*{box-sizing:border-box;margin:0;padding:0;font-family:Outfit,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root{--primary-color:#8b5cf6;--primary-hover:#7c3aed;--bg-gradient-start:#09090b;--bg-gradient-end:#111827;--card-bg:#1a1a2eb3;--card-border:#8b5cf61f;--text-main:#f1f5f9;--text-muted:#94a3b8;--text-label:#8893a7;--success-color:#10b981;--error-color:#ef4444;--warning-color:#f59e0b;--glass-bg:#ffffff08;--glass-bg-hover:#ffffff0f;--glass-border-hover:#8b5cf64d;--shadow-float:0 8px 32px #0000004d, 0 2px 8px #0003;--shadow-hover:0 16px 48px #8b5cf626, 0 4px 16px #0000004d;--surface-primary:#0a101e8c;--surface-elevated:#0f172ab3;--surface-option:#1e293b80;--surface-option-hover:#334155cc;--surface-inset:#0f172a66;--stat-pill-bg:#ffffff1a;--overlay-bg:#0009;--divider:#ffffff0f;--spinner-track:#ffffff1a;--progress-bar-bg:#ffffff14;--heading-gradient:linear-gradient(120deg, #f1f5f9, #c4b5fd 60%);--solo-btn-bg:#e2e8f0;--solo-btn-bg-hover:#f1f5f9;--solo-btn-text:#0a0a0f;--solo-btn-shadow:#e2e8f01f;--solo-btn-shadow-hover:#e2e8f033;--tag-count-color:#a78bfa;--streak-color:#f97316;--daily-done-color:#2dd4a0;--perf-color:#818cf8;--kicker-color:#c7d2fe;--correct-text:#34d399;--incorrect-text:#f87171;--guess-active-bg:#fbbf241f;--guess-active-border:#fbbf244d;--guess-active-text:#fbbf24;--goal-title-gradient:linear-gradient(120deg, #c7d2fe, #fde68a);--tag-active-bg:#8b5cf61a;--tag-active-text:#fff;--tag-active-count:var(--primary-color);--tag-count-opacity:.5;--badge-streak-bg:#f973160f;--badge-streak-border:#f973161f;--badge-daily-bg:#2dd4a00f;--badge-daily-border:#2dd4a02e;--badge-perf-bg:#6366f10f;--badge-perf-border:#6366f12e;--session-hover-bg:#ffffff08;--side-placeholder-bg:linear-gradient(180deg, #4f46e529, #0f172acc);--side-placeholder-border:#a5b4fc38;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-theme=light]{--bg-gradient-start:#f8fafc;--bg-gradient-end:#f1f5f9;--card-bg:#ffffffd9;--card-border:#8b5cf626;--text-main:#0f172a;--text-muted:#64748b;--text-label:#64748b;--glass-bg:#00000005;--glass-bg-hover:#0000000a;--glass-border-hover:#8b5cf659;--shadow-float:0 4px 24px #00000014, 0 1px 4px #0000000d;--shadow-hover:0 8px 32px #8b5cf61a, 0 2px 8px #0000000f;--surface-primary:#ffffffb3;--surface-elevated:#fffc;--surface-option:#f1f5f9cc;--surface-option-hover:#e2e8f0e6;--surface-inset:#f1f5f999;--stat-pill-bg:#0000000f;--overlay-bg:#0000004d;--divider:#00000014;--spinner-track:#0000001a;--progress-bar-bg:#00000014;--heading-gradient:linear-gradient(120deg, #1e293b, #6d28d9 60%);--solo-btn-bg:#1e293b;--solo-btn-bg-hover:#0f172a;--solo-btn-text:#f8fafc;--solo-btn-shadow:#0f172a1a;--solo-btn-shadow-hover:#0f172a2e;--tag-count-color:#7c3aed;--streak-color:#ea580c;--daily-done-color:#059669;--perf-color:#6366f1;--kicker-color:#6366f1;--correct-text:#059669;--incorrect-text:#dc2626;--guess-active-bg:#fbbf2426;--guess-active-border:#d977064d;--guess-active-text:#b45309;--goal-title-gradient:linear-gradient(120deg, #6366f1, #d97706);--tag-active-bg:var(--primary-color);--tag-active-text:#fff;--tag-active-count:#ffffffb3;--tag-count-opacity:.75;--badge-streak-bg:#f973161a;--badge-streak-border:#f9731640;--badge-daily-bg:#10b9811a;--badge-daily-border:#10b9814d;--badge-perf-bg:#6366f11a;--badge-perf-border:#6366f14d;--session-hover-bg:#0000000a;--side-placeholder-bg:linear-gradient(180deg, #8b5cf614, #f1f5f9e6);--side-placeholder-border:#8b5cf62e;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}body{background:var(--bg-gradient-start);color:var(--text-main);-webkit-font-smoothing:antialiased;flex-direction:column;align-items:center;min-height:100vh;display:flex;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#8b5cf614 0%,#0000 70%);width:600px;height:600px;position:fixed;top:-200px;left:50%;transform:translate(-50%)}body:after{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#3b82f60d 0%,#0000 70%);width:500px;height:500px;position:fixed;bottom:-300px;right:-100px}#app{z-index:1;flex-direction:column;width:100%;max-width:1180px;min-height:100vh;padding:40px 