:root{--background:#fff;--surface:#f7f7f5;--surface-strong:#f0f0ec;--foreground:#111827;--body:#374151;--muted:#9ca3af;--border:#e8e8e5;--border-strong:#d6d6d2;--accent:#4f46e5;--accent-hover:#4338ca;--accent-soft:#4f46e514;--accent-muted:#4f46e50a;--success:#059669;--warning:#b45309;--danger:#dc2626;--radius-card:12px;--radius-button:8px;--radius-pill:999px;--font-size-xs:12px;--font-size-sm:13px;--font-size-base:14px;--font-size-md:15px;--font-size-lg:16px;--font-size-xl:20px;--font-size-2xl:24px;--font-size-3xl:28px;--font-size-4xl:36px;--max-width:1200px;--sidebar-width:240px;--topbar-height:56px}[data-theme=dark]{--background:#0a0a0a;--surface:#111;--surface-strong:#1a1a1a;--foreground:#f5f5f4;--body:#d4d4d4;--muted:#737373;--border:#1f1f1f;--border-strong:#2a2a2a;--accent:#6366f1;--accent-hover:#818cf8;--accent-soft:#6366f124;--accent-muted:#6366f10f}[data-theme=dark] body{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;transition:background-color .2s,color .2s}body{background:var(--background);color:var(--body);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:var(--font-size-base);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-feature-settings:"cv11", "ss01";margin:0;line-height:1.55}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input,select,textarea{font:inherit}button{cursor:pointer}main{min-height:100vh}h1,h2,h3,h4,h5{color:var(--foreground);letter-spacing:-.02em;margin:0;font-weight:600;line-height:1.2}h1{font-size:var(--font-size-3xl);letter-spacing:-.025em;font-weight:600}h2{font-size:var(--font-size-xl);font-weight:600}h3{font-size:var(--font-size-lg);font-weight:600}p{color:var(--body);margin:0;line-height:1.6}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.container{width:min(var(--max-width), calc(100% - 32px));margin:0 auto}.stack{gap:16px;display:grid}.grid{gap:20px;display:grid}.two-column{grid-template-columns:1fr 1fr;gap:24px;display:grid}.card,.panel,.flashcard,.feature-card,.pricing-card,.subject-card,.community-card,.table-card,.ai-card,.form-card,.metric-card,.deck-done,.celebration-card,.streak-card,.study-hours-card,.urgent-card,.stat-card,.concept-card,.career-card,.campus-card,.simulator-summary,.review-card,.qa-card,.group-card,.notes-panel,.tour-card,.progress-curve-card,.subject-tabs-card,.countdown-card,.professor-card,.chat-card,.onboarding-card{background:var(--background);border:1px solid var(--border);border-radius:var(--radius-card);padding:20px;transition:border-color .16s}.panel{background:var(--surface)}a.card:hover,button.card:hover,.subject-card:hover,.career-card:hover,.group-card:hover,.bookmark-row:hover{border-color:var(--border-strong)}.button,button.button{border-radius:var(--radius-button);background:var(--accent);color:#fff;height:36px;font-weight:500;font-size:var(--font-size-base);letter-spacing:-.01em;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 14px;transition:background .14s,border-color .14s,color .14s;display:inline-flex}.button:hover:not(:disabled){background:var(--accent-hover)}.button.secondary{background:var(--background);color:var(--foreground);border-color:var(--border)}.button.secondary:hover:not(:disabled){background:var(--surface);border-color:var(--border-strong);color:var(--foreground)}.button.ghost{color:var(--body);background:0 0;border-color:#0000}.button.ghost:hover:not(:disabled){background:var(--surface);color:var(--foreground)}.button:disabled{opacity:.5;cursor:not-allowed}.badge{border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--border);color:var(--body);font-size:var(--font-size-xs);align-items:center;gap:6px;padding:3px 8px;font-weight:500;display:inline-flex}.kicker{color:var(--muted);font-size:var(--font-size-xs);letter-spacing:0;text-transform:none;margin:0 0 4px;font-weight:500}.input,.select,.textarea{border-radius:var(--radius-button);border:1px solid var(--border);background:var(--background);width:100%;color:var(--foreground);font-size:var(--font-size-base);padding:9px 12px;transition:border-color .14s,box-shadow .14s}.input:focus,.select:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.textarea{resize:vertical;min-height:120px;line-height:1.55}.form-grid{gap:14px;display:grid}.form-row{gap:6px;display:grid}.form-row>span{font-size:var(--font-size-sm);color:var(--muted);font-weight:500}.form-footer{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.status{font-size:var(--font-size-sm)}.status.error{color:var(--danger)}.status.success{color:var(--success)}.muted{color:var(--muted)}.progress-shell{border-radius:var(--radius-pill);background:var(--surface-strong);height:6px}.progress-fill{background:var(--accent);border-radius:var(--radius-pill);height:100%;transition:width .4s,box-shadow .2s;box-shadow:0 0 6px #4f46e54d}[data-variant=b] .sidebar .progress-fill,[data-variant=c] .subject-card.is-urgent .progress-fill{box-shadow:none}.progress-row{gap:6px;display:grid}.progress-meta{font-size:var(--font-size-sm);color:var(--body);justify-content:space-between;gap:16px;display:flex}.progress-meta strong{color:var(--foreground);font-weight:500}hr.divider{border:none;border-top:1px solid var(--border);margin:24px 0}.topbar{z-index:20;background:var(--background);border-bottom:1px solid var(--border);position:sticky;top:0}.topbar-inner{min-height:var(--topbar-height);justify-content:space-between;align-items:center;gap:20px;display:flex}.brand{letter-spacing:-.015em;color:var(--foreground);align-items:center;gap:10px;font-weight:600;display:flex}.brand-mark{background:var(--foreground);width:28px;height:28px;color:var(--background);font-weight:600;font-size:var(--font-size-sm);border-radius:6px;place-items:center;display:grid}.nav-links{color:var(--muted);font-size:var(--font-size-sm);align-items:center;gap:18px;display:flex}.nav-links a:hover{color:var(--foreground)}.hero{padding:96px 0 48px}.hero-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:48px;display:grid}.hero h1{letter-spacing:-.03em;color:var(--foreground);margin:0 0 16px;font-size:clamp(2.4rem,4.6vw,4rem);font-weight:600;line-height:1.05}.hero h1 .inline-wordmark{vertical-align:-.28em;width:auto;height:1.35em;margin:0 0 0 .1em;display:inline-block}.brand-lockup{align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-lockup-icon{flex-shrink:0;display:inline-block}.brand-lockup-wordmark{display:inline-block}.hero p{color:var(--muted);max-width:56ch;margin:0 0 28px;font-size:17px;line-height:1.5}.section{padding:56px 0}.section-head{justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;display:flex}.section h2{letter-spacing:-.025em;margin:0;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:600}.section-copy{color:var(--muted);max-width:64ch;margin:8px 0 0}.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.metric-card .label{color:var(--muted);font-size:var(--font-size-sm)}.metric-card .value{color:var(--foreground);letter-spacing:-.025em;font-variant-numeric:tabular-nums;margin:8px 0 4px;font-size:28px;font-weight:600}.metric-card .hint{color:var(--muted);line-height:1.5;font-size:var(--font-size-sm)}.feature-grid,.pricing-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.feature-card h3,.pricing-card h3,.community-card h3,.table-card h3,.ai-card h3,.form-card h3{margin:0 0 6px}.hero-preview{border-radius:var(--radius-card);padding:24px}.hero-preview .window{border:1px solid var(--border);background:var(--background);border-radius:10px;overflow:hidden}.hero-preview .window-top{background:var(--surface);border-bottom:1px solid var(--border);gap:6px;padding:10px 14px;display:flex}.hero-preview .dot{background:var(--border-strong);border-radius:999px;width:8px;height:8px}.hero-preview .window-body{gap:14px;padding:18px;display:grid}.hero-preview .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.hero-preview .mini-card{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:12px}.platform-layout{grid-template-columns:var(--sidebar-width) minmax(0, 1fr);min-height:100vh;display:grid}.platform-main{background:var(--background);flex-direction:column;display:flex}.platform-main>:not(.platform-topbar){padding-left:32px;padding-right:32px}.platform-main>.platform-topbar+*{padding-top:32px}.platform-main>:last-child:not(.platform-topbar){padding-bottom:64px}.platform-main>:not(.platform-topbar){animation:.22s ease-out page-fade}@keyframes page-fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.platform-header{justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px;display:flex}.platform-header h1{font-size:var(--font-size-3xl);letter-spacing:-.025em;color:var(--foreground);margin:0;font-weight:600}.platform-header p{color:var(--muted);font-size:var(--font-size-base);margin:6px 0 0}.sidebar{border-right:1px solid var(--border);background:var(--background);flex-direction:column;height:100vh;padding:20px;display:flex;position:sticky;top:0;overflow-y:auto}.sidebar.v2{gap:16px}.sidebar nav{gap:1px;margin:0;display:grid}.sidebar-link{font-size:var(--font-size-base);color:var(--body);border-radius:6px;justify-content:space-between;align-items:center;padding:7px 12px 7px 14px;text-decoration:none;transition:color .14s,background .14s;position:relative;display:flex!important}.sidebar-link:hover{color:var(--foreground);background:var(--surface)}.sidebar-link.active{color:var(--accent);background:0 0;font-weight:500}.sidebar-link.active:before{content:"";background:var(--accent);border-radius:2px;width:2px;position:absolute;top:6px;bottom:6px;left:0}.sidebar-link-inner{align-items:center;gap:0;display:inline-flex}.sidebar-icon{display:none}.sidebar-badge{background:var(--accent);color:#fff;text-align:center;border-radius:999px;min-width:18px;padding:1px 6px;font-size:10px;font-weight:500}.sidebar-section{margin:8px 0 0}.sidebar-section-toggle{cursor:pointer;width:100%;color:var(--muted);font-weight:500;font-size:var(--font-size-xs);letter-spacing:0;background:0 0;border:none;justify-content:space-between;align-items:center;padding:6px 12px;display:flex}.sidebar-section-toggle:hover{color:var(--body)}.sidebar-section-label-row{align-items:center;gap:6px;display:inline-flex}.sidebar-section-label{color:var(--muted);font-size:var(--font-size-xs);margin:0 12px 8px;font-weight:500}.sidebar-subjects{gap:2px;display:grid}.sidebar-subject{border-radius:6px;gap:6px;padding:8px 12px;text-decoration:none;transition:background .14s;display:grid;position:relative}.sidebar-subject:hover{background:var(--surface)}.sidebar-subject.active{color:var(--accent);background:0 0}.sidebar-subject.active:before{content:"";background:var(--accent);border-radius:2px;width:2px;position:absolute;top:8px;bottom:8px;left:0}.sidebar-subject-row{font-size:var(--font-size-sm);justify-content:space-between;align-items:center;display:flex}.sidebar-subject-code{color:var(--foreground);font-weight:500}.sidebar-subject-pct{color:var(--muted);font-size:var(--font-size-xs);font-variant-numeric:tabular-nums}.sidebar-subject-title{display:none}.sidebar-search{position:relative}.sidebar-search-icon{color:var(--muted);pointer-events:none;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.sidebar-search-input{height:32px;font-size:var(--font-size-sm);background:var(--surface);border-color:#0000;padding-left:32px}.sidebar-search-input:focus{background:var(--background);border-color:var(--border)}.quick-study-btn{border-radius:var(--radius-button);border:1px solid var(--border);background:var(--background);height:32px;color:var(--foreground);font-weight:500;font-size:var(--font-size-sm);cursor:pointer;justify-content:center;align-items:center;gap:8px;transition:border-color .14s,background .14s;display:inline-flex}.quick-study-btn:hover{border-color:var(--border-strong);background:var(--surface)}.sidebar-meta{border-top:1px solid var(--border);font-size:var(--font-size-sm);margin-top:auto;padding:16px 12px}.sidebar-meta strong{color:var(--foreground);font-weight:500}.platform-topbar{height:var(--topbar-height);border-bottom:1px solid var(--border);background:var(--background);z-index:5;justify-content:space-between;align-items:center;padding:0 32px;display:flex;position:sticky;top:0}.topbar-greeting{font-size:var(--font-size-base);color:var(--muted);font-weight:400}.topbar-greeting strong{color:var(--foreground);font-weight:500}.topbar-actions{align-items:center;gap:4px;display:inline-flex}.topbar-icon-btn{width:32px;height:32px;color:var(--body);cursor:pointer;background:0 0;border:none;border-radius:6px;place-items:center;transition:background .14s,color .14s;display:inline-grid}.topbar-icon-btn:hover{background:var(--surface);color:var(--foreground)}.topbar-search-trigger{border:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:var(--font-size-sm);cursor:pointer;border-radius:6px;align-items:center;gap:8px;min-width:280px;padding:6px 10px;transition:border-color .14s,background .14s;display:inline-flex}.topbar-search-trigger:hover{border-color:var(--border-strong)}.topbar-search-trigger>span{text-align:left;flex:1}.avatar-trigger{cursor:pointer;background:0 0;border:none;border-radius:999px;align-items:center;gap:8px;padding:4px 8px 4px 4px;transition:background .14s;display:inline-flex;position:relative}.avatar-trigger:hover{background:var(--surface)}.avatar-trigger .avatar.small{width:28px;height:28px;font-size:var(--font-size-xs);background:var(--foreground);color:var(--background);border:none}.avatar-trigger-name{font-size:var(--font-size-sm);color:var(--foreground);font-weight:500}.avatar-dot{background:var(--accent);border:2px solid var(--background);border-radius:999px;width:8px;height:8px;position:absolute;top:2px;right:6px}.avatar-menu{background:var(--background);border:1px solid var(--border);z-index:30;border-radius:10px;flex-direction:column;gap:1px;min-width:240px;padding:6px;display:flex;position:absolute;top:calc(100% + 8px);right:0}.avatar-menu-item{font-size:var(--font-size-sm);color:var(--body);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:6px;justify-content:space-between;align-items:center;width:100%;padding:8px 10px;text-decoration:none;transition:background .14s,color .14s;display:flex}.avatar-menu-item:hover{background:var(--surface);color:var(--foreground)}.avatar-menu-divider{background:var(--border);height:1px;margin:4px 0}.avatar-menu-meta{border-bottom:1px solid var(--border);margin-bottom:4px;padding:10px}.avatar-menu-meta strong{font-size:var(--font-size-sm);color:var(--foreground);font-weight:500;display:block}.avatar-menu-meta span{color:var(--muted);font-size:var(--font-size-xs)}.bell-wrap,.bell-trigger{position:relative}.bell-count{background:var(--accent);color:#fff;text-align:center;border-radius:999px;min-width:14px;padding:1px 4px;font-size:10px;font-weight:500;line-height:1.3;position:absolute;top:2px;right:2px}.bell-panel{background:var(--background);border:1px solid var(--border);z-index:30;border-radius:10px;width:360px;max-width:calc(100vw - 32px);max-height:440px;padding:6px;position:absolute;top:calc(100% + 8px);right:0;overflow-y:auto}.bell-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:4px;padding:8px 10px;display:flex}.bell-mark-all{color:var(--accent);font-size:var(--font-size-xs);cursor:pointer;background:0 0;border:none;font-weight:500}.bell-empty{text-align:center;color:var(--muted);font-size:var(--font-size-sm);padding:24px 14px}.bell-list{gap:1px;margin:0;padding:0;list-style:none;display:grid}.bell-item-link{text-align:left;cursor:pointer;width:100%;color:var(--body);background:0 0;border:none;border-radius:6px;gap:4px;padding:10px;text-decoration:none;display:grid}.bell-item-link:hover{background:var(--surface)}.bell-item.unread .bell-item-link{background:var(--accent-muted)}.bell-item-meta{font-size:var(--font-size-xs);color:var(--muted);align-items:center;gap:8px;display:inline-flex}.bell-kind{background:var(--surface);border:1px solid var(--border);color:var(--body);border-radius:999px;padding:1px 6px;font-size:10px;font-weight:500}.bell-unread-dot{background:var(--accent);border-radius:999px;width:6px;height:6px}.bell-item-title{font-size:var(--font-size-sm);color:var(--foreground);font-weight:500}.bell-item-body{font-size:var(--font-size-sm)}.dashboard-top-row{grid-template-columns:1fr 1.4fr;gap:16px;display:grid}.streak-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.streak-value{font-size:var(--font-size-4xl);letter-spacing:-.03em;color:var(--foreground);font-variant-numeric:tabular-nums;margin:6px 0 4px;font-weight:600;line-height:1}.streak-badge{text-align:right;font-size:var(--font-size-xs);color:var(--muted)}.streak-badge-emoji{display:none}.streak-badge-label{color:var(--accent);font-weight:500}.hours-row{gap:32px;margin-top:8px;display:flex}.hours-value{letter-spacing:-.025em;color:var(--foreground);font-variant-numeric:tabular-nums;font-size:28px;font-weight:600}.activity-row{border:1px solid var(--border);background:var(--background);border-radius:8px;grid-template-columns:32px 1fr auto;align-items:center;gap:12px;padding:12px 14px;text-decoration:none;transition:border-color .14s;display:grid}.activity-row:hover{border-color:var(--border-strong)}.activity-icon{background:var(--surface);width:32px;height:32px;color:var(--foreground);font-weight:500;font-size:var(--font-size-sm);border-radius:6px;place-items:center;display:grid}.activity-title{color:var(--foreground);font-weight:500;font-size:var(--font-size-sm)}.activity-meta{font-size:var(--font-size-xs);margin-top:2px}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.stat-card{padding:20px}.stat-value{letter-spacing:-.025em;color:var(--foreground);font-variant-numeric:tabular-nums;margin:6px 0 4px;font-size:28px;font-weight:600}.urgent-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.urgent-badge{border-color:var(--border);color:var(--danger);background:0 0}.urgent-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:12px;display:grid}.urgent-item{border:1px solid var(--border);border-radius:8px;padding:12px 14px;text-decoration:none;transition:border-color .14s;display:block}.urgent-item:hover{border-color:var(--border-strong)}.urgent-code{font-size:var(--font-size-xs);color:var(--danger);font-weight:500}.urgent-title{color:var(--foreground);font-weight:500;font-size:var(--font-size-sm);margin-top:2px}.urgent-fill{background:var(--danger)}.urgent-meta{font-size:var(--font-size-xs);color:var(--muted);margin-top:6px}.concepts-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px;display:grid}.concept-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.concept-cta{height:30px;font-size:var(--font-size-sm);padding:0 10px}.concept-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.concept-list li{font-size:var(--font-size-sm);color:var(--body);grid-template-columns:22px 1fr;align-items:start;gap:10px;line-height:1.5;display:grid}.concept-number{background:var(--surface);width:22px;height:22px;color:var(--foreground);font-weight:500;font-size:var(--font-size-xs);border-radius:6px;place-items:center;display:grid}.subject-card{gap:14px;padding:20px;display:grid}.subject-card header{gap:4px;margin-bottom:0;display:grid}.subject-card .kicker{color:var(--muted);margin:0}.subject-card h3{font-size:var(--font-size-lg);letter-spacing:-.015em;color:var(--foreground);margin:0;font-weight:600}.subject-card .muted{display:none}.subject-tags{flex-wrap:wrap;gap:6px;display:inline-flex}.subject-tag{background:var(--surface);border:1px solid var(--border);color:var(--body);font-variant-numeric:tabular-nums;border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-size:11px;font-weight:500;display:inline-flex}.subject-card .button{align-self:start}.subject-hero{border-radius:var(--radius-card);background:var(--background);border:1px solid var(--border);grid-template-columns:1.4fr 1fr;gap:32px;padding:32px;display:grid}.subject-hero-main{flex-direction:column;align-items:flex-start;gap:18px;display:flex}.subject-hero-meta{flex-direction:column;gap:12px;display:flex}.subject-hero-title{font-size:var(--font-size-3xl);letter-spacing:-.025em;color:var(--foreground);margin:0;font-weight:600}.subject-hero-desc{font-size:var(--font-size-md);color:var(--muted);max-width:60ch;margin:0;line-height:1.55}.subject-hero-stats{flex-direction:column;align-items:center;gap:16px;display:flex}.quick-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;width:100%;display:grid}.quick-stat{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:8px;padding:12px}.quick-stat-value{font-size:var(--font-size-xl);color:var(--foreground);font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-top:2px;font-weight:600}.subject-meta-row{grid-template-columns:1fr 1.2fr 1.4fr;gap:16px;display:grid}.subject-tabs-card{padding:0;overflow:hidden}.subject-tabs-card .tab-list{padding:12px 20px 0}.tab-panel{padding:20px;animation:.22s ease-out page-fade}.tab-list{border-bottom:1px solid var(--border);flex-wrap:wrap;gap:4px;display:flex}.tab-button{height:36px;color:var(--muted);font-weight:500;font-size:var(--font-size-sm);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:0 12px;transition:color .14s,border-color .14s;position:relative}.tab-button:hover{color:var(--foreground)}.tab-button.