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rgba(184,135,46,0.20)}[data-theme=dark]{--color-primary:#D7B56D;--color-primary-fg:#0A1020;--color-secondary:#182133;--color-secondary-fg:#F8F4EA;--color-accent:#D7B56D;--color-accent-fg:#0A1020;--color-link:#8FC7FF;--color-bg:#090F1B;--color-fg:#F8F4EA;--color-surface:#111827;--color-surface-alt:#182133;--color-border:#334155;--color-muted:#94A3B8;--color-success:#6EE7A8;--color-success-bg:#0D2A1C;--color-warning:#FACC15;--color-warning-bg:#2E2305;--color-destructive:#FCA5A5;--color-destructive-bg:#3B0A0A;--color-focus:#8FC7FF;--ink:#F8F4EA;--navy:#D7B56D;--muted:#94A3B8;--paper:#090F1B;--mist:#182133;--sky:#1E2D45;--blue:#8FC7FF;--blue-dark:#8FC7FF;--gold:#D7B56D;--gold-light:#4A3510;--line:rgba(255,255,255,0.10);--glass:rgba(17,24,39,0.72);--glass-strong:rgba(17,24,39,0.88);--radius:18px;--shadow:0 28px 90px rgba(0,0,0,0.40);--gold-shadow:0 18px 52px rgba(215,181,109,0.18)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--color-fg);background:var(--color-bg);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0;transition:background-color .2s ease,color .2s ease}:root body,[data-theme=light] body{background:radial-gradient(circle at 18% 8%,rgba(240,216,154,.28),transparent 24rem),radial-gradient(circle at 82% 16%,rgba(74,128,184,.18),transparent 28rem),linear-gradient(180deg,#FBF8F2,#F3EEE5 44%,#F8F5EE)}[data-theme=dark] body{background:radial-gradient(circle at 18% 8%,rgba(215,181,109,.06),transparent 24rem),radial-gradient(circle at 82% 16%,rgba(143,199,255,.06),transparent 28rem),linear-gradient(180deg,#090F1B,#0D1527 44%,#090F1B)}body:before{z-index:-2;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:42px 42px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%);mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%)}body:after,body:before{content:"";position:fixed;inset:0;pointer-events:none}body:after{z-index:-1;opacity:.3;background:repeating-radial-gradient(circle at 20% 20%,rgba(255,255,255,.18) 0 1px,transparent 1px 4px),linear-gradient(120deg,transparent,rgba(255,255,255,.3),transparent);mix-blend-mode:soft-light}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--color-border);background:rgba(251,248,242,.82);box-shadow:0 4px 24px rgba(11,31,58,.06);-webkit-backdrop-filter:blur(22px) saturate(1.25);backdrop-filter:blur(22px) saturate(1.25)}[data-theme=dark] 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.button.premium{color:#0A1020;background:var(--color-accent);border-color:var(--color-accent)}[data-theme=dark] .button.premium:hover{background:#C9A85A;border-color:#C9A85A}.button.ghost{background:transparent;border-color:var(--color-border);color:var(--color-fg);box-shadow:none}.button.ghost:hover{background:var(--color-surface-alt);border-color:var(--color-accent)}.button.destructive{background:var(--color-destructive-bg);border-color:var(--color-destructive);color:var(--color-destructive);box-shadow:none}.link-button{background:none;border:none;padding:0;color:var(--color-link);font-weight:700;font-size:.9rem;cursor:pointer;text-decoration:underline}.link-button:hover{color:var(--color-accent)}.button.destructive:hover{background:var(--color-destructive);color:#FFFFFF}.glass-button{width:100%}.hero{position:relative;overflow:hidden;padding:48px 0 56px}.hero:before{content:"";position:absolute;inset:-10% -12% auto auto;width:min(680px,62vw);height:min(680px,62vw);border-radius:50%;background:radial-gradient(circle,rgba(240,216,154,.4),rgba(74,128,184,.18) 46%,transparent 70%);filter:blur(16px)}[data-theme=dark] .hero:before{background:radial-gradient(circle,rgba(215,181,109,.12),rgba(143,199,255,.08) 46%,transparent 70%)}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,.92fr) minmax(360px,1.08fr);grid-gap:54px;gap:54px;align-items:center}.eyebrow{display:inline-flex;width:-moz-fit-content;width:fit-content;padding:7px 12px;border-radius:999px;border:1px solid rgba(184,135,46,.3);background:var(--color-surface);color:var(--color-link);font-size:.78rem;font-weight:850;box-shadow:inset 0 1px 0 rgba(255,255,255,.8);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}[data-theme=dark] .eyebrow{background:var(--color-surface-alt);border-color:rgba(215,181,109,.3);color:var(--color-accent);box-shadow:none}h1,h2,h3,p{margin-top:0}h1,h2{color:var(--color-primary);text-wrap:balance}[data-theme=dark] h1,[data-theme=dark] h2{color:var(--color-fg)}h1{max-width:740px;margin-bottom:22px;font-size:clamp(2.2rem,4.1vw,4.55rem);line-height:1.04}h1,h2{letter-spacing:0}h2{font-size:clamp(1.7rem,2.8vw,3.05rem);line-height:1.08;margin-bottom:18px}h3{color:var(--color-primary);font-size:1.12rem;margin-bottom:10px}[data-theme=dark] h3{color:var(--color-fg)}.lead{color:var(--color-muted);font-size:clamp(1rem,1.4vw,1.18rem);line-height:1.7;max-width:64ch}.hero-actions,.section-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:28px}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;margin-top:34px}.dashboard-card,.form-card,.glass-panel,.mini-card,.panel,.price-card,.trust-item{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);box-shadow:var(--shadow)}[data-theme=dark] .dashboard-card,[data-theme=dark] .form-card,[data-theme=dark] .glass-panel,[data-theme=dark] .mini-card,[data-theme=dark] .panel,[data-theme=dark] .price-card,[data-theme=dark] .trust-item{background:var(--color-surface);border-color:var(--color-border);box-shadow:0 28px 90px rgba(0,0,0,.3)}.trust-item{padding:16px}.trust-item strong{display:block;margin-bottom:4px;color:var(--color-primary);font-size:1.24rem}[data-theme=dark] .trust-item strong{color:var(--color-fg)}.muted{color:var(--color-muted)}.hero-visual{position:relative;min-height:560px}.hero-visual img{display:block;width:100%;border-radius:32px;border:1px solid var(--color-border);box-shadow:var(--shadow)}.premium-visual{transform:perspective(1000px) rotateY(-5deg) rotateX(2deg)}.floating-plan{position:absolute;left:-18px;bottom:36px;width:min(360px,82%)}.glass-pop{padding:18px;border:1px solid var(--color-border);border-radius:20px;background:var(--color-surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(22px) saturate(1.2);backdrop-filter:blur(22px) saturate(1.2)}[data-theme=dark] .glass-pop{background:var(--color-surface-alt);border-color:var(--color-border)}.progress-line{height:8px;border-radius:999px;background:var(--color-surface-alt);overflow:hidden;margin:12px 0}[data-theme=dark] .progress-line{background:var(--color-border)}.progress-line