*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{width:100%;height:100%;overflow:hidden;background:#050508;color:#F2F0E7;font-family:system-ui,-apple-system,sans-serif;touch-action:none}
#stage{position:fixed;inset:0;width:100%;height:100%;overflow:hidden}
#game{position:absolute;inset:0;display:block;width:100%;height:100%;background:#050508}

#hud{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:8px;padding:8px 12px;padding-top:max(8px,env(safe-area-inset-top));pointer-events:none;z-index:5}
.hud-home,.hud-mini,#btn-mute{pointer-events:auto;background:#ffffff18;border:1px solid #ffffff33;color:#F2F0E7;border-radius:10px;width:38px;height:38px;display:grid;place-items:center;text-decoration:none;font-size:18px;cursor:pointer;backdrop-filter:blur(8px)}
.hud-box{background:#00000077;border:1px solid #ffffff22;border-radius:10px;padding:4px 10px;min-width:56px;backdrop-filter:blur(6px)}
.hud-box.right{margin-left:auto}
.hud-label{font-size:9px;opacity:.7;text-transform:uppercase;letter-spacing:.06em}
.hud-value{font-size:16px;font-weight:800;font-variant-numeric:tabular-nums}
.hud-timer{position:absolute;left:50%;transform:translateX(-50%);top:max(8px,env(safe-area-inset-top));font-size:26px;font-weight:900;font-variant-numeric:tabular-nums;color:#FFD60A;text-shadow:0 0 16px #FFD60A66;background:#00000066;border:1px solid #FFD60A44;border-radius:12px;padding:4px 16px;backdrop-filter:blur(6px)}
.hud-timer.low{color:#FF4545;border-color:#FF454577;animation:blink .5s steps(2) infinite}
@keyframes blink{50%{opacity:.45}}

#speedo{position:absolute;right:14px;bottom:calc(120px + env(safe-area-inset-bottom));z-index:5;text-align:right;pointer-events:none}
#ui-speed{font-size:44px;font-weight:900;font-style:italic;line-height:1;font-variant-numeric:tabular-nums;text-shadow:0 0 18px #5CE1FF66}
#ui-speed.nitro{color:#FF6B35;text-shadow:0 0 22px #FF6B35}
.speedo-unit{font-size:11px;opacity:.6;font-weight:700;letter-spacing:.1em}
.nitro-wrap{width:120px;height:10px;border-radius:999px;background:#ffffff1c;border:1px solid #ffffff33;margin-top:8px;overflow:hidden}
#nitro-fill{height:100%;width:0%;border-radius:999px;background:linear-gradient(90deg,#5CE1FF,#FF6B35);transition:width .12s linear}
#nitro-fill.full{animation:nitroPulse .6s ease infinite;box-shadow:0 0 14px #FF6B35}
@keyframes nitroPulse{50%{filter:brightness(1.6)}}
.nitro-label{font-size:9px;font-weight:800;letter-spacing:.14em;opacity:.6;margin-top:3px}
.nitro-label.ready{color:#FF6B35;opacity:1;text-shadow:0 0 10px #FF6B35}
@media(max-width:899px){#speedo{bottom:calc(150px + env(safe-area-inset-bottom))}}

.combo-pop{position:absolute;left:50%;top:26%;transform:translateX(-50%) scale(0);font-size:30px;font-weight:900;font-style:italic;color:#5CE1FF;text-shadow:0 0 20px #5CE1FF;pointer-events:none;z-index:6;white-space:nowrap}
.combo-pop.show{animation:comboIn .8s ease forwards}
@keyframes comboIn{0%{transform:translateX(-50%) scale(0)}18%{transform:translateX(-50%) scale(1.25)}30%{transform:translateX(-50%) scale(1)}75%{opacity:1}100%{transform:translateX(-50%) scale(1) translateY(-24px);opacity:0}}
.event-pop{position:absolute;left:50%;top:38%;transform:translateX(-50%) scale(0);font-size:22px;font-weight:900;color:#FFD60A;text-shadow:0 0 18px #FFD60A;pointer-events:none;z-index:6;white-space:nowrap}
.event-pop.show{animation:comboIn 1s ease forwards}

.hint-bar{position:absolute;left:0;right:0;top:56px;text-align:center;font-size:12px;font-weight:600;color:#FFD60A;pointer-events:none;z-index:4;padding:4px 16px;text-shadow:0 0 12px #FFD60A88}

#touch-controls{position:absolute;bottom:0;left:0;right:0;z-index:6;padding:0 14px max(14px,env(safe-area-inset-bottom));display:flex;justify-content:space-between;align-items:flex-end;pointer-events:none}
.touch-side{display:flex;gap:10px;pointer-events:auto}
.touch-btn{width:64px;height:64px;border-radius:18px;border:1px solid #ffffff44;background:#ffffff18;color:#fff;font-size:24px;cursor:pointer;user-select:none;-webkit-user-select:none;backdrop-filter:blur(8px);box-shadow:0 4px 20px #00000055}
.touch-btn:active{transform:scale(.94);background:#ffffff30}
.touch-btn.small{font-size:12px;font-weight:800;letter-spacing:.04em;background:#8a2be233;border-color:#8a2be277}
.touch-btn.nitro{width:74px;height:74px;background:linear-gradient(135deg,#FF6B3544,#FFD60A22);border-color:#FF6B3588;box-shadow:0 0 22px #FF6B3544}
@media(min-width:900px){#touch-controls{display:none}}