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-button.is-disabled,.tab-button[disabled]{color:var(--muted);opacity:.45;cursor:not-allowed}.tab-button.is-disabled:hover{color:var(--muted)}.progress-ring{place-items:center;display:grid;position:relative}.progress-ring-fill{transition:stroke-dashoffset .7s cubic-bezier(.16,1,.3,1)}.progress-ring-label{text-align:center;place-items:center;display:grid;position:absolute;inset:0}.progress-ring-value{font-size:var(--font-size-xl);color:var(--foreground);letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-weight:600;line-height:1}.progress-ring-caption{color:var(--muted);margin-top:2px;font-size:11px}.flashcard-stack{gap:16px}.flashcard{background:var(--background);border:1px solid var(--border);border-radius:var(--radius-card);padding:20px}.deck-progress{gap:8px;display:grid}.deck-progress-meta{font-size:var(--font-size-sm);color:var(--muted);justify-content:space-between;display:flex}.flip-card{cursor:pointer;perspective:1200px;background:0 0;border:none;width:100%;min-height:280px;padding:0;position:relative}.flip-card-inner{width:100%;height:100%;min-height:280px;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.flip-card.flipped .flip-card-inner{transform:rotateY(180deg)}.flip-card-face{backface-visibility:hidden;background:var(--background);border:1px solid var(--border);border-radius:var(--radius-card);text-align:left;flex-direction:column;justify-content:center;padding:32px;display:flex;position:absolute;inset:0}.flip-card-back{background:var(--surface);transform:rotateY(180deg)}.flip-card-text{font-size:var(--font-size-lg);color:var(--foreground);letter-spacing:-.015em;margin-top:6px;font-weight:500;line-height:1.55}.flip-card-hint{font-size:var(--font-size-xs);color:var(--muted);position:absolute;bottom:18px;right:22px}.flip-card-bookmark{position:absolute;top:16px;right:16px}.flip-card:hover .flip-card-face{border-color:var(--border-strong)}.swipe-indicator{font-size:var(--font-size-xl);pointer-events:none;font-weight:600;position:absolute;top:50%;transform:translateY(-50%)}.swipe-indicator-hard{color:var(--danger);left:32px}.swipe-indicator-good{color:var(--success);right:32px}.swipe-indicator-fine{color:var(--warning);top:24px;left:50%;transform:translate(-50%)}.rating-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.rating-btn-large{border:1px solid var(--border);background:var(--background);cursor:pointer;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:14px 12px;font-weight:500;transition:border-color .14s,background .14s,color .14s;display:flex}.rating-btn-large:hover{background:var(--surface);border-color:var(--border-strong)}.rating-btn-large.hard:hover{color:var(--danger);border-color:var(--danger)}.rating-btn-large.fine:hover{color:var(--warning);border-color:var(--warning)}.rating-btn-large.good:hover{color:var(--success);border-color:var(--success)}.rating-label{font-size:var(--font-size-base);font-weight:500}.rating-sub{font-size:var(--font-size-xs);color:var(--muted);font-weight:400}.rating-pill{border:1px solid var(--border);background:var(--surface);color:var(--body);border-radius:999px;align-items:center;padding:2px 8px;font-size:11px;font-weight:500;display:inline-flex}.onboarding-card{padding:20px}.onboarding-list{line-height:1.55;font-size:var(--font-size-sm);color:var(--body);gap:8px;margin:12px 0 14px;padding-left:20px;display:grid}.onboarding-ratings{flex-wrap:wrap;gap:6px;margin:8px 0 0;padding:0;list-style:none;display:flex}.onboarding-ratings li{font-size:var(--font-size-sm);align-items:center;gap:6px;display:flex}.celebration-card{text-align:center;background:var(--background);padding:56px 32px}.celebration-burst{display:none}.celebration-title{font-size:var(--font-size-2xl);letter-spacing:-.025em;margin:0 0 8px;font-weight:600}.celebration-sub{max-width:48ch;color:var(--muted);margin:0 auto 20px}.deck-done{text-align:left;padding:32px}.tour-shell{flex-direction:column;gap:18px;max-width:640px;margin:56px auto;display:flex}.tour-progress{flex-direction:column;gap:8px;display:flex}.tour-progress-meta{font-size:var(--font-size-sm);color:var(--muted);justify-content:space-between;font-weight:400;display:flex}.tour-card{flex-direction:column;min-height:380px;padding:40px 36px;display:flex}.tour-pane{flex-direction:column;flex:1;gap:14px;display:flex}.tour-pane h2{font-size:var(--font-size-2xl);letter-spacing:-.025em;margin:4px 0 0}.tour-pane-welcome{text-align:center;justify-content:center;align-items:center}.tour-logo{place-items:center;width:56px;height:56px;margin:0 auto;display:grid}.tour-mark{width:56px;height:56px;font-size:var(--font-size-lg);background:var(--foreground);color:var(--background);border-radius:10px}.tour-pulse{display:none}.tour-icon-bubble{background:var(--surface);width:40px;height:40px;color:var(--foreground);border:1px solid var(--border);border-radius:8px;place-items:center;display:inline-grid}.tour-bullets{font-size:var(--font-size-sm);color:var(--body);gap:8px;margin:6px 0;padding:0;list-style:none;display:grid}.tour-bullets li{padding-left:20px;line-height:1.55;position:relative}.tour-bullets li:before{content:"";background:var(--accent);border-radius:999px;width:6px;height:6px;position:absolute;top:9px;left:0}.tour-subjects{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px;margin-top:14px;display:grid}.tour-subject{border:1px solid var(--border);background:var(--background);text-align:left;cursor:pointer;border-radius:8px;flex-direction:column;gap:4px;padding:12px 14px;transition:border-color .14s,background .14s;display:flex}.tour-subject:hover{border-color:var(--border-strong);background:var(--surface)}.tour-subject.picked{border-color:var(--accent);background:var(--accent-muted)}.tour-subject .kicker{color:var(--muted)}.tour-subject strong{color:var(--foreground);font-weight:500;font-size:var(--font-size-sm)}.tour-footer{border-top:1px solid var(--border);justify-content:space-between;margin-top:24px;padding-top:20px;display:flex}.empty-state{text-align:center;flex-direction:column;align-items:center;gap:6px;padding:56px 24px;display:flex}.empty-illustration{opacity:.85;margin-bottom:8px}.empty-title{font-size:var(--font-size-lg);margin:0;font-weight:600}.empty-desc{max-width:44ch;color:var(--muted);font-size:var(--font-size-sm);margin:0}.empty-action{margin-top:14px}.watermark-wrap{isolation:isolate;position:relative}.watermark-overlay{z-index:0;pointer-events:none;-webkit-user-select:none;user-select:none;transform-origin:50%;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;padding:24px;display:grid;position:absolute;inset:0;overflow:hidden;transform:rotate(-22deg)scale(1.6)}.watermark-text{letter-spacing:.04em;color:#4f46e50f;white-space:nowrap;text-transform:uppercase;font-size:11px;font-weight:500}.watermark-content{z-index:1;position:relative}.content-protection{isolation:isolate;-webkit-user-select:none;user-select:none;position:relative}.content-protection-overlay{z-index:0;pointer-events:none;-webkit-user-select:none;user-select:none;transform-origin:50%;opacity:.15;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px;padding:24px;display:grid;position:absolute;inset:0;overflow:hidden;transform:rotate(-22deg)scale(1.6)}.content-protection-text{letter-spacing:.06em;color:var(--accent,#4f46e5);white-space:nowrap;text-transform:uppercase;font-size:13px;font-weight:600}.content-protection-body{z-index:1;position:relative}.content-protection-cursor{z-index:9999;pointer-events:none;color:#fff;letter-spacing:.02em;opacity:0;white-space:nowrap;will-change:transform;background:#0f172ac7;border-radius:6px;padding:4px 8px;font-size:11px;font-weight:500;transition:opacity .12s;position:fixed;top:0;left:0}.content-protection-print{display:none}.course-week-nav{flex-wrap:wrap;gap:8px;display:flex}.course-week-pill{border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:var(--font-size-sm);padding:6px 14px;font-weight:500}.course-week-pill.active{background:var(--accent);color:#fff;border-color:var(--accent)}.course-week-pill.disabled{opacity:.4;cursor:pointer}.protected-pdf-modal{z-index:9000;background:#0f172a99;place-items:stretch stretch;padding:24px;display:grid;position:fixed;inset:0}.protected-pdf-modal .protected-pdf-shell{width:min(1100px,100%);max-height:calc(100vh - 48px);margin:0 auto}.course-pdf-table{border-collapse:collapse;width:100%;font-size:var(--font-size-sm)}.course-pdf-table th,.course-pdf-table td{text-align:left;border-bottom:1px solid var(--border);padding:8px 10px}.course-pdf-table th{color:var(--muted);background:var(--surface);font-weight:500}.course-renderer{isolation:isolate;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;position:relative}.course-article{z-index:1;max-width:760px;margin:0 auto;padding:32px 24px 64px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,system-ui,sans-serif;position:relative}.course-article-header{margin-bottom:24px}.course-article-body{flex-direction:column;display:flex}.course-subtitle{color:var(--muted);margin:8px 0 0;font-size:1rem;line-height:1.6}.course-h1{color:var(--accent);letter-spacing:-.01em;margin:0;font-size:2rem;line-height:1.2}.course-h2{color:var(--accent);border-bottom:2px solid var(--accent);margin:32px 0 12px;padding-bottom:6px;font-size:1.4rem;line-height:1.3;display:inline-block}.course-h3{color:var(--foreground);margin:24px 0 8px;font-size:1.1rem;font-weight:600;line-height:1.4}.course-paragraph{color:var(--foreground);margin:0 0 14px;font-size:1rem;line-height:1.7}.course-paragraph strong,.course-callout-content strong,.course-callout-list strong{font-weight:600}.course-paragraph em,.course-callout-content em,.course-callout-list em{font-style:italic}.course-key-concept{color:#4f46e5;font-weight:700}[data-theme=dark] .course-key-concept{color:#a5b4fc}.course-table-wrap{margin:18px 0;overflow-x:auto}.course-table{border-collapse:collapse;background:var(--background);width:100%;font-size:.95rem}.course-table th,.course-table td{text-align:left;border:1px solid #e5e7eb;padding:12px 16px;line-height:1.5}.course-table th{color:#374151;background:#f9fafb;font-weight:600}.course-table tbody tr:hover{background:#f9fafb}[data-theme=dark] .course-table th{color:#e5e7eb;background:#1f2330}[data-theme=dark] .course-table th,[data-theme=dark] .course-table td{border-color:#2a2f3d}[data-theme=dark] .course-table tbody tr:hover{background:#1a1d28}.course-table-caption{text-align:center;color:var(--muted);margin-top:8px;font-size:.9rem;font-style:italic}.course-table strong{font-weight:600}.course-table em{font-style:italic}.mcq-section{flex-direction:column;gap:18px;margin:16px 0;display:flex}.mcq-progress{color:var(--muted);background:var(--surface);border-radius:var(--radius-card);border:1px solid var(--border);padding:10px 14px;font-size:14px}.mcq-progress strong{color:var(--accent);font-size:16px}.mcq-score-card{border-radius:var(--radius-card);text-align:center;border:1px solid;padding:18px 20px}.mcq-score-card--success{color:#065f46;background:#dcfce7;border-color:#10b981}.mcq-score-card--warning{color:#78350f;background:#fef3c7;border-color:#f59e0b}.mcq-score-card--danger{color:#7f1d1d;background:#fee2e2;border-color:#ef4444}[data-theme=dark] .mcq-score-card--success{color:#a7f3d0;background:#10b9812e}[data-theme=dark] .mcq-score-card--warning{color:#fde68a;background:#f59e0b2e}[data-theme=dark] .mcq-score-card--danger{color:#fecaca;background:#ef44442e}.mcq-score-headline{font-size:22px;font-weight:700}.mcq-score-headline strong{color:inherit;font-size:28px}.mcq-score-detail{opacity:.85;margin-top:4px;font-size:14px}.mcq-list{flex-direction:column;gap:18px;margin:0;padding:0;list-style:none;display:flex}.mcq-card{background:var(--background);border:1px solid var(--border);border-radius:10px;padding:18px 20px;transition:border-color .16s;box-shadow:0 1px 2px #0f172a0d}.mcq-card--correct{border-color:#10b981;box-shadow:0 1px 2px #10b98133}.mcq-card--incorrect{border-color:#ef4444;box-shadow:0 1px 2px #ef444433}.mcq-card-header{justify-content:space-between;align-items:baseline;margin-bottom:8px;display:flex}.mcq-card-num{color:var(--accent);font-size:15px;font-weight:700}.mcq-card-points{color:var(--muted);font-size:13px}.mcq-card-question{margin:0 0 12px;font-size:16px;font-weight:500;line-height:1.6}.mcq-card-options{flex-direction:column;gap:8px;display:flex}.mcq-card-options--two-col{grid-template-columns:1fr;gap:8px;display:grid}@media (min-width:720px){.mcq-card-options--two-col{grid-template-columns:1fr 1fr}}.mcq-option{border:1px solid var(--border);cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:9px 12px;font-size:15px;line-height:1.5;transition:background .12s,border-color .12s;display:flex}.mcq-option:hover{background:#f9fafb}[data-theme=dark] .mcq-option:hover{background:#1a1d28}.mcq-option input[type=radio]{accent-color:#4f46e5;flex:none;margin:0}.mcq-option-letter{min-width:18px;font-weight:600}.mcq-option-text{flex:1}.mcq-option-tag{margin-left:8px;font-size:13px;font-weight:700}.mcq-option-tag--correct{color:#10b981;font-size:18px}.mcq-option-tag--wrong{color:#ef4444;font-size:18px}.mcq-option-tag--key{color:#065f46;text-transform:uppercase;letter-spacing:.04em;background:#dcfce7;border-radius:999px;padding:2px 8px;font-size:11px}.mcq-option--selected{background:#eef2ff;border-color:#4f46e5}[data-theme=dark] .mcq-option--selected{background:#4f46e52e}.mcq-option--selected-correct{background:#dcfce7;border-color:#10b981}[data-theme=dark] .mcq-option--selected-correct{background:#10b9812e}.mcq-option--selected-wrong{background:#fee2e2;border-color:#ef4444}[data-theme=dark] .mcq-option--selected-wrong{background:#ef44442e}.mcq-option--answer-key{background:#dcfce7;border-style:dashed;border-color:#10b981}[data-theme=dark] .mcq-option--answer-key{background:#10b9811a}.mcq-explanation-link{color:var(--accent);margin-top:12px;font-size:13px;font-weight:500;text-decoration:none;display:inline-block}.mcq-explanation-link:hover{text-decoration:underline}.mcq-footer{justify-content:center;padding-top:12px;display:flex}@media (max-width:640px){.mcq-card{padding:14px 16px}.mcq-option{padding:8px 10px;font-size:14px}.mcq-card-question{font-size:15px}}.mock-exam-gate{text-align:center;border:1px solid var(--border);border-radius:var(--radius-card);max-width:640px;margin:32px auto;padding:28px}.mock-exam-gate-badge{color:#78350f;background:#fef3c7;border:1px solid #f59e0b}[data-theme=dark] .mock-exam-gate-badge{color:#fde68a;background:#f59e0b2e}.mock-exam-gate-actions{flex-direction:column;align-items:stretch;gap:10px;max-width:420px;margin:0 auto;display:flex}.course-collapsible{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;margin:12px 0;overflow:hidden}[data-theme=dark] .course-collapsible{background:#1a1d28;border-color:#2a2f3d}.course-collapsible-header{text-align:left;width:100%;color:var(--foreground);cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:12px 16px;font-size:15px;font-weight:600;transition:background .14s;display:flex}.course-collapsible-header:hover{background:#f3f4f6}[data-theme=dark] .course-collapsible-header:hover{background:#20232f}.course-collapsible-header:focus-visible{outline-offset:2px;outline:2px solid #4f46e5}.course-collapsible.is-open .course-collapsible-header{background:#f3f4f6;border-bottom:1px solid #e5e7eb}[data-theme=dark] .course-collapsible.is-open .course-collapsible-header{background:#20232f;border-bottom-color:#2a2f3d}.course-collapsible-chevron{color:var(--muted);text-align:center;flex:none;width:14px;font-size:11px;display:inline-block}.course-collapsible-icon{flex:none;font-size:16px;line-height:1}.course-collapsible-title{flex:1}.course-collapsible-grid{grid-template-rows:0fr;transition:grid-template-rows .3s ease-out;display:grid}.course-collapsible.is-open .course-collapsible-grid{grid-template-rows:1fr}.course-collapsible-grid-inner{min-height:0;overflow:hidden}.course-collapsible-content{padding:16px}.course-collapsible-content>:first-child{margin-top:0}.course-collapsible-content>:last-child{margin-bottom:0}@media (prefers-reduced-motion:reduce){.course-collapsible-grid{transition:none}}.exercise-corrections-coming{text-align:center;max-width:560px;margin:32px auto;padding:28px}.formula-toc{z-index:10;-webkit-backdrop-filter:blur(12px);white-space:nowrap;background:#ffffffd9;border-bottom:1px solid #e5e7eb;align-items:center;gap:18px;margin:16px -24px 24px;padding:12px 24px;display:flex;position:sticky;top:0;overflow-x:auto}[data-theme=dark] .formula-toc{background:#0f111bd9;border-bottom-color:#2a2f3d}.formula-toc-brand{border-right:1px solid #e5e7eb;flex-direction:column;flex:none;padding-right:16px;line-height:1.1;display:flex}[data-theme=dark] .formula-toc-brand{border-right-color:#2a2f3d}.formula-toc-brand-eyebrow{text-transform:uppercase;letter-spacing:.14em;color:#6b7280;font-size:10px;font-weight:600}.formula-toc-brand-title{color:#1e1b4b;font-size:13px;font-weight:700}[data-theme=dark] .formula-toc-brand-title{color:#e0e7ff}.formula-toc-list{flex:1;align-items:center;gap:4px;margin:0;padding:0;list-style:none;display:flex}.formula-toc-item{align-items:center;display:inline-flex}.formula-toc-link{color:#6b7280;font-variant-numeric:tabular-nums;border-radius:6px;padding:4px 10px;font-size:13px;font-weight:500;text-decoration:none;transition:color .14s,background .14s;display:inline-block}.formula-toc-link:hover{color:#4f46e5;background:#4f46e512}.formula-toc-link.is-active{color:#4f46e5;background:#4f46e51a;font-weight:600}[data-theme=dark] .formula-toc-link.is-active{color:#a5b4fc}.formula-toc-sep{color:#d1d5db;-webkit-user-select:none;user-select:none;font-size:11px}@media (max-width:640px){.formula-toc{gap:10px;margin:16px -16px 20px;padding:10px 16px}.formula-toc-brand{padding-right:10px}.formula-toc-brand-title{font-size:12px}.formula-toc-link{padding:4px 8px;font-size:12px}}.course-trigger{background:#eff6ff;border-left:4px solid #3b82f6;border-radius:0 8px 8px 0;gap:12px;margin:16px 0;padding:16px 20px;display:flex}[data-theme=dark] .course-trigger{background:#3b82f61f}.course-trigger-icon{flex:none;font-size:20px;line-height:1.2}.course-trigger-body{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.course-trigger-label{text-transform:uppercase;letter-spacing:.16em;color:#1e40af;font-size:11px;font-weight:700}[data-theme=dark] .course-trigger-label{color:#93c5fd}.course-trigger-keywords{color:#1e3a8a;font-size:15px;font-style:italic;line-height:1.55}[data-theme=dark] .course-trigger-keywords{color:#dbeafe}.course-topic-card{border-top:2px solid #e5e7eb;margin:32px 0 12px;padding-top:32px;padding-bottom:8px;scroll-margin-top:90px}[data-theme=dark] .course-topic-card{border-top-color:#2a2f3d}.course-topic-card-number{text-transform:uppercase;letter-spacing:.18em;color:#4f46e5;border-bottom:1px solid #e5e7eb;margin-bottom:8px;padding-bottom:4px;padding-right:18px;font-size:11px;font-weight:700;display:inline-block}[data-theme=dark] .course-topic-card-number{color:#a5b4fc;border-bottom-color:#2a2f3d}.course-topic-card-row{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:16px;display:flex}.course-topic-card-title{color:#1e1b4b;margin:0;font-size:1.5rem;font-weight:700;line-height:1.2}[data-theme=dark] .course-topic-card-title{color:#e0e7ff}.course-topic-card-weeks{color:#6b7280;font-size:14px;font-style:italic}.flashcards-overview{-webkit-user-select:none;user-select:none;flex-direction:column;gap:24px;display:flex}.flashcards-overview-header{flex-direction:column;gap:4px;display:flex}.flashcards-overview-title{letter-spacing:-.01em;color:var(--foreground);margin:0;font-size:1.7rem}.flashcards-overview-subject{color:var(--accent);font-weight:600}.flashcards-overview-subtitle{color:var(--muted);margin:0}.flashcards-stats{border-radius:12px;padding:24px}.flashcards-stats-title{color:var(--foreground);margin:0 0 14px;font-size:1rem}.flashcards-stats-grid{grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px;display:grid}@media (max-width:720px){.flashcards-stats-grid{grid-template-columns:1fr 1fr}}.flashcards-stat{background:var(--surface);border:1px solid var(--border);border-radius:8px;flex-direction:column;gap:2px;padding:10px 12px;display:flex}.flashcards-stat-value{font-variant-numeric:tabular-nums;font-size:1.4rem;font-weight:700;line-height:1}.flashcards-stat-label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.78rem}.flashcards-stat--muted .flashcards-stat-value{color:var(--foreground)}.flashcards-stat--indigo .flashcards-stat-value{color:#4f46e5}.flashcards-stat--danger .flashcards-stat-value{color:#ef4444}.flashcards-stat--success .flashcards-stat-value{color:#10b981}.flashcards-stats-bar{background:#e5e7eb;border-radius:4px;height:8px;display:flex;overflow:hidden}[data-theme=dark] .flashcards-stats-bar{background:#2a2f3d}.flashcards-stats-bar-segment{height:100%;transition:width .2s}.flashcards-stats-bar-segment.know{background:#10b981}.flashcards-stats-bar-segment.dont-know{background:#ef4444}.flashcards-stats-meta{color:var(--muted);margin:8px 0 0;font-size:12px}.flashcards-resume{background:#eef2ff;border:1px solid #c7d2fe;border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:16px 18px;display:flex}[data-theme=dark] .flashcards-resume{background:#4f46e524;border-color:#6366f166}.flashcards-resume-text{color:#1e1b4b;flex-direction:column;gap:2px;display:flex}[data-theme=dark] .flashcards-resume-text{color:#c7d2fe}.flashcards-resume-text span{color:#4338ca;font-size:13px}[data-theme=dark] .flashcards-resume-text span{color:#a5b4fc}.flashcards-section-title{margin:0 0 12px;font-size:1.1rem}.flashcards-mode-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}@media (max-width:720px){.flashcards-mode-grid{grid-template-columns:1fr}}.flashcards-mode-card{border:1px solid var(--border);background:var(--background);text-align:left;cursor:pointer;border-radius:12px;flex-direction:column;align-items:flex-start;gap:6px;padding:18px 18px 16px;transition:border-color .14s,box-shadow .14s,transform .14s;display:flex}.flashcards-mode-card:hover:not(:disabled){border-color:#4f46e5;transform:translateY(-1px);box-shadow:0 6px 18px #4f46e526}.flashcards-mode-card:focus-visible{outline-offset:2px;outline:2px solid #4f46e5}.flashcards-mode-card.is-disabled,.flashcards-mode-card:disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}.flashcards-mode-card.is-muted{color:var(--muted)}.flashcards-mode-card-icon{font-size:28px;line-height:1}.flashcards-mode-card-title{font-size:1rem;font-weight:600}.flashcards-mode-card-desc{color:var(--muted);font-size:13px}.flashcards-session{-webkit-user-select:none;user-select:none;flex-direction:column;gap:18px;display:flex;position:relative}.flashcards-session-header{z-index:5;-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border);background:#ffffffeb;border-radius:8px;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:-8px -8px 0;padding:10px 14px;display:grid;position:sticky;top:0}[data-theme=dark] .flashcards-session-header{background:#0f111beb}.flashcards-session-back{border:1px solid var(--border);cursor:pointer;color:var(--foreground);background:0 0;border-radius:6px;justify-self:start;padding:6px 12px;font-size:13px}.flashcards-session-back:hover{color:#4f46e5;border-color:#4f46e5}.flashcards-session-progress{color:var(--muted);flex-direction:column;justify-self:center;align-items:center;gap:4px;min-width:140px;font-size:13px;display:flex}.flashcards-session-progress-bar{background:#e5e7eb;border-radius:999px;width:140px;height:4px;overflow:hidden}[data-theme=dark] .flashcards-session-progress-bar{background:#2a2f3d}.flashcards-session-progress-fill{background:#4f46e5;height:100%;transition:width .22s}.flashcards-session-counter{justify-self:end;align-items:center;gap:6px;font-size:13px;display:flex}.flashcards-session-counter-know{color:#10b981;font-weight:600}.flashcards-session-counter-dont{color:#ef4444;font-weight:600}.flashcards-session-counter-dot{color:var(--muted)}.flashcards-session-stage{flex-direction:column;align-items:center;gap:18px;padding:8px 0 24px;display:flex}.flashcards-card-frame{perspective:1500px;width:100%;max-width:600px;animation:.25s ease-out flashcards-card-in}@keyframes flashcards-card-in{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}.flashcards-card{cursor:pointer;width:100%;min-height:280px;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.2,.8,.2,1);position:relative}.flashcards-card.is-flipped{transform:rotateY(180deg)}.flashcards-card-face{backface-visibility:hidden;text-align:center;border:1px solid var(--border);background:var(--background);border-radius:16px;flex-direction:column;justify-content:center;align-items:center;padding:40px 36px;display:flex;position:absolute;inset:0;box-shadow:0 4px 16px #0f172a0f}[data-theme=dark] .flashcards-card-face{box-shadow:0 4px 16px #0006}.flashcards-card-back{background:#f5f3ff;transform:rotateY(180deg)}[data-theme=dark] .flashcards-card-back{background:#4f46e51f}.flashcards-card-kicker{letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-size:11px;font-weight:600}.flashcards-card-text{color:var(--foreground);max-width:540px;max-height:100%;font-size:22px;font-weight:500;line-height:1.5;overflow:auto}.flashcards-card-back .flashcards-card-text{font-size:18px;font-weight:500}.flashcards-math-block{text-align:center;width:100%;margin:10px 0;display:block;overflow-x:auto}.flashcards-card-hint{color:var(--muted);margin-top:18px;font-size:12px}.flashcards-session-actions{justify-content:center;gap:12px;width:100%;max-width:600px;display:flex}.flashcards-rate-btn{cursor:pointer;border:1px solid;border-radius:10px;flex:1;justify-content:center;align-items:center;gap:8px;min-height:56px;padding:14px 16px;font-size:15px;font-weight:600;transition:transform .1s,box-shadow .14s;display:inline-flex}.flashcards-rate-btn:hover{transform:translateY(-1px)}.flashcards-rate-btn:active{transform:translateY(0)}.flashcards-rate-btn--dont-know{color:#7f1d1d;background:#fee2e2;border-color:#ef4444}[data-theme=dark] .flashcards-rate-btn--dont-know{color:#fecaca;background:#ef44442e}.flashcards-rate-btn--know{color:#065f46;background:#dcfce7;border-color:#10b981}[data-theme=dark] .flashcards-rate-btn--know{color:#a7f3d0;background:#10b9812e}.flashcards-rate-btn--neutral{background:var(--accent);border-color:var(--accent);color:#fff;flex:0 240px}.flashcards-rate-icon{font-size:18px;line-height:1}.flashcards-session-mode{font-size:12px}.flashcards-shortcuts{z-index:6;background:var(--background);border:1px solid var(--border);border-radius:10px;padding:8px;font-size:12px;position:fixed;bottom:16px;right:16px;box-shadow:0 6px 16px #0f172a1f}.flashcards-shortcuts.is-open{padding:12px 14px}.flashcards-shortcuts-toggle{color:var(--foreground);cursor:pointer;background:0 0;border:0;padding:0;font-size:12px;font-weight:500}.flashcards-shortcuts-list{color:var(--muted);flex-direction:column;gap:4px;margin:0;padding:8px 0 0;list-style:none;display:flex}.flashcards-shortcuts-list kbd{border:1px solid var(--border);background:var(--surface);border-radius:4px;margin-right:4px;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:11px;display:inline-block}@media (max-width:720px){.flashcards-shortcuts{display:none}.flashcards-session-header{grid-template-columns:auto 1fr auto;gap:8px}.flashcards-session-progress{min-width:0}.flashcards-session-progress-bar{width:100px}.flashcards-card-text{font-size:18px}.flashcards-card-back .flashcards-card-text{font-size:16px}.flashcards-card-face{padding:24px 20px}}.flashcards-end{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:32px 16px;animation:.32s ease-out flashcards-end-in;display:flex}@keyframes flashcards-end-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.flashcards-end-emoji{font-size:56px;line-height:1}.flashcards-end-title{margin:0;font-size:1.8rem}.flashcards-end-stats{grid-template-columns:repeat(3,minmax(120px,1fr));gap:12px;width:100%;max-width:540px;margin-top:8px;display:grid}.flashcards-end-stat{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 14px}.flashcards-end-stat-value{font-size:1.4rem;font-weight:700}.flashcards-end-stat-label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.78rem}.flashcards-end-stat--success .flashcards-end-stat-value{color:#10b981}.flashcards-end-stat--danger .flashcards-end-stat-value{color:#ef4444}.flashcards-end-stat--muted .flashcards-end-stat-value{color:var(--foreground)}.flashcards-end-percent{flex-direction:column;margin:8px 0 6px;display:flex}.flashcards-end-percent-value{color:#4f46e5;font-size:3.2rem;font-weight:800;line-height:1}.flashcards-end-percent-label{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:13px}.flashcards-end-actions{flex-direction:column;gap:8px;width:100%;max-width:380px;margin-top:12px;display:flex}@media (min-width:640px){.flashcards-end-actions{flex-flow:wrap;justify-content:center;max-width:640px}.flashcards-end-actions .button{flex:0 auto;min-width:200px}}.course-list{margin:4px 0 16px;padding-left:22px;line-height:1.7}.course-list li::marker{color:var(--accent)}.course-callout{border-radius:var(--radius-card);border-left-style:solid;border-left-width:4px;gap:12px;margin:16px 0 18px;padding:14px 16px;display:flex}.course-callout-icon{flex:none;margin-top:1px;font-size:18px;line-height:1.2}.course-callout-body{flex:1;min-width:0}.course-callout-title{margin-bottom:4px;font-weight:600;display:block}.course-callout-content{margin:0;line-height:1.6}.course-callout-list{margin:6px 0 0;padding-left:20px;line-height:1.7}.course-callout--must-remember{color:#1e1b4b;background:#eef2ff;border-left-color:#4f46e5}.course-callout--example{color:#78350f;background:#fffbeb;border-left-color:#f59e0b}.course-callout--warning{color:#7f1d1d;background:#fef2f2;border-left-color:#ef4444}.course-callout--mnemonic{color:#065f46;background:#f0fdf4;border-left-color:#10b981}.course-callout--mistakes{color:#7f1d1d;background:#fef2f2;border-left-color:#dc2626}.course-callout--tip{color:#7c2d12;background:#fff7ed;border-left-color:#f97316}.course-callout--tip .course-callout-title{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;display:block}[data-theme=dark] .course-callout--tip{color:#fed7aa;background:#f973161f}[data-theme=dark] .course-callout--must-remember{color:#e0e7ff;background:#4f46e51f}[data-theme=dark] .course-callout--example{color:#fef3c7;background:#f59e0b1f}[data-theme=dark] .course-callout--warning,[data-theme=dark] .course-callout--mistakes{color:#fecaca;background:#ef44441f}[data-theme=dark] .course-callout--mnemonic{color:#a7f3d0;background:#10b9811f}.course-callout--examiner{color:#4c1d95;background:#f5f3ff;border-left-color:#7c3aed}.course-callout--examiner .course-callout-title{text-transform:uppercase;letter-spacing:.12em;color:#6d28d9;font-size:.78rem;display:block}[data-theme=dark] .course-callout--examiner{color:#ddd6fe;background:#7c3aed1f}[data-theme=dark] .course-callout--examiner .course-callout-title{color:#c4b5fd}.ir11-exercise-card,.ir11-correction-card{border-left:3px solid #6366f1}.ir11-prompt{color:#1e1b4b;font-size:16px;font-weight:500;line-height:1.55}.ir11-pattern-badge{text-transform:uppercase;letter-spacing:.08em;color:#5b21b6;background:#ede9fe;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:600}.ir11-toggle-cases,.ir11-toggle-correction{color:#4f46e5;cursor:pointer;background:0 0;border:1px dashed #c7d2fe;border-radius:8px;margin-top:10px;padding:6px 10px;font-size:13px;font-weight:600;transition:background .12s;display:inline-block}.ir11-toggle-cases:hover,.ir11-toggle-correction:hover{background:#eef2ff}.ir11-toggle-correction{margin-top:16px}.ir11-cases-list{margin-top:6px}.ir11-ct-textarea{font-family:var(--font-sans,ui-sans-serif), system-ui, sans-serif;resize:vertical;font-size:14px;line-height:1.55}.mg11-ct-counter.is-empty,.mg11-ct-counter.is-far{color:#7f1d1d;background:#fee2e2}.mg11-ct-counter.is-near{color:#92400e;background:#fef3c7}.mg11-ct-counter.is-in-range{color:#065f46;background:#dcfce7}.ir11-inline-correction{background:#f8fafc;border-left:3px solid #6366f1;border-radius:8px;margin-top:18px;padding:16px 18px}.ir11-correction-heading{text-transform:uppercase;letter-spacing:.08em;color:#4f46e5;margin:16px 0 8px;font-size:13px;font-weight:700}.ir11-correction-heading:first-of-type{margin-top:0}.ir11-correction-intro,.ir11-correction-conclusion{color:#1f2937;margin:8px 0 12px;font-size:14px;line-height:1.6}.ir11-correction-body{background:#fff;border:1px solid #e5e7eb;border-radius:6px;margin:10px 0;padding:10px 12px}.ir11-correction-body h5{color:#1e1b4b;margin:0 0 8px;font-size:14px;font-weight:700}.ir11-correction-body ul{margin:0 0 8px;padding-left:20px}.ir11-correction-body li{color:#1f2937;font-size:13px;line-height:1.55}.ir11-correction-meta{color:#6b7280;margin-top:6px;font-size:12px}.ir11-correction-meta-label{color:#4f46e5;text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:700}.ir11-mark-breakdown,.ir11-pitfalls,.ir11-authors{color:#1f2937;margin:6px 0 0;padding-left:20px;font-size:13px;line-height:1.6}[data-theme=dark] .ir11-prompt{color:#ddd6fe}[data-theme=dark] .ir11-pattern-badge{color:#ddd6fe;background:#7c3aed2e}[data-theme=dark] .ir11-inline-correction{background:#6366f114}[data-theme=dark] .ir11-correction-body{background:#ffffff0a;border-color:#ffffff14}[data-theme=dark] .ir11-correction-heading{color:#c4b5fd}[data-theme=dark] .ir11-correction-intro,[data-theme=dark] .ir11-correction-conclusion,[data-theme=dark] .ir11-correction-body li,[data-theme=dark] .ir11-mark-breakdown,[data-theme=dark] .ir11-pitfalls,[data-theme=dark] .ir11-authors{color:#e5e7eb}[data-theme=dark] .ir11-correction-body h5{color:#ddd6fe}[data-theme=dark] .ir11-correction-meta{color:#9ca3af}[data-theme=dark] .ir11-correction-meta-label{color:#c4b5fd}.ir11-toggle-outline{color:#92400e;cursor:pointer;background:#fef3c7;border:1px dashed #d97706;border-radius:8px;margin-top:12px;padding:6px 10px;font-size:13px;font-weight:600;transition:background .12s;display:inline-block}.ir11-toggle-outline:hover{background:#fde68a}.ir11-outline-map{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:10px;margin:14px 0;padding:12px}.ir11-outline-map svg{max-width:100%;height:auto}.ir11-outline-map figcaption{color:#6b7280;margin-top:8px;font-size:12px;font-style:italic}.ir11-outline-map--inline{margin-top:8px}.ir11-correction-limitations,.ir11-connect-dots{border-radius:8px;margin-top:16px;padding:12px 14px}.ir11-correction-limitations{background:#fef3c7;border-left:3px solid #d97706}.ir11-connect-dots{color:#1f2937;background:#eef2ff;border-left:3px solid #4f46e5;font-size:13px;line-height:1.6}.ir11-connect-dots p{margin:4px 0 0}[data-theme=dark] .ir11-toggle-outline{color:#fde68a;background:#d977062e}[data-theme=dark] .ir11-outline-map{background:#ffffff0a;border-color:#ffffff14}[data-theme=dark] .ir11-correction-limitations{background:#d9770624}[data-theme=dark] .ir11-connect-dots{color:#e5e7eb;background:#6366f11f}.ir11-mock-grid{grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:18px;margin-top:18px;display:grid}.ir11-mock-card-landing{background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:14px;padding:20px;display:flex}.ir11-mock-card-landing h2{color:#1e1b4b;margin:0;font-size:18px;font-weight:700}.ir11-mock-card-stats{color:#374151;flex-direction:column;gap:6px;margin:0;padding:0;font-size:13px;line-height:1.5;list-style:none;display:flex}.ir11-mock-card-stats strong{color:#4f46e5;text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:700}.ir11-mock-modal-backdrop{z-index:200;background:#0f172a8c;place-items:center;display:grid;position:fixed;inset:0}.ir11-mock-modal{background:#fff;border-radius:12px;max-width:520px;padding:26px;box-shadow:0 20px 50px #00000040}.ir11-mock-modal h3{color:#1e1b4b;margin:0 0 8px}.ir11-mock-modal p{margin:0 0 16px}.ir11-mock-modal-actions{flex-direction:column;gap:8px;display:flex}.ir11-mock-modal-cancel{color:#6b7280;cursor:pointer;background:0 0;border:none;margin-top:4px;padding:8px;font-size:13px}.ir11-mock-modal-cancel:hover{color:#1e1b4b}.ir11-mock-topbar{z-index:50;background:#fff;border-bottom:1px solid #e5e7eb;align-items:center;gap:16px;margin:-18px -18px 18px;padding:10px 12px;display:flex;position:sticky;top:0}.ir11-mock-back{cursor:pointer;color:#374151;background:0 0;border:1px solid #e5e7eb;border-radius:6px;padding:5px 10px;font-size:13px}.ir11-mock-back:hover{background:#f3f4f6}.ir11-mock-progress{color:#374151;align-items:center;gap:8px;font-size:13px;display:flex}.ir11-mock-progress strong{color:#4f46e5}.ir11-mock-timer{color:#065f46;font-variant-numeric:tabular-nums;background:#dcfce7;border-radius:6px;margin-left:auto;padding:6px 12px;font-size:14px;font-weight:700}.ir11-mock-timer.is-warning{color:#92400e;background:#fef3c7}.ir11-mock-timer.is-expired{color:#7f1d1d;background:#fee2e2}.ir11-mock-section-tabs{border-bottom:1px solid #e5e7eb;flex-wrap:wrap;gap:8px;margin:18px 0;display:flex}.ir11-mock-tab{color:#6b7280;cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 14px;font-size:14px;font-weight:600}.ir11-mock-tab:hover{color:#1e1b4b}.ir11-mock-tab.active{color:#4f46e5;border-bottom-color:#4f46e5}.ir11-mock-card.is-disabled{opacity:.55;pointer-events:none}.ir11-mock-card.is-selected{border-left:3px solid #4f46e5}.ir11-mock-pick{text-transform:uppercase;letter-spacing:.06em;color:#4f46e5;cursor:pointer;align-items:center;gap:6px;font-size:12px;font-weight:700;display:inline-flex}.ir11-mock-pick input[type=checkbox]{accent-color:#4f46e5;cursor:pointer;width:16px;height:16px}.ir11-mock-pick input[type=checkbox]:disabled{cursor:not-allowed}.ir11-mock-marks{text-transform:uppercase;letter-spacing:.06em;color:#374151;background:#f3f4f6;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700}.ir11-mock-cases{color:#78350f;background:#fef3c7;border-radius:8px;margin:10px 0;padding:10px 14px;font-size:13px;line-height:1.5}.ir11-mock-submit-bar{z-index:40;background:#fff;border-top:1px solid #e5e7eb;align-items:center;gap:12px;margin:18px -18px -18px;padding:12px;display:flex;position:sticky;bottom:0}.ir11-mock-results-section{color:#1e1b4b;border-left:3px solid #4f46e5;margin:24px 0 12px;padding-left:10px;font-size:17px;font-weight:700}[data-theme=dark] .ir11-mock-card-landing{background:#ffffff0a;border-color:#ffffff14}[data-theme=dark] .ir11-mock-card-landing h2{color:#ddd6fe}[data-theme=dark] .ir11-mock-card-stats{color:#e5e7eb}[data-theme=dark] .ir11-mock-card-stats strong{color:#c4b5fd}[data-theme=dark] .ir11-mock-modal{color:#e5e7eb;background:#1e1b4b}[data-theme=dark] .ir11-mock-modal h3{color:#ddd6fe}[data-theme=dark] .ir11-mock-topbar{background:#111827;border-color:#ffffff14}[data-theme=dark] .ir11-mock-back{color:#ddd6fe;border-color:#ffffff1f}[data-theme=dark] .ir11-mock-back:hover{background:#ffffff0f}[data-theme=dark] .ir11-mock-progress{color:#e5e7eb}[data-theme=dark] .ir11-mock-progress