@import"https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&family=Orbitron:wght@400;700;900&display=swap";:root{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .85);--bg-glass: rgba(15, 23, 42, .6);--border-glow: rgba(99, 102, 241, .3);--border-subtle: rgba(255, 255, 255, .08);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-accent: #818cf8;--text-muted: #7c8aa3;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-sun: #fbbf24;--accent-earth: #3b82f6;--accent-moon: #d1d5db;--accent-danger: #ef4444;--accent-success: #10b981;--gradient-cosmic: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-sun: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);--gradient-earth: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);--shadow-glow: 0 0 20px rgba(99, 102, 241, .15);--shadow-card: 0 8px 32px rgba(0, 0, 0, .4);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--font-sans: "Noto Sans KR", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "Orbitron", monospace;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden;background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;height:100vh;width:100vw}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);z-index:100;flex-shrink:0}.app-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary)}.app-logo-icon{font-size:1.5rem}.app-logo-text{font-family:var(--font-mono);font-weight:700;font-size:1.1rem;letter-spacing:2px;background:var(--gradient-cosmic);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-header-controls{display:flex;align-items:center;gap:12px}.app-content{flex:1;position:relative;overflow:hidden}.module-home{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:32px;gap:40px;background:radial-gradient(ellipse at center,rgba(99,102,241,.05) 0%,transparent 70%)}.module-home-title{font-family:var(--font-mono);font-size:2.2rem;font-weight:900;text-align:center;background:var(--gradient-cosmic);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.module-home-subtitle{color:var(--text-secondary);font-size:1rem;margin-top:-20px;text-align:center}.module-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;max-width:1100px;width:100%}.module-card{position:relative;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:32px 28px;cursor:pointer;transition:all var(--transition-normal);overflow:hidden;text-decoration:none;color:inherit}.module-card:before{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);padding:1px;background:var(--gradient-cosmic);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity var(--transition-normal)}.module-card:hover:before{opacity:1}.module-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-glow),var(--shadow-card)}.module-card-icon{font-size:3rem;margin-bottom:16px}.module-card-grade{font-size:.75rem;font-weight:700;color:var(--text-accent);text-transform:uppercase;letter-spacing:2px;margin-bottom:8px}.module-card-title{font-size:1.3rem;font-weight:700;margin:0 0 8px;line-height:1.3}.module-card-desc{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin:0}.module-card-topics{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}.module-card-topic{font-size:.72rem;padding:4px 10px;border-radius:99px;background:#6366f11f;color:var(--text-accent);border:1px solid rgba(99,102,241,.2)}.sub-module-nav{display:flex;flex-wrap:wrap;gap:6px;padding:8px 16px;background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle)}.sub-module-btn{padding:8px 18px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-size:.85rem;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast)}.sub-module-btn.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.sub-module-btn:hover:not(.active){background:#6366f11a;border-color:var(--accent-primary);color:var(--text-primary)}.controls-panel{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:12px;padding:12px 24px;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);z-index:50}.control-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--border-subtle);border-radius:50%;background:transparent;color:var(--text-primary);font-size:1.1rem;cursor:pointer;transition:all var(--transition-fast)}.control-btn:hover{background:#6366f133;border-color:var(--accent-primary)}.control-btn.active{background:var(--accent-primary);border-color:var(--accent-primary)}.speed-label{font-family:var(--font-mono);font-size:.8rem;color:var(--accent-sun);min-width:36px;text-align:center}.slider-container{display:flex;flex-direction:column;gap:4px}.slider-label{font-size:.72rem;color:var(--text-muted);text-align:center}.slider-input{-webkit-appearance:none;width:160px;height:8px;border-radius:4px;background:var(--border-subtle);outline:none;cursor:pointer}.slider-input::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent-primary);box-shadow:0 