:root{--bg-main:#090d16;--bg-card:#121826bf;--bg-card-hover:#1c2438d9;--bg-surface:#111827;--border-subtle:#ffffff14;--border-focus:#6366f180;--indigo-primary:#6366f1;--indigo-light:#818cf8;--emerald-success:#10b981;--amber-warn:#f59e0b;--rose-danger:#f43f5e;--cyan-accent:#06b6d4;--sky-accent:#38bdf8;--text-white:#fff;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--shadow-glow-indigo:0 0 25px #6366f140;--shadow-glow-emerald:0 0 25px #10b98140;--shadow-card:0 10px 30px -10px #00000080;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);background-image:radial-gradient(circle at 15% 15%,#6366f11f 0%,#0000 40%),radial-gradient(circle at 85% 85%,#06b6d41a 0%,#0000 45%);background-attachment:fixed;min-height:100vh;font-family:Outfit,Noto Sans TC,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;overflow-x:hidden}button{cursor:pointer;border:none;outline:none;font-family:inherit;transition:all .2s cubic-bezier(.4,0,.2,1)}.app-navbar{z-index:100;-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);background:#090d16d9;padding:.75rem 1.5rem;position:sticky;top:0}.navbar-container{justify-content:space-between;align-items:center;gap:1rem;max-width:1200px;margin:0 auto;display:flex}.navbar-brand{align-items:center;gap:.75rem;display:flex}.brand-icon{border-radius:var(--radius-md);width:42px;height:42px;box-shadow:var(--shadow-glow-indigo);background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);justify-content:center;align-items:center;display:flex}.brand-math-symbol{color:#fff;letter-spacing:-1px;font-size:1.3rem;font-weight:900}.brand-titles{flex-direction:column;display:flex}.brand-name{color:var(--text-white);letter-spacing:.5px;font-size:1.15rem;font-weight:800}.brand-tag{color:var(--cyan-accent);font-size:.75rem;font-weight:600}.navbar-stats{align-items:center;gap:.6rem;display:flex}.stat-pill{border:1px solid var(--border-subtle);background:#ffffff0d;border-radius:999px;align-items:center;gap:.4rem;padding:.35rem .75rem;font-size:.85rem;font-weight:700;display:flex}.stat-icon-flame{color:#f97316}.stat-icon-star{color:#f59e0b;fill:#f59e0b}.stat-icon-xp{color:#818cf8}.navbar-actions{align-items:center;gap:.5rem;display:flex}.nav-action-btn{color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#ffffff0f;align-items:center;gap:.4rem;padding:.45rem .85rem;font-size:.85rem;font-weight:600;display:flex}.nav-action-btn:hover{background:#ffffff1f;transform:translateY(-1px)}.nav-action-btn.icon-only{border-radius:50%;padding:.45rem}.mistakes-btn{color:#fda4af;background:#f43f5e1f;border-color:#f43f5e4d;position:relative}.mistake-badge{background:var(--rose-danger);color:#fff;border-radius:999px;padding:.1rem .35rem;font-size:.7rem;font-weight:800}.install-btn{color:#fff;background:linear-gradient(135deg,#4f46e5 0%,#06b6d4 100%);border:none}.highlight-pulse{animation:2s infinite pulse-border}@keyframes pulse-border{0%{box-shadow:0 0 #6366f199}70%{box-shadow:0 0 0 8px #6366f100}to{box-shadow:0 0 #6366f100}}.app-main-content{max-width:1000px;margin:1.5rem auto 4rem;padding:0 1rem}.chapter-tabs-bar{gap:.75rem;margin-bottom:1.5rem;padding-bottom:.5rem;display:flex;overflow-x:auto}.chapter-tab-item{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);text-align:left;flex:1;min-width:200px;padding:1rem 1.2rem;transition:all .25s;position:relative}.chapter-tab-item:hover{background:var(--bg-card-hover);border-color:#ffffff2e;transform:translateY(-2px)}.chapter-tab-item.active{border-color:var(--indigo-primary);box-shadow:var(--shadow-glow-indigo);background:#6366f126}.tab-chapter-number{color:var(--cyan-accent);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.25rem;font-size:.8rem;font-weight:700}.tab-chapter-title{color:var(--text-white);font-size:1rem;font-weight:800}.chapter-done-check{color:var(--emerald-success);position:absolute;top:1rem;right:1rem}.chapter-hero-banner{border-radius:var(--radius-xl);box-shadow:var(--shadow-card);margin-bottom:2rem;padding:2.2rem 2rem;position:relative;overflow:hidden}.hero-badge{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;background:#fff3;border-radius:999px;margin-bottom:.75rem;padding:.25rem .75rem;font-size:.75rem;font-weight:800;display:inline-block}.hero-title{color:#fff;margin-bottom:.5rem;font-size:1.8rem;font-weight:900}.hero-subtitle{color:#ffffffe6;max-width:650px;font-size:.95rem}.unit-cards-trail{flex-direction:column;gap:1.2rem;display:flex}.unit-level-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;gap:1.25rem;padding:1.5rem;transition:all .25s;display:flex;position:relative}.unit-level-card:hover{background:var(--bg-card-hover);border-color:#6366f166;transform:translate(4px);box-shadow:0 8px 24px -6px #0006}.unit-left-indicator{flex-direction:column;align-items:center;display:flex;position:relative}.unit-step-circle{border:2px solid var(--indigo-light);width:48px;height:48px;color:var(--text-white);box-shadow:var(--shadow-glow-indigo);background:#ffffff0d;border-radius:50%;justify-content:center;align-items:center;font-size:1.05rem;font-weight:900;display:flex}.unit-level-card.completed .unit-step-circle{background:var(--emerald-success);border-color:var(--emerald-success)}.unit-connector-line{background:#ffffff1a;flex-grow:1;width:2px;margin-top:.5rem}.unit-info-body{flex:1}.unit-title-row{justify-content:space-between;align-items:center;margin-bottom:.4rem;display:flex}.unit-title{color:var(--text-white);font-size:1.2rem;font-weight:800}.unit-stars-row{gap:.2rem;display:flex}.star-icon.earned{color:#f59e0b}.star-icon.empty{color:#475569}.unit-summary{color:var(--text-secondary);margin-bottom:1rem;font-size:.9rem}.unit-footer-meta{color:var(--text-muted);align-items:center;gap:1.2rem;font-size:.8rem;display:flex}.unit-tag{align-items:center;gap:.35rem;display:flex}.unit-action-link{color:var(--indigo-light);align-items:center;gap:.2rem;margin-left:auto;font-weight:700;display:flex}.unit-workspace-container{flex-direction:column;gap:1.5rem;display:flex}.workspace-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding-bottom:1rem;display:flex}.btn-back-map,.btn-next-unit{color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#ffffff0d;align-items:center;gap:.4rem;padding:.5rem 1rem;font-size:.88rem;font-weight:700;display:flex}.btn-back-map:hover,.btn-next-unit:hover{background:#ffffff1f}.workspace-unit-badge{text-align:center}.unit-code-tag{color:var(--indigo-light);background:#6366f133;border-radius:999px;padding:.15rem .6rem;font-size:.75rem;font-weight:800}.workspace-unit-title{color:var(--text-white);margin-top:.25rem;font-size:1.35rem;font-weight:800}.workspace-tabs-row{border-radius:var(--radius-lg);border:1px solid var(--border-subtle);background:#12182699;gap:.75rem;padding:.4rem;display:flex}.workspace-tab-btn{border-radius:var(--radius-md);color:var(--text-secondary);background:0 0;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1rem;font-size:.95rem;font-weight:700;display:flex}.workspace-tab-btn:hover{color:var(--text-white)}.workspace-tab-btn.active{background:var(--indigo-primary);color:#fff;box-shadow:var(--shadow-glow-indigo)}.concept-summary-card{border-radius:var(--radius-lg);background:#6366f11a;border:1px solid #6366f14d;margin-bottom:1.5rem;padding:1.25rem}.summary-title{color:var(--indigo-light);margin-bottom:.35rem;font-weight:800}.summary-text{color:var(--text-primary);font-size:.95rem}.concept-cards-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.4rem;margin-bottom:2rem;display:grid}.concept-detail-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);flex-direction:column;padding:1.4rem;transition:transform .2s,border-color .2s,box-shadow .2s;display:flex}.concept-detail-card:hover{border-color:#6366f159;box-shadow:0 8px 24px #00000059}.concept-diagram-wrapper{background:radial-gradient(circle at 50% 30%,#1e293ba6 0%,#0f172af2 100%);border:1px solid #ffffff14;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;margin-bottom:1rem;padding:10px 10px 8px;transition:border-color .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden;box-shadow:inset 0 2px 6px #00000080,0 4px 12px #0003}.concept-diagram-wrapper:hover{border-color:#38bdf84d;box-shadow:inset 0 2px 6px #00000080,0 6px 18px #38bdf81f}.concept-diagram-svg{width:100%;height:auto;max-height:155px;display:block}.concept-diagram-caption{color:var(--cyan-accent);text-align:center;align-items:center;gap:4px;margin-top:6px;font-size:.78rem;font-weight:700;line-height:1.4;display:flex}.concept-card-header{align-items:center;gap:.6rem;margin-bottom:.75rem;display:flex}.concept-num{width:26px;height:26px;color:var(--cyan-accent);background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;font-size:.85rem;font-weight:800;display:flex}.concept-heading{color:var(--text-white);font-size:1.05rem;font-weight:800}.concept-desc{color:var(--text-secondary);margin-bottom:1rem;font-size:.9rem}.concept-formula-box{border:1px solid var(--border-subtle);border-radius:var(--radius-md);text-align:center;background:#00000059;padding:.75rem;font-size:1.05rem}.action-advance-bar{justify-content:center;margin-top:1.5rem;display:flex}.btn-advance-lab,.btn-advance-quiz{color:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-glow-indigo);background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);align-items:center;gap:.6rem;padding:.9rem 2rem;font-size:1.05rem;font-weight:800;display:flex}.btn-advance-lab:hover,.btn-advance-quiz:hover{filter:brightness(1.1);transform:translateY(-2px)}.lab-container{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:1.8rem}.lab-header{margin-bottom:1.5rem}.lab-title-row{align-items:center;gap:.6rem;margin-bottom:.35rem;display:flex}.lab-icon{color:var(--cyan-accent)}.lab-title{color:var(--text-white);font-size:1.3rem;font-weight:900}.lab-desc{color:var(--text-secondary);font-size:.92rem}.scenario-switcher{gap:.6rem;margin-bottom:1.5rem;display:flex;overflow-x:auto}.scenario-tab{border:1px solid var(--border-subtle);color:var(--text-secondary);white-space:nowrap;background:#ffffff0d;border-radius:999px;padding:.45rem .9rem;font-size:.85rem;font-weight:700}.scenario-tab.active{border-color:var(--cyan-accent);color:var(--cyan-accent);background:#06b6d426}.math-metrics-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem;display:grid}.metric-card{border:1px solid var(--border-subtle);border-radius:var(--radius-md);text-align:center;background:#00000059;padding:1rem}.metric-label{color:var(--text-muted);margin-bottom:.35rem;font-size:.8rem;font-weight:700}.metric-value{color:var(--text-white);margin-bottom:.35rem;font-size:1.4rem;font-weight:900}.metric-sub{color:var(--text-secondary);font-size:.78rem}.svg-canvas-wrapper{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#0b0f19e6;margin-bottom:1.5rem;padding:1.5rem .5rem}.number-line-svg{width:100%;height:auto;display:block}.math-range-slider{-webkit-appearance:none;width:100%;height:8px;accent-color:var(--indigo-primary);background:#334155;border-radius:4px;outline:none}.lab-controls{border-radius:var(--radius-lg);background:#00000040;margin-bottom:1.2rem;padding:1.2rem}.control-label{margin-bottom:.6rem;font-size:.95rem;font-weight:600;display:block}.control-label strong{color:var(--sky-accent);font-size:1.15rem}.quick-buttons-row{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:1rem;display:flex}.quick-label{color:var(--text-muted);font-size:.85rem}.preset-btn{color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:#ffffff14;padding:.35rem .7rem;font-size:.85rem;font-weight:700}.preset-btn.active{background:var(--indigo-primary);color:#fff;border-color:var(--indigo-primary)}.toggle-opp-btn{color:#fda4af;border-radius:var(--radius-sm);background:#f43f5e26;border:1px solid #f43f5e4d;align-items:center;gap:.35rem;margin-left:auto;padding:.35rem .75rem;font-size:.82rem;font-weight:700;display:flex}.scenario-detail-card{border-radius:var(--radius-md);background:#06b6d414;border:1px solid #06b6d433;padding:1rem;font-size:.9rem}.reaction-equation-banner{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#0006;justify-content:center;align-items:center;gap:1rem;margin-bottom:1.5rem;padding:1rem 1.5rem;display:flex}.formula-display{color:var(--text-white);font-size:1.5rem;font-weight:900}.chamber-container{border:1px solid var(--border-subtle);border-radius:var(--radius-xl);background:#0b0f19e6;align-items:center;gap:1.5rem;margin-bottom:1.5rem;padding:2rem;display:flex}.chamber-column{flex-direction:column;flex:1;gap:1rem;display:flex}.chamber-col-header{font-size:.9rem;font-weight:800}.particles-rack{border-radius:var(--radius-md);background:#ffffff08;flex-wrap:wrap;align-content:flex-start;gap:.75rem;min-height:120px;padding:1rem;display:flex}.charge-particle{border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:1rem;font-weight:900;transition:all .3s cubic-bezier(.34,1.56,.64,1);display:flex;box-shadow:0 4px 12px #0000004d}.charge-particle.pos{color:#fff;background:radial-gradient(circle at 35% 35%,#34d399,#059669);border:2px solid #6ee7b7}.charge-particle.neg{color:#fff;background:radial-gradient(circle at 35% 