span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--color-link),var(--color-accent))}.progress-68{width:68%}.section{padding:58px 0}.compact-section{padding-top:34px}.section.alt{background:var(--color-surface-alt);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}[data-theme=dark] 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14px;color:var(--color-destructive);font-size:.92rem;font-weight:760}.success-text{font-weight:850}.success-text,[data-theme=dark] .success-text{color:var(--color-link)}.full-button{width:100%}.settings-card .check-row{padding:12px 0;border-bottom:1px solid var(--color-border)}.settings-sections{display:grid;grid-gap:18px;gap:18px;max-width:720px}.settings-sections .check-row{padding:10px 0;border-bottom:1px solid var(--color-border)}.subject-card{position:relative;overflow:hidden}.subject-icon{display:inline-grid;place-items:center;min-width:48px;height:48px;padding:0 10px;margin-bottom:14px;border-radius:18px;color:var(--color-primary);background:linear-gradient(135deg,rgba(240,216,154,.5),rgba(232,239,248,.7));font-weight:900;box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 14px 34px rgba(11,31,58,.08)}[data-theme=dark] .subject-icon{color:var(--color-accent);background:linear-gradient(135deg,rgba(215,181,109,.18),rgba(143,199,255,.12));box-shadow:none}.resource-card{display:flex;flex-direction:column;gap:8px}.resource-card .button{margin-top:auto}.modal-backdrop{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:20px;background:rgba(11,31,58,.4);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}[data-theme=dark] .modal-backdrop{background:rgba(0,0,0,.6)}.resource-modal{position:relative;width:min(460px,100%);padding:28px;border-radius:28px;border:1px solid var(--color-border);background:var(--color-surface);box-shadow:0 34px 110px rgba(11,31,58,.22)}[data-theme=dark] .resource-modal{box-shadow:0 34px 110px rgba(0,0,0,.5)}.modal-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border:0;border-radius:999px;background:var(--color-surface-alt);color:var(--color-fg);font-size:1.3rem}.dashboard-card,.mini-card,.panel,.price-card{padding:24px}.mini-card{transition:transform .22s ease,box-shadow .22s ease}.mini-card:hover{transform:translateY(-4px);box-shadow:0 30px 80px rgba(11,31,58,.16)}[data-theme=dark] .mini-card:hover{box-shadow:0 30px 80px rgba(0,0,0,.4)}.mini-card.accent{background:linear-gradient(145deg,rgba(240,216,154,.3),rgba(232,239,248,.6));border-color:rgba(184,135,46,.3)}[data-theme=dark] .mini-card.accent{background:linear-gradient(145deg,rgba(215,181,109,.12),rgba(143,199,255,.08));border-color:rgba(215,181,109,.25)}.panel{min-height:100%}.metric{color:var(--color-primary);font-size:2.15rem;font-weight:900;line-height:1;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}[data-theme=dark] .metric{color:var(--color-fg)}.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);grid-gap:28px;gap:28px;align-items:flex-start}.steps{display:grid;grid-gap:12px;gap:12px}.step{display:grid;grid-template-columns:44px 1fr;grid-gap:14px;gap:14px;align-items:flex-start;padding:18px;border-top:1px solid var(--color-border)}.step:first-child{border-top:0}.step-number{display:grid;place-items:center;width:36px;height:36px;border-radius:14px;background:linear-gradient(135deg,var(--color-link),var(--color-accent));color:#fff;font-weight:900}.cinematic-section{position:relative;padding:36px 0 90px;overflow:clip}.cinematic-section:before{content:"";position:absolute;inset:4% auto auto 50%;width:70vw;height:70vw;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle,rgba(74,128,184,.1),transparent 68%);pointer-events:none}[data-theme=dark] .cinematic-section:before{background:radial-gradient(circle,rgba(143,199,255,.06),transparent 68%)}.cinematic-shell{position:relative;display:grid;grid-template-columns:220px minmax(0,1fr);grid-gap:34px;gap:34px;align-items:flex-start}.chapter-rail{position:-webkit-sticky;position:sticky;top:102px;display:flex;flex-direction:column;gap:12px;padding:10px;border-radius:999px;background:transparent}.rail-label{padding:8px 10px 4px;color:var(--color-muted);font-size:.76rem;font-weight:850}.bubble-step{display:flex;flex-direction:column;gap:8px}.glass-tab{display:grid;grid-template-columns:34px 1fr;align-items:center;grid-gap:10px;gap:10px;min-height:54px;padding:9px 12px;border-radius:999px;color:var(--color-muted);border:1px solid var(--color-border);background:var(--color-surface);box-shadow:0 4px 16px rgba(11,31,58,.06),inset 0 1px 0 rgba(255,255,255,.7);font-weight:780;-webkit-backdrop-filter:blur(22px) saturate(1.2);backdrop-filter:blur(22px) saturate(1.2);transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease}[data-theme=dark] .glass-tab{background:var(--color-surface);border-color:var(--color-border);box-shadow:0 4px 16px rgba(0,0,0,.2)}.glass-tab span{display:grid;place-items:center;width:32px;height:32px;border-radius:12px;background:var(--color-surface-alt);color:var(--color-link);font-size:.78rem}[data-theme=dark] .glass-tab span{background:var(--color-surface-alt);color:var(--color-accent)}.glass-tab.active,.glass-tab:hover{color:var(--color-primary);background:var(--color-surface-alt);border-color:rgba(184,135,46,.4);transform:translateX(3px)}[data-theme=dark] .glass-tab.active,[data-theme=dark] .glass-tab:hover{color:var(--color-fg);background:var(--color-surface-alt);border-color:rgba(215,181,109,.4)}.glass-tab.active span{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:var(--color-primary)}[data-theme=dark] .glass-tab.active span{background:linear-gradient(135deg,rgba(215,181,109,.3),rgba(215,181,109,.6));color:var(--color-accent-fg)}.progress-arrow{align-self:center;color:var(--color-accent);font-size:1.55rem;line-height:1;text-shadow:0 0 20px rgba(184,135,46,.5);animation:arrow-pulse 1.5s ease-in-out infinite}.world-stack{display:grid;grid-gap:26px;gap:26px;perspective:1600px}.world-chapter{min-height:78vh;display:grid;grid-template-columns:minmax(0,.78fr) minmax(360px,1.22fr);grid-gap:30px;gap:30px;align-items:center;padding:26px;border-radius:34px;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:0 32px 110px rgba(11,31,58,.08);transform-style:preserve-3d}[data-theme=dark] .world-chapter{background:var(--color-surface);border-color:var(--color-border);box-shadow:0 32px 110px