20px;display:flex;position:relative}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--card-border);box-shadow:var(--shadow-float);border-radius:16px;padding:2rem;transition:transform .3s,box-shadow .3s}#home-view,#loading-view,#completed-view{width:100%;max-width:720px;margin:0 auto}h1{letter-spacing:-.8px;background:var(--heading-gradient);-webkit-text-fill-color:transparent;text-align:center;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2rem;font-weight:800;line-height:1.2}.highlight{color:var(--primary-color)}p.subtitle{color:var(--text-muted);text-align:center;margin-bottom:2rem;font-size:.95rem}h2{font-size:1.3rem;font-weight:700}.btn{cursor:pointer;border:none;border-radius:.75rem;justify-content:center;align-items:center;width:100%;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary-color), #7c3aed);color:#fff;letter-spacing:-.2px;box-shadow:0 4px 20px #8b5cf64d}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 32px #8b5cf666}#next-btn.btn--stacked{flex-direction:column}#next-btn .cta-main{font-weight:600}#next-btn .cta-sub{opacity:.7;margin-top:2px;font-size:11px;font-weight:400}.btn-secondary{background:var(--glass-bg-hover);color:var(--text-main);border:1px solid var(--card-border)}.btn-secondary:hover:not(:disabled){background:var(--stat-pill-bg)}.btn-compact{border-radius:10px;width:auto;padding:.45rem .8rem;font-size:.85rem}.btn:disabled{opacity:.5;cursor:not-allowed}.theme-label,.section-label{letter-spacing:1.5px;text-transform:uppercase;color:var(--text-label);margin-bottom:14px;font-size:11px;font-weight:600}.landing-shell{flex-direction:column;gap:1.5rem;display:flex}.landing-hero{grid-template-columns:1fr;gap:1rem;display:grid;position:relative}.hero-copy,.topic-panel{border:1px solid var(--card-border);background:var(--surface-primary);border-radius:1.25rem;position:relative;overflow:hidden;box-shadow:inset 0 1px #ffffff08}.hero-copy{background:radial-gradient(circle at top left, #8b5cf61a, transparent 40%), var(--surface-primary);padding:1.5rem}.brand-lockup{align-items:center;gap:.9rem;margin-bottom:1.35rem;display:inline-flex}.brand-logo{filter:drop-shadow(0 10px 18px #0f172a38);border-radius:14px;flex:none;width:54px;height:54px}.brand-copy{flex-direction:column;gap:.12rem;display:flex}.brand-name{color:var(--text-main);letter-spacing:.01em;font-size:1.05rem;font-weight:800}.brand-tagline{color:var(--text-muted);font-size:.84rem}.hero-copy h1{text-align:left;letter-spacing:-.8px;background:var(--heading-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;max-width:18ch;margin-bottom:.75rem;font-size:2rem}.hero-subtitle{text-align:left;max-width:32ch;color:var(--text-muted);margin-bottom:1rem;font-size:15px;font-weight:400;line-height:1.5}.topic-panel{background:var(--surface-primary);margin-bottom:1.1rem;padding:1.1rem}.topic-panel-header{flex-direction:column;align-items:flex-start;gap:.9rem;margin-bottom:.8rem;display:flex}.topic-panel-actions{flex-direction:column;gap:.75rem;margin-top:.9rem;display:flex}.theme-tags-container{flex-wrap:wrap;gap:8px;margin-bottom:32px;display:flex}.theme-tag{cursor:pointer;border:1px solid var(--card-border);background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);color:var(--text-muted);-webkit-user-select:none;user-select:none;white-space:nowrap;border-radius:999px;align-items:center;gap:7px;padding:9px 16px;font-size:13.5px;font-weight:500;transition:all .3s ease-out;display:inline-flex}.theme-tag:hover{background:var(--glass-bg-hover);border-color:var(--glass-border-hover);color:var(--text-main);transform:translateY(-2px);box-shadow:0 4px 20px #8b5cf61a}.theme-tag.active{background:var(--tag-active-bg);border-color:var(--primary-color);color:var(--tag-active-text);box-shadow:0 0 20px #8b5cf640}.theme-tag .tag-icon{display:none}.theme-tag .tag-count{color:var(--tag-count-color);opacity:var(--tag-count-opacity);font-family:Space Mono,monospace;font-size:11px;font-weight:400}.theme-tag.active .tag-count{color:var(--tag-active-count);opacity:1}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{opacity:0;animation:.4s both fadeIn}.animate-fade-in.fade-done{opacity:1;animation:none}.stat-pill{background:var(--stat-pill-bg);border-radius:2rem;align-items:center;gap:.5rem;padding:.4rem .8rem;font-size:.85rem;font-weight:600;display:flex}.reset-score-icon{color:var(--text-muted);cursor:pointer;opacity:.5;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:.15rem;transition:color .2s,background .2s;display:flex}.reset-score-icon:hover{color:var(--error-color);opacity:1;background:#ef444426}.streak-badge{background:var(--badge-streak-bg);border:1px solid var(--badge-streak-border);-webkit-user-select:none;user-select:none;border-radius:999px;align-items:center;gap:8px;margin-bottom:10px;padding:6px 14px;display:inline-flex}.streak-badge .streak-fire{font-size:14px;line-height:1}#streak-body{align-items:center;gap:6px;display:inline-flex}.streak-badge .streak-main{color:var(--text-label);font-size:12px;font-weight:500}.streak-badge .streak-num{color:var(--streak-color);font-family:Space Mono,monospace;font-size:13px;font-weight:700}.streak-badge .streak-text{color:var(--text-label);font-size:12px;font-weight:500}.streak-badge .streak-sep{background:var(--text-label);border-radius:50%;width:3px;height:3px}.streak-badge .streak-expires{color:var(--text-label);background:#f9731614;border:1px solid #f9731626;border-radius:8px;margin-left:4px;padding:2px 8px;font-size:11px;font-weight:500}.badges-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.badges-row .streak-badge{margin-bottom:0}.daily-done-badge{background:var(--badge-daily-bg);border:1px solid var(--badge-daily-border);color:var(--daily-done-color);border-radius:999px;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:500;animation:.3s ease-out slideIn;display:inline-flex}.perf-badge{background:var(--badge-perf-bg);border:1px solid var(--badge-perf-border);color:var(--perf-color);border-radius:999px;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:500;display:inline-flex}.perf-badge .perf-icon{font-size:13px;line-height:1}.perf-badge .perf-text{font-family:Space Mono,monospace;font-size:12px}@keyframes slideIn{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:translate(0)}}.challenge-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--card-border);box-shadow:var(--shadow-float);cursor:pointer;border-radius:16px;align-items:center;gap:14px;margin-bottom:32px;padding:16px 20px;transition:all .4s ease-out;display:flex;position:relative;overflow:hidden}.challenge-card:hover{background:var(--glass-bg-hover);border-color:var(--glass-border-hover);box-shadow:var(--shadow-hover)}.challenge-card:before{content:"";background:var(--primary-color);border-radius:0 2px 2px 0;width:3px;transition:background .4s;position:absolute;top:0;bottom:0;left:0}.challenge-icon{flex-shrink:0;font-size:26px;line-height:1;transition:transform .4s}.challenge-info{flex:1;min-width:0}.challenge-title{margin-bottom:2px;font-size:14px;font-weight:600;transition:color .4s}.challenge-sub{color:var(--text-label);font-size:12px;transition:color .4s}.challenge-cta{color:var(--primary-color);opacity:.8;white-space:nowrap;cursor:pointer;background:0 0;border:none;padding:0;font-family:Outfit,sans-serif;font-size:13px;font-weight:600;transition:all .3s}.challenge-card:hover .challenge-cta{opacity:1;transform:translate(2px)}.challenge-card.is-completed{cursor:default;background:#22c55e08;border-color:#22c55e26}.challenge-card.is-completed:before{background:#22c55e}.challenge-card.is-completed:hover{box-shadow:var(--shadow-float);background:#22c55e08;border-color:#22c55e26}.challenge-card.is-completed .challenge-title{color:var(--text-muted)}.challenge-card.is-completed .challenge-cta{color:#22c55e;opacity:.6}.challenge-card.is-completed:hover .challenge-cta{transform:none}.daily-done{display:none}.solo-btn{background:var(--solo-btn-bg);width:100%;color:var(--solo-btn-text);cursor:pointer;box-shadow:0 4px 20px