:root{--bg-dark: #090d16;--panel-bg: #111827;--accent-color: #6366f1;--text-main: #f3f4f6;--text-muted: #9ca3af;--gold-color: #f59e0b}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-dark);color:var(--text-main);overflow-x:hidden}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-header{display:flex;justify-content:space-between;align-items:center;padding:12px 24px;background-color:#111827d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.05);position:sticky;top:0;z-index:50}.brand{display:flex;align-items:center;gap:10px}.brand-logo{font-size:28px}.brand-text h1{font-size:16px;font-weight:800;letter-spacing:1px;margin:0;color:#fff}.brand-sub{font-size:11px;color:var(--text-muted)}.nav-tabs{display:flex;gap:8px}.nav-btn{background:none;border:none;color:var(--text-muted);padding:8px 16px;font-size:14px;font-weight:600;border-radius:6px;cursor:pointer;transition:all .2s}.nav-btn:hover{color:#fff;background-color:#ffffff0d}.nav-btn.active{color:#fff;background-color:var(--accent-color)}.header-meta{display:flex;align-items:center;gap:16px}.coin-badge{display:flex;align-items:center;gap:6px;background-color:#f59e0b1a;border:1px solid rgba(245,158,11,.2);padding:6px 12px;border-radius:20px;font-weight:700;color:var(--gold-color)}.sync-badge{font-size:12px}.synced{color:#10b981;display:flex;align-items:center;gap:4px}.syncing{color:var(--gold-color);display:flex;align-items:center;gap:4px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.dashboard-container{padding:24px;max-width:1200px;margin:0 auto;width:100%;box-sizing:border-box}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.stat-card{background-color:var(--panel-bg);border:1px solid rgba(255,255,255,.05);border-radius:12px;padding:20px}.stat-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.stat-title{font-size:13px;color:var(--text-muted)}.stat-value{font-size:32px;font-weight:800;margin-bottom:4px}.stat-unit{font-size:14px;font-weight:400;color:var(--text-muted)}.stat-footer{font-size:11px;color:var(--text-muted)}.main-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px;margin-bottom:24px}.panel-card{background-color:var(--panel-bg);border:1px solid rgba(255,255,255,.05);border-radius:12px;padding:20px}.panel-header{display:flex;align-items:center;gap:8px;margin-bottom:16px}.panel-header h3{font-size:15px;font-weight:700;margin:0}.chart-wrapper{height:200px;position:relative;display:flex;align-items:center;justify-content:center}.svg-chart{width:100%;height:100%}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%}.empty-icon{font-size:40px;margin-bottom:12px}.empty-text{font-size:13px;color:var(--text-muted)}.car-showcase{display:flex;flex-direction:column;align-items:center}.car-avatar-container{position:relative;width:120px;height:120px;display:flex;align-items:center;justify-content:center}.car-avatar-glow{position:absolute;width:80px;height:80px;border-radius:50%;filter:blur(20px);opacity:.6}.car-avatar-sprite{font-size:64px;z-index:10;transition:transform .3s}.car-avatar-sprite:hover{transform:scale(1.1) rotate(-5deg)}.car-specs-list{width:100%;display:flex;flex-direction:column;gap:8px;margin-top:16px}.spec-item{display:flex;justify-content:space-between;font-size:13px;padding:6px 0;border-bottom:1px solid rgba(255,255,255,.03)}.spec-label{color:var(--text-muted)}.spec-val{font-weight:600}.bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.achievements-list{display:flex;flex-direction:column;gap:10px}.achievement-badge{display:flex;align-items:center;gap:12px;padding:12px;border-radius:8px;background-color:#ffffff05;border:1px solid rgba(255,255,255,.05)}.achievement-badge.unlocked{border-color:#f59e0b4d;background-color:#f59e0b05}.achievement-badge.locked{opacity:.5}.ach-icon{font-size:24px}.ach-info{flex-grow:1}.ach-title{font-size:14px;font-weight:700}.ach-desc{font-size:11px;color:var(--text-muted)}.ach-status{font-size:11px;font-weight:700}.records-list{display:flex;flex-direction:column;gap:8px}.record-row{display:flex;justify-content:space-between;align-items:center;padding:10px;background-color:#ffffff05;border-radius:6px;font-size:13px}.record-track-info{display:flex;align-items:center;gap:8px}.record-dot{width:8px;height:8px;border-radius:50%}.record-stats{display:flex;gap:12px;font-weight:600}.record-time{color:#10b981}.record-speed{color:#6366f1}.record-coins{color:var(--gold-color)}.record-date{font-size:11px;color:var(--text-muted)}.tracks-container{padding:24px;max-width:1200px;margin:0 