rgba(0,0,0,.3)}.chapter-copy{transform:translateZ(44px)}.world-frame{position:relative;transform-style:preserve-3d;transform:rotateY(-8deg) rotateX(4deg)}.world-chapter:nth-child(2n) .world-frame{transform:rotateY(7deg) rotateX(3deg)}.world-frame img{display:block;width:100%;border-radius:30px;border:1px solid var(--color-border);box-shadow:var(--shadow)}.stat-pop{position:absolute;right:-14px;bottom:28px;width:min(270px,54%);transform:translateZ(82px)}.stat-pop strong{display:block;color:var(--color-primary);font-size:1.12rem;margin-bottom:5px}[data-theme=dark] .stat-pop strong{color:var(--color-fg)}.mini-pop,.stat-pop span{color:var(--color-muted);font-size:.9rem}.mini-pop{position:absolute;left:24px;top:24px;display:inline-flex;align-items:center;gap:8px;width:-moz-fit-content;width:fit-content;transform:translateZ(70px)}.gold-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--color-accent);box-shadow:0 0 22px rgba(184,135,46,.6)}.scroll-cta{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-top:24px;padding:28px;border-radius:28px;background:linear-gradient(135deg,var(--color-primary),#162E55 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.placement-subject-card:hover{border-color:var(--color-accent);background:var(--color-surface-alt)}.placement-progress-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.placement-progress-bar{margin-bottom:22px}.placement-question-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:22px;margin-bottom:16px;box-shadow:var(--shadow)}[data-theme=dark] .placement-question-card{background:var(--color-surface-alt)}.placement-question-prompt{font-size:1.05rem;font-weight:600;line-height:1.6;margin:0 0 16px}.placement-choices{list-style:none;margin:0;padding:0;display:grid;grid-gap:8px;gap:8px}.placement-choice{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:12px 16px;border-radius:12px;border:1.5px solid var(--color-border);background:var(--color-bg);color:var(--color-fg);font-size:.95rem;cursor:pointer;transition:border-color .14s ease,background .14s ease}.placement-choice:hover:not(:disabled){border-color:var(--color-link);background:var(--color-surface)}.placement-choice--selected{border-color:var(--color-link);background:rgba(27,94,168,.07)}[data-theme=dark] .placement-choice--selected{background:rgba(143,199,255,.1);border-color:var(--color-link)}.placement-choice--correct{border-color:var(--color-success);background:var(--color-success-bg)}.placement-choice--wrong{border-color:var(--color-destructive);background:var(--color-destructive-bg)}.placement-choice:disabled{cursor:default;opacity:.85}.placement-choice-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--color-surface-alt);border:1px solid var(--color-border);font-weight:800;font-size:.82rem;flex-shrink:0}.placement-result-header{margin-bottom:22px}.placement-recommendation{margin-top:0}.plan-builder-flow{display:flex;flex-direction:column;gap:0}.plan-builder-badge{align-self:flex-start}.plan-builder-step{margin-bottom:4px}.plan-builder-fieldset{border:none;padding:0;margin:0 0 8px;display:grid;grid-gap:10px;gap:10px}.plan-builder-legend{font-weight:800;font-size:1.05rem;color:var(--color-primary);margin-bottom:12px;line-height:1.4}.plan-builder-option,[data-theme=dark] .plan-builder-legend{color:var(--color-fg)}.plan-builder-option{display:flex;align-items:center;gap:10px;padding:13px 16px;border-radius:12px;border:1.5px solid var(--color-border);background:var(--color-surface);font-size:.95rem;cursor:pointer;transition:border-color .14s ease,background .14s ease}.plan-builder-option:has(input:checked){border-color:var(--color-link);background:rgba(27,94,168,.06)}[data-theme=dark] .plan-builder-option:has(input:checked){background:rgba(143,199,255,.08);border-color:var(--color-link)}.plan-builder-option:hover{border-color:var(--color-link);background:var(--color-surface-alt)}[data-theme=dark] .plan-builder-option{background:var(--color-surface);border-color:var(--color-border)}.plan-builder-option input[type=checkbox],.plan-builder-option input[type=radio]{accent-color:var(--color-link);width:16px;height:16px;flex-shrink:0;cursor:pointer}.custom-package-card{border:1px solid var(--color-border);border-left:3px solid var(--color-accent);border-radius:var(--radius);background:var(--color-surface);box-shadow:var(--shadow);padding:24px}[data-theme=dark] .custom-package-card{background:var(--color-surface);border-color:var(--color-border);border-left-color:var(--color-accent);box-shadow:0 28px 90px rgba(0,0,0,.3)}.custom-package-header{margin-bottom:16px}.custom-package-name{font-size:1.5rem;margin:8px 0 0;color:var(--color-primary)}[data-theme=dark] .custom-package-name{color:var(--color-fg)}.custom-package-billing{margin:16px 0 14px}.custom-package-price{display:flex;align-items:baseline;gap:4px}.custom-package-rationale{font-size:.94rem;line-height:1.7;margin-top:16px;padding-top:16px;border-top:1px solid var(--color-border)}.custom-package-guarantee{margin-top:14px;padding:12px 16px;border-radius:12px;background:var(--color-success-bg);border:1px solid rgba(20,108,67,.2);color:var(--color-success);font-size:.88rem;line-height:1.6}[data-theme=dark] .custom-package-guarantee{border-color:rgba(110,231,168,.2)}.demo-lesson-card{padding:22px}.demo-lesson-meta{display:flex;align-items:center;gap:12px}.demo-lesson-card--teaser{opacity:.92}.demo-key-ideas{margin:14px 0 0;padding:0 0 0 18px;display:grid;grid-gap:6px;gap:6px;line-height:1.6;color:var(--color-fg)}.demo-practice-item{background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:12px;padding:16px}[data-theme=dark] .demo-practice-item{background:var(--color-surface)}.demo-locked-topic{padding:18px;opacity:.8}.demo-quiz{display:flex;flex-direction:column;gap:0}.demo-quiz-header{margin-bottom:22px}.demo-quiz-question{margin-bottom:28px}.demo-quiz-prompt{font-size:1rem;line-height:1.6;margin:0 0 12px}.demo-quiz-feedback{margin-top:10px;padding:10px 14px;border-radius:10px;font-size:.9rem;line-height:1.55}.demo-quiz-feedback.correct{background:var(--color-success-bg);color:var(--color-success);border:1px solid rgba(20,108,67,.25)}[data-theme=dark] .demo-quiz-feedback.correct{border-color:rgba(110,231,168,.25)}.demo-quiz-feedback.wrong{background:var(--color-destructive-bg);color:var(--color-destructive);border:1px solid rgba(180,35,24,.25)}[data-theme=dark] .demo-quiz-feedback.wrong{border-color:rgba(252,165,165,.25)}.demo-quiz-score{margin-top:4px;padding-top:18px;border-top:1px solid