var(--solo-btn-shadow);letter-spacing:-.2px;border:none;border-radius:10px;justify-content:center;align-items:center;gap:10px;padding:14px 20px;font-family:Outfit,sans-serif;font-size:15px;font-weight:600;transition:all .3s ease-out;display:flex}.solo-btn:hover{background:var(--solo-btn-bg-hover);box-shadow:0 4px 28px var(--solo-btn-shadow-hover);transform:translateY(-2px)}.solo-btn:active{transform:translateY(0)}.solo-arrow{font-size:16px;transition:transform .3s}.solo-btn:hover .solo-arrow{transform:translate(3px)}.or-divider{align-items:center;gap:12px;margin:14px 0;display:flex}.or-divider:before,.or-divider:after{content:"";background:var(--card-border);flex:1;height:1px}.or-divider span{color:var(--text-label);opacity:.7;letter-spacing:.5px;white-space:nowrap;font-size:12.5px;font-weight:500}.session-modes{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--card-border);border-radius:10px;display:flex;overflow:hidden}.session-mode{text-align:center;cursor:pointer;color:var(--text-label);letter-spacing:.5px;text-transform:uppercase;background:0 0;border:none;flex:1;padding:14px 6px;font-family:Outfit,sans-serif;font-size:11px;font-weight:600;transition:all .3s ease-out;position:relative}.session-mode .mode-count{color:var(--text-muted);margin-bottom:2px;font-family:Space Mono,monospace;font-size:18px;font-weight:700;transition:color .3s,transform .3s;display:block}.session-mode .mode-label{transition:opacity .25s;display:block}.session-mode .mode-play{color:var(--primary-color);opacity:0;pointer-events:none;font-size:9px;transition:all .25s ease-out;position:absolute;bottom:10px;left:50%;transform:translate(-50%)scale(.6)}.session-mode:hover{background:var(--session-hover-bg)}.session-mode:hover .mode-label{opacity:0}.session-mode:hover .mode-play{opacity:1;transform:translate(-50%)scale(1)}.session-mode:hover .mode-count{transform:translateY(-2px)}.session-mode.active{color:var(--primary-color);background:#8b5cf61a}.session-mode.active .mode-count{color:var(--text-main)}.session-mode:not(:last-child):after{content:"";background:var(--card-border);width:1px;height:50%;position:absolute;top:25%;right:0}.question-container,.question-layout{flex-direction:column;gap:1.5rem;display:flex}.question-main,.question-side{flex-direction:column;gap:1.25rem;display:flex}.side-placeholder{background:var(--side-placeholder-bg);border:1px solid var(--side-placeholder-border);border-radius:1rem;padding:1.5rem}.side-placeholder-kicker{color:var(--kicker-color);letter-spacing:.12em;text-transform:uppercase;margin-bottom:.6rem;font-size:.72rem;font-weight:700}.side-placeholder-title{color:var(--text-main);margin-bottom:.65rem;font-size:1.2rem;font-weight:700}.side-placeholder-text{color:var(--text-muted);font-size:.95rem;line-height:1.65}.question-text{color:var(--text-main);background:var(--surface-inset);border-left:4px solid var(--primary-color);overflow-wrap:break-word;border-radius:1rem;padding:1.5rem;font-size:1.25rem;font-weight:500;line-height:1.6}.md-table{border-collapse:collapse;width:100%;margin:.75rem 0;font-size:.92em}.md-table th,.md-table td{text-align:left;border:1px solid var(--divider);padding:.55rem .85rem}.md-table th{color:var(--kicker-color);background:#6366f126;font-weight:600}.md-table tr:nth-child(2n) td{background:var(--glass-bg)}.options-list{flex-direction:column;gap:.75rem;display:flex}.option-btn{background:var(--surface-option);border:1px solid var(--card-border);text-align:left;color:var(--text-main);cursor:pointer;overflow-wrap:break-word;border-radius:.75rem;align-items:center;padding:1.25rem 1.5rem;font-size:1.05rem;transition:all .2s;display:flex}.option-btn:hover:not(:disabled){background:var(--surface-option-hover);border-color:#94a3b84d;transform:translate(4px)}.option-btn.selected{border-color:var(--primary-color);background:#6366f133}.option-btn.correct{border-color:var(--success-color);color:var(--correct-text);background:#10b98126}.option-btn.incorrect{border-color:var(--error-color);color:var(--incorrect-text);background:#ef444426}.option-btn:disabled{cursor:default}.feedback-box{background:var(--surface-elevated);border:1px