35%,#fb7185,#e11d48);border:2px solid #fda4af}.charge-particle.annihilated{opacity:.15;filter:grayscale();transform:scale(.6)}.shake-annihilate{animation:.6s forwards annihilate-spark}@keyframes annihilate-spark{0%{filter:brightness();transform:scale(1)}50%{filter:brightness(2);transform:scale(1.3)}to{opacity:0;transform:scale(0)}}.chamber-mid-divider{flex-direction:column;align-items:center;gap:.75rem;display:flex}.clash-icon{font-size:2rem;animation:1.5s infinite pulse-border}.btn-annihilate{color:#fff;border-radius:var(--radius-lg);background:linear-gradient(135deg,#f59e0b 0%,#ef4444 100%);padding:.75rem 1.25rem;font-size:.95rem;font-weight:800;box-shadow:0 0 20px #f59e0b4d}.btn-annihilate:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(.8)}.chamber-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.controls-group{border-radius:var(--radius-md);background:#ffffff0d;align-items:center;gap:.5rem;padding:.4rem .8rem;display:flex}.ctrl-btn{color:#fff;background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.ctrl-count{text-align:center;min-width:36px;font-size:1.1rem;font-weight:800}.ctrl-reset-btn{color:var(--text-secondary);border-radius:var(--radius-md);background:#ffffff14;align-items:center;gap:.35rem;padding:.5rem .9rem;font-size:.85rem;font-weight:700;display:flex}.chamber-footer-insight{border-radius:var(--radius-md);background:#10b98114;border:1px solid #10b98133;padding:1rem;font-size:.9rem}.highlight-text{color:var(--emerald-success);font-weight:700}.car-formula-box{border-radius:var(--radius-lg);text-align:center;background:#0006;margin-bottom:1.5rem;padding:1.25rem}.car-math-result{margin-top:.5rem;font-size:1.6rem;font-weight:900}.car-controls-dashboard{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem;display:grid}.car-ctrl-card{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#ffffff0a;padding:1rem}.car-ctrl-card label{color:var(--text-secondary);margin-bottom:.6rem;font-size:.85rem;font-weight:700;display:block}.toggle-pair{gap:.5rem;display:flex}.toggle-btn{border-radius:var(--radius-sm);color:var(--text-secondary);background:#ffffff0f;flex:1;padding:.6rem;font-size:.85rem;font-weight:700}.toggle-btn.active{background:var(--indigo-primary);color:#fff}.car-road-container{border-radius:var(--radius-lg);background:#1e293b;margin-bottom:1.5rem;padding:3rem 1.5rem 2rem;position:relative}.car-position-tag{flex-direction:column;align-items:center;transition:left .4s cubic-bezier(.34,1.56,.64,1);display:flex;position:absolute;top:15px;transform:translate(-50%)}.car-sprite{font-size:2.2rem;transition:transform .3s}.car-sprite.flipped{transform:scaleX(-1)}.car-coord{background:var(--indigo-primary);color:#fff;border-radius:999px;margin-top:.2rem;padding:.15rem .5rem;font-size:.75rem;font-weight:800}.road-strip{border-top:2px dashed #64748b;justify-content:space-between;padding-top:.5rem;display:flex}.road-tick{color:#94a3b8;flex-direction:column;align-items:center;font-size:.85rem;font-weight:700;display:flex}.car-insight-card{border-radius:var(--radius-md);background:#f59e0b14;border:1px solid #f59e0b33;padding:1rem;font-size:.9rem}.gamified-modes-bar{gap:.5rem;margin-bottom:1.25rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.mode-tab{border-radius:var(--radius-md);white-space:nowrap;border:1px solid var(--border-subtle);color:var(--text-secondary);background:#ffffff0d;padding:.5rem 1rem;font-size:.82rem;font-weight:800;transition:all .2s}.mode-tab.active{border-color:var(--cyan-accent);color:#fff;background:linear-gradient(135deg,#6366f14d 0%,#06b6d440 100%);box-shadow:0 0 16px #06b6d44d}.mode-tab.disabled{opacity:.4;cursor:not-allowed}.btn-fire-laser{color:#fff;border-radius:var(--radius-md);background:linear-gradient(135deg,#f59e0b 0%,#ef4444 100%);align-items:center;gap:.4rem;margin-left:auto;padding:.55rem 1.1rem;font-size:.88rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 0 15px #f59e0b59}.btn-fire-laser:hover:not(:disabled){filter:brightness(1.15);transform:translateY(-2px);box-shadow:0 0 22px #ef444480}.btn-fire-laser.firing{animation:.8s infinite pulse-firing}@keyframes pulse-firing{0%{filter:brightness();transform:scale(1)}50%{filter:brightness(1.3);transform:scale(1.04)}to{filter:brightness();transform:scale(1)}}.laser-chamber-container{border-radius:var(--radius-xl);background:#060911;border:1px solid #6366f14d;margin-bottom:1.5rem;padding:1.25rem 1.25rem .5rem;position:relative;overflow:hidden;box-shadow:inset 0 0 40px #000c,0 12px 30px #00000080}.laser-chamber-meta{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.75rem;padding:0 .5rem;font-size:.85rem;display:flex}.meta-left{color:var(--text-secondary)}.meta-right strong{margin-left:.3rem}.laser-svg-wrapper{border-radius:var(--radius-lg);background:radial-gradient(circle,#0f172a99 0%,#020617f2 100%);border:1px solid #ffffff0f;width:100%;overflow-x:auto}.laser-optics-svg{width:100%;min-width:650px;height:auto;display:block}.laser-core-stream{stroke-dasharray:8 4;animation:1.2s linear infinite laser-flow}@keyframes laser-flow{0%{stroke-dashoffset:24px}to{stroke-dashoffset:0}}.optical-station-group:hover .mirror-glyph,.optical-station-group:hover .lens-glyph{transition:transform .2s cubic-bezier(.34,1.56,.64,1);transform:scale(1.1)}.station-pulse{animation:.4s ease-out station-ignite}@keyframes station-ignite{0%{filter:brightness();transform:scale(1)}50%{filter:brightness(2.5);transform:scale(1.3)}to{filter:brightness();transform:scale(1)}}.core-hit-pulse{animation:1.5s infinite alternate core-shimmer}@keyframes core-shimmer{0%{transform:scale(1)}to{transform:scale(1.12)}}.diag-sub-status{color:var(--text-secondary);margin-top:.4rem;font-size:.78rem;line-height:1.4}.sign-factor-count-toolbar{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#ffffff0a;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;padding:.9rem 1.25rem;display:flex}.count-stepper-box{align-items:center;gap:.75rem;display:flex}.stepper-label{color:var(--cyan-accent);font-size:.9rem;font-weight:800}.btn-stepper{border:1px solid var(--indigo-light);color:#fff;background:#6366f133;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:all .2s;display:flex}.btn-stepper:hover:not(:disabled){background:var(--indigo-primary);transform:scale(1.1)}.btn-stepper:disabled{opacity:.35;cursor:not-allowed;border-color:#0000}.stepper-number{color:var(--text-white);text-align:center;min-width:65px;font-size:1.25rem;font-weight:900}.stepper-unit{color:var(--text-muted);font-size:.8rem;font-weight:700}.quick-count-presets{flex-wrap:wrap;gap:.4rem;display:flex}.preset-count-btn{border:1px solid var(--border-subtle);color:var(--text-secondary);border-radius:var(--radius-sm);background:#ffffff0f;padding:.35rem .7rem;font-size:.8rem;font-weight:700;transition:all .2s}.preset-count-btn:hover{color:#fff;background:#ffffff1f}.preset-count-btn.active{background:var(--indigo-primary);color:#fff;border-color:var(--indigo-primary);box-shadow:0 0 12px #6366f166}.sign-pattern-toolbar{flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:1.25rem;display:flex}.factor-actions{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.pattern-label{color:var(--text-secondary);font-size:.85rem;font-weight:800}.pattern-btn{border-radius:var(--radius-sm);align-items:center;gap:.3rem;padding:.4rem .8rem;font-size:.82rem;font-weight:700;transition:all .2s;display:flex}.btn-all-neg{color:#fda4af;background:#f43f5e26;border:1px solid #f43f5e59}.btn-all-neg:hover{background:var(--rose-danger);color:#fff}.btn-all-pos{color:#6ee7b7;background:#10b98126;border:1px solid #10b98159}.btn-all-pos:hover{background:var(--emerald-success);color:#fff}.btn-alt{color:#67e8f9;background:#06b6d426;border:1px solid #06b6d459}.btn-alt:hover{background:var(--cyan-accent);color:#fff}.btn-random{border:1px solid var(--border-subtle);color:var(--text-primary);background:#ffffff14;margin-left:auto}.btn-random:hover{background:#ffffff29}.sign-formula-banner{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#00000073;margin-bottom:1.5rem;padding:1.25rem 1.5rem;overflow:hidden}.formula-scroll-container{text-align:center;padding-bottom:.4rem;overflow-x:auto}.formula-box{white-space:nowrap;font-size:1.5rem;font-weight:900;display:inline-block}.factors-interactive-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.75rem;margin-bottom:2rem;transition:all .3s;display:flex}.factors-interactive-row.dense-row{gap:.5rem}.factor-card{border-radius:var(--radius-lg);cursor:pointer;border:2px solid #0000;flex-direction:column;justify-content:center;align-items:center;width:82px;height:104px;transition:all .25s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative;box-shadow:0 8px 20px #0006}.factor-card.factor-compact{width:68px;height:90px}.card-top-index{color:#ffffff80;font-family:JetBrains Mono,monospace;font-size:.65rem;font-weight:800;position:absolute;top:4px;left:6px}.factor-card:hover{transform:translateY(-4px)scale(1.05)}.factor-pos{background:linear-gradient(135deg,#065f46 0%,#047857 100%);border-color:#34d399}.factor-neg{background:linear-gradient(135deg,#881337 0%,#be123c 100%);border-color:#fb7185}.card-badge-sign{text-transform:uppercase;color:#fffc;font-size:.7rem;font-weight:800}.card-factor-val{color:#fff;margin:.2rem 0;font-size:2rem;font-weight:900}.card-click-tip{color:#fff9;font-size:.65rem}.mult-symbol{color:var(--text-muted);font-size:1.8rem;font-weight:900}.rule-diagnostic-grid{grid-template-columns:1fr 1fr;gap:1.2rem;margin-bottom:1.5rem;display:grid}.diag-card{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);text-align:center;background:#0000004d;padding:1.25rem}.diag-title{color:var(--text-muted);margin-bottom:.4rem;font-size:.85rem;font-weight:700}.diag-big-num{color:#fff;font-size:2rem;font-weight:900}.diag-unit{color:var(--text-secondary);font-size:1rem}.diag-state{border-radius:999px;margin-top:.5rem;padding:.2rem .6rem;font-size:.85rem;font-weight:800;display:inline-block}.odd-state{color:#fda4af;background:#f43f5e26}.even-state{color:#6ee7b7;background:#10b98126}.diag-big-sign{margin:.4rem 0;font-size:1.6rem;font-weight:900}.sign-minus{color:var(--rose-danger)}.sign-plus{color:var(--emerald-success)}.diag-desc{color:var(--text-secondary);font-size:.82rem}.operator-precedence-card{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#ffffff0a;padding:1.25rem}.prec-steps{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin-top:1rem;display:flex}.prec-step{border-radius:var(--radius-md);background:#0000004d;flex-direction:column;flex:1;align-items:center;min-width:140px;padding:.75rem 1rem;display:flex}.step-badge{background:var(--indigo-primary);color:#fff;border-radius:999px;margin-bottom:.3rem;padding:.1rem .45rem;font-size:.7rem;font-weight:800}.step-name{color:#fff;font-size:.95rem;font-weight:800}.step-example{color:var(--text-muted);font-size:.75rem}.prec-arrow{color:var(--text-muted);font-weight:900}.preset-gallery{margin-bottom:1.5rem}.preset-gallery-title{color:var(--text-secondary);margin-bottom:.6rem;font-size:.85rem;font-weight:700}.preset-cards-scroll{gap:.6rem;padding-bottom:.5rem;display:flex;overflow-x:auto}.scale-preset-btn{border:1px solid var(--border-subtle);border-radius:var(--radius-md);text-align:left;background:#ffffff0d;flex-direction:column;align-items:flex-start;min-width:130px;padding:.6rem .8rem;display:flex}.scale-preset-btn.active{border-color:var(--indigo-light);background:#6366f133}.preset-name{color:#fff;margin:.2rem 0;font-size:.8rem;font-weight:800}.preset-exp{color:var(--cyan-accent);font-family:JetBrains Mono,monospace;font-size:.75rem}.sci-main-banner{border:1px solid var(--border-subtle);border-radius:var(--radius-xl);text-align:center;background:#0006;margin-bottom:1.5rem;padding:1.5rem}.sci-latex{margin-bottom:.5rem;font-size:2rem;font-weight:900}.sci-decimal-equiv{color:var(--text-secondary);font-size:1rem}.decimal-highlight{color:var(--cyan-accent);font-family:JetBrains Mono,monospace;font-weight:800}.sci-rule-validator{border-radius:999px;margin-top:1rem;padding:.4rem .9rem;font-size:.85rem;font-weight:700;display:inline-block}.validator-msg{align-items:center;gap:.4rem;display:flex}.sci-sliders-grid{border-radius:var(--radius-lg);background:#ffffff0a;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem;padding:1.5rem;display:grid}.slider-meta{justify-content:space-between;margin-bottom:.5rem;font-size:.88rem;display:flex}.slider-rule{color:var(--text-muted);font-size:.78rem}.sci-insight-box{border-radius:var(--radius-md);background:#06b6d414;border:1px solid #06b6d433;padding:1rem;font-size:.9rem}.balance-equation-banner{border-radius:var(--radius-lg);text-align:center;background:#0006;margin-bottom:1rem;padding:1.25rem}.equation-current{font-size:1.6rem;font-weight:900}.solved-badge{color:var(--emerald-success);background:#10b98133;border-radius:999px;align-items:center;gap:.4rem;margin-top:.5rem;padding:.3rem .8rem;font-size:.9rem;font-weight:800;display:inline-flex}.svg-balance-wrapper{border:1px solid