--site-action-bg);color:var(--site-action-text)}.podium-item strong{font-size:11px}.podium-item>span:last-child{color:var(--text-faint);font-size:9px}.leaderboard-table-wrap,.quota-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:13px;background:var(--surface)}.leaderboard-table,.quota-table-wrap table{width:100%;border-collapse:collapse}.leaderboard-table th,.leaderboard-table td,.quota-table-wrap th,.quota-table-wrap td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;font-size:10px}.leaderboard-table thead th,.quota-table-wrap thead th{color:var(--text-faint);background:var(--surface-subtle);font-size:9px;font-weight:550}.leaderboard-table tr:last-child td,.quota-table-wrap tr:last-child td,.quota-table-wrap tr:last-child th{border-bottom:0}.leaderboard-table tr.is-me td{background:var(--accent-soft)}.leaderboard-user{display:flex;align-items:center;gap:8px}.table-avatar{width:25px;height:25px;flex:0 0 auto;font-size:8px}.leaderboard-score{font-size:14px!important;font-weight:650}.ranking-rule,.membership-note{display:flex;gap:8px;margin-top:12px;padding:11px 13px;border-radius:9px;color:var(--text-faint);background:var(--surface-subtle);font-size:9px;line-height:1.6}.ranking-rule svg,.membership-note svg{flex:0 0 auto;color:var(--accent-ink)}.membership-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:22px}.membership-header>div:first-child{max-width:630px}.membership-header p:last-child{margin-top:9px;color:var(--text-soft);font-size:11px;line-height:1.7}.billing-toggle{display:flex;gap:4px;padding:4px;border-radius:10px;background:var(--surface-subtle)}.billing-toggle button{min-height:34px;padding:7px 11px;border:0;border-radius:7px;color:var(--text-soft);background:transparent;cursor:pointer;font-size:10px}.billing-toggle button.is-active{color:var(--text);background:var(--surface);box-shadow:var(--shadow-sm)}.billing-toggle span{color:var(--success);font-size:8px}.current-usage-panel{display:grid;grid-template-columns:.72fr 1.28fr;gap:24px;margin-bottom:18px;padding:18px 20px;border:1px solid var(--accent-border);border-radius:14px;background:var(--accent-soft)}.current-plan-summary{display:grid;align-content:center;gap:4px}.current-plan-summary>span{color:var(--accent-ink);font-size:9px}.current-plan-summary>strong{font-size:20px}.current-plan-summary>small{max-width:310px;color:var(--text-soft);font-size:9px;line-height:1.55}.current-usage-items{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding-left:22px;border-left:1px solid var(--accent-border)}.current-usage-items>div{display:grid;align-content:center;gap:6px}.current-usage-items span{color:var(--text-soft);font-size:9px}.current-usage-items strong{font-size:12px}.current-usage-items small{color:var(--text-faint);font-size:8px}.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:stretch}.pricing-plan{position:relative;padding:22px;border:1px solid var(--border);border-radius:15px;background:var(--surface);box-shadow:var(--shadow-sm)}.pricing-plan.is-recommended{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft),var(--shadow-md)}.pricing-plan.is-current{background:var(--surface-raised)}.recommend-label{position:absolute;right:16px;top:16px;padding:5px 7px;border-radius:6px;color:var(--site-action-text);background:var(--site-action-bg);font-size:8px;font-weight:650}.plan-use-case{display:inline-block;margin-bottom:8px;color:var(--accent-ink);font-size:8px;font-weight:650}.plan-head h2{font-size:19px}.plan-head p{min-height:34px;margin-top:6px;color:var(--text-soft);font-size:10px;line-height:1.6}.plan-price{display:flex;align-items:baseline;gap:5px;margin-top:20px}.plan-price strong{font-size:31px;letter-spacing:-.05em}.plan-price span{color:var(--text-faint);font-size:9px}.annual-bill{display:block;min-height:17px;margin:4px 0 13px;color:var(--text-faint);font-size:8px}.pricing-plan>.button{width:100%}.pricing-plan>.button:disabled{cursor:default;opacity:.62}.pricing-plan ul{display:grid;gap:10px;margin:18px 0 0;padding:16px 0 0;border-top:1px solid var(--border);list-style:none}.pricing-plan li{display:flex;align-items:flex-start;gap:7px;color:var(--text-soft);font-size:10px;line-height:1.45}.pricing-plan li svg{flex:0 0 auto;color:var(--success)}.quota-comparison{margin-top:20px}.quota-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:11px}.quota-heading p{margin-top:4px;color:var(--text-faint);font-size:9px}.quota-heading>span{display:flex;align-items:center;gap:5px;color:var(--text-faint);font-size:9px}.quota-heading>span svg{color:var(--success)}.quota-table-wrap th:not(:first-child),.quota-table-wrap td{text-align:center}.quota-table-wrap tbody th{font-weight:550}.quota-pack-section{margin-top:24px}.quota-pack-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:12px}.quota-pack-heading h2{font-size:17px}.quota-pack-heading p{margin-top:5px;color:var(--text-soft);font-size:9px}.quota-pack-heading>span{display:flex;align-items:center;gap:6px;color:var(--text-faint);font-size:9px}.quota-pack-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.quota-pack{display:grid;align-content:space-between;min-height:138px;padding:15px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.quota-pack.is-combo{border-color:var(--accent);background:var(--surface-raised)}.quota-pack>span{color:var(--text-faint);font-size:8px}.quota-pack>strong{margin:8px 0 16px;font-size:11px;line-height:1.45}.quota-pack>div{display:flex;align-items:center;justify-content:space-between;gap:8px}.quota-pack b{font-size:18px}.modal-backdrop{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:20px;background:#10100e6b;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-backdrop[hidden]{display:none}.modal-card{width:min(390px,100%);padding:26px;border:1px solid var(--border);border-radius:17px;background:var(--surface);box-shadow:var(--shadow-md);text-align:center;animation:modal-in .16s ease-out}@keyframes modal-in{0%{opacity:0;transform:scale(.97) translateY(4px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-icon{width:44px;height:44px;display:grid;place-items:center;margin:0 auto 14px;border-radius:50%;color:var(--accent);background:var(--accent-soft)}.modal-card p{margin:9px 0 22px;color:var(--text-soft);font-size:12px;line-height:1.65}.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.modal-actions>:only-child{grid-column:1 / -1;width:calc(50% - 4px);justify-self:center}.toast-region{position:fixed;z-index:120;right:18px;bottom:18px;display:grid;gap:8px}.toast{gap:9px;min-width:260px;max-width:360px;padding:11px 13px;border:1px solid var(--border);border-radius:10px;color:var(--text);background:var(--surface);box-shadow:var(--shadow-md);font-size:11px;animation:toast-in .2s ease-out}.toast svg{color:var(--success)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.empty-state{padding:50px 20px;color:var(--text-soft);text-align:center}@media(max-width:1120px){.view-container{padding:32px 28px 68px}.paper-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-thumbnails{grid-template-columns:repeat(4,minmax(80px,1fr))}.exam-body{grid-template-columns:minmax(320px,.8fr) minmax(430px,1.2fr)}.answer-pane{display:none}.achievement-layout{grid-template-columns:1fr}.knowledge-detail{display:grid;grid-template-columns:minmax(180px,.8fr) 1.2fr;gap:14px 22px}.knowledge-detail>p{margin:0}.knowledge-detail-stats{align-self:start}.knowledge-next{margin:0}.knowledge-detail-actions{grid-column:1 / -1;grid-template-columns:1fr 1fr}}@media(max-width:900px){.app-shell{display:block}.sidebar{position:fixed;left:0;transform:translate(-102%);width:min(290px,86vw);transition:transform .2s ease;box-shadow:var(--shadow-md)}.sidebar.is-open{transform:translate(0)}.sidebar-close,.mobile-menu{display:inline-grid}.sidebar-scrim{position:fixed;z-index:25;inset:0;background:#14141252}.sidebar.is-open+.sidebar-scrim{display:block}.dashboard-grid{grid-template-columns:1fr}.public-paper-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.continue-card{min-height:230px}.correction-shell{grid-template-columns:1fr}.source-pane{min-height:580px;border-right:0;border-bottom:1px solid var(--border)}.correction-page .page-intro{align-items:flex-start;flex-direction:column}.exam-body{grid-template-columns:1fr}.passage-pane{display:none}.pricing-grid{grid-template-columns:1fr}.pricing-plan{display:grid;grid-template-columns:1fr 180px;column-gap:22px}.pricing-plan ul{grid-column:1 / -1;grid-template-columns:1fr 1fr}.plan-price{margin-top:0}.dashboard-insight-grid{grid-template-columns:1fr}.quota-pack-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){body{padding-bottom:calc(70px + env(safe-area-inset-bottom))}body.exam-mode{padding-bottom:0}.topbar{height:58px;padding:0 14px}.top-user-copy{display:none}.top-user-trigger{padding:2px;border:0;background:transparent}.account-menu{position:fixed;left:16px;right:16px;top:66px;width:auto}.breadcrumb>span:first-child,.breadcrumb>svg,.help-button{display:none}.view-container{padding:26px 16px 42px}.settings-profile-row{align-items:stretch;flex-direction:column}.settings-profile-row>.button{width:100%}.display-name-form{grid-template-columns:1fr}.display-name-actions{display:grid;grid-template-columns:1fr 1fr}.display-name-actions .button{width:100%}.mobile-nav{position:fixed;z-index:22;left:10px;right:10px;bottom:max(9px,env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(5,1fr);padding:6px 5px;border:1px solid var(--border);border-radius:15px;background:color-mix(in srgb,var(--surface) 94%,transparent);box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.mobile-nav button{min-height:45px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:4px;border:0;border-radius:9px;color:var(--text-faint);background:transparent;cursor:pointer}.mobile-nav button.is-active{color:var(--text);background:var(--surface-subtle)}.mobile-nav svg{width:17px;height:17px}.mobile-nav small{font-size:9px}.mobile-nav .mobile-upload{color:#fff;background:var(--text)}.hero-card{min-height:auto;padding:23px 19px}.hero-card>.dashboard-hero-orbit{width:265px;height:180px;right:-96px;top:-48px;opacity:.55}.hero-card>.dashboard-hero-star{right:14px;top:16px}.quick-upload{grid-template-columns:1fr;padding:12px}.quick-upload .button{width:100%}.metrics-grid{grid-template-columns:1fr}.dashboard-insight-grid{margin-top:-8px}.usage-bars{grid-template-columns:1fr}.daily-quota-overview{grid-template-columns:repeat(3,minmax(0,1fr))}.daily-quota-overview-label{grid-column:1 / -1;grid-template-columns:18px auto;justify-content:start}.daily-quota-overview-label span br{display:none}.daily-quota-overview>div:nth-child(2){padding-left:0;border-left:0}.learning-recommendation-card{align-items:stretch;flex-direction:column}.recommendation-actions{display:grid;grid-template-columns:1fr}.paper-row{align-items:flex-start}.paper-row .inline-actions{width:100%;margin-top:8px}.paper-row .inline-actions .button{flex:1}.paper-cover{display:none}.stepper{margin-bottom:25px}.step span:last-child{display:none}.upload-panel,.recognition-panel{padding:16px}.upload-dropzone{min-height:280px}.form-grid{grid-template-columns:1fr}.page-thumbnails{grid-template-columns:repeat(3,minmax(72px,1fr))}.summary-grid,.recognition-stages{grid-template-columns:repeat(2,1fr)}.recognition-live-grid{grid-template-columns:1fr}.ocr-result-strip{align-items:stretch;flex-direction:column}.ocr-result-strip .button{width:100%}.panel-footer{flex-direction:column-reverse}.panel-footer .button{width:100%}.panel-footer-actions,.paper-ready-actions{width:100%;flex-direction:column}.correction-actions{width:100%;flex-wrap:wrap}.correction-actions .button{flex:1 1 calc(50% - 4px)}.correction-actions .button.primary{flex-basis:100%}.issue-banner{align-items:flex-start}.correction-shell{margin-left:-16px;margin-right:-16px;border-radius:0}.source-pane{min-height:480px}.pdf-canvas{padding:16px}.mock-pdf-page{min-height:620px;padding:34px 26px}.editor-content{padding:17px}.paper-grid{grid-template-columns:1fr}.library-hero{min-height:auto;padding:23px 19px}.library-hero-mark{display:none}.library-toolbar{align-items:stretch;flex-direction:column}.library-toolbar .search-wrap{margin-left:0}.library-filter-group .filter-tabs{display:grid;grid-template-columns:repeat(3,1fr)}.library-result-heading{align-items:flex-start;flex-direction:column;gap:8px}.public-paper-grid{grid-template-columns:1fr}.public-paper-preview .paper-cover{display:flex}.public-paper-footer{align-items:flex-start;flex-direction:column}.public-paper-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}.public-paper-actions .button{width:100%}.achievement-intro,.membership-header,.leaderboard-heading{align-items:flex-start;flex-direction:column}.achievement-week,.billing-toggle,.leaderboard-heading>.button{width:100%}.billing-toggle button{flex:1}.achievement-toolbar{align-items:stretch;flex-direction:column}.achievement-toolbar .filter-tabs{display:grid;grid-template-columns:1fr 1fr}.mastery-legend{justify-content:space-between}.knowledge-canvas-head{align-items:flex-start}.knowledge-tree-stage{height:auto;display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:14px;background-image:none}.knowledge-lines{display:none}.knowledge-node{position:static;width:auto;min-height:86px;transform:none}.knowledge-node:hover{transform:translateY(-2px)}.knowledge-detail{display:block}.knowledge-detail>p{margin:16px 0}.knowledge-next{margin:14px 0}.knowledge-detail-actions{display:grid;grid-template-columns:1fr}.my-rank-strip{grid-template-columns:auto 1fr}.rank-score,.rank-total{min-width:0;padding:12px 0 0;border-left:0;border-top:1px solid var(--border)}.leaderboard-controls{align-items:flex-start;flex-direction:column}.podium{grid-template-columns:1fr}.podium-item{min-height:92px}.pricing-plan{display:block}.pricing-plan ul{grid-template-columns:1fr}.plan-price{margin-top:20px}.current-usage-panel{grid-template-columns:1fr}.current-usage-items{grid-template-columns:1fr;padding:15px 0 0;border-top:1px solid var(--accent-border);border-left:0}.quota-heading,.quota-pack-heading{align-items:flex-start;flex-direction:column}.quota-pack-grid{grid-template-columns:1fr}.papers-toolbar,.records-toolbar{align-items:stretch;flex-direction:column}.search-wrap{width:100%}.exam-setup-head{grid-template-columns:1fr;padding:18px}.exam-cover-large{display:none}.mode-select{grid-template-columns:1fr;padding:18px}.setup-settings{grid-template-columns:1fr;padding:0 18px 18px}.setup-footer{align-items:stretch;flex-direction:column;padding:16px 18px}.setup-footer .button{width:100%}.exam-topbar{min-height:58px;padding:8px 10px}.exam-title .brand-mark,.exam-save{display:none}.exam-title-copy strong{max-width:120px}.exam-status{gap:6px}.exam-timer{padding:7px 8px}.exam-status .button{min-height:34px;padding:7px 10px}.question-pane{padding:24px 18px 18px}.question-text{font-size:15px}.option{padding:11px}.exam-controls{position:sticky;bottom:0;margin-left:-18px;margin-right:-18px;padding:13px 18px;border-top:1px solid var(--border);background:var(--surface)}.question-progress{display:none}.result-layout{grid-template-columns:1fr}.result-hero,.result-panel{padding:19px}.result-actions{display:grid;grid-template-columns:1fr}.result-actions .button{width:100%}.mistake-row{flex-wrap:wrap}.mistake-row .button{width:100%}.login-view{min-height:auto}.login-card{padding:24px 19px}.toast-region{left:12px;right:12px;bottom:82px}.toast{min-width:0;width:100%}}.main-shell{background:radial-gradient(circle at 92% 8%,color-mix(in srgb,var(--accent) 13%,transparent) 0 120px,transparent 121px),var(--bg)}.hero-card{background:linear-gradient(135deg,var(--surface) 0 63%,var(--accent-soft) 100%);border-color:color-mix(in srgb,var(--accent-border) 56%,var(--border))}.continue-card{border-top:4px solid var(--accent)}.metric-icon,.mode-icon,.file-icon{color:var(--accent-ink);background:var(--accent-soft)}.quick-upload{border-color:var(--accent-border);box-shadow:0 8px 22px #11182712}.quick-upload-copy svg,.upload-tip svg,.recognition-orb,.recognition-alert svg{color:var(--accent-ink)}.filter-button.is-active{background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent-border)}.paper-card,.exam-setup-card,.upload-panel,.recognition-panel,.correction-shell,.result-hero,.result-panel{box-shadow:0 2px 8px #1118270f}.mobile-nav .mobile-upload{color:var(--site-action-text);background:var(--site-action-bg);box-shadow:inset 0 -2px #7a550024}.exam-room{background:#eef0f3}[data-theme=dark] .exam-room{background:#0d1420}.exam-topbar{min-height:68px;padding:10px 20px;border-bottom:3px solid var(--accent);background:var(--surface);box-shadow:0 2px 8px #11182714}.exam-title-copy span b{display:inline-block;padding:2px 6px;border-radius:5px;color:var(--site-action-text);background:var(--site-action-bg);font-weight:650}.exam-candidate{display:flex;align-items:center;gap:7px;margin-left:auto;padding:7px 11px;border:1px solid var(--border);border-radius:9px;color:var(--text-faint);background:var(--surface-subtle);font-size:9px}.exam-candidate strong{color:var(--text);font-size:10px;font-weight:600}.exam-candidate i{width:1px;height:16px;background:var(--border-strong)}.exam-status{margin-left:2px}.exam-timer{color:#111827;background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent-border)}.exam-timer svg{color:#6e5200}.paper-exam-body{min-height:0;flex:1;display:grid;grid-template-columns:minmax(0,1fr) 302px;overflow:hidden}.exam-paper-stage{min-width:0;overflow:auto;padding:20px 28px 34px;scroll-behavior:smooth}.paper-view-toolbar{position:sticky;top:0;z-index:5;width:min(900px,100%);min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:14px;margin:0 auto 12px;padding:7px 10px;border:1px solid var(--border);border-radius:11px;color:var(--text-soft);background:color-mix(in srgb,var(--surface) 94%,transparent);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);font-size:10px}.paper-view-toolbar>div{display:flex;align-items:center;gap:5px}.paper-view-toolbar button{width:27px;height:27px;display:grid;place-items:center;padding:0;border:1px solid var(--border);border-radius:7px;color:var(--text);background:var(--surface);cursor:pointer}.paper-view-toolbar b{min-width:43px;color:var(--text);font:600 10px ui-monospace,SFMono-Regular,Menlo,monospace;text-align:center}.paper-mode-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 8px;border-radius:7px;color:var(--site-action-text);background:var(--site-action-bg);font-weight:600}.real-exam-paper{width:min(900px,100%);min-height:1180px;margin:0 auto;padding:42px 54px 30px;border:1px solid #d4d6d9;color:#171717;background:#fff;box-shadow:0 15px 40px #11182729;font-family:Georgia,Times New Roman,Songti SC,serif}.paper-security-line{display:flex;justify-content:space-between;gap:20px;padding-bottom:8px;border-bottom:1px solid #1f2937;font:600 9px/1.4 Arial,PingFang SC,sans-serif;letter-spacing:.06em}.real-paper-header{padding:28px 0 20px;text-align:center}.real-paper-header p{margin:0 0 7px;font:600 14px/1.4 Songti SC,SimSun,serif;letter-spacing:.12em}.real-paper-header h1{margin:0 0 8px;color:#111;font:700 34px/1.2 Songti SC,SimSun,serif;letter-spacing:.35em;text-indent:.35em}.real-paper-header span{font:11px/1.4 Arial,sans-serif}.candidate-strip{display:flex;justify-content:center;gap:54px;padding:10px 14px;border-top:1px solid #c8c8c8;border-bottom:1px solid #c8c8c8;font:11px/1.4 Songti SC,serif}.candidate-strip u{min-width:120px;display:inline-block;padding:0 8px 2px;text-decoration:none;border-bottom:1px solid #3f3f3f;font-family:Arial,sans-serif;text-align:center}.paper-notice{margin:20px 0;padding:14px 16px;border:1px solid #b9b9b9;background:#fafafa;font:11px/1.7 Songti SC,serif}.paper-notice strong{display:block;margin-bottom:4px;text-align:center;letter-spacing:.1em}.paper-notice ol{margin:0;padding-left:20px}.paper-section-title{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;margin-top:24px;padding:10px 13px;color:#111827;background:#ffd21e;font-family:Arial,sans-serif}.paper-section-title span,.paper-section-title em{font-size:10px;font-style:normal;letter-spacing:.06em;text-transform:uppercase}.paper-section-title strong{font-size:15px;text-align:center}.paper-part-title{margin:22px 0 15px}.paper-part-title strong{display:block;margin-bottom:6px;font-size:15px;text-align:center}.paper-part-title span{display:block;margin-bottom:4px;font-weight:700}.paper-part-title p{margin:0;font-size:12px;line-height:1.7}.real-paper-passage{padding:5px 2px 2px;font-size:13px;line-height:1.82;text-align:justify}.real-paper-passage .passage-title{margin-bottom:10px;font-size:15px;font-weight:700;text-align:center}.real-paper-passage p{margin:0 0 13px;text-indent:2em}.paper-question-list{display:grid;gap:7px;margin-top:22px}.paper-question{position:relative;padding:14px 12px 14px 46px;border-left:4px solid transparent;transition:background .15s ease,border-color .15s ease;scroll-margin:80px}.paper-question.is-current{border-left-color:#ffd21e;background:#fffbed}.paper-question-head{position:absolute;left:10px;top:13px}.paper-question-number{display:grid;place-items:center;width:27px;height:27px;border:1px solid #242424;border-radius:50%;font:700 11px Arial,sans-serif}.paper-mark-button{position:absolute;top:0;right:0;display:inline-flex;align-items:center;gap:4px;padding:4px 7px;border:1px solid #d1d5db;border-radius:6px;color:#6b7280;background:#fff;cursor:pointer;font:10px Arial,sans-serif}.paper-mark-button.is-marked{color:#9a5300;border-color:#e2ad4c;background:#fff0cf}.paper-question-text{margin:0 80px 10px 0;font-size:13px;line-height:1.65;font-weight:600}.paper-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 12px}.paper-option{min-width:0;display:flex;align-items:flex-start;gap:8px;padding:7px 8px;border:1px solid transparent;border-radius:7px;color:#252525;background:transparent;cursor:pointer;font:11px/1.5 Georgia,Times New Roman,serif;text-align:left}.paper-option:hover{border-color:#d1d5db;background:#f8f8f8}.paper-option.is-selected{border-color:#e6c100;background:#fff3a8;box-shadow:inset 0 0 0 1px #ffd21e}.paper-choice{width:22px;height:22px;display:grid;place-items:center;flex:0 0 auto;border:1px solid #707070;border-radius:50%;font:700 9px Arial,sans-serif}.paper-option.is-selected .paper-choice{color:#111827;border-color:#111827;background:#ffd21e}.real-paper-footer{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;margin-top:34px;padding-top:12px;border-top:1px solid #3f3f3f;color:#555;font:9px Arial,sans-serif}.real-paper-footer strong{color:#111;font-size:11px}.real-paper-footer span:last-child{text-align:right}.paper-pagination{width:min(900px,100%);display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px auto 0}.paper-pagination span{color:var(--text-soft);font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.real-answer-sheet{min-width:0;display:flex;flex-direction:column;overflow:auto;padding:0 16px 20px;border-left:1px solid var(--border);color:var(--text);background:var(--surface)}.answer-sheet-header{position:sticky;top:0;z-index:3;display:flex;align-items:center;justify-content:space-between;margin:0 -16px;padding:16px;border-bottom:1px solid var(--border);background:var(--accent)}.answer-sheet-header span{display:block;color:var(--site-action-text);font:700 9px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.09em}.answer-sheet-header h2{margin:3px 0 0;color:var(--site-action-text);font-size:17px}.answer-sheet-close{display:none;width:32px;height:32px;place-items:center;padding:0;border:1px solid rgba(17,24,39,.18);border-radius:8px;color:#111827;background:#ffffff8c;cursor:pointer}.answer-candidate{display:flex;justify-content:space-between;gap:10px;margin:14px 0;padding:10px;border:1px dashed var(--border-strong);border-radius:8px;color:var(--text-soft);background:var(--surface-raised);font-size:10px}.answer-candidate strong{color:var(--text)}.answer-section{margin-bottom:14px;padding:12px;border:1px solid var(--border);border-radius:10px}.answer-section.is-current-section{border-color:var(--accent-border);background:var(--accent-soft)}.answer-section h3{display:flex;align-items:center;justify-content:space-between;margin:0 0 11px;font-size:11px}.answer-section h3 span{padding:3px 6px;border-radius:5px;color:var(--site-action-text);background:var(--site-action-bg);font-size:8px;font-weight:600}.real-answer-sheet .answer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.real-answer-sheet .answer-cell{aspect-ratio:1;min-width:0;border-radius:7px;font-size:9px}.real-answer-sheet .answer-cell.is-current{border-color:#111827;box-shadow:0 0 0 2px #111827}.real-answer-sheet .answer-cell.is-answered{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg)}.real-answer-sheet .answer-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:3px;padding:12px 3px 0}.real-answer-sheet .legend-dot.answered{border-color:#d1af00;background:var(--accent)}.answer-sheet-tip{display:flex;align-items:flex-start;gap:7px;margin-top:14px;padding:10px;border-radius:8px;color:var(--text-soft);background:var(--surface-subtle);font-size:9px;line-height:1.55}.answer-sheet-tip svg{flex:0 0 auto;color:var(--accent-ink)}.answer-sheet-backdrop,.exam-mobile-dock{display:none}@media(max-width:1120px){.paper-exam-body{grid-template-columns:1fr}.real-answer-sheet{position:fixed;z-index:80;right:0;top:0;bottom:0;width:min(340px,88vw);display:flex;transform:translate(102%);box-shadow:-18px 0 45px #11182733;transition:transform .18s ease}.real-answer-sheet.is-open{transform:translate(0)}.answer-sheet-close{display:grid}.answer-sheet-backdrop{position:fixed;z-index:75;inset:0;display:block;visibility:hidden;opacity:0;border:0;background:#0f172261;transition:opacity .18s ease,visibility .18s ease}.answer-sheet-backdrop.is-visible{visibility:visible;opacity:1}.exam-mobile-dock{position:fixed;z-index:60;left:50%;bottom:12px;width:min(480px,calc(100% - 24px));display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:6px;padding:6px;border:1px solid var(--border);border-radius:13px;background:color-mix(in srgb,var(--surface) 95%,transparent);box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);transform:translate(-50%)}.exam-mobile-dock button{min-height:40px;display:flex;align-items:center;justify-content:center;gap:5px;padding:7px 9px;border:0;border-radius:8px;color:var(--text-soft);background:transparent;cursor:pointer;font-size:10px}.exam-mobile-dock .answer-sheet-trigger{color:var(--site-action-text);background:var(--site-action-bg);font-weight:600}.answer-sheet-trigger span{color:#245b3d;min-width:19px;padding:2px 5px;border-radius:99px;background:#ffffff94;font:8px ui-monospace,SFMono-Regular,Menlo,monospace}.paper-pagination{margin-bottom:68px}}@media(max-width:760px){.exam-topbar{min-height:58px;padding:7px 9px}.exam-title .brand-mark,.exam-candidate,.exam-save{display:none}.exam-title-copy strong{max-width:142px;font-size:10px}.exam-title-copy span{font-size:8px}.exam-status{gap:5px}.exam-timer{padding:7px 8px;font-size:11px}.exam-status .button{min-height:34px;padding:7px 10px}.exam-paper-stage{padding:9px 8px 28px}.paper-view-toolbar{min-height:39px;margin-bottom:8px;padding:5px 7px}.paper-view-toolbar>span:nth-child(2),.paper-view-toolbar>div{display:none}.real-exam-paper{min-height:1000px;padding:24px 