@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";
:root{--bg-primary:#090b10;--bg-secondary:#0f131a;--bg-card:#131722;--bg-card-hover:#181e2b;--bg-card-border:#ffffff14;--bg-glass:#0f131acc;--header-bg:#090b10d9;--nav-bar-bg:#0f131aeb;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--option-bg:#ffffff08;--option-bg-hover:#ffffff0f;--pill-bg:#ffffff0d;--pill-bg-hover:#ffffff14;--accent-gold:#f59e0b;--accent-gold-subtle:#f59e0b1a;--accent-emerald:#10b981;--accent-emerald-subtle:#10b9811a;--accent-rose:#f43f5e;--accent-rose-subtle:#f43f5e1a;--accent-ai:#64748b;--accent-ai-subtle:#64748b1f;--card-front-bg:#131722;--card-back-bg:#151b27;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-full:9999px;--shadow-subtle:0 1px 3px #0000004d, 0 4px 16px #0003;--shadow-elevated:0 4px 24px #00000073;--font-main:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace}[data-theme=light]{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-card:#fff;--bg-card-hover:#f1f5f9;--bg-card-border:#0f172a14;--bg-glass:#ffffffe0;--header-bg:#ffffffe6;--nav-bar-bg:#fffffff2;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--option-bg:#f8fafc;--option-bg-hover:#f1f5f9;--pill-bg:#0f172a0a;--pill-bg-hover:#0f172a12;--accent-gold:#d97706;--accent-gold-subtle:#d9770614;--accent-emerald:#059669;--accent-emerald-subtle:#05966914;--accent-rose:#e11d48;--accent-rose-subtle:#e11d4814;--accent-ai:#475569;--accent-ai-subtle:#47556914;--card-front-bg:#fff;--card-back-bg:#fbfbfd;--shadow-subtle:0 1px 3px #0000000a, 0 4px 12px #0f172a08;--shadow-elevated:0 6px 20px #0f172a0f}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;transition:background-color .2s,color 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1fr;gap:28px}}@media (max-width:520px){.footer-nav-grid{grid-template-columns:1fr;gap:28px}}.footer-col-title{text-transform:uppercase;letter-spacing:.08em;color:var(--text-primary);align-items:center;gap:6px;margin-bottom:16px;font-size:.78rem;font-weight:700;display:flex}.footer-link-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.footer-link-item{color:var(--text-secondary);align-items:center;gap:6px;font-size:.84rem;text-decoration:none;transition:color .15s,transform .15s;display:inline-flex}.footer-link-item:hover{transform:translate(2px);color:var(--text-primary)!important}.footer-badge-live{background:var(--accent-emerald-subtle);color:var(--accent-emerald);border-radius:3px;padding:1px 5px;font-size:.62rem;font-weight:700;line-height:1.2}.footer-badge-guide{color:var(--accent-gold);background:#f59e0b1f;border-radius:3px;padding:1px 5px;font-size:.62rem;font-weight:700;line-height:1.2}.exam-workspace-grid{width:100%;display:block}@media (min-width:1024px){.exam-workspace-grid.with-sidebar{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:20px;display:grid}}.desktop-palette-sidebar{display:none}@media (min-width:1024px){.desktop-palette-sidebar{background:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--radius-md);max-height:calc(100vh - 96px);box-shadow:var(--shadow-subtle);flex-direction:column;padding:16px;display:flex;position:sticky;top:76px}}.desktop-kbd-badge{font-family:var(--font-mono);background:var(--pill-bg);border:1px solid var(--bg-card-border);color:var(--text-muted);border-radius:4px;justify-content:center;align-items:center;padding:2px 6px;font-size:.66rem;font-weight:700;line-height:1.2;display:inline-flex}.desktop-only-flex{display:none!important}@media (min-width:1024px){.desktop-only-flex{display:flex!important}}.mobile-only-flex{display:flex!important}@media (min-width:1024px){.mobile-only-flex{display:none!important}}.header-cta-btn{display:inline-flex!important}@media (max-width:640px){.header-cta-btn,.header-badge-year{display:none!important}}.hero-buttons-container{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-bottom:32px;display:flex}@media (max-width:640px){.hero-buttons-container{flex-direction:column;align-items:stretch;gap:10px;width:100%;max-width:320px;margin-left:auto;margin-right:auto}.hero-buttons-container .btn-primary-landing,.hero-buttons-container .btn-secondary-landing{text-align:center;box-sizing:border-box;width:100%!important;padding:12px 18px!important;font-size:.92rem!important}}.mobile-bottom-nav{display:flex!important}@media (min-width:769px){.mobile-bottom-nav{display:none!important}}@media (max-width:768px){.app-main-state-content{padding-bottom:84px!important}}.desktop-only-inline{display:inline!important}@media (max-width:640px){.desktop-only-inline{display:none!important}.mobile-only-inline{display:inline!important}}.app-header{padding:10px 20px}@media (max-width:640px){.app-header{padding:8px 10px!important}}.app-main-layout{padding:24px 16px}@media (max-width:640px){.app-main-layout{padding:10px!important}}.quiz-question-card{border-radius:var(--radius-lg);padding:22px 20px}.quiz-question-prompt{font-size:1.06rem;line-height:1.5}.quiz-option-button{padding:11px 14px}.quiz-option-badge{border-radius:4px;width:22px;height:22px;font-size:.72rem}.quiz-option-text{font-size:.88rem;line-height:1.45}@media (max-width:640px){.quiz-question-card{border-radius:var(--radius-md)!important;margin-bottom:10px!important;padding:14px 