0 8px #6366f166;cursor:pointer}.perf-toggle{display:flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-size:.75rem;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast)}.perf-toggle:hover{border-color:var(--accent-primary);color:var(--text-primary)}.perf-toggle .indicator{width:8px;height:8px;border-radius:50%}.perf-toggle .indicator.high{background:var(--accent-success);box-shadow:0 0 6px #10b98180}.perf-toggle .indicator.low{background:var(--accent-sun);box-shadow:0 0 6px #fbbf2480}.info-panel{position:absolute;top:16px;right:16px;width:320px;max-height:calc(100vh - 120px);overflow-y:auto;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:20px;z-index:40;transition:width var(--transition-normal),padding var(--transition-normal)}.info-panel.collapsed{width:auto;max-height:none;overflow:visible;padding:12px 16px}.info-panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.info-panel-toggle{background:none;border:none;color:var(--text-muted);font-size:.75rem;padding:4px 8px;cursor:pointer;transition:color var(--transition-fast);border-radius:var(--radius-sm)}.info-panel-toggle:hover{color:var(--text-primary);background:#ffffff1a}.info-panel-title{font-size:1rem;font-weight:700;color:var(--text-accent);margin-bottom:0;white-space:nowrap}.info-panel:not(.collapsed) .info-panel-title{margin-bottom:12px}.info-panel:not(.collapsed) .info-panel-header{margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--border-subtle)}.info-panel-content{font-size:.85rem;color:var(--text-secondary);line-height:1.7}.info-panel-stat{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border-subtle)}.info-panel-stat-label{color:var(--text-muted);font-size:.8rem}.info-panel-stat-value{font-family:var(--font-mono);font-size:.85rem;color:var(--accent-sun)}.scale-toggle{display:flex;gap:4px;padding:4px;background:var(--bg-secondary);border-radius:var(--radius-sm);border:1px solid var(--border-subtle)}.scale-btn{padding:6px 14px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);font-size:.78rem;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.scale-btn.active{background:var(--accent-primary);color:#fff}.graph-panel{position:absolute;right:16px;top:16px;width:380px;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:16px;z-index:40}.graph-title{font-size:.9rem;font-weight:600;margin-bottom:12px}.graph-canvas{width:100%;height:200px;background:#0000004d;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);cursor:crosshair}.graph-connect-btn{width:100%;margin-top:12px;padding:10px;border:none;border-radius:var(--radius-sm);background:var(--gradient-cosmic);color:#fff;font-family:var(--font-sans);font-weight:600;font-size:.9rem;cursor:pointer;transition:opacity var(--transition-fast)}.graph-connect-btn:hover{opacity:.9}.graph-connect-btn:disabled{opacity:.4;cursor:not-allowed}.volume-bar-container{position:absolute;bottom:80px;left:16px;right:16px;background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:12px 16px;z-index:30}.volume-bar-title{font-size:.72rem;color:var(--text-muted);margin-bottom:8px}.volume-bar-list{display:flex;align-items:flex-end;gap:8px;height:60px}.volume-bar-item{display:flex;flex-direction:column;align-items:center;gap:4px;flex:1}.volume-bar-bar{border-radius:3px 3px 0 0;width:100%;min-width:20px;transition:height var(--transition-slow)}.volume-bar-label{font-size:.6rem;color:var(--text-muted);white-space:nowrap}.canvas-container{width:100%;height:100%;position:relative}.back-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-size:.8rem;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.back-btn:hover{border-color:var(--accent-primary);color:var(--text-primary)}.hover-card{position:absolute;padding:16px;background:var(--bg-card);border:1px solid var(--border-glow);border-radius:var(--radius-md);box-shadow:var(--shadow-card);pointer-events:none;z-index:200;max-width:280px;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.hover-card-name{font-size:1rem;font-weight:700;margin-bottom:8px}.day-night-circle{width:120px;height:120px;border-radius:50%;position:relative;border:2px solid var(--border-subtle)}@media(max-width:479px){.module-home{padding:16px;gap:24px}.module-home-title{font-size:1.3rem}.module-home-subtitle{font-size:.85rem;margin-top:-12px}.module-cards{grid-template-columns:1fr;gap:16px}.module-card{padding:20px 