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rgba(71,85,105,.5);color:#94a3b8;padding:8px;border-radius:50%;cursor:pointer;transition:all .2s}.mute-btn:hover{color:#f1f5f9;border-color:#38bdf8}.game-content{flex:1;display:flex;justify-content:center;align-items:center;position:relative;padding:20px}.overlay-panel{background:#0f172ae6;border:2px solid rgba(56,189,248,.3);border-radius:24px;padding:40px;width:100%;max-width:550px;box-shadow:0 0 50px #38bdf826;text-align:center;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.title-glow{font-size:3rem;font-weight:900;letter-spacing:4px;margin-bottom:8px;background:linear-gradient(to right,#38bdf8,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 20px rgba(56,189,248,.4)}.subtitle{color:#94a3b8;font-size:.95rem;margin-bottom:30px}.car-preview{position:relative;height:140px;display:flex;justify-content:center;align-items:center;margin-bottom:24px}.neon-ring{position:absolute;width:180px;height:45px;border:2px solid #38bdf8;border-radius:50%;transform:rotateX(60deg);box-shadow:0 0 20px #38bdf8;animation:pulseRing 2s infinite ease-in-out}@keyframes pulseRing{0%,to{transform:rotateX(60deg) scale(1);opacity:.6}50%{transform:rotateX(60deg) scale(1.15);opacity:1}}.preview-car-body{width:110px;height:50px;border-radius:12px 12px 6px 6px;position:relative;z-index:2;box-shadow:0 12px 24px #0009;transition:background-color .3s;background:linear-gradient(to bottom,rgba(255,255,255,.15),transparent 60%)}.preview-spoiler{position:absolute;top:-14px;left:-10px;width:130px;height:8px;background-color:#1e293b;border-radius:4px;border-top:3px solid;box-shadow:0 4px 6px #0000004d}.preview-spoiler:before,.preview-spoiler:after{content:"";position:absolute;width:4px;height:12px;background-color:#0f172a;top:0}.preview-spoiler:before{left:15px}.preview-spoiler:after{right:15px}.preview-cabin{position:absolute;top:6px;left:22px;width:66px;height:24px;background-color:#0f172a;border-radius:8px 8px 2px 2px;overflow:hidden}.preview-windshield{width:100%;height:60%;background:linear-gradient(135deg,rgba(56,189,248,.4) 0%,transparent 60%)}.preview-taillights{position:absolute;bottom:12px;left:10px;width:90px;height:4px;background-color:#ef4444;border-radius:2px;box-shadow:0 0 10px #ef4444}.preview-exhausts{position:absolute;bottom:-4px;left:25px;width:60px;display:flex;justify-content:space-between}.exhaust-glow{width:10px;height:10px;background-color:#374151;border-radius:50%;border:2px solid #1f2937;position:relative}.exhaust-glow:after{content:"";position:absolute;top:2px;left:2px;width:4px;height:4px;background-color:#38bdf8;border-radius:50%;box-shadow:0 0 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rgba(71,85,105,.8);padding:12px 28px;font-size:1rem;font-weight:600;border-radius:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}.btn-secondary:hover{background:#334155cc;border-color:#38bdf8}.kbd-hint{font-size:.75rem;background:#0006;padding:2px 6px;border-radius:4px;border:1px solid rgba(255,255,255,.2);color:#94a3b8;margin-left:8px;font-family:monospace}.controls-guide{margin-top:24px;font-size:.8rem;color:#64748b}.controls-guide span{color:#38bdf8;font-weight:700}.garage-panel{max-width:600px}.panel-title{font-size:2rem;font-weight:800;margin-bottom:8px;color:#38bdf8}.panel-desc{color:#94a3b8;margin-bottom:24px}.upgrades-list{display:flex;flex-direction:column;gap:16px}.upgrade-card{display:flex;justify-content:space-between;align-items:center;background:#1e293b80;border:1px solid rgba(71,85,105,.5);padding:16px 20px;border-radius:16px}.upgrade-info{text-align:left}.upgrade-info h3{margin:0 0 8px;font-size:1.05rem;font-weight:700;display:flex;align-items:center}.level-dots{display:flex;gap:6px}.level-dots .dot{width:10px;height:10px;border-radius:50%;background:#334155}.level-dots .dot.filled{background:#38bdf8;box-shadow:0 0 8px #38bdf8}.btn-buy{background:#eab308;color:#0f172a;border:none;padding:10px 20px;font-weight:700;border-radius:8px;cursor:pointer;transition:all .2s}.btn-buy:hover:not(.disabled):not(.maxed){transform:scale(1.05);box-shadow:0 0 12px #eab30880}.btn-buy.disabled{background:#475569;color:#94a3b8;cursor:not-allowed}.btn-buy.maxed{background:#10b981;color:#fff;cursor:default}.gameplay-area{position:relative;width:800px;height:450px;border-radius:20px;overflow:hidden;box-shadow:0 