var(--border-subtle);border-radius:var(--radius-xl);background:#0b0f19e6;margin-bottom:1.2rem;padding:1rem}.balance-scale-svg{width:100%;max-height:250px;display:block}.axiom-action-bar{border-radius:var(--radius-lg);background:#ffffff0a;margin-bottom:1rem;padding:1.2rem}.axiom-title{margin-bottom:.75rem;font-size:.95rem;font-weight:800}.axiom-buttons{flex-wrap:wrap;gap:.75rem;display:flex}.btn-axiom{background:var(--indigo-primary);color:#fff;border-radius:var(--radius-md);align-items:center;gap:.4rem;padding:.6rem 1.1rem;font-size:.9rem;font-weight:700;display:flex}.btn-axiom-reset{color:var(--text-secondary);border-radius:var(--radius-md);background:#ffffff14;align-items:center;gap:.35rem;margin-left:auto;padding:.6rem .9rem;font-weight:700;display:flex}.balance-insight-card{border-radius:var(--radius-md);background:#6366f114;border:1px solid #6366f133;padding:1rem;font-size:.9rem}.sieve-controls{flex-wrap:wrap;align-items:center;gap:.6rem;margin-bottom:1.2rem;display:flex}.sieve-prompt{color:var(--text-secondary);font-size:.85rem;font-weight:700}.btn-sieve-step{border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:var(--radius-sm);background:#ffffff0f;padding:.4rem .8rem;font-size:.85rem;font-weight:700}.btn-sieve-step.applied{background:var(--indigo-primary);color:#fff}.btn-sieve-reset{color:var(--text-secondary);border-radius:var(--radius-sm);background:#ffffff14;align-items:center;gap:.35rem;margin-left:auto;padding:.4rem .8rem;font-size:.82rem;display:flex}.sieve-grid-50{grid-template-columns:repeat(10,1fr);gap:.4rem;margin-bottom:1.5rem;display:grid}.grid-num-tile{aspect-ratio:1;border-radius:var(--radius-sm);background:#ffffff0d;flex-direction:column;justify-content:center;align-items:center;font-size:.95rem;font-weight:800;transition:all .3s;display:flex;position:relative}.tile-one{opacity:.3;background:#334155}.tile-eliminated{opacity:.2;background:#1e293b;text-decoration:line-through}.tile-prime-gold{color:#fff;background:linear-gradient(135deg,#f59e0b 0%,#d97706 100%);transform:scale(1.05);box-shadow:0 0 12px #f59e0b80}.tile-tag{color:#94a3b8;font-size:.55rem}.tile-tag-prime{color:#fef3c7;font-size:.55rem;font-weight:900}.sieve-insight-box{border-radius:var(--radius-md);background:#f59e0b14;border:1px solid #f59e0b33;padding:1rem;font-size:.9rem}.card-snap-quiz-container{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:2rem}.quiz-header{justify-content:space-between;align-items:center;margin-bottom:1.25rem;display:flex}.quiz-badge{color:var(--indigo-light);background:#6366f133;border-radius:999px;padding:.25rem .75rem;font-size:.8rem;font-weight:800}.quiz-hint-btn{color:#fcd34d;background:#f59e0b26;border-radius:999px;align-items:center;gap:.35rem;padding:.35rem .75rem;font-size:.8rem;font-weight:700;display:flex}.quiz-question-box{margin-bottom:1.5rem}.quiz-title{color:var(--text-white);margin-bottom:.5rem;font-size:1.15rem;font-weight:800}.quiz-math-prompt{color:var(--text-primary);font-size:1.2rem;line-height:1.6}.quiz-hint-box{border-radius:var(--radius-md);color:#fde68a;background:#f59e0b1a;border:1px dashed #f59e0b66;align-items:flex-start;gap:.6rem;margin-bottom:1.5rem;padding:.85rem;font-size:.88rem;display:flex}.magnetic-slot-area{border-radius:var(--radius-lg);text-align:center;background:#0006;border:2px dashed #ffffff1f;margin-bottom:1.8rem;padding:1.8rem}.slot-instruction{color:var(--text-muted);margin-bottom:1rem;font-size:.85rem;font-weight:600}.slot-equation-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.8rem;font-size:1.8rem;font-weight:900;display:flex}.equation-text{color:var(--text-white)}.magnetic-slot{border-radius:var(--radius-md);cursor:pointer;background:#ffffff0d;border:2px dashed #64748b;justify-content:center;align-items:center;min-width:80px;height:64px;padding:0 .5rem;transition:all .25s cubic-bezier(.34,1.56,.64,1);display:inline-flex;position:relative}.magnetic-slot.has-card{border-style:solid;border-color:var(--indigo-primary);background:#6366f126}.magnetic-slot.correct-glow{border-color:var(--emerald-success);box-shadow:var(--shadow-glow-emerald)}.magnetic-slot.wrong-glow{border-color:var(--rose-danger);box-shadow:0 0 25px #f43f5e4d}.slot-placeholder{color:#64748b;font-size:1.4rem;font-weight:900}.slotted-card{color:#fff;border-radius:var(--radius-sm);background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);align-items:center;gap:.4rem;padding:.4rem 1rem;font-size:1.5rem;font-weight:900;display:flex;box-shadow:0 4px 12px #0000004d}.unslot-x{color:#fff9;margin-left:.2rem;font-size:1.1rem}.cards-pool-section{margin-bottom:2rem}.pool-label{color:var(--text-secondary);margin-bottom:.75rem;font-size:.85rem;font-weight:700}.cards-grid{flex-wrap:wrap;justify-content:center;gap:.85rem;display:flex}.math-card{border-radius:var(--radius-md);color:#fff;background:#ffffff14;border:1px solid #ffffff26;flex-direction:column;justify-content:center;align-items:center;min-width:72px;height:60px;padding:.4rem .8rem;transition:all .2s cubic-bezier(.34,1.56,.64,1);display:flex;box-shadow:0 4px 12px #0003}.math-card:hover:not(:disabled){border-color:var(--indigo-light);box-shadow:var(--shadow-glow-indigo);background:#ffffff24;transform:translateY(-4px)scale(1.05)}.math-card.card-placed{opacity:.4;border-style:dashed;transform:scale(.95)}.card-value{font-family:JetBrains Mono,monospace;font-size:1.35rem;font-weight:900}.placed-indicator{color:var(--text-muted);font-size:.65rem}.btn-check-answer{border-radius:var(--radius-lg);color:#fff;width:100%;box-shadow:var(--shadow-glow-indigo);background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);padding:1rem;font-size:1.1rem;font-weight:800}.btn-check-answer:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.feedback-result{border-radius:var(--radius-lg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem;display:flex}.feedback-result.success{border:1px solid var(--emerald-success);background:#10b98126}.feedback-result.error{border:1px solid var(--rose-danger);background:#f43f5e26}.feedback-text{flex:1;align-items:flex-start;gap:.75rem;display:flex}.success-icon{color:var(--emerald-success);margin-top:.2rem}.error-icon{color:var(--rose-danger);margin-top:.2rem}.explanation-text{color:var(--text-primary);margin-top:.25rem;font-size:.88rem}.btn-next-question{background:var(--emerald-success);color:#fff;border-radius:var(--radius-md);align-items:center;gap:.4rem;padding:.75rem 1.4rem;font-size:.95rem;font-weight:800;display:flex}.error-actions{gap:.6rem;display:flex}.btn-retry{color:#fff;border-radius:var(--radius-md);background:#ffffff1a;align-items:center;gap:.35rem;padding:.6rem 1rem;font-size:.85rem;font-weight:700;display:flex}.btn-skip{color:var(--text-secondary);background:0 0;align-items:center;gap:.35rem;padding:.6rem .8rem;font-size:.85rem;display:flex}.unit-completed-celebration{text-align:center;padding:3rem 1rem}.celebration-trophy{margin-bottom:1rem;font-size:4rem;animation:1.5s infinite bounce-trophy}@keyframes bounce-trophy{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.celebration-title{color:#fff;margin-bottom:.5rem;font-size:1.8rem;font-weight:900}.celebration-desc{color:var(--text-secondary);margin-bottom:2rem}.reward-badges-row{justify-content:center;gap:1.5rem;margin-bottom:2.5rem;display:flex}.reward-badge{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#ffffff0f;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-size:1rem;font-weight:800;display:flex}.star-gold{color:#f59e0b;fill:#f59e0b}.xp-lightning{color:#818cf8}.celebration-buttons{justify-content:center;gap:1rem;display:flex}.btn-replay-quiz{color:#fff;border-radius:var(--radius-lg);background:#ffffff14;padding:.8rem 1.5rem;font-weight:700}.btn-finish-next{color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-glow-indigo);background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);padding:.8rem 1.8rem;font-weight:800}.modal-backdrop{z-index:200;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000bf;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal-container{border-radius:var(--radius-xl);background:#111827;border:1px solid #ffffff1f;flex-direction:column;width:100%;max-width:650px;max-height:85vh;display:flex;overflow:hidden;box-shadow:0 25px 50px -12px #000000b3}.modal-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.modal-title-row{align-items:center;gap:.6rem;display:flex}.modal-icon{color:var(--rose-danger)}.modal-title{color:#fff;font-size:1.15rem;font-weight:800}.btn-close-modal{color:var(--text-muted);background:0 0}.btn-close-modal:hover{color:#fff}.modal-body{flex:1;padding:1.5rem;overflow-y:auto}.empty-mistakes{text-align:center;padding:2.5rem 1rem}.empty-icon{margin-bottom:.5rem;font-size:3rem}.mistakes-list{flex-direction:column;gap:1rem;display:flex}.mistake-item-card{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#ffffff08;padding:1.25rem}.mistake-meta{justify-content:space-between;align-items:center;margin-bottom:.5rem;display:flex}.mistake-unit-tag{color:var(--cyan-accent);font-size:.75rem;font-weight:700}.btn-remove-mistake{color:#6ee7b7;background:#10b98126;border-radius:999px;align-items:center;gap:.3rem;padding:.25rem .6rem;font-size:.75rem;font-weight:700;display:flex}.mistake-q-title{color:#fff;margin-bottom:.5rem;font-size:1rem;font-weight:800}.mistake-latex{margin-bottom:.75rem;font-size:1.1rem}.mistake-explanation-box{border-radius:var(--radius-md);background:#00000059;padding:.85rem;font-size:.85rem}.correct-answer-tag{color:var(--emerald-success);margin-top:.5rem;font-size:.85rem}.correct-answer-tag code{background:#10b98133;border-radius:4px;padding:.1rem .4rem}.modal-footer{border-top:1px solid var(--border-subtle);justify-content:flex-end;padding:1rem 1.5rem;display:flex}.btn-clear-all{color:#fda4af;border-radius:var(--radius-md);background:#f43f5e26;align-items:center;gap:.35rem;padding:.5rem 1rem;font-size:.85rem;font-weight:700;display:flex}.monster-match-container{flex-direction:column;gap:1.25rem;display:flex}.btn-start-matchmaking{color:#fff;border-radius:var(--radius-md);background:linear-gradient(135deg,#ec4899 0%,#f43f5e 100%);align-items:center;gap:.5rem;margin-left:auto;padding:.6rem 1.2rem;font-size:.9rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 0 18px #ec489966}.btn-start-matchmaking:hover{filter:brightness(1.15);transform:translateY(-2px);box-shadow:0 0 24px #f43f5e99}.heart-icon-beat{animation:1.2s infinite heart-beat}@keyframes heart-beat{0%,to{transform:scale(1)}50%{transform:scale(1.3)}}.btn-reset-matchmaking{color:#fff;border-radius:var(--radius-md);background:#ffffff1a;align-items:center;gap:.4rem;margin-left:auto;padding:.6rem 1rem;font-size:.85rem;font-weight:700;display:flex}.monster-stage-arena{border-radius:var(--radius-xl);background:#090e1a;border:1px solid #ec489940;min-height:240px;padding:1.5rem;box-shadow:inset 0 0 40px #000000b3}.arena-header-banner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:1.5rem;font-size:.85rem;display:flex}.arena-guide{color:var(--text-secondary)}.arena-counter strong{color:var(--rose-danger);font-size:1.1rem}.monsters-lineup-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.8rem;padding:1rem 0;display:flex}.monster-character-card{border-radius:var(--radius-lg);cursor:pointer;flex-direction:column;justify-content:space-between;align-items:center;width:90px;height:140px;padding:.6rem .4rem;transition:all .25s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative;box-shadow:0 8px 20px #0006}.monster-character-card:hover{transform:translateY(-6px)scale(1.06)}.card-neg-monster{background:linear-gradient(135deg,#881337 0%,#be123c 100%);border:2px solid #fb7185;box-shadow:0 0 15px #e11d4859}.card-pos-spirit{background:linear-gradient(135deg,#065f46 0%,#047857 100%);border:2px solid #34d399;box-shadow:0 0 15px #10b98159}.char-badge-tag{color:#ffffff80;font-family:JetBrains Mono,monospace;font-size:.65rem;font-weight:800;position:absolute;top:4px;left:6px}.char-avatar-box{flex-direction:column;align-items:center;margin-top:.5rem;display:flex}.monster-face,.spirit-face{flex-direction:column;align-items:center;font-size:1.2rem;display:flex}.char-belly-sign{color:#fff;margin:.2rem 0;font-family:JetBrains Mono,monospace;font-size:1.5rem;font-weight:900}.char-status-text{color:#ffffffe6;font-size:.7rem;font-weight:800}.char-click-hint{color:#ffffff80;font-size:.6rem}.matchmaking-results-stage{flex-direction:column;gap:1.5rem;display:flex}.non-negative-group{border-radius:var(--radius-md);background:#10b98114;border:1px dashed #10b9814d;padding:.75rem 1rem}.group-title{color:var(--text-primary);margin-bottom:.5rem;font-size:.85rem;font-weight:800}.group-monsters-list{flex-wrap:wrap;gap:.5rem;display:flex}.small-pos-token{background:var(--emerald-success);color:#fff;border-radius:var(--radius-sm);padding:.2rem .6rem;font-size:.85rem;font-weight:800}.couples-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:.75rem;display:grid}.fused-couple-card{border:1px solid var(--emerald-success);border-radius:var(--radius-lg);text-align:center;background:#10b9811f;padding:1rem;box-shadow:0 0 20px #10b98126}.couple-badge{color:#a7f3d0;margin-bottom:.5rem;font-size:.75rem;font-weight:800}.couple-fusion-display{justify-content:center;align-items:center;gap:.4rem;margin-bottom:.5rem;display:flex}.mini-neg-chip{color:#fff;border-radius:var(--radius-sm);background:#be123c;padding:.2rem .5rem;font-size:.9rem;font-weight:800}.fusion-cross{color:var(--text-muted);font-weight:900}.fusion-arrow{color:var(--cyan-accent);font-weight:900}.fused-super-pos{color:#fff;border-radius:var(--radius-md);background:#059669;align-items:center;gap:.2rem;padding:.25rem .6rem;display:flex;box-shadow:0 0 12px #10b98166}.fused-val{font-size:1.1rem;font-weight:900}.couple-rule-tag{color:var(--cyan-accent);font-size:.75rem;font-weight:800}.empty-pairs-hint{color:var(--text-muted);padding:.5rem 0;font-size:.85rem}.lonely-monster-spotlight{border:2px dashed var(--rose-danger);border-radius:var(--radius-xl);text-align:center;background:radial-gradient(circle at 50% 30%,#f43f5e40 0%,#00000080 70%);padding:1.5rem}.lonely-card{max-width:480px;margin:0 auto}.lonely-badge{color:#fda4af;background:#f43f5e33;border-radius:999px;margin-bottom:.75rem;padding:.3rem .8rem;font-size:.85rem;font-weight:800;display:inline-block}.lonely-avatar{margin:.5rem 0}.lonely-tears{font-size:1.6rem}.lonely-monster-body{color:#fff;background:#be123c;border:3px solid #fb7185;border-radius:50%;justify-content:center;align-items:center;width:70px;height:70px;font-size:1.4rem;font-weight:900;display:inline-flex;box-shadow:0 0 25px #f43f5e80}.lonely-warning{color:#fecdd3;margin-top:.75rem;font-size:.92rem;line-height:1.5}.perfect-match-banner{border:1px solid var(--emerald-success);border-radius:var(--radius-xl);text-align:center;background:linear-gradient(135deg,#10b98133 0%,#06b6d433 100%);padding:1.5rem}.perfect-trophy{margin-bottom:.3rem;font-size:2.5rem}.perfect-match-banner h4{color:#6ee7b7;margin-bottom:.4rem;font-size:1.3rem;font-weight:900}.perfect-match-banner p{color:var(--text-primary);max-width:550px;margin:0 auto;font-size:.9rem}.space-odyssey-wrapper{flex-direction:column;gap:1.25rem;animation:.3s ease-out fadeIn;display:flex}.space-arena-card{border-radius:var(--radius-xl);background:radial-gradient(circle at 50% 20%,#0d1527 0%,#060913 100%);border:1px solid #38bdf840;padding:1.5rem;position:relative;overflow:hidden;box-shadow:0 16px 40px -10px #0009,inset 0 0 60px #0ea5e90d}.space-arena-header{border-bottom:1px solid #ffffff14;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;display:flex}.arena-title-group{flex-direction:column;gap:.35rem;display:flex}.arena-badge{color:#38bdf8;letter-spacing:.5px;font-size:1.05rem;font-weight:800}.arena-subtitle{color:var(--text-secondary);font-size:.85rem}.arena-subtitle strong{color:#f43f5e}.space-cockpit-hud{flex-wrap:wrap;align-items:center;gap:.85rem;display:flex}.hud-compass-chip{border-radius:var(--radius-full);border:1px solid #0000;align-items:center;gap:.5rem;padding:.45rem .9rem;font-size:.82rem;font-weight:700;transition:all .3s;display:flex}.hud-compass-chip.heading-pos{color:#34d399;background:#10b98126;border-color:#10b98166}.hud-compass-chip.heading-neg{color:#fb7185;background:#f43f5e2e;border-color:#f43f5e66}.compass-icon{transition:transform .4s cubic-bezier(.34,1.56,.64,1)}.compass-icon.spin-180{transform:rotate(180deg)}.hud-turn-counter{border-radius:var(--radius-full);color:var(--text-secondary);background:#ffffff0d;border:1px solid #ffffff1a;padding:.45rem .85rem;font-size:.82rem}.hud-turn-counter strong{margin-left:.25rem;font-weight:800}.text-cyan{color:#38bdf8!important}.text-crimson{color:#fb7185!important}.space-runway-container{border-radius:var(--radius-lg);background:linear-gradient(#080e1eb3 0%,#030712e6 100%);border:1px solid #ffffff14;justify-content:space-between;align-items:center;gap:1rem;min-height:220px;padding:1.5rem 1rem;display:flex;position:relative;overflow:auto hidden}.space-stars-layer{opacity:.45;pointer-events:none;background-image:radial-gradient(1px 1px at 20px 30px,#fff,#0000),radial-gradient(1.5px 1.5px at 100px 70px,#7dd3fc,#0000),radial-gradient(1px 1px at 180px 140px,#fff,#0000),radial-gradient(1.5px 1.5px at 280px 40px,#38bdf8,#0000),radial-gradient(1px 1px at 360px 180px,#fff,#0000),radial-gradient(1.5px 1.5px at 450px 90px,#818cf8,#0000),radial-gradient(1px 1px at 560px 50px,#fff,#0000),radial-gradient(1.5px 1.5px at 670px 130px,#38bdf8,#0000);background-repeat:repeat;background-size:700px 220px;position:absolute;inset:0}.space-track-line{pointer-events:none;z-index:1;background:linear-gradient(90deg,#38bdf899 0%,#818cf899 50%,#f43f5e99 100%);height:3px;position:absolute;top:50%;left:2rem;right:2rem;transform:translateY(-50%);box-shadow:0 0 12px #38bdf866}.space-station{z-index:2;flex-direction:column;align-items:center;gap:.35rem;min-width:100px;padding:.75rem;display:flex;position:relative}.station-icon{filter:drop-shadow(0 0 10px #38bdf8b3);font-size:1.8rem}.station-label{color:#7dd3fc;font-size:.8rem;font-weight:800}.station-hint{color:var(--text-muted);font-size:.7rem}.stargates-flex-track{z-index:2;flex:1;justify-content:center;align-items:center;gap:1.25rem;padding:0 .5rem;display:flex}.stargate-slot{cursor:pointer;border-radius:var(--radius-lg);-webkit-user-select:none;user-select:none;background:#0f172a99;border:1px solid #ffffff14;flex-direction:column;align-items:center;gap:.4rem;min-width:65px;padding:.5rem;transition:all .25s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative}.stargate-slot:hover{border-color:#ffffff40;transform:translateY(-4px)scale(1.05);box-shadow:0 8px 20px #0006}.gate-number-badge{color:var(--text-muted);font-size:.68rem;font-weight:800}.gate-warp-portal{border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;transition:all .3s;display:flex;position:relative}.gate-positive .gate-warp-portal{background:radial-gradient(circle,#0ea5e94d 0%,#0284c71a 70%);border:2px solid #38bdf8;box-shadow:0 0 16px #38bdf866,inset 0 0 10px #38bdf84d}.gate-negative .gate-warp-portal{background:radial-gradient(circle,#e11d484d 0%,#9f12391a 70%);border:2px dashed #f43f5e;box-shadow:0 0 16px #f43f5e80,inset 0 0 10px #f43f5e4d}.portal-vortex{opacity:.6;border-radius:50%;animation:4s linear infinite vortexSpin;position:absolute;inset:2px}.gate-negative .portal-vortex{animation:2.5s linear infinite vortexSpinReverse}@keyframes vortexSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes vortexSpinReverse{0%{transform:rotate(360deg)}to{transform:rotate(0)}}.portal-center-icon{z-index:1;font-size:1.25rem}.gate-val-pill{border-radius:var(--radius-full);padding:.2rem .5rem;font-size:.85rem;font-weight:800}.gate-positive .gate-val-pill{color:#7dd3fc;background:#38bdf833;border:1px solid #38bdf866}.gate-negative .gate-val-pill{color:#fda4af;background:#f43f5e33;border:1px solid #f43f5e66}.gate-action-desc{font-size:.65rem;font-weight:700}.desc-flip{color:#fb7185}.desc-straight{color:#38bdf8}.gate-active-pulse{z-index:5;transform:scale(1.18)}.gate-positive.gate-active-pulse{box-shadow:0 0 25px #38bdf8cc}.gate-negative.gate-active-pulse{box-shadow:0 0 25px #f43f5ee6}.passing-bubble{white-space:nowrap;border-radius:var(--radius-full);z-index:10;padding:.25rem .6rem;font-size:.72rem;font-weight:800;animation:.2s ease-out pop;position:absolute;top:-32px}.bubble-flip{color:#fff;background:#f43f5e;box-shadow:0 4px 12px #f43f5e80}.bubble-straight{color:#fff;background:#0284c7;box-shadow:0 4px 12px #0284c780}.space-destination-cluster{z-index:2;flex-direction:column;gap:.6rem;min-width:140px;display:flex}.dest-station{border-radius:var(--radius-md);text-align:center;background:#0f172ab3;border:1px solid #ffffff1a;flex-direction:column;align-items:center;gap:.2rem;padding:.6rem .8rem;transition:all .3s;display:flex;position:relative}.dest-positive{border-color:#10b98140}.dest-negative{border-color:#f43f5e40}.dest-icon{font-size:1.4rem}.dest-title{color:#fff;font-size:.78rem;font-weight:800}.dest-tag{color:var(--text-muted);font-size:.68rem}.dest-winner{background:radial-gradient(circle,#10b9814d 0%,#0596691a 100%);border-color:#10b981;transform:scale(1.05);box-shadow:0 0 20px #10b98199}.dest-hazard{background:radial-gradient(circle,#e11d484d 0%,#9f12391a 100%);border-color:#f43f5e;transform:scale(1.05);box-shadow:0 0 20px #f43f5e99}.arrival-badge{border-radius:var(--radius-full);align-items:center;gap:.3rem;margin-top:.25rem;padding:.2rem .5rem;font-size:.7rem;font-weight:800;display:flex}.badge-green{color:#fff;background:#10b981}.cruising-spaceship-sprite{z-index:15;pointer-events:none;flex-direction:column;align-items:center;transition:left .6s cubic-bezier(.25,1,.5,1),top .5s ease-out,transform .4s cubic-bezier(.34,1.56,.64,1);display:flex;position:absolute;top:50%;transform:translateY(-50%)}.cruising-spaceship-sprite.ship-facing-forward{transform:translateY(-50%)rotate(0)}.cruising-spaceship-sprite.ship-facing-backward{transform:translateY(-50%)rotate(180deg)}.ship-body{filter:drop-shadow(0 0 12px #38bdf8);font-size:2.2rem}.ship-thrust-flame{background:linear-gradient(#38bdf8 0%,#818cf8 50%,#0000 100%);border-radius:50%;width:12px;height:20px;margin-top:-6px;animation:.15s infinite alternate thrustFlicker}@keyframes thrustFlicker{0%{opacity:.8;transform:scaleY(.8)scaleX(.9)}to{opacity:1;transform:scaleY(1.3)scaleX(1.1)}}.ship-tag{border-radius:var(--radius-full);color:#fff;white-space:nowrap;background:#000c;border:1px solid #fff3;margin-top:.2rem;padding:.15rem .4rem;font-size:.65rem;font-weight:800}.ship-facing-backward .ship-tag{color:#fda4af;border-color:#f43f5e;transform:rotate(180deg)}.space-flight-controls{flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:1.5rem;display:flex}.btn-flight-launch{color:#fff;border-radius:var(--radius-lg);cursor:pointer;background:linear-gradient(135deg,#0284c7 0%,#4f46e5 100%);border:1px solid #fff3;align-items:center;gap:.5rem;padding:.75rem 1.75rem;font-size:.95rem;font-weight:800;transition:all .25s;display:flex;box-shadow:0 4px 16px #0284c766}.btn-flight-launch:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 6px 24px #4f46e599}.btn-flight-launch:disabled{opacity:.6;cursor:not-allowed}.btn-flight-reset{color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;background:#ffffff0f;align-items:center;gap:.4rem;padding:.75rem 1.25rem;font-size:.9rem;font-weight:700;transition:all .2s;display:flex}.btn-flight-reset:hover:not(:disabled){color:#fff;background:#ffffff1f}.cruise-result-banner{border-radius:var(--radius-lg);align-items:center;gap:1.25rem;margin-top:1.25rem;padding:1.25rem 1.5rem;animation:.3s cubic-bezier(.34,1.56,.64,1) slideUp;display:flex}.banner-win{background:linear-gradient(135deg,#064e3b99 0%,#065f464d 100%);border:1px solid #10b981;box-shadow:0 8px 30px #10b98140}.banner-hazard{background:linear-gradient(135deg,#88133799 0%,#9f12394d 100%);border:1px solid #f43f5e;box-shadow:0 8px 30px #f43f5e40}.cruise-result-banner .banner-icon{font-size:2.2rem}.cruise-result-banner .banner-info h4{margin-bottom:.3rem;font-size:1.1rem;font-weight:800}.banner-win .banner-info h4{color:#6ee7b7}.banner-hazard .banner-info h4{color:#fca5a5}.cruise-result-banner .banner-info p{color:var(--text-primary);font-size:.88rem;line-height:1.5}.bomb-lab-wrapper{flex-direction:column;gap:1.25rem;animation:.3s ease-out fadeIn;display:flex}.bomb-mode-bar{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#ffffff08;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1rem;display:flex}.mode-switch-group{flex-wrap:wrap;gap:.5rem;display:flex}.mode-btn{border-radius:var(--radius-md);border:1px solid var(--border-subtle);color:var(--text-secondary);cursor:pointer;background:#ffffff0d;padding:.45rem .95rem;font-size:.84rem;font-weight:800;transition:all .2s}.mode-btn:hover{color:#fff;background:#ffffff1a}.mode-btn.active{color:#fff;background:linear-gradient(135deg,#ef4444 0%,#b91c1c 100%);border-color:#ef4444;box-shadow:0 0 16px #ef444466}.mission-progress-chips{align-items:center;gap:.65rem;display:flex}.chip-level{color:#fca5a5;border-radius:var(--radius-full);background:#ef444426;border:1px solid #ef44444d;padding:.3rem .75rem;font-size:.82rem;font-weight:800}.chip-score{color:#f59e0b;border-radius:var(--radius-full);background:#f59e0b26;border:1px solid #f59e0b4d;align-items:center;gap:.35rem;padding:.3rem .75rem;font-size:.82rem;font-weight:800;display:flex}.bomb-device-chassis{border-radius:var(--radius-xl);background:radial-gradient(circle at 50% 10%,#1f2937 0%,#0b0f19 100%);border:2px solid #374151;flex-direction:column;display:flex;position:relative;overflow:hidden;box-shadow:0 20px 50px #000c,inset 0 0 40px #000000e6}.bomb-top-hazard-strip{background:#111827;border-bottom:2px solid #374151;justify-content:space-between;align-items:center;padding:.5rem 1rem;display:flex}.hazard-stripes{opacity:.8;background:repeating-linear-gradient(-45deg,#f59e0b,#f59e0b 8px,#111827 8px 16px);border-radius:2px;width:60px;height:12px}.bomb-model-tag{letter-spacing:1.5px;color:#9ca3af;font-family:monospace;font-size:.78rem;font-weight:900}.bomb-digital-panel{border-bottom:1px solid #ffffff14;grid-template-columns:auto 1fr;align-items:center;gap:1.25rem;padding:1.25rem 