16px 22px;box-shadow:0 7px 22px #11182721}.paper-security-line{font-size:7px}.real-paper-header{padding:20px 0 15px}.real-paper-header p{font-size:10px;letter-spacing:.04em}.real-paper-header h1{font-size:27px}.candidate-strip{align-items:stretch;flex-direction:column;gap:7px;padding:9px;font-size:9px}.candidate-strip u{min-width:150px}.paper-notice{margin:14px 0;padding:10px 11px;font-size:9px}.paper-section-title{gap:7px;padding:9px 8px}.paper-section-title strong{font-size:12px}.paper-section-title span,.paper-section-title em{font-size:7px}.paper-part-title p,.real-paper-passage{font-size:11px}.paper-question{padding:13px 4px 13px 37px}.paper-question-head{left:3px}.paper-question-number{width:25px;height:25px}.paper-question-text{margin-right:0;padding-right:54px;font-size:11px}.paper-mark-button{right:3px;font-size:8px}.paper-options{grid-template-columns:1fr;gap:4px}.paper-option{padding:7px 6px;font-size:10px}.paper-pagination span{display:none}.paper-pagination .button{flex:1}.records-section-heading{align-items:flex-start}.exam-session-row{grid-template-columns:36px minmax(0,1fr);gap:11px;padding:12px}.exam-session-status{width:36px;height:36px}.exam-session-title-line{align-items:flex-start;flex-direction:column;gap:5px}.exam-session-title-line>strong{width:100%;white-space:normal;overflow-wrap:anywhere}.exam-session-actions{grid-column:1 / -1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 40px}.exam-session-actions .button{justify-content:center}.exam-session-row.is-terminated .exam-session-actions{grid-template-columns:1fr;justify-items:end}}.sidebar{border-right:1.5px solid var(--border-strong);background:color-mix(in srgb,var(--surface) 96%,transparent)}.brand-row{min-height:61px;padding-bottom:17px;border-bottom:1px dashed var(--border)}.nav-groups{margin-top:5px}.nav-label{font-family:var(--font-hand);letter-spacing:.1em}.nav-item{border-radius:var(--radius-control);transition:color var(--duration-fast) var(--ease-standard),background var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard)}.nav-item.is-active,.nav-item.router-link-active{border:1.5px solid var(--accent-border);background:repeating-linear-gradient(-20deg,var(--accent) 0 5px,color-mix(in srgb,var(--accent) 84%,white) 5px 9px);box-shadow:2px 3px color-mix(in srgb,var(--text) 8%,transparent)}.nav-item.is-active em,.nav-item.router-link-active em{color:var(--text);background:color-mix(in srgb,var(--surface) 75%,transparent)}.topbar{height:68px;border-bottom:1.5px solid var(--border);background:color-mix(in srgb,var(--surface) 92%,transparent)}.breadcrumb strong{text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:3px;text-underline-offset:5px}.top-user-trigger{border-radius:13px 9px 14px 10px;box-shadow:var(--shadow-sm)}.avatar,.top-avatar{border:1.5px solid var(--site-action-bg);background:var(--site-action-bg);color:var(--site-action-text)}.view-container{padding-top:42px}.eyebrow,.card-kicker{font-family:var(--font-hand);letter-spacing:.11em}h1{font-weight:760}h2,h3{font-weight:680}:where(.hero-card,.continue-card,.metric-card,.panel,.upload-panel,.recognition-panel,.correction-shell,.exam-setup-card,.result-hero,.result-panel,.mistake-row,.settings-panel,.recommendation-paper-card,.usage-overview-card,.learning-recommendation-card,.daily-limit-card,.pricing-plan,.quota-pack,.knowledge-canvas,.knowledge-detail,.notebook-card,.vocabulary-card,.current-usage-panel,.checkout-product-card,.payment-method-section,.checkout-summary){border-color:var(--border-strong);border-radius:17px 13px 18px 14px;box-shadow:var(--shadow-sm)}.hero-card{border-width:1.5px;background:linear-gradient(125deg,var(--surface),var(--surface) 66%,var(--accent-soft))}.hero-card:after{border-style:dashed;border-width:2px;transform:rotate(-7deg)}.quick-upload{border:1.5px dashed var(--border-strong);border-radius:13px 9px 14px 10px;box-shadow:none}.metric-card:nth-child(2n),.recommendation-paper-card:nth-child(2n){transform:rotate(.18deg)}.metric-card:nth-child(odd),.recommendation-paper-card:nth-child(odd){transform:rotate(-.18deg)}.metric-icon,.recommendation-icon,.subject-setup-icon{border:1.5px solid var(--text);border-radius:11px 8px 12px 9px;color:var(--site-action-text);background:var(--site-action-bg)}.progress-track,.usage-bar{border:1px solid var(--border);background:var(--surface-subtle)}.progress-track>span,.usage-bar>span{background:repeating-linear-gradient(-25deg,var(--accent) 0 4px,color-mix(in srgb,var(--accent) 80%,white) 4px 7px)}.account-menu,.modal-card,.subject-setup-card{border:1.5px solid var(--border-strong);border-radius:17px 13px 18px 14px;box-shadow:var(--shadow-md)}@media(max-width:760px){.brand-mark{width:43px;height:35px}.topbar{height:62px}.view-container{padding-top:25px}.metric-card,.recommendation-paper-card{transform:none!important}}body[data-visual-mode=workspace] .sidebar{border-right:1px solid var(--border);background:color-mix(in srgb,var(--surface) 97%,var(--bg))}body[data-visual-mode=workspace] .nav-item.is-active,body[data-visual-mode=workspace] .nav-item.router-link-active{overflow:hidden;border:1px solid color-mix(in srgb,var(--accent-border) 62%,var(--border));background:color-mix(in srgb,var(--accent-soft) 58%,var(--surface));box-shadow:none}body[data-visual-mode=workspace] .nav-item.is-active:before,body[data-visual-mode=workspace] .nav-item.router-link-active:before{content:"";position:absolute;inset:8px auto 8px 0;width:3px;border-radius:0 3px 3px 0;background:var(--accent)}body[data-visual-mode=workspace] :where(.continue-card,.metric-card,.panel,.recommendation-paper-card,.usage-overview-card,.learning-recommendation-card,.daily-limit-card,.knowledge-canvas,.knowledge-detail,.notebook-card,.vocabulary-card,.current-usage-panel){border-color:var(--border);border-radius:15px;box-shadow:none}body[data-visual-mode=workspace] .metric-card,body[data-visual-mode=workspace] .recommendation-paper-card{transform:none}body[data-visual-mode=workspace] .recommendation-paper-card,body[data-visual-mode=workspace] .recommendation-paper-card.is-fresh{border-color:var(--border);background:linear-gradient(145deg,var(--surface) 0 82%,color-mix(in srgb,var(--accent-soft) 42%,var(--surface)) 100%)}body[data-visual-mode=workspace] .top-user-trigger{border-color:var(--border);border-radius:999px;box-shadow:none}body[data-visual-mode=workspace] .avatar,body[data-visual-mode=workspace] .top-avatar{border:1px solid color-mix(in srgb,var(--accent-border) 74%,var(--border))}body[data-visual-mode=workspace] .hero-card{border-width:1px;border-color:var(--border);border-radius:16px;box-shadow:0 8px 24px color-mix(in srgb,var(--text) 4%,transparent)}body[data-visual-mode=workspace] .quick-upload{border-width:1px;border-color:var(--border-strong);border-radius:11px;box-shadow:none}body[data-visual-mode=workspace] .metric-icon,body[data-visual-mode=workspace] .recommendation-icon,body[data-visual-mode=workspace] .subject-setup-icon{border:1px solid color-mix(in srgb,var(--accent-border) 76%,var(--border));border-radius:10px}body[data-visual-mode=workspace] .account-menu,body[data-visual-mode=workspace] .modal-card,body[data-visual-mode=workspace] .subject-setup-card{border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-md)}body[data-visual-mode=workspace] :where(.paper-card,.public-paper-card,.timing-analysis-card,.question-review-card,.collection-toolbar){box-shadow:none}body[data-visual-mode=workspace] :where(.progress-track>span,.usage-bar>span){background:var(--accent)}:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle):focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 34%,transparent);outline-offset:3px}:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle):not(:disabled):active{transform:translateY(1px)}:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle)[aria-pressed=true]{border-color:var(--accent-border);background:var(--accent-soft);color:var(--text)}:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle):disabled,:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle)[aria-disabled=true]{cursor:not-allowed;opacity:.55;filter:saturate(.72);transform:none!important;box-shadow:none!important}:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle)[aria-busy=true],:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle).is-loading{cursor:wait}:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle)[aria-busy=true] svg,:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle).is-loading svg{animation:state-spin .9s linear infinite}@keyframes state-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle)[aria-busy=true] svg,:where(.button,.icon-button,.top-user-trigger,.sidebar-collapse-toggle).is-loading svg{animation:none}}:is(.answer-picker button.is-selected,.answer-cell.is-answered,.mobile-nav .mobile-upload,.exam-mobile-dock .answer-sheet-trigger):hover:not(:disabled):not([aria-disabled=true]){color:var(--site-action-text);background:var(--site-action-hover)}:is(.answer-picker button.is-selected,.answer-cell.is-answered,.mobile-nav .mobile-upload,.exam-mobile-dock .answer-sheet-trigger):active:not(:disabled):not([aria-disabled=true]){color:var(--site-action-text);background:var(--site-action-active)}:root{--ink: #1a1a1a;--ink-2: #333333;--gray: #7a7a7a;--line: #d7d3c9;--paper: #fffdf7;--paper-2: #f7f3ea;--white: #ffffff;--yellow: #ffd24d;--yellow-2: #f4bf2a;--yellow-soft: #fff2ad;--site-success: #3f9b67;--shadow: 0 18px 55px rgba(38, 34, 24, .11);--sketch-shadow: 5px 6px 0 rgba(26, 26, 26, .1);--sans: var(--font-sans);--hand: var(--font-hand);--site-text-size-body: 16px;--site-leading-body: 1.85;--yellow-border: #dfbf3d;--soft: #4f4d47;--faint: var(--gray);--site-surface: var(--paper);--wash: var(--paper-2)}*{box-sizing:border-box}html{min-width:320px;scroll-behavior:smooth;scroll-padding-top:78px}section[id]{scroll-margin-top:78px}.site-page,.download-page{min-height:100vh;color:var(--ink);background-color:var(--paper);background-image:radial-gradient(circle at 16% 18%,var(--public-surface-translucent, rgba(88, 73, 43, .035)) 0 1px,transparent 1.5px),radial-gradient(circle at 78% 56%,var(--public-surface-translucent, rgba(88, 73, 43, .026)) 0 1px,transparent 1.5px);background-size:17px 19px,23px 29px;font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}.site-page a:focus-visible,.site-page button:focus-visible,.download-page a:focus-visible,.download-page button:focus-visible,.auth-dialog a:focus-visible,.auth-dialog button:focus-visible{outline:3px solid var(--public-line-translucent, rgba(210, 176, 0, .34));outline-offset:3px}[hidden]{display:none!important}.site-header{position:sticky;z-index:50;top:0;height:78px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:34px;padding:0 max(24px,calc((100vw - 1240px)/2));border-bottom:1px solid var(--public-line-translucent, rgba(215, 211, 201, .82));background:var(--public-surface-translucent, rgba(255, 253, 247, .92));-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.site-brand{display:inline-flex;align-items:center;gap:11px}.site-brand{--brand-lockup-muted: var(--faint)}.site-nav{display:flex;align-items:center;justify-content:center;gap:clamp(18px,3vw,38px)}.site-nav a{position:relative;padding:8px 1px;color:var(--ink-2);font-size:var(--text-size-md);font-weight:600}.site-nav a:after{content:"";position:absolute;left:50%;right:50%;bottom:1px;height:3px;border-radius:50%;background:var(--yellow);transition:left var(--duration-base) var(--ease-standard),right var(--duration-base) var(--ease-standard)}.site-nav a:hover:after{left:0;right:0}.site-actions,.site-auth-guest,.site-auth-user{display:flex;align-items:center;gap:12px}.site-login{padding:8px 3px;border:0;background:transparent;color:var(--ink);font:inherit;font-size:13px;cursor:pointer}.site-download-entry{min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 13px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-size:11px;font-weight:650}.site-download-entry:hover{border-color:var(--yellow-border);background:var(--yellow-soft)}.site-download-entry svg{width:15px;height:15px}.site-app-entry{color:var(--soft);font-size:12px;font-weight:650}.site-account{position:relative}.site-account-trigger{display:flex;align-items:center;gap:10px;padding:4px 4px 4px 9px;border:1px solid var(--line);border-radius:999px;background:var(--public-surface, #fff);cursor:pointer;text-align:right}.site-account-copy{display:grid;gap:1px}.site-account-copy strong{font-size:11px}.site-account-copy small{color:var(--faint);font-size:9px}.site-user-avatar{width:32px;height:32px;display:inline-grid;place-items:center;flex:0 0 auto;border-radius:50%;background:var(--site-action-bg);color:var(--site-action-text);font-size:10px;font-weight:800}.site-account-menu{position:absolute;z-index:60;right:0;top:calc(100% + 10px);width:230px;padding:7px;border:1px solid var(--line);border-radius:13px;background:var(--public-surface, #fff);box-shadow:var(--shadow)}.site-account-summary{display:flex;align-items:center;gap:10px;margin-bottom:5px;padding:10px;border-bottom:1px solid var(--line)}.site-account-summary div{min-width:0;display:grid;gap:3px}.site-account-summary strong{font-size:12px}.site-account-summary small{overflow:hidden;color:var(--faint);font-size:9px;text-overflow:ellipsis;white-space:nowrap}.site-account-menu>a,.site-account-menu>button{width:100%;display:block;padding:10px;border:0;border-radius:8px;background:transparent;color:var(--soft);font:inherit;font-size:11px;cursor:pointer;text-align:left}.site-account-menu>a:hover,.site-account-menu>button:hover{color:var(--ink);background:var(--wash)}.site-account-menu>button{margin-top:4px;border-top:1px solid var(--line);border-radius:0 0 8px 8px;color:var(--public-danger, #b83a35)}.site-button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:11px 20px;border:2px solid var(--ink);border-radius:var(--radius-control);color:var(--ink);background:var(--white);font-size:var(--text-size-md);font-weight:var(--font-weight-bold);box-shadow:3px 4px #1a1a1a24;transition:transform var(--duration-fast) var(--ease-standard),box-shadow var(--duration-fast) var(--ease-standard),background var(--duration-fast) var(--ease-standard)}.site-button:hover{transform:translate(-1px,-2px) rotate(-.35deg);box-shadow:5px 6px #1a1a1a29}.site-button.primary{color:var(--site-action-text);background:var(--site-action-bg)}.site-button.secondary{background:var(--white)}.site-button.dark{color:var(--public-on-primary, #fff);background:var(--ink)}.site-button.large{min-height:54px;padding:14px 25px;font-size:14px}.site-menu-button{display:none}body.auth-open{overflow:hidden;overscroll-behavior:none}.auth-backdrop{position:fixed;z-index:100;inset:var(--auth-viewport-offset, 0) 0 auto;width:100%;height:100vh;height:var(--auth-viewport-height, 100dvh);min-height:0;display:grid;place-items:center;overflow:hidden;padding:24px;background:var(--public-surface-translucent, rgba(20, 20, 16, .42));-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.auth-dialog{position:relative;width:min(460px,100%);max-height:min(760px,calc(100vh - 34px));max-height:min(760px,calc(var(--auth-viewport-height, 100dvh) - 34px));overflow:auto;overscroll-behavior:contain;padding:32px;border:1px solid var(--public-line-translucent, rgba(228, 228, 222, .9));border-radius:20px;background:var(--public-surface, #fff);box-shadow:0 30px 90px #14140f38;scroll-padding-block:24px calc(80px + env(safe-area-inset-bottom));scrollbar-gutter:stable;-webkit-overflow-scrolling:touch}.auth-close{position:absolute;right:18px;top:18px;width:32px;height:32px;display:grid;place-items:center;padding:0;border:1px solid var(--line);border-radius:50%;background:var(--public-surface, #fff);color:var(--soft);line-height:1;cursor:pointer}.auth-close svg{display:block;width:18px;height:18px}.auth-brand{display:flex;align-items:center;gap:9px}.auth-heading{margin-top:26px}.auth-heading h2{margin:0;font-size:29px;letter-spacing:-.04em}.auth-heading p{margin:9px 0 0;color:var(--soft);font-size:13px;line-height:1.6}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:22px 0;padding:4px;border-radius:10px;background:var(--wash)}.auth-tabs button{padding:10px;border:0;border-radius:7px;background:transparent;color:var(--soft);font:inherit;font-size:12px;cursor:pointer}.auth-tabs button.is-active{background:var(--public-surface, #fff);color:var(--ink);box-shadow:0 3px 10px #14140f12;font-weight:700}.auth-method-tabs{display:flex;gap:20px;margin:-8px 0 18px;border-bottom:1px solid var(--line)}.auth-method-tabs button{position:relative;padding:0 2px 10px;border:0;background:transparent;color:var(--soft);font:inherit;font-size:12px;cursor:pointer}.auth-method-tabs button.is-active{color:var(--ink);font-weight:700}.auth-method-tabs button.is-active:after{position:absolute;right:0;bottom:-1px;left:0;height:2px;background:var(--yellow);content:""}.auth-form{display:grid;gap:14px}.auth-form>label{display:grid;gap:7px;color:var(--soft);font-size:11px;font-weight:650}.auth-form input:not([type=checkbox]){width:100%;height:46px;padding:0 13px;border:1px solid var(--line);border-radius:9px;outline:0;background:var(--public-input, #fff);color:var(--ink);font:inherit;font-size:13px}.auth-form input:not([type=checkbox]):focus{border-color:var(--public-focus, #d2b000);box-shadow:0 0 0 3px var(--yellow-soft)}.auth-code-row{display:grid;grid-template-columns:minmax(0,1fr) 116px;gap:8px}.auth-code-row>button{height:46px;padding:0 10px;border:1px solid var(--line);border-radius:9px;color:var(--public-text, #685300);background:var(--yellow-soft);cursor:pointer;font-size:11px;font-weight:700;white-space:nowrap}.auth-code-row>button:hover:not(:disabled){border-color:var(--public-focus, #d2b000)}.auth-code-row>button:disabled{cursor:not-allowed;opacity:.55}.auth-code-message{min-height:17px;margin:-5px 0 0;color:var(--public-warning, #9a5b16);font-size:10px;line-height:1.6}.auth-code-message.is-ready{color:var(--public-success, #397653)}.auth-form-meta{display:flex;align-items:center;justify-content:space-between}.auth-form-meta>button{padding:0;border:0;background:transparent;color:var(--public-text, #806400);font-size:10px;cursor:pointer}.auth-auto-name{display:flex;align-items:center;gap:8px;margin:0;padding:10px 12px;border:1px solid var(--yellow-border);border-radius:9px;background:var(--yellow-soft);color:var(--public-text, #6d5700);font-size:10px;line-height:1.55}.auth-auto-name span{width:20px;height:20px;display:inline-grid;place-items:center;flex:0 0 auto;border-radius:6px;background:var(--site-action-bg);color:var(--site-action-text);font-size:11px;font-weight:800}.auth-check{display:flex!important;grid-template-columns:auto 1fr;align-items:flex-start;gap:7px!important;color:var(--faint)!important;font-size:10px!important;font-weight:400!important;line-height:1.5}.auth-check input{margin:1px 0 0;accent-color:var(--yellow)}.auth-check a{color:var(--public-text, #806400);text-decoration:none}.auth-check a:hover{text-decoration:underline}.auth-code-row{display:grid;grid-template-columns:1fr auto;gap:8px}.auth-code-row button{min-width:102px;border:1px solid var(--line);border-radius:9px;background:var(--wash);color:var(--ink);font-size:10px;cursor:pointer}.auth-code-row button:disabled{color:var(--faint);cursor:wait}.auth-error{min-height:17px;margin:-4px 0 0;color:var(--public-danger, #bd3934);font-size:10px}.auth-submit{width:100%;border:0;cursor:pointer}.auth-demo-hint{color:var(--faint);font-size:9px;text-align:center}.auth-success{padding:34px 0 8px;text-align:center}.auth-success-icon{width:62px;height:62px;display:grid;place-items:center;margin:0 auto 18px;border-radius:50%;background:var(--yellow-soft);color:var(--public-text, #856700);font-size:26px;font-weight:800}.legal-page{min-height:100vh;color:var(--ink);background:var(--public-surface, #fff);font-family:var(--sans)}.legal-header{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 max(28px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);background:var(--public-surface, #fff)}.legal-brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.legal-brand{--brand-lockup-muted: var(--faint)}.legal-actions{display:flex;align-items:center;gap:10px}.legal-actions button{color:var(--ink);font-family:inherit;cursor:pointer}.legal-actions svg{width:16px;height:16px}.legal-layout{width:min(1180px,calc(100% - 56px));display:grid;grid-template-columns:230px minmax(0,760px);justify-content:center;gap:70px;margin:0 auto;padding:64px 0 100px}.legal-toc{position:sticky;top:28px;align-self:start;max-height:calc(100vh - 56px);overflow:auto;padding-right:18px}.legal-toc strong{display:block;margin-bottom:14px;font-size:13px}.legal-toc a{display:block;padding:7px 0;color:var(--faint);font-size:12px;line-height:1.5}.legal-toc a:hover{color:var(--ink)}.legal-document{min-width:0}.legal-document>header{padding-bottom:38px;border-bottom:1px solid var(--line)}.legal-document .eyebrow{margin:0;color:var(--public-text, #8a7000);font-size:11px;font-weight:750}.legal-document h1{margin:13px 0 17px;font-size:36px;line-height:1.25;letter-spacing:0}.legal-description{max-width:680px;margin:0;color:var(--soft);font-size:15px;line-height:1.85}.legal-meta{display:flex;flex-wrap:wrap;gap:28px;margin:24px 0 0}.legal-meta div{display:flex;align-items:center;gap:8px}.legal-meta dt{color:var(--faint);font-size:11px}.legal-meta dd{margin:0;color:var(--soft);font-size:11px}.legal-document section{scroll-margin-top:26px;padding-top:42px}.legal-document section h2{margin:0 0 16px;font-size:20px;line-height:1.45;letter-spacing:0}.legal-document section p{margin:0 0 13px;color:var(--public-text, #4f504b);font-size:14px;line-height:1.95;text-align:justify}.legal-document section ul{display:grid;gap:10px;margin:0;padding-left:21px;color:var(--public-text, #4f504b)}.legal-document section li{padding-left:4px;font-size:14px;line-height:1.9}.auth-success h2{margin:0;font-size:28px}.auth-success p{margin:12px auto 24px;max-width:340px;color:var(--soft);font-size:12px;line-height:1.7}.auth-success p strong{color:var(--ink);font-weight:750}.auth-success div{display:grid;grid-template-columns:1fr 1fr;gap:9px}.auth-success button{cursor:pointer}.site-toast{position:fixed;z-index:120;right:24px;bottom:24px;max-width:min(360px,calc(100% - 32px));padding:12px 16px;border:1px solid var(--yellow-border);border-radius:10px;background:var(--public-raised, #fffdf0);box-shadow:var(--shadow);color:var(--public-text, #5b4800);font-size:12px}.site-hero{position:relative;width:min(1200px,calc(100% - 56px));min-height:690px;display:grid;grid-template-columns:.88fr 1.12fr;align-items:center;gap:58px;overflow:clip;margin:0 auto;padding:70px 0 76px}.site-hero h1{margin:0;font-size:clamp(45px,5vw,72px);line-height:1.08;letter-spacing:-.065em;font-weight:740}.site-hero-copy>p{max-width:570px;margin:24px 0 0;color:var(--soft);font-size:17px;line-height:1.85}.site-hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:30px}.site-hero-note{display:flex;align-items:center;gap:8px;margin-top:20px;color:var(--faint);font-size:12px}.site-hero-note span{color:var(--site-success)}.site-product-stage{position:relative}.site-brand-orbit{position:absolute;inset:-13% -8% -17% -7%;--brand-orbit-color: #c6a100;--brand-orbit-dot: #ffd21e}.site-hero-star{position:absolute;z-index:2;pointer-events:none}.site-hero-star-one{left:-10px;top:88px;--brand-star-fill: #fff6c7;transform:rotate(-13deg)}.site-hero-star-two{left:46%;top:112px;--brand-star-fill: #ffd21e;transform:rotate(16deg)}.product-window{position:relative;overflow:hidden;border:1px solid #dcdcd5;border-radius:18px;background:#fff;box-shadow:var(--shadow);transform:perspective(1300px) rotateY(-3deg) rotateX(1deg)}.product-window-bar{height:52px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 17px;border-bottom:1px solid var(--line);color:var(--faint);font-size:10px}.product-window-bar b{justify-self:end;color:var(--site-success);font-weight:600}.mini-brand{display:flex;align-items:center;gap:7px;color:var(--ink)}.product-window-body{min-height:435px;display:grid;grid-template-columns:118px 1fr}.product-side{display:grid;align-content:start;gap:5px;padding:18px 10px;border-right:1px solid var(--line);background:var(--wash)}.product-side span{padding:8px 9px;border-radius:7px;color:var(--faint);font-size:9px}.product-side span.is-active{color:var(--ink);background:var(--yellow-soft)}.product-main{padding:22px}.product-progress{display:flex;align-items:center;margin-bottom:24px}.product-progress span{width:25px;height:25px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;color:var(--faint);font-size:8px}.product-progress span.done{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg)}.product-progress span.current{color:#fff;border-color:var(--ink);background:var(--ink)}.product-progress i{flex:1;height:1px;background:var(--yellow)}.product-title{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:14px}.product-title strong,.product-title small{display:block}.product-title strong{margin-bottom:5px;font-size:16px}.product-title small{color:var(--faint);font-size:9px}.product-title>b{font-size:24px}.product-recognition{display:grid;grid-template-columns:1.08fr .92fr;gap:12px}.product-paper,.product-structure{min-height:220px;border:1px solid var(--line);border-radius:12px}.product-paper{position:relative;display:grid;align-content:center;gap:9px;overflow:hidden;padding:25px 28px;background:#fefefa}.product-paper i{width:90%;height:4px;border-radius:4px;background:#dbdbd5}.product-paper i:nth-of-type(2),.product-paper i:nth-of-type(5){width:72%}.product-paper em{margin-top:7px;font-size:11px;font-style:normal;font-weight:700}.scan-line{position:absolute;z-index:1;left:0;right:0;top:58%;height:2px;background:var(--yellow);box-shadow:0 0 12px var(--yellow)}.product-structure{padding:18px;background:var(--wash)}.product-structure>span,.product-structure>strong,.product-structure>small{display:block}.product-structure>span{color:var(--faint);font-size:8px}.product-structure>strong{margin-top:8px;font-size:13px}.product-structure>small{margin-top:4px;color:var(--site-success);font-size:8px}.product-structure hr{margin:17px 0;border:0;border-top:1px solid var(--line)}.product-structure>div{display:flex;justify-content:space-between;margin-top:12px}.product-structure i{color:var(--faint);font-size:8px;font-style:normal}.product-structure b{font-size:10px}.product-structure b.success{color:var(--site-success)}.product-cta{display:flex;align-items:center;justify-content:space-between;margin-top:12px;padding:12px;border-radius:10px;background:var(--yellow-soft)}.product-cta span{font-size:9px}.product-cta button{padding:9px 12px;border:0;border-radius:8px;background:var(--yellow);font-size:9px;font-weight:700}.workflow-band{padding:92px max(28px,calc((100vw - 1200px)/2));background:var(--wash)}.section-heading-site{max-width:700px}.section-heading-site h2,.achievement-copy-site h2,.library-copy-site h2,.final-cta h2{margin:0;font-size:clamp(32px,4vw,50px);line-height:1.15;letter-spacing:-.045em}.section-heading-site p{margin:14px 0 0;color:var(--soft);font-size:15px}.workflow-steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:48px;border-top:1px