:root{--bg-deep:#08090c;--bg-surface:#111318;--bg-card:#161920;--bg-game:#0d0f14;--border:#1f222a;--border-active:#2a2e3a;--text-primary:#e4e4e7;--text-secondary:#8b8d97;--text-muted:#5c5e6b;--neon-red:#ff2d3b;--neon-red-glow:rgba(255, 45, 59, 0.5);--neon-green:#00f04a;--neon-green-glow:rgba(0, 240, 74, 0.4);--neon-amber:#ff9f0a;--neon-amber-glow:rgba(255, 159, 10, 0.4);--neon-cyan:#00d4ff;--accent-gold:#ffd60a;--f1-light-off:#3d1015;--f1-light-on:#ff1a1a;--font-display:'Orbitron',monospace;--font-heading:'Rajdhani','PingFang SC','Microsoft YaHei',sans-serif;--font-body:'PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{background:var(--bg-deep);background-image:radial-gradient(ellipse 80% 60% at 50% 0,rgba(255,45,59,.04) 0,transparent 60%),radial-gradient(ellipse 60% 50% at 80% 100%,rgba(0,240,74,.03) 0,transparent 50%),radial-gradient(ellipse 50% 40% at 20% 100%,rgba(0,212,255,.03) 0,transparent 50%);min-height:100vh;font-family:var(--font-body);color:var(--text-primary);-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;overflow-x:hidden}.main-container{max-width:960px;margin:0 auto;padding:16px 12px 48px}.app-header{text-align:center;padding:24px 0 8px}.app-header .brand{font-family:var(--font-display);font-size:1.6rem;font-weight:900;letter-spacing:4px;text-transform:uppercase;background:linear-gradient(135deg,#fff 20%,#a0a0b0 80%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-header .brand span{color:var(--neon-red);-webkit-text-fill-color:var(--neon-red)}.app-header .tagline{font-family:var(--font-heading);font-size:.85rem;color:var(--text-muted);letter-spacing:3px;text-transform:uppercase;margin-top:2px}.mode-tabs{display:flex;justify-content:center;gap:4px;margin:20px auto 16px;background:var(--bg-surface);border-radius:50px;padding:4px;max-width:400px;border:1px solid var(--border)}.mode-tab{flex:1;padding:10px 16px;border-radius:50px;border:none;background:0 0;color:var(--text-secondary);cursor:pointer;font-family:var(--font-heading);font-weight:600;font-size:.9rem;letter-spacing:1px;transition:.25s;white-space:nowrap;text-align:center}.mode-tab:hover{color:#fff}.mode-tab.active{background:var(--neon-red);color:#fff;box-shadow:0 4px 16px var(--neon-red-glow)}.game-outer{position:relative;margin-bottom:20px}.game-area{position:relative;background:var(--bg-game);border-radius:20px;border:2px solid var(--border);min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;transition:border-color .3s,box-shadow .3s,background .3s;box-shadow:0 8px 40px rgba(0,0,0,.4)}.game-area.state-waiting{border-color:#5a3a10;box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 60px rgba(255,159,10,.1)}.game-area.state-lighting{border-color:#5a1015;box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 50px rgba(255,45,59,.15)}.game-area.state-holding{border-color:#5a1015;box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 70px rgba(255,45,59,.25);animation:.8s ease-in-out infinite holdPulse}.game-area.state-go{background:#0a1a0a!important;border-color:#0a5a20!important;box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 80px var(--neon-green-glow);animation:.15s ease-out goFlash}.game-area.state-result{border-color:var(--border-active)}.game-area.state-false{background:#1a0808!important;border-color:#5a1010!important;animation:.5s ease-out shake}@keyframes holdPulse{0%,100%{box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 50px rgba(255,45,59,.15)}50%{box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 90px rgba(255,45,59,.4)}}@keyframes goFlash{from{background:#0f3a0f!important;box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 140px rgba(0,240,74,.7)}to{background:#0a1a0a!important;box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 80px var(--neon-green-glow)}}@keyframes