strong{color:#c4b5fd}[data-theme=dark] .ir11-mock-timer{color:#6ee7b7;background:#10b9812e}[data-theme=dark] .ir11-mock-timer.is-warning{color:#fde68a;background:#d9770638}[data-theme=dark] .ir11-mock-timer.is-expired{color:#fca5a5;background:#dc262638}[data-theme=dark] .ir11-mock-tab{color:#9ca3af}[data-theme=dark] .ir11-mock-tab:hover{color:#ddd6fe}[data-theme=dark] .ir11-mock-tab.active{color:#c4b5fd;border-bottom-color:#c4b5fd}[data-theme=dark] .ir11-mock-marks{color:#ddd6fe;background:#ffffff14}[data-theme=dark] .ir11-mock-cases{color:#fde68a;background:#d9770624}[data-theme=dark] .ir11-mock-submit-bar{background:#111827;border-color:#ffffff14}[data-theme=dark] .ir11-mock-results-section{color:#ddd6fe}.sk11-exercise-card,.sk11-correction-card{border-left:3px solid #7c3aed}.sk11-thesis-options{background:#ede9fe;border-radius:8px;flex-wrap:wrap;align-items:center;gap:8px;margin:10px 0;padding:10px 12px;display:flex}.sk11-thesis-options-label{text-transform:uppercase;letter-spacing:.06em;color:#5b21b6;margin-right:6px;font-size:11px;font-weight:700}.sk11-thesis-option{color:#5b21b6;cursor:pointer;background:#fff;border:1px solid #c4b5fd;border-radius:999px;align-items:center;gap:6px;padding:5px 10px;font-size:12px;font-weight:500;transition:background .12s,border-color .12s;display:inline-flex}.sk11-thesis-option:hover{background:#f5f3ff}.sk11-thesis-option.is-chosen{color:#fff;background:#7c3aed;border-color:#7c3aed}.sk11-thesis-option input[type=radio]{accent-color:#7c3aed}.sk11-toggle-writing{color:#065f46!important;background:#dcfce7!important;border-color:#059669!important}.sk11-toggle-writing:hover{background:#bbf7d0!important}.sk11-thesis-chosen{color:#1e1b4b;background:#ede9fe;border-left:3px solid #7c3aed;border-radius:6px;margin:12px 0;padding:10px 14px;font-size:13px}.sk11-thesis-chosen-label{text-transform:uppercase;letter-spacing:.06em;color:#5b21b6;font-size:11px;font-weight:700}.sk11-rhetorical-devices{background:#fef3c7;border-left:3px solid #d97706;border-radius:8px;margin-top:16px;padding:12px 14px}.sk11-alternative-thesis{background:#fce7f3;border-left:3px solid #be185d;border-radius:8px;margin-top:16px;padding:12px 14px}.sk11-alternative-thesis p{color:#831843;margin:4px 0;font-size:13px}[data-theme=dark] .sk11-thesis-options{background:#7c3aed2e}[data-theme=dark] .sk11-thesis-options-label{color:#c4b5fd}[data-theme=dark] .sk11-thesis-option{color:#ddd6fe;background:#ffffff0a;border-color:#c7d2fe66}[data-theme=dark] .sk11-thesis-option:hover{background:#ffffff14}[data-theme=dark] .sk11-thesis-chosen{color:#ddd6fe;background:#7c3aed2e}[data-theme=dark] .sk11-thesis-chosen-label{color:#c4b5fd}[data-theme=dark] .sk11-rhetorical-devices{background:#d9770624}[data-theme=dark] .sk11-alternative-thesis{background:#be185d24}[data-theme=dark] .sk11-alternative-thesis p{color:#f9a8d4}.ir11-refsheet{max-width:1180px;margin:0 auto}.ir11-refsheet-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.ir11-refsheet-print{color:#fff;cursor:pointer;white-space:nowrap;background:#4f46e5;border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600}.ir11-refsheet-print:hover{background:#4338ca}.ir11-refsheet-controls{z-index:30;-webkit-backdrop-filter:blur(8px);background:#ffffffeb;border-bottom:1px solid #e5e7eb;flex-direction:column;gap:10px;margin-bottom:16px;padding:14px 0;display:flex;position:sticky;top:0}.ir11-refsheet-search input{background:#fff;border:1px solid #d1d5db;border-radius:10px;width:100%;padding:10px 14px;font-size:14px}.ir11-refsheet-search input:focus{outline-offset:1px;border-color:#4f46e5;outline:2px solid #4f46e5}.ir11-refsheet-filter-group{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.ir11-refsheet-filter-label{text-transform:uppercase;letter-spacing:.06em;color:#6b7280;margin-right:6px;font-size:11px;font-weight:700}.ir11-refsheet-counter{color:#6b7280;font-size:13px}.ir11-refsheet-counter strong{color:#4f46e5}.ir11-refsheet-grid{grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:16px;display:grid}.ir11-refsheet-card{background:#fff;border:1px solid #e5e7eb;border-left:3px solid #6366f1;border-radius:10px;flex-direction:column;gap:10px;padding:16px;transition:box-shadow .2s,border-color .2s;display:flex}.ir11-refsheet-card:hover{border-left-color:#4f46e5;box-shadow:0 4px 16px #4f46e514}.ir11-refsheet-card--flash{animation:1.4s ease-out ir11-flash}@keyframes ir11-flash{0%{background:#fef3c7}to{background:#fff}}.ir11-refsheet-card-head{flex-direction:column;gap:6px;display:flex}.ir11-refsheet-term{color:#1e1b4b;margin:0;font-size:17px;font-weight:700;line-height:1.3}.ir11-refsheet-meta{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.ir11-refsheet-weekref{color:#4f46e5;background:#eef2ff;border-radius:4px;padding:2px 7px;font-size:10px;font-weight:700}.ir11-refsheet-badge--doctrine{color:#92400e;text-transform:uppercase;letter-spacing:.06em;background:#fef3c7;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700}.ir11-refsheet-date{color:#6b7280;margin:0;font-size:12px;font-style:italic}.ir11-refsheet-attribution{color:#1f2937;background:#f9fafb;border-radius:6px;padding:8px 10px;font-size:12px;line-height:1.5}.ir11-refsheet-attribution-label{text-transform:uppercase;letter-spacing:.06em;color:#4f46e5;font-size:10px;font-weight:700}.ir11-refsheet-attribution-period{color:#6b7280;font-style:italic}.ir11-refsheet-keyworks{margin:6px 0 0;padding-left:16px;font-size:12px}.ir11-refsheet-definition{color:#1f2937;margin:0;font-size:13px;line-height:1.6}.ir11-refsheet-components{background:#fffbeb;border-radius:6px;padding:8px 10px;font-size:12px}.ir11-refsheet-components-label{text-transform:uppercase;letter-spacing:.06em;color:#92400e;font-size:10px;font-weight:700}.ir11-refsheet-components ul{color:#1f2937;margin:4px 0 0;padding-left:18px}.ir11-refsheet-example{color:#064e3b;background:#ecfdf5;border-left:2px solid #10b981;border-radius:6px;padding:8px 10px;font-size:12px;line-height:1.5}.ir11-refsheet-example-label{text-transform:uppercase;letter-spacing:.06em;color:#065f46;font-size:10px;font-weight:700}.ir11-refsheet-histnote{color:#4c1d95;background:#f5f3ff;border-left:2px solid #7c3aed;border-radius:6px;padding:8px 10px;font-size:12px;line-height:1.5}.ir11-refsheet-histnote-label{text-transform:uppercase;letter-spacing:.06em;color:#6d28d9;font-size:10px;font-weight:700}.ir11-refsheet-related{flex-wrap:wrap;align-items:center;gap:6px;margin-top:4px;font-size:12px;display:flex}.ir11-refsheet-related-label{text-transform:uppercase;letter-spacing:.06em;color:#6b7280;font-size:10px;font-weight:700}.ir11-refsheet-related-chip{color:#4f46e5;cursor:pointer;background:#eef2ff;border:1px dashed #c7d2fe;border-radius:999px;padding:3px 9px;font-size:11px;transition:background .12s}.ir11-refsheet-related-chip:hover{background:#ddd6fe}.ir11-refsheet-empty{text-align:center;background:#f9fafb;border-radius:10px;flex-direction:column;align-items:center;gap:12px;padding:40px 20px;display:flex}.ir11-refsheet-match{color:inherit;background:#fef08a;border-radius:2px;padding:0 1px}[data-theme=dark] .ir11-refsheet-controls{background:#111827eb;border-color:#ffffff14}[data-theme=dark] .ir11-refsheet-search input{color:#e5e7eb;background:#1e1b4b;border-color:#ffffff1f}[data-theme=dark] .ir11-refsheet-card{background:#ffffff0a;border-color:#ffffff14}[data-theme=dark] .ir11-refsheet-term{color:#ddd6fe}[data-theme=dark] .ir11-refsheet-weekref{color:#c4b5fd;background:#6366f12e}[data-theme=dark] .ir11-refsheet-badge--doctrine{color:#fde68a;background:#d9770638}[data-theme=dark] .ir11-refsheet-attribution{color:#e5e7eb;background:#ffffff0a}[data-theme=dark] .ir11-refsheet-attribution-label{color:#c4b5fd}[data-theme=dark] .ir11-refsheet-definition{color:#e5e7eb}[data-theme=dark] .ir11-refsheet-components{background:#d977061f}[data-theme=dark] .ir11-refsheet-components-label{color:#fde68a}[data-theme=dark] .ir11-refsheet-example{color:#6ee7b7;background:#10b9811a}[data-theme=dark] .ir11-refsheet-histnote{color:#ddd6fe;background:#7c3aed1f}[data-theme=dark] .ir11-refsheet-related-chip{color:#c4b5fd;background:#6366f12e;border-color:#c7d2fe4d}[data-theme=dark] .ir11-refsheet-empty{background:#ffffff0a}[data-theme=dark] .ir11-refsheet-match{color:inherit;background:#fef08a52}@media print{body.ir11-refsheet-active.allow-print .ir11-refsheet-controls,body.ir11-refsheet-active.allow-print .ir11-refsheet-print,body.ir11-refsheet-active.allow-print .topbar,body.ir11-refsheet-active.allow-print .sidebar,body.ir11-refsheet-active.allow-print .tab-list,body.ir11-refsheet-active.allow-print .ai-chat-panel,body.ir11-refsheet-active.allow-print .community-chat,body.ir11-refsheet-active.allow-print .subject-tabs-card>.tab-list{display:none!important}body.ir11-refsheet-active.allow-print{margin:0;padding:0;color:#000!important;background:#fff!important}body.ir11-refsheet-active.allow-print .ir11-refsheet{max-width:none}body.ir11-refsheet-active.allow-print .ir11-refsheet-grid{page-break-inside:auto;grid-template-columns:1fr 1fr;gap:8px;display:grid}body.ir11-refsheet-active.allow-print .ir11-refsheet-card{break-inside:avoid;page-break-inside:avoid;box-shadow:none;background:#fff;border:1px solid #ccc;border-left:2px solid #4f46e5;padding:8px;font-size:11px}body.ir11-refsheet-active.allow-print .ir11-refsheet-term{font-size:13px}body.ir11-refsheet-active.allow-print .ir11-refsheet-definition{font-size:11px;line-height:1.4}body.ir11-refsheet-active.allow-print .ir11-refsheet-related{display:none}body.ir11-refsheet-active.allow-print .course-article-header{padding-bottom:8px}@page{margin:12mm;size:A4}}.course-formula{border-radius:var(--radius-card);background:#f4f4f8;flex-direction:column;align-items:center;gap:8px;margin:18px 0;padding:14px 16px;display:flex}[data-theme=dark] .course-formula{background:#14151c}.course-formula-body{text-align:center;width:100%;overflow-x:auto}.course-formula-caption{color:var(--muted);font-size:.9rem;font-style:italic}.course-figure{margin:22px 0}.course-figure-frame{border:1px solid var(--border);border-radius:var(--radius-card);background:#fff;justify-content:center;padding:12px;display:flex}[data-theme=dark] .course-figure-frame{background:#15161c}.course-figure-svg{width:100%;max-width:600px;height:auto}.course-figure-caption{text-align:center;color:var(--muted);margin-top:8px;font-size:.9rem;font-style:italic}.course-figure-missing{padding:24px}.course-figure-title{fill:#1e1b4b;font-size:14px;font-weight:600}[data-theme=dark] .course-figure-title{fill:#e0e7ff}.course-figure-axis-label{fill:#1e1b4b;font-size:13px;font-weight:500}[data-theme=dark] .course-figure-axis-label{fill:#c7d2fe}.course-figure-annotation{fill:#6b7280;font-size:12px;font-style:italic}.course-figure-point-label{fill:#1e1b4b;font-size:12px;font-weight:500}[data-theme=dark] .course-figure-point-label{fill:#e0e7ff}.course-video-list{flex-direction:column;gap:10px;margin:8px 0 0;padding:0;list-style:none;display:flex}.course-video-item{border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);gap:10px;padding:12px 14px;display:flex}.course-video-icon{color:var(--accent);font-size:14px;line-height:1.5}.course-video-line{flex-wrap:wrap;align-items:baseline;gap:6px;display:flex}.course-video-source{color:var(--foreground)}.course-video-sep{color:var(--muted)}.course-video-title{color:var(--foreground)}.course-video-duration{color:var(--muted);font-size:.85rem}.course-video-description{color:var(--muted);margin:4px 0 0;font-size:.9rem;font-style:italic;line-height:1.5}.course-renderer{overflow:hidden}.user-watermark{z-index:0;pointer-events:none;-webkit-user-select:none;user-select:none;position:absolute;inset:0;overflow:hidden}.user-watermark__svg{width:100%;height:100%;display:block}.user-watermark text{fill:#64748b;fill-opacity:.18}[data-theme=dark] .user-watermark text{fill:#94a3b8;fill-opacity:.2}body.allow-print .user-watermark{display:none!important}@media (max-width:640px){.course-article{padding:24px 16px 48px}.course-h1{font-size:1.6rem}.course-h2{font-size:1.2rem}.course-paragraph{font-size:.95rem}}.course-week-content{white-space:pre-wrap;margin-bottom:18px;line-height:1.7}.callout{border-radius:var(--radius-card);border:1px solid var(--border);background:var(--surface);margin-top:14px;padding:14px 16px}.callout-success{background:#10b98114;border-color:#10b98166}.callout-danger{background:#ef444414;border-color:#ef444466}.course-week-videos{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.course-week-video-frame{aspect-ratio:16/9;border-radius:var(--radius-card);background:#000;margin-bottom:8px;position:relative;overflow:hidden}.course-week-video-frame iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.course-week-video-title{color:var(--foreground);font-weight:500;text-decoration:none}.course-week-video-title:hover{color:var(--accent)}.protected-pdf-shell{-webkit-user-select:none;user-select:none;-webkit-user-drag:none;background:var(--background);border:1px solid var(--border);border-radius:var(--radius-card);grid-template-rows:auto 1fr;min-height:70vh;display:grid;overflow:hidden}.protected-pdf-toolbar{border-bottom:1px solid var(--border);background:var(--surface);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;display:flex}.protected-pdf-title{font-size:var(--font-size-sm)}.protected-pdf-toolbar-controls{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.protected-pdf-btn{border-radius:var(--radius-button);border:1px solid var(--border);background:var(--background);color:var(--foreground);font-size:var(--font-size-sm);padding:6px 12px;font-weight:500;transition:border-color .14s,background .14s,color .14s}.protected-pdf-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.protected-pdf-btn:disabled{opacity:.4;cursor:not-allowed}.protected-pdf-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.protected-pdf-btn.primary:hover:not(:disabled){filter:brightness(1.05);color:#fff}.protected-pdf-page-jump{font-size:var(--font-size-sm);align-items:center;gap:6px;display:inline-flex}.protected-pdf-page-jump .input{text-align:center;width:60px;padding:4px 8px}.protected-pdf-stage{background:#f4f4f8;justify-content:center;align-items:flex-start;padding:16px;display:flex;overflow:auto}[data-theme=dark] .protected-pdf-stage{background:#0f1015}.protected-pdf-stage .react-pdf__Page__canvas{border-radius:4px;box-shadow:0 6px 18px #0f172a2e}.devtools-overlay{z-index:9999;color:#fff;background:#1e1b4b;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.devtools-overlay-content{text-align:center;max-width:520px}.devtools-overlay-content h2{margin:0 0 12px;font-size:24px}.devtools-overlay-content p{margin:0;line-height:1.6}.screenshot-shield{z-index:99999;pointer-events:auto;background:#000;animation:80ms ease-out forwards ss-fade-in;position:fixed;inset:0}.screenshot-shield:after{content:"Content protected — screenshot blocked";color:#1e1b4b;letter-spacing:.08em;text-transform:uppercase;opacity:.05;place-items:center;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:12px;display:grid;position:absolute;inset:0}@keyframes ss-fade-in{0%{opacity:0}to{opacity:1}}@media print{body:not(.ma11-cheatsheet-active):not(.mg11-defsheet-active):not(.ir11-refsheet-active):not(.sk11-techsheet-active):not(.ec11-formulasheet-active):after{content:"Impression désactivée — UniVault";visibility:visible;text-align:center;color:#1e1b4b;padding-top:40vh;font-size:24px;display:block;position:fixed;inset:0}body:not(.ma11-cheatsheet-active):not(.mg11-defsheet-active):not(.ir11-refsheet-active):not(.sk11-techsheet-active):not(.ec11-formulasheet-active) *{visibility:hidden!important}body:not(.ma11-cheatsheet-active):not(.mg11-defsheet-active):not(.ir11-refsheet-active):not(.sk11-techsheet-active):not(.ec11-formulasheet-active) .content-protection-print,body:not(.ma11-cheatsheet-active):not(.mg11-defsheet-active):not(.ir11-refsheet-active):not(.sk11-techsheet-active):not(.ec11-formulasheet-active) .content-protection-print *{visibility:visible!important}body:not(.ma11-cheatsheet-active):not(.mg11-defsheet-active):not(.ir11-refsheet-active):not(.sk11-techsheet-active):not(.ec11-formulasheet-active) .content-protection-print{color:#000;z-index:999999;text-align:center;background:#fff;padding:48px;position:fixed;inset:0;display:block!important}body:not(.ma11-cheatsheet-active):not(.mg11-defsheet-active):not(.ir11-refsheet-active):not(.sk11-techsheet-active):not(.ec11-formulasheet-active) .content-protection-print h1{margin:0 0 12px;font-size:28px}body:not(.ma11-cheatsheet-active):not(.mg11-defsheet-active):not(.ir11-refsheet-active):not(.sk11-techsheet-active):not(.ec11-formulasheet-active) .content-protection-print p{font-size:16px;line-height:1.5}}.skeleton{background:var(--surface-strong);border-radius:4px;position:relative;overflow:hidden}.skeleton:after{content:"";background:linear-gradient(90deg,#0000 0%,#ffffff80 50%,#0000 100%);animation:1.4s ease-in-out infinite skeleton-shimmer;position:absolute;inset:0;transform:translate(-100%)}[data-theme=dark] .skeleton:after{background:linear-gradient(90deg,#0000 0%,#ffffff0f 50%,#0000 100%)}@keyframes skeleton-shimmer{to{transform:translate(100%)}}.search-overlay{z-index:100;background:#0f172a66;justify-content:center;align-items:flex-start;padding-top:14vh;animation:.14s fade-in;display:flex;position:fixed;inset:0}[data-theme=dark] .search-overlay{background:#0009}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.search-modal{background:var(--background);border:1px solid var(--border);border-radius:12px;width:min(640px,100% - 32px);overflow:hidden}.search-input-row{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:14px 16px;display:flex}.search-input-icon{color:var(--muted)}.search-input{font-size:var(--font-size-md);color:var(--foreground);background:0 0;border:none;outline:none;flex:1}.search-kbd{background:var(--surface);border:1px solid var(--border);color:var(--muted);border-radius:4px;padding:2px 6px;font-family:SF Mono,ui-monospace,monospace;font-size:11px}.search-results{max-height:460px;padding:6px;overflow-y:auto}.search-empty{text-align:center;color:var(--muted);font-size:var(--font-size-sm);padding:32px 16px}.search-hit{color:var(--body);cursor:pointer;border-radius:8px;gap:4px;padding:10px 12px;text-decoration:none;display:grid}.search-hit:hover{background:var(--surface)}.search-hit-meta{font-size:var(--font-size-xs);color:var(--muted);align-items:center;gap:8px;display:inline-flex}.search-hit-kind{background:var(--surface);border:1px solid var(--border);color:var(--body);text-transform:capitalize;border-radius:999px;padding:1px 6px;font-size:10px;font-weight:500}.search-hit-title{font-size:var(--font-size-sm);color:var(--foreground);font-weight:500}.search-hit-snippet{font-size:var(--font-size-xs);color:var(--muted);line-height:1.5}.countdown-card{flex-direction:column;justify-content:center;display:flex}.countdown-value{color:var(--foreground);letter-spacing:-.025em;font-variant-numeric:tabular-nums;align-items:baseline;gap:6px;margin:6px 0;font-size:32px;font-weight:600;line-height:1;display:flex}.countdown-unit{font-size:var(--font-size-sm);color:var(--muted);font-weight:400}.countdown-urgent .countdown-value{color:var(--danger)}.professor-head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.severity{text-align:right}.severity-label{font-size:var(--font-size-xs);color:var(--muted);margin-bottom:6px}.severity-bars{gap:3px;display:inline-flex}.severity-bar{background:var(--surface-strong);border-radius:2px;width:12px;height:6px}.severity-bar.on{background:var(--accent)}.professor-tip{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 14px}.message-list{gap:10px;max-height:320px;margin-bottom:14px;display:grid;overflow:auto}.message{max-width:85%;line-height:1.5;font-size:var(--font-size-sm);border-radius:12px;padding:10px 14px}.message.user{background:var(--accent);color:#fff;margin-left:auto}.message.assistant{background:var(--surface);border:1px