solid #d8d8d1}.workflow-steps article{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:25px 24px 0 0}.workflow-steps article+article{padding-left:24px;border-left:1px solid #d8d8d1}.workflow-steps article>span{color:#a3a49d;font:600 11px ui-monospace,monospace}.workflow-steps h3{margin:0 0 8px;font-size:17px}.workflow-steps p{margin:0;color:var(--soft);font-size:12px;line-height:1.75}.achievement-section,.library-section{width:min(1200px,calc(100% - 56px));display:grid;grid-template-columns:.75fr 1.25fr;align-items:center;gap:70px;margin:0 auto;padding:110px 0}.achievement-copy-site p,.library-copy-site p{margin:20px 0;color:var(--soft);font-size:15px;line-height:1.85}.achievement-copy-site>a{font-size:13px;font-weight:700}.achievement-demo{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.achievement-demo-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}.achievement-demo-head strong,.achievement-demo-head span{display:block}.achievement-demo-head strong{font-size:14px}.achievement-demo-head span{margin-top:3px;color:var(--faint);font-size:9px}.achievement-demo-head>b{color:#846500;font-size:10px}.site-tree{position:relative;height:390px;background:radial-gradient(circle at center,var(--yellow-soft),transparent 55%)}.site-tree svg{position:absolute;inset:0;width:100%;height:100%}.site-tree line{stroke:#d9d9d2;stroke-width:1.3}.site-tree button{position:absolute;left:var(--x);top:var(--y);min-width:88px;display:grid;gap:5px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 6px 16px #1e1e140f;transform:translate(-50%,-50%)}.site-tree button.selected{border-color:var(--yellow);box-shadow:0 0 0 3px var(--yellow-soft)}.site-tree button strong{font-size:9px}.site-tree button span{color:#d5ae00;font-size:8px;letter-spacing:1px}.library-section{grid-template-columns:1.25fr .75fr;background:#fff}.library-preview-site{min-height:390px;display:grid;grid-template-columns:180px 1fr;gap:15px;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--wash)}.library-paper-label{display:grid;place-items:center;align-content:center;gap:12px;border-radius:12px;background:var(--yellow);text-align:center}.library-paper-label span{font:600 16px ui-monospace,monospace}.library-paper-label strong{font-size:18px}.library-paper-label small{font-size:10px}.leaderboard-preview{padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}.leaderboard-preview>div{padding:13px;border-radius:10px;background:var(--yellow-soft)}.leaderboard-preview span,.leaderboard-preview strong,.leaderboard-preview small{display:block}.leaderboard-preview span{color:var(--faint);font-size:9px}.leaderboard-preview strong{margin:4px 0;font-size:23px}.leaderboard-preview small{color:var(--soft);font-size:9px}.leaderboard-preview table{width:100%;margin-top:15px;border-collapse:collapse}.leaderboard-preview td{padding:11px 7px;border-bottom:1px solid var(--line);font-size:9px}.leaderboard-preview tr.me td{background:var(--yellow-soft)}.library-copy-site ul{display:grid;gap:11px;margin:0 0 24px;padding:0;list-style:none}.library-copy-site li{color:var(--soft);font-size:13px}.library-copy-site li:before{content:"✓";margin-right:9px;color:var(--site-success)}.download-page{min-height:100vh;background:var(--public-raised, #fbfbf8)}.download-page-header{grid-template-columns:1fr auto}.download-back{display:inline-flex;align-items:center;gap:7px;color:var(--soft);font-size:12px;font-weight:650}.download-back svg{width:15px;height:15px}.download-page-main{width:min(1280px,calc(100% - 56px));min-height:calc(100vh - 72px);display:grid;grid-template-columns:minmax(0,1.06fr) minmax(440px,.94fr);align-items:center;gap:clamp(48px,6vw,92px);margin:0 auto;padding:62px 0 74px}.device-showcase{position:relative;min-height:590px}.device-showcase:before{content:"";position:absolute;inset:12% 3% 6%;border:1px solid var(--yellow-border);background:var(--yellow-soft);transform:rotate(-2deg)}.tablet-device,.phone-device{position:absolute;z-index:1;background:#181a1f;box-shadow:0 25px 55px #1919142e}.tablet-device{left:0;top:16%;width:88%;padding:12px;border-radius:23px;transform:rotate(-2deg)}.tablet-device img{width:100%;display:block;aspect-ratio:16 / 10;border-radius:13px;object-fit:cover}.phone-device{right:0;bottom:0;width:32%;padding:9px;border-radius:31px;transform:rotate(3deg)}.phone-device img{width:100%;display:block;aspect-ratio:390 / 844;border-radius:23px;object-fit:cover}.device-camera{position:absolute;z-index:2;left:50%;top:4px;width:5px;height:5px;border-radius:50%;background:#3a3c43;transform:translate(-50%)}.device-speaker{position:absolute;z-index:2;left:50%;top:5px;width:30%;height:4px;border-radius:4px;background:#393b41;transform:translate(-50%)}.tablet-device small,.phone-device small{position:absolute;left:50%;bottom:-34px;display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--soft);box-shadow:0 8px 18px #19191414;font-size:9px;white-space:nowrap;transform:translate(-50%)}.tablet-device small svg,.phone-device small svg{width:13px;height:13px}.download-page-content{min-width:0}.download-page-content>.site-eyebrow{margin:0 0 18px;color:var(--public-text, #806400);font:650 10px ui-monospace,SFMono-Regular,Menlo,monospace}.download-page-content h1{max-width:620px;margin:0;font-size:clamp(38px,4vw,56px);line-height:1.13;letter-spacing:-.045em}.download-page-summary{max-width:590px;margin:20px 0 0;color:var(--soft);font-size:14px;line-height:1.8}.download-client-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:34px}.download-client-option{min-width:0;min-height:102px;display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:12px;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--public-surface, #fff);color:var(--ink);text-align:left}.download-client-option:disabled{opacity:1}.download-client-option.is-available{border-color:var(--yellow-border);transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease}.download-client-option.is-available:hover{border-color:var(--yellow);box-shadow:0 9px 22px #19191414;transform:translateY(-1px)}.download-client-option.is-upcoming{background:var(--public-raised, #f5f5f1)}.download-client-option.is-wide{grid-column:1 / -1}.download-client-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:8px;background:var(--yellow-soft);color:var(--public-text, #6f5700)}.download-client-option.is-upcoming .download-client-icon{background:var(--public-raised, #e9e9e3);color:var(--soft)}.download-client-icon svg{width:19px;height:19px}.download-client-copy{min-width:0;display:grid;gap:3px}.download-client-copy small{color:var(--faint);font:600 8px ui-monospace,SFMono-Regular,Menlo,monospace}.download-client-copy strong{font-size:13px}.download-client-copy em{overflow-wrap:anywhere;color:var(--faint);font-size:9px;font-style:normal;line-height:1.4}.download-client-arrow{width:15px;height:15px;color:var(--public-text, #7e6400)}.download-page-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px max(28px,calc((100vw - 1200px)/2));border-top:1px solid var(--line);background:var(--public-surface, #fff)}.download-page-footer small{color:var(--faint);font-size:9px}.pricing-section{padding:108px max(28px,calc((100vw - 1200px)/2));background:var(--wash)}.pricing-section .section-heading-site{margin:0 auto;text-align:center}.site-billing{width:fit-content;display:flex;gap:4px;margin:28px auto 0;padding:4px;border-radius:10px;background:#e9e9e3}.site-billing button{padding:9px 13px;border:0;border-radius:7px;color:var(--soft);background:transparent;font-size:11px}.site-billing button.is-active{color:var(--ink);background:#fff;box-shadow:0 3px 10px #14140f12}.site-pricing-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-top:32px}.site-pricing-grid article{position:relative;padding:27px;border:1px solid var(--line);border-radius:16px;background:#fff}.site-pricing-grid article.recommended{border:2px solid var(--yellow);box-shadow:var(--shadow)}.site-pricing-grid article>span{position:absolute;right:18px;top:18px;padding:5px 8px;border-radius:6px;background:var(--yellow);font-size:9px;font-weight:700}.site-pricing-grid h3{margin:0;font-size:21px}.site-pricing-grid article>p{min-height:38px;margin:7px 0 16px;color:var(--soft);font-size:12px}.site-pricing-grid article>div{display:flex;align-items:baseline;gap:5px;margin-bottom:18px}.site-pricing-grid article>div strong{font-size:34px;letter-spacing:-.05em}.site-pricing-grid article>div span{color:var(--faint);font-size:10px}.site-pricing-grid ul{display:grid;gap:12px;margin:20px 0 0;padding:19px 0 0;border-top:1px solid var(--line);list-style:none}.site-pricing-grid li{color:var(--soft);font-size:12px}.site-pricing-grid li:before{content:"✓";margin-right:8px;color:var(--site-success)}.final-cta{width:min(1200px,calc(100% - 56px));display:flex;align-items:center;justify-content:space-between;gap:30px;margin:90px auto;padding:50px 55px;border-radius:20px;background:var(--yellow)}.final-cta p{margin:10px 0 0;color:#5d4b00;font-size:14px}.site-footer{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:30px;padding:38px max(28px,calc((100vw - 1200px)/2));border-top:1px solid var(--line)}.site-footer>p{color:var(--faint);font-size:11px}.site-footer nav{display:flex;gap:22px;color:var(--soft);font-size:11px}.site-footer small{grid-column:1 / -1;color:#aaa;font-size:9px}@media(max-width:980px){.legal-layout{grid-template-columns:1fr;width:min(760px,calc(100% - 48px))}.legal-toc{display:none}.site-header{grid-template-columns:auto auto 1fr}.site-menu-button{width:38px;height:38px;display:grid;place-content:center;gap:4px;padding:0;border:1px solid var(--line);border-radius:9px;background:#fff}.site-menu-button span{width:16px;height:1.5px;background:var(--ink)}.site-nav{position:absolute;left:20px;right:20px;top:66px;display:none;align-items:stretch;flex-direction:column;gap:0;padding:10px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow)}.site-nav.is-open{display:flex}.site-nav a{padding:12px}.site-actions{justify-self:end}.site-hero{grid-template-columns:1fr;padding-top:55px}.site-hero-copy{max-width:760px}.product-window{transform:none}.workflow-steps{grid-template-columns:1fr 1fr;row-gap:30px}.workflow-steps article:nth-child(3){padding-left:0;border-left:0}.achievement-section,.library-section{grid-template-columns:1fr;gap:42px}.library-copy-site{order:-1}.download-page-main{grid-template-columns:1fr;gap:30px;padding-top:44px}.device-showcase{width:min(680px,100%);min-height:510px;margin:0 auto}.download-page-content{width:min(680px,100%);margin:0 auto}.site-footer{grid-template-columns:1fr auto}.site-footer>p{display:none}.site-footer nav{grid-column:1 / -1}}@media(max-width:680px){.legal-header{height:62px;padding:0 16px}.legal-actions .site-button{min-height:36px;padding:8px 10px;font-size:11px}.legal-actions .site-button:first-child{width:36px;padding:0;font-size:0}.legal-layout{width:calc(100% - 32px);padding:42px 0 72px}.legal-document h1{font-size:29px}.legal-description{font-size:14px}.legal-meta{display:grid;gap:8px}.legal-document section{padding-top:34px}.legal-document section h2{font-size:18px}.legal-document section p,.legal-document section li{font-size:13px;text-align:left}.site-header{height:62px;gap:10px;padding:0 16px}.site-actions .site-login{display:inline-flex;font-size:11px}.site-actions .site-button{min-height:37px;padding:8px 12px;font-size:11px}.site-download-entry{width:38px;min-height:38px;padding:0}.site-download-entry span,.site-app-entry,.site-account-copy{display:none}.site-account-trigger{padding:2px;border:0}.site-account-menu{position:fixed;left:16px;right:16px;top:70px;width:auto}.auth-backdrop{align-items:end;padding:max(8px,env(safe-area-inset-top)) 0 0}.auth-dialog{width:100%;max-height:calc(100vh - max(8px,env(safe-area-inset-top)));max-height:calc(var(--auth-viewport-height, 100dvh) - max(8px,env(safe-area-inset-top)));padding:27px 20px calc(24px + env(safe-area-inset-bottom));border-radius:20px 20px 0 0}.auth-backdrop.is-keyboard-visible{padding-top:0}.auth-backdrop.is-keyboard-visible .auth-dialog{max-height:var(--auth-viewport-height, 100dvh);padding-top:18px;border-radius:14px 14px 0 0;scroll-padding-block:18px calc(72px + env(safe-area-inset-bottom))}.auth-success div{grid-template-columns:1fr}.site-hero,.achievement-section,.library-section,.final-cta{width:calc(100% - 32px)}.site-hero{min-height:auto;gap:42px;padding:47px 0 58px}.site-hero-star{display:none}.site-brand-orbit{inset:-7% -10% -10%}.site-hero h1{font-size:42px}.site-hero-copy>p{font-size:15px}.site-hero-actions{flex-direction:column}.site-hero-actions .site-button{width:100%}.product-window-body{grid-template-columns:1fr}.product-side{display:none}.product-main{padding:15px}.product-recognition{grid-template-columns:1fr}.product-structure{min-height:180px}.workflow-band,.pricing-section{padding:68px 16px}.workflow-steps{grid-template-columns:1fr}.workflow-steps article,.workflow-steps article+article{padding:19px 0 0;border-left:0;border-top:1px solid #d8d8d1}.achievement-section,.library-section{padding:72px 0}.site-tree{height:auto;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:14px}.site-tree svg{display:none}.site-tree button{position:static;min-height:72px;transform:none}.library-preview-site{grid-template-columns:1fr}.library-paper-label{min-height:160px}.download-page-main{width:calc(100% - 32px);min-height:auto;gap:52px;padding:36px 0 54px}.device-showcase{min-height:390px}.tablet-device{top:12%;width:94%;padding:7px;border-radius:15px}.tablet-device img{border-radius:9px}.phone-device{width:34%;padding:6px;border-radius:22px}.phone-device img{border-radius:17px}.tablet-device small,.phone-device small{bottom:-30px;padding:6px 8px}.download-page-content h1{font-size:36px}.download-page-summary{font-size:13px}.download-client-grid{grid-template-columns:1fr;margin-top:28px}.download-client-option{min-height:88px}.download-page-footer{padding:24px 16px}.site-pricing-grid{grid-template-columns:1fr}.final-cta{align-items:flex-start;flex-direction:column;margin:60px auto;padding:32px 25px}.final-cta .site-button{width:100%}.site-footer{grid-template-columns:1fr;padding:32px 18px}.site-footer nav{display:grid;grid-template-columns:1fr 1fr}}@media print{.legal-header,.legal-toc{display:none}.legal-layout{width:100%;display:block;padding:0}.legal-document{max-width:none}.legal-document section{break-inside:avoid}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.benefit-grid article{border:1px solid #d3cec2;border-radius:21px 18px 22px 19px;background:#ffffffe0;box-shadow:0 10px 28px #26221811}.benefit-grid article.featured{border:1.8px solid var(--ink);background:#fffdf7;box-shadow:5px 7px #1a1a1a17}.benefit-grid article:not(.featured) .benefit-icon{border-color:#bdb7aa;background:#fff5c6}.site-pricing-grid>article{border:1px solid #d3cec2;border-radius:20px 18px 21px 19px;box-shadow:0 10px 28px #2622180f}.site-pricing-grid>article.recommended{border:1.8px solid var(--ink);background:#fffdf7;box-shadow:5px 7px #1a1a1a18}.final-cta{background:#fff3b8;box-shadow:6px 8px #1a1a1a1a}.growth-demo{box-shadow:6px 8px #1a1a1a16}@media(max-width:680px){.benefit-grid article,.site-pricing-grid>article{box-shadow:0 8px 22px #2622180f}.benefit-grid article{transform:none!important}.benefit-grid article.featured,.site-pricing-grid>article.recommended{box-shadow:3px 4px #1a1a1a14}}.site-button.primary{border-color:var(--public-line, #d8b53e);background:var(--yellow)}.growth-demo{border:1px solid #c9c3b7;border-radius:20px;box-shadow:none;transform:none}.growth-chart button{border:1px solid #bdb6a9;border-bottom:0}.growth-copy li>span{border:1px solid #d4b74e;border-radius:10px}.final-cta{border:1px solid #d4b74e;border-radius:22px;box-shadow:none}:where(.site-button,.site-menu-button,.site-billing button):focus-visible{outline:3px solid var(--public-line-translucent, rgba(210, 176, 0, .34));outline-offset:3px}:where(.site-button,.site-menu-button,.site-billing button):not(:disabled):active{transform:translateY(1px);box-shadow:none}:where(.site-button,.site-menu-button,.site-billing button)[aria-pressed=true],:where(.site-button,.site-menu-button,.site-billing button).is-active{border-color:var(--public-focus, #d4b74e);background:var(--public-raised, #fff3b8);color:var(--ink)}:where(.site-button,.site-menu-button,.site-billing button):disabled,:where(.site-button,.site-menu-button,.site-billing button)[aria-disabled=true]{cursor:not-allowed;opacity:.55;filter:saturate(.72);transform:none!important;box-shadow:none!important}:where(.site-button,.site-menu-button,.site-billing button)[aria-busy=true],:where(.site-button,.site-menu-button,.site-billing button).is-loading{cursor:wait}@media(prefers-reduced-motion:reduce){:where(.site-button,.site-menu-button,.site-billing button):active{transform:none}}.site-page h1,.site-page h2,.site-page h3,.site-page p{text-wrap:wrap}.site-brand>.brand-mark{width:49px;height:42px;flex:0 0 auto}.site-brand>span:not(.brand-mark):not(.site-brand-lockup){display:grid;justify-items:center;gap:0}.site-brand>span:not(.brand-mark):not(.site-brand-lockup) strong{font:800 17px/1 var(--hand);letter-spacing:.095em}.site-brand>span:not(.brand-mark):not(.site-brand-lockup) small{margin-top:4px;font:600 9px/1 var(--hand);letter-spacing:.42em;transform:translate(2px)}.site-brand>.brand-lockup.site-brand-lockup{display:inline-flex;gap:11px}.site-brand>.brand-lockup.site-brand-lockup>.brand-mark.brand-lockup-mark{width:49px;height:42px;flex:0 0 auto}.site-brand>.site-brand-lockup .brand-lockup-copy{display:grid;justify-items:center;gap:0}.site-brand>.site-brand-lockup .brand-lockup-copy strong{font:800 17px/1 var(--hand);letter-spacing:.095em}.site-brand>.site-brand-lockup .brand-lockup-copy small{margin-top:4px;color:inherit;font:600 9px/1 var(--hand);letter-spacing:.42em;transform:translate(2px)}.site-button.paper{background:var(--paper)}.site-button.compact{min-height:41px;padding:9px 17px;border-width:1.7px;box-shadow:2px 3px #1a1a1a21}.site-hero{position:relative;overflow:clip;width:min(1240px,calc(100% - 48px));min-height:720px;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:clamp(38px,5vw,76px);margin:0 auto;padding:76px 0 86px}.site-hero:before{content:"";position:absolute;z-index:-1;width:360px;height:180px;left:-13%;bottom:0;border:solid var(--line);border-width:1px 0 0;border-radius:50% 50% 0 0;transform:rotate(2deg);opacity:.62}.hero-kicker,.site-hero-copy>p.hero-kicker,.eyebrow,.section-heading-site>p{margin:0;color:#66500a;font:700 11px/1.3 var(--hand);letter-spacing:.12em}.hero-kicker{width:fit-content;display:flex;align-items:center;gap:7px;padding:7px 11px;border:1px solid #e6c544;border-radius:11px 8px 12px 9px;background:#fff7ca;transform:rotate(-1deg)}.hero-kicker span{color:var(--yellow-2);font-size:15px}.site-hero h1{margin:25px 0 0;font-size:clamp(47px,5vw,76px);font-weight:800;line-height:1.13;letter-spacing:-.065em}.marker{position:relative;z-index:0;white-space:nowrap}.marker:after{content:"";position:absolute;z-index:-1;left:-2%;right:-2%;bottom:.08em;height:.27em;border-radius:55% 42% 48% 38%;background:var(--yellow);transform:rotate(-1.5deg);opacity:.78}.hero-lead,.site-hero-copy>p.hero-lead{max-width:590px;margin:26px 0 0;color:#55534d;font-size:16px;line-height:1.9}.site-hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:31px}.play-dot{width:24px;height:24px;display:inline-grid;place-items:center;border-radius:50%;color:#fff;background:var(--ink);font-size:8px}.play-dot svg{width:11px;height:11px;fill:currentColor}.site-hero-note{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:20px;color:var(--gray);font-size:11px}.site-hero-note>span{color:#756006;font-weight:800}.site-hero-note i{width:3px;height:3px;margin:0 4px;border-radius:50%;background:var(--line)}.scribble-star{position:absolute;font-family:var(--hand);pointer-events:none}.star-one{left:-12px;top:80px;color:var(--yellow-2);font-size:34px;transform:rotate(-13deg)}.star-two{left:46%;top:98px;color:var(--ink);font-size:17px;transform:rotate(17deg)}.hero-visual{position:relative;isolation:isolate;min-width:0;padding:42px 0 38px}.hero-visual:before{content:"";position:absolute;z-index:-2;inset:4% -5% 7% 7%;border-radius:47% 53% 42% 58%;background:#ffef9d;transform:rotate(-3deg);opacity:.72}.orbit-line{position:absolute;z-index:-1;width:125%;height:88%;left:-12%;top:0;border:2px solid var(--yellow-2);border-width:2px 0 0;border-radius:50%;transform:rotate(-13deg);opacity:.7}.dashboard-sketch{display:grid;grid-template-columns:112px 1fr;overflow:hidden;border:2px solid var(--ink);border-radius:22px 17px 20px 18px;background:#fffffff5;box-shadow:8px 11px #1a1a1a1f;transform:rotate(1.1deg)}.sketch-sidebar{min-height:450px;display:grid;align-content:start;gap:7px;padding:19px 10px;border-right:1.5px solid var(--ink)}.sketch-logo{display:grid;place-items:center;margin:0 0 21px;font-family:var(--hand)}.sketch-logo .brand-mark,.sketch-logo img{width:45px;height:38px}.sketch-logo b{font-size:9px;letter-spacing:.08em}.sketch-logo small{margin-top:3px;font-size:6px;letter-spacing:.24em}.sketch-sidebar>span{padding:9px 8px;border:1px solid transparent;border-radius:9px 7px 10px 8px;color:#585650;font-size:8px;white-space:nowrap}.sketch-sidebar>span.active{border-color:#e8c332;color:var(--ink);background:repeating-linear-gradient(-20deg,var(--yellow),var(--yellow) 4px,#ffd95f 4px,#ffd95f 7px);font-weight:750}.sketch-main{min-width:0;padding:22px 20px}.sketch-greeting{display:flex;align-items:center;justify-content:space-between;gap:12px}.sketch-greeting div{display:grid;gap:5px}.sketch-greeting b{font:750 14px var(--hand)}.sketch-greeting em{font-style:normal}.sketch-greeting small{color:var(--gray);font-size:8px}.sketch-greeting>span{padding:8px 11px;border:1px solid var(--line);border-radius:10px;color:#585650;font-size:7px}.sketch-greeting strong{color:var(--ink);font-size:11px}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:20px}.metric-row article{position:relative;min-width:0;padding:13px 12px;border:1.5px solid #c8c5bd;border-radius:13px 10px 12px 9px;background:#fff}.metric-row small{display:block;color:var(--gray);font-size:7px}.metric-row b{display:block;margin-top:4px;font-size:22px;font-weight:600;letter-spacing:-.04em}.metric-row em{margin-left:2px;font-size:8px;font-style:normal;font-weight:500}.metric-row article>span{position:absolute;right:10px;bottom:12px;color:#a17a00;font-size:14px}.metric-row article>span.up{color:var(--site-success)}.sketch-panels{display:grid;grid-template-columns:1.2fr .8fr;gap:10px;margin-top:11px}.sketch-panels article{position:relative;min-height:188px;padding:14px;border:1.5px solid #c8c5bd;border-radius:14px 11px 13px 10px}.sketch-panels header{display:flex;align-items:center;justify-content:space-between}.sketch-panels header b{font:700 10px var(--hand)}.sketch-panels header small{color:var(--gray);font-size:7px}.progress-card{display:grid;grid-template-columns:72px 1fr;grid-template-rows:auto 1fr;gap:13px}.progress-card header{grid-column:1 / -1}.progress-ring{width:68px;height:68px;display:grid;place-items:center;align-self:center;border:7px solid #eee9db;border-top-color:var(--yellow);border-right-color:var(--yellow);border-radius:50%;transform:rotate(-30deg)}.progress-ring strong{font-size:14px;transform:rotate(30deg)}.progress-card ul{display:grid;align-content:center;gap:11px;margin:0;padding:0;list-style:none}.progress-card li{position:relative;padding-left:13px;color:#5d5a54;font-size:7px}.progress-card li:before{content:"";position:absolute;left:0;top:1px;width:7px;height:7px;border:1px solid #777;border-radius:50%}.progress-card li.done:before{border-color:#e4b914;background:var(--yellow)}.progress-card li b{float:right;color:var(--ink)}.task-card p{position:relative;margin:13px 0 0;padding-left:16px;color:#595752;font-size:7px}.task-card p:before{content:"";position:absolute;left:0;width:8px;height:8px;border:1px solid #777;border-radius:50%}.task-card p.checked:before{border-color:#d3a900;background:var(--yellow);box-shadow:inset 0 0 0 2px #fff}.task-star{position:absolute;right:11px;bottom:7px;color:var(--yellow-2);font:800 38px var(--hand);transform:rotate(13deg)}.pencil-note{position:absolute;right:3%;bottom:-2px;padding:7px 14px 7px 10px;border-bottom:3px solid var(--yellow);color:#5a5548;background:#fffdf7e6;font:700 11px var(--hand);transform:rotate(-3deg)}.proof-strip{padding:25px max(24px,calc((100vw - 1240px)/2));border-block:1px solid var(--line);background:#f7f3eab8;text-align:center}.proof-strip p{margin:0 0 14px;color:var(--gray);font-size:10px;letter-spacing:.16em}.proof-strip div{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:clamp(10px,2.2vw,28px);font:700 14px var(--hand)}.proof-strip i{color:var(--yellow-2);font-size:9px;font-style:normal}.benefits-section,.pricing-section{padding:108px max(24px,calc((100vw - 1240px)/2))}.section-heading-site{max-width:760px}.section-heading-site.centered{margin:0 auto;text-align:center}.section-heading-site h2,.workflow-copy h2,.growth-copy h2{margin:15px 0 0;font-size:clamp(36px,4.4vw,58px);line-height:1.18;letter-spacing:-.055em}.section-heading-site>span{display:block;max-width:660px;margin:19px auto 0;color:#65625b;font-size:14px;line-height:1.8}.