1.5rem;display:grid}.bomb-timer-box{border-radius:var(--radius-md);background:#000;border:2px solid #27272a;flex-direction:column;align-items:center;padding:.65rem 1.2rem;display:flex;box-shadow:inset 0 0 15px #000c}.timer-label{letter-spacing:1px;color:#71717a;margin-bottom:.2rem;font-size:.65rem;font-weight:800}.digital-timer-display{letter-spacing:2px;text-shadow:0 0 12px;font-family:monospace;font-size:2rem;font-weight:900}.timer-normal{color:#10b981}.timer-warning{color:#f59e0b}.timer-critical{color:#ef4444;animation:.5s infinite alternate timerBlink}@keyframes timerBlink{0%{opacity:1;transform:scale(1)}to{opacity:.6;transform:scale(1.04)}}.circuit-status-monitor{border-radius:var(--radius-md);flex-direction:column;gap:.35rem;padding:.85rem 1.15rem;transition:all .3s;display:flex}.status-safe{background:#10b9811f;border:1px solid #10b98166}.status-danger{background:#ef444426;border:1px solid #ef444480;box-shadow:0 0 18px #ef444426}.status-header{color:var(--text-muted);letter-spacing:.5px;align-items:center;gap:.4rem;font-size:.72rem;font-weight:800;display:flex}.status-dot{background:currentColor;border-radius:50%;width:8px;height:8px}.status-safe .status-dot{background:#10b981;box-shadow:0 0 8px #10b981}.status-danger .status-dot{background:#ef4444;animation:.6s infinite alternate dotFlash;box-shadow:0 0 8px #ef4444}@keyframes dotFlash{0%{opacity:.4}to{opacity:1}}.status-main-text{color:#fff;align-items:center;gap:.5rem;font-size:1rem;font-weight:800;display:flex}.text-emerald{color:#10b981}.text-rose{color:#f43f5e}.status-sub-hint{color:var(--text-secondary);font-size:.78rem}.status-sub-hint strong{color:#fff}.detonators-wire-board{background:#090d16;border-bottom:1px solid #ffffff14;padding:2.25rem 1.5rem;position:relative;overflow-x:auto}.board-circuit-traces{opacity:.5;pointer-events:none;background-image:radial-gradient(#38bdf81f 1px,#0000 1px);background-size:16px 16px;position:absolute;inset:0}.wire-strand{pointer-events:none;height:3px;position:absolute;left:1rem;right:1rem}.wire-top{background:linear-gradient(90deg,#ef4444,#f59e0b,#10b981);top:18px;box-shadow:0 0 8px #ef444466}.wire-bottom{background:linear-gradient(90deg,#38bdf8,#818cf8,#c084fc);bottom:18px;box-shadow:0 0 8px #38bdf866}.detonators-row{z-index:2;justify-content:center;align-items:center;gap:1.25rem;padding:0 .5rem;display:flex;position:relative}.detonator-capsule{border-radius:var(--radius-lg);cursor:pointer;-webkit-user-select:none;user-select:none;background:#111827;border:1px solid #374151;flex-direction:column;align-items:center;gap:.35rem;min-width:68px;padding:.75rem .65rem;transition:all .25s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative}.detonator-capsule:hover{border-color:#ffffff4d;transform:translateY(-4px)scale(1.06);box-shadow:0 8px 24px #00000080}.capsule-positive{border-color:#10b98166;box-shadow:0 0 14px #10b98133}.capsule-negative{background:#181117;border-color:#ef444480;box-shadow:0 0 16px #ef444440}.capsule-pin{background:#d1d5db;border-radius:1px;width:6px;height:8px}.pin-top{margin-top:-12px}.pin-bottom{margin-bottom:-12px}.capsule-idx{color:var(--text-muted);font-size:.65rem;font-weight:800}.capsule-core{border-radius:var(--radius-sm);align-items:center;gap:.25rem;padding:.25rem .5rem;font-size:1.1rem;font-weight:900;display:flex}.capsule-positive .capsule-core{color:#34d399}.capsule-negative .capsule-core{color:#f87171}.capsule-polarity{border-radius:var(--radius-full);padding:.15rem .4rem;font-size:.68rem;font-weight:800}.capsule-positive .capsule-polarity{color:#6ee7b7;background:#10b98133}.capsule-negative .capsule-polarity{color:#fca5a5;background:#ef444433}.capsule-switch-hint{color:var(--text-muted);opacity:.7;font-size:.6rem}.bomb-action-cockpit{background:#0f1422;flex-direction:column;align-items:center;gap:1rem;padding:1.5rem;display:flex}.btn-start-defuse{color:#fff;border-radius:var(--radius-lg);cursor:pointer;background:linear-gradient(135deg,#ef4444 0%,#dc2626 100%);border:none;align-items:center;gap:.5rem;padding:.85rem 2rem;font-size:1.1rem;font-weight:900;transition:all .2s;display:flex;box-shadow:0 4px 20px #ef444480}.btn-start-defuse:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 8px 30px #ef4444b3}.btn-cut-wire{border-radius:var(--radius-xl);cursor:pointer;border:2px solid;align-items:center;gap:.75rem;padding:1rem 2.5rem;font-size:1.15rem;font-weight:900;transition:all .25s cubic-bezier(.34,1.56,.64,1);display:flex}.btn-cut-safe{color:#fff;background:linear-gradient(135deg,#10b981 0%,#059669 100%);border-color:#34d399;box-shadow:0 0 30px #10b98199}.btn-cut-safe:hover{transform:scale(1.04);box-shadow:0 0 40px #10b981cc}.btn-cut-danger{color:#fca5a5;background:linear-gradient(135deg,#7f1d1d 0%,#450a0a 100%);border-color:#ef4444;box-shadow:0 0 20px #ef44444d}.btn-cut-danger:hover{transform:scale(1.02);box-shadow:0 0 30px #ef444480}.defusal-celebration-banner,.defusal-explosion-banner{border-radius:var(--radius-lg);text-align:center;flex-direction:column;align-items:center;gap:.6rem;width:100%;max-width:650px;padding:1.25rem 1.75rem;animation:.3s cubic-bezier(.34,1.56,.64,1) slideUp;display:flex}.defusal-celebration-banner{background:linear-gradient(135deg,#064e3be6 0%,#047857cc 100%);border:2px solid #10b981;box-shadow:0 0 40px #10b98180}.defusal-explosion-banner{background:linear-gradient(135deg,#7f1d1de6 0%,#991b1bcc 100%);border:2px solid #ef4444;box-shadow:0 0 40px #ef444480}.banner-badge{letter-spacing:1px;font-size:1.3rem;font-weight:900}.defusal-celebration-banner .banner-badge{color:#6ee7b7}.defusal-explosion-banner .banner-badge{color:#fca5a5}.defusal-celebration-banner p,.defusal-explosion-banner p{color:var(--text-primary);font-size:.92rem;line-height:1.5}.banner-btns{margin-top:.4rem}.btn-banner-action{color:#111827;border-radius:var(--radius-md);cursor:pointer;background:#fff;border:none;align-items:center;gap:.4rem;padding:.65rem 1.4rem;font-size:.9rem;font-weight:900;transition:all .2s;display:flex}.btn-banner-action:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ffffff4d}.shake-explosion{animation:.6s cubic-bezier(.36,.07,.19,.97) both explodeShake}@keyframes explodeShake{10%,90%{transform:translate(-3px)}20%,80%{transform:translate(5px)}30%,50%,70%{transform:translate(-6px)}40%,60%{transform:translate(6px)}}.bomb-secrets-box{border-radius:var(--radius-lg);background:#ffffff08;border:1px dashed #f59e0b66;margin-top:1rem;padding:1rem 1.25rem}.secret-title{color:#fbbf24;align-items:center;gap:.4rem;margin-bottom:.5rem;font-size:.92rem;display:flex}.text-amber{color:#f59e0b}.secret-content{color:var(--text-secondary);font-size:.88rem;line-height:1.5}.secret-bullets{flex-direction:column;gap:.35rem;margin-top:.4rem;padding-left:1.25rem;display:flex}.secret-bullets strong{color:#fff}.hopper-lab-card,.gatekeeper-lab-card,.zeros-scanner-card{flex-direction:column;gap:1.25rem;animation:.3s ease-out fadeIn;display:flex}.hopper-header,.gk-header,.zeros-header{border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;padding-bottom:.85rem;display:flex}.hopper-title-group,.gk-title-group,.zeros-title-group{flex-direction:column;gap:.3rem;display:flex}.hopper-badge{color:#34d399;font-size:1.05rem;font-weight:800}.gk-badge{color:#818cf8;font-size:1.05rem;font-weight:800}.zeros-badge{color:#fbbf24;font-size:1.05rem;font-weight:800}.hopper-subtitle,.gk-subtitle,.zeros-subtitle{color:var(--text-secondary);font-size:.85rem}.hopper-presets-toolbar,.gk-presets-bar{border-radius:var(--radius-lg);border:1px solid var(--border-subtle);background:#ffffff08;flex-wrap:wrap;align-items:center;gap:.5rem;padding:.75rem 1rem;display:flex}.btn-hopper-preset{border:1px solid var(--border-subtle);color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;background:#ffffff0d;padding:.4rem .85rem;font-size:.82rem;font-weight:700;transition:all .2s}.btn-hopper-preset:hover{color:#fff;background:#ffffff1a}.btn-hopper-preset.active{color:#fff;background:linear-gradient(135deg,#059669 0%,#10b981 100%);border-color:#34d399;box-shadow:0 0 14px #10b98166}.hopper-stage-box{border-radius:var(--radius-xl);background:radial-gradient(circle at 50% 20%,#0d1e2e 0%,#060e17 100%);border:1px solid #34d39940;flex-direction:column;gap:1.25rem;padding:1.5rem;display:flex;box-shadow:0 16px 40px #00000080}.stage-meta-info{color:var(--text-secondary);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;font-size:.85rem;display:flex}.stage-meta-info strong{color:#fff}.stage-target-hint{color:#6ee7b7;font-weight:700}.digits-tiles-container{justify-content:center;align-items:center;gap:.5rem;padding:1.25rem .5rem;display:flex;overflow-x:auto}.digit-tile{border-radius:var(--radius-md);background:#111827;border:1px solid #374151;flex-direction:column;justify-content:center;align-items:center;min-width:48px;height:64px;transition:all .25s;display:flex;position:relative;box-shadow:0 4px 12px #0000004d}.tile-char{color:#fff;font-size:1.5rem;font-weight:900}.tile-pos-sub{color:#6b7280;font-size:.65rem;font-weight:700}.tile-dot{min-width:28px;box-shadow:none;background:0 0;border-color:#0000}.tile-dot .tile-char{color:#34d399;font-size:2.2rem;line-height:1}.tile-gold-anchor{background:radial-gradient(circle,#f59e0b33 0%,#111827 100%);border-color:#f59e0b;transform:scale(1.1);box-shadow:0 0 20px #f59e0b80}.hopper-tracker-panel{border-radius:var(--radius-lg);background:#0006;border:1px solid #ffffff14;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.25rem;padding:1rem 1.25rem;display:flex}.hopper-frog-avatar{align-items:center;gap:.75rem;display:flex}.frog-icon{filter:drop-shadow(0 0 10px #34d39999);font-size:2rem;animation:.8s ease-in-out infinite alternate frogHop}@keyframes frogHop{0%{transform:translateY(0)}to{transform:translateY(-6px)}}.frog-bubble{color:#a7f3d0;border-radius:var(--radius-full);background:#064e3b;border:1px solid #10b981;padding:.4rem .85rem;font-size:.85rem;font-weight:800}.hopper-stats-box{flex-wrap:wrap;gap:1rem;display:flex}.hopper-stats-box .stat-item{align-items:center;gap:.35rem;font-size:.85rem;display:flex}.hopper-stats-box .stat-label{color:var(--text-muted)}.hopper-controls-row{justify-content:center;gap:1rem;display:flex}.btn-start-hopper{color:#fff;border-radius:var(--radius-lg);cursor:pointer;background:linear-gradient(135deg,#059669 0%,#10b981 100%);border:1px solid #fff3;align-items:center;gap:.5rem;padding:.75rem 1.75rem;font-size:.95rem;font-weight:800;transition:all .25s;display:flex;box-shadow:0 4px 16px #10b98166}.btn-start-hopper:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 6px 24px #10b98199}.btn-reset-hopper{color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;background:#ffffff0f;align-items:center;gap:.4rem;padding:.75rem 1.25rem;font-size:.9rem;font-weight:700;transition:all .2s;display:flex}.btn-reset-hopper:hover:not(:disabled){color:#fff;background:#ffffff1f}.hopper-finished-card{border-radius:var(--radius-lg);text-align:center;background:linear-gradient(135deg,#064e3bb3 0%,#04785766 100%);border:1px solid #10b981;flex-direction:column;align-items:center;gap:.75rem;padding:1.25rem 1.5rem;animation:.3s cubic-bezier(.34,1.56,.64,1) slideUp;display:flex}.finished-header{align-items:center;gap:.5rem;display:flex}.finished-header h4{color:#6ee7b7;font-size:1.15rem;font-weight:800}.finished-formula{color:#fff;border-radius:var(--radius-md);background:#0000004d;padding:.5rem 1.25rem;font-size:1.4rem;font-weight:900}.finished-breakdown{flex-wrap:wrap;gap:1rem;display:flex}.breakdown-tag{color:var(--text-primary);border-radius:var(--radius-full);background:#ffffff14;padding:.3rem .75rem;font-size:.85rem}.hopper-rule-card{border-radius:var(--radius-lg);background:#ffffff08;border:1px dashed #f59e0b66;padding:1.15rem 1.25rem}.rule-title{color:#fbbf24;align-items:center;gap:.4rem;margin-bottom:.6rem;font-size:.92rem;display:flex}.rule-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.rule-col{border-radius:var(--radius-md);background:#00000040;border:1px solid #ffffff0f;padding:.85rem}.rule-col p{color:var(--text-secondary);margin-top:.4rem;font-size:.85rem;line-height:1.5}.col-badge{border-radius:var(--radius-full);padding:.2rem .5rem;font-size:.75rem;font-weight:800}.badge-blue{color:#7dd3fc;background:#38bdf833}.badge-red{color:#fca5a5;background:#f43f5e33}.gk-inspection-chassis{border-radius:var(--radius-xl);background:radial-gradient(circle at 50% 20%,#151a30 0%,#090c1a 100%);border:1px solid #818cf84d;flex-direction:column;gap:1.25rem;padding:1.5rem;display:flex;box-shadow:0 16px 40px #00000080}.gk-scanner-top{justify-content:space-between;align-items:center;display:flex}.scanner-label{letter-spacing:1px;color:#9ca3af;font-size:.7rem;font-weight:800}.scanner-chip{border-radius:var(--radius-full);align-items:center;gap:.4rem;padding:.35rem .85rem;font-size:.85rem;display:flex}.chip-pass{color:#6ee7b7;background:#10b98133;border:1px solid #10b98166}.chip-reject{color:#fca5a5;background:#ef444433;border:1px solid #ef444466}.gk-formula-display{border-radius:var(--radius-lg);background:#0006;border:1px solid #ffffff14;flex-wrap:wrap;justify-content:center;align-items:center;gap:1.25rem;padding:1.25rem;display:flex}.gk-latex-card{color:#fff;font-size:1.8rem;font-weight:900}.gk-equal-sign{color:var(--text-muted);font-size:1.4rem}.gk-decimal-display{color:var(--text-secondary);border-radius:var(--radius-md);background:#ffffff0d;padding:.4rem .85rem;font-size:1rem}.gk-tuning-tools{grid-template-columns:1fr auto 1fr;align-items:center;gap:1.5rem;display:grid}.tuning-col{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);text-align:center;background:#ffffff08;flex-direction:column;gap:.5rem;padding:1.15rem;display:flex}.tool-title{color:#fff;font-size:.9rem;font-weight:800}.tool-desc{color:var(--text-secondary);font-size:.78rem}.btn-shift-action{border-radius:var(--radius-md);cursor:pointer;border:none;margin-top:.25rem;padding:.65rem 1rem;font-size:.85rem;font-weight:800;transition:all .2s}.btn-shift-left{color:#fff;background:linear-gradient(135deg,#4f46e5 0%,#6366f1 100%)}.btn-shift-right{color:#fff;background:linear-gradient(135deg,#0284c7 0%,#38bdf8 100%)}.btn-shift-action:hover{filter:brightness(1.15);transform:translateY(-2px)}.tuning-divider{color:var(--text-muted);flex-direction:column;align-items:center;gap:.25rem;font-size:.75rem;font-weight:800;display:flex}.gk-success-banner{border-radius:var(--radius-lg);background:linear-gradient(135deg,#064e3bcc 0%,#04785780 100%);border:1px solid #10b981;align-items:center;gap:.85rem;padding:1rem 1.25rem;display:flex}.gk-success-banner strong{color:#6ee7b7;font-size:1rem}.gk-success-banner p{color:var(--text-primary);margin-top:.2rem;font-size:.85rem}.zeros-scanner-card{border-radius:var(--radius-xl);background:radial-gradient(circle at 50% 20%,#1c1917 0%,#0c0a09 100%);border:1px solid #f59e0b4d;flex-direction:column;gap:1.25rem;padding:1.5rem;display:flex;box-shadow:0 16px 40px #00000080}.zeros-controls-box{grid-template-columns:1fr 1fr;gap:1.25rem;display:grid}.zeros-slider-item{flex-direction:column;gap:.4rem;display:flex}.zeros-slider-item label{color:var(--text-secondary);font-size:.88rem}.zeros-slider-item label strong{color:#fff}.zeros-visual-strip{border-radius:var(--radius-lg);background:#000;border:1px solid #ffffff1a;flex-direction:column;gap:1rem;padding:1.25rem;display:flex}.strip-title{color:#fbbf24;align-items:center;gap:.4rem;font-size:.85rem;font-weight:800;display:flex}.strip-digits-row{justify-content:center;align-items:center;gap:.45rem;padding:1rem .5rem;display:flex;overflow-x:auto}.digit-cell{border-radius:var(--radius-md);background:#1c1917;border:1px solid #292524;flex-direction:column;justify-content:center;align-items:center;min-width:44px;height:60px;display:flex}.d-val{color:#fff;font-size:1.4rem;font-weight:900}.d-pos{color:#78716c;margin-top:.2rem;font-size:.65rem;font-weight:700}.cell-dot{background:0 0;border:none;min-width:20px}.cell-dot .d-val{color:#f59e0b;font-size:2rem}.cell-breakthrough{background:radial-gradient(circle,#f59e0b4d 0%,#1c1917 100%);border:2px solid #f59e0b;transform:scale(1.1);box-shadow:0 0 20px #f59e0b99}.cell-breakthrough .d-val{color:#fef08a}.pos-gold{color:#f59e0b!important;font-weight:900!important}.zeros-conclusion-box{border-radius:var(--radius-md);background:#ffffff0a;flex-direction:column;gap:.5rem;padding:1rem 1.25rem;display:flex}.conclusion-metric{flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.9rem;display:flex}.metric-lbl{color:var(--text-muted);font-weight:700}.text-gold{font-size:1.05rem;color:#fbbf24!important}.animate-fadeIn{animation:.3s ease-out forwards fadeIn}.animate-slideUp{animation:.3s cubic-bezier(.34,1.56,.64,1) forwards slideUp}.animate-pop{animation:.25s cubic-bezier(.34,1.56,.64,1) forwards pop}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes pop{0%{opacity:.8;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.elevation-lab-wrapper{flex-direction:column;gap:1.5rem;display:flex}.elevation-presets-bar{border-radius:var(--radius-lg);background:#0f172a99;border:1px solid #ffffff14;flex-wrap:wrap;align-items:center;gap:.6rem;padding:.85rem 1.15rem;display:flex}.presets-label{color:var(--text-secondary);font-size:.88rem;font-weight:800}.btn-elevation-preset{color:var(--text-primary);cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1f;border-radius:999px;align-items:center;gap:.4rem;padding:.45rem .85rem;font-size:.82rem;font-weight:700;transition:all .2s cubic-bezier(.34,1.56,.64,1);display:flex}.btn-elevation-preset:hover{border-color:var(--cyan-accent);background:#ffffff1f;transform:translateY(-2px)}.btn-elevation-preset.active{color:#a5f3fc;background:linear-gradient(135deg,#06b6d440 0%,#0ea5e959 100%);border-color:#06b6d4;transform:scale(1.04);box-shadow:0 0 16px #06b6d459}.preset-icon{font-size:1rem}.preset-name{font-weight:800}.preset-m{color:#38bdf8;background:#0000004d;border-radius:6px;padding:.15rem .45rem;font-family:JetBrains Mono,monospace;font-size:.78rem}.elevation-stage-chassis{border-radius:var(--radius-xl);background:#0b0f19d9;border:1px solid #ffffff1a;grid-template-columns:340px 1fr;gap:1.5rem;padding:1.5rem;display:grid;box-shadow:0 20px 45px #0009}.elevation-visual-canvas{border-radius:var(--radius-lg);background:#020617;border:2px solid #ffffff1f;height:480px;position:relative;overflow:hidden;box-shadow:inset 0 0 30px #000c}.canvas-sky-layer{background:linear-gradient(#091328 0%,#0369a1 60%,#38bdf8 100%);height:55%;position:absolute;top:0;left:0;right:0;overflow:hidden}.sky-cloud{opacity:.8;filter:drop-shadow(0 4px 8px #0000004d);font-size:1.6rem;position:absolute}.cloud-1{animation:8s ease-in-out infinite alternate float-cloud;top:12%;left:15%}.cloud-2{animation:11s ease-in-out infinite alternate-reverse float-cloud;top:32%;right:18%}@keyframes float-cloud{0%{transform:translate(0)}to{transform:translate(18px)}}.mountain-silhouette{opacity:.45;filter:drop-shadow(0 0 10px #00000080);font-size:3.5rem;position:absolute;bottom:0;right:12px}.balloon-icon{font-size:1.4rem;animation:5s ease-in-out infinite alternate float-balloon;position:absolute;top:8%;right:25%}@keyframes float-balloon{0%{transform:translateY(0)}to{transform:translateY(-10px)}}.canvas-sea-level-line{z-index:10;background:linear-gradient(90deg,#06b6d499 0%,#0ea5e9d9 50%,#06b6d499 100%);border-top:2px solid #38bdf8;border-bottom:2px solid #0284c7;justify-content:space-between;align-items:center;height:28px;padding:0 10px;transition:top .25s cubic-bezier(.34,1.56,.64,1);display:flex;position:absolute;left:0;right:0;transform:translateY(-50%);box-shadow:0 0 18px #38bdf899}.sea-waves-anim{color:#fff;align-items:center;gap:.4rem;display:flex}.sea-level-tag{text-shadow:0 2px 4px #000c;letter-spacing:.5px;font-size:.72rem;font-weight:900}.boat-sprite{font-size:1.15rem;animation:2.5s ease-in-out infinite alternate boat-bob}@keyframes boat-bob{0%{transform:translateY(-2px)rotate(-3deg)}to{transform:translateY(2px)rotate(3deg)}}.canvas-ocean-layer{background:linear-gradient(#0284c7 0%,#034574 35%,#051a3b 70%,#01040f 100%);height:48%;position:absolute;bottom:0;left:0;right:0;overflow:hidden}.ocean-fish{opacity:.75;font-size:1.2rem;position:absolute}.fish-1{animation:7s ease-in-out infinite alternate swim-left;top:20%;left:25%}.fish-2{animation:9s ease-in-out infinite alternate-reverse swim-left;top:50%;right:30%}@keyframes swim-left{0%{transform:translate(0)}to{transform:translate(-24px)}}.ocean-creature{opacity:.6;font-size:1.3rem;position:absolute;bottom:22%;left:30%}.ocean-floor-reef{opacity:.5;font-size:1.8rem;position:absolute;bottom:4px;right:15px}.vertical-ruler-track{z-index:5;pointer-events:none;width:75px;position:absolute;top:0;bottom:0;left:12px}.ruler-tick-mark{align-items:center;gap:6px;display:flex;position:absolute;left:0;transform:translateY(-50%)}.tick-line{background:#ffffff73;width:14px;height:2px;box-shadow:0 0 4px #00000080}.tick-label{color:#94a3b8;text-shadow:0 1px 3px #000000e6;font-family:JetBrains Mono,monospace;font-size:.68rem;font-weight:800}.tick-zero .tick-line{background:#38bdf8;width:22px;height:3px;box-shadow:0 0 8px #38bdf8}.tick-zero .tick-label{color:#38bdf8;font-size:.8rem;font-weight:900}.elevation-probe-sprite{z-index:20;filter:drop-shadow(0 6px 14px #000000b3);align-items:center;gap:8px;transition:top .2s cubic-bezier(.34,1.56,.64,1);display:flex;position:absolute;right:18px;transform:translateY(-50%)}.probe-avatar{background:#0f172ab3;border:2px solid #fff;border-radius:999px;padding:4px 8px;font-size:1.8rem;animation:2s ease-in-out infinite probe-pulse}@keyframes probe-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.probe-tag{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-md);background:#0f172ad9;border:1px solid #fff3;flex-direction:column;padding:.3rem .6rem;display:flex}.probe-val-text{color:#fff;font-family:JetBrains Mono,monospace;font-size:.88rem;font-weight:900}.probe-desc-sub{color:#94a3b8;font-size:.65rem;font-weight:600}.probe-air .probe-avatar{border-color:#38bdf8;box-shadow:0 0 12px #38bdf899}.probe-submarine .probe-avatar{border-color:#f43f5e;box-shadow:0 0 12px #f43f5e99}.probe-sea .probe-avatar{border-color:#10b981;box-shadow:0 0 12px #10b98199}.elevation-dist-connector{z-index:15;pointer-events:none;width:2px;position:absolute;right:120px}.connector-spring-line{filter:drop-shadow(0 0 4px #6366f1);border-left:2px dashed #818cf8;width:100%;height:100%}.connector-badge{color:#c7d2fe;white-space:nowrap;background:#1e1b4b;border:1px solid #818cf8;border-radius:6px;padding:.2rem .5rem;font-size:.68rem;font-weight:800;position:absolute;top:50%;left:8px;transform:translateY(-50%);box-shadow:0 4px 12px #00000080}.elevation-control-panel{flex-direction:column;gap:1.25rem;display:flex}.elevation-metrics-row{grid-template-columns:repeat(3,1fr);gap:.85rem;display:grid}.elev-metric-card{border-radius:var(--radius-lg);background:#ffffff0a;border:1px solid #ffffff1a;flex-direction:column;gap:.4rem;padding:1rem;display:flex}.elev-lbl{color:var(--text-muted);font-size:.78rem;font-weight:700}.elev-val{color:#fff;font-size:1.25rem;font-weight:900}.elev-status-pill{border-radius:999px;align-self:flex-start;padding:.2rem .5rem;font-size:.72rem;font-weight:800;display:inline-block}.pill-pos{color:#6ee7b7;background:#10b98133;border:1px solid #10b98166}.pill-neg{color:#fca5a5;background:#f43f5e33;border:1px solid #f43f5e66}.pill-zero{color:#7dd3fc;background:#38bdf833;border:1px solid #38bdf866}.elev-sub-desc{color:var(--text-secondary);font-size:.72rem;line-height:1.4}.elevation-slider-box{border-radius:var(--radius-lg);background:#00000059;border:1px solid #ffffff14;flex-direction:column;gap:.75rem;padding:1.15rem;display:flex}.elevation-slider-box label{color:var(--text-primary);font-size:.9rem}.elevation-slider-box label strong{color:var(--cyan-accent);font-family:JetBrains Mono,monospace;font-size:1.1rem}.elevation-range-slider{width:100%;accent-color:var(--cyan-accent);cursor:pointer;height:6px}.slider-extremes{color:var(--text-muted);justify-content:space-between;font-size:.75rem;font-weight:700;display:flex}.elevation-insight-box{border-radius:var(--radius-lg);background:#06b6d414;border:1px solid #06b6d440;padding:1.15rem;font-size:.88rem;line-height:1.6}.elevation-insight-box strong{color:#a5f3fc}.elevation-insight-box p{color:var(--text-primary);margin-top:.4rem}.thermometer-lab-wrapper{flex-direction:column;gap:1.5rem;display:flex}.thermo-presets-bar{border-radius:var(--radius-lg);background:#0f172a99;border:1px solid #ffffff14;flex-wrap:wrap;align-items:center;gap:.6rem;padding:.85rem 1.15rem;display:flex}.btn-thermo-preset{color:var(--text-primary);cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1f;border-radius:999px;align-items:center;gap:.4rem;padding:.45rem .85rem;font-size:.82rem;font-weight:700;transition:all .2s cubic-bezier(.34,1.56,.64,1);display:flex}.btn-thermo-preset:hover{background:#ffffff1f;border-color:#f59e0b;transform:translateY(-2px)}.btn-thermo-preset.active{color:#fed7aa;background:linear-gradient(135deg,#ef444440 0%,#f59e0b59 100%);border-color:#ef4444;transform:scale(1.04);box-shadow:0 0 16px #ef444459}.preset-deg{color:#fb923c;background:#0000004d;border-radius:6px;padding:.15rem .45rem;font-family:JetBrains Mono,monospace;font-size:.78rem}.thermo-stage-chassis{border-radius:var(--radius-xl);background:#0b0f19d9;border:1px solid #ffffff1a;grid-template-columns:280px 1fr;gap:1.5rem;padding:1.5rem;display:grid;box-shadow:0 20px 45px #0009}.thermo-instrument-column{border-radius:var(--radius-lg);background:#090d16;border:2px solid #ffffff1f;flex-direction:column;justify-content:center;align-items:center;min-height:480px;padding:1.5rem 1rem;display:flex;position:relative;overflow:hidden}.thermo-ambient-effects{pointer-events:none;opacity:.25;letter-spacing:12px;justify-content:center;align-items:center;font-size:2.2rem;transition:opacity .4s;display:flex;position:absolute;inset:0}.env-frost .frost-overlay{opacity:.35;animation:3s ease-in-out infinite frost-shiver}.env-warm .heat-overlay{opacity:.35;animation:2.5s ease-in-out infinite heat-rise}@keyframes frost-shiver{0%,to{transform:translateY(0)scale(1)}50%{transform:translateY(-4px)scale(1.05)}}@keyframes