shake{0%,100%{transform:translateX(0)}15%{transform:translateX(-8px)}30%{transform:translateX(8px)}45%{transform:translateX(-5px)}60%{transform:translateX(5px)}75%{transform:translateX(-2px)}90%{transform:translateX(2px)}}.f1-lights-row{display:flex;gap:12px;margin-bottom:16px;z-index:2;pointer-events:none;transition:opacity .3s}.f1-light{width:42px;height:42px;border-radius:50%;background:var(--f1-light-off);box-shadow:0 2px 8px rgba(0,0,0,.6),inset 0 2px 4px rgba(255,255,255,.05);transition:background 80ms,box-shadow 80ms}@media (min-width:768px){.game-area{min-height:440px}.f1-lights-row{gap:18px;margin-bottom:24px}.f1-light{width:54px;height:54px}}.f1-light.lit{background:var(--f1-light-on);box-shadow:0 0 24px rgba(255,26,26,.8),0 0 60px rgba(255,26,26,.3),0 2px 8px rgba(0,0,0,.3),inset 0 1px 2px rgba(255,255,255,.2)}.game-content{text-align:center;z-index:2;pointer-events:none;transition:.2s}.game-icon{font-size:3.4rem;display:block;margin-bottom:8px;transition:.3s}@media (min-width:768px){.game-icon{font-size:4.5rem}}.game-text{font-family:var(--font-heading);font-size:1.2rem;font-weight:600;letter-spacing:2px;color:var(--text-secondary);text-transform:uppercase}.state-go .game-text{color:var(--neon-green);font-size:1.5rem;font-family:var(--font-display);letter-spacing:3px}.reaction-display{display:none;text-align:center;z-index:2;pointer-events:none}.reaction-display.show{display:block}.reaction-ms{font-family:var(--font-display);font-size:4.5rem;font-weight:900;line-height:1;transition:color .3s}@media (min-width:768px){.reaction-ms{font-size:6rem}}.reaction-label{font-family:var(--font-heading);font-size:.85rem;color:var(--text-muted);letter-spacing:3px;margin-top:4px}.reaction-grade{font-family:var(--font-heading);font-size:1rem;font-weight:600;letter-spacing:2px;margin-top:6px}.round-dots{display:flex;gap:8px;justify-content:center;margin-bottom:12px;pointer-events:none;z-index:2}.round-dot{width:10px;height:10px;border-radius:50%;background:var(--border);transition:.3s}.round-dot.done-good{background:var(--neon-green);box-shadow:0 0 8px var(--neon-green-glow)}.round-dot.done-ok{background:var(--neon-amber);box-shadow:0 0 8px var(--neon-amber-glow)}.round-dot.done-slow{background:var(--neon-red);box-shadow:0 0 6px var(--neon-red-glow)}.round-dot.done-false{background:#ff0040;box-shadow:0 0 6px rgba(255,0,64,.5)}.round-dot.current{background:#fff;box-shadow:0 0 12px rgba(255,255,255,.6);animation:.6s ease-in-out infinite dotPulse}@keyframes dotPulse{0%,100%{opacity:1}50%{opacity:.4}}.stats-row{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:14px 12px;text-align:center;transition:.2s}.stat-card .stat-value{font-family:var(--font-display);font-size:1.6rem;font-weight:700;line-height:1.1}@media (min-width:768px){.stats-row{grid-template-columns:repeat(4,1fr);gap:14px}.stat-card .stat-value{font-size:1.9rem}}.stat-card .stat-label{font-family:var(--font-heading);font-size:.7rem;color:var(--text-muted);letter-spacing:2px;text-transform:uppercase;margin-top:2px}.stat-card.stat-best .stat-value{color:var(--neon-green)}.stat-card.stat-avg .stat-value{color:var(--neon-cyan)}.stat-card.stat-worst .stat-value{color:var(--neon-red)}.stat-card.stat-consistency .stat-value{color:var(--accent-gold)}.alltime-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:18px 16px;margin-bottom:16px}.alltime-title{font-family:var(--font-heading);font-size:.8rem;color:var(--text-muted);letter-spacing:3px;text-transform:uppercase;margin-bottom:14px;text-align:center}.alltime-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:center}.alltime-item .alltime-value{font-family:var(--font-display);font-size:1.3rem;font-weight:700}@media (min-width:768px){.alltime-item .alltime-value{font-size:1.6rem}}.alltime-item .alltime-label{font-size:.65rem;color:var(--text-muted);letter-spacing:1px;text-transform:uppercase}.alltime-item.best-ever .alltime-value{color:var(--accent-gold)}.alltime-item.rank .alltime-value{color:var(--neon-cyan)}.benchmark-section{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:18px 16px;margin-bottom:16px}.benchmark-title{font-family:var(--font-heading);font-size:.8rem;color:var(--text-muted);letter-spacing:3px;text-transform:uppercase;margin-bottom:14px;text-align:center}.benchmark-bar{position:relative;height:8px;border-radius:4px;background:linear-gradient(to right,#00f04a 0,#7fff00 10%,#ffd60a 30%,#ff9f0a 50%,#ff6b35 70%,#ff2d3b 90%,#ff0040 100%);margin-bottom:8px}.benchmark-marker{position:absolute;top:-6px;width:16px;height:20px;background:#fff;border-radius:3px;transform:translateX(-50%);box-shadow:0 0 12px rgba(255,255,255,.5);transition:left .5s}.benchmark-labels{display:flex;justify-content:space-between;font-size:.6rem;color:var(--text-muted);letter-spacing:.5px}.history-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:18px 16px;margin-bottom:16px}.history-title{font-family:var(--font-heading);font-size:.8rem;color:var(--text-muted);letter-spacing:3px;text-transform:uppercase;margin-bottom:10px;text-align:center}.history-table{width:100%;font-size:.82rem;border-collapse:collapse}.history-table th{color:var(--text-muted);font-weight:500;font-size:.68rem;letter-spacing:1px;text-transform:uppercase;padding:8px 6px;border-bottom:1px solid var(--border);text-align:center}.history-table td{padding:8px 6px;text-align:center;border-bottom:1px solid rgba(255,255,255,.03);font-family:var(--font-display);font-size:.78rem}.history-table .mode-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:.65rem;font-family:var(--font-body);letter-spacing:.5px}.mode-badge.simple{background:rgba(0,212,255,.15);color:var(--neon-cyan)}.mode-badge.f1{background:rgba(255,45,59,.15);color:var(--neon-red)}.grade-elite{color:#ffd60a}.grade-pro{color:#00f04a}.grade-good{color:#00d4ff}.grade-avg{color:#e0e0e0}.grade-slow{color:#ff9f0a}.grade-beginner{color:#ff2d3b}.history-empty{text-align:center;color:var(--text-muted);padding:24px;font-size:.85rem}.btn-racer{font-family:var(--font-heading);font-weight:600;letter-spacing:1.5px;text-transform:uppercase;border-radius:50px;padding:10px 24px;font-size:.85rem;transition:.2s}.btn-outline-racer{background:0 0;border:1.5px solid var(--border-active);color:var(--text-secondary)}.btn-outline-racer:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.03)}.btn-danger-racer{background:0 0;border:1.5px solid rgba(255,45,59,.4);color:var(--neon-red)}.btn-danger-racer:hover{background:rgba(255,45,59,.1);border-color:var(--neon-red)}.controls-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.share-preview{background:var(--bg-deep);border-radius:16px;padding:24px;text-align:center;border:2px solid var(--border)}.share-preview .share-ms{font-family:var(--font-display);font-size:5rem;font-weight:900;line-height:1}.share-preview .share-grade{font-family:var(--font-heading);font-size:1.1rem;letter-spacing:3px;margin-top:4px}.share-preview .share-brand{font-family:var(--font-display);font-size:.7rem;letter-spacing:3px;color:var(--text-muted);margin-top:12px}.toast-mini{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--bg-card);border:1px solid var(--border-active);color:#fff;padding:10px 24px;border-radius:50px;font-size:.85rem;z-index:9999;opacity:0;transition:opacity .3s;pointer-events:none;font-family:var(--font-heading);letter-spacing:1px}.toast-mini.show{opacity:1}.intro-text{text-align:center;max-width:720px;margin:0 auto 8px;font-size:.88rem;color:var(--text-secondary);line-height:1.85;padding:0 8px}.intro-text .highlight{color:var(--neon-green);font-weight:600}.intro-text .highlight-red{color:var(--neon-red);font-weight:600}