auto}.section-header{margin-bottom:24px}.section-header h2{font-size:22px;font-weight:800;margin:0 0 6px}.tracks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.track-card{position:relative;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.05);transition:transform .3s}.track-card:hover{transform:translateY(-4px)}.track-card-bg{position:absolute;top:0;right:0;bottom:0;left:0;opacity:.15;transition:opacity .3s}.track-card:hover .track-card-bg{opacity:.3}.track-card-content{position:relative;padding:20px;z-index:10}.track-difficulty{font-size:11px;font-weight:700;color:var(--accent-color);margin-bottom:8px}.track-name{font-size:18px;font-weight:800;margin:0 0 8px}.track-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text-muted)}.locked-badge{display:flex;align-items:center;justify-content:center;background-color:#ffffff0d;padding:10px;border-radius:6px;font-size:12px;color:var(--text-muted)}.garage-container{padding:24px;max-width:1200px;margin:0 auto}.garage-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.upgrades-list{display:flex;flex-direction:column;gap:20px}.upgrade-row{display:flex;align-items:center;justify-content:space-between;background-color:#ffffff05;padding:16px;border-radius:8px}.upgrade-info{display:flex;flex-direction:column;gap:4px}.upgrade-name{font-size:14px;font-weight:700}.upgrade-level{font-size:11px;color:var(--text-muted)}.upgrade-progress{display:flex;gap:6px}.progress-dot{width:12px;height:12px;border-radius:50%;background-color:#ffffff1a}.progress-dot.active{background-color:var(--accent-color);box-shadow:0 0 8px var(--accent-color)}.btn-upgrade{background-color:var(--gold-color);color:#000;border:none;font-weight:700;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12px}.btn-upgrade:hover{background-color:#d97706}.max-badge{font-size:12px;color:#10b981;font-weight:700}.customizer-options{display:flex;flex-direction:column;gap:20px}.option-group{display:flex;flex-direction:column;gap:8px}.option-label{font-size:13px;color:var(--text-muted)}.color-picker{display:flex;gap:12px}.color-dot{width:32px;height:32px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .2s}.color-dot.active{border-color:#fff;transform:scale(1.1)}.btn-group{display:flex;background-color:#ffffff0d;padding:4px;border-radius:8px}.group-btn{flex-grow:1;background:none;border:none;color:var(--text-muted);padding:8px;font-size:13px;font-weight:600;border-radius:6px;cursor:pointer}.group-btn.active{background-color:var(--accent-color);color:#fff}.car-preview-box{position:relative;height:120px;background-color:#0000004d;border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden}.preview-underglow{position:absolute;width:100px;height:30px;border-radius:50%;filter:blur(15px);opacity:.8;bottom:25px}.preview-car-sprite{font-size:64px;z-index:10;animation:idleVibrate .15s infinite alternate}.preview-car-sprite.chrome{filter:drop-shadow(0 0 8px rgba(255,255,255,.8))}@keyframes idleVibrate{0%{transform:translateY(0)}to{transform:translateY(-2px)}}.preview-tag{position:absolute;top:8px;left:8px;font-size:10px;color:var(--text-muted);background-color:#ffffff0d;padding:2px 6px;border-radius:4px}.game-container{display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:#000;padding:20px;border-radius:16px;max-width:840px;margin:20px auto}.hud-overlay{display:flex;justify-content:space-between;align-items:center;width:100%;padding:10px 