20px 50px #000c,0 0 30px #38bdf833;border:2px solid rgba(51,65,85,.8);transition:transform .1s ease-out}.gameplay-area.nitro-active{animation:screenShake .15s infinite alternate}@keyframes screenShake{0%{transform:translate(1px,1px) rotate(.1deg)}to{transform:translate(-1px,-1px) rotate(-.1deg)}}.game-canvas{display:block;width:100%;height:100%}.hud-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;justify-content:space-between;padding:20px;box-sizing:border-box}.hud-left,.hud-right{display:flex;flex-direction:column;justify-content:space-between}.speedometer{background:#0f172ad9;border:1px solid rgba(56,189,248,.4);padding:12px 20px;border-radius:16px;display:flex;flex-direction:column;align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:all .2s}.speedometer.redline-alert{border-color:#f05;box-shadow:0 0 15px #f059;animation:redlineFlash .3s infinite alternate}@keyframes redlineFlash{0%{background:#0f172ad9}to{background:#9039}}.speed-num{font-size:2.5rem;font-weight:900;font-family:monospace;color:#38bdf8;text-shadow:0 0 10px rgba(56,189,248,.5);line-height:1}.speedometer.redline-alert .speed-num{color:#f05;text-shadow:0 0 15px #ff0055}.speed-unit{font-size:.75rem;color:#94a3b8;font-weight:700;margin-top:4px}.rpm-bar-container{background:#0f172ad9;border:1px solid rgba(51,65,85,.5);padding:8px 12px;border-radius:8px;width:140px}.rpm-label{font-size:.65rem;color:#94a3b8;margin-bottom:4px}.rpm-track{height:6px;background:#1e293b;border-radius:3px;overflow:hidden}.rpm-fill{height:100%;background:linear-gradient(to right,#00f5d4,#fee440,#f05);transition:width .1s ease-out}.rpm-redline{animation:rpmFlash .1s infinite}@keyframes rpmFlash{0%,to{opacity:1}50%{opacity:.4}}.hud-stat{background:#0f172ad9;border:1px solid rgba(51,65,85,.5);padding:8px 16px;border-radius:12px;text-align:right}.hud-stat .label{font-size:.65rem;color:#94a3b8;display:block}.hud-stat .value{font-size:1.25rem;font-weight:800;font-family:monospace}.nitro-container{background:#0f172ad9;border:1px solid rgba(56,189,248,.4);padding:8px 12px;border-radius:8px;width:140px}.nitro-label{font-size:.65rem;color:#38bdf8;display:flex;align-items:center;gap:4px;margin-bottom:4px;font-weight:700}.nitro-track{height:6px;background:#1e293b;border-radius:3px;overflow:hidden}.nitro-fill{height:100%;background:#38bdf8;box-shadow:0 0 8px #38bdf8}.results-card{background:#1e293b80;border:1px solid rgba(71,85,105,.5);border-radius:16px;padding:20px;margin-bottom:24px}.result-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0}.result-row:not(:last-child){border-bottom:1px solid rgba(71,85,105,.3)}.ai-commentary-bar{display:flex;align-items:center;gap:16px;padding:16px 24px;background:#0f172af2;border-top:1px solid rgba(56,189,248,.3);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.ai-avatar{background:#38bdf81a;border:1px solid rgba(56,189,248,.3);padding:10px;border-radius:50%;display:flex;align-items:center;justify-content:center}.commentary-text{flex:1;text-align:left}.commentary-label{font-size:.75rem;color:#38bdf8;font-weight:800;text-transform:uppercase;letter-spacing:1px}.commentary-text p{margin:4px 0 0;color:#e2e8f0;font-size:.95rem;font-weight:500}.loading-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#020617e6;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.spinner{width:50px;height:50px;border:4px solid rgba(56,189,248,.1);border-top-color:#38bdf8;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{margin-top:20px;font-size:1.1rem;font-weight:700;letter-spacing:1px;color:#38bdf8;text-shadow:0 0 10px rgba(56,189,248,.5)}.countdown-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;background:#0006;z-index:20}.countdown-number{font-size:6rem;font-weight:900;color:#00f5d4;text-shadow:0 0 30px #00f5d4;animation:zoomInOut 1s ease-in-out infinite}@keyframes zoomInOut{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.2);opacity:1}to{transform:scale(1);opacity:0}}.speed-lines-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:15;background:radial-gradient(circle,transparent 40%,rgba(0,245,212,.15) 100%);box-shadow:inset 0 0 100px #00f5d466}