solid var(--border);color:var(--body)}.chat-card{padding:20px}.chat-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.chat-status{font-size:var(--font-size-xs);background:var(--surface);border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:2px 8px;font-weight:500}.chat-status.on{color:var(--accent)}.chat-list{gap:8px;max-height:360px;padding:4px;display:grid;overflow-y:auto}.chat-empty{text-align:center;color:var(--muted);font-size:var(--font-size-sm);padding:18px}.chat-message{background:var(--surface);border:1px solid var(--border);max-width:85%;font-size:var(--font-size-sm);border-radius:10px;padding:10px 14px}.chat-message.self{background:var(--accent);border-color:var(--accent);color:#fff;margin-left:auto}.chat-message.self .muted{color:#ffffffd9}.chat-meta{font-size:var(--font-size-xs);justify-content:space-between;gap:12px;margin-bottom:4px;display:flex}.chat-body{line-height:1.5}.chat-form{grid-template-columns:1fr auto;gap:8px;margin-top:12px;display:grid}.career-grid{grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:16px;display:grid}.career-section{margin-top:14px}.bullet-list,.numbered-list{line-height:1.55;font-size:var(--font-size-sm);color:var(--body);gap:4px;margin:6px 0 0;padding-left:20px;display:grid}.firm-list{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.firm-pill{background:var(--surface);border:1px solid var(--border);color:var(--body);font-size:var(--font-size-xs);border-radius:999px;padding:2px 8px;font-weight:500}.campus-card{padding:24px}.campus-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px;display:flex}.requirement-pill{background:var(--surface);border:1px solid var(--border);text-align:right;min-width:180px;font-size:var(--font-size-sm);border-radius:8px;padding:10px 14px}.campus-grid{border-top:1px solid var(--border);border-bottom:1px solid var(--border);grid-template-columns:1.2fr 1fr 1fr;gap:18px;padding:18px 0;display:grid}.campus-reviews,.campus-qa{margin-top:6px}.review-card{background:var(--surface);border:1px solid var(--border);font-size:var(--font-size-sm);border-radius:8px;padding:14px}.qa-card{border:1px solid var(--border);background:var(--background);border-radius:8px;gap:12px;padding:16px;display:grid}.qa-question,.qa-answer{font-size:var(--font-size-sm);grid-template-columns:24px 1fr;align-items:start;gap:12px;display:grid}.qa-tag{background:var(--surface);width:22px;height:22px;color:var(--foreground);font-weight:500;font-size:var(--font-size-xs);border:1px solid var(--border);border-radius:6px;place-items:center;display:grid}.qa-tag.answer{background:var(--accent);color:#fff;border-color:var(--accent)}.simulator-table{gap:6px;margin-top:12px;display:grid}.simulator-row{border:1px solid var(--border);background:var(--background);font-size:var(--font-size-sm);border-radius:8px;grid-template-columns:2fr 1fr 1fr 1.4fr;align-items:center;gap:12px;padding:10px 14px;display:grid}.simulator-row.simulator-head{background:var(--surface);font-weight:500;font-size:var(--font-size-xs);color:var(--muted)}.simulator-summary{padding:24px}.summary-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.big-number{letter-spacing:-.025em;color:var(--foreground);font-variant-numeric:tabular-nums;align-items:baseline;gap:6px;margin:6px 0 4px;font-size:32px;font-weight:600;display:flex}.muted-unit{font-size:var(--font-size-sm);color:var(--muted);font-weight:400}.eligibility-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:14px;display:grid}.eligibility-card{border:1px solid var(--border);background:var(--background);border-radius:8px;padding:14px}.eligibility-card.eligible{border-color:var(--accent)}.eligibility-card.blocked{opacity:.55}.eligibility-status{font-size:var(--font-size-xs);color:var(--muted);font-weight:500}.eligibility-card.eligible .eligibility-status{color:var(--accent)}.eligibility-name{color:var(--foreground);font-weight:500;font-size:var(--font-size-sm);margin:6px 0 4px}.messages-layout{grid-template-columns:280px minmax(0,1fr);gap:16px;min-height:70vh;display:grid}.messages-sidebar{background:var(--background);border:1px solid var(--border);border-radius:var(--radius-card);flex-direction:column;gap:14px;padding:14px;display:flex}.messages-search{position:relative}.search-results{background:var(--background);border:1px solid var(--border);z-index:10;border-radius:8px;max-height:280px;position:absolute;top:44px;left:0;right:0;overflow-y:auto}.search-result{text-align:left;cursor:pointer;border:none;border-bottom:1px solid var(--border);width:100%;font-size:var(--font-size-sm);background:0 0;grid-template-columns:1fr auto;gap:12px;padding:10px 12px;display:grid}.search-result:last-child{border-bottom:none}.search-result:hover{background:var(--surface)}.messages-section-label{color:var(--muted);font-size:var(--font-size-xs);font-weight:500}.conversation-list{gap:2px;display:grid;overflow-y:auto}.conversation-item{text-align:left;cursor:pointer;background:0 0;border:none;border-radius:6px;gap:4px;padding:10px 12px;transition:background .14s;display:grid;position:relative}.conversation-item:hover,.conversation-item.active{background:var(--surface)}.conversation-row{font-size:var(--font-size-sm);justify-content:space-between;align-items:center;display:flex}.conversation-preview{font-size:var(--font-size-xs);white-space:nowrap;text-overflow:ellipsis;color:var(--muted);overflow:hidden}.unread-pill{background:var(--accent);color:#fff;border-radius:999px;padding:1px 6px;font-size:10px;font-weight:500;position:absolute;top:10px;right:12px}.messages-main{background:var(--background);border:1px solid var(--border);border-radius:var(--radius-card);flex-direction:column;gap:14px;padding:18px;display:flex}.messages-empty{text-align:center;color:var(--muted);flex:1;place-items:center;padding:40px;display:grid}.messages-header{border-bottom:1px solid var(--border);padding-bottom:12px}.messages-thread{flex:1;align-content:start;gap:6px;max-height:60vh;padding:4px;display:grid;overflow-y:auto}.thread-message{background:var(--surface);border:1px solid var(--border);max-width:80%;font-size:var(--font-size-sm);border-radius:10px;padding:10px 14px}.thread-message.self{background:var(--accent);color:#fff;border-color:var(--accent);margin-left:auto}.thread-body{line-height:1.55}.thread-time{opacity:.75;margin-top:4px;font-size:11px}.messages-compose{grid-template-columns:1fr auto;gap:8px;display:grid}.plan-day{padding:18px 20px}.plan-today{border-color:var(--accent)}.plan-day-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px;display:flex}.plan-date{font-size:var(--font-size-md);color:var(--foreground);letter-spacing:-.015em;font-weight:600}.plan-blocks{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px;display:grid}.plan-block{border:1px solid var(--border);background:var(--background);font-size:var(--font-size-sm);border-radius:8px;padding:12px 14px;text-decoration:none;transition:border-color .14s;display:block}.plan-block:hover{border-color:var(--border-strong)}.plan-block-head{font-size:var(--font-size-xs);color:var(--muted);justify-content:space-between;display:flex}.plan-block-head strong{color:var(--foreground);font-weight:500}.plan-activity{color:var(--foreground);margin:4px 0;font-weight:500}.plan-reason{font-size:var(--font-size-xs);color:var(--muted);line-height:1.5}.table{border-collapse:collapse;width:100%;font-size:var(--font-size-sm)}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);padding:10px 12px}.table th{color:var(--muted);font-weight:500;font-size:var(--font-size-xs)}.leaderboard-self{background:var(--accent-muted);color:var(--foreground);font-weight:500}.feed-meta{color:var(--muted);font-size:var(--font-size-sm);flex-wrap:wrap;gap:12px;display:flex}.community-card{padding:20px}.community-card header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:12px;display:flex}.groups-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;display:grid}.group-card{flex-direction:column;padding:20px;display:flex}.deck-card-input{grid-template-columns:1fr 1fr;gap:8px;display:grid}.profile-grid{grid-template-columns:1fr 1.4fr;align-items:start;gap:16px;display:grid}.avatar{background:var(--surface);width:80px;height:80px;color:var(--foreground);font-weight:600;font-size:var(--font-size-2xl);border:1px solid var(--border);border-radius:999px;place-items:center;display:grid;overflow:hidden}.avatar.small{width:28px;height:28px;font-size:var(--font-size-xs)}.avatar img{object-fit:cover;width:100%;height:100%}.avatar-uploader{align-items:center;gap:16px;display:flex}.account-stat{border:1px solid var(--border);background:var(--background);font-size:var(--font-size-sm);border-radius:8px;gap:2px;padding:12px 14px;display:grid}.account-stat-value{font-weight:600;font-size:var(--font-size-xl);color:var(--foreground);letter-spacing:-.02em}.account-stats-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;display:grid}.campus-badge{background:var(--surface);border:1px solid var(--border);color:var(--body);border-radius:999px;align-items:center;padding:1px 8px;font-size:11px;font-weight:500;display:inline-flex}.bookmarks-list{gap:8px}.bookmark-row{flex-direction:column;gap:4px;padding:16px 20px;text-decoration:none;transition:border-color .14s;display:flex}.bookmark-meta{font-size:var(--font-size-xs);color:var(--muted);align-items:center;gap:8px;display:flex}.bookmark-kind{background:var(--surface);border:1px solid var(--border);color:var(--body);border-radius:999px;padding:1px 6px;font-size:10px;font-weight:500}.bookmark-label{font-size:var(--font-size-sm);color:var(--foreground);font-weight:500}.bookmark-btn{border:1px solid var(--border);width:30px;height:30px;color:var(--muted);cursor:pointer;background:0 0;border-radius:6px;place-items:center;transition:color .14s,border-color .14s,background .14s;display:inline-grid}.bookmark-btn:hover{color:var(--foreground);border-color:var(--border-strong);background:var(--surface)}.bookmark-btn.on{color:var(--accent);border-color:var(--accent);background:var(--accent-muted)}.bookmark-btn.sm{width:26px;height:26px}.notes-panel{padding:20px}.notes-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.notes-status{font-size:var(--font-size-xs)}.notes-textarea{min-height:220px}.prediction-grid{gap:10px;display:grid}.prediction-row{border:1px solid var(--border);background:var(--background);border-radius:8px;padding:14px}.prediction-head{font-size:var(--font-size-sm);justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:8px;display:flex}.prediction-head strong{color:var(--foreground);font-weight:500}.prediction-title{font-size:var(--font-size-xs);color:var(--muted)}.prediction-range{grid-template-columns:32px 1fr 32px;align-items:center;gap:8px;display:grid}.prediction-low,.prediction-high{font-size:var(--font-size-xs);color:var(--muted);text-align:center;font-variant-numeric:tabular-nums}.prediction-bar{background:var(--surface-strong);border-radius:999px;height:4px;position:relative}.prediction-bar-fill{background:var(--accent-soft);border-radius:999px;position:absolute;top:0;bottom:0}.prediction-marker{background:var(--accent);border-radius:2px;width:3px;height:12px;position:absolute;top:-4px;transform:translate(-50%)}.prediction-meta{font-size:var(--font-size-xs);color:var(--muted);margin-top:8px}.progress-curve-card{padding:24px}.progress-curve-svg{width:100%;overflow-x:auto}.progress-curve-svg svg{width:100%;max-width:100%;height:auto}.curve-legend{flex-wrap:wrap;gap:14px;margin-top:14px;display:flex}.legend-item{font-size:var(--font-size-xs);color:var(--muted);align-items:center;gap:6px;display:inline-flex}.legend-swatch{border-radius:999px;width:12px;height:3px}.lang-switcher{position:relative}.lang-trigger{border:1px solid var(--border);background:var(--background);color:var(--body);font-weight:400;font-size:var(--font-size-sm);cursor:pointer;border-radius:6px;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:6px 10px;display:inline-flex}.lang-switcher.compact .lang-trigger{width:auto;padding:6px 10px}.lang-flag{background:var(--surface);border:1px solid var(--border);width:22px;height:16px;color:var(--body);border-radius:3px;place-items:center;font-size:9px;font-weight:600;display:inline-grid}.lang-caret{color:var(--muted);font-size:10px}.lang-menu{background:var(--background);border:1px solid var(--border);z-index:30;border-radius:8px;max-height:280px;margin:0;padding:4px;list-style:none;position:absolute;bottom:calc(100% + 6px);left:0;right:0;overflow-y:auto}.lang-option{width:100%;font-size:var(--font-size-sm);text-align:left;cursor:pointer;color:var(--body);background:0 0;border:none;border-radius:6px;align-items:center;gap:10px;padding:8px 10px;display:flex}.lang-option:hover{background:var(--surface)}.lang-option.active{color:var(--accent);font-weight:500}.analytics-section{gap:16px;display:grid}.analytics-header{margin-bottom:4px}.analytics-header h2{letter-spacing:-.025em;margin:4px 0 6px;font-size:22px;font-weight:600}.analytics-card{padding:24px}.analytics-card-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px;display:flex}.analytics-card-head h3{letter-spacing:-.015em;margin:0;font-size:15px;font-weight:600}.analytics-card-head p{color:var(--muted);margin:4px 0 0;font-size:12px}.analytics-svg{width:100%;overflow-x:auto}.analytics-svg svg{width:100%;max-width:100%;height:auto;display:block}.analytics-row{grid-template-columns:1.2fr 1fr;gap:16px;display:grid}.exam-gauges-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;display:grid}.exam-gauge{background:var(--surface);border:1px solid var(--border);border-radius:10px;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;display:flex}.exam-gauge-meta{text-align:center;flex-direction:column;align-items:center;gap:1px;font-size:12px;display:flex}.exam-gauge-meta strong{color:var(--foreground);font-variant-numeric:tabular-nums;font-size:13px;font-weight:600}.exam-gauge-meta .muted{font-size:11px}@media (max-width:1080px){.analytics-row{grid-template-columns:1fr}}[data-variant=b] .exam-gauge{background:#f8f8ff;border-color:#e0e0f5}.variant-toggle{background:var(--surface);border:1px solid var(--border);border-radius:6px;align-items:center;gap:0;padding:2px;display:inline-flex}.variant-btn{width:28px;height:24px;color:var(--muted);cursor:pointer;letter-spacing:0;background:0 0;border:none;border-radius:4px;font-family:SF Mono,ui-monospace,monospace;font-size:11px;font-weight:600;transition:background .14s,color .14s}.variant-btn:hover{color:var(--body)}.variant-btn.active{background:var(--background);color:var(--foreground)}.welcome-banner{display:none}[data-variant=c] .welcome-banner{color:#fff;background:#111827;border:none;border-radius:0;margin:-32px -32px 8px;padding:48px 32px;display:block}[data-variant=c] .welcome-banner-inner{max-width:var(--max-width);flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:32px;display:flex}[data-variant=c] .welcome-banner-eyebrow{color:#ffffff8c;letter-spacing:.04em;text-transform:uppercase;margin:0 0 6px;font-size:12px;font-weight:500}[data-variant=c] .welcome-banner-title{letter-spacing:-.025em;color:#fff;margin:0 0 4px;font-size:36px;font-weight:600;line-height:1.05}[data-variant=c] .welcome-banner-sub{color:#ffffffb3;margin:0;font-size:14px}[data-variant=c] .welcome-banner-stats{align-items:flex-end;gap:32px;display:flex}[data-variant=c] .welcome-banner-stat{flex-direction:column;gap:4px;display:flex}[data-variant=c] .welcome-banner-stat-label{color:#ffffff8c;font-size:12px;font-weight:500}[data-variant=c] .welcome-banner-stat strong{color:#fff;letter-spacing:-.015em;font-size:18px;font-weight:600}[data-variant=c] .dashboard-greeting{display:none}[data-variant=c] .subject-card.is-urgent{border-color:#e24b4a}[data-variant=c] .subject-card.is-urgent .progress-fill{background:#e24b4a}[data-variant=c] .subject-card.is-urgent .kicker{color:#e24b4a;font-weight:600}[data-variant=c] .subject-card.is-urgent h3{color:#e24b4a}[data-variant=b] .sidebar{background-color:#1e1b4b;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='8' cy='12' r='0.5'/%3E%3Ccircle cx='27' cy='5' r='0.5'/%3E%3Ccircle cx='51' cy='17' r='0.5'/%3E%3Ccircle cx='75' cy='9' r='0.5'/%3E%3Ccircle cx='98' cy='22' r='0.5'/%3E%3Ccircle cx='124' cy='6' r='0.5'/%3E%3Ccircle cx='148' cy='15' r='0.5'/%3E%3Ccircle cx='14' cy='37' r='0.5'/%3E%3Ccircle cx='42' cy='42' r='0.5'/%3E%3Ccircle cx='66' cy='29' r='0.5'/%3E%3Ccircle cx='89' cy='38' r='0.5'/%3E%3Ccircle cx='113' cy='48' r='0.5'/%3E%3Ccircle cx='139' cy='31' r='0.5'/%3E%3Ccircle cx='5' cy='62' r='0.5'/%3E%3Ccircle cx='28' cy='71' r='0.5'/%3E%3Ccircle cx='52' cy='59' r='0.5'/%3E%3Ccircle cx='78' cy='66' r='0.5'/%3E%3Ccircle cx='105' cy='75' r='0.5'/%3E%3Ccircle cx='130' cy='61' r='0.5'/%3E%3Ccircle cx='154' cy='73' r='0.5'/%3E%3Ccircle cx='19' cy='91' r='0.5'/%3E%3Ccircle cx='44' cy='98' r='0.5'/%3E%3Ccircle cx='73' cy='86' r='0.5'/%3E%3Ccircle cx='95' cy='102' r='0.5'/%3E%3Ccircle cx='119' cy='90' r='0.5'/%3E%3Ccircle cx='141' cy='99' r='0.5'/%3E%3Ccircle cx='9' cy='119' r='0.5'/%3E%3Ccircle cx='35' cy='131' r='0.5'/%3E%3Ccircle cx='58' cy='121' r='0.5'/%3E%3Ccircle cx='82' cy='139' r='0.5'/%3E%3Ccircle cx='107' cy='128' r='0.5'/%3E%3Ccircle cx='133' cy='141' r='0.5'/%3E%3Ccircle cx='25' cy='149' r='0.5'/%3E%3Ccircle cx='51' cy='155' r='0.5'/%3E%3Ccircle cx='80' cy='148' r='0.5'/%3E%3Ccircle cx='110' cy='156' r='0.5'/%3E%3C/g%3E%3C/svg%3E");background-repeat:repeat;border-right-color:#ffffff14}[data-variant=b] .sidebar .brand{color:#fff}[data-variant=b] .sidebar .brand-mark{color:#1e1b4b;background:#fff}[data-variant=b] .sidebar-link{color:#ffffffa6}[data-variant=b] .sidebar-link:hover{color:#fff;background:#ffffff0f}[data-variant=b] .sidebar-link.active{color:#fff;background:#818cf814}[data-variant=b] .sidebar-link.active:before{background:#818cf8;border-radius:2px;width:3px}[data-variant=b] .sidebar-link{transition:color .15s,background .15s}[data-variant=b] .sidebar-search-input{color:#fff;background:#ffffff0f;border-color:#0000}[data-variant=b] .sidebar-search-input::placeholder{color:#fff6}[data-variant=b] .sidebar-search-input:focus{box-shadow:none;background:#ffffff1a;border-color:#fff3}[data-variant=b] .sidebar-search-icon{color:#ffffff80}[data-variant=b] .quick-study-btn{color:#fff;background:#ffffff14;border-color:#0000}[data-variant=b] .quick-study-btn:hover{background:#ffffff24}[data-variant=b] .sidebar-section-toggle{color:#ffffff73}[data-variant=b] .sidebar-section-toggle:hover{color:#ffffffd9}[data-variant=b] .sidebar-subject{transition:background .15s}[data-variant=b] .sidebar-subject:hover{background:#ffffff0d}[data-variant=b] .sidebar-subject.active{color:#fff;background:#818cf814}[data-variant=b] .sidebar-subject.active:before{background:#818cf8;border-radius:2px;width:3px}[data-variant=b] .sidebar-subject-code{color:#ffffffeb}[data-variant=b] .sidebar-subject-pct{color:#ffffff80}[data-variant=b] .sidebar .progress-shell{background:#ffffff1a}[data-variant=b] .sidebar .progress-fill{background:#fff}[data-variant=b] .sidebar-meta{border-top-color:#ffffff14}[data-variant=b] .sidebar .lang-trigger{color:#ffffffd9;background:#ffffff0f;border-color:#0000}[data-variant=b] .sidebar .lang-flag{color:#fff;background:#ffffff1a;border-color:#0000}[data-variant=b] .sidebar .lang-caret{color:#ffffff80}[data-variant=b] .subject-card{background:#f8f8ff;border-color:#e0e0f5;padding-left:22px;transition:border-color .15s,transform .15s;position:relative}[data-variant=b] .subject-card:before{content:"";border-top-left-radius:var(--radius-card);border-bottom-left-radius:var(--radius-card);background:#4f46e5;width:2px;transition:background .15s,width .15s;position:absolute;top:0;bottom:0;left:0}[data-variant=b] .subject-card:hover{border-color:#c7c7ed}[data-variant=b] .subject-card:hover:before{background:#818cf8;width:3px}[data-variant=b] .subject-card .subject-tag{background:#fff;border-color:#e0e0f5}[data-variant=b] .subject-card .progress-shell{background:#e0e0f5}[data-variant=b] .stat-card{padding-top:22px;position:relative}[data-variant=b] .stat-card:before{content:"";border-top-left-radius:var(--radius-card);border-top-right-radius:var(--radius-card);background:#4f46e5;height:2px;position:absolute;top:0;left:0;right:0}[data-variant=b] .dashboard-greeting h1{letter-spacing:-.5px;font-size:32px;line-height:1.1}[data-variant=b] .campus-grid{border-top:none;border-bottom:none;padding:16px 0}[data-variant=b] hr.divider{border-top:none;height:0;margin:16px 0}@media (max-width:1080px){.hero-grid,.feature-grid,.pricing-grid,.metric-grid,.subject-grid,.two-column,.stats-grid,.subject-overview,.campus-grid,.summary-grid,.messages-layout,.dashboard-top-row,.profile-grid,.subject-hero,.subject-meta-row,.platform-layout{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border);height:auto;position:static}.quick-stats{grid-template-columns:repeat(3,1fr)}.topbar-search-trigger{min-width:0}}@media (max-width:720px){.topbar-inner,.platform-header,.section-head,.form-footer{flex-direction:column;align-items:start}.platform-main>:not(.platform-topbar){padding-left:16px;padding-right:16px}.platform-topbar{padding:0 16px}.platform-main>.platform-topbar+*{padding-top:24px}[data-variant=c] .welcome-banner{margin-top:-24px;margin-left:-16px;margin-right:-16px;padding:32px 16px}[data-variant=c] .welcome-banner-title{font-size:28px}[data-variant=c] .welcome-banner-stats{gap:20px}.nav-links{flex-wrap:wrap}.subject-hero{padding:22px}.subject-hero-title{font-size:var(--font-size-2xl)}.quick-stats,.rating-row{grid-template-columns:1fr}.flip-card-text{font-size:var(--font-size-base)}.flip-card-face{padding:22px}.tour-card{padding:24px}.tab-list{-webkit-overflow-scrolling:touch;flex-wrap:nowrap;padding-bottom:6px;overflow-x:auto}.tab-button{flex-shrink:0}.topbar-search-trigger,.avatar-trigger-name{display:none}.hero{padding-top:40px}}.mock-exam-selector{flex-direction:column;gap:24px;display:flex}.mock-exam-selector-header{flex-direction:column;gap:6px;display:flex}.mock-exam-selector-grid{grid-template-columns:1fr;gap:16px;display:grid}@media (min-width:720px){.mock-exam-selector-grid{grid-template-columns:1fr 1fr}}.mock-exam-selector-card{background:var(--surface);border:1px solid var(--border);text-align:left;cursor:pointer;border-radius:12px;flex-direction:column;align-items:flex-start;gap:8px;padding:24px;transition:border-color .12s,transform .12s,box-shadow .12s;display:flex}.mock-exam-selector-card:hover{border-color:#4f46e5;transform:translateY(-2px);box-shadow:0 6px 18px #4f46e51a}.mock-exam-selector-card-badge{letter-spacing:.16em;text-transform:uppercase;color:#4f46e5;background:#eef2ff;border-radius:999px;padding:4px 10px;font-size:11px;font-weight:700}[data-theme=dark] .mock-exam-selector-card-badge{color:#a5b4fc;background:#1e1b4b}.mock-exam-selector-card-title{margin:4px 0 0;font-size:20px;font-weight:700}.mock-exam-selector-card-sub{color:var(--muted);margin:0;font-size:14px;line-height:1.55}.mock-exam-selector-card-cta{color:#4f46e5;margin-top:8px;font-size:14px;font-weight:600}@media screen{.ma11-print-controls{background:#f0f9ff;border:1px solid #bae6fd;border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;padding:16px 20px;display:flex}[data-theme=dark] .ma11-print-controls{background:#0c2138;border-color:#1e3a5f}.ma11-cs-screen-title{color:#1e1b4b;margin:0;font-size:22px;font-weight:700}[data-theme=dark] .ma11-cs-screen-title{color:#e0e7ff}.ma11-cs-screen-sub{color:var(--muted);margin:4px 0 0;font-size:14px}.ma11-print-actions{flex-direction:column;align-items:flex-end;gap:6px;display:flex}.ma11-print-button{color:#fff;cursor:pointer;background:#4f46e5;border:none;border-radius:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:background .12s,transform .12s}.ma11-print-button:hover{background:#4338ca;transform:translateY(-1px)}.ma11-print-hint{color:#6b7280;text-align:right;max-width:280px;font-size:12px}.ma11-cheatsheet-printable{color:#111827;background:#fff;border:1px solid #e5e7eb;border-radius:8px;max-width:1200px;margin:0 auto;padding:12px}[data-theme=dark] .ma11-cheatsheet-printable{color:#111827;background:#fff}.ma11-cheatsheet-page-1,.ma11-cheatsheet-page-2{padding:6px 4px 18px}.ma11-cheatsheet-page-2{border-top:1px dashed #c7d2fe;margin-top:12px;padding-top:10px}.cs-header{border-bottom:1.5px solid #1e1b4b;justify-content:space-between;align-items:baseline;margin-bottom:8px;padding:0 4px 4px;display:flex}.cs-title{color:#1e1b4b;font-size:12pt;font-weight:700}.cs-page{color:#6b7280;font-size:9pt}.cs-grid-12{grid-template-columns:repeat(12,1fr);gap:6px 8px;display:grid}@media (max-width:720px){.cs-grid-12{grid-template-columns:1fr}.cs-zone{grid-area:auto/span 1!important}}.cs-zone{font-size:10pt;line-height:1.35}.cs-zone--row2{margin-top:4px}.cs-row2-grid{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}@media (max-width:920px){.cs-row2-grid{grid-template-columns:1fr 1fr}}@media (max-width:600px){.cs-row2-grid{grid-template-columns:1fr}}.cs-block{break-inside:avoid;background:#f9fafb;border:1px solid #e5e7eb;border-radius:4px;margin-bottom:6px;padding:4px 6px}.cs-block--emphasis{background:#fff;border:1.5px solid #4f46e5}.cs-block--business{background:#eff6ff;border-color:#bfdbfe}.cs-block-title{color:#1e1b4b;letter-spacing:.01em;border-bottom:.5pt solid #c7d2fe;margin:0 0 2px;padding-bottom:1px;font-size:9pt;font-weight:700}.cs-formula-list{margin:0;padding-left:0;list-style:none}.cs-formula-list li{margin:1px 0;line-height:1.45}.cs-table{border-collapse:collapse;width:100%;margin:2px 0}.cs-table th,.cs-table td{vertical-align:middle;text-align:left;border-bottom:.5pt solid #e5e7eb;padding:1px 4px;font-size:9pt}.cs-table th{color:#1e1b4b;background:0 0;font-weight:700}.cs-table tr:last-child td{border-bottom:none}.ma11-cheatsheet-printable .katex{font-size:inherit!important}.ma11-cheatsheet-printable .katex-display{text-align:left!important;margin:1px 0!important}.cs-svg-gallery{grid-template-columns:repeat(4,1fr);gap:3px;margin:3px 0;display:grid}.cs-svg-mini{text-align:center}.cs-svg-mini svg{width:100%;height:38px;display:block}.cs-svg-label{color:#4b5563;margin-top:1px;font-size:7.5pt}.cs-business-shell{background:#eff6ff;border:1px solid #bfdbfe;border-radius:6px;padding:4px}.cs-business-grid{grid-template-columns:1.2fr 1fr;gap:6px;display:grid}.cs-business-grid>.cs-block{background:#fff;border-color:#bfdbfe}.cs-business-charts{flex-direction:column;grid-area:1/2/span 3;gap:6px;display:flex}.cs-business-chart{background:#fff;border:1px solid #bfdbfe;border-radius:4px;padding:4px}.cs-business-chart svg{width:100%;height:60px}.cs-footer{text-align:center;color:#9ca3af;margin-top:12px;font-size:8pt;font-style:italic}}@media print{body.ma11-cheatsheet-active *{visibility:hidden}body.ma11-cheatsheet-active .ma11-cheatsheet-printable,body.ma11-cheatsheet-active .ma11-cheatsheet-printable *{visibility:visible}body.ma11-cheatsheet-active .ma11-print-controls,body.ma11-cheatsheet-active .user-watermark,body.ma11-cheatsheet-active .sidebar,body.ma11-cheatsheet-active .topbar,body.ma11-cheatsheet-active nav{display:none!important}@page{size:A4;margin:4mm}body.ma11-cheatsheet-active .ma11-cheatsheet-printable{color:#000;-webkit-print-color-adjust:exact;print-color-adjust:exact;background:#fff;border:none;max-width:none;margin:0;padding:0;font-size:6.5pt;line-height:1.12;position:absolute;top:0;left:0;right:0}body.ma11-cheatsheet-active .ma11-cheatsheet-page-1,body.ma11-cheatsheet-active .ma11-cheatsheet-page-2{border:none;margin:0;padding:0}body.ma11-cheatsheet-active .ma11-cheatsheet-page-2{break-before:page;-webkit-column-break-before:page;page-break-before:always}body.ma11-cheatsheet-active .cs-header{border-bottom:.6pt solid #1e1b4b;margin:0 0 1mm;padding:0 1mm .5pt}body.ma11-cheatsheet-active .cs-title{font-size:7.5pt}body.ma11-cheatsheet-active .cs-page{font-size:6pt}body.ma11-cheatsheet-active .cs-grid-12{grid-template-columns:repeat(12,1fr);gap:.8mm 1mm;display:grid}body.ma11-cheatsheet-active .cs-zone{font-size:6.5pt;line-height:1.12}body.ma11-cheatsheet-active .cs-row2-grid{grid-template-columns:repeat(5,1fr);gap:.8mm;margin-top:.5mm;display:grid}body.ma11-cheatsheet-active .cs-block{break-inside:avoid;page-break-inside:avoid;background:0 0;border:.3pt solid #94a3b8;border-radius:1pt;margin:0 0 .6mm;padding:.4mm .8mm}body.ma11-cheatsheet-active .cs-block--emphasis{background:#fbfbff;border:.6pt solid #4f46e5}body.ma11-cheatsheet-active .cs-block--business{background:#eff6ff;border-color:#93c5fd}body.ma11-cheatsheet-active .cs-block-title{color:#1e1b4b;border-bottom:.3pt solid #c7d2fe;margin:0 0 .2mm;padding-bottom:.2mm;font-size:6.5pt}body.ma11-cheatsheet-active .cs-formula-list{margin:0;padding:0;list-style:none}body.ma11-cheatsheet-active .cs-formula-list li{margin:.05mm 0;line-height:1.1}body.ma11-cheatsheet-active .cs-table{border-collapse:collapse;width:100%;margin:.2mm 0;font-size:6pt}body.ma11-cheatsheet-active .cs-table th,body.ma11-cheatsheet-active .cs-table td{border-bottom:.2pt solid #d1d5db;padding:.05mm .5mm;line-height:1.1}body.ma11-cheatsheet-active .cs-table tr:last-child td{border-bottom:none}body.ma11-cheatsheet-active .ma11-cheatsheet-printable .katex{font-size:inherit!important}body.ma11-cheatsheet-active .ma11-cheatsheet-printable .katex-display{text-align:left!important;margin:.3mm 0!important}body.ma11-cheatsheet-active .cs-svg-gallery{grid-template-columns:repeat(4,1fr);gap:.6mm;margin:.5mm 0;display:grid}body.ma11-cheatsheet-active .cs-svg-mini svg{width:100%;height:8mm;display:block}body.ma11-cheatsheet-active .cs-svg-label{color:#4b5563;margin-top:.2mm;font-size:5.5pt}body.ma11-cheatsheet-active .cs-business-shell{background:#eff6ff;border:.4pt solid #bfdbfe;border-radius:1pt;padding:.6mm}body.ma11-cheatsheet-active .cs-business-grid{grid-template-columns:1.2fr 1fr;gap:.8mm;display:grid}body.ma11-cheatsheet-active .cs-business-grid>.cs-block{background:#fff}body.ma11-cheatsheet-active .cs-business-charts{flex-direction:column;grid-area:1/2/span 3;gap:.8mm;display:flex}body.ma11-cheatsheet-active .cs-business-chart{background:#fff;border:.3pt solid #bfdbfe;border-radius:1pt;padding:.4mm}body.ma11-cheatsheet-active .cs-business-chart svg{width:100%;height:14mm}body.ma11-cheatsheet-active .cs-footer{text-align:center;color:#9ca3af;margin-top:1mm;font-size:5.5pt;font-style:italic}}.mg11-exercises-article{max-width:920px;margin:0 auto}.mg11-filter-bar{background:#f9fafb;border:1px solid #e5e7eb;border-radius:10px;flex-wrap:wrap;gap:8px;margin:16px 0 24px;padding:8px;display:flex}[data-theme=dark] .mg11-filter-bar{background:#131722;border-color:#2a2f3d}.mg11-filter-pill{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;padding:8px 14px;font-size:13px;font-weight:600;transition:background .1s,border-color .1s,color .1s}.mg11-filter-pill:hover{color:#1e1b4b;background:#fff}[data-theme=dark] .mg11-filter-pill:hover{color:#e0e7ff;background:#1e2230}.mg11-filter-pill.active{color:#fff;background:#4f46e5;border-color:#4f46e5}.mg11-filter-count{opacity:.85;margin-left:4px;font-weight:500}.mg11-exercises-list{flex-direction:column;gap:18px;display:flex}.mg11-exercise-card,.mg11-correction-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px 22px;scroll-margin-top:90px}[data-theme=dark] .mg11-exercise-card,[data-theme=dark] .mg11-correction-card{background:#131722;border-color:#2a2f3d}.mg11-exercise-header{margin-bottom:12px}.mg11-exercise-meta{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.mg11-exercise-num{text-transform:uppercase;letter-spacing:.06em;color:#6b7280;font-size:12px;font-weight:700}.mg11-badge{text-transform:uppercase;letter-spacing:.05em;border-radius:999px;padding:3px 10px;font-size:11px;font-weight:700}.mg11-badge--mcq{color:#1e3a8a;background:#dbeafe}.mg11-badge--short{color:#92400e;background:#fef3c7}.mg11-badge--critical{color:#9d174d;background:#fce7f3}[data-theme=dark] .mg11-badge--mcq{color:#bfdbfe;background:#1e3a5f}[data-theme=dark] .mg11-badge--short{color:#fcd34d;background:#422006}[data-theme=dark] .mg11-badge--critical{color:#fbcfe8;background:#500724}.mg11-week-tag{border-radius:6px;padding:3px 9px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:600}.mg11-week-tag--single{color:#374151;background:#f3f4f6}.mg11-week-tag--cross{color:#4f46e5;background:#eef2ff;border:1px dashed #c7d2fe}[data-theme=dark] .mg11-week-tag--single{color:#d1d5db;background:#1e2230}[data-theme=dark] .mg11-week-tag--cross{color:#c7d2fe;background:#1e1b4b;border-color:#4338ca}.mg11-exercise-question{color:#1f2937;margin-bottom:12px;font-size:15px;line-height:1.6}[data-theme=dark] .mg11-exercise-question{color:#e5e7eb}.mg11-correction-prompt{background:#f9fafb;border-left:3px solid #9ca3af;border-radius:0 6px 6px 0;padding:10px 14px;font-size:14px}[data-theme=dark] .mg11-correction-prompt{background:#1a1d28}.mg11-mcq-options{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.mg11-mcq-options li{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;gap:10px;padding:10px 14px;font-size:14px;line-height:1.5;display:flex}[data-theme=dark] .mg11-mcq-options li{background:#1a1d28;border-color:#2a2f3d}.mg11-mcq-letter{color:#4f46e5;flex:none;font-weight:700}.mg11-mcq-text{flex:1}.mg11-format-hint{color:#4b5563;background:#fef3c7;border-left:3px solid #f59e0b;border-radius:6px;align-items:baseline;gap:12px;padding:10px 14px;font-size:13px;display:flex}[data-theme=dark] .mg11-format-hint{color:#fde68a;background:#422006}.mg11-context-prompt{color:#4b5563;background:#eff6ff;border-left:3px solid #3b82f6;border-radius:0 6px 6px 0;margin:8px 0;padding:10px 14px;font-size:14px;line-height:1.55}[data-theme=dark] .mg11-context-prompt{color:#bfdbfe;background:#0c2138}.mg11-mcq-verdict{background:#ecfdf5;border:1px solid #34d399;border-radius:8px;align-items:flex-start;gap:14px;padding:12px 16px;display:flex}[data-theme=dark] .mg11-mcq-verdict{background:#064e3b;border-color:#10b981}.mg11-mcq-verdict-pill{color:#065f46;background:#fff;border:1px solid #34d399;border-radius:999px;flex:none;padding:6px 12px;font-size:16px;font-weight:700}[data-theme=dark] .mg11-mcq-verdict-pill{color:#6ee7b7;background:#022c22}.mg11-mcq-explanation{color:#1f2937;font-size:14px;line-height:1.6}[data-theme=dark] .mg11-mcq-explanation{color:#e5e7eb}.mg11-callout{border-left:3px solid;border-radius:8px;margin:14px 0;padding:12px 16px;font-size:14px;line-height:1.55}.mg11-callout strong{margin-bottom:4px;display:block}.mg11-callout--example{background:#fef3c7;border-color:#f59e0b}.mg11-callout--warning,.mg11-callout--mistakes{background:#fee2e2;border-color:#ef4444}.mg11-callout--tip{background:#eff6ff;border-color:#3b82f6}.mg11-callout--success{background:#ecfdf5;border-color:#10b981}[data-theme=dark] .mg11-callout--example{background:#422006}[data-theme=dark] .mg11-callout--warning,[data-theme=dark] .mg11-callout--mistakes{background:#500724}[data-theme=dark] .mg11-callout--tip{background:#0c2138}[data-theme=dark] .mg11-callout--success{background:#064e3b}.mg11-callout ul,.mg11-callout ol{margin:4px 0 0;padding-left:22px}.mg11-key-points{background:#f9fafb;border-radius:8px;margin:14px 0;padding:12px 16px;font-size:14px;line-height:1.6}[data-theme=dark] .mg11-key-points{background:#1a1d28}.mg11-key-points ul,.mg11-key-points ol{margin:6px 0 0;padding-left:22px}.mg11-outline-map{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;margin:16px 0;padding:12px}.mg11-outline-map svg{width:100%;height:auto;max-height:280px}.mg11-outline-map figcaption{color:#6b7280;text-align:center;margin-top:6px;font-size:12px;font-style:italic}.mg11-ct-workspace{flex-direction:column;gap:8px;margin-top:12px;display:flex}.mg11-ct-textarea{resize:vertical;color:#1f2937;background:#fff;border:1px solid #d1d5db;border-radius:8px;width:100%;min-height:180px;padding:12px 14px;font-family:inherit;font-size:14px;line-height:1.55}[data-theme=dark] .mg11-ct-textarea{color:#e5e7eb;background:#131722;border-color:#2a2f3d}.mg11-ct-textarea:focus{outline-offset:1px;outline:2px solid #4f46e5}.mg11-ct-meta{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.mg11-ct-counter{color:#6b7280;background:#f3f4f6;border-radius:6px;padding:4px 10px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px}.mg11-ct-counter.in-range{color:#065f46;background:#dcfce7}[data-theme=dark] .mg11-ct-counter{color:#d1d5db;background:#1e2230}[data-theme=dark] .mg11-ct-counter.in-range{color:#6ee7b7;background:#064e3b}.mg11-ct-show-map{color:#4f46e5;cursor:pointer;background:#fff;border:1px solid #4f46e5;border-radius:6px;padding:6px 14px;font-size:13px;font-weight:600}.mg11-ct-show-map:hover{color:#fff;background:#4f46e5}[data-theme=dark] .mg11-ct-show-map{background:#131722}.mg11-difficulty-tag{color:#9d174d;background:#fce7f3;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700}[data-theme=dark] .mg11-difficulty-tag{color:#fbcfe8;background:#500724}.mg11-outline-map--inline{margin-top:6px}.mg11-ct-outline{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;margin:14px 0;padding:14px 16px}[data-theme=dark] .mg11-ct-outline{background:#1a1d28;border-color:#2a2f3d}.mg11-ct-outline-section{color:#1e1b4b;margin:14px 0 6px;font-size:13px;font-weight:700}[data-theme=dark] .mg11-ct-outline-section{color:#e0e7ff}.mg11-ct-outline-section:first-child{margin-top:0}.mg11-ct-outline-text{color:#1f2937;font-size:14px;line-height:1.55}[data-theme=dark] .mg11-ct-outline-text{color:#e5e7eb}.mg11-ct-bodies{flex-direction:column;gap:12px;margin:6px 0 0;padding:0;list-style:none;display:flex}.mg11-ct-body{background:#fff;border-left:3px solid #4f46e5;border-radius:0 6px 6px 0;padding:10px 14px}[data-theme=dark] .mg11-ct-body{background:#131722}.mg11-ct-body-heading{color:#1e1b4b;margin-bottom:6px;font-size:14px;font-weight:700}[data-theme=dark] .mg11-ct-body-heading{color:#e0e7ff}.mg11-ct-body-points{margin:0 0 8px;padding-left:22px;font-size:13px;line-height:1.55}.mg11-ct-body-meta{color:#4b5563;background:#f3f4f6;border-radius:6px;flex-direction:column;gap:4px;padding:8px 10px;font-size:12px;display:flex}[data-theme=dark] .mg11-ct-body-meta{color:#d1d5db;background:#1e2230}.mg11-ct-concepts strong,.mg11-ct-illustration strong{color:#4f46e5;margin-right:4px}.mg11-ct-limitations{color:#4b5563;margin:6px 0 0;padding-left:22px;font-size:13px;font-style:italic;line-height:1.55}[data-theme=dark] .mg11-ct-limitations{color:#d1d5db}.mg11-mark-breakdown{background:#eef2ff;border:1px solid #c7d2fe;border-radius:8px;margin:14px 0;padding:12px 16px}[data-theme=dark] .mg11-mark-breakdown{background:#1e1b4b;border-color:#4338ca}.mg11-mark-grid{grid-template-columns:repeat(2,1fr);gap:8px;margin-top:8px;display:grid}@media (min-width:640px){.mg11-mark-grid{grid-template-columns:repeat(4,1fr)}}.mg11-mark-cell{text-align:center;background:#fff;border-radius:6px;flex-direction:column;align-items:center;padding:10px;display:flex}[data-theme=dark] .mg11-mark-cell{background:#131722}.mg11-mark-cell span{color:#6b7280;text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:600}.mg11-mark-cell strong{color:#4f46e5;margin-top:4px;font-size:22px;font-weight:700}[data-theme=dark] .mg11-mark-cell strong{color:#a5b4fc}.mg11-mock-selector-article{max-width:1100px;margin:0 auto}.mg11-mock-grid{grid-template-columns:1fr;gap:20px;margin-top:24px;display:grid}@media (min-width:768px){.mg11-mock-grid{grid-template-columns:1fr 1fr}}.mg11-mock-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:14px;padding:24px;display:flex}[data-theme=dark] .mg11-mock-card{background:#131722;border-color:#2a2f3d}.mg11-mock-card h2{color:#1e1b4b;margin:0;font-size:22px}[data-theme=dark] .mg11-mock-card h2{color:#e0e7ff}.mg11-mock-card-meta{color:#6b7280;flex-wrap:wrap;gap:14px;margin:0;font-size:13px;display:flex}.mg11-mock-card-sections{margin:0;padding-left:20px;font-size:14px;line-height:1.6}.mg11-mock-modal-backdrop{z-index:1000;background:#0f172a99;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.mg11-mock-modal{background:#fff;border-radius:12px;width:100%;max-width:560px;padding:28px;box-shadow:0 