16px}.module-card-icon{font-size:2.2rem;margin-bottom:12px}.module-card-title{font-size:1.1rem}.module-card-desc{font-size:.85rem}.app-header{padding:8px 12px}.app-logo-text{font-size:.9rem;letter-spacing:1px}.perf-toggle{padding:4px 8px;font-size:.7rem}.info-panel{position:fixed;inset:auto 0 0;width:100%;max-height:45vh;border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:16px;z-index:60}.info-panel.collapsed{max-height:52px;padding:12px 16px}.graph-panel{position:fixed;bottom:0;left:0;right:0;width:100%;max-height:50vh;border-radius:var(--radius-lg) var(--radius-lg) 0 0}.controls-panel{bottom:12px;padding:8px 12px;gap:6px;max-width:calc(100vw - 24px);flex-wrap:wrap;justify-content:center}.control-btn{width:36px;height:36px;font-size:1rem}.slider-input{width:100px}.control-hints{bottom:12px;left:12px}.control-hints-toggle{width:38px;height:38px;font-size:1rem}.sub-module-nav{padding:6px 12px;gap:4px;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}.sub-module-btn{padding:6px 12px;font-size:.78rem;flex-shrink:0}.quiz-trigger-btn{bottom:70px;left:12px;padding:8px 14px;font-size:.8rem}}@media(min-width:480px)and (max-width:767px){.module-cards{grid-template-columns:1fr;max-width:400px;margin:0 auto}.info-panel{width:280px;right:12px;top:12px;padding:16px}.graph-panel{width:320px;right:12px}.controls-panel{padding:10px 18px;gap:10px}.app-header{padding:10px 16px}.module-home-title{font-size:1.6rem}}@media(min-width:768px)and (max-width:1023px){.module-cards{grid-template-columns:repeat(2,1fr);gap:20px}.info-panel{width:300px}.graph-panel{width:340px}}@media(min-width:1024px)and (max-width:1279px){.module-cards{grid-template-columns:repeat(3,1fr);gap:24px}.module-home-title{font-size:2rem}}@media(min-width:1280px){.module-home{padding:48px;gap:48px}.module-home-title{font-size:2.5rem}.module-cards{grid-template-columns:repeat(3,1fr);gap:32px;max-width:1200px}.module-card{padding:36px 32px}.info-panel{width:360px}.graph-panel{width:420px}}@media(prefers-contrast:high){:root{--border-subtle: rgba(255, 255, 255, .3);--text-secondary: #b8c4d4}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.onboarding-overlay{position:fixed;inset:0;background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn .3s ease-out}.onboarding-modal{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:var(--radius-lg);padding:40px;max-width:480px;width:90%;text-align:center;box-shadow:0 20px 60px #00000080,0 0 40px #6366f133}.onboarding-icon{font-size:3.5rem;margin-bottom:20px;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.onboarding-title{font-size:1.4rem;font-weight:700;color:var(--text-primary);margin-bottom:16px}.onboarding-content{font-size:.95rem;color:var(--text-secondary);line-height:1.8;margin-bottom:24px;white-space:pre-line}.onboarding-progress{display:flex;justify-content:center;gap:8px;margin-bottom:28px}.onboarding-dot{width:10px;height:10px;border-radius:50%;background:var(--border-subtle);transition:all var(--transition-normal)}.onboarding-dot.active{background:var(--accent-primary);transform:scale(1.3)}.onboarding-dot.completed{background:var(--accent-success)}.onboarding-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.onboarding-btn{padding:12px 24px;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);border:none}.onboarding-btn.primary{background:var(--gradient-cosmic);color:#fff}.onboarding-btn.primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #6366f166}.onboarding-btn.secondary{background:transparent;border:1px solid var(--border-subtle);color:var(--text-secondary)}.onboarding-btn.secondary:hover{border-color:var(--text-muted);color:var(--text-primary)}.onboarding-btn.skip{background:transparent;color:var(--text-muted);font-size:.85rem}.onboarding-btn.skip:hover{color:var(--text-secondary)}.objectives-overlay{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:9998;animation:fadeIn .3s ease-out}.objectives-modal{background:linear-gradient(135deg,#111827f2,#1e293bf2);border:1px solid var(--border-glow);border-radius:var(--radius-lg);padding:32px 40px;max-width:500px;width:90%;box-shadow:0 20px 60px #00000080}.objectives-header{display:flex;gap:12px;margin-bottom:12px}.objectives-grade{background:var(--gradient-cosmic);color:#fff;padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:600}.objectives-unit{background:#ffffff1a;color:var(--text-secondary);padding:4px 12px;border-radius:20px;font-size:.75rem}.objectives-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}.objectives-subtitle{font-size:.85rem;color:var(--text-muted);margin-bottom:20px}.objectives-list{list-style:none;margin-bottom:24px}.objectives-item{display:flex;align-items:flex-start;gap:10px;padding:10px 