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:54px}.benefit-grid article{position:relative;min-height:430px;padding:31px 28px;border:1.7px solid var(--ink);border-radius:23px 18px 25px 19px;background:#ffffffd1;box-shadow:4px 5px #1a1a1a14}.benefit-grid article:nth-child(1){transform:rotate(-.45deg)}.benefit-grid article:nth-child(3){transform:rotate(.55deg)}.benefit-grid article.featured{background:#fff9d7;box-shadow:6px 8px #1a1a1a1c;transform:translateY(-11px)}.benefit-number{position:absolute;right:22px;top:19px;color:#cbc6b8;font:700 13px var(--hand)}.benefit-tag{position:absolute;left:25px;top:-13px;padding:6px 13px;border:1.5px solid var(--ink);border-radius:10px 8px;background:var(--yellow);font:700 10px var(--hand);transform:rotate(-2deg)}.benefit-icon{position:relative;width:66px;height:66px;display:grid;place-items:center;border:2px solid var(--ink);border-radius:18px 15px 20px 14px;background:var(--yellow);font:700 28px var(--hand);transform:rotate(-3deg)}.benefit-icon.dark{color:var(--yellow);background:var(--ink);transform:rotate(2deg)}.benefit-icon i{position:absolute;right:-9px;top:-11px;color:var(--yellow-2);font-size:16px;font-style:normal}.benefit-grid h3{margin:26px 0 0;font:750 22px/1.35 var(--hand)}.benefit-grid article>p{margin:13px 0 0;color:#626059;font-size:13px;line-height:1.8}.benefit-grid ul{display:grid;gap:11px;margin:25px 0 0;padding:21px 0 0;border-top:1px dashed #bbb5a8;list-style:none}.benefit-grid li{position:relative;padding-left:19px;color:#484640;font-size:12px}.benefit-grid li:before{content:"✓";position:absolute;left:0;color:#8b6c00;font-weight:800}.workflow-section{position:relative;overflow:hidden;display:grid;grid-template-columns:.76fr 1.24fr;gap:clamp(45px,8vw,110px);padding:108px max(24px,calc((100vw - 1240px)/2));border-block:1px solid var(--line);background:#f3efe6}.workflow-section:before{content:"";position:absolute;width:42vw;height:30vw;left:-9vw;bottom:-19vw;border:1px solid #bcb7aa;border-radius:50%;opacity:.45}.workflow-copy{position:relative;z-index:1;align-self:center}.workflow-copy>p:not(.eyebrow){margin:20px 0 28px;color:#65625b;font-size:14px;line-height:1.8}.workflow-steps{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:0;margin:0;padding:0;border-top:0;list-style:none}.workflow-steps:before{content:"";position:absolute;left:27px;top:55px;bottom:55px;border-left:2px dashed #c4bba8}.workflow-steps li{position:relative;display:grid;grid-template-columns:56px 1fr;gap:22px;padding:22px 0}.workflow-steps li>b{z-index:1;width:56px;height:56px;display:grid;place-items:center;border:2px solid var(--ink);border-radius:50% 45% 52% 48%;background:var(--paper);font:800 19px var(--hand)}.workflow-steps li:nth-child(2)>b{background:var(--yellow);transform:rotate(-4deg)}.workflow-steps li>div{padding:1px 0 22px;border-bottom:1px dashed #bdb8ad}.workflow-steps li span{color:#826700;font:700 9px var(--hand);letter-spacing:.1em}.workflow-steps h3{margin:7px 0 0;font-size:20px;font-weight:700;line-height:normal}.workflow-steps p{margin:8px 0 0;color:#65625b;font-size:12px;line-height:1.75}.workflow-telescope{position:absolute;width:190px;left:max(8px,calc((100vw - 1320px)/2));bottom:-12px;opacity:.72;transform:rotate(-3deg)}.pricing-section{border-top:1px solid var(--line);background:#f4f0e7}.site-billing{width:fit-content;display:flex;gap:4px;margin:31px auto 0;padding:4px;border:1px solid #c9c3b6;border-radius:13px 10px;background:#e8e3d8}.site-billing button{padding:9px 15px;border:0;border-radius:9px 7px;background:transparent;color:#625f58;font-size:11px;cursor:pointer}.site-billing button b{margin-left:4px;color:#755d00}.site-billing button.is-active{color:var(--ink);background:#fff;box-shadow:1px 2px #1a1a1a1f;font-weight:750}.site-pricing-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px;margin-top:35px}.site-pricing-grid>article{position:relative;display:grid;padding:31px 28px 25px;border:1.7px solid var(--ink);border-radius:22px 17px 23px 18px;background:var(--paper);box-shadow:4px 5px #1a1a1a14}.site-pricing-grid>article.recommended{border:2.2px solid var(--ink);background:#fff9d8;box-shadow:7px 9px #1a1a1a1f;transform:translateY(-8px)}.site-pricing-grid>article>.recommend-label{position:absolute;right:20px;top:-14px;padding:6px 12px;border:1.5px solid var(--ink);border-radius:10px 8px;background:var(--yellow);font:750 10px var(--hand);transform:rotate(2deg)}.site-pricing-grid>article>.plan-heading{display:block;margin:0}.plan-heading>span{color:#8b6f0c;font:700 9px var(--hand);letter-spacing:.14em}.plan-heading h3{margin:7px 0 0;font:800 28px var(--hand)}.plan-heading p{margin:6px 0 0;color:var(--gray);font-size:11px}.site-pricing-grid>article>.plan-price{display:flex;align-items:baseline;gap:7px;margin:24px 0 17px}.site-pricing-grid>article>.plan-price strong{font-size:41px;letter-spacing:-.06em}.site-pricing-grid>article>.plan-price span{color:var(--gray);font-size:10px}.site-pricing-grid .site-button{width:100%}.site-pricing-grid ul{display:grid;gap:13px;margin:23px 0 0;padding:21px 0 0;border-top:1px dashed #bbb5a8;list-style:none}.site-pricing-grid li{position:relative;padding-left:20px;color:#4e4b45;font-size:11px}.site-pricing-grid li:before{content:"✓";position:absolute;left:0;color:#8a6c00;font-weight:800}.site-pricing-grid>article>.plan-fit{min-height:0;align-self:end;margin:23px -4px 0!important;padding-top:14px;border-top:1px solid var(--line);color:var(--gray);font-size:9px;text-align:center}.pricing-note{max-width:780px;margin:30px auto 0;color:var(--gray);font-size:10px;line-height:1.7;text-align:center}.site-pricing-loading{display:grid;min-height:240px;margin-top:32px;place-items:center;color:var(--gray);font-size:14px}.final-cta{position:relative;width:min(1240px,calc(100% - 48px));display:flex;align-items:center;justify-content:space-between;gap:34px;overflow:hidden;margin:95px auto;padding:50px 56px;border:2px solid var(--ink);border-radius:26px 20px 27px 22px;background:var(--yellow);box-shadow:7px 9px #1a1a1a1f}.final-cta:after{content:"";position:absolute;width:430px;height:140px;right:-180px;top:-70px;border:2px solid var(--ink);border-radius:50%;opacity:.27;transform:rotate(-12deg)}.final-cta div{position:relative;z-index:1}.final-cta p{margin:0 0 10px;font:700 9px var(--hand);letter-spacing:.13em}.final-cta h2{max-width:760px;margin:0;font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.045em}.final-cta div>span{display:block;margin-top:11px;color:#5e4c07;font-size:12px}.final-cta .site-button{position:relative;z-index:1;flex:0 0 auto}.final-star{position:absolute;right:31%;bottom:-20px;font:800 80px var(--hand);opacity:.23;transform:rotate(13deg)}.site-footer{display:grid;grid-template-columns:1fr auto;align-items:initial;gap:45px;padding:55px max(24px,calc((100vw - 1240px)/2)) 35px;border-top:1px solid var(--line);background:#f7f3eab3}.site-footer>div>p{margin:14px 0 0;color:var(--gray);font:700 11px var(--hand)}.site-footer nav{display:grid;grid-template-columns:repeat(2,120px);gap:35px;color:inherit}.site-footer nav div{display:grid;gap:10px;align-content:start}.site-footer nav b{margin-bottom:3px;font-size:11px}.site-footer nav a,.site-footer nav button{padding:0;border:0;color:#625f58;background:transparent;font:inherit;font-size:10px;cursor:pointer;text-align:left}.site-footer nav a:hover,.site-footer nav button:hover{color:var(--ink)}.site-footer>small{grid-column:1 / -1;padding-top:22px;border-top:1px dashed #c8c1b4;color:#969187;font-size:11px}@media(max-width:1020px){.site-header{grid-template-columns:auto auto 1fr}.site-menu-button{width:39px;height:39px;display:grid;place-content:center;gap:4px;padding:0;border:1.5px solid var(--ink);border-radius:10px 8px;background:var(--paper)}.site-menu-button span{width:17px;height:2px;border-radius:2px;background:var(--ink)}.site-nav{position:absolute;left:22px;right:22px;top:69px;display:none;align-items:stretch;flex-direction:column;gap:0;padding:10px;border:1.5px solid var(--ink);border-radius:14px 11px;background:var(--paper);box-shadow:var(--sketch-shadow)}.site-nav.is-open{display:flex}.site-nav a{padding:12px}.site-nav a:after{display:none}.site-actions{justify-self:end}.site-hero{grid-template-columns:1fr;padding-top:65px}.site-hero-copy{max-width:790px}.star-two{left:auto;right:12%}.hero-visual{width:min(760px,100%);margin:0 auto}.benefit-grid{grid-template-columns:1fr 1fr}.benefit-grid article.featured{transform:none}.benefit-grid article:nth-child(3){grid-column:1 / -1;min-height:360px}.workflow-section{grid-template-columns:1fr}.workflow-copy{max-width:700px}.workflow-telescope{left:auto;right:0;width:230px;opacity:.34}.site-pricing-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){html{scroll-padding-top:66px}body:has(.site-page),body:has(.download-page){padding-bottom:0}section[id]{scroll-margin-top:66px}.site-header{height:66px;gap:9px;padding:0 14px}.site-brand{gap:6px}.site-brand>.brand-mark{width:39px;height:34px}.site-brand>span:not(.brand-mark):not(.site-brand-lockup) strong{font-size:13px}.site-brand>span:not(.brand-mark):not(.site-brand-lockup) small{font-size:7px}.site-brand>.brand-lockup.site-brand-lockup{gap:6px}.site-brand>.brand-lockup.site-brand-lockup>.brand-mark.brand-lockup-mark{width:39px;height:34px}.site-brand>.site-brand-lockup .brand-lockup-copy strong{font-size:13px}.site-brand>.site-brand-lockup .brand-lockup-copy small{font-size:7px}.site-actions{gap:7px}.site-login{min-height:35px;font-size:11px}.site-account-copy{display:none}.site-account-trigger{padding:2px;border:0;background:transparent;box-shadow:none}.site-actions .site-button{min-height:36px;padding:7px 10px;border-width:1.5px;font-size:10px;box-shadow:1px 2px #1a1a1a1f}.site-menu-button{width:35px;height:35px}.site-nav{top:60px;left:12px;right:12px}.site-hero{width:calc(100% - 28px);min-height:0;gap:42px;padding:49px 0 60px}.site-hero h1{margin-top:21px;font-size:42px}.hero-lead,.site-hero-copy>p.hero-lead{font-size:14px;line-height:1.8}.site-hero-actions{display:grid}.site-hero-actions .site-button{width:100%}.site-hero-note{align-items:flex-start;flex-direction:column}.site-hero-note i,.scribble-star{display:none}.hero-visual{padding:20px 0 27px}.dashboard-sketch{grid-template-columns:1fr;transform:rotate(.3deg)}.sketch-sidebar{min-height:0;display:flex;align-items:center;gap:3px;overflow:hidden;padding:10px;border-right:0;border-bottom:1.5px solid var(--ink)}.sketch-logo{margin:0 auto 0 0}.sketch-logo .brand-mark,.sketch-logo img{width:30px;height:25px}.sketch-logo b{font-size:6px}.sketch-logo small{display:none}.sketch-sidebar>span{display:none}.sketch-sidebar>span.active{display:block;padding:7px 10px;font-size:7px}.sketch-main{padding:15px 12px}.sketch-greeting>span{display:none}.metric-row{gap:6px}.metric-row article{padding:10px 8px}.metric-row b{font-size:18px}.metric-row article>span{display:none}.sketch-panels{grid-template-columns:1fr}.progress-card{min-height:166px!important}.task-card{display:none}.pencil-note{right:7%}.proof-strip{padding:22px 16px}.proof-strip div{column-gap:10px;row-gap:8px;font-size:12px}.proof-strip i{display:none}.proof-strip span:not(:last-child):after{content:" ·";color:#aaa49a}.benefits-section,.pricing-section,.workflow-section{padding:77px 16px}.section-heading-site h2,.workflow-copy h2,.growth-copy h2{font-size:36px}.section-heading-site>span{font-size:13px}.benefit-grid,.site-pricing-grid{grid-template-columns:1fr;gap:15px;margin-top:42px}.benefit-grid article,.benefit-grid article:nth-child(3){grid-column:auto;min-height:auto;padding:27px 23px;transform:none}.benefit-grid article.featured{margin-top:9px}.workflow-steps li{grid-template-columns:46px 1fr;gap:15px}.workflow-steps li>b{width:46px;height:46px}.workflow-steps:before{left:22px}.workflow-telescope{display:none}.site-pricing-grid>article,.site-pricing-grid>article:last-child{grid-column:auto}.site-pricing-grid>article.recommended{margin-top:8px;transform:none}.site-billing{width:100%}.site-billing button{flex:1}.final-cta{width:calc(100% - 28px);align-items:stretch;flex-direction:column;margin:68px auto;padding:34px 25px}.final-cta .site-button{width:100%}.site-footer{grid-template-columns:1fr;padding:43px 19px 28px}.site-footer nav{grid-template-columns:1fr 1fr}}@media(max-width:410px){.site-brand>span:not(.brand-mark):not(.site-brand-lockup) small{display:none}.site-brand>.site-brand-lockup .brand-lockup-copy small{display:none}.site-actions .site-button{padding-inline:8px}.site-hero h1{font-size:37px}.hero-kicker,.site-hero-copy>p.hero-kicker{font-size:9px}.metric-row article:nth-child(2){display:none}.metric-row{grid-template-columns:1fr 1fr}}.site-button{border:1px solid var(--public-line, #c9c3b7);border-radius:11px;box-shadow:none;transition:transform .14s ease,border-color .14s ease,background-color .14s ease}.site-button:hover{transform:translateY(-1px);border-color:var(--public-focus, #aaa397);box-shadow:0 5px 14px #2622180e}.site-button.primary{border-color:var(--site-action-bg);color:var(--site-action-text);background:var(--site-action-bg)}.site-button.primary:hover:not(:disabled){border-color:var(--site-action-hover);color:var(--site-action-text);background:var(--site-action-hover)}.site-button.dark{border-color:var(--ink)}.site-button.compact{border-width:1px;box-shadow:none}.dashboard-sketch{border:1px solid #aaa397;border-radius:20px;box-shadow:0 16px 40px #26221813;transform:rotate(.25deg)}.sketch-sidebar{border-right-color:#c9c3b7}.benefit-grid article,.benefit-grid article.featured,.site-pricing-grid>article,.site-pricing-grid>article.recommended{border:1px solid #d3cec2;border-radius:20px;box-shadow:none}.benefit-grid article.featured,.site-pricing-grid>article.recommended{border-color:#d4b74e;background:#fffaf0}.benefit-tag,.site-pricing-grid>article>.recommend-label{border:1px solid #d4b74e;border-radius:9px;box-shadow:none}.benefit-icon,.benefit-grid article:not(.featured) .benefit-icon{border:1px solid #c8c1b4;border-radius:16px;background:#fff5c6}.benefit-icon.dark{border-color:#4b4842;background:#2d2c29}.workflow-steps li>b{border:1px solid #bdb6a9;border-radius:50%}.site-billing button.is-active{box-shadow:none}.final-cta{border:1px solid #d4b74e;border-radius:22px;background:#fff3b8;box-shadow:none}.final-cta:after{border-color:#a68a34;border-width:1px}@media(max-width:980px){.site-menu-button{border:1px solid #c9c3b7;border-radius:11px;box-shadow:none}.site-nav{border:1px solid #c9c3b7;border-radius:11px;box-shadow:0 12px 28px #26221813}}@media(max-width:680px){.site-actions .site-button{border-width:1px;box-shadow:none}.dashboard-sketch{box-shadow:0 12px 30px #26221811;transform:none}.benefit-grid article,.benefit-grid article.featured,.site-pricing-grid>article,.site-pricing-grid>article.recommended{box-shadow:none}}.auth-page-backdrop{--ink: #1b3929;--gray: #718372;--line: #dce8d7;--paper: #f7faf1;--auth-green-ink: #245b3d;--auth-green-soft: #eef8e9;--auth-green-border: #cfe5c9;z-index:1000;inset:var(--auth-viewport-offset, 0) 0 auto;display:block;overflow:hidden;padding:0;color:var(--ink);background-color:var(--paper);background-image:radial-gradient(circle at 22% 26%,var(--public-surface-translucent, rgba(60, 48, 24, .045)) 0 1px,transparent 1.5px);background-size:19px 21px;-webkit-backdrop-filter:none;backdrop-filter:none;font-family:var(--sans);-webkit-font-smoothing:antialiased}.auth-page-dialog{width:100%;max-width:none;height:100%;max-height:none;overflow:auto;overscroll-behavior:contain;padding:0;border:0;border-radius:0;color:var(--ink);background:transparent;box-shadow:none;scrollbar-gutter:auto;scroll-padding-block:78px calc(42px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}.auth-page-dialog button,.auth-page-dialog input{font:inherit}.auth-page-dialog a:focus-visible,.auth-page-dialog button:focus-visible{outline:3px solid var(--site-action-focus);outline-offset:3px}.auth-page-dialog .auth-topbar{position:fixed;z-index:30;top:var(--auth-viewport-offset, 0);right:0;left:0;height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,4vw,58px);pointer-events:none}.auth-page-dialog .auth-topbar>*{pointer-events:auto}.auth-page-dialog .auth-logo{display:inline-flex;align-items:center;gap:12px;padding:0;border:0;color:var(--public-text, #242a22);background:transparent;cursor:pointer}.auth-page-dialog .auth-logo>img{display:block;width:50px;height:50px;flex-shrink:0}.auth-page-dialog .auth-logo>strong{display:block;color:var(--public-text, #242a22);font:750 32px/1.2 StarTacks Workspace,sans-serif;letter-spacing:-.5px}@media(max-width:1250px)and (min-width:1101px){.auth-page-dialog .auth-logo{gap:10px}.auth-page-dialog .auth-logo>strong{font-size:31px}}@media(max-width:640px){.auth-page-dialog .auth-logo{gap:9px}.auth-page-dialog .auth-logo>img{width:42px;height:42px}.auth-page-dialog .auth-logo>strong{font-size:27px}}@media(max-width:374px){.auth-page-dialog .auth-logo{gap:6px}.auth-page-dialog .auth-logo>img{width:36px;height:36px}.auth-page-dialog .auth-logo>strong{font-size:24px}}.auth-page-dialog .auth-topbar>div{display:flex;align-items:center;gap:12px;color:var(--gray);font-size:11px}.auth-page-dialog .auth-switch{min-height:40px;display:inline-flex;align-items:center;padding:8px 16px;border:1px solid var(--line);border-radius:var(--site-action-radius);color:var(--auth-green-ink);background:var(--public-surface, #fff);box-shadow:none;font-weight:750;cursor:pointer}.auth-page-dialog .auth-switch:hover{border-color:var(--auth-green-border);background:var(--auth-green-soft)}.auth-page-dialog .auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(420px,.95fr) minmax(500px,1.05fr)}.auth-page-dialog .auth-story{position:relative;min-height:760px;display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding:128px clamp(35px,6vw,100px) 76px;border-right:1px solid var(--auth-green-border);background:var(--site-action-bg)}.auth-page-dialog .auth-story:before{content:"";position:absolute;width:78%;height:42%;left:-28%;bottom:-25%;border:1px solid var(--public-line, #8abf91);border-radius:50%;opacity:.28;transform:rotate(5deg)}.auth-page-dialog .auth-story:after{content:"";position:absolute;width:64%;height:37%;right:-30%;top:16%;border:1px solid var(--public-line, #8abf91);border-width:1px 0 0;border-radius:50%;opacity:.31;transform:rotate(-18deg)}.auth-page-dialog .story-copy{position:relative;z-index:2}.auth-page-dialog .story-copy h1{margin:0;font-size:clamp(42px,4.5vw,68px);line-height:1.15;letter-spacing:0}.auth-page-dialog .story-copy h1 span{position:relative;z-index:0;white-space:nowrap}.auth-page-dialog .story-copy h1 span:after{content:"";position:absolute;z-index:-1;left:-3%;right:-3%;bottom:.04em;height:.28em;border-radius:50%;background:var(--paper);opacity:.7;transform:rotate(-2deg)}.auth-page-dialog .story-copy>small{display:block;margin-top:20px;color:var(--gray);font:700 12px/1.7 var(--hand)}.auth-page-dialog.login-page .story-copy,.auth-page-dialog.login-page .story-copy>small{color:var(--public-muted, #fff)}.auth-page-dialog.login-page .story-copy h1 span:after{opacity:.2}.auth-page-dialog .story-star{position:absolute;z-index:1;font:800 42px var(--hand)}.auth-page-dialog.login-page .story-star{color:var(--public-soft-translucent, rgba(255, 255, 255, .8))}.auth-page-dialog .star-a{right:12%;top:18%;transform:rotate(15deg)}.auth-page-dialog .star-b{left:8%;top:32%;font-size:18px;transform:rotate(-17deg)}.auth-page-dialog .orbit-preview{position:relative;z-index:2;width:min(390px,92%);margin:49px 0 0 auto;transform:none}.auth-page-dialog .orbit-card{padding:22px 23px;border:1px solid var(--auth-green-border);border-radius:17px;background:var(--paper);box-shadow:0 14px 34px #1b392913}.auth-page-dialog .orbit-card>span{color:var(--gray);font-size:9px}.auth-page-dialog .orbit-card>strong{display:block;margin-top:3px;font-size:42px;letter-spacing:0}.auth-page-dialog .orbit-card>small{color:var(--gray);font-size:9px}.auth-page-dialog .orbit-card>small b{color:var(--public-soft, #3b9763);font-size:13px}.auth-page-dialog .mini-bars{height:76px;display:flex;align-items:end;gap:9px;margin-top:16px;padding:0 5px;border-bottom:1px solid var(--public-line, #b9cbb4)}.auth-page-dialog .mini-bars i{width:26px;height:var(--h);border:1px solid var(--public-line, #b9cbb4);border-bottom:0;border-radius:4px 4px 0 0;background:repeating-linear-gradient(-25deg,var(--public-raised, #e8efe2) 0 3px,var(--public-surface, #fff) 3px 6px)}.auth-page-dialog .mini-bars i.active{border-color:var(--site-action-bg);background:repeating-linear-gradient(-25deg,var(--site-action-bg) 0 4px,var(--public-raised, #bce8b6) 4px 7px)}.auth-page-dialog .auth-panel{display:grid;place-items:center;padding:105px clamp(24px,5vw,76px) 58px;background:var(--public-surface, #fdfef9)}.auth-page-dialog .auth-card{position:relative;width:min(470px,100%)}.auth-page-dialog .auth-card h2{margin:11px 0 0;font-size:37px;letter-spacing:0}.auth-page-dialog #authTitle:focus{outline:0}.auth-page-dialog .auth-subtitle{margin:10px 0 0;color:var(--gray);font-size:12px;line-height:1.7}.auth-page-dialog .auth-method-tabs{position:absolute;top:0;right:0;display:flex;margin:0;border:0}.auth-page-dialog .auth-method-tabs button{padding:3px 0;border:0;color:var(--auth-green-ink);background:transparent;font-size:10px;cursor:pointer}.auth-page-dialog .auth-method-tabs button.is-active{display:none}.auth-page-dialog .auth-method-tabs button:after{display:none}.auth-page-dialog .auth-form{display:grid;gap:17px;margin-top:30px}.auth-page-dialog .auth-form>label:not(.check-field){display:grid;gap:8px;color:var(--public-text, #435d47);font-size:11px;font-weight:650}.auth-page-dialog .auth-form input:not([type=checkbox]){width:100%;height:50px;padding:0 14px;border:1px solid var(--line);border-radius:10px;outline:0;color:var(--ink);background:var(--public-input, #fff);font-size:13px;transition:border-color .15s ease,box-shadow .15s ease}.auth-page-dialog .auth-form input:not([type=checkbox]):focus{border-color:var(--site-action-bg);box-shadow:0 0 0 3px #28cb4d24}.auth-page-dialog .password-field,.auth-page-dialog .code-field{position:relative;display:grid;grid-template-columns:1fr auto;gap:0}.auth-page-dialog .password-field input,.auth-page-dialog .code-field input{grid-column:1 / -1;grid-row:1}.auth-page-dialog .password-field input{padding-right:64px!important}.auth-page-dialog .password-field button{z-index:1;grid-column:2;grid-row:1;align-self:center;margin-right:12px;padding:5px;border:0;color:var(--auth-green-ink);background:transparent;font-size:10px;cursor:pointer}.auth-page-dialog .code-field input{padding-right:122px!important}.auth-page-dialog .code-field button{z-index:1;grid-column:2;grid-row:1;align-self:stretch;min-width:108px;height:auto;margin:6px;padding:0 14px;border:0;border-radius:var(--site-action-radius);color:var(--site-action-text);background:var(--site-action-bg);font-size:10px;font-weight:var(--site-action-weight);cursor:pointer;transition:background-color .18s ease}.auth-page-dialog .code-field button:hover:not(:disabled){background:var(--site-action-hover)}.auth-page-dialog .code-field button:disabled{color:var(--public-text, #54735a);background:var(--public-raised, #e6f1e1);cursor:not-allowed;opacity:1}.auth-page-dialog .auth-code-message{min-height:17px;margin:-10px 0 -6px;color:var(--public-warning, #9a5b16);font-size:10px;line-height:1.6}.auth-page-dialog .auth-code-message:empty{display:none}.auth-page-dialog .auth-code-message.is-ready{color:var(--public-success, #397653)}.auth-page-dialog .form-meta{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:-2px}.auth-page-dialog .form-meta>button{padding:4px 0;border:0;color:var(--auth-green-ink);background:transparent;font-size:10px;cursor:pointer}.auth-page-dialog .check-field{display:flex!important;align-items:flex-start;gap:8px!important;color:var(--gray)!important;font-size:10px!important;font-weight:500!important;line-height:1.6}.auth-page-dialog .check-field input{width:15px;height:15px;flex:0 0 auto;margin:0;accent-color:var(--site-action-bg)}.auth-page-dialog .agreement{margin:-2px 0 0}.auth-page-dialog .agreement a{color:var(--auth-green-ink);text-decoration:underline;text-underline-offset:3px}.auth-page-dialog .auth-status-success{min-height:17px;margin:-4px 0 -3px;color:var(--public-success, #397653);font-size:10px}.auth-page-dialog .auth-status-success:empty{display:none}.auth-page-dialog .form-error{height:16px;min-height:16px;margin:-4px 0 -3px;color:var(--public-danger, #bd3d35);font-size:10px;line-height:16px}.auth-page-dialog .auth-submit{width:100%;min-height:54px;display:flex;align-items:center;justify-content:center;gap:18px;padding:14px 25px;border:1px solid var(--site-action-bg);border-radius:var(--site-action-radius);color:var(--site-action-text);background:var(--site-action-bg);box-shadow:none;font-size:14px;font-weight:var(--site-action-weight);cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease}.auth-page-dialog .auth-submit:hover:not(:disabled){transform:translateY(-2px);border-color:var(--site-action-hover);background:var(--site-action-hover);box-shadow:0 5px 12px #15281c14}.auth-page-dialog .auth-submit:disabled{opacity:.55;cursor:not-allowed;transform:none}.auth-page-dialog .auth-footnote{margin:25px 0 0;color:var(--gray);font-size:10px;text-align:center}.auth-page-dialog .auth-footnote button{padding:0;border:0;color:var(--auth-green-ink);background:transparent;font-weight:650;text-decoration:underline;text-decoration-color:var(--site-action-bg);text-decoration-thickness:2px;text-underline-offset:4px;cursor:pointer}.unified-auth-page .auth-method-tabs{position:static;display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:26px;padding:4px;border-radius:12px;background:var(--public-raised, #edf3eb)}.unified-auth-page .auth-method-tabs button{display:block;min-height:42px;padding:10px 14px;border-radius:9px;color:var(--gray);font-size:13px;font-weight:650}.unified-auth-page .auth-method-tabs button.is-active{display:block;color:var(--auth-green-ink);background:var(--public-surface, #fff);box-shadow:0 2px 6px #1b39290f}.unified-auth-page .auth-method-tabs button:disabled{cursor:wait}.unified-auth-page .auth-error{height:auto}@media(max-width:960px){.auth-page-dialog.unified-auth-page .auth-story{display:none}.auth-page-dialog.unified-auth-page .auth-panel{min-height:var(--auth-viewport-height, 100dvh);padding:110px 24px 48px}.auth-page-dialog.unified-auth-page .auth-topbar{background:var(--public-surface, #fdfef9)}}.auth-page-dialog .register-story{background:var(--public-raised, #eff6e8)}.auth-page-dialog .register-story .story-copy h1{font-size:52px;white-space:nowrap}.auth-page-dialog .register-story .story-copy h1 span:after{background:var(--public-raised, #b9e66a);opacity:.72}.auth-page-dialog .register-story .story-copy>small{color:var(--gray)}.auth-page-dialog .story-benefits{position:relative;z-index:2;display:grid;gap:12px;width:min(420px,100%);margin:39px 0 0;padding:0;list-style:none}.auth-page-dialog .story-benefits li{display:grid;grid-template-columns:38px 1fr;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--auth-green-border);border-radius:12px;background:var(--public-surface-translucent, rgba(255, 255, 255, .88));box-shadow:none}.auth-page-dialog .story-benefits li:nth-child(2){margin-left:18px;background:var(--auth-green-soft);transform:none}.auth-page-dialog .story-benefits li>b{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;color:var(--site-action-text);background:var(--site-action-bg);font-size:11px;font-weight:var(--site-action-weight)}.auth-page-dialog .story-benefits li>span{display:grid;gap:3px}.auth-page-dialog .story-benefits strong{font-size:11px}.auth-page-dialog .story-benefits small{color:var(--gray);font-size:8px}.auth-page-dialog .story-telescope{position:absolute;z-index:1;width:190px;right:5%;bottom:-12px;opacity:.6}.auth-page-dialog.register-page .auth-panel{padding-top:91px;padding-bottom:34px}.auth-page-dialog.register-page .auth-form{gap:13px;margin-top:22px}.auth-page-dialog.register-page .auth-card h2{font-size:34px}.auth-page-dialog.register-page .auth-form input:not([type=checkbox]){height:47px}.auth-page-dialog.register-page .auth-submit{min-height:54px}.auth-page-dialog .register-success{padding:24px 0;text-align:center}.auth-page-dialog .register-success>.brand-mark{width:90px;height:73px;display:block;margin:0 auto 18px}.auth-page-dialog .register-success h2{margin:14px 0 0;font-size:37px;line-height:1.25}.auth-page-dialog .register-success>span{display:block;margin-top:25px;color:var(--gray);font-size:10px}.auth-page-dialog .register-success>strong{width:fit-content;display:block;margin:8px auto 0;padding:7px 14px;border:1px solid var(--auth-green-border);border-radius:9px;color:var(--auth-green-ink);background:var(--auth-green-soft);font:800 15px var(--hand);transform:none}.auth-page-dialog .register-success>div{display:grid;gap:14px;margin-top:27px}.auth-page-dialog .back-home{padding:0;border:0;color:var(--gray);background:transparent;font-size:10px;text-decoration:underline;text-underline-offset:4px;cursor:pointer}@media(max-width:960px){.auth-page-dialog .auth-topbar{position:absolute}.auth-page-dialog .auth-shell{grid-template-columns:1fr}.auth-page-dialog .auth-story{min-height:560px;padding:132px 8vw 68px;border-right:0;border-bottom:1px solid var(--auth-green-border)}.auth-page-dialog.login-page .auth-topbar>div>span{color:var(--public-muted, #fff)}.auth-page-dialog .story-copy{max-width:680px}.auth-page-dialog .orbit-preview{position:absolute;width:310px;right:7vw;bottom:52px;margin:0;opacity:.94}.auth-page-dialog.login-page .story-copy{max-width:52%}.auth-page-dialog .auth-panel{min-height:680px;padding:70px 24px}.auth-page-dialog .register-story{min-height:640px}.auth-page-dialog .register-story .story-copy{max-width:650px}.auth-page-dialog .story-benefits{width:min(390px,70%)}}@media(max-width:680px){.auth-page-backdrop{padding:0}.auth-page-dialog,.auth-page-backdrop.is-keyboard-visible .auth-page-dialog{width:100%;max-height:none;padding:0;border-radius:0;scroll-padding-block:66px calc(32px + env(safe-area-inset-bottom))}.auth-page-dialog .auth-topbar{height:66px;padding:0 14px}.auth-page-dialog .auth-topbar>div>span{display:none}.auth-page-dialog .auth-switch{min-height:35px;padding:7px 11px;font-size:10px}.auth-page-dialog .auth-story{min-height:480px;justify-content:flex-start;padding:118px 21px 45px}.auth-page-dialog .story-copy h1{font-size:43px}.auth-page-dialog.login-page .story-copy{max-width:100%}.auth-page-dialog .orbit-preview{position:relative;right:auto;bottom:auto;width:min(340px,94%);margin:42px 0 0 auto}.auth-page-dialog .orbit-card{padding:17px 18px;box-shadow:0 10px 24px #26221811}.auth-page-dialog .mini-bars{height:65px}.auth-page-dialog .mini-bars i{width:22px}.auth-page-dialog .auth-panel{min-height:0;padding:59px 18px calc(65px + env(safe-area-inset-bottom))}.auth-page-dialog .auth-card h2,.auth-page-dialog.register-page .auth-card h2{font-size:31px}.auth-page-dialog .auth-form{margin-top:25px}.auth-page-dialog .register-story{min-height:600px}.auth-page-dialog .register-story .story-copy h1{font-size:39px;white-space:nowrap}.auth-page-dialog .register-story .story-copy{max-width:100%}.auth-page-dialog .story-benefits{width:100%;margin-top:32px}.auth-page-dialog .story-benefits li:nth-child(2){margin-left:10px}.auth-page-dialog .story-telescope{width:150px;right:-18px;opacity:.35}.auth-page-dialog.register-page .auth-panel{padding:54px 18px calc(64px + env(safe-area-inset-bottom))}.auth-page-dialog .register-success h2{font-size:32px}.auth-page-dialog .auth-submit:hover:not(:disabled){transform:none}}@media(max-width:380px){.auth-page-dialog .story-copy h1{font-size:38px}.auth-page-dialog .register-story .story-copy h1{font-size:36px}.auth-page-dialog .auth-card h2,.auth-page-dialog.register-page .auth-card h2{font-size:28px}.auth-page-dialog .auth-form input:not([type=checkbox]){font-size:12px}}body:has(.intro-video-backdrop){overflow:hidden;overscroll-behavior:none}.intro-video-backdrop{position:fixed;z-index:1200;inset:0;display:grid;place-items:center;padding:28px;background:#1a1a1ab8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.intro-video-dialog{width:min(960px,100%);max-height:calc(100vh - 56px);overflow:auto;padding:18px;border:1px solid rgba(215,211,201,.92);border-radius:18px;background:var(--paper);box-shadow:0 24px 70px #14140f47}.intro-video-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:2px 2px 15px}.intro-video-header h2{margin:0;font-size:clamp(18px,2.5vw,25px);line-height:1.28;letter-spacing:-.025em}.intro-video-close{width:40px;height:40px;display:grid;place-items:center;flex:0 0 auto;padding:0;border:1px solid var(--line);border-radius:50%;color:var(--ink);background:#fff;cursor:pointer}.intro-video-close:hover{border-color:#c7a32d;background:var(--yellow-soft)}.intro-video-close svg{width:18px;height:18px}.intro-video-stage{position:relative;overflow:hidden;aspect-ratio:16 / 9;border:1px solid #d8d2c5;border-radius:12px;background:#1a1a1a}.intro-video-player{display:block;width:100%;height:100%;object-fit:contain;background:#1a1a1a}.intro-video-play{position:absolute;left:50%;top:50%;min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 17px;border:1px solid var(--site-action-bg);border-radius:10px;color:var(--site-action-text);background:var(--site-action-bg);box-shadow:0 7px 20px #14140f33;font-size:12px;font-weight:750;cursor:pointer;transform:translate(-50%,-50%)}.intro-video-play:hover{background:#ffcc3a}.intro-video-play svg{width:17px;height:17px}.intro-video-error{position:absolute;inset:50% auto auto 50%;margin:0;padding:10px 14px;border-radius:9px;color:#fff;background:#14140fc7;font-size:12px;transform:translate(-50%,-50%);white-space:nowrap}.intro-video-description{margin:14px 2px 0;color:var(--gray);font-size:11px;line-height:1.6}@media(max-width:680px){.intro-video-backdrop{align-items:center;padding:max(12px,env(safe-area-inset-top)) 12px max(12px,env(safe-area-inset-bottom))}.intro-video-dialog{max-height:calc(100vh - 24px);padding:12px;border-radius:14px}.intro-video-header{padding-bottom:11px}.intro-video-header h2{font-size:18px}.intro-video-close{width:36px;height:36px}.intro-video-description{margin-top:10px;font-size:10px}}:is(.auth-page-dialog .auth-submit,.auth-page-dialog .code-field button,.site-button.primary,.intro-video-play):active:not(:disabled){color:var(--site-action-text);border-color:var(--site-action-active);background:var(--site-action-active)}.intro-video-play:hover:not(:disabled){color:var(--site-action-text);border-color:var(--site-action-hover);background:var(--site-action-hover)}html[data-theme=dark] :is(.prototype-home,.public-site,.public-header,.site-announcement-bar,.site-page,.download-page,.legal-page,.auth-backdrop,.auth-dialog,.intro-video-dialog){--public-canvas: var(--bg, #0b0b0b);--public-surface: var(--surface, #191919);--public-raised: var(--surface-subtle, #222);--public-input: var(--surface-input, #111);--public-line: var(--border, #343434);--public-focus: #929292;--public-text: var(--text, #eee);--public-soft: var(--text-soft, #bcbcbc);--public-muted: var(--text-faint, #929292);--public-primary: #eee;--public-on-primary: #161616;--public-danger: #f0a3a3;--public-warning: #e3c277;--public-success: #8bd8aa;--public-surface-translucent: rgb(25 25 25 / 92%);--public-line-translucent: rgb(255 255 255 / 12%);--public-soft-translucent: rgb(238 238 238 / 70%);--paper: var(--public-canvas);--paper-2: var(--public-raised);--white: var(--public-surface);--ink: var(--public-text);--ink-2: var(--public-soft);--soft: var(--public-soft);--muted: var(--public-muted);--gray: var(--public-muted);--faint: var(--public-muted);--line: var(--public-line);--wash: var(--public-raised);--green: var(--public-text);--yellow: var(--public-primary);--yellow-2: var(--public-primary);--yellow-soft: var(--public-raised);--yellow-border: var(--public-line);--site-surface: var(--public-surface);--auth-green-ink: var(--public-text);--auth-green-soft: var(--public-raised);--auth-green-border: var(--public-line);--shadow: 0 18px 55px rgb(0 0 0 / 28%);--sketch-shadow: 5px 6px 0 rgb(0 0 0 / 24%);color:var(--public-text);color-scheme:dark}html[data-theme=dark] :is(.prototype-home,.public-site,.site-page,.download-page,.legal-page){background:var(--public-canvas)}html[data-theme=dark] .prototype-home .hero-band{background:var(--public-canvas)}html[data-theme=dark] :is(.prototype-home,.public-site) :is(.site-button.yellow,.site-button.primary,.method-primary,.pm-button-primary){border-color:var(--public-primary);color:var(--public-on-primary);background:var(--public-primary)}html[data-theme=dark] :is(.prototype-home,.public-site) :is(.site-button.yellow,.site-button.primary,.method-primary,.pm-button-primary):hover{border-color:#fff;background:#fff}html[data-theme=dark] .prototype-home .site-button.secondary{border-color:var(--public-line);color:var(--public-text);background:var(--public-surface)}html[data-theme=dark] .prototype-home .site-button.secondary:hover{background:var(--public-raised)}html[data-theme=dark] .prototype-home :is(.hero-copy h1 .title-accent,.benefit-copy h2>span){color:var(--public-soft)}html[data-theme=dark] .prototype-home .title-accent:after{background:var(--public-line)}html[data-theme=dark] .prototype-home .map-step[aria-pressed=true]{color:var(--public-text);border-color:var(--public-text)}html[data-theme=dark] .prototype-home :is(.map-step>span:first-child,.case-heading>span:before){background:var(--public-line)}html[data-theme=dark] .prototype-home .map-step[aria-pressed=true]>span:first-child{color:var(--public-on-primary);background:var(--public-primary)}html[data-theme=dark] .prototype-home :is(.space-preview,.comparison-demo,.focus-case,.retention-case,.voice-card){box-shadow:0 16px 42px #0000002e}html[data-theme=dark] :is(.prototype-home,.public-site) :is(.review-line,.recall-curve,.spacing-curve){stroke:var(--public-text)}html[data-theme=dark] :is(.prototype-home,.public-site) :is(.forgetting-line,.reference-curve,.spacing-old-curve){stroke:#666}html[data-theme=dark] :is(.prototype-home,.public-site) :is(.retention-graph circle,.spacing-graph circle,.spacing-dot){fill:var(--public-text);stroke:var(--public-surface)}html[data-theme=dark] .auth-backdrop{background:#000000b8}html[data-theme=dark] .auth-page-dialog :is(.auth-panel,.auth-topbar){background:var(--public-canvas)}html[data-theme=dark] .auth-page-dialog .auth-story{color:var(--public-text);background:var(--public-surface)}html[data-theme=dark] .auth-page-dialog.login-page .story-copy{color:var(--public-text)}html[data-theme=dark] .auth-page-dialog.login-page .story-copy>small{color:var(--public-soft)}html[data-theme=dark] .auth-page-dialog .orbit-card{background:var(--public-raised)}html[data-theme=dark] .auth-page-dialog .auth-form input:not([type=checkbox]):focus{border-color:var(--public-focus);box-shadow:0 0 0 3px #eeeeee1a}html[data-theme=dark] .auth-page-dialog .auth-form input::placeholder{color:var(--public-muted)}html[data-theme=dark] .auth-page-dialog .auth-form input:-webkit-autofill{-webkit-text-fill-color:var(--public-text);-webkit-box-shadow:0 0 0 1000px var(--public-input) inset;caret-color:var(--public-text)}html[data-theme=dark] .auth-page-dialog .auth-method-tabs{background:var(--public-input)}html[data-theme=dark] .auth-page-dialog .auth-method-tabs button.is-active{background:var(--public-raised)}html[data-theme=dark] .auth-page-dialog .mini-bars i.active{background:var(--public-soft)}html[data-theme=dark] .intro-video-dialog{background:var(--public-surface);border-color:var(--public-line)}html[data-theme=dark] .intro-video-dialog>header{border-color:var(--public-line)}html[data-theme=dark] .intro-video-copy :is(h2,p){color:var(--public-text)}html[data-theme=dark] .prototype-home :is(.mean-unit,.mean-unit-middle,.concept-column>i,.average-column i){fill:#555;background:#555}html[data-theme=dark] .prototype-home :is(.mean-unit-extra,.mean-transfer rect,.concept-column:nth-child(2)>i){fill:var(--public-soft);background:var(--public-soft)}html[data-theme=dark] .prototype-home :is(.scene-progress i,.old-player-track>i,.lesson-preview-heading>span:before){background:var(--public-soft)}html[data-theme=dark] .prototype-home .scene-number-cell.is-current{fill:#444;stroke:var(--public-soft)}html[data-theme=dark] .prototype-home .mean-pointer path{fill:var(--public-text);stroke:var(--public-input)}html[data-theme=dark] .prototype-home .mean-click{fill:#eeeeee1f;stroke:var(--public-soft)}html[data-theme=dark] .download-page :is(.tablet-device small,.phone-device small){background:var(--public-surface)}#app{min-height:100%}button,input,textarea,select{font:inherit}button:disabled{cursor:not-allowed;opacity:.55}.button{gap:7px}.button svg,.icon-button svg,.nav-item svg,.mobile-nav svg{width:16px;height:16px}.route-loading{min-height:100vh;display:grid;place-items:center;color:var(--text-soft);background:var(--background)}.state-panel{min-height:280px;display:grid;place-items:center;padding:40px;border:1px solid var(--border);border-radius:8px;background:var(--surface);text-align:center}.state-panel>div{width:min(460px,100%)}.state-panel>div>svg{width:28px;height:28px;display:block;margin:0 auto 14px;color:var(--accent-ink)}.state-panel h2{margin-bottom:8px}.state-panel p{margin:0 0 18px;color:var(--text-soft);line-height:1.7}.state-panel .button{width:fit-content;margin-inline:auto}.state-panel.compact{min-height:180px}.inline-error{margin-top:10px;color:var(--danger);font-size:12px}.field-error{color:var(--danger);font-size:11px}.skeleton-line{height:12px;border-radius:4px;background:var(--surface-subtle);animation:skeleton 1.2s ease-in-out infinite alternate}@keyframes skeleton{to{opacity:.45}}.unavailable-banner{display:flex;align-items:center;gap:10px;margin-bottom:20px;padding:13px 16px;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:8px;background:var(--surface);color:var(--text-soft)}.unavailable-banner strong{color:var(--text)}.empty-list{padding:44px 20px;color:var(--text-soft);text-align:center}.auth-dialog .auth-error{min-height:18px}.auth-status-success{min-height:17px;margin:-4px 0 0;color:#397653;font-size:10px}.auth-submit{width:100%;justify-content:center}.auth-unavailable{padding:18px;border:1px solid var(--border);border-radius:8px;background:var(--surface-subtle);text-align:center}.auth-unavailable p{margin:8px 0 0;color:var(--text-soft)}.page-action-row{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:18px}.long-answer{min-height:180px!important;resize:vertical}.save-indicator.is-saving{color:var(--accent-ink)}.save-indicator.is-error{color:var(--danger)}.question-card-selected{border-color:var(--accent)!important}.preview-image{width:100%;height:100%;object-fit:contain;background:#e6e8eb}.preview-scroll{position:relative;display:flex;align-items:flex-start;justify-content:flex-start}.preview-zoom-content{position:relative;flex:0 0 auto;min-width:0;min-height:0;margin:auto}.preview-scroll>.state-panel{width:100%;height:100%}.preview-status-overlay{position:absolute;z-index:8;top:12px;right:12px;display:flex;align-items:center;gap:8px;padding:7px 9px;border:1px solid var(--border);border-radius:7px;color:var(--text-soft);background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:var(--shadow-sm);font-size:11px}.image-page-list{display:grid;grid-template-columns:repeat(6,minmax(80px,1fr));grid-auto-flow:row;gap:10px;overflow:visible;padding:0}.image-page-chip{position:relative;min-width:0;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--surface-subtle);text-align:left;overflow:hidden;transition:border-color .14s ease,box-shadow .14s ease,opacity .14s ease}.image-page-chip.is-dragging{opacity:.45}.image-page-chip.is-drop-target{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 20%,transparent)}.image-page-preview{position:relative;aspect-ratio:.72;margin:7px;overflow:hidden;border:1px solid var(--border);border-radius:3px;background:var(--surface);box-shadow:var(--shadow-sm)}.image-page-preview img{width:100%;height:100%;display:block;object-fit:contain;background:var(--surface)}.image-page-preview>.image-page-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.image-page-number{display:block;padding:5px 7px 7px;color:var(--text-faint);font:10px ui-monospace,SFMono-Regular,Menlo,monospace;text-align:center}.page-drag-handle{position:absolute;right:6px;top:6px;width:27px;height:27px;display:grid;place-items:center;padding:0;border:1px solid rgb(255 255 255 / 55%);border-radius:5px;color:#fff;background:#111827c2;cursor:grab}.page-drag-handle:active{cursor:grabbing}.page-drag-handle svg{width:15px;height:15px}.image-page-chip strong,.image-page-chip>small{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.image-page-chip .page-tools{position:absolute;z-index:2;top:5px;right:5px;display:grid;grid-template-columns:repeat(3,22px);gap:2px;margin:0;opacity:0;transition:opacity .12s ease}.image-page-chip:hover .page-tools,.image-page-chip:focus-within .page-tools{opacity:1}.image-page-chip .page-tools button{width:22px;height:22px;display:grid;place-items:center;padding:0;border:1px solid rgb(255 255 255 / 70%);border-radius:5px;color:var(--text);background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:var(--shadow-sm);cursor:pointer}.image-page-chip .page-tools button:hover:not(:disabled){border-color:var(--accent-border);color:var(--text);background:var(--accent-soft)}.image-page-chip .page-tools button:disabled{cursor:default;opacity:.4}.image-page-chip .page-tools button svg{width:12px;height:12px}.image-page-chip .page-tools button:last-child{color:var(--danger)}.recognition-panel>.upload-tip{margin-top:22px}@media(max-width:680px){.image-page-list{grid-template-columns:repeat(3,minmax(72px,1fr));gap:8px}}.upload-panel .upload-dropzone{width:100%}.upload-panel .upload-dropzone>div{width:min(620px,100%)}.upload-panel .upload-dropzone .button{width:min(420px,100%);margin-inline:auto;justify-content:center}.upload-panel .upload-dropzone:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 35%,transparent);outline-offset:3px}.correction-shell{height:clamp(620px,calc(100vh - 260px),820px);min-height:620px}.subject-correction-strip{display:grid;grid-template-columns:minmax(180px,.7fr) minmax(360px,auto) minmax(260px,1fr);align-items:center;gap:14px 22px;margin-bottom:12px;padding:12px 14px;border-block:1px solid var(--border);background:var(--surface-subtle)}.subject-correction-main,.subject-correction-control,.subject-correction-strip>p{min-width:0;display:flex;align-items:center}.subject-correction-main{gap:10px}.subject-correction-main>svg{width:21px;height:21px;flex:0 0 auto;color:var(--accent-ink)}.subject-correction-main span,.subject-correction-main strong{display:block}.subject-correction-main span{margin-bottom:2px;color:var(--text-faint);font-size:9px}.subject-correction-main strong{overflow-wrap:anywhere;font-size:13px}.subject-correction-control{gap:8px}.subject-correction-control>label{color:var(--text-soft);font-size:10px;font-weight:600}.subject-correction-control>select{width:176px;min-width:0;height:36px;padding:0 30px 0 10px;border:1px solid var(--border-strong);border-radius:7px;color:var(--text);background:var(--surface);font:inherit;font-size:11px}.subject-correction-control>select:focus{outline:2px solid color-mix(in srgb,var(--accent) 42%,transparent);outline-offset:1px}.subject-save-state{flex:0 0 auto;padding:4px 7px;border-radius:6px;color:var(--success);background:var(--success-soft);font-size:9px;font-weight:650;white-space:nowrap}.subject-save-state.is-pending{color:var(--warning);background:var(--warning-soft)}.subject-correction-strip>p{gap:7px;margin:0;color:var(--text-soft);font-size:10px;line-height:1.55}.subject-correction-strip>p svg{width:15px;height:15px;flex:0 0 auto;color:var(--warning)}.knowledge-coverage-strip{min-width:0;display:grid;grid-template-columns:minmax(150px,auto) minmax(260px,1fr) auto;align-items:center;gap:12px 20px;margin-bottom:12px;padding:11px 14px;border:1px solid var(--warning-border);border-radius:8px;background:var(--warning-soft)}.knowledge-coverage-strip.is-complete{border-color:var(--success-border);background:var(--success-soft)}.knowledge-coverage-main{min-width:0;display:flex;align-items:center;gap:10px}.knowledge-coverage-main>svg{width:20px;height:20px;flex:0 0 auto;color:var(--warning)}.knowledge-coverage-strip.is-complete .knowledge-coverage-main>svg{color:var(--success)}.knowledge-coverage-main span,.knowledge-coverage-main strong{display:block}.knowledge-coverage-main span{margin-bottom:2px;color:var(--text-faint);font-size:9px}.knowledge-coverage-main strong{font-size:13px}.knowledge-coverage-strip>p{min-width:0;margin:0;color:var(--text-soft);font-size:10px;line-height:1.55}.knowledge-coverage-strip>.button{justify-self:end;white-space:nowrap}@media(min-width:761px)and (max-width:1120px){.subject-correction-strip{grid-template-columns:minmax(180px,1fr) auto}.subject-correction-strip>p{grid-column:1 / -1}.knowledge-coverage-strip{grid-template-columns:minmax(150px,auto) minmax(240px,1fr)}.knowledge-coverage-strip>.button{grid-column:2}}@media(min-width:901px)and (max-width:1064px){.correction-shell{height:auto;min-height:0;grid-template-columns:1fr}.correction-shell .source-pane{min-height:520px;max-height:620px;border-right:0;border-bottom:1px solid var(--border)}.correction-shell .editor-pane{min-height:600px}.correction-shell .editor-content{overflow:visible}}.correction-shell .source-pane,.correction-shell .editor-pane,.correction-shell .pdf-canvas,.correction-shell .editor-content{min-height:0}.correction-shell .editor-pane{background:var(--surface)}.correction-shell .pane-toolbar{flex:0 0 auto;flex-wrap:wrap;gap:7px 10px}.correction-shell .no-source-page{min-height:100%;display:grid;place-content:center;justify-items:center;gap:8px;padding:28px;color:var(--text-soft);background:var(--surface-subtle);text-align:center}.correction-shell .no-source-page svg{width:28px;height:28px;color:var(--text-faint)}.correction-shell .no-source-page strong{color:var(--text);font-size:14px}.correction-shell .no-source-page span{max-width:280px;font-size:11px;line-height:1.7}.correction-shell .editor-toolbar{flex:0 0 auto;flex-wrap:wrap;gap:8px 12px}.correction-shell .question-jump{min-width:0;flex:1 1 370px}.editor-toolbar-actions{display:flex;align-items:center;justify-content:flex-end;flex:0 0 auto;flex-wrap:wrap;gap:9px;margin-left:auto}.editor-toolbar-actions .button,.editor-toolbar-actions .confidence{flex:0 0 auto;white-space:nowrap}.question-direct-select{width:134px;height:32px;min-width:0;padding:0 28px 0 9px;border:1px solid var(--border);border-radius:6px;color:var(--text);background:var(--surface);font-size:11px;cursor:pointer}.question-direct-select:focus{outline:2px solid color-mix(in srgb,var(--accent) 42%,transparent);outline-offset:1px}.problem-jump-button{min-width:94px;flex:0 0 auto;justify-content:center;white-space:nowrap}.problem-jump-button svg{color:var(--warning)}.correction-shell .editor-section-head h3{font-size:14px}.correction-shell .editor-section-head span{padding:4px 7px;border-radius:6px;background:var(--surface-subtle)}.correction-shell .editor-section>.field+.field,.correction-shell .options-editor+.field{margin-top:16px}.correction-shell .question-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-binding-list{display:grid;gap:8px}.knowledge-binding-row{min-width:0;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:11px 12px;border:1px solid var(--border);border-left:3px solid var(--border-strong);border-radius:7px;background:var(--surface-raised)}.knowledge-binding-row.is-primary{border-left-color:var(--accent);background:color-mix(in srgb,var(--accent-soft) 42%,var(--surface))}.knowledge-binding-main{min-width:0}.knowledge-binding-title{min-width:0;display:flex;align-items:center;flex-wrap:wrap;gap:6px}.knowledge-binding-title>svg{width:15px;height:15px;flex:0 0 auto;color:var(--accent-ink)}.knowledge-binding-title>strong{min-width:0;overflow-wrap:anywhere;font-size:12px}.knowledge-primary-label{display:inline-flex;align-items:center;gap:3px;padding:2px 6px;border-radius:5px;color:var(--accent-ink);background:var(--accent-soft);font-size:9px;font-weight:650}.knowledge-primary-label svg{width:10px;height:10px;fill:currentColor}.knowledge-binding-main>p{margin:4px 0 0;color:var(--text-soft);overflow-wrap:anywhere;font-size:10px;line-height:1.5}.knowledge-binding-main>small{display:block;margin-top:5px;color:var(--text-faint);font-size:9px;line-height:1.5}.knowledge-binding-meta{display:flex;align-items:center;flex-wrap:wrap;gap:5px 10px;margin-top:6px;color:var(--text-faint);font-size:9px}.knowledge-binding-actions{display:flex;align-items:center;gap:6px}.knowledge-binding-empty{display:flex;align-items:center;gap:8px;padding:11px 12px;border:1px dashed var(--border-strong);border-radius:7px;color:var(--text-soft);background:var(--surface-subtle);font-size:10px;line-height:1.55}.knowledge-binding-empty svg{width:16px;height:16px;flex:0 0 auto;color:var(--text-faint)}.knowledge-binding-section.is-subject-stale .knowledge-binding-list,.knowledge-binding-section.is-subject-stale .knowledge-binding-empty{opacity:.56}.knowledge-subject-pending{display:flex;align-items:center;gap:7px;margin:10px 0 0;padding:9px 10px;border:1px solid var(--warning-border);border-radius:7px;color:var(--text-soft);background:var(--warning-soft);font-size:10px;line-height:1.5}.knowledge-subject-pending svg{width:14px;height:14px;flex:0 0 auto;color:var(--warning)}.knowledge-search{position:relative;margin-top:12px}.knowledge-search>label{display:block;margin-bottom:6px;color:var(--text-soft);font-size:10px}.knowledge-search-input{position:relative}.knowledge-search-input>svg{position:absolute;left:10px;top:50%;width:15px;height:15px;color:var(--text-faint);transform:translateY(-50%);pointer-events:none}.knowledge-search-input input{width:100%;height:38px;padding:8px 10px 8px 34px;border:1px solid var(--border);border-radius:7px;color:var(--text);background:var(--surface-raised)}.knowledge-search-input input:focus{border-color:var(--accent);outline:2px solid color-mix(in srgb,var(--accent) 20%,transparent)}.knowledge-search-results{position:relative;z-index:2;display:grid;max-height:220px;overflow-y:auto;margin-top:6px;border:1px solid var(--border);border-radius:7px;background:var(--surface);box-shadow:var(--shadow-md)}.knowledge-search-results>button{min-width:0;display:grid;grid-template-columns:minmax(0,1fr) 20px;align-items:center;gap:10px;padding:9px 11px;border:0;border-bottom:1px solid var(--border);color:var(--text);background:transparent;text-align:left;cursor:pointer}.knowledge-search-results>button:last-child{border-bottom:0}.knowledge-search-results>button:hover{background:var(--accent-soft)}.knowledge-search-results span{min-width:0;display:grid;gap:3px}.knowledge-search-results strong{font-size:11px}.knowledge-search-results small{overflow:hidden;color:var(--text-faint);font-size:9px;text-overflow:ellipsis;white-space:nowrap}.knowledge-search-results svg{width:15px;height:15px;justify-self:end;color:var(--accent-ink)}.knowledge-search-empty{margin:7px 0 0;color:var(--text-faint);font-size:9px}.option-edit-row{display:grid;grid-template-columns:42px minmax(0,1fr) 66px;align-items:center;gap:9px}.answer-radio{width:42px;height:42px;display:grid;place-items:center;padding:0;border:1px solid var(--border-strong);border-radius:8px;color:var(--text-soft);background:var(--surface);cursor:pointer;font:650 12px ui-monospace,SFMono-Regular,Menlo,monospace}.answer-radio:hover{border-color:var(--accent);background:var(--accent-soft)}.answer-radio.is-selected{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg);box-shadow:inset 0 0 0 1px color-mix(in srgb,#111827 16%,transparent)}.option-edit-row input{min-width:0;width:100%;height:42px;padding:9px 11px;border:1px solid var(--border);border-radius:8px;color:var(--text);background:var(--surface-raised)}.option-edit-row:has(.answer-radio.is-selected) input{border-color:var(--accent-border);background:var(--accent-soft)}.option-edit-actions{display:grid;grid-template-columns:repeat(2,30px);gap:6px}.option-delete-button:hover{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 