var(--color-border)}.assessment-booking-embed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--color-border)}.assessment-booking-placeholder{padding:28px}.assessment-booking-placeholder-inner{display:flex;align-items:flex-start;gap:18px}@media (max-width:860px){.placement-subject-grid{grid-template-columns:1fr}.assessment-booking-placeholder-inner{flex-direction:column;gap:12px}}@media (max-width:640px){.demo-lesson-card,.placement-question-card{padding:16px}}.auth-page--demo{align-items:flex-start;padding-top:32px;padding-bottom:32px}.auth-shell--demo{grid-template-columns:minmax(0,1fr) minmax(340px,480px);align-items:flex-start;gap:28px}.login-form-stack{display:flex;flex-direction:column;gap:16px}.demo-panel{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);box-shadow:var(--shadow);padding:20px}[data-theme=dark] .demo-panel{background:var(--color-surface);border-color:var(--color-border)}.demo-panel-header{margin-bottom:14px}.demo-panel-hint{margin:6px 0 0;font-size:.86rem}.demo-login-grid{display:grid;grid-gap:8px;gap:8px}.demo-login-btn{display:flex;flex-direction:column;gap:2px;width:100%;text-align:left;padding:12px 14px;border-radius:12px;border:1px solid var(--color-border);background:var(--color-surface-alt);color:var(--color-fg);cursor:pointer;transition:border-color .18s ease,background .18s ease,transform .18s ease}.demo-login-btn:hover:not(:disabled){border-color:var(--color-accent);background:var(--color-surface);transform:translateX(2px)}[data-theme=dark] .demo-login-btn{background:var(--color-surface-alt);border-color:var(--color-border)}[data-theme=dark] .demo-login-btn:hover:not(:disabled){border-color:var(--color-accent);background:var(--color-surface)}.demo-login-btn:disabled{opacity:.6;cursor:default}.demo-login-btn--loading{opacity:.7;border-color:var(--color-accent)}.demo-login-role{font-weight:800;font-size:.88rem;color:var(--color-primary)}[data-theme=dark] .demo-login-role{color:var(--color-fg)}.demo-login-desc{font-size:.8rem;color:var(--color-muted);line-height:1.4}.login-tab-row{display:flex;gap:4px;padding:4px;border-radius:12px;background:var(--color-surface-alt);border:1px solid var(--color-border);margin-bottom:18px}.login-tab{flex:1 1;min-height:36px;padding:0 12px;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--color-muted);font-size:.88rem;font-weight:760;cursor:pointer;transition:background .16s ease,color .16s ease,border-color .16s ease}.login-tab--active{background:var(--color-surface);border-color:var(--color-border);color:var(--color-primary);box-shadow:0 1px 4px rgba(11,31,58,.08)}[data-theme=dark] .login-tab--active{color:var(--color-fg);box-shadow:none}.login-tab:hover:not(.login-tab--active){color:var(--color-fg);background:rgba(255,255,255,.4)}[data-theme=dark] .login-tab:hover:not(.login-tab--active){background:rgba(255,255,255,.06)}.parent-onboarding{display:flex;flex-direction:column;gap:28px}.parent-onboarding-hero{padding:32px;border-radius:var(--radius);border:1px solid var(--color-border);box-shadow:var(--shadow)}.parent-onboarding-hero,[data-theme=dark] .parent-onboarding-hero{background:linear-gradient(145deg,var(--color-surface),var(--color-surface-alt))}.parent-onboarding-headline{font-size:1.5rem;font-weight:900;color:var(--color-primary);margin-bottom:8px;line-height:1.2}[data-theme=dark] .parent-onboarding-headline{color:var(--color-fg)}.parent-onboarding-lead{color:var(--color-muted);font-size:.96rem;line-height:1.65;margin-bottom:22px;max-width:52ch}.parent-onboarding-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.parent-onboarding-benefits{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px}@media (max-width:600px){.parent-onboarding-benefits{grid-template-columns:1fr}}.parent-onboarding-benefit{display:flex;flex-direction:column;gap:4px;padding:18px;border-radius:16px;border:1px solid var(--color-border);box-shadow:0 4px 14px rgba(11,31,58,.05)}.parent-onboarding-benefit,[data-theme=dark] .parent-onboarding-benefit{background:var(--color-surface)}.parent-onboarding-benefit-title{font-weight:800;font-size:.94rem;color:var(--color-primary)}[data-theme=dark] .parent-onboarding-benefit-title{color:var(--color-fg)}.parent-onboarding-benefit-desc{font-size:.86rem;color:var(--color-muted);line-height:1.5;margin:0}.parent-child-summary{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,360px));grid-gap:16px;gap:16px;margin-bottom:24px}.parent-child-card{display:flex;flex-direction:column}.alert-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--color-warning);flex-shrink:0}.parent-attention-row{display:block;padding:10px 12px;border-radius:12px;background:var(--color-warning-bg);color:var(--color-warning);font-weight:700;font-size:.9rem}.parent-quick-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}.parent-child-row{display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:16px;border:1px solid var(--color-border);box-shadow:0 4px 14px rgba(11,31,58,.05);flex-wrap:wrap}.parent-child-row,[data-theme=dark] .parent-child-row{background:var(--color-surface)}.parent-child-row-name{font-weight:900;font-size:1rem;color:var(--color-primary);min-width:100px}[data-theme=dark] .parent-child-row-name{color:var(--color-fg)}.parent-child-row-meta{display:flex;align-items:center;gap:10px;flex:1 1;flex-wrap:wrap}.parent-child-row-next{display:flex;flex-direction:column;gap:2px;flex:1 1;min-width:160px}.parent-child-row-next-label{font-size:.76rem;font-weight:700;color:var(--color-muted);text-transform:uppercase;letter-spacing:.05em}.parent-child-row-next-value{font-size:.88rem;font-weight:760;color:var(--color-fg)}.parent-child-row-alert{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;background:var(--color-warning-bg);border:1px solid rgba(138,90,0,.22);color:var(--color-warning);font-size:.78rem;font-weight:800}[data-theme=dark] .parent-child-row-alert{border-color:rgba(250,204,21,.22)}.parent-child-row-cta{margin-left:auto}.parent-section-divider{position:relative;margin:24px 0 16px;padding-bottom:8px;font-size:.82rem;font-weight:850;text-transform:uppercase;letter-spacing:.06em;color:var(--color-muted)}.parent-section-divider:after{content:"";position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0,var(--color-border) 15%,var(--color-border) 85%,transparent 100%)}.parent-collapse-toggle{display:flex;align-items:center;gap:8px;width:100%;background:none;border:none;padding:10px 0;color:var(--color-muted);font-size:.82rem;font-weight:760;cursor:pointer;text-align:left;border-top:1px solid var(--color-border);margin-top:8px;transition:color .16s ease}.parent-collapse-toggle:hover{color:var(--color-fg)}.parent-collapse-icon{display:inline-flex;width:18px;height:18px;align-items:center;justify-content:center;border-radius:50%;background:var(--color-surface-alt);font-size:.7rem;flex-shrink:0}.child-profile-overview{display:flex;align-items:center;gap:20px;padding:22px 24px;border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-surface);box-shadow:var(--shadow);margin-bottom:24px;flex-wrap:wrap}.child-profile-name-block{flex:1 1;min-width:160px}.child-profile-name{font-size:1.4rem;font-weight:900;color:var(--color-primary);margin-bottom:2px}[data-theme=dark] .child-profile-name{color:var(--color-fg)}.child-profile-sub{font-size:.9rem;color:var(--color-muted)}.child-profile-stats{display:flex;gap:20px;flex-wrap:wrap}.child-profile-stat{display:flex;flex-direction:column;gap:2px;align-items:center;text-align:center;min-width:64px}.child-profile-stat-value{font-size:1.5rem;font-weight:900;color:var(--color-primary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;line-height:1}[data-theme=dark] .child-profile-stat-value{color:var(--color-fg)}.child-profile-stat-label{font-size:.72rem;font-weight:700;color:var(--color-muted);text-transform:uppercase;letter-spacing:.05em}.account-in-shell{max-width:680px}.parent-card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;flex-wrap:wrap}.parent-children-grid{grid-template-columns:repeat(2,1fr)}@media (max-width:780px){.parent-children-grid{grid-template-columns:1fr}}.parent-session-pill{display:flex;flex-direction:column;gap:2px;padding:8px 12px;border-radius:10px;background:var(--color-surface-alt);border:1px solid var(--color-border);margin-top:10px}.parent-billing-mini h3{margin-bottom:0}.parent-week-row{padding:14px;border-radius:14px;background:var(--color-surface-alt);border:1px solid var(--color-border)}[data-theme=dark] .parent-week-row{background:var(--color-surface-alt);border-color:var(--color-border)}.parent-week-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}.parent-lesson-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;font-size:.8rem;font-weight:700;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-muted);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.parent-lesson-chip.completed{background:var(--color-success-bg);border-color:rgba(20,108,67,.25);color:var(--color-success)}.parent-lesson-chip.available{background:rgba(27,94,168,.07);border-color:rgba(27,94,168,.25);color:var(--color-link)}.parent-lesson-chip.locked{opacity:.55}[data-theme=dark] .parent-lesson-chip.completed{border-color:rgba(110,231,168,.25)}[data-theme=dark] .parent-lesson-chip.available{background:rgba(143,199,255,.08);border-color:rgba(143,199,255,.25);color:var(--color-link)}.parent-booking-placeholder{padding:28px 24px;border-radius:14px;background:var(--color-surface-alt);border:1px dashed var(--color-border);margin-top:12px}.parent-messages-layout{display:grid;grid-template-columns:260px 1fr;grid-gap:18px;gap:18px;align-items:flex-start}@media (max-width:780px){.parent-messages-layout{grid-template-columns:1fr}}.parent-thread-list{border:1px solid var(--color-border);border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:4px;box-shadow:var(--shadow)}.parent-thread-list,[data-theme=dark] .parent-thread-list{background:var(--color-surface)}.parent-thread-item{width:100%;display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:12px;border:1px solid transparent;background:transparent;text-align:left;cursor:pointer;color:var(--color-fg);transition:background .18s ease,border-color .18s ease}.parent-thread-item:hover{background:var(--color-surface-alt);border-color:var(--color-border)}.parent-thread-item.active{background:linear-gradient(135deg,rgba(240,216,154,.25),rgba(232,239,248,.55));border-color:rgba(184,135,46,.3);color:var(--color-primary)}[data-theme=dark] .parent-thread-item.active{background:linear-gradient(135deg,rgba(215,181,109,.1),rgba(143,199,255,.06));border-color:rgba(215,181,109,.25);color:var(--color-fg)}.parent-thread-subject{font-weight:760;font-size:.92rem;display:block}.parent-thread-pane{border:1px solid var(--color-border);border-radius:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:520px;overflow:hidden}.parent-thread-pane,[data-theme=dark] .parent-thread-pane{background:var(--color-surface)}.parent-thread-header{padding:16px 20px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;gap:12px}.parent-thread-header,[data-theme=dark] .parent-thread-header{background:var(--color-surface-alt)}.parent-message-list{flex:1 1;display:flex;flex-direction:column;gap:10px;padding:18px 20px;overflow-y:auto}.parent-message-bubble{max-width:78%;padding:12px 16px;border-radius:16px;background:var(--color-surface-alt);border:1px solid var(--color-border);align-self:flex-start}.parent-message-bubble.me{align-self:flex-end;background:linear-gradient(135deg,rgba(27,94,168,.1),rgba(74,128,184,.12));border-color:rgba(27,94,168,.22)}[data-theme=dark] .parent-message-bubble{background:var(--color-surface-alt)}[data-theme=dark] .parent-message-bubble.me{background:linear-gradient(135deg,rgba(143,199,255,.08),rgba(143,199,255,.12));border-color:rgba(143,199,255,.2)}.parent-composer{border-top:1px solid var(--color-border);padding:14px 18px}.parent-composer,[data-theme=dark] .parent-composer{background:var(--color-surface-alt)}.parent-composer-input{width:100%;border:1px solid var(--color-border);border-radius:12px;padding:10px 14px;background:var(--color-surface);color:var(--color-fg);font-family:inherit;font-size:.94rem;resize:none;line-height:1.5;box-shadow:inset 0 1px 0 rgba(255,255,255,.6)}[data-theme=dark] .parent-composer-input{background:var(--color-surface);box-shadow:none}.parent-composer-input:focus{outline:3px solid var(--color-focus);outline-offset:2px}.parent-composer-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;flex-wrap:wrap}.mailbox-tabs{display:flex;gap:4px;border-bottom:2px solid var(--color-border);padding-bottom:0}.mailbox-tab{position:relative;display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;background:transparent;color:var(--color-muted);font-size:.94rem;font-weight:600;cursor:pointer;transition:color .18s ease,border-color .18s