0;font-size:.9rem;color:var(--text-secondary);border-bottom:1px solid var(--border-subtle)}.objectives-item:last-child{border-bottom:none}.objectives-check{color:var(--accent-success);font-weight:700;flex-shrink:0}.objectives-tip{background:#fbbf241a;border:1px solid rgba(251,191,36,.3);border-radius:var(--radius-md);padding:14px 16px;margin-bottom:24px;display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--accent-sun);line-height:1.6}.objectives-tip-icon{flex-shrink:0;font-size:1.1rem}.objectives-btn{width:100%;padding:14px 24px;background:var(--gradient-cosmic);color:#fff;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.objectives-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #6366f166}.control-hints{position:fixed;bottom:20px;left:20px;z-index:50}.control-hints-toggle{width:44px;height:44px;border-radius:50%;background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:1.2rem;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.control-hints-toggle:hover{background:var(--bg-card);border-color:var(--accent-primary);color:var(--text-primary);transform:scale(1.1)}.control-hints.expanded .control-hints-toggle{background:var(--accent-primary);color:#fff}.control-hints-content{position:absolute;bottom:54px;left:0;background:var(--bg-card);border:1px solid var(--border-glow);border-radius:var(--radius-md);padding:16px;min-width:220px;box-shadow:var(--shadow-card);animation:fadeIn .2s ease-out}.control-hints-title{font-size:.85rem;font-weight:700;color:var(--text-primary);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border-subtle)}.control-hint-item{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:.8rem}.control-hint-icon{font-size:1rem;width:24px;text-align:center}.control-hint-action{color:var(--accent-sun);font-weight:600;min-width:80px}.control-hint-desc{color:var(--text-muted)}.control-hints-footer{margin-top:10px;padding-top:10px;border-top:1px solid var(--border-subtle);font-size:.7rem;color:var(--text-muted);text-align:center}.quiz-trigger-btn{position:fixed;bottom:80px;left:20px;padding:10px 18px;background:var(--gradient-cosmic);color:#fff;border:none;border-radius:var(--radius-md);font-size:.85rem;font-weight:600;cursor:pointer;z-index:50;transition:all var(--transition-fast);box-shadow:0 4px 15px #6366f14d}.quiz-trigger-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f166}.quiz-overlay{position:fixed;inset:0;background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn .3s ease-out}.quiz-modal{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:var(--radius-lg);padding:32px;max-width:540px;width:90%;position:relative;box-shadow:0 20px 60px #00000080}.quiz-close{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer;transition:color var(--transition-fast)}.quiz-close:hover{color:var(--text-primary)}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.quiz-title{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.quiz-progress{background:var(--bg-glass);padding:6px 14px;border-radius:20px;font-size:.8rem;color:var(--text-muted)}.quiz-question{font-size:1.1rem;color:var(--text-primary);line-height:1.7;margin-bottom:24px;padding:16px;background:#ffffff08;border-radius:var(--radius-md);border-left:3px solid var(--accent-primary)}.quiz-options{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.quiz-option{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#ffffff0d;border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.95rem;cursor:pointer;transition:all var(--transition-fast);text-align:left}.quiz-option:hover:not(:disabled){background:#ffffff1a;border-color:var(--accent-primary)}.quiz-option:disabled{cursor:default}.quiz-option.correct{background:#10b98126;border-color:var(--accent-success);color:var(--accent-success)}.quiz-option.wrong{background:#ef444426;border-color:var(--accent-danger);color:var(--accent-danger)}.quiz-option-letter{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--bg-glass);border-radius:50%;font-weight:700;font-size:.85rem;flex-shrink:0}.quiz-explanation{padding:16px;border-radius:var(--radius-md);margin-top:16px;animation:fadeIn .3s ease-out}.quiz-explanation.correct{background:#10b9811a;border:1px solid rgba(16,185,129,.3)}.quiz-explanation.wrong{background:#ef44441a;border:1px solid rgba(239,68,68,.3)}.quiz-result-icon{font-size:1rem;font-weight:700;margin-bottom:8px}.quiz-explanation p{font-size:.9rem;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}.quiz-next-btn{width:100%;padding:12px;background:var(--gradient-cosmic);color:#fff;border:none;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.quiz-next-btn:hover{transform:translateY(-1px);box-shadow:0 