42%,var(--border));background:color-mix(in srgb,var(--danger) 6%,var(--surface))}.add-option-button{justify-self:start;margin-top:3px}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important}.source-page-navigation{min-width:0;display:flex;align-items:center;gap:5px}.source-view-switch{height:30px;display:flex;align-items:stretch;overflow:hidden;flex:0 0 auto;border:1px solid var(--border);border-radius:7px;background:var(--surface-subtle)}.source-view-switch>button{min-width:88px;display:inline-flex;align-items:center;justify-content:center;gap:5px;padding:0 9px;border:0;border-right:1px solid var(--border);color:var(--text-soft);background:transparent;font-size:9px;font-weight:600;cursor:pointer}.source-view-switch>button:last-child{border-right:0}.source-view-switch>button:hover:not(:disabled){color:var(--text);background:var(--surface)}.source-view-switch>button.is-active{color:var(--text);background:var(--surface);box-shadow:inset 0 -2px 0 var(--accent)}.source-view-switch>button:disabled{cursor:default;opacity:.4}.source-view-switch svg{width:13px;height:13px}.source-page-navigation>span{flex:0 0 auto;color:var(--text-faint);font-size:10px;white-space:nowrap}.source-page-select{width:112px;height:30px;min-width:0;padding:0 24px 0 8px;border:1px solid var(--border);border-radius:6px;color:var(--text);background:var(--surface);font-size:10px;cursor:pointer}.source-page-select:focus{outline:2px solid color-mix(in srgb,var(--accent) 42%,transparent);outline-offset:1px}.source-page-navigation .tool-button{flex:0 0 30px;border-color:var(--border)}.source-tools,.field-label-row{display:flex;align-items:center;gap:7px}.source-tools{margin-left:auto}.preview-zoom-controls{height:30px;display:flex;align-items:stretch;overflow:hidden;flex:0 0 auto;border:1px solid var(--border);border-radius:7px;background:var(--surface)}.preview-zoom-controls .tool-button{width:29px;height:28px;border:0;border-radius:0}.preview-zoom-controls .tool-button:disabled,.preview-zoom-value:disabled{cursor:default;opacity:.45}.preview-zoom-value{width:43px;padding:0;border:0;border-right:1px solid var(--border);border-left:1px solid var(--border);color:var(--text-soft);background:var(--surface);cursor:pointer;font:9px ui-monospace,SFMono-Regular,Menlo,monospace}.preview-zoom-value:not(:disabled):hover{color:var(--text);background:var(--surface-subtle)}.manual-crop-button{min-width:88px;justify-content:center;white-space:nowrap}.manual-crop-button.is-active{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}.field-label-row{justify-content:space-between;margin-bottom:6px}.field-label-row label{margin:0}.inline-icon-button{width:30px;height:30px;display:grid;place-items:center;flex:0 0 auto;padding:0;border:1px solid var(--border);border-radius:6px;color:var(--text-soft);background:var(--surface);cursor:pointer}.inline-icon-button:hover{color:var(--text);border-color:var(--accent-border);background:var(--accent-soft)}.inline-icon-button svg{width:15px;height:15px}.crop-stage{position:relative;touch-action:pan-x pan-y}.crop-stage.is-cropping{cursor:crosshair;touch-action:none;-webkit-user-select:none;user-select:none}.crop-stage.is-cropping .preview-image{pointer-events:none}.source-region-overlay{position:absolute;z-index:1;border:3px solid #f0b429;border-radius:3px;background:#ffd54a1a;box-shadow:0 0 0 9999px #1c1f231c,0 0 0 1px #ffffffd1 inset;pointer-events:none}.source-region-overlay.is-low-confidence{border-style:dashed;border-color:var(--warning)}.source-region-overlay>span{position:absolute;top:-25px;left:-3px;padding:3px 7px;border-radius:5px 5px 5px 0;color:#25210e;background:#f0b429;box-shadow:var(--shadow-sm);font-size:9px;font-weight:700;white-space:nowrap}.source-location-empty{min-height:0;height:100%;display:grid;place-content:center;justify-items:center;gap:8px;padding:28px;color:var(--text-soft);background:#e7e6e1;text-align:center}.source-location-empty>svg{width:30px;height:30px;color:var(--text-faint)}.source-location-empty strong{color:var(--text);font-size:13px}.source-location-empty span{max-width:280px;font-size:10px;line-height:1.65}.crop-guidance{position:absolute;top:16px;left:50%;z-index:3;width:max-content;max-width:calc(100% - 32px);display:grid;grid-template-columns:24px minmax(0,1fr);align-items:center;gap:1px 9px;transform:translate(-50%);padding:10px 13px;border:1px solid var(--accent);border-radius:7px;color:var(--text);background:color-mix(in srgb,var(--surface) 94%,var(--accent));box-shadow:var(--shadow-md);pointer-events:none}.crop-guidance>svg{grid-row:1 / 3;width:20px;height:20px;color:var(--accent-ink)}.crop-guidance strong{font-size:12px}.crop-guidance span{color:var(--text-muted);font-size:10px}.source-location-guidance{border-color:var(--border-strong);background:color-mix(in srgb,var(--surface) 96%,transparent)}.source-location-guidance>svg{color:var(--text-muted)}.crop-selection{position:absolute;z-index:2;border:2px solid #0066cc;background:#0066cc1f;box-shadow:0 0 0 9999px #14192047;pointer-events:none}.rich-text{min-width:0;overflow-wrap:anywhere;line-height:1.7}.rich-text .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden;margin:10px 0}.rich-preview{min-height:48px;margin-top:7px;padding:10px 12px;border:1px solid var(--border);border-radius:7px;background:var(--surface-subtle);font-size:12px}.option-previews{display:grid;gap:6px;margin-top:9px}.option-previews>div{display:grid;grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:8px;min-height:46px;padding:8px 10px;border:1px solid transparent;border-radius:6px;background:var(--surface-subtle);font-size:11px}.option-previews>div.is-correct{border-color:var(--accent-border);background:var(--accent-soft)}.option-previews>div.is-correct>strong{width:24px;height:24px;display:grid;place-items:center;border-radius:6px;color:var(--site-action-text);background:var(--site-action-bg)}.correct-option-label{color:var(--accent-ink);font-size:10px;font-weight:650;white-space:nowrap}.question-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0}.question-summary>div{min-width:0;padding:10px 12px;border-radius:7px;background:var(--surface-subtle)}.question-summary dt{margin-bottom:4px;color:var(--text-muted);font-size:10px}.question-summary dd{margin:0;overflow-wrap:anywhere;color:var(--text);font-size:12px;font-weight:650}.question-readonly-block{min-height:52px;padding:12px 14px;border:1px solid var(--border);border-radius:7px;background:var(--surface);font-size:13px}.readonly-answer{display:grid;gap:7px;margin-top:16px;padding:12px 14px;border-left:3px solid var(--border-strong);background:var(--surface-subtle)}.readonly-answer>span:first-child{color:var(--text-muted);font-size:10px;font-weight:650}.readonly-meta{margin-top:9px;color:var(--text-muted);font-size:11px}.content-placeholder{color:var(--text-faint);font-size:11px}.question-assets{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,260px));gap:10px;width:100%;margin:12px 0 16px}.question-asset-image{width:100%;aspect-ratio:4 / 3;display:grid;place-items:center;overflow:hidden;border:1px solid var(--border);border-radius:7px;background:#f4f5f7}.question-asset-image img{width:100%;height:100%;object-fit:contain}.question-asset-image>svg{width:22px;height:22px;color:var(--text-faint)}.asset-spinner{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.editor-assets{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}.editor-asset{position:relative;min-width:0}.editor-asset-label{display:block;margin-top:6px;overflow:hidden;color:var(--text-muted);font-size:12px;line-height:1.4;text-overflow:ellipsis;white-space:nowrap}.asset-delete{position:absolute;top:6px;right:6px;width:30px;height:30px;display:grid;place-items:center;padding:0;border:1px solid rgba(255,255,255,.8);border-radius:6px;color:#fff;background:#181c22c2;cursor:pointer}.asset-delete svg{width:15px;height:15px}.asset-reupload-required{display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:11px;min-height:68px;margin:12px 0 16px;padding:11px 12px;border:1px solid color-mix(in srgb,var(--danger) 38%,var(--border));border-radius:7px;background:color-mix(in srgb,var(--danger) 5%,var(--surface))}.asset-reupload-required>svg{width:20px;height:20px;justify-self:center;color:var(--danger)}.asset-reupload-required strong,.asset-reupload-required span{display:block}.asset-reupload-required strong{margin-bottom:3px;font-size:12px}.asset-reupload-required span{color:var(--text-muted);font-size:10px}.asset-reupload-required .button{white-space:nowrap}.asset-reupload-actions{display:flex;align-items:center;gap:7px}.asset-reupload-actions .manual-crop-cta{border-color:var(--accent-border);background:var(--accent-soft)}.rich-explanation{margin-top:12px}.rich-explanation>strong{display:block;margin-bottom:4px}.mistake-stem{margin:8px 0 4px;font-size:14px;font-weight:650}.paper-option .rich-text{flex:1}.mode-feature-pills{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}.mode-feature-pills span{padding:4px 6px;border-radius:99px;color:var(--accent-ink);background:var(--accent-soft);font-size:8px;font-weight:600}.mode-select .mode-option{text-align:left}.mode-select .mode-option h3{margin:0 0 7px;font-size:14px}.mode-option>small{display:block;margin-top:10px;color:var(--text-faint);font-size:9px}.exam-setup .status-pill{font-size:10px}.exam-setup .exam-detail h1{font-size:29px}.exam-setup .exam-detail>p{font-size:13px;line-height:1.5}.exam-setup .detail-chips span{font-size:11px}.exam-setup .mode-select .mode-option h3{font-size:16px}.exam-setup .mode-option p{font-size:12px;line-height:1.65}.exam-setup .mode-feature-pills span{font-size:10px}.exam-setup .mode-option>small{font-size:11px;line-height:1.45}.exam-setup .mode-check{width:22px;height:22px;flex:0 0 22px;border-width:1.5px}.exam-setup .mode-check svg{width:13px;height:13px;stroke-width:3}.setup-practice-preview{display:grid;gap:12px;margin:0 26px 22px;padding:14px;border:1px solid var(--accent-border);border-radius:11px;background:var(--accent-soft)}.setup-practice-preview>div{display:grid;align-content:center;gap:5px}.setup-practice-preview>div span{display:flex;align-items:center;gap:6px;color:var(--accent-ink);font-size:9px;font-weight:650}.setup-practice-preview>div span svg{width:14px;height:14px}.setup-practice-preview>div strong{font-size:10px;line-height:1.5}.exam-setup .setup-practice-preview>div span{font-size:11px}.exam-setup .setup-practice-preview>div strong{font-size:12px}.exam-setup .detail-chips{margin-top:2px}.exam-setup .detail-chips span{white-space:nowrap}.exam-setup .detail-chips svg{width:12px;height:12px}.setup-settings{padding-top:0}.setup-settings .setting-box>svg{width:18px;height:18px;color:var(--accent-ink)}.exam-setup .setting-box span{font-size:11px}.exam-setup .setting-box strong{font-size:13px}.exam-setup .duration-control span{font-size:12px}.setup-footer{min-height:68px}.setup-footer .button svg{width:15px;height:15px}.exam-setup .setup-footer p{font-size:11px;line-height:1.55}.exam-daily-quota{margin-top:0}.paper-exam-room .exam-topbar{min-height:64px;border-bottom:1px solid var(--border);box-shadow:none}.paper-exam-room .exam-title-copy span b{padding:0;color:var(--text-faint);background:transparent;font-weight:600}.paper-exam-room .exam-candidate{margin-left:auto}.paper-exam-room .exam-status{margin-left:0}.paper-exam-room .paper-mode-pill{color:var(--text-soft);background:var(--surface-subtle)}.paper-exam-room .paper-mode-pill svg{width:13px;height:13px}.paper-exam-room .paper-view-count{color:var(--text-soft);font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.paper-exam-room .paper-view-toolbar,.paper-exam-room .real-exam-paper,.paper-exam-room .paper-pagination{width:min(840px,100%)}.paper-exam-room .paper-question.is-current{border-left-color:var(--accent);background:#fff}.paper-exam-room .answer-sheet-header{background:var(--surface)}.paper-exam-room .answer-sheet-header span{color:var(--text-faint)}.paper-exam-room .answer-sheet-header h2{color:var(--text)}.paper-exam-room .answer-section.is-current-section{border-color:var(--border);background:var(--surface)}.mode-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:24px 26px 18px}.mode-options>button{position:relative;min-width:0;display:grid;grid-template-columns:42px minmax(0,1fr);align-items:start;gap:12px;padding:17px;border:1px solid var(--border);border-radius:8px;color:var(--text);background:var(--surface-raised);cursor:pointer;text-align:left}.mode-options>button:after{content:"";position:absolute;right:14px;top:14px;width:17px;height:17px;border:1px solid var(--border-strong);border-radius:50%;background:var(--surface)}.mode-options>button.is-active{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}.mode-options>button.is-active:after{content:"✓";display:grid;place-items:center;color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg);font-size:10px;font-weight:700}.mode-options>button>span{width:42px;height:42px;display:grid;place-items:center;border-radius:8px;color:var(--accent-ink);background:var(--accent-soft)}.mode-options>button>span svg{width:19px;height:19px}.mode-options>button>div{min-width:0;padding-right:22px}.mode-options strong{display:block;margin-bottom:5px;font-size:14px}.mode-options p{margin:0;color:var(--text-soft);font-size:11px;line-height:1.65}.exam-daily-quota{display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:11px;margin:0 26px 16px;padding:12px 14px;border:1px solid var(--accent-border);border-radius:8px;background:var(--accent-soft)}.exam-daily-quota.is-exhausted{border-color:color-mix(in srgb,var(--danger) 35%,var(--border));background:color-mix(in srgb,var(--danger) 6%,var(--surface))}.exam-daily-quota>svg{width:20px;height:20px;justify-self:center;color:var(--accent-ink)}.exam-daily-quota.is-exhausted>svg{color:var(--danger)}.exam-daily-quota>div{min-width:0;display:grid;gap:2px}.exam-daily-quota span,.exam-daily-quota small{color:var(--text-faint);font-size:10px;line-height:1.45}.exam-daily-quota strong{overflow-wrap:anywhere;font-size:13px}.exam-daily-quota a,.exam-daily-quota button{display:inline-flex;align-items:center;gap:5px;padding:7px 8px;border:0;border-radius:6px;color:var(--text);background:var(--surface);cursor:pointer;font-size:10px;font-weight:650;text-decoration:none;white-space:nowrap}.exam-daily-quota button:disabled{cursor:wait;opacity:.6}.exam-daily-quota button svg{width:13px;height:13px}.duration-setting{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 26px 16px;padding:15px 16px;border-radius:8px;background:var(--surface-subtle)}.duration-setting>div:first-child{min-width:0;display:flex;align-items:center;gap:10px}.duration-setting>div:first-child>svg{width:20px;height:20px;flex:0 0 auto;color:var(--accent-ink)}.duration-setting span strong,.duration-setting span small{display:block}.duration-setting span strong{margin-bottom:3px;font-size:12px}.duration-setting span small{color:var(--text-faint);font-size:9px}.stepper-input{display:grid;grid-template-columns:34px minmax(84px,auto) 34px;align-items:center;gap:6px}.stepper-input button{width:34px;height:34px;display:grid;place-items:center;padding:0;border:1px solid var(--border);border-radius:7px;color:var(--text);background:var(--surface);cursor:pointer;font-size:18px}.stepper-input strong{font:650 12px ui-monospace,SFMono-Regular,Menlo,monospace;text-align:center}.exam-rules{margin:0 26px 24px;padding:15px 16px;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:8px;background:var(--surface)}.exam-rules h3{margin:0 0 9px;font-size:12px}.exam-rules ul{display:grid;gap:6px;margin:0;padding-left:18px;color:var(--text-soft);font-size:10px;line-height:1.55}.exam-setup-card>.inline-error{margin:0 26px 12px}.exam-setup-card>.panel-footer{padding:16px 26px}.exam-answer-textarea{width:100%;min-height:220px;padding:14px;border:1px solid var(--border);border-radius:8px;color:var(--text);background:var(--surface);font-size:16px;line-height:1.8;resize:vertical}.math-answer-upload{display:grid;gap:13px;padding-top:4px}.math-answer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 14px;border:1px dashed var(--border-strong);border-radius:8px;background:var(--surface-subtle)}.math-answer-toolbar strong,.math-answer-toolbar span{display:block}.math-answer-toolbar strong{margin-bottom:3px;font-size:13px}.math-answer-toolbar span{color:var(--text-soft);font-size:10px}.answer-asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.answer-asset-item{position:relative;min-width:0;overflow:hidden;border:1px solid var(--border);border-radius:7px;background:var(--surface-subtle)}.answer-asset-image{aspect-ratio:4 / 3;display:grid;place-items:center;overflow:hidden;color:var(--text-faint);background:#f4f5f7}.answer-asset-image>img{width:100%;height:100%;display:block;object-fit:contain}.answer-asset-image>svg{width:24px;height:24px}.answer-asset-item>span{position:absolute;left:7px;bottom:7px;min-width:22px;height:22px;display:grid;place-items:center;padding:0 6px;border-radius:6px;color:#fff;background:#111827c7;font:650 10px/1 Arial,sans-serif}.answer-asset-item>button{position:absolute;top:7px;right:7px;width:30px;height:30px;display:grid;place-items:center;padding:0;border:1px solid rgba(255,255,255,.72);border-radius:6px;color:#fff;background:#111827c7;cursor:pointer}.answer-asset-item>button:disabled{cursor:wait;opacity:.7}.answer-asset-item>button svg{width:15px;height:15px}.answer-upload-progress{display:grid;gap:7px;padding:11px 12px;border:1px solid var(--accent-border);border-radius:7px;background:var(--accent-soft)}.answer-upload-progress>div{display:grid;grid-template-columns:18px minmax(0,1fr) auto;align-items:center;gap:8px;font-size:11px}.answer-upload-progress svg{width:16px;height:16px;color:var(--accent-ink);animation:spin 1s linear infinite}.answer-upload-progress strong{font:650 11px ui-monospace,SFMono-Regular,Menlo,monospace}.answer-upload-progress progress{width:100%;height:7px;overflow:hidden;border:0;border-radius:99px;accent-color:var(--accent)}.math-latex-editor{display:grid;gap:13px;padding-top:4px}.math-image-dropzone{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px;border:1px dashed var(--border-strong);border-radius:8px;background:var(--surface-subtle);transition:border-color .15s ease,background .15s ease}.math-image-dropzone.is-dragging{border-color:var(--accent);background:var(--accent-soft)}.math-image-dropzone>div{min-width:0;display:flex;align-items:center;gap:11px}.math-image-dropzone>div>svg{width:22px;height:22px;flex:0 0 auto;color:var(--accent-ink)}.math-image-dropzone span,.math-image-dropzone strong,.math-image-dropzone small{display:block}.math-image-dropzone strong{margin-bottom:4px;font-size:13px}.math-image-dropzone small{color:var(--text-soft);font-size:10px;line-height:1.5}.latex-recognition-status{display:grid;grid-template-columns:minmax(0,1fr);align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--border);border-radius:7px;color:var(--text-soft);background:var(--surface-subtle);font-size:11px}.latex-recognition-status.is-active{grid-template-columns:18px minmax(0,1fr) auto;border-color:var(--accent-border);color:var(--text);background:var(--accent-soft)}.latex-recognition-status.is-succeeded{border-color:#86b999;color:#185c35;background:#f1f8f3}.latex-recognition-status.is-failed{border-color:#e2aaa6;color:var(--danger);background:#fff5f4}.latex-recognition-status>svg{width:16px;height:16px;color:var(--accent-ink);animation:spin 1s linear infinite}.latex-recognition-status>strong{font:650 10px ui-monospace,SFMono-Regular,Menlo,monospace}.latex-recognition-status progress{grid-column:1 / -1;width:100%;height:7px;accent-color:var(--accent)}.latex-editor-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.latex-editor-toolbar>span{margin-right:2px;color:var(--text-soft);font-size:10px;font-weight:650}.latex-editor-toolbar button{min-height:31px;padding:5px 9px;border:1px solid var(--border);border-radius:6px;color:var(--text);background:var(--surface);cursor:pointer;font-size:10px}.latex-editor-toolbar button:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}.latex-editor-toolbar button:disabled{cursor:not-allowed;opacity:.5}.latex-editor-toolbar .latex-clear-button{margin-left:auto;color:var(--danger)}.latex-editor-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.latex-editor-grid>label,.latex-preview{min-width:0;display:grid;align-content:start;gap:7px}.latex-editor-grid>label>span,.latex-preview>span{color:var(--text-soft);font-size:10px;font-weight:650}.latex-source-input{min-height:190px;font:13px/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.latex-preview{min-height:220px;overflow:auto;padding:14px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.latex-preview .rich-text{min-width:0;overflow-x:auto;font-size:16px}.latex-preview>p{margin:auto;color:var(--text-faint);font-size:11px;text-align:center}.answer-sheet-groups{display:grid;gap:15px}.answer-sheet-group{min-width:0;padding-top:13px;border-top:1px solid var(--border)}.answer-sheet-group:first-child{padding-top:0;border-top:0}.answer-sheet-group h3{margin:0 0 9px;color:var(--text);font-size:11px;line-height:1.45}.answer-cell{position:relative}.answer-cell.is-recognizing{border-color:#0f766e}.answer-cell.is-recognition-failed{border-color:var(--danger)}.answer-recognition-indicator{position:absolute;right:3px;bottom:3px;width:10px;height:10px;pointer-events:none}.answer-cell.is-recognizing .answer-recognition-indicator{color:#0f766e;animation:spin 1s linear infinite}.answer-cell.is-recognition-succeeded .answer-recognition-indicator{color:#15803d}.answer-cell.is-recognition-failed .answer-recognition-indicator{color:var(--danger)}.answer-legend .legend-recognition{width:10px;height:10px;flex:0 0 auto}.answer-legend .legend-recognition.is-active{color:#0f766e;animation:spin 1s linear infinite}.answer-legend .legend-recognition.is-succeeded{color:#15803d}.answer-legend .legend-recognition.is-failed{color:var(--danger)}.result-answer-assets{max-width:620px}.result-hint-usage{margin:0 0 18px;padding:16px 18px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.result-hint-usage-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:12px}.result-hint-usage-heading h2{margin:3px 0 0;font-size:17px}.result-hint-usage-heading>span{color:var(--text-soft);font-size:11px}.result-hint-usage-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.result-hint-usage-list article{display:grid;gap:4px;padding:10px 12px;border-radius:6px;background:var(--surface-subtle)}.result-hint-usage-list strong{font-size:12px}.result-hint-usage-list span,.result-hint-usage-list small{color:var(--text-soft);font-size:10px}.exam-option-button{width:100%;text-align:left}.paper-exam-room .paper-question{padding:18px 20px 22px}.paper-exam-room .paper-question-head{position:static;display:grid;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:10px;margin-bottom:12px}.paper-exam-room .paper-question-head>span:nth-child(2){color:#616773;font:600 13px/1.4 Arial,sans-serif}.paper-exam-room .paper-question-number{width:auto;min-width:27px;padding:0 7px;border-radius:999px;white-space:nowrap}.paper-exam-room .paper-mark-button{position:static;justify-self:end}.paper-exam-room .paper-question-text{margin:0 0 16px;padding-right:0;font-size:16px;line-height:1.75}.paper-exam-room .paper-option{min-height:44px;padding:9px 11px;font-size:15px;line-height:1.6}.paper-exam-room .paper-choice{width:25px;height:25px;font-size:11px}.paper-exam-room .paper-view-toolbar{gap:10px}.click-word-hint{display:inline-flex;align-items:center;gap:4px;margin-left:auto;color:#617086;white-space:nowrap;font-size:8px;font-weight:650}.click-word-hint svg{width:11px;height:11px}.inline-translation-toggle{min-height:28px;display:inline-flex;align-items:center;gap:5px;padding:5px 8px;border:1px solid #decf8f;border-radius:7px;color:#63531a;background:#fffdf5;cursor:pointer;white-space:nowrap;font-size:8px;font-weight:700}.paper-exam-room .paper-view-toolbar .inline-translation-toggle{width:auto;height:auto;flex:0 0 auto}.inline-translation-toggle svg{width:12px;height:12px}.inline-translation-toggle.is-active{color:#6a5300;border-color:#e0c75d;background:#fff8d7}.question-assist{display:grid;gap:7px;margin:-2px 0 10px;font-family:Arial,PingFang SC,sans-serif}.layered-question-assist{grid-template-columns:minmax(0,1fr)}.question-hint-trigger{width:max-content;min-height:34px;display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid #ccd6de;border-radius:7px;color:#405365;background:#f4f7f9;cursor:pointer;font-size:12px;font-weight:700}.question-hint-trigger:hover:not(:disabled):not(.is-opened){border-color:#9cadba;background:#edf3f6}.question-hint-trigger:disabled{cursor:default;opacity:1}.question-hint-trigger:disabled:not(.is-opened){color:#8a8172;border-color:#ddd6ca;background:#f5f2ec}.question-hint-trigger.is-opened{color:#315238;border-color:#afd0b8;background:#edf8f0}.question-hint-trigger svg{width:15px;height:15px;transition:transform var(--duration-fast) var(--ease-standard)}.question-hint-trigger:hover:not(:disabled) svg{transform:translateY(-1px)}.question-hint-trigger small{margin-left:3px;padding-left:8px;border-left:1px solid currentColor;font-size:10px;font-weight:600;opacity:.76}.question-hint-trigger .hint-expand-icon{margin-left:1px}.question-hint-trigger.is-expanded .hint-expand-icon{transform:rotate(180deg)}.question-hint-trigger.is-expanded:hover .hint-expand-icon{transform:translateY(-1px) rotate(180deg)}.question-hint-card{min-width:0;display:grid;gap:8px;padding:12px 14px;border:1px solid #e6d897;border-radius:8px;color:#3f3517;background:#fffbed;font-size:14px;line-height:1.65}.question-hint-card>span{color:#7c6200;font-size:12px;font-weight:750}.question-hint-card>strong{font-size:14px;line-height:1.65}.question-hint-card p{margin:0}.question-hint-card>small{color:#756b4c;font-size:11px}.hint-layer.first{color:#405365;border-color:#ccd6de;border-left:4px solid var(--reading-blue);background:#f4f7f9}.hint-layer.second{color:#243247;border-color:#b7c7de;border-left:4px solid var(--reading-green);background:color-mix(in srgb,var(--reading-blue-soft) 78%,#f2f6fb)}.hint-layer.second>span{color:#3b5f8d}.hint-layer.reference{color:#23412e;border-color:#acd5b9;border-left:4px solid #3a9c5d;background:color-mix(in srgb,var(--reading-green-soft) 78%,#effaf2)}.hint-layer.reference>span{color:#267443}.question-hint-content{min-width:0;font-size:14px;line-height:1.65}.question-hint-content :first-child{margin-top:0}.question-hint-content :last-child{margin-bottom:0}.question-assist-state{width:max-content;max-width:100%;display:inline-flex;align-items:center;gap:5px;margin:0;color:var(--text-faint);font-size:12px}.question-assist-state svg{width:11px;height:11px;animation:spin 1s linear infinite}.question-assist-state.is-error{color:var(--danger)}.matching-question-assist{margin:0;padding:12px 18px 18px;border-top:1px solid var(--border)}.matching-question-group{display:grid;gap:0;padding:0!important;overflow:hidden}.matching-group-header{min-height:66px;display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:11px;padding:13px 