heat-rise{0%{opacity:.2;transform:translateY(8px)}50%{opacity:.4;transform:translateY(0)}to{opacity:.2;transform:translateY(-8px)}}.glass-thermometer-tube{flex-direction:column;align-items:center;width:140px;height:380px;display:flex;position:relative}.thermo-cap{background:#fff3;border:2px solid #fff6;border-bottom:none;border-radius:16px 16px 0 0;width:32px;height:16px;box-shadow:inset 0 2px 4px #ffffff4d}.thermo-stem{background:#ffffff0f;border-left:2px solid #ffffff4d;border-right:2px solid #ffffff4d;justify-content:center;width:32px;height:300px;display:flex;position:relative;box-shadow:inset 0 0 10px #0009}.thermo-liquid-column{border-radius:7px 7px 0 0;width:14px;transition:height .3s cubic-bezier(.34,1.56,.64,1),background .4s;position:absolute;bottom:0;box-shadow:0 0 12px #ef444480}.liquid-warm{background:linear-gradient(#f87171 0%,#ef4444 40%,#dc2626 100%);box-shadow:0 0 14px #ef4444b3}.liquid-frost{background:linear-gradient(#a5f3fc 0%,#38bdf8 40%,#0284c7 100%);box-shadow:0 0 14px #38bdf8b3}.liquid-zero{background:linear-gradient(#c084fc 0%,#a855f7 40%,#7e22ce 100%);box-shadow:0 0 14px #a855f7b3}.liquid-meniscus{background:#fffc;border-radius:50%;height:6px;position:absolute;top:-3px;left:0;right:0;box-shadow:0 0 6px #fff}.thermo-zero-line{z-index:10;pointer-events:none;align-items:center;display:flex;position:absolute;left:-20px;right:-60px;transform:translateY(50%)}.zero-marker-line{background:#38bdf8;height:2px;position:absolute;left:0;right:0;box-shadow:0 0 6px #38bdf8}.zero-label-badge{color:#e0f2fe;white-space:nowrap;background:#0c4a6e;border:1px solid #38bdf8;border-radius:4px;padding:.15rem .45rem;font-size:.65rem;font-weight:800;position:absolute;right:-55px;box-shadow:0 2px 8px #00000080}.thermo-tick{pointer-events:none;align-items:center;gap:5px;display:flex;position:absolute;left:100%;transform:translateY(50%)}.tick-notch{background:#fff6;width:8px;height:1.5px}.tick-text{color:#94a3b8;font-family:JetBrains Mono,monospace;font-size:.65rem;font-weight:700}.tick-zero-pt .tick-notch{background:#38bdf8;width:14px;height:2.5px}.tick-zero-pt .tick-text{color:#38bdf8;font-size:.75rem;font-weight:900}.thermo-bulb{border:3px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;width:58px;height:58px;margin-top:-6px;transition:all .4s;display:flex;position:relative;box-shadow:inset 0 0 14px #000000b3}.bulb-warm{background:radial-gradient(circle at 35% 35%,#f87171 0%,#dc2626 70%,#991b1b 100%);border-color:#fecaca80;box-shadow:0 0 24px #ef444499}.bulb-frost{background:radial-gradient(circle at 35% 35%,#a5f3fc 0%,#0284c7 70%,#0c4a6e 100%);border-color:#bae6fd80;box-shadow:0 0 24px #38bdf899}.bulb-zero{background:radial-gradient(circle at 35% 35%,#e9d5ff 0%,#9333ea 70%,#581c87 100%);border-color:#e9d5ff80;box-shadow:0 0 24px #a855f799}.bulb-core-glow{filter:blur(2px);background:#fff9;border-radius:50%;width:18px;height:18px;position:absolute;top:10px;left:12px}.thermo-readout-badge{background:#0009;border:1px solid #ffffff26;border-radius:999px;align-items:center;gap:.4rem;margin-top:1rem;padding:.4rem .9rem;display:flex}.readout-icon{font-size:1.1rem}.readout-val{color:#fff;font-family:JetBrains Mono,monospace;font-size:1.25rem;font-weight:900}.thermo-control-panel{flex-direction:column;gap:1.25rem;display:flex}.thermo-metrics-row{grid-template-columns:repeat(3,1fr);gap:.85rem;display:grid}.thermo-metric-card{border-radius:var(--radius-lg);background:#ffffff0a;border:1px solid #ffffff1a;flex-direction:column;gap:.4rem;padding:1rem;display:flex}.thermo-lbl{color:var(--text-muted);font-size:.78rem;font-weight:700}.thermo-val{color:#fff;font-size:1.25rem;font-weight:900}.thermo-status-pill{border-radius:999px;align-self:flex-start;padding:.2rem .5rem;font-size:.72rem;font-weight:800;display:inline-block}.thermo-sub-desc{color:var(--text-secondary);font-size:.72rem;line-height:1.4}.thermo-slider-box{border-radius:var(--radius-lg);background:#00000059;border:1px solid #ffffff14;flex-direction:column;gap:.75rem;padding:1.15rem;display:flex}.thermo-slider-box label{color:var(--text-primary);font-size:.9rem}.thermo-slider-box label strong{color:#fb923c;font-family:JetBrains Mono,monospace;font-size:1.1rem}.thermo-range-slider{accent-color:#ef4444;cursor:pointer;width:100%;height:6px}.thermo-insight-box{border-radius:var(--radius-lg);background:#f59e0b14;border:1px solid #f59e0b40;padding:1.15rem;font-size:.88rem;line-height:1.6}.thermo-insight-box strong{color:#fde68a}.thermo-insight-box p{color:var(--text-primary);margin-top:.4rem}@media (width<=768px){.app-navbar{padding:.6rem 1rem}.navbar-stats{display:none}.chapter-hero-banner{padding:1.5rem 1.25rem}.hero-title{font-size:1.4rem}.chamber-container{flex-direction:column;gap:1rem}.car-controls-dashboard,.sci-sliders-grid,.rule-diagnostic-grid{grid-template-columns:1fr}.unit-level-card{flex-direction:column;gap:.75rem}.unit-connector-line{display:none}.elevation-stage-chassis,.thermo-stage-chassis,.elevation-metrics-row,.thermo-metrics-row{grid-template-columns:1fr}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.19.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}body.presenter-mode-active{-webkit-user-select:none;user-select:none}body.presenter-mode-active .app-navbar{opacity:.92;transition:opacity .3s}body.presenter-mode-active.theater-mode .app-navbar{display:none!important}body.presenter-mode-active.theater-mode .unit-workspace-header{margin-top:10px}.presenter-watermark{z-index:99990;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);pointer-events:auto;background:#0f172ae0;border:1px solid #6366f166;border-radius:999px;align-items:center;gap:12px;padding:8px 16px;animation:.6s cubic-bezier(.16,1,.3,1) fadeInDown;display:flex;position:fixed;top:18px;right:24px;box-shadow:0 10px 25px #0009,0 0 15px #6366f133}.presenter-watermark-icon{color:#fff;background:linear-gradient(135deg,#6366f1,#06b6d4);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:900;display:flex;box-shadow:0 0 12px #06b6d499}.presenter-watermark-text{flex-direction:column;display:flex}.presenter-watermark-title{color:#f8fafc;letter-spacing:.3px;font-size:13px;font-weight:800}.presenter-watermark-sub{color:#38bdf8;align-items:center;gap:4px;font-size:11px;font-weight:600;display:flex}.presenter-watermark-badge{color:#34d399;letter-spacing:.5px;background:#10b98140;border:1px solid #10b98180;border-radius:6px;padding:2px 8px;font-size:10px;font-weight:800}.director-pointer{z-index:9999999;pointer-events:none;filter:drop-shadow(0 8px 18px #06b6d4d9)drop-shadow(0 0 24px #6366f1b3);width:44px;height:44px;transition:top .65s cubic-bezier(.2,.8,.2,1),left .65s cubic-bezier(.2,.8,.2,1),transform .2s,opacity .3s;position:fixed}.director-pointer.clicking{transform:scale(.82)}.pointer-halo{background:radial-gradient(circle,#22d3eecc 20%,#0000 70%);border-radius:50%;width:18px;height:18px;animation:1.3s infinite alternate haloPulseAnim;position:absolute;top:0;left:0}@keyframes haloPulseAnim{0%{opacity:.5;transform:scale(.7)}to{opacity:1;transform:scale(2.2)}}.director-pointer-label{color:#e0f2fe;white-space:nowrap;pointer-events:none;background:#0f172ae6;border:1px solid #38bdf8;border-radius:6px;padding:2px 8px;font-size:12px;font-weight:700;animation:.2s fadeIn;position:absolute;top:14px;left:28px;box-shadow:0 4px 12px #0009}.director-click-ripple{z-index:9999998;pointer-events:none;opacity:1;border:3px solid #06b6d4;border-radius:50%;animation:.55s cubic-bezier(.1,.8,.3,1) forwards rippleSpread;position:fixed;transform:translate(-50%,-50%)scale(.2);box-shadow:0 0 20px #06b6d4}@keyframes rippleSpread{0%{opacity:1;transform:translate(-50%,-50%)scale(.2)}to{opacity:0;transform:translate(-50%,-50%)scale(3.2)}}.director-spotlight-layer{z-index:99980;pointer-events:none;transition:opacity .5s;position:fixed;inset:0}.director-spotlight-cutout{border-radius:16px;transition:all .6s cubic-bezier(.2,.8,.2,1);animation:2.5s infinite alternate spotlightBreathe;position:absolute;box-shadow:0 0 0 9999px #030712b8,0 0 35px 5px #6366f1d9,inset 0 0 25px #06b6d44d}@keyframes spotlightBreathe{0%{box-shadow:0 0 0 9999px #030712b8,0 0 25px 4px #6366f1b3}to{box-shadow:0 0 0 9999px #030712c7,0 0 45px 8px #06b6d4f2}}.director-hud-container{z-index:99995;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0a0f1df0;border:2px solid #6366f1b3;border-radius:28px;align-items:center;gap:18px;width:max-content;min-width:520px;max-width:1400px;padding:12px 30px;animation:.4s cubic-bezier(.16,1,.3,1) slideUpHUD;display:flex;position:fixed;bottom:28px;left:50%;transform:translate(-50%);box-shadow:0 20px 50px #000000e6,0 0 35px #6366f159}@keyframes slideUpHUD{0%{opacity:0;transform:translate(-50%,30px)scale(.96)}to{opacity:1;transform:translate(-50%)scale(1)}}.hud-avatar-wrapper{justify-content:center;align-items:center;display:flex;position:relative}.hud-avatar-circle{background:#1e293b;border:2px solid #38bdf8;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:26px;transition:all .3s;display:flex;position:relative;box-shadow:0 0 16px #38bdf880}.hud-avatar-circle.speaking{animation:.8s ease-in-out infinite alternate avatarPulse}.hud-avatar-circle.qing{border-color:#f472b6;box-shadow:0 0 18px #f472b699}@keyframes avatarPulse{0%{filter:drop-shadow(0 0 8px);transform:scale(1)}to{filter:drop-shadow(0 0 20px);transform:scale(1.1)}}.hud-emotion-tag{background:#0f172a;border:1px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;display:flex;position:absolute;bottom:-4px;right:-4px}.voice-wave-bars{align-items:center;gap:3px;height:18px;margin-left:4px;display:flex}.voice-wave-bar{background:#38bdf8;border-radius:99px;width:3.5px;animation:.5s ease-in-out infinite alternate waveBar}.voice-wave-bar.qing{background:#f472b6}.voice-wave-bar:first-child{height:6px;animation-delay:.1s}.voice-wave-bar:nth-child(2){height:16px;animation-delay:.25s}.voice-wave-bar:nth-child(3){height:10px;animation-delay:.15s}.voice-wave-bar:nth-child(4){height:18px;animation-delay:.35s}@keyframes waveBar{0%{opacity:.4;height:4px}to{opacity:1;height:18px}}.hud-speaker-badge{white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:6px 16px;font-size:19px;font-weight:900;display:flex;box-shadow:0 4px 12px #0006}.hud-speaker-badge.ming{color:#7dd3fc;background:linear-gradient(135deg,#38bdf859,#0ea5e933);border:1.5px solid #38bdf8}.hud-speaker-badge.qing{color:#fbcfe8;background:linear-gradient(135deg,#ec489959,#db277733);border:1.5px solid #f472b6}.hud-speaker-badge.system{color:#6ee7b7;background:linear-gradient(135deg,#10b98159,#05966933);border:1.5px solid #10b981}.director-chapter-bar{z-index:99998;background:#0f172acc;height:6px;display:flex;position:fixed;top:0;left:0;right:0;overflow:hidden}.chapter-segment{background:#ffffff1f;border-right:1.5px solid #090d16;flex:1;height:100%;position:relative;overflow:hidden}.chapter-segment-fill{background:linear-gradient(90deg,#6366f1,#06b6d4);width:0%;height:100%;transition:width .4s;box-shadow:0 0 10px #06b6d4}.chapter-segment.completed .chapter-segment-fill{width:100%}.chapter-segment.active .chapter-segment-fill{background:linear-gradient(90deg,#38bdf8,#f472b6);box-shadow:0 0 14px #f472b6}.director-concept-toast{z-index:99994;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:linear-gradient(135deg,#0f172af2,#1e1b4beb);border:1.5px solid #6366f1;border-radius:18px;align-items:center;gap:14px;max-width:480px;padding:14px 22px;animation:.45s cubic-bezier(.16,1,.3,1) slideInRight;display:flex;position:fixed;top:72px;right:28px;box-shadow:0 15px 35px #000000b3,0 0 25px #6366f166}@keyframes slideInRight{0%{opacity:0;transform:translate(60px)scale(.95)}to{opacity:1;transform:translate(0)scale(1)}}.concept-toast-icon{color:#fff;background:linear-gradient(135deg,#f59e0b,#ec4899);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;display:flex;box-shadow:0 0 15px #f59e0b80}.concept-toast-content{flex-direction:column;display:flex}.concept-toast-title{color:#f59e0b;letter-spacing:.5px;font-size:13px;font-weight:800}.concept-toast-text{color:#fff;font-size:16px;font-weight:800;line-height:1.35}.director-scene-transition{-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);z-index:99999;pointer-events:none;background:radial-gradient(circle,#0f172af0 0%,#030712fa 100%);flex-direction:column;justify-content:center;align-items:center;animation:1.8s cubic-bezier(.16,1,.3,1) forwards sceneFadeInOut;display:flex;position:fixed;inset:0}@keyframes sceneFadeInOut{0%{opacity:0;transform:scale(1.08)}20%{opacity:1;transform:scale(1)}80%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.96)}}.scene-trans-badge{color:#38bdf8;letter-spacing:2px;background:linear-gradient(135deg,#6366f14d,#06b6d433);border:1.5px solid #38bdf8;border-radius:999px;margin-bottom:14px;padding:6px 18px;font-size:14px;font-weight:900;box-shadow:0 0 20px #38bdf866}.scene-trans-title{color:#fff;letter-spacing:-.5px;text-shadow:0 0 30px #6366f1cc;margin-bottom:10px;font-size:42px;font-weight:900}.scene-trans-sub{color:#94a3b8;font-size:20px;font-weight:600}.hud-dialogue-text{color:#fef08a;letter-spacing:.5px;text-shadow:0 