solid var(--card-border);border-radius:1rem;padding:1.5rem;animation:.5s fadeIn}.feedback-status{align-items:center;gap:.5rem;margin-bottom:1rem;font-size:1.1rem;font-weight:700;display:flex}.status-correct{color:#10b981}.status-incorrect{color:#ef4444}.explanation-content{color:var(--text-muted);font-size:.95rem;line-height:1.6}.explanation-content p{margin-bottom:.75rem}.explanation-content strong{color:var(--text-main)}.confidence-prompt{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:.25rem;padding-top:0;animation:.6s .5s both fadeIn;display:flex}.confidence-hint{text-align:center;width:100%;color:var(--text-muted);opacity:.5;font-size:11px}.confidence-prompt.hidden{display:none}.confidence-prompt .confidence-label{color:var(--text-muted);opacity:.7;font-size:12px}.guess-btn{border:1px solid var(--divider);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:999px;padding:4px 12px;font-family:inherit;font-size:11px;transition:all .2s}.guess-btn:hover{border-color:var(--card-border);color:var(--text-main)}.guess-btn.active{background:var(--guess-active-bg);border-color:var(--guess-active-border);color:var(--guess-active-text)}.loader-container{justify-content:center;align-items:center;height:200px;display:flex}.spinner{border:3px solid var(--spinner-track);border-top-color:var(--primary-color);border-radius:50%;width:40px;height:40px;animation:1s ease-in-out infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.hidden{display:none!important}.modal-overlay{z-index:100;background:var(--overlay-bg);-webkit-backdrop-filter:blur(4px);justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal-card{text-align:center;width:90%;max-width:340px;padding:1.5rem}.modal-msg{color:var(--text-main);margin-bottom:1.25rem;font-size:1rem;line-height:1.5}.modal-actions{gap:.75rem;display:flex}.modal-actions .btn{flex:1}.btn-danger{background:var(--error-color);color:#fff;box-shadow:0 4px 14px #ef44444d}.btn-danger:hover:not(:disabled){background:#dc2626;transform:translateY(-2px);box-shadow:0 6px 20px #ef444473}.quiz-header{border-bottom:1px solid var(--card-border);align-items:center;gap:.5rem;margin-bottom:1.5rem;padding-bottom:.85rem;display:flex}.quiz-header__left{flex-shrink:0;align-items:center;gap:.45rem;display:flex}.quiz-header__back{border:1px solid var(--card-border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:.5rem;justify-content:center;align-items:center;padding:.35rem;transition:all .15s;display:inline-flex}.quiz-header__back:hover{color:var(--text-main);background:#ffffff0a;border-color:#fff3}.quiz-header__theme{color:var(--text-muted);font-size:.78rem;font-weight:600}.quiz-header__center{flex-direction:column;flex:1;align-items:center;gap:.2rem;min-width:0;display:flex}.session-progress{align-items:center;gap:.55rem;width:100%;max-width:280px;display:flex}.session-progress__bar{background:var(--progress-bar-bg);border-radius:3px;flex:1;height:6px;overflow:hidden}.session-progress__fill{background:var(--primary-color);border-radius:3px;width:0%;height:100%;transition:width .4s cubic-bezier(.4,0,.2,1),background .4s;box-shadow:0 0 8px #8b5cf64d}.session-progress__text{color:var(--text-muted);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:.72rem;font-weight:700}.session-progress__milestone{color:var(--primary-color);opacity:0;height:.85rem;font-size:.65rem;font-weight:600;transition:opacity .3s,transform .3s;transform:translateY(-2px)}.session-progress__milestone.is-visible{opacity:1;transform:translateY(0)}.quiz-header__right{flex-shrink:0;align-items:center;gap:.4rem;margin-left:auto;display:flex}.stat-pill--streak{background:var(--badge-streak-bg);border:1px solid var(--badge-streak-border);gap:.25rem}.mute-toggle{border:1px solid var(--card-border);width:30px;height:30px;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;transition:all .15s;display:flex}.mute-toggle:hover{color:var(--text-main);background:#ffffff0a;border-color:#fff3}.mute-toggle.is-muted{color:var(--error-color);border-color:#ef444433}.goal-modal{text-align:center;max-width:360px;position:relative;overflow:hidden}.goal-modal__shimmer{pointer-events:none;background:conic-gradient(#0000 0deg,#a5b4fc0f 60deg,#0000 120deg,#fbbf240f 200deg,#0000 260deg,#a5b4fc0f 320deg,#0000 360deg);animation:6s linear infinite shimmer-rotate;position:absolute;inset:-50%}@keyframes shimmer-rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.goal-modal__content{z-index:1;position:relative}.goal-modal__badge{background:#a5b4fc14;border:2px solid #a5b4fc26;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto .75rem;animation:.5s cubic-bezier(.175,.885,.32,1.275) badge-pop;display:inline-flex}@keyframes badge-pop{0%{opacity:0;transform:scale(0)}60%{transform:scale(1.15)}to{opacity:1;transform:scale(1)}}.goal-modal__title{background:var(--goal-title-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.35rem;font-size:1.2rem;font-weight:800}.goal-modal__msg{color:var(--text-muted);margin-bottom:1.25rem;font-size:.88rem;line-height:1.4}.goal-modal__actions{gap:.6rem;display:flex}.goal-modal__actions .btn{flex:1}.mt-2{margin-top:2rem}.text-center{text-align:center}[data-theme=light] body:before,[data-theme=light] body:after{opacity:.3}.theme-toggle{border:1px solid var(--card-border);width:30px;height:30px;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;font-size:14px;transition:all .15s;display:flex}.theme-toggle:hover{color:var(--text-main);background:var(--glass-bg-hover)}.home-toolbar{align-items:center;gap:6px;display:flex;position:absolute;top:1.5rem;right:1.5rem}@media (width>=980px){.landing-hero{grid-template-columns:minmax(0,1fr);align-items:stretch}.hero-copy{min-height:100%}.topic-panel{max-width:760px;padding:1.25rem}.topic-panel-header{flex-direction:column;justify-content:flex-start;align-items:flex-start}.topic-panel-actions{flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:.75rem}.question-layout{grid-template-columns:minmax(0,1.45fr) minmax(320px,.95fr);align-items:start;gap:1.75rem;display:grid}.question-side{min-height:0;max-height:calc(100vh - 3rem);position:sticky;top:.5rem}.question-text{padding:1.75rem;font-size:1.35rem}.side-placeholder,.feedback-box{flex:auto;min-height:0}.feedback-box{flex-direction:column;display:flex;overflow:hidden}.explanation-content{flex:auto;min-height:0;padding-right:.35rem;overflow-y:auto}.feedback-box,#next-btn{margin-top:0}#next-btn{flex:none}}@media (width<=480px){#app{padding:1rem}.glass-card{padding:1.5rem}h1{font-size:1.75rem}.hero-copy,.topic-panel{padding:1.2rem}.hero-copy h1{max-width:none}.option-btn{padding:1rem 1.25rem;font-size:1rem}.quiz-header{flex-wrap:wrap;gap:.4rem}.quiz-header__center{flex:0 0 100%;order:3}.session-progress{max-width:none}}@keyframes pdFadeSlideUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes pdHeroIn{0%{opacity:0;transform:translateY(20px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes pdFadeIn{0%{opacity:0}to{opacity:1}}.pd-anim-slide{animation:.5s ease-out both pdFadeSlideUp}.pd-anim-hero{animation:.5s ease-out both pdHeroIn}.pd-content{padding:0 0 48px}.pd-header{justify-content:space-between;align-items:flex-start;padding:20px 24px 0;display:flex}.pd-header-left{align-items:flex-start;gap:10px;display:flex}.pd-back-btn{width:32px;height:32px;color:var(--text-muted);cursor:pointer;background:#8b5cf61f;border:none;border-radius:8px;justify-content:center;align-items:center;margin-top:1px;font-size:15px;transition:background .2s;display:flex}.pd-back-btn:hover{background:#8b5cf638}.pd-header-text{flex-direction:column;display:flex}.pd-header-title{color:var(--text-muted);font-size:15px;font-weight:500}.pd-header-range{color:var(--text-label);margin-top:2px;font-size:12px}.pd-pill-group{background:#ffffff08;border-radius:10px;gap:2px;padding:3px;display:flex}.pd-pill{color:var(--text-label);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;padding:6px 