ease;white-space:nowrap}.mailbox-tab:hover{color:var(--color-fg)}.mailbox-tab.active,[data-theme=dark] .mailbox-tab.active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.mailbox-tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;font-size:.72rem;font-weight:760;line-height:1}.mailbox-tab-badge,[data-theme=dark] .mailbox-tab-badge{background:var(--color-accent);color:var(--color-primary-fg)}.mailbox-notif-list{display:flex;flex-direction:column;gap:4px}.mailbox-notif-row{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:14px 16px;border-radius:14px;border:1px solid var(--color-border);background:var(--color-surface);text-align:left;cursor:pointer;transition:background .16s ease,border-color .16s ease}.mailbox-notif-row:hover{background:var(--color-surface-alt)}.mailbox-notif-row.unread{background:var(--color-warning-bg);border-color:rgba(184,135,46,.28)}[data-theme=dark] .mailbox-notif-row.unread{background:var(--color-warning-bg);border-color:rgba(215,181,109,.22)}.mailbox-notif-content{flex:1 1;min-width:0}.mailbox-notif-title-row{display:flex;align-items:center;gap:8px;margin-bottom:4px}.mailbox-notif-dot{flex-shrink:0;width:8px;height:8px;border-radius:50%;background:var(--color-accent)}.mailbox-notif-title{font-weight:760;font-size:.92rem;color:var(--color-fg);line-height:1.3}.mailbox-notif-row:not(.unread) .mailbox-notif-title{font-weight:500;color:var(--color-muted)}.mailbox-notif-body{margin:0;font-size:.86rem;line-height:1.5;overflow:hidden;text-overflow:ellipsis}.mailbox-notif-body,.mailbox-notif-meta{color:var(--color-muted);white-space:nowrap}.mailbox-notif-meta{flex-shrink:0;font-size:.78rem;padding-top:2px}.mailbox-compose{display:flex;flex-direction:column;gap:16px;padding:20px;border:1px solid var(--color-border);border-radius:var(--radius)}.mailbox-compose,[data-theme=dark] .mailbox-compose{background:var(--color-surface)}.mailbox-compose-field{display:flex;flex-direction:column;gap:6px}.mailbox-compose-label{font-size:.86rem;font-weight:600;color:var(--color-muted);letter-spacing:.02em}.mailbox-compose-input{width:100%;border:1px solid var(--color-border);border-radius:12px;padding:10px 14px;background:var(--color-surface-alt);color:var(--color-fg);font:inherit;font-size:.94rem;line-height:1.5;box-shadow:inset 0 1px 0 rgba(255,255,255,.6);transition:border-color .16s ease}[data-theme=dark] .mailbox-compose-input{background:var(--color-surface-alt);box-shadow:none}.mailbox-compose-input:focus{outline:3px solid var(--color-focus);outline-offset:2px;border-color:var(--color-accent)}.mailbox-compose-textarea{resize:vertical;min-height:100px}.mailbox-compose-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding-top:4px}.student-greeting-row{position:relative;display:flex;align-items:center;gap:16px;margin-bottom:24px}.student-journey-art{margin-left:auto;width:220px;height:auto;border-radius:18px}@media (max-width:900px){.student-journey-art{display:none}}.student-empty-art{display:grid;justify-items:center;grid-gap:12px;gap:12px}.student-empty-art img{width:min(260px,80%);height:auto;border-radius:18px}.student-avatar{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,rgba(240,216,154,.4),rgba(232,239,248,.7));border:2px solid var(--color-accent);font-size:1.6rem;flex-shrink:0}[data-theme=dark] .student-avatar{background:linear-gradient(135deg,rgba(215,181,109,.18),rgba(143,199,255,.12));border-color:var(--color-accent)}.student-avatar-lg{width:64px;height:64px;font-size:1.9rem}.student-cheer-strip{display:flex;align-items:center;gap:10px;padding:16px 20px;margin-bottom:20px;font-weight:800;font-size:1rem}.student-cheer-strip strong{color:var(--color-accent)}.student-cheer-divider{color:var(--color-border)}.student-tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:14px;gap:14px}.student-tile{display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;gap:10px;min-height:140px;padding:16px;border-radius:18px;border:1px solid var(--color-border);text-decoration:none;color:var(--color-fg);transition:transform .18s ease,box-shadow .18s ease}.student-tile:not(.student-tile-locked):hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(11,31,58,.12)}.student-tile-locked{opacity:.55;cursor:default}.student-tile-emoji{font-size:2rem;line-height:1}.student-tile-title{font-weight:800;font-size:1rem;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.student-tile-pill{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--color-accent);color:var(--color-primary);font-size:.78rem;font-weight:800}.student-tile-pill-locked{background:var(--color-surface-alt);color:var(--color-muted)}.student-lesson-list{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);overflow:hidden}[data-theme=dark] .student-lesson-list{background:var(--color-surface);border-color:var(--color-border)}.student-lesson-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--color-border)}.student-lesson-row:last-child{border-bottom:none}.student-lesson-info{display:flex;align-items:center;gap:10px;flex:1 1;min-width:0}.student-lesson-kind{display:inline-flex;align-items:center;padding:3px 8px;border-radius:999px;background:var(--color-surface-alt);border:1px solid var(--color-border);color:var(--color-muted);font-size:.76rem;font-weight:760;white-space:nowrap;flex-shrink:0}.student-lesson-title{font-weight:700;font-size:.94rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-lessons-shell{display:grid;grid-template-columns:340px 1fr;grid-gap:24px;gap:24px;align-items:flex-start}.student-lessons-list{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);padding:18px;position:-webkit-sticky;position:sticky;top:96px}[data-theme=dark] .student-lessons-list{background:var(--color-surface);border-color:var(--color-border)}.student-week-block{margin-bottom:18px}.student-week-block:last-child{margin-bottom:0}.student-week-header{display:flex;align-items:center;gap:10px;margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--color-border)}.student-week-lessons{display:grid;grid-gap:4px;gap:4px}.student-lesson-btn{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:12px;border:1px solid transparent;background:transparent;color:var(--color-fg);font-size:.9rem;text-align:left;cursor:pointer;transition:background .18s ease,border-color .18s ease}[id^=lesson-]{scroll-margin-top:90px}.student-lesson-btn:hover:not(.locked):not(:disabled){background:var(--color-surface-alt);border-color:var(--color-border)}.student-lesson-btn.active{background:linear-gradient(135deg,rgba(240,216,154,.25),rgba(232,239,248,.5));border-color:rgba(184,135,46,.4)}[data-theme=dark] .student-lesson-btn.active{background:linear-gradient(135deg,rgba(215,181,109,.12),rgba(143,199,255,.08));border-color:rgba(215,181,109,.35)}.student-lesson-btn.locked,.student-lesson-btn:disabled{opacity:.5;cursor:not-allowed}.student-lesson-btn-icon{font-size:1rem;flex-shrink:0}.student-lesson-btn-title{flex:1 