2px 8px #000c;font-size:24px;font-weight:800;line-height:1.4}.director-callout-overlay{z-index:99996;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);text-align:center;background:linear-gradient(145deg,#111827fa,#1e1b4bf5);border:2px solid #f59e0b;border-radius:24px;width:90%;max-width:680px;padding:24px 32px;animation:.5s cubic-bezier(.16,1,.3,1) calloutDrop;position:fixed;top:90px;left:50%;transform:translate(-50%);box-shadow:0 25px 60px #000000d9,0 0 40px #f59e0b66}@keyframes calloutDrop{0%{opacity:0;transform:translate(-50%,-40px)scale(.92)}to{opacity:1;transform:translate(-50%)scale(1)}}.callout-header{justify-content:center;align-items:center;gap:10px;margin-bottom:12px;display:flex}.callout-tag{color:#fbbf24;background:#f59e0b33;border:1px solid #f59e0b99;border-radius:999px;align-items:center;gap:6px;padding:4px 14px;font-size:14px;font-weight:900;display:flex}.callout-countdown-badge{color:#000;background:#f59e0b;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:18px;font-weight:900;animation:1s infinite alternate countdownPulse;display:flex;box-shadow:0 0 15px #f59e0b}@keyframes countdownPulse{0%{transform:scale(1)}to{transform:scale(1.15)}}.callout-question{color:#fff;margin-bottom:16px;font-size:22px;font-weight:800;line-height:1.4}.callout-options-grid{grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;display:grid}.callout-option-btn{color:#f1f5f9;cursor:pointer;background:#ffffff14;border:1.5px solid #fff3;border-radius:14px;justify-content:center;align-items:center;gap:10px;padding:12px 18px;font-size:17px;font-weight:800;transition:all .25s;display:flex}.callout-option-btn:hover{background:#6366f140;border-color:#818cf8;transform:translateY(-2px)}.callout-option-btn.correct-choice{color:#6ee7b7;background:#10b9814d;border-color:#34d399;box-shadow:0 0 20px #10b98166}.callout-subtext{color:#94a3b8;font-size:13px;font-weight:600}.director-outro-overlay{-webkit-backdrop-filter:blur(28px);backdrop-filter:blur(28px);z-index:99997;background:#030712e0;justify-content:center;align-items:center;padding:24px;animation:.5s fadeIn;display:flex;position:fixed;inset:0}.outro-content-box{text-align:center;background:linear-gradient(160deg,#111827fa,#1e1b4bf2);border:2px solid #818cf8;border-radius:32px;width:100%;max-width:760px;padding:40px 48px;position:relative;overflow:hidden;box-shadow:0 30px 80px #000000e6,0 0 50px #6366f166}.outro-trophy-ring{color:#fff;background:linear-gradient(135deg,#f59e0b,#ec4899);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto 20px;display:flex;box-shadow:0 0 30px #f59e0b99}.outro-title{color:#fff;letter-spacing:-.5px;margin-bottom:12px;font-size:32px;font-weight:900}.outro-desc{color:#cbd5e1;margin-bottom:28px;font-size:18px;line-height:1.5}.outro-action-buttons{justify-content:center;gap:16px;margin-bottom:24px;display:flex}.outro-play-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#06b6d4);border:none;border-radius:16px;align-items:center;gap:10px;padding:14px 32px;font-size:18px;font-weight:800;transition:transform .2s;display:flex;box-shadow:0 10px 25px #6366f180}.outro-play-btn:hover{transform:translateY(-2px)scale(1.03)}.outro-gift-badge{color:#6ee7b7;background:#10b98133;border:1px solid #10b98180;border-radius:999px;align-items:center;gap:8px;padding:8px 18px;font-size:14px;font-weight:700;display:inline-flex}.director-control-dock{z-index:99992;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);pointer-events:auto;opacity:.4;background:#0f172ae6;border:1px solid #ffffff26;border-radius:999px;align-items:center;gap:8px;padding:8px 14px;transition:opacity .3s;display:flex;position:fixed;top:18px;left:24px;box-shadow:0 10px 25px #0009}.director-control-dock:hover{opacity:1}.dock-pill-btn{color:#f1f5f9;cursor:pointer;background:#ffffff1a;border:1px solid #ffffff26;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:700;transition:background .2s;display:flex}.dock-pill-btn:hover{background:#6366f166}.dock-step-indicator{color:#38bdf8;padding:0 6px;font-size:12px;font-weight:800}.ai-tutor-floating-btn{z-index:99980;cursor:pointer;color:#fff;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:linear-gradient(135deg,#1e1b4bf2,#4c1d95f2);border:1px solid #a78bfa66;border-radius:999px;align-items:center;gap:12px;padding:10px 20px 10px 14px;transition:all .3s cubic-bezier(.16,1,.3,1);display:flex;position:fixed;bottom:28px;right:28px;box-shadow:0 12px 30px #0009,0 0 20px #8b5cf659}.ai-tutor-floating-btn:hover{border-color:#c084fcb3;transform:translateY(-3px)scale(1.03);box-shadow:0 16px 36px #000000b3,0 0 28px #8b5cf699}.ai-tutor-floating-btn.active{background:linear-gradient(135deg,#4c1d95,#7c3aed);border-color:#a78bfa}.btn-icon-wrapper{background:linear-gradient(135deg,#8b5cf6,#ec4899);border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;display:flex;position:relative;box-shadow:0 0 14px #ec489980}.bot-icon{color:#fff}.sparkle-badge{color:#000;background:#facc15;border-radius:50%;justify-content:center;align-items:center;width:16px;height:16px;animation:2s ease-in-out infinite pulse;display:flex;position:absolute;top:-2px;right:-2px;box-shadow:0 0 8px #facc15}.btn-label-group{text-align:left;flex-direction:column;display:flex}.btn-main-title{letter-spacing:.5px;background:linear-gradient(90deg,#fff,#e9d5ff);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:14px;font-weight:700}.btn-sub-badge{color:#c084fc;font-size:11px;font-weight:500}.ai-tutor-window{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:99980;background:#0f172af0;border:1px solid #8b5cf64d;border-radius:24px;flex-direction:column;width:420px;max-width:calc(100vw - 40px);height:600px;max-height:calc(100vh - 120px);animation:.35s cubic-bezier(.16,1,.3,1) slideUpScale;display:flex;position:fixed;bottom:96px;right:28px;overflow:hidden;box-shadow:0 25px 60px #000c,0 0 35px #7c3aed33}@keyframes slideUpScale{0%{opacity:0;transform:translateY(20px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}.ai-tutor-header{background:linear-gradient(#1e1b4bd9,#0f172a99);border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;display:flex}.tutor-info{align-items:center;gap:12px;min-width:0;display:flex}.tutor-avatar{color:#fff;background:linear-gradient(135deg,#7c3aed,#4f46e5);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;display:flex;position:relative}.speaking-pulse{border:2px solid #a855f7;border-radius:16px;animation:1.4s cubic-bezier(0,0,.2,1) infinite ping;position:absolute;inset:-4px}.tutor-titles{flex-direction:column;gap:2px;display:flex;overflow:hidden}.title-row{align-items:center;gap:8px;display:flex}.tutor-name{color:#f8fafc;font-size:15px;font-weight:700}.tutor-model-badge{color:#d8b4fe;background:#8b5cf640;border:1px solid #a78bfa66;border-radius:6px;padding:2px 6px;font-size:10px;font-weight:600}.unit-badge{color:#94a3b8;white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:5px;font-size:11px;display:flex;overflow:hidden}.pulse-dot{color:#10b981;animation:1.5s infinite pulse}.header-actions{align-items:center;gap:8px;display:flex}.voice-select-wrapper{align-items:center;display:flex;position:relative}.voice-select{appearance:none;color:#e2e8f0;cursor:pointer;background:#1e293bd9;border:1px solid #94a3b840;border-radius:8px;outline:none;padding:5px 24px 5px 10px;font-size:12px;font-weight:500;transition:all .2s}.voice-select:hover{border-color:#8b5cf6}.select-arrow{pointer-events:none;color:#94a3b8;position:absolute;right:7px}.tutor-close-btn{color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:6px;transition:all .2s;display:flex}.tutor-close-btn:hover{color:#fff;background:#ffffff1a}.tutor-chips-bar{scrollbar-width:none;background:#0f172a66;border-bottom:1px solid #ffffff0d;gap:8px;padding:10px 16px;display:flex;overflow-x:auto}.tutor-chips-bar::-webkit-scrollbar{display:none}.suggestion-chip{color:#cbd5e1;white-space:nowrap;cursor:pointer;background:#1e293b99;border:1px solid #8b5cf640;border-radius:999px;padding:5px 11px;font-size:11px;transition:all .2s}.suggestion-chip:hover:not(:disabled){color:#fff;background:#7c3aed59;border-color:#a855f7}.suggestion-chip:disabled{opacity:.5;cursor:not-allowed}.ai-tutor-messages{flex-direction:column;flex:1;gap:16px;padding:16px;display:flex;overflow-y:auto}.tutor-msg-item{gap:10px;max-width:90%;animation:.3s fadeIn;display:flex}.tutor-msg-item.user{flex-direction:row-reverse;align-self:flex-end}.tutor-msg-item.assistant{align-self:flex-start}.msg-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;margin-top:4px;display:flex}.tutor-msg-item.user .msg-avatar{color:#fff;background:#3b82f6}.tutor-msg-item.assistant .msg-avatar{color:#fff;background:#7c3aed}.msg-bubble-wrapper{flex-direction:column;display:flex}.msg-bubble{word-break:break-word;border-radius:18px;padding:12px 16px;font-size:13.5px;line-height:1.6}.tutor-msg-item.user .msg-bubble{color:#fff;background:linear-gradient(135deg,#2563eb,#1d4ed8);border-bottom-right-radius:4px;box-shadow:0 4px 12px #2563eb4d}.tutor-msg-item.assistant .msg-bubble{color:#e2e8f0;background:#1e293bd9;border:1px solid #ffffff14;border-bottom-left-radius:4px;box-shadow:0 4px 14px #0000004d}.message-text-content{width:100%;display:inline-block}.msg-audio-bar{border-top:1px solid #ffffff1a;align-items:center;margin-top:10px;padding-top:8px;display:flex}.audio-control-btn{color:#c084fc;cursor:pointer;background:#7c3aed33;border:1px solid #8b5cf666;border-radius:999px;align-items:center;gap:6px;padding:4px 12px;font-size:11px;font-weight:600;transition:all .2s;display:flex}.audio-control-btn:hover{color:#fff;background:#7c3aed66}.audio-control-btn.active{color:#fff;background:#7c3aed;border-color:#a78bfa}.equalizer-bars{align-items:flex-end;gap:2px;height:12px;display:flex}.equalizer-bars span{background:#fff;border-radius:1px;width:2.5px;animation:.8s ease-in-out infinite equalize}.equalizer-bars span:first-child{animation-delay:.1s}.equalizer-bars span:nth-child(2){animation-delay:.3s}.equalizer-bars span:nth-child(3){animation-delay:.2s}@keyframes equalize{0%,to{height:3px}50%{height:11px}}.loading-bubble{align-items:center;gap:10px;padding:10px 14px;display:flex}.loading-dots{gap:4px;display:flex}.loading-dots span{background:#a855f7;border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite bounceDot}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes bounceDot{0%,80%,to{opacity:.4;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}.loading-text{color:#94a3b8;font-size:12px}.recording-status-banner{background:#dc262640;border-top:1px solid #ef444466;justify-content:space-between;align-items:center;gap:10px;padding:8px 16px;animation:.2s fadeIn;display:flex}.recording-live-indicator{color:#fca5a5;align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.live-dot{background:#ef4444;border-radius:50%;width:8px;height:8px;animation:1s infinite pulse}.voice-waves{align-items:center;gap:3px;height:16px;display:flex}.voice-waves span{background:#ef4444;border-radius:2px;width:3px;animation:.6s ease-in-out infinite voiceWave}.voice-waves span:first-child{height:6px;animation-delay:.1s}.voice-waves span:nth-child(2){height:12px;animation-delay:.2s}.voice-waves span:nth-child(3){height:16px;animation-delay:.3s}.voice-waves span:nth-child(4){height:10px;animation-delay:.4s}.voice-waves span:nth-child(5){height:5px;animation-delay:.2s}@keyframes voiceWave{0%,to{transform:scaleY(.4)}50%{transform:scaleY(1.2)}}.stop-record-btn{color:#fff;cursor:pointer;background:#ef4444;border:none;border-radius:6px;padding:4px 10px;font-size:11px;font-weight:600;transition:background .2s}.stop-record-btn:hover{background:#dc2626}.ai-tutor-input-area{background:#0f172ae6;border-top:1px solid #ffffff14;align-items:center;gap:10px;padding:12px 16px;display:flex}.mic-action-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#7c3aed,#4f46e5);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;transition:all .2s cubic-bezier(.16,1,.3,1);display:flex;box-shadow:0 4px 14px #7c3aed66}.mic-action-btn:hover:not(:disabled){transform:scale(1.08);box-shadow:0 6px 18px #7c3aed99}.mic-action-btn.recording{background:linear-gradient(135deg,#dc2626,#ef4444);animation:1s infinite pulse;box-shadow:0 0 20px #ef4444cc}.mic-action-btn:disabled{opacity:.5;cursor:not-allowed}.text-input{color:#f8fafc;background:#1e293bcc;border:1px solid #94a3b833;border-radius:14px;outline:none;flex:1;padding:11px 14px;font-size:13.5px;transition:border-color .2s}.text-input:focus{border-color:#8b5cf6}.text-input::placeholder{color:#64748b;font-size:12.5px}.send-action-btn{color:#c084fc;cursor:pointer;background:#7c3aed40;border:none;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:all .2s;display:flex}.send-action-btn:hover:not(:disabled){color:#fff;background:#7c3aed}.send-action-btn:disabled{opacity:.35;cursor:not-allowed}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes ping{75%,to{opacity:0;transform:scale(1.3)}}@media (width<=640px){.ai-tutor-window{width:calc(100vw - 24px);height:520px;bottom:84px;right:12px}.ai-tutor-floating-btn{bottom:16px;right:16px}}