16px;border-bottom:1px solid var(--border);background:var(--surface-subtle)}.matching-group-icon{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--accent-border);border-radius:7px;color:var(--accent-ink);background:var(--accent-soft)}.matching-group-icon svg{width:17px;height:17px}.matching-group-header>div span,.matching-group-header>div strong{display:block}.matching-group-header>div span{margin-bottom:3px;color:var(--text-soft);font-size:10px}.matching-group-header>div strong{font-size:16px}.matching-group-progress{min-width:48px;padding:6px 8px;border:1px solid var(--border);border-radius:6px;color:var(--text-soft);background:var(--surface);text-align:center;font:650 10px ui-monospace,SFMono-Regular,Menlo,monospace}.matching-shared-stem{padding:18px 18px 20px;border-bottom:1px solid var(--border);font-size:15px;line-height:1.75}.matching-reference,.matching-rows{min-width:0}.matching-reference{padding:16px 18px 18px;border-bottom:1px solid var(--border);background:var(--surface)}.matching-section-label{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;color:var(--text-soft);font-size:10px}.matching-section-label span{color:var(--text);font-size:12px;font-weight:650}.matching-reference-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 12px}.matching-reference-option{min-width:0;display:grid;grid-template-columns:27px minmax(0,1fr) auto;align-items:start;gap:9px;padding:9px 0;border-bottom:1px solid var(--border)}.matching-reference-option .rich-text{min-width:0;font-size:13px;line-height:1.55}.matching-reference-option .paper-choice{margin-top:1px}.matching-reference-option.is-used .paper-choice{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg)}.matching-owner{align-self:center;padding:4px 6px;border-radius:5px;color:var(--accent-ink);background:var(--accent-soft);white-space:nowrap;font-size:9px;font-weight:650}.matching-rows{padding:16px 18px 18px}.matching-row{display:grid;grid-template-columns:minmax(220px,1fr) minmax(330px,auto);align-items:center;gap:18px;min-width:0;padding:14px 8px;border-top:1px solid var(--border);transition:background .15s ease,border-color .15s ease}.matching-row:first-of-type{border-top:0}.matching-row.is-current{border-left:3px solid var(--accent);background:var(--surface-subtle)}.matching-row-question{min-width:0;display:grid;grid-template-columns:30px minmax(0,1fr);align-items:start;gap:9px}.matching-row-question>span{min-width:28px;height:28px;display:grid;place-items:center;padding:0 5px;border:1px solid var(--border-strong);border-radius:6px;color:var(--text-soft);background:var(--surface);font:650 10px ui-monospace,SFMono-Regular,Menlo,monospace}.matching-row.is-answered .matching-row-question>span{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg)}.matching-row-question .rich-text{min-width:0;padding-top:3px;font-size:13px;line-height:1.6}.matching-choice-grid{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:6px;min-width:0}.matching-choice-grid>button{width:56px;height:43px;display:grid;place-items:center;align-content:center;gap:2px;padding:4px;border:1px solid var(--border-strong);border-radius:6px;color:var(--text);background:var(--surface);cursor:pointer}.matching-choice-grid>button:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}.matching-choice-grid>button>span{font:700 12px ui-monospace,SFMono-Regular,Menlo,monospace}.matching-choice-grid>button>small{color:inherit;font-size:8px;line-height:1}.matching-choice-grid>button.is-selected{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg);box-shadow:0 0 0 2px var(--accent-soft)}.matching-choice-grid>button.is-occupied{color:var(--text-faint);border-color:var(--border);background:var(--surface-subtle);cursor:not-allowed}.matching-choice-grid>button.matching-clear{width:39px;color:var(--text-soft)}.matching-choice-grid>button.matching-clear svg{width:15px;height:15px}.result-stats{grid-template-columns:repeat(4,minmax(0,1fr))}.result-stats>span{justify-items:center;align-content:start}.result-stats>span>svg{width:22px;height:22px;justify-self:center}.result-stats>span>strong{white-space:nowrap}.result-page-intro{margin-bottom:37px}.result-page-intro h1{margin-bottom:8px}.result-layout{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:0}.result-layout .result-hero{border-radius:15px 0 0 15px}.result-layout .result-panel{border-left:1px solid var(--border);border-radius:0 15px 15px 0}.result-layout .result-hero,.result-layout .result-panel{min-height:411px}.result-layout .score-ring{width:138px;height:138px}.result-layout .result-stats>span>svg{display:none}.result-panel-heading{margin-bottom:20px}.result-panel-heading>span{color:var(--text-faint);font:700 9px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}.result-panel-heading h2{margin:4px 0 0}.result-next-step{display:grid;grid-template-columns:32px minmax(0,1fr);align-items:start;gap:10px;margin-top:22px;padding:13px 14px;border-left:3px solid var(--accent);border-radius:0 9px 9px 0;background:var(--accent-soft)}.result-next-step-icon{width:30px;height:30px;display:grid;place-items:center;border-radius:8px;color:var(--accent-ink);background:#ffffff5c}.result-next-step-icon svg{width:17px;height:17px}.result-next-step small{display:block;margin-bottom:4px;color:var(--accent-ink);font:700 8px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}.result-next-step strong{display:block;font-size:11px}.result-next-step p{margin:4px 0 0;color:var(--text-soft);font-size:9px;line-height:1.5}.performance-bars>div:nth-child(3n+1) .performance-track span{background:#5e8a79}.performance-bars>div:nth-child(3n+2) .performance-track span{background:#6f8896}.performance-bars>div:nth-child(3n) .performance-track span{background:#c3aa47}.performance-bars{display:grid;gap:15px}.performance-bars>div{display:grid;gap:7px}.performance-bars>div>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-soft);font-size:11px}.performance-bars strong{color:var(--text);font:600 11px ui-monospace,SFMono-Regular,Menlo,monospace}.performance-track{height:7px;overflow:hidden;border-radius:99px;background:var(--surface-subtle)}.performance-track span{width:var(--width);height:100%;display:block;border-radius:inherit;background:var(--accent)}.leaderboard-heading+.summary-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.leaderboard-summary{min-width:118px;display:grid;justify-items:end;gap:4px}.leaderboard-summary span{display:inline-flex;align-items:center;gap:6px;color:var(--text-soft);font-size:10px}.leaderboard-summary svg{width:18px;height:18px;color:var(--accent-ink)}.leaderboard-summary strong{font-size:24px}.result-question-list{display:grid;gap:10px;margin-top:18px}.result-question-item{padding:15px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.result-question-item.is-wrong{border-left:3px solid var(--danger)}.result-question-item.is-right{border-left:3px solid var(--success)}.result-question-item .paper-question-head{position:static;display:flex;align-items:center;gap:10px;margin-bottom:13px}.result-question-item .paper-question-head strong{margin-left:auto}.mistake-list{min-width:0}.mistake-row{width:100%;min-width:0;display:flex}.mistake-content h3{overflow:visible;white-space:normal;overflow-wrap:anywhere;line-height:1.55}.mistake-content p{overflow-wrap:anywhere}.mistake-row>.button{flex:0 0 auto}.writing-feedback{margin-top:12px;padding:12px;border-radius:8px;background:var(--surface-subtle)}.writing-feedback .rich-text{min-width:0;overflow-x:auto;overflow-y:hidden}.writing-feedback .katex{overflow-wrap:normal;word-break:normal;white-space:nowrap}.writing-dimensions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:8px;margin:12px 0}.writing-dimensions>div{min-width:0;padding:10px;border:1px solid var(--border);border-radius:6px;background:var(--surface)}.writing-dimensions>div>span,.writing-dimensions>div>strong{display:block}.writing-dimensions .rich-text{margin:5px 0 0;color:var(--text-soft);font-size:11px;line-height:1.5;scrollbar-width:thin}.knowledge-empty{height:360px;display:grid;place-items:center;color:var(--text-soft)}.papers-page .page-intro{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.papers-page .page-intro>div{min-width:0}.papers-page .page-intro>.button{flex:0 0 auto}.public-type-badge svg,.library-result-heading svg,.public-paper-body .button svg{width:14px;height:14px}.public-paper-preview .paper-cover>svg{width:24px;height:24px}.public-paper-body h3{overflow-wrap:anywhere}.public-paper-footer>span{min-width:0}.subject-tabs{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin:-10px 0 16px}.subject-tabs button{min-height:34px;padding:7px 13px;border:1px solid var(--border);border-radius:7px;color:var(--text-soft);background:var(--surface);cursor:pointer;font-size:11px;transition:border-color .16s ease,background .16s ease,color .16s ease}.subject-tabs button:hover{border-color:var(--accent-border);background:var(--accent-soft)}.subject-tabs button.is-active{color:var(--site-action-text);border-color:var(--site-action-bg);background:var(--site-action-bg);font-weight:650}.knowledge-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;align-items:start;gap:16px}.ability-page .knowledge-canvas,.ability-page .knowledge-detail{border-radius:8px}.knowledge-tree-viewport{max-width:100%;overflow:auto;scrollbar-width:thin}.ability-page .knowledge-tree-stage{position:relative;overflow:visible;min-width:100%;background:var(--surface-subtle)}.knowledge-tree-edges{position:absolute;inset:0;overflow:visible;pointer-events:none}.knowledge-tree-edges line{stroke:var(--border-strong);stroke-width:1.5}.knowledge-tree-edges line.is-prerequisite{stroke:var(--accent-ink);stroke-width:1.25;stroke-dasharray:6 5}.ability-page .knowledge-node{width:150px;min-height:76px;padding:9px 10px;border-radius:8px}.ability-page .knowledge-node strong{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ability-page .knowledge-node>small{color:var(--text-faint);font-size:8px}.ability-page .knowledge-node.is-fallback{border-style:dashed}.knowledge-relations{display:grid;gap:6px;margin:15px 0;padding-top:14px;border-top:1px solid var(--border)}.knowledge-relations>strong{display:flex;align-items:center;gap:6px;margin-bottom:2px;font-size:11px}.knowledge-relations>strong svg{width:15px;height:15px;color:var(--accent-ink)}.knowledge-relations>button{display:grid;gap:3px;padding:8px 9px;border:1px solid var(--border);border-radius:6px;color:var(--text);background:var(--surface-subtle);text-align:left;cursor:pointer;font-size:10px}.knowledge-relations>button:hover{border-color:var(--accent-border);background:var(--accent-soft)}.knowledge-relations>button span{color:var(--text-faint);font-size:8px}.mobile-question-strip{display:none}.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}.plan-card{min-width:0;display:flex;align-items:flex-start;flex-direction:column;padding:22px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-sm)}.plan-card.is-current{border-color:var(--accent-border);background:var(--surface-raised)}.plan-card h2{margin-top:12px}.plan-card>p{min-height:44px;margin:7px 0 0;color:var(--text-soft);font-size:11px;line-height:1.65}.plan-card ul{width:100%;display:grid;gap:8px;margin:16px 0 20px;padding:15px 0 0 20px;border-top:1px solid var(--border);color:var(--text-soft);font-size:11px;line-height:1.5}.plan-card>.button{width:100%;justify-content:center;margin-top:auto}.leaderboard-empty{padding:32px;text-align:center;color:var(--text-soft)}.subject-onboarding-view{max-width:1240px}.subject-onboarding-content{width:min(900px,100%);margin:0 auto}.subject-onboarding-intro{margin-bottom:22px}.subject-selection-card{width:100%;padding:30px;border:1px solid var(--border-strong);border-radius:15px;background:var(--surface);box-shadow:var(--shadow-sm)}.registration-success-banner{display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:12px;margin:0 0 26px;padding:0 0 18px;border-bottom:1px solid var(--success-border)}.registration-success-banner>span{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;color:var(--success);background:var(--success-soft)}.registration-success-banner svg{width:17px;height:17px}.registration-success-banner>div{min-width:0;display:grid;gap:4px}.registration-success-banner strong{font-size:13px}.registration-success-banner p{margin:0;color:var(--text-soft);font-size:10px;line-height:1.55}.subject-selection-card h2{max-width:590px;margin:0 auto 10px}.subject-selection-toolbar{display:flex;align-items:center;justify-content:space-between;color:var(--text-soft);font-size:12px}.subject-selection-toolbar strong{color:var(--text);font-size:14px}.subject-selection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}.subject-selection-option{display:grid;grid-template-columns:42px minmax(0,1fr) 22px;align-items:center;gap:11px;min-height:72px;padding:12px;border:1px solid var(--border);border-radius:8px;color:var(--text);background:var(--surface);text-align:left;cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease}.subject-selection-option:hover{border-color:var(--accent-border);transform:translateY(-1px)}.subject-selection-option.is-selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent)}.subject-option-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:8px;font-size:11px;font-weight:750;letter-spacing:.02em}.tone-amber .subject-option-icon{color:#8a5b08;background:#fbe8b0}.tone-blue .subject-option-icon{color:#155e9b;background:#d8ecff}.tone-green .subject-option-icon{color:#237044;background:#d9f3df}.tone-red .subject-option-icon{color:#a34545;background:#fde1df}.subject-option-copy{min-width:0;display:grid;gap:4px}.subject-option-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.subject-option-copy small{color:var(--text-soft);font-size:10px}.subject-option-check{display:grid;place-items:center;width:20px;height:20px;border:1px solid var(--border-strong);border-radius:50%;color:transparent}.subject-selection-option.is-selected .subject-option-check{border-color:var(--site-action-bg);color:var(--site-action-text);background:var(--site-action-bg)}.subject-option-check svg{width:13px}.back-link{display:inline-flex;align-items:center;gap:3px;margin:0 0 26px;padding:0;border:0;color:var(--text-soft);background:transparent;font-size:12px;cursor:pointer}.back-link:hover{color:var(--text)}.back-link svg{width:15px}.success-selection-card{text-align:center}.success-mark{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 20px;border-radius:50%;color:#1f7a48;background:#d9f3df}.success-mark svg{width:28px}.selection-success-copy{max-width:500px;margin:0 auto;color:var(--text-soft);line-height:1.8}.selection-summary{display:flex;justify-content:center;flex-wrap:wrap;gap:7px;margin-top:22px}.selection-summary span{padding:7px 10px;border:1px solid var(--accent-border);border-radius:6px;color:var(--accent-ink);background:var(--accent-soft);font-size:11px}.success-selection-card .page-action-row{justify-content:center}.selected-subjects{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:18px}.selected-subjects-label{margin-right:3px;color:var(--text-faint);font-size:10px}.selected-subject-pill{padding:5px 8px;border:1px solid var(--accent-border);border-radius:5px;color:var(--accent-ink);background:var(--accent-soft);font-size:10px}.selected-subjects a{margin-left:3px;color:var(--text-soft);font-size:10px;text-decoration:underline;text-underline-offset:3px}.subject-setup-prompt{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--accent-ink);font-size:11px;font-weight:650;text-decoration:none}.subject-setup-prompt:hover{text-decoration:underline;text-underline-offset:3px}.subject-setup-prompt svg{width:14px}.dashboard-recommendation-section{margin:24px 0 30px}.dashboard-recommendation-section.is-priority>.section-heading{margin-bottom:12px}.next-practice-card{border-color:var(--accent-border);background:var(--surface-raised)}.next-practice-card h2{display:-webkit-box;overflow:hidden;margin-bottom:0;font-size:18px;line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:2}.next-practice-meta{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 14px}.next-practice-meta span{padding:5px 7px;border-radius:5px;color:var(--text-soft);background:var(--surface-subtle);font-size:9px}.continue-card .next-practice-more{align-self:center;margin-top:10px;font-size:9px}.dashboard-recommendation-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}.dashboard-recommendation-item{min-width:0;display:flex;flex-direction:column;align-items:flex-start;min-height:190px;padding:15px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.dashboard-recommendation-item:only-child{min-height:132px;display:grid;grid-template-columns:minmax(0,1fr) 190px;align-items:center;column-gap:22px}.dashboard-recommendation-item:only-child>:not(.button){grid-column:1}.dashboard-recommendation-item:only-child>.button{grid-column:2;grid-row:1 / 5;width:190px;margin:0}.dashboard-recommendation-item:only-child h3{margin-top:8px}.dashboard-recommendation-item:only-child .dashboard-recommendation-reason{margin-bottom:7px}.dashboard-recommendation-item:only-child .paper-submeta{margin:0}.dashboard-recommendation-head{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%}.dashboard-recommendation-item h3{display:-webkit-box;overflow:hidden;margin:12px 0 8px;font-size:14px;line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:2}.dashboard-recommendation-reason{display:flex;align-items:center;gap:5px;min-height:18px;margin:0 0 12px;color:var(--text-soft);font-size:10px}.dashboard-recommendation-reason svg{width:13px;color:var(--accent-ink)}.dashboard-recommendation-item .paper-submeta{margin-top:auto;margin-bottom:12px}.dashboard-recommendation-item>.button{width:100%;justify-content:center}.recommendation-featured{color:var(--accent-ink);font-size:10px;font-weight:650}.dashboard-recommendation-empty{display:flex;align-items:center;gap:14px;padding:22px;border:1px dashed var(--border);border-radius:8px;background:var(--surface-subtle)}.dashboard-recommendation-empty>svg{flex:0 0 auto;width:20px;color:var(--accent-ink)}.dashboard-recommendation-empty strong{display:block;margin-bottom:4px;font-size:13px}.dashboard-recommendation-empty p{margin:0;color:var(--text-soft);font-size:11px;line-height:1.55}.dashboard-recommendation-empty .button{margin-left:auto;flex:0 0 auto}@media(max-width:760px){.view-container{padding-bottom:104px}.subject-correction-strip{grid-template-columns:1fr;align-items:stretch;gap:11px;margin-inline:-16px;padding-inline:16px}.subject-correction-control{flex-wrap:wrap}.subject-correction-control>select{width:auto;min-width:150px;flex:1 1 160px}.subject-correction-strip>p{align-items:flex-start}.knowledge-coverage-strip{grid-template-columns:1fr;align-items:stretch;gap:9px;margin-inline:-16px;padding-inline:16px;border-inline:0;border-radius:0}.knowledge-coverage-strip>.button{width:100%;grid-column:auto;justify-self:stretch}.result-layout{grid-template-columns:1fr;gap:10px}.result-layout .result-hero,.result-layout .result-panel{border-radius:15px}.result-layout .result-panel{border-left:0}.result-layout .result-hero,.result-layout .result-panel{min-height:0}.result-page-intro{margin-bottom:18px}.subject-selection-card{padding:22px}.page-action-row{align-items:stretch;flex-direction:column}.page-action-row .button{justify-content:center}.paper-row{align-items:stretch;flex-direction:column}.paper-row .paper-info{width:100%}.paper-row .paper-title-line{align-items:flex-start;flex-wrap:wrap}.paper-row .paper-title-line h3{white-space:normal;overflow-wrap:anywhere}.paper-row .inline-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.paper-row .inline-actions .button{width:100%}.paper-row .inline-actions .paper-start-action{grid-column:1 / -1}.plan-grid{grid-template-columns:1fr}.records-table-panel{overflow:visible;border:0;border-radius:0;background:transparent}.records-table{min-width:0}.records-table thead{display:none}.records-table tbody{display:grid;gap:10px}.records-table tbody tr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px;padding:15px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-sm)}.records-table tbody td{min-width:0;padding:0;border:0;overflow-wrap:anywhere}.records-table tbody td:first-child,.records-table tbody td:last-child{grid-column:1 / -1}.records-table tbody td[data-label]:before{content:attr(data-label);display:block;margin-bottom:4px;color:var(--text-faint);font-size:9px;font-weight:550}.records-table tbody td:first-child strong{display:inline-block;margin-bottom:3px;font-size:12px;line-height:1.45}.records-table tbody td:last-child button{width:100%;min-height:36px;border:1px solid var(--border);border-radius:7px;color:var(--text);background:var(--surface);font-weight:600}.records-table .records-empty-row,.records-table .records-empty-row td{display:block}.papers-page .page-intro{align-items:stretch;flex-direction:column;gap:16px}.papers-page .page-intro>.button{width:100%;justify-content:center}.library-toolbar{align-items:stretch;flex-direction:column}.library-filter-group .filter-tabs{display:flex;overflow-x:auto}.library-filter-group .filter-button{flex:0 0 auto}.library-toolbar .search-wrap{width:100%;margin-left:0}.correction-shell{height:auto;min-height:0}.correction-shell .source-pane{min-height:360px;max-height:440px}.correction-shell .editor-pane{min-height:600px}.correction-shell .editor-content{overflow:visible}.option-edit-row{grid-template-columns:38px minmax(0,1fr) 66px;gap:7px}.answer-radio{width:38px;height:40px}.option-edit-row input{height:40px}.mode-options{grid-template-columns:1fr;padding:16px}.exam-daily-quota{grid-template-columns:34px minmax(0,1fr);margin:0 16px 14px}.exam-daily-quota>a,.exam-daily-quota>button{grid-column:2;justify-self:start}.duration-setting{align-items:stretch;flex-direction:column;margin:0 16px 14px}.stepper-input{grid-template-columns:40px minmax(0,1fr) 40px}.stepper-input button{width:40px;height:38px}.exam-rules{margin:0 16px 18px}.exam-setup-card>.inline-error{margin:0 16px 12px}.exam-setup-card>.panel-footer{padding:14px 16px}.paper-exam-room .paper-question{padding:14px 12px 18px}.paper-exam-room .paper-question-head{grid-template-columns:auto 1fr auto;gap:8px}.paper-exam-room .paper-question-number{min-width:25px;padding:0 6px}.paper-exam-room .paper-question-text{font-size:15px}.paper-exam-room .paper-option{font-size:14px}.click-word-hint{display:none}.inline-translation-toggle{margin-left:auto}.matching-group-header{grid-template-columns:32px minmax(0,1fr) auto;padding:11px 12px}.matching-group-icon{width:30px;height:30px}.matching-shared-stem{padding:14px 12px 16px;font-size:14px}.matching-reference{padding:13px 12px 15px}.matching-reference-list{grid-template-columns:1fr;gap:0}.matching-reference-option{grid-template-columns:27px minmax(0,1fr) auto}.matching-rows{padding:13px 12px 15px}.matching-row{grid-template-columns:1fr;gap:10px;padding:13px 6px}.matching-row-question .rich-text{font-size:13px}.matching-choice-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));justify-content:stretch}.matching-choice-grid>button{width:100%;min-width:0}.matching-choice-grid>button.matching-clear{width:100%}.math-answer-toolbar{align-items:stretch;flex-direction:column}.math-answer-toolbar .button{width:100%;justify-content:center}.answer-asset-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.math-image-dropzone{align-items:stretch;flex-direction:column}.math-image-dropzone .button{width:100%;justify-content:center}.latex-editor-grid{grid-template-columns:1fr}.latex-editor-toolbar .latex-clear-button{margin-left:0}.paper-exam-room .paper-view-toolbar{position:sticky;top:0;z-index:7;display:flex;width:100%;min-height:38px;margin:-1px auto 9px;padding:5px 8px;border-radius:9px;background:var(--surface);box-shadow:var(--shadow-sm)}.paper-exam-room .paper-view-toolbar>span:first-child{display:inline-flex;align-items:center;gap:5px;max-width:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.paper-exam-room .paper-view-toolbar>span:first-child svg{width:13px;height:13px;flex:0 0 auto}.paper-exam-room .paper-view-toolbar .paper-view-count{display:inline-flex;flex:0 0 auto;margin-left:auto}.mobile-question-strip{display:none}.paper-exam-room .real-answer-sheet{width:min(324px,calc(100vw - 50px))}.mobile-question-strip::-webkit-scrollbar{display:none}.mobile-question-strip .answer-cell{flex:0 0 38px;width:38px;height:38px;aspect-ratio:auto}.result-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:16px}.result-hint-usage-list{grid-template-columns:1fr}.performance-bars>div>div:first-child{align-items:flex-start;flex-direction:column;gap:3px}.leaderboard-heading+.