20px;background-color:#111827e6;border-radius:8px;margin-bottom:12px}.hud-left{display:flex;gap:24px}.hud-stat{display:flex;flex-direction:column}.hud-label{font-size:10px;color:var(--text-muted);letter-spacing:1px}.hud-value{font-size:24px;font-weight:900}.hud-center{width:200px}.track-progress-bar{width:100%;height:6px;background-color:#ffffff1a;border-radius:3px;overflow:hidden;margin-top:4px}.track-progress-fill{height:100%;background-color:#10b981}.nitro-bar-container{width:120px;height:12px;background-color:#ffffff1a;border-radius:6px;overflow:hidden;margin-top:4px}.nitro-bar-fill{height:100%;background-color:#3b82f6;box-shadow:0 0 8px #3b82f6}.canvas-wrapper{position:relative;width:800px;height:450px}.game-canvas{width:100%;height:100%;border-radius:8px;background-color:#111;display:block}.countdown-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background-color:#0000004d;z-index:30}.countdown-number{font-size:120px;font-weight:900;color:#fff;text-shadow:0 0 20px rgba(99,102,241,.8);animation:zoomInOut 1s infinite}@keyframes zoomInOut{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.2);opacity:1}to{transform:scale(1);opacity:0}}.game-controls-bar{display:flex;width:100%;justify-content:space-between;align-items:center;margin-top:12px}.control-btn{display:flex;align-items:center;gap:6px;background-color:#ffffff0d;border:none;color:#fff;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:12px}.control-btn:hover{background-color:#ffffff1a}.control-tips-inline{font-size:11px;color:var(--text-muted)}.finished-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#090d16f2;display:flex;align-items:center;justify-content:center;z-index:100}.finished-card{background-color:var(--panel-bg);border:1px solid rgba(255,255,255,.05);padding:32px;border-radius:16px;width:400px;display:flex;flex-direction:column;align-items:center}.trophy-glow{font-size:64px;animation:bounce 1s infinite alternate}@keyframes bounce{to{transform:translateY(-10px)}}.track-complete-name{font-size:14px;color:var(--text-muted);margin-top:4px}.results-grid{width:100%;display:flex;flex-direction:column;gap:12px;margin:24px 0}.result-item{display:flex;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.05);padding-bottom:8px}.res-lbl{color:var(--text-muted)}.res-val{font-weight:700}.res-val.highlight{color:#10b981}.res-val.gold{color:var(--gold-color)}.new-record-badge{background-color:#ef444433;border:1px solid rgba(239,68,68,.3);color:#f87171;padding:6px 12px;border-radius:20px;font-size:12px;font-weight:700;margin-bottom:20px}.finished-actions{display:flex;gap:12px;width:100%}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#090d16f2;display:flex;align-items:center;justify-content:center;z-index:100}.loading-card{background-color:var(--panel-bg);border:1px solid rgba(255,255,255,.05);padding:32px;border-radius:16px;width:400px;display:flex;flex-direction:column;align-items:center}.loading-spinner{width:48px;height:48px;border:4px solid rgba(99,102,241,.1);border-top-color:var(--accent-color);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}.trivia-box{background-color:#ffffff05;border:1px solid rgba(255,255,255,.05);padding:16px;border-radius:8px;margin:16px 0;width:100%;box-sizing:border-box}.trivia-tag{font-size:10px;font-weight:700;color:var(--gold-color);text-transform:uppercase}.trivia-text{font-size:12px;color:var(--text-muted);margin-top:6px;line-height:1.6}.loading-bar-container{width:100%;height:4px;background-color:#ffffff0d;border-radius:2px;overflow:hidden}.loading-bar-fill{height:100%;background-color:var(--accent-color)}.keyboard-bar{display:flex;align-items:center;justify-content:center;gap:8px;background-color:#0006;padding:8px;font-size:11px;color:var(--text-muted);border-top:1px solid rgba(255,255,255,.02)}.btn-primary{background-color:var(--accent-color);color:#fff;border:none;font-weight:700;padding:10px 20px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:opacity .2s}.btn-primary:hover{opacity:.9}.btn-secondary{background-color:#ffffff0d;color:#fff;border:1px solid rgba(255,255,255,.1);font-weight:600;padding:10px 20px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px}.btn-secondary:hover{background-color:#ffffff1a}.w-full{width:100%}.mt-4{margin-top:16px}