20px 50px #0f172a4d}[data-theme=dark] .mg11-mock-modal{background:#131722}.mg11-mock-modal h3{color:#1e1b4b;margin:0 0 8px}[data-theme=dark] .mg11-mock-modal h3{color:#e0e7ff}.mg11-mock-modal-options{flex-direction:column;gap:12px;margin:18px 0;display:flex}.mg11-mock-modal-button{cursor:pointer;text-align:left;background:#fff;border:2px solid #e5e7eb;border-radius:10px;flex-direction:column;align-items:flex-start;gap:4px;padding:16px 18px;font-family:inherit;display:flex}[data-theme=dark] .mg11-mock-modal-button{background:#1a1d28;border-color:#2a2f3d}.mg11-mock-modal-button:hover{border-color:#4f46e5}.mg11-mock-modal-button--timer:hover{background:#fee2e2;border-color:#ef4444}.mg11-mock-modal-button--practice:hover{background:#dcfce7;border-color:#10b981}.mg11-mock-modal-button strong{color:#1e1b4b;font-size:15px}[data-theme=dark] .mg11-mock-modal-button strong{color:#e0e7ff}.mg11-mock-modal-button span{color:#6b7280;font-size:12px;line-height:1.45}.mg11-mock-modal-cancel{color:#6b7280;cursor:pointer;background:0 0;border:1px solid #d1d5db;border-radius:6px;padding:8px 16px;font-family:inherit;font-size:13px}.mg11-mock-article{max-width:1100px;margin:0 auto;padding-bottom:60px}.mg11-mock-header{border-bottom:1px solid #e5e7eb;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px;padding-bottom:16px;display:flex}.mg11-mock-back{color:#4f46e5;cursor:pointer;background:0 0;border:none;padding:4px 0;font-family:inherit;font-size:13px}.mg11-mock-progress{flex-direction:column;align-items:flex-end;gap:10px;display:flex}.mg11-mock-timer{color:#1e1b4b;background:#eef2ff;border:1px solid #c7d2fe;border-radius:8px;padding:6px 14px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:22px;font-weight:700}.mg11-mock-timer--low{color:#fff;background:#dc2626;border-color:#dc2626;animation:1.2s infinite mg11TimerPulse}@keyframes mg11TimerPulse{0%,to{box-shadow:0 0 #dc262680}50%{box-shadow:0 0 0 6px #dc262600}}.mg11-mock-progress-bar{flex-direction:column;align-items:flex-end;gap:4px;display:flex}.mg11-mock-progress-bar>span{color:#6b7280;font-size:12px;font-weight:600}.mg11-mock-progress-track{background:#e5e7eb;border-radius:3px;width:200px;height:6px;overflow:hidden}.mg11-mock-progress-fill{background:#4f46e5;height:100%;transition:width .2s}.mg11-mock-score{color:#1e1b4b;text-align:right;font-size:13px}.mg11-mock-score strong{font-size:18px}.mg11-mock-score-note{color:#6b7280;font-size:11px}.mg11-mock-tabs{border-bottom:1px solid #e5e7eb;gap:4px;margin-bottom:18px;display:flex}.mg11-mock-tab{cursor:pointer;color:#6b7280;background:0 0;border:none;border-bottom:3px solid #0000;padding:10px 16px;font-family:inherit;font-size:13px;font-weight:600}.mg11-mock-tab:hover{color:#1e1b4b}.mg11-mock-tab.active{color:#4f46e5;border-bottom-color:#4f46e5}.mg11-mock-instruction{background:#fef3c7;border-left:3px solid #f59e0b;border-radius:0 6px 6px 0;margin:0 0 18px;padding:10px 14px;font-size:13px}[data-theme=dark] .mg11-mock-instruction{background:#422006}.mg11-mock-section{flex-direction:column;gap:18px;display:flex}.mg11-mock-footer{border-top:1px solid #e5e7eb;justify-content:flex-end;margin-top:30px;padding-top:20px;display:flex}.mg11-mock-options{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.mg11-mock-option{cursor:pointer;text-align:left;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;align-items:flex-start;gap:10px;width:100%;padding:10px 14px;font-family:inherit;font-size:14px;display:flex}[data-theme=dark] .mg11-mock-option{background:#1a1d28;border-color:#2a2f3d}.mg11-mock-option:hover:not([disabled]){border-color:#4f46e5}.mg11-mock-option--selected{background:#eef2ff;border-color:#4f46e5}[data-theme=dark] .mg11-mock-option--selected{background:#1e1b4b}.mg11-mock-option--correct{background:#dcfce7;border-color:#10b981}[data-theme=dark] .mg11-mock-option--correct{background:#064e3b}.mg11-mock-option--wrong{background:#fee2e2;border-color:#ef4444}[data-theme=dark] .mg11-mock-option--wrong{background:#500724}.mg11-mock-tick{color:#10b981;margin-left:auto;font-weight:700}.mg11-mock-choose{color:#4f46e5;cursor:pointer;background:#fff;border:1px solid #4f46e5;border-radius:6px;padding:4px 12px;font-family:inherit;font-size:12px;font-weight:600}.mg11-mock-choose:hover{background:#eef2ff}.mg11-mock-choose--active{color:#fff;background:#4f46e5}.mg11-mock-disabled{opacity:.5}.mg11-mock-meta{color:#6b7280;flex-wrap:wrap;gap:16px;margin-top:8px;font-size:12px;display:flex}[data-theme=dark] .mg11-mock-meta{color:#9ca3af}.mg11-callout--success{background:#dcfce7;border-left:3px solid #10b981;border-radius:0 6px 6px 0;margin-top:12px;padding:12px 14px}[data-theme=dark] .mg11-callout--success{color:#6ee7b7;background:#064e3b}.mg11-defsheet-page{background:#fafbfc;min-height:100%}[data-theme=dark] .mg11-defsheet-page{background:#0f1015}.mg11-defsheet-article{max-width:1100px;margin:0 auto;padding:32px 24px 60px}.mg11-defsheet-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.mg11-defsheet-controls{z-index:10;-webkit-backdrop-filter:blur(8px);background:#fafbfcf5;border-bottom:1px solid #e5e7eb;margin-bottom:16px;padding:16px 0;position:sticky;top:0}[data-theme=dark] .mg11-defsheet-controls{background:#0f1015f5;border-color:#2a2f3d}.mg11-defsheet-search{margin-bottom:12px;position:relative}.mg11-defsheet-search-input{color:#1f2937;background:#fff;border:1px solid #d1d5db;border-radius:10px;width:100%;padding:12px 40px 12px 16px;font-family:inherit;font-size:15px;transition:border-color .12s,box-shadow .12s}[data-theme=dark] .mg11-defsheet-search-input{color:#e5e7eb;background:#131722;border-color:#2a2f3d}.mg11-defsheet-search-input:focus{border-color:#4f46e5;outline:none;box-shadow:0 0 0 3px #4f46e526}.mg11-defsheet-search-clear{cursor:pointer;color:#6b7280;background:#e5e7eb;border:none;border-radius:50%;width:22px;height:22px;font-family:inherit;font-size:14px;line-height:1;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.mg11-defsheet-search-clear:hover{background:#d1d5db}.mg11-defsheet-filters{flex-wrap:wrap;gap:8px;display:flex}.mg11-defsheet-filter{color:#6b7280;cursor:pointer;background:#fff;border:1px solid #d1d5db;border-radius:999px;padding:6px 14px;font-family:inherit;font-size:12px;font-weight:600;transition:all .12s}[data-theme=dark] .mg11-defsheet-filter{background:#131722;border-color:#2a2f3d}.mg11-defsheet-filter:hover{color:#4f46e5;border-color:#4f46e5}.mg11-defsheet-filter.active{color:#fff;background:#4f46e5;border-color:#4f46e5}.mg11-defsheet-filter-count{opacity:.85;margin-left:4px;font-weight:500}.mg11-defsheet-counter{color:#6b7280;margin-bottom:16px;padding:0 4px;font-size:13px}.mg11-defsheet-counter strong{color:#1e1b4b;font-weight:700}[data-theme=dark] .mg11-defsheet-counter strong{color:#e0e7ff}.mg11-defsheet-list{flex-direction:column;gap:16px;display:flex}.mg11-defsheet-empty{text-align:center;color:#6b7280;background:#fff;border:1px dashed #d1d5db;border-radius:12px;padding:60px 20px}[data-theme=dark] .mg11-defsheet-empty{background:#131722;border-color:#2a2f3d}.mg11-def-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px 24px;scroll-margin-top:140px;transition:border-color .15s}[data-theme=dark] .mg11-def-card{background:#131722;border-color:#2a2f3d}.mg11-def-card:hover{border-color:#c7d2fe}[data-theme=dark] .mg11-def-card:hover{border-color:#4338ca}.mg11-def-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:12px;display:flex}.mg11-def-titles{flex:auto;min-width:0}.mg11-def-term{color:#1e1b4b;margin:0 0 6px;font-size:18px;font-weight:700}[data-theme=dark] .mg11-def-term{color:#e0e7ff}.mg11-def-tags{flex-wrap:wrap;gap:6px;display:flex}.mg11-def-attribution{color:#6b7280;white-space:nowrap;margin-top:4px;font-size:12px;font-style:italic}.mg11-def-theme{text-transform:uppercase;letter-spacing:.05em;border-radius:999px;padding:2px 9px;font-size:11px;font-weight:700}.mg11-def-theme--strategy{color:#1e3a8a;background:#dbeafe}.mg11-def-theme--innovation{color:#9d174d;background:#fce7f3}.mg11-def-theme--organization{color:#92400e;background:#fef3c7}.mg11-def-theme--human{color:#065f46;background:#dcfce7}.mg11-def-theme--global{color:#5b21b6;background:#ede9fe}[data-theme=dark] .mg11-def-theme--strategy{color:#bfdbfe;background:#1e3a5f}[data-theme=dark] .mg11-def-theme--innovation{color:#fbcfe8;background:#500724}[data-theme=dark] .mg11-def-theme--organization{color:#fcd34d;background:#422006}[data-theme=dark] .mg11-def-theme--human{color:#6ee7b7;background:#064e3b}[data-theme=dark] .mg11-def-theme--global{color:#c4b5fd;background:#2e1065}.mg11-def-body{flex-direction:column;gap:12px;display:flex}.mg11-def-definition{color:#1f2937;font-size:14px;line-height:1.65}[data-theme=dark] .mg11-def-definition{color:#d1d5db}.mg11-def-components{background:#f9fafb;border-left:3px solid #4f46e5;border-radius:0 6px 6px 0;padding:10px 14px;font-size:13px}[data-theme=dark] .mg11-def-components{background:#1a1d28}.mg11-def-components strong{color:#1e1b4b;margin-bottom:6px;font-size:13px;display:block}[data-theme=dark] .mg11-def-components strong{color:#e0e7ff}.mg11-def-components ul{margin:0;padding-left:22px}.mg11-def-components li{margin:3px 0;line-height:1.5}.mg11-def-example{color:#78350f;background:#fef3c7;border-left:3px solid #f59e0b;border-radius:0 6px 6px 0;padding:10px 14px;font-size:13px;line-height:1.55}[data-theme=dark] .mg11-def-example{color:#fde68a;background:#422006}.mg11-def-example strong{color:#92400e}[data-theme=dark] .mg11-def-example strong{color:#fbbf24}.mg11-def-related{color:#6b7280;flex-wrap:wrap;align-items:center;gap:6px;padding-top:4px;font-size:12px;display:flex}.mg11-def-related>span{font-weight:600}.mg11-def-related-chip{color:#4f46e5;cursor:pointer;background:#eef2ff;border:1px solid #c7d2fe;border-radius:999px;padding:3px 10px;font-family:inherit;font-size:12px;font-weight:600;transition:background .12s}.mg11-def-related-chip:hover{background:#c7d2fe}[data-theme=dark] .mg11-def-related-chip{color:#c7d2fe;background:#1e1b4b;border-color:#4338ca}[data-theme=dark] .mg11-def-related-chip:hover{color:#fff;background:#4338ca}.mg11-defsheet-mark{color:inherit;background:#fef08a;border-radius:2px;padding:1px 2px}[data-theme=dark] .mg11-defsheet-mark{color:#fef08a;background:#854d0e}@media print{body.mg11-defsheet-active .mg11-defsheet-controls,body.mg11-defsheet-active .mg11-defsheet-counter,body.mg11-defsheet-active .mg11-print-button,body.mg11-defsheet-active .topbar,body.mg11-defsheet-active .sidebar,body.mg11-defsheet-active nav,body.mg11-defsheet-active .user-watermark,body.mg11-defsheet-active .tab-list,body.mg11-defsheet-active .mg11-def-related-chip{display:none!important}body.mg11-defsheet-active .mg11-defsheet-page,body.mg11-defsheet-active .mg11-defsheet-article{background:#fff!important;max-width:none!important;margin:0!important;padding:0!important}@page{size:A4;margin:8mm}body.mg11-defsheet-active{-webkit-print-color-adjust:exact;print-color-adjust:exact;font-size:9pt;line-height:1.35;color:#000!important;background:#fff!important}body.mg11-defsheet-active .course-h1{margin-bottom:6px;font-size:14pt}body.mg11-defsheet-active .course-subtitle{margin-bottom:10px;font-size:9pt}body.mg11-defsheet-active .mg11-defsheet-header{margin-bottom:8mm}body.mg11-defsheet-active .mg11-defsheet-list{column-count:2;column-fill:auto;gap:0;display:block}body.mg11-defsheet-active .mg11-def-card{break-inside:avoid;page-break-inside:avoid;border:.4pt solid #94a3b8;border-radius:2pt;margin-bottom:4mm;padding:5pt 7pt}body.mg11-defsheet-active .mg11-def-term{font-size:10pt}body.mg11-defsheet-active .mg11-def-definition{font-size:8.5pt;line-height:1.3}body.mg11-defsheet-active .mg11-def-components,body.mg11-defsheet-active .mg11-def-example{margin-top:3pt;padding:4pt 6pt;font-size:8pt}body.mg11-defsheet-active .mg11-def-attribution{font-size:7.5pt}body.mg11-defsheet-active .mg11-def-theme,body.mg11-defsheet-active .mg11-week-tag{padding:1pt 5pt;font-size:7pt}body.mg11-defsheet-active .mg11-def-related{display:none}}.sk11-techsheet{max-width:1100px;margin:0 auto;padding:24px}.sk11-techsheet-controls{z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff5;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:10px;margin-bottom:18px;padding:14px;display:flex;position:sticky;top:0}[data-theme=dark] .sk11-techsheet-controls{background:#0f172af2;border-color:#334155}.sk11-techsheet-list{gap:16px;display:grid}.sk11-techsheet-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:10px;padding:18px 20px;transition:border-color .12s,box-shadow .12s;display:flex}.sk11-techsheet-card:hover{border-color:#c7d2fe;box-shadow:0 2px 12px #4f46e514}[data-theme=dark] .sk11-techsheet-card{background:#0f172a;border-color:#334155}[data-theme=dark] .sk11-techsheet-card:hover{border-color:#4338ca}.sk11-techsheet-card-head{flex-direction:column;gap:6px;display:flex}.sk11-techsheet-card-titleblock{flex-direction:column;gap:2px;display:flex}.sk11-techsheet-name{color:#111827;letter-spacing:-.01em;margin:0;font-size:18px;font-weight:700}[data-theme=dark] .sk11-techsheet-name{color:#f1f5f9}.sk11-techsheet-attribution{color:#6b7280;font-size:12px}[data-theme=dark] .sk11-techsheet-attribution{color:#94a3b8}.sk11-techsheet-meta{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.sk11-techsheet-badge{text-transform:uppercase;letter-spacing:.04em;border:1px solid #0000;border-radius:999px;padding:3px 9px;font-size:11px;font-weight:700}.sk11-techsheet-badge--structure{color:#4338ca;background:#eef2ff;border-color:#c7d2fe}.sk11-techsheet-badge--style{color:#9d174d;background:#fce7f3;border-color:#fbcfe8}.sk11-techsheet-badge--appeals{color:#92400e;background:#fef3c7;border-color:#fde68a}.sk11-techsheet-badge--persuasion{color:#166534;background:#dcfce7;border-color:#bbf7d0}.sk11-techsheet-badge--delivery{color:#1e40af;background:#dbeafe;border-color:#bfdbfe}.sk11-techsheet-badge--meta{color:#6b21a8;background:#f3e8ff;border-color:#e9d5ff}[data-theme=dark] .sk11-techsheet-badge--structure{color:#c7d2fe;background:#1e1b4b;border-color:#4338ca}[data-theme=dark] .sk11-techsheet-badge--style{color:#fbcfe8;background:#500724;border-color:#9d174d}[data-theme=dark] .sk11-techsheet-badge--appeals{color:#fde68a;background:#451a03;border-color:#92400e}[data-theme=dark] .sk11-techsheet-badge--persuasion{color:#bbf7d0;background:#052e16;border-color:#166534}[data-theme=dark] .sk11-techsheet-badge--delivery{color:#bfdbfe;background:#172554;border-color:#1e40af}[data-theme=dark] .sk11-techsheet-badge--meta{color:#e9d5ff;background:#2e1065;border-color:#6b21a8}.sk11-techsheet-tag{border:1px solid;border-radius:999px;padding:2px 8px;font-size:10.5px;font-weight:600}.sk11-techsheet-tag--usecase{color:#0369a1;background:#f0f9ff;border-color:#bae6fd}.sk11-techsheet-tag--section{color:#9a3412;background:#fff7ed;border-color:#fed7aa}[data-theme=dark] .sk11-techsheet-tag--usecase{color:#bae6fd;background:#082f49;border-color:#0369a1}[data-theme=dark] .sk11-techsheet-tag--section{color:#fed7aa;background:#431407;border-color:#9a3412}.sk11-techsheet-weekref{color:#4b5563;background:#f3f4f6;border:1px solid #e5e7eb;border-radius:999px;padding:2px 8px;font-size:10.5px;font-weight:600}[data-theme=dark] .sk11-techsheet-weekref{color:#9ca3af;background:#1f2937;border-color:#374151}.sk11-techsheet-definition{color:#1f2937;margin:0;font-size:14.5px;line-height:1.55}[data-theme=dark] .sk11-techsheet-definition{color:#e2e8f0}.sk11-techsheet-when{color:#4b5563;background:#f9fafb;border-left:3px solid #818cf8;border-radius:8px;padding:8px 12px;font-size:13.5px;line-height:1.5}.sk11-techsheet-when-label{color:#4338ca;font-weight:700}[data-theme=dark] .sk11-techsheet-when{color:#cbd5e1;background:#0f172a;border-left-color:#6366f1}[data-theme=dark] .sk11-techsheet-when-label{color:#a5b4fc}.sk11-techsheet-how-label{text-transform:uppercase;letter-spacing:.05em;color:#4338ca;margin-bottom:4px;font-size:12px;font-weight:700;display:block}[data-theme=dark] .sk11-techsheet-how-label{color:#a5b4fc}.sk11-techsheet-how ol{color:#1f2937;margin:0;padding-left:22px;font-size:13.5px;line-height:1.55}.sk11-techsheet-how li{margin-bottom:3px}[data-theme=dark] .sk11-techsheet-how ol{color:#e2e8f0}.sk11-techsheet-example{color:#422006;background:#fefce8;border-left:3px solid #eab308;border-radius:6px;padding:10px 14px;font-size:13px;line-height:1.5}.sk11-techsheet-example-label{font-weight:700}.sk11-techsheet-example-quote{color:#1f2937;margin:6px 0 4px;font-style:italic}.sk11-techsheet-example-explanation{color:#374151;margin:0}[data-theme=dark] .sk11-techsheet-example{color:#fef3c7;background:#422006;border-left-color:#facc15}[data-theme=dark] .sk11-techsheet-example-quote{color:#fef3c7}[data-theme=dark] .sk11-techsheet-example-explanation{color:#fde68a}.sk11-techsheet-warning{color:#7f1d1d;background:#fef2f2;border-left:3px solid #ef4444;border-radius:6px;padding:8px 12px;font-size:13px}.sk11-techsheet-warning-label{font-weight:700}[data-theme=dark] .sk11-techsheet-warning{color:#fecaca;background:#450a0a;border-left-color:#f87171}.sk11-techsheet-related{color:#6b7280;flex-wrap:wrap;align-items:center;gap:6px;padding-top:4px;font-size:12px;display:flex}.sk11-techsheet-related-label{font-weight:600}@media print{body.sk11-techsheet-active .sk11-techsheet-controls,body.sk11-techsheet-active .ir11-refsheet-print,body.sk11-techsheet-active .topbar,body.sk11-techsheet-active .sidebar,body.sk11-techsheet-active nav,body.sk11-techsheet-active .user-watermark,body.sk11-techsheet-active .tab-list,body.sk11-techsheet-active .ir11-refsheet-related-chip{display:none!important}body.sk11-techsheet-active .sk11-techsheet,body.sk11-techsheet-active main,body.sk11-techsheet-active .course-article{background:#fff!important;max-width:none!important;margin:0!important;padding:0!important}@page{size:A4;margin:12mm}body.sk11-techsheet-active{-webkit-print-color-adjust:exact;print-color-adjust:exact;font-size:9.5pt;line-height:1.4;color:#000!important;background:#fff!important}body.sk11-techsheet-active .course-h1{margin-bottom:4pt;font-size:15pt}body.sk11-techsheet-active .course-subtitle{margin-bottom:8pt;font-size:9.5pt}body.sk11-techsheet-active .sk11-techsheet-list{gap:0;display:block}body.sk11-techsheet-active .sk11-techsheet-card{break-inside:avoid;page-break-inside:avoid;box-shadow:none;border:.4pt solid #94a3b8;border-radius:2pt;gap:5pt;margin-bottom:5mm;padding:6pt 9pt}body.sk11-techsheet-active .sk11-techsheet-name{font-size:11.5pt}body.sk11-techsheet-active .sk11-techsheet-definition{font-size:9pt}body.sk11-techsheet-active .sk11-techsheet-when,body.sk11-techsheet-active .sk11-techsheet-example,body.sk11-techsheet-active .sk11-techsheet-warning{margin-top:2pt;padding:4pt 6pt;font-size:8.5pt}body.sk11-techsheet-active .sk11-techsheet-how ol{font-size:8.5pt}body.sk11-techsheet-active .sk11-techsheet-attribution{font-size:7.5pt}body.sk11-techsheet-active .sk11-techsheet-badge,body.sk11-techsheet-active .sk11-techsheet-tag,body.sk11-techsheet-active .sk11-techsheet-weekref{padding:1pt 5pt;font-size:7pt}body.sk11-techsheet-active .sk11-techsheet-related{display:none}}.semester-switcher{border:1px solid var(--border);background:var(--surface);border-radius:10px;flex-direction:column;gap:4px;margin-bottom:12px;padding:10px 12px;display:flex;position:relative}.semester-switcher-kicker{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:10.5px;font-weight:600}.semester-switcher-current{color:var(--foreground);font-size:14px;font-weight:700}.semester-switcher--single .semester-switcher-current{letter-spacing:.02em}.semester-switcher-trigger{text-align:left;cursor:pointer;color:inherit;background:0 0;border:none;flex-direction:column;gap:2px;padding:0;font-family:inherit;display:flex}.semester-switcher-current-row{justify-content:space-between;align-items:center;display:flex}.semester-switcher-menu{background:var(--background);border:1px