1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:700}.student-week-locked{padding:12px;border-radius:12px;background:var(--color-surface-alt);border:1px solid var(--color-border)}.student-lesson-panel{border:1px solid var(--color-border);border-radius:var(--radius);padding:28px;min-height:400px}.student-lesson-panel,[data-theme=dark] .student-lesson-panel{background:var(--color-surface)}.student-lesson-content{max-width:640px}.lesson-course-block{margin-bottom:32px}.lesson-course-block:last-child{margin-bottom:0}.lesson-course-header{margin-bottom:14px;padding-bottom:14px;border-bottom:2px solid var(--color-accent)}.lesson-course-header-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}.lesson-course-title{margin:0;font-size:1.05rem;font-weight:800;color:var(--color-primary);letter-spacing:-.01em}[data-theme=dark] .lesson-course-title{color:var(--color-accent)}.lesson-progress-wrap{display:flex;align-items:center;gap:10px}.lesson-progress-bar-track{flex:1 1;height:6px;border-radius:999px;background:var(--color-surface-alt);border:1px solid var(--color-border);overflow:hidden}.lesson-progress-bar-fill{height:100%;border-radius:999px;background:var(--color-accent);transition:width .4s ease}.lesson-progress-label{font-size:.78rem}.lesson-progress-label,.student-lesson-btn-kind{font-weight:700;color:var(--color-muted);white-space:nowrap;flex-shrink:0}.student-lesson-btn-kind{font-size:.72rem;background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:999px;padding:2px 7px}.knowledge-check{border:1px solid var(--color-accent);border-radius:var(--radius);background:var(--color-surface-alt);padding:20px 24px}[data-theme=dark] .knowledge-check{background:var(--color-surface-alt);border-color:var(--color-accent)}.knowledge-check-title{font-size:.95rem;font-weight:800;color:var(--color-primary);margin:0 0 4px;letter-spacing:-.01em}[data-theme=dark] .knowledge-check-title{color:var(--color-accent)}.knowledge-check-prompt{font-size:.9rem;color:var(--color-muted);margin:0 0 16px}.knowledge-check-choices{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.knowledge-check-choice-btn{padding:9px 18px;border-radius:999px;border:1.5px solid var(--color-accent);background:var(--color-surface);color:var(--color-fg);font-size:.88rem;font-weight:700;cursor:pointer;transition:background .15s ease,color .15s ease}.knowledge-check-choice-btn:hover{background:var(--color-accent);color:var(--color-accent-fg)}[data-theme=dark] .knowledge-check-choice-btn{background:var(--color-surface);border-color:var(--color-accent);color:var(--color-fg)}[data-theme=dark] .knowledge-check-choice-btn:hover{background:var(--color-accent);color:var(--color-accent-fg)}.knowledge-check-response{margin-bottom:12px}.knowledge-check-message{font-size:.92rem;font-weight:600;color:var(--color-success);margin:0 0 12px;line-height:1.55}.knowledge-check-done-btn{padding:7px 16px;border-radius:999px;border:1.5px solid var(--color-border);background:var(--color-surface);color:var(--color-muted);font-size:.84rem;font-weight:700;cursor:pointer;transition:border-color .15s ease,color .15s ease}.knowledge-check-done-btn:hover{border-color:var(--color-accent);color:var(--color-fg)}.knowledge-check-note{font-size:.78rem;color:var(--color-muted);margin:0;font-style:italic}.student-video-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:240px;border-radius:16px;border:2px dashed var(--color-border);color:var(--color-muted)}.student-reading-content,.student-video-placeholder{background:var(--color-surface-alt);margin-bottom:20px}.student-reading-content{padding:20px;border-radius:14px;border:1px solid var(--color-border);line-height:1.72}[data-theme=dark] .student-reading-content{background:var(--color-surface-alt)}.student-quiz-wrapper{max-width:700px}.student-quiz-header{margin-bottom:24px}.student-quiz-question{margin-bottom:28px;padding:20px;border:1px solid var(--color-border);border-radius:16px}.student-quiz-question,[data-theme=dark] .student-quiz-question{background:var(--color-surface)}.student-quiz-prompt{font-weight:700;font-size:1rem;margin:0 0 14px;line-height:1.5}.student-quiz-q-num{color:var(--color-accent);margin-right:4px}.student-quiz-options{display:grid;grid-gap:8px;gap:8px}.student-quiz-option{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:12px;border:1px solid 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100%);pointer-events:none}.forum-tab{position:relative;display:inline-flex;align-items:center;gap:8px;padding:12px 18px;background:transparent;color:var(--color-muted);font-weight:780;font-size:.95rem;cursor:pointer;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .16s ease,border-color .16s ease}.forum-tab:hover{color:var(--color-primary)}[data-theme=dark] .forum-tab:hover{color:var(--color-fg)}.forum-tab.forum-tab-active{color:var(--color-primary);border-bottom-color:var(--color-accent);font-weight:860}[data-theme=dark] .forum-tab.forum-tab-active{color:var(--color-fg)}.forum-tab-count{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--color-surface-alt);color:var(--color-muted);font-size:.72rem;font-weight:800}.forum-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px}.forum-dropdown-wrap{position:relative}.forum-toolbar-btn{white-space:nowrap;border:1px solid var(--color-border);border-radius:10px}@media (max-width:640px){.forum-toolbar{flex-wrap:wrap}.forum-search-wrap{flex:1 1 100%;margin-left:0}}.forum-dropdown-panel{position:absolute;top:calc(100% + 6px);left:0;z-index:50;min-width:200px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius,10px);box-shadow:0 8px 32px rgba(11,31,58,.14);padding:6px 0}[data-theme=dark] .forum-dropdown-panel{box-shadow:0 8px 32px rgba(0,0,0,.4)}.forum-dropdown-fieldset{border:none;margin:0;padding:10px 16px 6px}.forum-dropdown-fieldset+.forum-dropdown-fieldset{border-top:1px solid var(--color-border);padding-top:10px}.forum-dropdown-legend{font-size:.72rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:var(--color-muted);padding:0;margin-bottom:8px}.forum-dropdown-option{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:.88rem;color:var(--color-fg);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.forum-dropdown-option:hover{color:var(--color-primary)}[data-theme=dark] .forum-dropdown-option:hover{color:var(--color-accent)}.forum-dropdown-checkbox,.forum-dropdown-radio{accent-color:var(--color-accent);width:15px;height:15px;cursor:pointer;flex-shrink:0}.forum-dropdown-footer{border-top:1px