14px;font-family:inherit;font-size:13px;font-weight:600;transition:all .3s ease-out}.pd-pill.active{color:#c4b5fd;background:#8b5cf633;border-color:#8b5cf659}.pd-pill:hover:not(.active){color:var(--text-muted)}.pd-hero{padding:28px 24px 0}.pd-hero-label{text-transform:uppercase;letter-spacing:.07em;color:#8b5cf6a6;font-size:11px;font-weight:600}.pd-hero-row{flex-wrap:wrap;align-items:baseline;gap:10px;margin-top:4px;display:flex}.pd-hero-num{color:var(--text-main);font-size:48px;font-weight:700;line-height:1}.pd-hero-formula{color:var(--text-label);margin-top:4px;font-size:11px;line-height:1.5}.pd-formula-dim{color:var(--text-label);opacity:.7}.pd-low-vol{color:#ffffff40;font-style:italic}.pd-trend-up{color:#34d399;white-space:nowrap;background:#34d39914;border-radius:12px;align-items:center;gap:2px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-flex}.pd-trend-down{color:#f87171;white-space:nowrap;background:#f8717114;border-radius:12px;align-items:center;gap:2px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-flex}.pd-trend-flat{color:var(--text-label);white-space:nowrap;font-size:11px}.pd-tabs{border-bottom:1px solid #ffffff0d;padding:18px 24px 0}.pd-tab{color:var(--text-label);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-right:24px;padding:8px 0;font-family:inherit;font-size:14px;font-weight:500;transition:all .3s ease-out}.pd-tab.active{color:var(--text-main);border-bottom-color:#a78bfa}.pd-tab:hover:not(.active){color:var(--text-muted)}.pd-chart-wrap{padding:20px 4px 4px 0}.pd-chart-container{width:100%;overflow:hidden}.pd-chart-svg{display:block}.pd-chart-empty{height:200px;color:var(--text-label);text-align:center;justify-content:center;align-items:center;padding:24px;font-size:13px;display:flex}.pd-grid-line{stroke:#ffffff08;stroke-width:1px}.pd-y-label{fill:#ffffff26;text-anchor:end;font-family:inherit;font-size:11px}.pd-x-label{fill:#fff3;text-anchor:middle;font-family:inherit;font-size:11px}.pd-bar-active{fill:#8b5cf680}.pd-bar-inactive{fill:#ffffff05}.pd-bar-acc-bg{fill:#8b5cf629}.pd-chart-container{cursor:crosshair}.pd-bar-hit{pointer-events:all}.pd-cursor{fill:#8b5cf60a;pointer-events:none}.pd-ref-line{stroke:#a78bfa40;stroke-width:1px;stroke-dasharray:4 4}.pd-ref-label{fill:#a78bfa4d;font-family:inherit;font-size:10px}.pd-acc-line{fill:none;stroke:#a78bfa;stroke-width:2.5px}.pd-area{opacity:1}.pd-active-dot{fill:#a78bfa;stroke:#110e24;stroke-width:2px;pointer-events:none}.pd-chart-legend{gap:16px;padding:6px 24px 0;animation:.4s ease-out .3s both pdFadeIn;display:flex}.pd-legend-item{color:var(--text-label);align-items:center;gap:6px;font-size:11px;display:flex}.pd-legend-line{background:#a78bfa;border-radius:2px;width:16px;height:3px}.pd-legend-square{background:#8b5cf62e;border-radius:2px;width:10px;height:10px}.pd-tooltip{z-index:1000;pointer-events:none;-webkit-backdrop-filter:blur(20px);color:#c4b5fd;background:#0e0b1ef5;border:1px solid #8b5cf633;border-radius:12px;max-width:200px;padding:10px 14px;font-size:13px;line-height:1.6;transition:opacity .15s;position:absolute;box-shadow:0 12px 40px #00000080}.pd-tooltip.hidden{opacity:0;pointer-events:none}.pd-tip-date{color:#fff;margin-bottom:2px;font-weight:600}.pd-tip-row{justify-content:space-between;gap:16px;display:flex}.pd-tip-label{color:#ffffff80}.pd-tip-val{color:#fff}.pd-tip-green{color:#34d399}.pd-tip-purple{color:#a78bfa;font-weight:600}.pd-tip-dim{color:#ffffff40}.pd-stats{gap:10px;padding:16px 24px 0;display:flex}.pd-stat-card{-webkit-backdrop-filter:blur(12px);background:#8b5cf60d;border:1px solid #8b5cf61a;border-radius:16px;flex:1;min-width:0;padding:16px 18px}.pd-stat-label{color:var(--text-label);letter-spacing:.05em;text-transform:uppercase;margin-bottom:6px;font-size:11px;line-height:1.3}.pd-stat-value{color:var(--text-main);font-size:26px;font-weight:700;line-height:1.1}.pd-stat-sub{color:var(--text-label);margin-top:5px;font-size:11px;line-height:1.3}.pd-heat-wrap{padding:28px 24px 0}.pd-heat-card{background:#8b5cf608;border:1px solid #8b5cf614;border-radius:16px;padding:16px 18px}.pd-heat-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.pd-heat-title{color:var(--text-label);font-size:12px;font-weight:500}.pd-heat-legend{color:var(--text-label);align-items:center;gap:5px;font-size:10px;display:flex}.pd-heat-legend-sq{border-radius:2px;width:10px;height:10px}.pd-heat-grid{flex-wrap:wrap;gap:3px;display:flex}.pd-heat-sq{border-radius:3px;width:14px;height:14px;animation:.3s ease-out both pdFadeIn}.pd-topic-wrap{padding:28px 24px 0}.pd-topic-header{justify-content:space-between;align-items:baseline;margin-bottom:8px;display:flex}.pd-topic-title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-label);font-size:11px;font-weight:600}.pd-topic-cols{color:var(--text-label);text-transform:uppercase;letter-spacing:.04em;gap:8px;font-size:10px;display:flex}.pd-topic-col-vol{text-align:right;width:32px}.pd-topic-col-acc{text-align:right;width:44px}.pd-topic-col-vs{text-align:right;width:62px}.pd-topic-row{border-bottom:1px solid #ffffff08;align-items:center;gap:10px;padding:10px 0;display:flex}.pd-topic-name{width:90px;color:var(--text-muted);flex-shrink:0;font-size:13px;line-height:1.3}.pd-topic-bar-wrap{flex-direction:column;flex:1;gap:4px;display:flex}.pd-topic-bar-track{background:#ffffff08;border-radius:3px;height:6px;overflow:hidden}.pd-topic-bar-fill{border-radius:3px;height:100%;transition:width .8s ease-out}.pd-topic-vol{color:var(--text-label);text-align:right;font-variant-numeric:tabular-nums;flex-shrink:0;width:32px;font-size:11px}.pd-topic-acc{text-align:right;flex-shrink:0;width:44px}.pd-acc-dot{font-variant-numeric:tabular-nums;text-align:right;min-width:28px;font-size:13px;font-weight:600;display:inline-block}.pd-acc-dash{color:var(--text-label);font-size:12px}.pd-topic-vs{text-align:right;flex-shrink:0;width:62px}.pd-topic-footer{color:var(--text-label);text-align:right;margin-top:10px;font-size:10px;line-height:1.4}.pd-nudge{padding:28px 24px 0}.pd-nudge-card{background:linear-gradient(135deg,#8b5cf614 0%,#3b82f60a 100%);border:1px solid #8b5cf61f;border-radius:16px;padding:16px 18px}.pd-nudge-text{color:#ffffffb3;font-size:13px;line-height:1.65}.pd-nudge-label{color:#a78bfa;font-weight:600}#progress-cta{margin-top:16px}.progress-cta-card{cursor:pointer;background:#8b5cf60f;border:1px solid #8b5cf61f;border-radius:16px;align-items:center;gap:14px;padding:16px 18px;transition:all .3s ease-out;display:flex}.progress-cta-card:hover{background:#8b5cf61a;border-color:#8b5cf638}.progress-cta-spark{flex-shrink:0;align-items:flex-end;gap:2px;height:28px;display:flex}.progress-cta-spark-bar{border-radius:1.5px;width:3px;transition:height .4s ease-out}.progress-cta-body{flex:1;min-width:0}.progress-cta-title{color:var(--text-muted);font-size:14px;font-weight:500}.progress-cta-summary{color:var(--text-label);text-overflow:ellipsis;white-space:nowrap;margin-top:2px;font-size:12px;overflow:hidden}.progress-cta-chevron{color:#8b5cf680;flex-shrink:0;font-size:16px}[data-theme=light] .pd-hero-label{color:#8b5cf6cc}[data-theme=light] .pd-pill.active{color:#7c3aed;background:#8b5cf626}[data-theme=light] .pd-nudge-card{background:linear-gradient(135deg,#8b5cf60f,#3b82f608)}[data-theme=light] .pd-nudge-text{color:var(--text-muted)}[data-theme=light] .pd-grid-line{stroke:#0000000f}[data-theme=light] .pd-y-label,[data-theme=light] .pd-x-label{fill:var(--text-label)}[data-theme=light] .pd-bar-active{fill:#8b5cf666}[data-theme=light] .pd-ref-line{stroke:#8b5cf633}[data-theme=light] .pd-ref-label{fill:#8b5cf666}[data-theme=light] .pd-tooltip{color:#6d28d9;background:#fffffff5;border-color:#8b5cf626;box-shadow:0 12px 40px #0000001a}[data-theme=light] .pd-tip-date,[data-theme=light] .pd-tip-val{color:var(--text-main)}[data-theme=light] .pd-tip-label{color:var(--text-label)}@media (width<=600px){.pd-stats{flex-direction:column}.pd-header{flex-wrap:wrap;gap:10px}.pd-pill-group{margin-left:auto}.pd-hero-num{font-size:36px}.pd-topic-name{width:70px;font-size:12px}.pd-topic-col-vs{width:50px}}