4px 15px #6366f14d}.quiz-complete{text-align:center;padding:20px 0}.quiz-complete-icon{font-size:4rem;margin-bottom:16px}.quiz-complete-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:12px}.quiz-complete-score{font-size:1.1rem;color:var(--text-secondary);margin-bottom:16px}.quiz-complete-score strong{color:var(--accent-sun);font-size:1.3rem}.quiz-complete-message{font-size:.95rem;color:var(--text-muted);margin-bottom:28px;line-height:1.6}.quiz-complete-actions{display:flex;gap:12px;justify-content:center}.quiz-restart-btn{padding:12px 24px;background:var(--gradient-cosmic);color:#fff;border:none;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.quiz-restart-btn:hover{transform:translateY(-1px)}.quiz-close-btn{padding:12px 24px;background:transparent;color:var(--text-muted);border:1px solid var(--border-subtle);border-radius:var(--radius-md);font-size:.9rem;cursor:pointer;transition:all var(--transition-fast)}.quiz-close-btn:hover{border-color:var(--text-muted);color:var(--text-primary)}.module-loader{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:20px;color:var(--text-secondary);font-size:.95rem}.module-loader-spinner{width:48px;height:48px;border:3px solid var(--border-subtle);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}kbd{display:inline-block;padding:2px 6px;font-family:var(--font-mono);font-size:.75rem;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:4px;box-shadow:0 1px 2px #0003}.control-hints-list{list-style:none;padding:0;margin:0}*:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}button:focus-visible,a:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.skip-link{position:absolute;top:-100px;left:50%;transform:translate(-50%);padding:12px 24px;background:var(--accent-primary);color:#fff;border-radius:var(--radius-md);z-index:10000;transition:top var(--transition-fast)}.skip-link:focus{top:10px}@media(hover:none)and (pointer:coarse){.control-btn{width:48px;height:48px;font-size:1.2rem}.sub-module-btn{padding:10px 16px;font-size:.9rem}.slider-input{height:12px}.slider-input::-webkit-slider-thumb{width:28px;height:28px}.module-card{-webkit-tap-highlight-color:transparent}.module-card:active{transform:scale(.98)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:#6366f14d;color:var(--text-primary)}.loading-pulse{animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media(max-width:479px){.info-panel:before{content:"";position:absolute;top:8px;left:50%;transform:translate(-50%);width:36px;height:4px;background:var(--border-subtle);border-radius:2px}}.about-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;z-index:10000;animation:fadeIn .2s ease-out}.about-modal-content{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);width:90%;max-width:500px;padding:32px;position:relative;box-shadow:0 20px 40px #00000080,inset 0 1px 1px #ffffff1a;color:var(--text-primary);animation:slideUp .3s cubic-bezier(.16,1,.3,1)}.about-close-btn{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--text-secondary);font-size:24px;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.about-close-btn:hover{background:#ffffff1a;color:var(--text-primary)}.about-modal-content h2{margin:0 0 4px;font-size:1.5rem;background:var(--gradient-cosmic);-webkit-background-clip:text;color:transparent}.about-version{color:var(--text-tertiary);font-size:.9rem;margin:0 0 24px}.about-section{border-top:1px solid var(--border-subtle);padding-top:24px}.about-section h3{font-size:1.1rem;color:var(--accent-blue);margin:0 0 16px}.credit-item{background:#0003;border-radius:var(--radius-md);padding:16px;margin-bottom:16px}.credit-item h4{margin:0 0 8px;color:var(--text-primary);font-size:1rem}.credit-item p{margin:0 0 12px;color:var(--text-secondary);font-size:.9rem;line-height:1.5}.license-info{display:flex;align-items:center;gap:12px;margin:0!important}.badge{font-size:.75rem;padding:4px 8px;border-radius:4px;font-weight:600;letter-spacing:.5px}.badge.cc-by{background:#ffab0033;color:#ffab00;border:1px solid rgba(255,171,0,.3)}.badge.cc0{background:#36b37e33;color:#36b37e;border:1px solid rgba(54,179,126,.3)}.license-info a{color:var(--accent-blue);text-decoration:none;font-size:.9rem;transition:opacity .2s}.license-info a:hover{opacity:.8;text-decoration:underline}.about-footer{margin-top:24px;padding-top:16px;border-top:1px solid var(--border-subtle);text-align:center;color:var(--text-tertiary);font-size:.85rem}@keyframes slideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}