solid var(--color-border);padding:8px 16px 4px}.forum-dropdown-clear{background:none;border:none;padding:0;font-size:.82rem;color:var(--color-muted);cursor:pointer;text-decoration:underline;text-underline-offset:2px}.forum-dropdown-clear:hover{color:var(--color-destructive)}.forum-search-wrap{flex:1 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var(--color-border);background:var(--color-surface-alt);margin-top:8px}.forum-vis-check{display:inline-flex;align-items:center;gap:5px;cursor:pointer;font-size:.8rem}.student-homework-shell{display:grid;grid-template-columns:300px 1fr;grid-gap:24px;gap:24px;align-items:flex-start}.student-homework-list{border:1px solid var(--color-border);border-radius:var(--radius);padding:18px;position:-webkit-sticky;position:sticky;top:96px}.student-homework-list,.student-homework-panel,[data-theme=dark] .student-homework-list{background:var(--color-surface)}.student-homework-panel{border:1px solid var(--color-border);border-radius:var(--radius);padding:28px;min-height:360px}[data-theme=dark] .student-homework-panel{background:var(--color-surface)}.student-hw-assignment-btn{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:12px 14px;border-radius:12px;border:1px solid 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.plan-option-current-tag{background:rgba(215,181,109,.12);border-color:rgba(215,181,109,.25)}.plan-option-feature{font-size:.82rem;color:var(--color-muted);line-height:1.4}.plan-picker-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.plan-cancel-confirm{display:flex;flex-direction:column;gap:10px;padding:14px 16px;border-radius:12px;border:1px solid rgba(180,35,24,.25);background:var(--color-destructive-bg)}[data-theme=dark] .plan-cancel-confirm{border-color:rgba(252,165,165,.2);background:var(--color-destructive-bg)}.plan-cancel-confirm-text{font-size:.92rem;color:var(--color-destructive);margin:0;line-height:1.55}.plan-cancel-confirm-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.fm-invite-link{display:flex;align-items:center;gap:.5rem;margin-top:.75rem}.fm-invite-link input[type=text]{flex:1 1;min-width:0;border:1px solid var(--color-border);border-radius:14px;padding:10px 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24px;padding:0}.invoice-receipt-meta-row{display:flex;gap:12px;margin-bottom:6px;font-size:.9rem}.invoice-receipt-meta-row dt{color:var(--color-muted);min-width:90px;flex-shrink:0}.invoice-receipt-meta-row dd{margin:0;color:var(--color-fg);font-weight:500}.invoice-receipt-id{font-size:.82rem;font-family:ui-monospace,monospace;color:var(--color-muted)!important;font-weight:400!important}.invoice-receipt-lines{width:100%;border-collapse:collapse;font-size:.9rem;margin-bottom:20px}.invoice-receipt-lines th{text-align:left;font-weight:600;color:var(--color-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;padding:0 0 8px;border-bottom:1px solid var(--color-border)}.invoice-receipt-lines td{padding:10px 0;color:var(--color-fg);border-bottom:1px solid var(--color-border)}.invoice-receipt-amount-col{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.invoice-receipt-period{color:var(--color-muted);font-size:.88rem}.invoice-receipt-total-row td{font-weight:700;border-bottom:none;padding-top:12px;color:var(--color-fg)}.invoice-receipt-status{margin-bottom:24px}.invoice-receipt-paid-badge{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 12px;border-radius:999px}.invoice-receipt-paid-badge,[data-theme=dark] .invoice-receipt-paid-badge{background:var(--color-success-bg);color:var(--color-success)}.receipt-actions{display:flex;gap:10px;padding-top:4px}[data-theme=dark] .invoice-receipt{background:var(--color-surface);border-color:var(--color-border)}@media print{body *{visibility:hidden}.invoice-receipt,.invoice-receipt *{visibility:visible}.invoice-receipt{position:absolute;inset:0;margin:0;border:none}.invoice-receipt .receipt-actions{display:none}}.help-cards{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:16px;gap:16px}@media (max-width:640px){.help-cards{grid-template-columns:1fr}}.help-card{display:block;padding:22px 24px;text-decoration:none;color:inherit;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.help-card:hover{border-color:var(--color-accent);transform:translateY(-3px);box-shadow:0 20px 60px rgba(11,31,58,.13)}[data-theme=dark] .help-card:hover{border-color:var(--color-accent);box-shadow:0 20px 60px rgba(0,0,0,.35)}.help-card h3{margin-bottom:6px;color:var(--color-primary)}[data-theme=dark] .help-card h3{color:var(--color-fg)}.recording-lock{position:relative;display:inline-block;cursor:default}.recording-lock-control{opacity:.45;pointer-events:none;cursor:not-allowed;-webkit-user-select:none;-moz-user-select:none;user-select:none;color:var(--color-muted);border-color:var(--color-border)}.recording-lock-tip{display:none;position:absolute;bottom:calc(100% + 8px);left:0;z-index:20;width:max-content;max-width:min(320px,90vw);padding:9px 13px;border-radius:12px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-fg);font-size:.82rem;font-weight:600;line-height:1.55;box-shadow:var(--shadow);pointer-events:none;white-space:normal}[data-theme=dark] .recording-lock-tip{background:var(--color-surface-alt);border-color:var(--color-border);box-shadow:0 28px 90px rgba(0,0,0,.4)}.recording-lock:hover .recording-lock-tip{display:block}.recording-lock:focus .recording-lock-tip,.recording-lock:focus-within .recording-lock-tip{display:block}.recording-lock:focus{outline:3px solid var(--color-focus);outline-offset:3px;border-radius:999px}.recording-access-panel{margin-top:10px;padding:12px 14px;border-radius:12px;border:1px solid var(--color-border);background:var(--color-surface-alt);font-size:.88rem}[data-theme=dark] .recording-access-panel{background:var(--color-surface-alt);border-color:var(--color-border)}.recording-transcript-preview{margin:0 0 8px;padding:0 0 0 12px;border-left:3px solid var(--color-accent);color:var(--color-muted);font-style:italic;line-height:1.6}[data-theme=dark] .recording-transcript-preview{border-left-color:var(--color-accent)}.recording-available-note{margin:0;font-weight:700;font-size:.84rem}.recording-available-note,[data-theme=dark] .recording-available-note{color:var(--color-success)}