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.leaderboard-summary{justify-items:start}.result-question-item .paper-question-head{align-items:flex-start;flex-wrap:wrap}.result-question-item .paper-question-head strong{width:100%;margin-left:0}.writing-dimensions,.question-assets{grid-template-columns:1fr}.correction-shell .editor-toolbar{align-items:flex-start;flex-wrap:wrap;gap:9px}.question-jump{width:100%;flex-wrap:wrap}.question-direct-select{flex:1 1 116px;width:auto}.question-jump .problem-jump-button{flex:1 1 104px}.editor-toolbar-actions{width:100%;justify-content:space-between}.asset-reupload-required{grid-template-columns:30px minmax(0,1fr)}.asset-reupload-actions{grid-column:1 / -1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}.asset-reupload-required .button{width:100%;justify-content:center}}.records-page .page-intro{margin-bottom:25px}.records-mode-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.records-mode-tabs{display:inline-flex}.records-mode-tabs .filter-button{display:inline-flex;align-items:center;text-decoration:none}.records-daily-quota{display:grid;grid-template-columns:18px auto;align-items:center;column-gap:8px;min-width:118px;padding:8px 12px;border:1px solid var(--accent-border);border-radius:9px;color:var(--accent-ink);background:var(--accent-soft)}.records-daily-quota svg{grid-row:span 2;width:16px;height:16px}.records-daily-quota span{font-size:9px}.records-daily-quota strong{font:700 12px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text)}.records-toolbar{margin-bottom:17px}.records-subject-tabs{display:inline-flex}.records-subject-tabs .filter-button{min-height:31px}.records-section-heading{margin-bottom:10px}.exam-session-section{margin-bottom:25px}.exam-session-row{grid-template-columns:40px minmax(0,1fr) auto;min-height:74px;padding:12px 14px;border-radius:11px;background:color-mix(in srgb,var(--surface) 92%,var(--accent-soft))}.exam-session-actions .button{min-height:33px}.completed-records-section{margin-bottom:22px}.records-table-panel{border-radius:14px;background:var(--surface)}.records-table th{padding:12px 14px;color:var(--text-faint);background:var(--accent-soft)}.records-table td{padding:12px 14px}.records-table td:first-child strong{font-size:11px}.records-table td:first-child span{color:var(--text-faint);font-size:9px}.records-table td:last-child button{color:var(--accent-ink);font-weight:650}.records-table .status-pill{padding:3px 7px;font-size:8px}@media(max-width:680px){.records-mode-row{align-items:stretch;flex-direction:column;gap:9px}.records-mode-tabs{width:100%}.records-mode-tabs .filter-button{flex:1 1 0;justify-content:center}.records-daily-quota{width:100%}.records-toolbar{gap:9px}.records-subject-tabs{width:100%;overflow-x:auto}.records-subject-tabs .filter-button{flex:0 0 auto}.exam-session-row{grid-template-columns:34px minmax(0,1fr);gap:10px}.exam-session-actions{grid-column:1 / -1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 38px}.exam-session-actions .button{width:100%;justify-content:center}.exam-session-actions .icon-button{width:38px}}.settings-panel{max-width:800px;border-radius:15px;background:var(--surface)}.settings-section{padding:22px 24px}.settings-section h2{margin-bottom:6px;font-size:18px}.settings-section>p{margin-bottom:16px;font-size:13px;line-height:1.6}.settings-row{min-height:64px;padding:14px 0}.settings-row strong{font-size:14px}.settings-row p{font-size:12px;line-height:1.55}.settings-row>svg{width:18px;height:18px;color:var(--success)}.settings-row .button{min-height:33px}.settings-switch-control>span{font-size:12px}@media(max-width:680px){.settings-panel{border-radius:12px}.settings-section{padding:19px 17px}.settings-row{align-items:flex-start;gap:12px}.settings-row>.button{flex:0 0 auto}}@media(max-width:1120px)and (min-width:761px){.knowledge-layout{grid-template-columns:1fr}.result-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:16px}.subject-selection-grid{grid-template-columns:1fr}}@media(max-width:680px){.knowledge-layout{grid-template-columns:1fr}.subject-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.subject-tabs button{width:100%}.ability-page .knowledge-tree-stage{width:auto!important;height:auto!important;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;padding:14px}.knowledge-tree-edges{display:none}.ability-page .knowledge-node{position:static;width:100%;min-width:0;transform:none}.ability-page .knowledge-node:hover{transform:translateY(-2px)}}@media(max-width:760px){.subject-selection-grid,.dashboard-recommendation-grid{grid-template-columns:1fr}.dashboard-recommendation-item:only-child{min-height:190px;display:flex}.dashboard-recommendation-item:only-child>.button{width:100%;margin-top:auto}.dashboard-recommendation-item:only-child .paper-submeta{margin-top:auto;margin-bottom:12px}.dashboard-recommendation-empty{align-items:flex-start;flex-wrap:wrap}.dashboard-recommendation-empty .button{margin-left:34px}}:is(.answer-radio.is-selected,.matching-choice-grid>button.is-selected,.subject-tabs button.is-active):hover:not(:disabled):not([aria-disabled=true]){color:var(--site-action-text);border-color:var(--site-action-hover);background:var(--site-action-hover)}:is(.answer-radio.is-selected,.matching-choice-grid>button.is-selected,.subject-tabs button.is-active):active:not(:disabled):not([aria-disabled=true]){color:var(--site-action-text);border-color:var(--site-action-active);background:var(--site-action-active)}:root body :is(.button,.site-button,.public-action,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger,.dock-question-button,.answer-sheet-trigger){display:inline-flex;align-items:center;justify-content:center;gap:8px;box-sizing:border-box;min-height:var(--button-height, var(--site-action-height));padding:var(--button-padding, var(--site-action-padding));border:1px solid transparent;border-radius:var(--site-action-radius);color:var(--button-text, var(--site-action-secondary-text));background:var(--button-bg, var(--site-action-secondary-bg));box-shadow:var(--site-action-shadow);font-family:inherit;font-size:var(--button-size, var(--site-action-size));font-weight:var(--site-action-weight);line-height:var(--button-line-height, 18px);text-align:center;text-decoration:none;cursor:pointer;transform:none;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease}:root body :is(.button,.site-button,.public-action)>:is(svg,.icon){width:18px;height:18px;flex-shrink:0}:root body :is(.button,.site-button,.public-action):is(.primary,.accent,.yellow,.dark),:root body :is(.filter-button.is-active,.filter-button[aria-pressed=true],.answer-sheet-trigger,.inline-translation-toggle.is-active,.question-hint-trigger.is-opened){--button-bg: var(--site-action-bg);--button-hover-bg: var(--site-action-hover);--button-active-bg: var(--site-action-active);--button-text: var(--site-action-text);--button-hover-text: var(--site-action-text);--button-active-text: var(--site-action-text)}:root body .paper-mark-button.is-marked{--button-bg: var(--warning-soft);--button-hover-bg: var(--warning-soft);--button-active-bg: var(--warning-soft);--button-text: var(--warning);--button-hover-text: var(--warning);--button-active-text: var(--warning)}:root body .button.danger{--button-bg: var(--danger-soft, #fff0ee);--button-hover-bg: color-mix(in srgb, var(--danger, #c2413a) 14%, white);--button-active-bg: color-mix(in srgb, var(--danger, #c2413a) 20%, white);--button-text: var(--danger, #c2413a);--button-hover-text: var(--danger, #c2413a);--button-active-text: var(--danger, #c2413a)}:root body :is(.button.small,.site-button.small,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger){--button-height: 32px;--button-padding: 6px 14px;--button-size: 13px}:root body :is(.button.large,.site-button.large,.public-action){--button-height: 48px;--button-padding: 12px 24px;--button-size: 16px;--button-line-height: 22px}:root body :is(.button,.site-button,.public-action,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger,.dock-question-button,.answer-sheet-trigger):hover:not(:disabled,[aria-disabled=true],[aria-busy=true],.is-loading){border-color:transparent;color:var(--button-hover-text, var(--site-action-secondary-hover));background:var(--button-hover-bg, var(--site-action-secondary-bg));box-shadow:var(--site-action-shadow-hover);transform:translateY(-1px)}:root body :is(.button,.site-button,.public-action,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger,.dock-question-button,.answer-sheet-trigger):active:not(:disabled,[aria-disabled=true],[aria-busy=true],.is-loading){border-color:transparent;color:var(--button-active-text, var(--site-action-secondary-active));background:var(--button-active-bg, var(--site-action-secondary-bg));box-shadow:none;transform:none}:root body :is(.button,.site-button,.public-action,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger,.dock-question-button,.answer-sheet-trigger,.icon-button):focus-visible{outline:3px solid var(--site-action-focus);outline-offset:3px}:root body :is(.button,.site-button,.public-action,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger,.dock-question-button,.answer-sheet-trigger):is(:disabled,[aria-disabled=true],[aria-busy=true],.is-loading){border-color:transparent;color:var(--button-text, var(--site-action-secondary-text));background:var(--button-bg, var(--site-action-secondary-bg));box-shadow:none;transform:none;filter:none}:root body :is(.button,.site-button,.public-action,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger,.dock-question-button,.answer-sheet-trigger,.icon-button):is(:disabled,[aria-disabled=true]){opacity:.5;cursor:not-allowed}:root body :is(.button,.site-button,.public-action):is([aria-busy=true],.is-loading){cursor:wait}:root body :is(.button,.site-button,.public-action,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger,.dock-question-button,.answer-sheet-trigger)[hidden]{display:none}:root body .icon-button{border:1px solid transparent;border-radius:var(--site-action-radius);color:var(--site-action-secondary-text);background:var(--site-action-secondary-bg);box-shadow:var(--site-action-shadow)}:root body .icon-button:hover:not(:disabled,[aria-disabled=true]){color:var(--site-action-secondary-hover);background:var(--site-action-secondary-bg)}:root body .icon-button.danger{color:var(--danger)}:root body .auth-code-row>.button{min-height:32px;padding:6px 14px}:root body .exam-mobile-dock :is(.dock-question-button,.answer-sheet-trigger){--button-height: 40px;--button-padding: 8px 12px;--button-size: 13px}@media(hover:none),(prefers-reduced-motion:reduce){:root body :is(.button,.site-button,.public-action,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger,.dock-question-button,.answer-sheet-trigger):hover:not(:disabled,[aria-disabled=true],[aria-busy=true],.is-loading){transform:none}}@media(prefers-reduced-motion:reduce){:root body :is(.button,.site-button,.public-action,.filter-button,.paper-mark-button,.inline-translation-toggle,.question-hint-trigger,.dock-question-button,.answer-sheet-trigger){transition:none}}:root body[data-visual-mode=workspace]{font-size:var(--ui-body-size);line-height:var(--leading-body)}:root body[data-visual-mode=workspace] :is(.field label,.field-label){font-size:var(--ui-label-size);line-height:1.5;font-weight:550}:root body[data-visual-mode=workspace] :is(.field input:not([type=checkbox],[type=radio],[type=file],[type=range],[type=color],[hidden]),.field select,.field textarea,.search-field,.display-name-form input,.cc-list-tools input,.cc-list-tools select,.notes-advanced-filter select,.note-editor input,.note-editor select,.note-editor textarea){box-sizing:border-box;min-width:0;min-height:var(--ui-field-height);padding:var(--ui-field-padding);padding-inline-start:var(--ui-field-padding-start, 14px);border:1px solid var(--border);border-radius:var(--ui-field-radius);color:var(--text);background:var(--surface);font-size:var(--ui-field-size);line-height:20px;transition:border-color var(--duration-fast),box-shadow var(--duration-fast),background-color var(--duration-fast)}:root body[data-visual-mode=workspace] .field textarea{min-height:112px;line-height:1.7;resize:vertical}:root body[data-visual-mode=workspace] :is(.field input,.field select,.field textarea,.search-field,.display-name-form input,.cc-list-tools input,.cc-list-tools select,.notes-advanced-filter select,.note-editor input,.note-editor select,.note-editor textarea):focus{border-color:var(--accent);outline:var(--ui-focus-ring);outline-offset:2px;box-shadow:none}:root body[data-visual-mode=workspace] :is(.field input,.field select,.field textarea,.search-field,.display-name-form input,.cc-list-tools input,.cc-list-tools select)::placeholder{color:var(--text-faint);opacity:1}:root body[data-visual-mode=workspace] :is(.field input,.field select,.field textarea,.search-field,.display-name-form input,.cc-list-tools input,.cc-list-tools select):disabled{color:var(--text-faint);background:var(--surface-subtle);cursor:not-allowed;opacity:.65}:root body[data-visual-mode=workspace] .field.is-warning :is(input,select,textarea){border-color:var(--warning);background:var(--warning-soft)}:root body[data-visual-mode=workspace] :is(input,select,textarea)[aria-invalid=true]{border-color:var(--danger);outline-color:color-mix(in srgb,var(--danger) 28%,transparent)}:root body[data-visual-mode=workspace] .search-wrap{--ui-field-padding-start: 38px}:root body[data-visual-mode=workspace] .search-wrap>svg{left:14px}:root body[data-visual-mode=workspace] .lh-course-search{min-height:var(--ui-field-height);border-radius:var(--ui-field-radius)}:root body[data-visual-mode=workspace] .lh-course-search:focus-within{border-color:var(--accent);outline:var(--ui-focus-ring);outline-offset:2px}:root body[data-visual-mode=workspace] .lh-course-search input{height:calc(var(--ui-field-height) - 2px);padding-block:0;font-size:var(--ui-field-size);line-height:20px}:root body[data-visual-mode=workspace] :is(.paper-search,.review-search){min-height:var(--ui-field-height);border-radius:var(--ui-field-radius)}:root body[data-visual-mode=workspace] :is(.paper-search,.review-search):focus-within{border-color:var(--accent);outline:var(--ui-focus-ring);outline-offset:2px}:root body[data-visual-mode=workspace] :is(.paper-search,.review-search)>input{height:calc(var(--ui-field-height) - 2px);min-height:0;padding-block:0;font-size:var(--ui-field-size);line-height:20px}:root body[data-visual-mode=workspace] .filter-tabs{max-width:100%;flex-wrap:wrap;gap:6px;padding:5px;border-radius:var(--ui-field-radius);background:var(--surface-subtle)}:root body[data-visual-mode=workspace] :where(.panel,.upload-panel,.recognition-panel,.result-panel,.settings-panel,.notebook-card,.vocabulary-card,.current-usage-panel,.checkout-product-card,.payment-method-section,.checkout-summary,.table-panel,.mistake-row,.exam-setup-card,.usage-overview-card,.daily-limit-card,.pricing-plan,.quota-pack){border-width:1px;border-color:var(--border);border-radius:var(--ui-panel-radius);box-shadow:var(--shadow-sm)}:root body[data-visual-mode=workspace] :where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:var(--ui-focus-ring);outline-offset:3px}:root body[data-visual-mode=workspace] .modal-backdrop{background:var(--ui-dialog-backdrop)}:root body[data-visual-mode=workspace] .modal-card{max-height:calc(100dvh - 40px);padding:var(--ui-dialog-padding);overflow-y:auto;overscroll-behavior:contain;border:1px solid var(--border);border-radius:var(--ui-dialog-radius)}@media(max-width:680px){:root{--ui-dialog-padding: 20px;--ui-panel-padding: 20px;--ui-field-size: 16px}}.workspace-overview-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.workspace-stat{display:flex;flex-direction:column;align-items:stretch;gap:18px;min-width:0;min-height:112px;padding:20px 22px;border:1px solid var(--border);border-radius:18px;color:var(--text);background:var(--surface);font-family:inherit;text-align:left}.workspace-stat-action{cursor:pointer;transition:background-color var(--duration-base),border-color var(--duration-base)}.workspace-stat-action:hover:not(:disabled),.workspace-stat-action[aria-pressed=true]{border-color:var(--accent-border);background:color-mix(in srgb,var(--accent-soft) 55%,var(--surface))}.workspace-stat-action:disabled{cursor:not-allowed}.workspace-stat-label{display:flex;align-items:center;gap:9px;color:var(--text-soft);font-size:14px;font-weight:550;line-height:1.5}.workspace-stat-label>svg{width:19px;height:19px;flex:none;color:var(--accent-ink)}.workspace-stat-label>.workspace-stat-arrow{width:17px;height:17px;margin-left:auto;color:var(--text-faint)}.workspace-stat-value{display:flex;flex-wrap:wrap;align-items:baseline;gap:7px;color:var(--text-faint);font-size:12px;line-height:1.5}.workspace-stat-value>strong{color:var(--text);font-size:30px;font-weight:650;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.8px}.workspace-section-title{margin:0 0 14px;color:var(--text);font-size:var(--ui-section-title-size, 20px);font-weight:700;line-height:1.4;letter-spacing:-.3px}.workspace-section{margin-bottom:30px}.workspace-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;min-width:0;padding:18px 20px;border:1px solid var(--border);border-radius:18px;background:var(--surface)}@media(max-width:680px){.workspace-overview-cards{gap:8px}.workspace-stat{min-height:98px;gap:16px;padding:14px 10px;border-radius:14px}.workspace-stat-label{gap:5px;font-size:11px}.workspace-stat-label>svg{width:14px;height:14px}.workspace-stat-label>.workspace-stat-arrow{display:none}.workspace-stat-value{gap:6px;font-size:10px}.workspace-stat-value>strong{font-size:25px}.workspace-section-title{font-size:18px;margin-bottom:12px}.workspace-section{margin-bottom:24px}.workspace-toolbar{align-items:stretch;flex-direction:column;gap:14px;padding:16px;border-radius:16px}}@media(prefers-reduced-motion:reduce){.workspace-stat-action{transition:none}}html[data-theme=dark]{--surface-soft: var(--surface-subtle);scrollbar-color:#555555 #111111}html[data-theme=dark] ::selection{color:#fff;background:#555}html[data-theme=dark] :is(input,textarea,select){color-scheme:dark}html[data-theme=dark] :is(input,textarea)::placeholder{color:var(--text-faint);opacity:1}html[data-theme=dark] body .button.danger{--button-hover-bg: color-mix(in srgb, var(--danger) 18%, var(--surface));--button-active-bg: color-mix(in srgb, var(--danger) 26%, var(--surface))}html[data-theme=dark] body[data-visual-mode=workspace] .field :is(input,select,textarea){background-color:var(--surface-input)}html[data-theme=dark] body[data-visual-mode=workspace] :is(.modal-card,.account-menu){background-color:var(--surface)}html[data-theme=dark] :is(.sidebar,.topbar,.mobile-nav,.modal-card,.account-menu,.panel,.state-panel){border-color:var(--border)}html[data-theme=dark] .path-plan-header{background:linear-gradient(115deg,#222,#191919 65%,#252525)}html[data-theme=dark] .path-plan-art{background:var(--surface-subtle)}html[data-theme=dark] :is(.mobile-nav .mobile-upload,.path-course.is-completed .path-course-marker){color:var(--site-action-text)}html[data-theme=dark] .vocabulary-status{color:var(--warning);background:var(--warning-soft)}html[data-theme=dark] :is(.status-known .vocabulary-status,.note-type.is-free){color:var(--success);background:var(--success-soft)}html[data-theme=dark] .note-type.is-politics-source{color:var(--danger);background:var(--danger-soft)}html[data-theme=dark] :is(.note-type.is-english-sentence,.note-type.is-english-explanation){color:var(--blue);background:var(--blue-soft)}html[data-theme=dark] :is(.pace-badge.is-fast,.graph-speed-badge.is-fast){color:var(--blue)}html[data-theme=dark] :is(.pace-badge.is-normal,.graph-speed-badge.is-normal){color:var(--success)}html[data-theme=dark] .result-question-filters button.is-active b{color:var(--site-action-text)}html[data-theme=dark] .profile-materials-page .lh-file-icon{color:var(--text-soft);border-color:var(--border);background:var(--surface-subtle)}html[data-theme=dark] :is(.pm-drop.is-dragging,.pm-drop-symbol){color:var(--text);border-color:var(--border-strong);background:var(--accent-soft)}html[data-theme=dark] :is(.pm-record-status,.pm-footer [data-pm-error]){color:var(--warning)}html[data-theme=dark] :is(.pm-preview,.preview-image,.source-location-empty,.question-source-focus,.focus-crop-viewport){background:var(--surface-input)}html[data-theme=dark] .exam-room{background:var(--bg)}html[data-theme=dark] .real-exam-paper{color:var(--text);background:var(--surface);border-color:var(--border)}html[data-theme=dark] :is(.paper-security-line,.candidate-strip,.candidate-strip u,.paper-question-number,.real-paper-footer){border-color:var(--border-strong)}html[data-theme=dark] :is(.real-paper-header h1,.real-paper-footer strong,.exam-timer,.exam-timer svg,.answer-sheet-close,.paper-option){color:var(--text)}html[data-theme=dark] .paper-notice{background:var(--surface-subtle);border-color:var(--border)}html[data-theme=dark] .paper-section-title{background:var(--surface-raised);color:var(--text)}html[data-theme=dark] :is(.paper-question.is-current,.paper-exam-room .paper-question.is-current,.paper-option:hover){border-color:var(--border-strong);background:var(--surface-subtle)}html[data-theme=dark] .paper-option.is-selected{background:var(--accent-soft);border-color:var(--accent-border)}html[data-theme=dark] .paper-option.is-selected .paper-choice{background:var(--site-action-bg);color:var(--site-action-text);border-color:var(--site-action-bg)}html[data-theme=dark] .paper-choice{border-color:var(--border-strong)}html[data-theme=dark] .real-answer-sheet .answer-cell.is-current{border-color:var(--text)}html[data-theme=dark] :is(.real-paper-footer,.paper-exam-room .paper-question-head>span:nth-child(2),.click-word-hint){color:var(--text-soft)}html[data-theme=dark] .answer-sheet-trigger span{color:var(--site-action-text)}html[data-theme=dark] :is(.preview-shared-stem,.question-hint-card,.hint-layer.first,.hint-layer.second){color:var(--text);border-color:var(--border);background:var(--surface-subtle)}html[data-theme=dark] :is(.question-hint-card>span,.question-hint-card>small,.hint-layer.second>span){color:var(--text-soft)}html[data-theme=dark] .hint-layer.reference{color:var(--text);border-color:var(--success-border);background:var(--success-soft)}html[data-theme=dark] .hint-layer.reference>span{color:var(--success)}html[data-theme=dark] :is(.latex-recognition-status.is-succeeded,.success-mark,.tone-green .subject-option-icon){color:var(--success);border-color:var(--success-border);background:var(--success-soft)}html[data-theme=dark] :is(.latex-recognition-status.is-failed,.tone-red .subject-option-icon){color:var(--danger);border-color:var(--danger);background:var(--danger-soft)}html[data-theme=dark] .tone-blue .subject-option-icon{color:var(--blue);background:var(--blue-soft)}html[data-theme=dark] .tone-amber .subject-option-icon{color:var(--warning);background:var(--warning-soft)}html[data-theme=dark] :is(.answer-cell.is-recognizing .answer-recognition-indicator,.answer-legend .legend-recognition.is-active){color:var(--blue)}html[data-theme=dark] :is(.answer-cell.is-recognition-succeeded .answer-recognition-indicator,.answer-legend .legend-recognition.is-succeeded){color:var(--success)}html[data-theme=dark] :is(.review-option.is-correct .review-option-key,.review-option.is-wrong .review-option-key){color:#111}html[data-theme=dark] :is(.dictionary-popover,.sentence-translation-panel){color:var(--text);background:var(--surface);border-color:var(--border);box-shadow:var(--shadow-md)}html[data-theme=dark] :is(.dictionary-popover__header,.sentence-panel-header,.sentence-result-head,.sentence-reference){border-color:var(--border)}html[data-theme=dark] :is(.dictionary-popover__header button,.dictionary-popover__single-definition,.dictionary-popover__options button,.sentence-panel-close,.sentence-translation-input){color:var(--text);background:var(--surface-input);border-color:var(--border)}html[data-theme=dark] :is(.dictionary-popover__header button:hover,.dictionary-popover__options button:hover:not(:disabled),.sentence-panel-close:hover){background:var(--surface-raised);border-color:var(--border-strong)}html[data-theme=dark] :is(.dictionary-popover__header>span,.dictionary-popover__context>span,.dictionary-popover__prompt>span,.dictionary-popover__prompt small,.dictionary-popover__generate>div>svg,.dictionary-popover__generate>div small,.dictionary-popover__generate>p,.dictionary-popover__state,.sentence-panel-title h2,.sentence-selected-label,.sentence-translation-label,.sentence-result-eyebrow,.sentence-result-head p,.sentence-feedback-block ul,.sentence-reference p){color:var(--text-soft)}html[data-theme=dark] :is(.dictionary-popover__meta span,.dictionary-popover__options button>span,.sentence-panel-icon){color:var(--text-soft);background:var(--surface-subtle)}html[data-theme=dark] :is(.dictionary-popover__context p,.sentence-original,.sentence-result){color:var(--text);background:var(--surface-subtle);border-color:var(--border-strong)}html[data-theme=dark] :is(.sentence-result-head strong,.sentence-feedback-block h3,.sentence-reference h3){color:var(--text)}html[data-theme=dark] :is(.dictionary-popover__source,.dictionary-popover__save,.dictionary-popover__options button.is-correct,.dictionary-popover__feedback){color:var(--success);background:var(--success-soft);border-color:var(--success-border)}html[data-theme=dark] :is(.dictionary-popover__options button.is-correct>span,.dictionary-popover__save:hover:not(:disabled)){color:var(--success);background:#244b3b}html[data-theme=dark] .dictionary-popover__options button.is-wrong{color:var(--danger);background:var(--danger-soft);border-color:var(--danger)}html[data-theme=dark] .dictionary-popover__options button.is-wrong>span{color:var(--danger);background:#583331}html[data-theme=dark] .dictionary-popover__feedback.is-wrong{color:var(--warning);background:var(--warning-soft);border-color:var(--warning-border)}html[data-theme=dark] :is(.dictionary-popover__saved,.sentence-feedback-block.covered h3){color:var(--success)}html[data-theme=dark] :is(.dictionary-popover__state.is-error,.sentence-panel-error,.sentence-feedback-block.missed h3){color:var(--danger)}html[data-theme=dark] :is(.dictionary-popover__generate>button,.dictionary-popover__retry){color:var(--site-action-text);background:var(--site-action-bg);border-color:transparent}html[data-theme=dark] :is(.dictionary-popover__generate>button:hover:not(:disabled),.dictionary-popover__retry:hover){background:var(--site-action-hover)}html[data-theme=dark] .dictionary-popover__generate>button:disabled{color:var(--text-faint);background:var(--surface-subtle);border-color:var(--border)}html[data-theme=dark] .rich-text .rich-text-blank{color:var(--warning);background:var(--warning-soft);border-color:var(--warning-border)}html[data-theme=dark] .rich-text :is(.sentence-interactive:hover,.sentence-interactive:focus-within,.sentence-interactive.is-selected){background:var(--surface-subtle);border-color:var(--border-strong)}html[data-theme=dark] :is(.rich-text .dictionary-word:is(:hover,:focus-visible,.is-acquired),.dictionary-popover__context mark){color:var(--success);background:var(--success-soft)}html[data-theme=dark] #learnerProfileRoot{--lp-ink: var(--text);--lp-muted: var(--text-soft);--lp-line: var(--border);background:var(--bg)}html[data-theme=dark] #learnerProfileRoot::backdrop{background:var(--bg)}html[data-theme=dark] #learnerProfileRoot :is(.lp-option,.lp-assessment-question,.lp-assessment-summary,.lp-result-card,.lp-footer){background:var(--surface);border-color:var(--border)}html[data-theme=dark] #learnerProfileRoot :is(.lp-option:hover,.lp-option.is-selected){background:var(--accent-soft);border-color:var(--border-strong);box-shadow:none}html[data-theme=dark] #learnerProfileRoot :is(.lp-option-copy strong,.lp-assessment-question legend,.lp-assessment-prompt,.lp-assessment-summary strong,.lp-result-card h2){color:var(--text)}html[data-theme=dark] #learnerProfileRoot :is(.lp-progress-caption,.lp-kicker,.lp-honesty,.lp-option-copy small,.lp-helper,.lp-back,.lp-draft-note,.lp-answer-progress,.lp-assessment-question legend span,.lp-answer-letter,.lp-assessment-summary span,.lp-result-score,.lp-result-advice,.lp-skill-results,.lp-welcome-tags){color:var(--text-soft)}html[data-theme=dark] #learnerProfileRoot :is(.lp-close,.lp-check){background:var(--surface-input);border-color:var(--border);color:var(--text-soft)}html[data-theme=dark] #learnerProfileRoot .lp-check{color:transparent}html[data-theme=dark] #learnerProfileRoot :is(.lp-progress-track,.lp-welcome-tags>span,.lp-level-scale li){color:var(--text-soft);background:var(--surface-subtle)}html[data-theme=dark] #learnerProfileRoot :is(.lp-progress-track>span,.lp-level-scale li.is-current,.lp-option.is-selected .lp-check){color:var(--site-action-text);background:var(--site-action-bg)}html[data-theme=dark] #learnerProfileRoot .lp-next>span{color:inherit}html[data-theme=dark] #learnerProfileRoot .lp-error{color:var(--danger);border-color:var(--danger);background:var(--danger-soft)}html[data-theme=dark] #learnerProfileRoot input{color:var(--text);background:var(--surface-input);border-color:var(--border)}html[data-theme=dark] #learnerProfileRoot input:focus-visible{outline-color:var(--site-action-focus)}html[data-theme=dark] #learnerProfileRoot :is(.lp-preference-group legend,.lp-skill-results dd){color:var(--text)}html[data-theme=dark] #learnerProfileRoot :is(.lp-preference-group legend span,.lp-skill-results>div,.lp-answer-option.is-skip){color:var(--text-soft)}html[data-theme=dark] #learnerProfileRoot .lp-question h1:focus{outline:none}