12px!important}.quiz-question-prompt{margin-bottom:12px!important;font-size:.9rem!important;line-height:1.42!important}.quiz-option-button{border-radius:6px!important;margin-bottom:6px!important;padding:8px 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10px!important}.exam-option-badge{border-radius:4px!important;width:20px!important;height:20px!important;font-size:.68rem!important}.exam-option-text{font-size:.8rem!important;line-height:1.36!important}}.flashcard-front-term{font-size:1.45rem}.flashcard-back-text{font-size:1.02rem}@media (max-width:640px){.flashcard-front-term{font-size:1.18rem!important;line-height:1.38!important}.flashcard-back-text{font-size:.88rem!important;line-height:1.45!important}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.topic-study-header-card{background:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--radius-md);box-shadow:var(--shadow-subtle);flex-direction:column;gap:8px;margin-bottom:12px;padding:10px 14px;display:flex}.topic-study-header-top-row{justifyContent:space-between;align-items:center;gap:8px;display:flex}.topic-study-back-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;flex-shrink:0;align-items:center;gap:5px;padding:3px 0;font-size:.78rem;font-weight:600;transition:color .12s;display:inline-flex}.topic-study-back-btn:hover{color:var(--text-primary)}.topic-study-mode-tabs{background:var(--pill-bg);border-radius:var(--radius-sm);border:1px solid var(--bg-card-border);flex-shrink:0;gap:3px;padding:2px;display:inline-flex}.topic-mode-tab-btn{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-radius:4px;align-items:center;gap:4px;padding:4px 10px;font-size:.72rem;font-weight:700;transition:all .12s;display:inline-flex}.topic-mode-tab-btn.active{background:var(--text-primary);color:var(--bg-primary)}.topic-study-complete-btn{border-radius:var(--radius-sm);background:var(--pill-bg);border:1px solid var(--bg-card-border);color:var(--text-secondary);cursor:pointer;flex-shrink:0;align-items:center;gap:5px;padding:4px 9px;font-size:.72rem;font-weight:600;transition:all .12s;display:inline-flex}.topic-study-complete-btn.completed{color:var(--accent-emerald);background:#10b9811f;border-color:#10b98166}.topic-study-header-bottom-row{justifyContent:space-between;border-top:1px solid var(--bg-card-border);flex-wrap:wrap;align-items:center;gap:8px;padding-top:6px;display:flex}.topic-study-module-badge{background:var(--pill-bg);border:1px solid var(--bg-card-border);color:var(--text-primary);border-radius:4px;padding:1px 6px;font-size:.7rem;font-weight:800}.topic-study-title{color:var(--text-primary);letter-spacing:-.01em;margin:0;font-size:clamp(.92rem,1.8vw,1.15rem);font-weight:800}.topic-study-weight-badge{background:var(--pill-bg);border:1px solid var(--bg-card-border);color:var(--text-secondary);border-radius:4px;padding:1px 6px;font-size:.66rem;font-weight:700}.topic-study-key-chips{flex-wrap:wrap;gap:5px;display:flex}.topic-study-chip{background:var(--pill-bg);border:1px solid var(--bg-card-border);color:var(--text-secondary);border-radius:3px;padding:1px 6px;font-size:.68rem;font-weight:600}.mobile-only-inline{display:none}@media (max-width:768px){.topic-study-header-card{gap:4px!important;margin-bottom:8px!important;padding:6px 9px!important}.desktop-only-inline{display:none!important}.mobile-only-inline{display:inline!important}.topic-study-mode-tabs{padding:2px!important}.topic-mode-tab-btn{padding:3px 7px!important;font-size:.68rem!important}.topic-study-complete-btn{padding:3px 5px!important}.topic-study-header-bottom-row{gap:4px!important;padding-top:4px!important}.topic-study-title{white-space:nowrap!important;text-overflow:ellipsis!important;max-width:190px!important;font-size:.82rem!important;overflow:hidden!important}.topic-study-key-chips,.quiz-category-tag-mobile-hide{display:none!important}}.app-body-layout{flex:1;width:100%;min-height:0;display:flex}.app-sidebar{border-right:1px solid var(--bg-card-border);background:var(--bg-primary);flex-direction:column;flex-shrink:0;width:180px;height:calc(100vh - 48px);display:none;position:sticky;top:48px;overflow-y:auto}@media (min-width:769px){.app-sidebar{display:flex}.mobile-bottom-nav{display:none!important}}.app-main-content{flex-direction:column;flex:1;align-items:center;width:100%;min-width:0;padding:20px 16px;display:flex}@media (min-width:769px){.app-main-content{padding:24px 32px}}@media (max-width:768px){.app-main-content{padding:12px;display:block}}body.in-exam-session .mobile-bottom-nav,body.in-exam-session .app-sidebar{display:none!important}body.in-exam-session .app-main-content{max-width:100%!important;padding-bottom:0!important}
:root{--sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px);--sal:env(safe-area-inset-left,0px);--sar:env(safe-area-inset-right,0px)}body{padding-top:var(--sat);padding-bottom:var(--sab);padding-left:var(--sal);padding-right:var(--sar);-webkit-tap-highlight-color:transparent}button,[role=button],a,input,select{touch-action:manipulation;-webkit-tap-highlight-color:#0000;-webkit-user-select:none;user-select:none}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}