solid var(--border);z-index:25;border-radius:10px;flex-direction:column;display:flex;position:absolute;top:calc(100% + 6px);left:0;right:0;overflow:hidden;box-shadow:0 10px 30px #0000001f}.semester-switcher-option{text-align:left;border:none;border-bottom:1px solid var(--border);cursor:pointer;color:var(--foreground);background:0 0;flex-direction:column;gap:2px;padding:10px 12px;font-family:inherit;text-decoration:none;transition:background .12s;display:flex}.semester-switcher-option:last-child{border-bottom:none}.semester-switcher-option:hover{background:var(--surface)}.semester-switcher-option.active{background:var(--surface-strong,var(--surface));font-weight:700}.semester-switcher-option-short{letter-spacing:.02em;font-size:13px;font-weight:700}.semester-switcher-option-label{color:var(--muted);font-size:11.5px}.semester-switcher-option--cta{background:var(--surface);color:var(--accent,#4f46e5);letter-spacing:.02em;font-size:12.5px;font-weight:600}.semester-switcher--empty{align-items:flex-start}.semester-switcher-label{color:var(--muted);font-size:12px}.semester-switcher-cta{color:var(--accent,#4f46e5);font-size:12.5px;font-weight:600;text-decoration:none}.semester-switcher-cta:hover{text-decoration:underline}.dashboard-greeting-aside{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.dashboard-scope-toggle{border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:2px;display:inline-flex}.dashboard-scope-pill{cursor:pointer;color:var(--muted);background:0 0;border:none;border-radius:999px;padding:6px 14px;font-family:inherit;font-size:12.5px;font-weight:600;transition:background .12s,color .12s}.dashboard-scope-pill.active{background:var(--background);color:var(--foreground);box-shadow:0 1px 3px #0000000f}.dashboard-scope-pill:disabled{opacity:.6;cursor:progress}.pricing-page{max-width:1100px;margin:0 auto;padding:32px 24px}.pricing-header h1{letter-spacing:-.02em;margin:8px 0 12px;font-size:2.4rem}.pricing-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.pricing-card{background:var(--background);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:10px;padding:22px;transition:border-color .12s,box-shadow .12s;display:flex;position:relative}.pricing-card--most-popular{border-color:#4f46e5;box-shadow:0 0 0 3px #4f46e51f}.pricing-card--save-20{border-color:#16a34a;box-shadow:0 0 0 3px #16a34a1a}.pricing-card--owned{background:#f0fdf4;border-color:#16a34a}[data-theme=dark] .pricing-card--owned{background:#052e16}.pricing-badge{color:#fff;text-transform:uppercase;letter-spacing:.04em;background:#4f46e5;border-radius:999px;padding:4px 10px;font-size:11px;font-weight:700;position:absolute;top:-12px;left:18px}.pricing-card--save-20 .pricing-badge{background:#16a34a}.pricing-shortlabel{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:11.5px;font-weight:700}.pricing-title{margin:0;font-size:1.05rem}.pricing-blurb{color:var(--muted);flex:1;margin:0;font-size:.92rem;line-height:1.5}.pricing-price{letter-spacing:-.02em;margin-top:6px;font-size:1.6rem;font-weight:700}.pricing-strike{color:var(--muted);margin-left:8px;font-size:.95rem;font-weight:500;text-decoration:line-through}.pricing-cta{width:100%;margin-top:4px}.pricing-bundle-row{margin-top:12px}.pricing-card--bundle{max-width:540px}.pricing-footnote{font-size:12.5px}.admin-preview-toggle{border:1px solid var(--border);background:var(--surface);cursor:pointer;color:var(--muted);border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-family:inherit;font-size:12.5px;font-weight:600;transition:background .12s,color .12s,border-color .12s;display:inline-flex}.admin-preview-toggle:hover{border-color:var(--border-strong,var(--border));color:var(--foreground)}.admin-preview-toggle.active{color:#92400e;background:#fef3c7;border-color:#f59e0b}[data-theme=dark] .admin-preview-toggle.active{color:#fde68a;background:#451a03;border-color:#f59e0b}.admin-preview-toggle-label{white-space:nowrap}.pricing-card--launch-offer{border-color:#dc2626;box-shadow:0 0 0 3px #dc26261a}.pricing-card--launch-offer .pricing-badge{background:#dc2626}.pricing-launch-note{color:#dc2626;margin:0;font-size:11.5px;font-weight:600}.pricing-canceled{color:#92400e;background:#fef3c7;border-left:3px solid #f59e0b;border-radius:8px;margin-top:12px;padding:10px 14px;font-size:13px}[data-theme=dark] .pricing-canceled{color:#fde68a;background:#451a03}.checkout-success-page{max-width:640px;margin:60px auto;padding:0 24px}.checkout-success-card{background:var(--background);border:1px solid var(--border);text-align:center;border-radius:16px;flex-direction:column;align-items:center;gap:14px;padding:40px 32px;display:flex}.checkout-success-emoji{font-size:48px;line-height:1}.checkout-success-card h1{letter-spacing:-.02em;margin:0;font-size:1.8rem}.checkout-success-sub{color:var(--muted);margin:0;font-size:1.05rem}.checkout-success-unlocked{background:var(--surface);text-align:left;border-radius:10px;width:100%;padding:16px 20px}.checkout-success-unlocked-label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px;font-size:11px;font-weight:700;display:block}.checkout-success-unlocked ul{margin:0;padding-left:20px;font-size:14px;line-height:1.7}.checkout-success-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:8px;display:flex}.checkout-confirm-spinner{color:var(--muted);font-size:13.5px}.checkout-confirm-warn{color:#92400e;background:#fef3c7;border-radius:8px;padding:10px 14px;font-size:13.5px}[data-theme=dark] .checkout-confirm-warn{color:#fde68a;background:#451a03}.hero-trust{color:var(--muted);flex-wrap:wrap;gap:22px 36px;margin-top:28px;font-size:13.5px;display:flex}.hero-trust strong{color:var(--foreground);margin-right:6px;font-weight:700}.steps-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.step-card{padding:28px 24px 24px;position:relative}.step-num{letter-spacing:.12em;color:var(--accent);margin-bottom:14px;font-size:13px;font-weight:700}.step-card h3{margin:0 0 8px;font-size:1.05rem}.subjects-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.subjects-col{padding:24px}.subjects-head{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.subjects-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.subjects-list li{background:var(--surface);border-radius:10px;align-items:center;gap:14px;padding:10px 12px;font-size:14px;display:flex}.subj-code{letter-spacing:.04em;color:var(--accent);background:var(--accent-soft,#6366f11a);text-align:center;border-radius:6px;min-width:52px;padding:4px 8px;font-size:12px;font-weight:700}.about-grid{grid-template-columns:1.1fr 1fr;align-items:center;gap:40px;display:grid}.about-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.stat-card{text-align:left;padding:22px 20px}.stat-value{color:var(--foreground);letter-spacing:-.02em;font-size:1.9rem;font-weight:800}.stat-label{color:var(--muted);margin-top:6px;font-size:13px}.faq-list{gap:10px;max-width:820px;display:grid}.faq-item{padding:0;overflow:hidden}.faq-item summary{cursor:pointer;padding:18px 48px 18px 22px;font-size:15px;font-weight:600;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--muted);font-size:22px;font-weight:400;transition:transform .2s;position:absolute;top:50%;right:22px;transform:translateY(-50%)}.faq-item[open] summary:after{transform:translateY(-50%)rotate(45deg)}.faq-item p{margin:0;padding:0 22px 20px;font-size:14px;line-height:1.6}.pricing-foot{text-align:center;margin-top:24px;font-size:13.5px}.cta-card{text-align:center;border:1px solid var(--border);background:linear-gradient(135deg,#6366f114,#a855f714);padding:56px 32px}.cta-card h2{margin:0 0 8px;font-size:1.6rem}.cta-card p{margin:0 0 22px}.site-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:80px;padding:56px 0 24px}.site-footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:32px;padding-bottom:40px;display:grid}.site-footer h4{letter-spacing:.06em;text-transform:uppercase;color:var(--foreground);margin:0 0 14px;font-size:13px;font-weight:700}.site-footer ul{gap:8px;margin:0;padding:0;list-style:none;display:grid}.site-footer ul a{color:var(--muted);font-size:14px;text-decoration:none}.site-footer ul a:hover{color:var(--foreground)}.site-footer-base{border-top:1px solid var(--border);padding-top:20px;font-size:13px}@media (max-width:900px){.steps-grid,.subjects-grid,.about-grid,.about-stats{grid-template-columns:1fr}.about-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer-grid{grid-template-columns:1fr 1fr}.nav-links a:not(.button){display:none}}@media (max-width:560px){.about-stats,.site-footer-grid{grid-template-columns:1fr}.hero-trust{gap:12px 24px}}.values-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.values-card{padding:24px}.values-card h3{margin:0 0 8px;font-size:1.05rem}.timeline{gap:18px;margin:0;padding:0;list-style:none;display:grid;position:relative}.timeline-item{grid-template-columns:130px 1fr;align-items:start;gap:24px;display:grid;position:relative}.timeline-when{letter-spacing:.06em;color:var(--accent);text-transform:uppercase;padding-top:4px;font-size:13px;font-weight:700}.timeline-body{border-left:2px solid var(--border);padding-bottom:18px;padding-left:26px;position:relative}.timeline-body:before{content:"";background:var(--accent);border:3px solid var(--background);border-radius:50%;width:14px;height:14px;position:absolute;top:6px;left:-8px}.timeline-body h3{margin:0 0 4px;font-size:1.05rem}.features-deep{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.feature-deep{padding:28px}.feature-deep h2{margin:14px 0 10px;font-size:1.35rem}.feature-bullets{gap:8px;margin:14px 0 0;padding:0;list-style:none;display:grid}.feature-bullets li{color:var(--foreground);padding-left:22px;font-size:14px;position:relative}.feature-bullets li:before{content:"✓";color:var(--accent);font-weight:700;position:absolute;top:0;left:0}.faq-group{margin-bottom:40px}.faq-group-title{border-bottom:1px solid var(--border);margin:0 0 16px;padding-bottom:10px;font-size:1.2rem}.pricing-section{padding-top:24px}.pricing-grid--two{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:18px}.pricing-bundle-highlight{margin-top:12px}.pricing-bundle-highlight .pricing-card{border:2px solid var(--accent);background:linear-gradient(135deg,#6366f114,#a855f714)}.pricing-card--best-value{background:linear-gradient(135deg,#6366f114,#a855f714);position:relative;border-color:var(--accent)!important}.pricing-card--best-value .pricing-badge{background:var(--accent);color:#fff}.included-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px;max-width:880px;display:grid}.included-item{background:var(--surface);border-radius:10px;align-items:flex-start;gap:12px;padding:12px 14px;font-size:14px;display:flex}.included-check{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:13px;font-weight:700;display:inline-flex}.trust-strip{border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);grid-template-columns:repeat(4,minmax(0,1fr));gap:0;padding:24px;display:grid}.trust-item{text-align:center;border-right:1px solid var(--border);padding:0 18px}.trust-item:last-child{border-right:none}.trust-label{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:11px;font-weight:600}.trust-value{color:var(--foreground);margin-top:6px;font-size:15px;font-weight:700}@media (max-width:900px){.values-grid,.features-deep,.included-grid,.pricing-grid--two{grid-template-columns:1fr}.trust-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.trust-item{border-right:none;padding:0}.timeline-item{grid-template-columns:1fr;gap:4px}.timeline-when{padding-left:26px}}@media (max-width:560px){.trust-strip{grid-template-columns:1fr}}.legal-doc{max-width:760px;font-size:15px;line-height:1.7}.legal-doc h2{letter-spacing:-.01em;margin:36px 0 12px;font-size:1.2rem}.legal-doc h2:first-of-type{margin-top:0}.legal-doc p{margin:0 0 14px}.legal-doc ul{gap:8px;margin:0 0 18px;padding-left:22px;display:grid}.legal-doc a{color:var(--accent);text-decoration:underline}.nav-burger{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:42px;height:42px;padding:0;display:none}.nav-burger span{background:var(--foreground);border-radius:2px;width:18px;height:2px;transition:transform .2s,opacity .2s;display:block}.nav-burger--open span:first-child{transform:translateY(6px)rotate(45deg)}.nav-burger--open span:nth-child(2){opacity:0}.nav-burger--open span:nth-child(3){transform:translateY(-6px)rotate(-45deg)}.nav-mobile{background:var(--background);z-index:80;position:fixed;inset:64px 0 0;overflow-y:auto}.nav-mobile-inner{flex-direction:column;gap:4px;max-width:480px;margin:0 auto;padding:24px;display:flex}.nav-mobile-link{border-bottom:1px solid var(--border);color:var(--foreground);padding:16px 4px;font-size:18px;font-weight:600;text-decoration:none}@media (max-width:900px){.nav-links--desktop{display:none!important}.nav-burger{display:inline-flex}}@media (min-width:901px){.nav-burger,.nav-mobile{display:none}}.li11-writing{gap:20px;margin:20px 0;display:grid}.li11-writing-card{border:1px solid var(--border);border-radius:var(--radius-card);background:var(--background);gap:14px;padding:22px 22px 20px;display:grid}.li11-writing-head{align-items:center;gap:14px;display:flex}.li11-writing-num{background:var(--accent);color:#fff;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:15px;font-weight:700;display:inline-flex}.li11-writing-topic{letter-spacing:-.01em;margin:0;font-size:1.1rem;font-weight:700}.li11-writing-topic-en{color:var(--muted);margin:2px 0 0;font-size:13px;font-style:italic}.li11-writing-instr{color:var(--foreground);margin:0;font-size:14px;line-height:1.55}.li11-writing-checklist{background:var(--surface);border-radius:10px;padding:0 14px}.li11-writing-checklist summary{cursor:pointer;color:var(--muted);padding:10px 0;font-size:13px;font-weight:600;list-style:none}.li11-writing-checklist summary::-webkit-details-marker{display:none}.li11-writing-checklist summary:before{content:"+ ";color:var(--accent);font-weight:700}.li11-writing-checklist[open] summary:before{content:"− "}.li11-writing-checklist ul{color:var(--muted);gap:4px;margin:0;padding:0 0 12px 22px;font-size:13.5px;display:grid}.li11-writing-textarea{border:1px solid var(--border);resize:vertical;background:var(--background);width:100%;min-height:140px;color:var(--foreground);border-radius:10px;padding:14px 16px;font-family:ui-sans-serif,system-ui,sans-serif;font-size:14.5px;line-height:1.6;transition:border-color .15s,box-shadow .15s}.li11-writing-textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #6366f11f}.li11-writing-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.li11-writing-count{color:var(--muted);font-size:12.5px}.li11-writing-buttons{gap:8px;display:flex}.li11-writing-buttons .button{padding:8px 14px;font-size:13px}.li11-writing-sample{border-left:3px solid var(--accent);background:linear-gradient(135deg,#6366f10d,#a855f70a);border-radius:0 10px 10px 0;padding:14px 18px}.li11-writing-sample-label{letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:8px;font-size:11px;font-weight:700}.li11-writing-sample p{color:var(--foreground);margin:0;font-size:14.5px;line-height:1.65}.li11-fill{gap:20px;margin:20px 0;display:grid}.li11-fill-card{border:1px solid var(--border);border-radius:var(--radius-card);background:var(--background);gap:14px;padding:22px 22px 20px;display:grid}.li11-fill-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:14px;display:flex}.li11-fill-title{letter-spacing:-.01em;color:var(--accent);margin:0;font-size:1.1rem;font-weight:700}.li11-fill-score{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12.5px}.li11-fill-instr{color:var(--foreground);margin:0;font-size:14px;line-height:1.55}.li11-fill-list{gap:12px;margin:0;padding:0 0 0 22px;display:grid}.li11-fill-sentence{color:var(--foreground);font-size:14.5px;line-height:2}.li11-fill-row,.li11-fill-fragment{display:inline}.li11-fill-input{border:1px solid var(--border);border-bottom:2px solid var(--accent);background:var(--surface);color:var(--foreground);vertical-align:baseline;border-radius:6px 6px 0 0;margin:0 2px;padding:4px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;transition:background .15s,border-color .15s;display:inline-block}.li11-fill-input:focus{background:var(--background);border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #6366f11f}.li11-fill-input--ok{color:#047857;background:#10b9811f;border-bottom-color:#10b981}.li11-fill-input--bad{color:#b91c1c;background:#ef44441a;border-bottom-color:#ef4444}.li11-fill-correct{color:#047857;background:#10b9811a;border-radius:4px;margin-left:6px;padding:2px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:600;display:inline-block}.li11-fill-hint{color:#92400e;background:#f59e0b1a;border-radius:6px;flex-wrap:wrap;gap:12px;margin-top:4px;padding:6px 12px;font-size:13px;display:flex}.li11-fill-toolbar{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:4px;padding-top:14px;display:flex}.li11-fill-buttons{gap:8px;display:flex}.li11-fill-buttons .button,.li11-fill-toolbar>.button{padding:8px 14px;font-size:13px}[data-theme=dark] .li11-fill-input--ok{color:#6ee7b7;background:#10b98133}[data-theme=dark] .li11-fill-input--bad{color:#fca5a5;background:#ef444433}[data-theme=dark] .li11-fill-correct{color:#6ee7b7;background:#10b9812e}[data-theme=dark] .li11-fill-hint{color:#fcd34d;background:#f59e0b2e}.group-invite-bar{border-bottom:1px solid var(--border);background:linear-gradient(135deg,#6366f10f,#a855f70f);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;display:flex}.group-invite-meta{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.group-invite-label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:600}.group-invite-code{letter-spacing:.08em;background:var(--background);border:1px solid var(--border);color:var(--foreground);border-radius:6px;padding:4px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;font-weight:700}.group-invite-actions{gap:8px;display:flex}.group-invite-actions .button{padding:7px 14px;font-size:13px}.group-section-title{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0;font-size:12px;font-weight:700}.group-session-form{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px}.group-session-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.group-session-card{border:1px solid var(--border);background:var(--background);border-radius:12px;grid-template-columns:92px 1fr;gap:16px;padding:16px;display:grid}.group-session-card.is-past{opacity:.6}.group-session-when{text-align:center;background:linear-gradient(135deg,#6366f11a,#a855f714);border-radius:10px;flex-direction:column;justify-content:center;padding:10px 6px;display:flex}.group-session-date{letter-spacing:.04em;text-transform:uppercase;color:var(--accent);font-size:12px;font-weight:700}.group-session-time{color:var(--foreground);font-variant-numeric:tabular-nums;margin-top:4px;font-size:18px;font-weight:800}.group-session-body{gap:8px;display:grid}.group-session-head{flex-wrap:wrap;align-items:baseline;gap:10px;display:flex}.group-session-subject{letter-spacing:.04em;font-size:11px}.group-session-meta{font-size:13px}.group-session-desc{color:var(--foreground);margin:4px 0 0;font-size:14px;line-height:1.5}.group-session-rsvp{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.group-session-rsvp .button{padding:6px 12px;font-size:13px}.group-session-cancel{color:#dc2626;margin-left:auto}.group-activity-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.group-activity-item{background:var(--surface);border-radius:10px;gap:12px;padding:12px 14px;font-size:14px;display:flex}.group-activity-icon{text-align:center;flex-shrink:0;width:28px;font-size:18px}.group-activity-body{flex:1}.group-activity-time{margin-top:2px;font-size:12px}@media (max-width:640px){.group-invite-bar{flex-direction:column;align-items:stretch}.group-invite-actions{justify-content:flex-end}.group-session-card{grid-template-columns:1fr}.group-session-when{flex-direction:row;justify-content:center;gap:14px;padding:8px 10px}.group-session-row{grid-template-columns:1fr}}