.overlay{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:#000000d9;z-index:20;padding:16px;overflow:auto;backdrop-filter:blur(6px)}
.overlay.show{display:flex}
.panel{background:linear-gradient(160deg,#16161a,#0d0d10);border:1px solid #ffffff28;border-radius:18px;padding:24px 20px;max-width:420px;width:100%;text-align:center;box-shadow:0 20px 60px #00000088}
.panel.wide{max-width:560px}
.logo{font-size:1.8rem;font-weight:900;font-style:italic;letter-spacing:.06em;line-height:1.1}
.logo span{color:#FF6B35;text-shadow:0 0 20px #FF6B3588}
.tagline{font-size:.9rem;opacity:.8;margin-top:8px}
.tagline.sub{font-size:.78rem;opacity:.55;margin-top:2px}
.howto-list{list-style:none;text-align:left;margin:16px 0 4px;padding:0;font-size:.82rem;line-height:1.7;opacity:.9}
.howto-list li{padding:6px 0;border-bottom:1px solid #ffffff10}
.howto-list b{color:#FF6B35;margin-right:6px;font-size:.95rem}

.tut-lead{font-size:1rem;margin:12px 0 16px;opacity:.85;line-height:1.5}
.tut-cards{display:grid;gap:8px;margin-bottom:14px;text-align:left}
.tut-card{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;background:#ffffff0a;border:1px solid #ffffff18;font-size:.85rem}
.tut-card.accent{border-color:#FF6B3566;background:#FF6B3518}
.tut-card.warn{border-color:#FFD60A44;background:#FFD60A10}
.tut-icon{font-weight:900;font-size:1.1rem;min-width:36px;color:#5CE1FF}
.tut-card.accent .tut-icon{color:#FF6B35}
.tut-kb{font-size:.75rem;opacity:.6;margin-bottom:12px}

.btn-primary,.btn-secondary,.text-btn{border:none;border-radius:12px;padding:12px 18px;font-weight:700;cursor:pointer;font-size:.95rem}
.btn-primary{background:linear-gradient(135deg,#FF6B35,#FFD60A);color:#0A0A0B;box-shadow:0 4px 20px #FF6B3544}
.btn-secondary{background:#ffffff14;color:#F2F0E7;border:1px solid #ffffff28}
.btn-hero{width:100%;margin-top:12px;font-size:1.1rem;padding:14px;font-style:italic;letter-spacing:.08em}
.btn-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;justify-content:center}
.btn-row .btn-secondary{flex:1;min-width:90px;padding:10px 8px;font-size:.8rem}
.meta-chip{margin-top:14px;font-size:.85rem;opacity:.8}
.text-btn{background:none;border:none;color:#5CE1FF;margin-top:10px;cursor:pointer;font-size:.85rem}
.meta-row{margin-top:14px;font-size:.8rem;opacity:.7}
.text-link{color:#5CE1FF;text-decoration:none}
.meta-dot{opacity:.4;margin:0 6px}

.track-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;max-height:56vh;overflow:auto;margin:16px 0;text-align:left}
.track-card{display:flex;flex-direction:column;gap:3px;padding:12px;border-radius:14px;border:1px solid #ffffff22;background:#ffffff0a;cursor:pointer;color:#F2F0E7;font:inherit;text-align:left;transition:transform .15s,border-color .15s}
.track-card:hover:not(:disabled){transform:translateY(-2px);border-color:#FF6B3577}
.track-card:disabled{opacity:.38;cursor:not-allowed}
.track-env{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;opacity:.65}
.track-env.coast{color:#FF9E5E}.track-env.city{color:#B58CFF}.track-env.snow{color:#8FD4FF}
.track-name{font-weight:800;font-size:.92rem}
.track-meta{display:flex;justify-content:space-between;font-size:.75rem;opacity:.85;margin-top:2px}
.track-medal{font-size:1rem}
.track-best{color:#FFD60A;font-variant-numeric:tabular-nums}

.garage-list{display:flex;flex-direction:column;gap:8px;margin:16px 0;text-align:left;max-height:56vh;overflow:auto}
.garage-row{display:flex;align-items:center;gap:12px;background:#ffffff0a;border:1px solid #ffffff18;border-radius:12px;padding:10px 12px;color:#F2F0E7;cursor:pointer;font:inherit;text-align:left;width:100%}
.garage-row.on{border-color:#FF6B3588;background:#FF6B3514}
.garage-row:disabled{opacity:.4;cursor:not-allowed}
.car-chip{width:42px;height:30px;border-radius:8px;flex:none;border:1px solid #ffffff33}
.garage-info{flex:1}
.garage-name{font-weight:800;font-size:.9rem}
.garage-stats{font-size:.68rem;opacity:.75;margin-top:2px;letter-spacing:.02em}
.garage-price{font-weight:800;font-size:.85rem;color:#FFD60A;white-space:nowrap}

.ach-list{display:flex;flex-direction:column;gap:8px;max-height:55vh;overflow:auto;margin:16px 0;text-align:left}
.ach-row{display:flex;align-items:flex-start;gap:12px;padding:10px 12px;border-radius:12px;background:#ffffff0a;border:1px solid #ffffff18;opacity:.55}
.ach-row.got{opacity:1;border-color:#FFD60A55;background:#FFD60A0a}
.ach-icon{font-size:1.4rem;min-width:32px;text-align:center}
.ach-name{font-weight:700;font-size:.9rem}
.ach-desc{font-size:.75rem;opacity:.7;margin-top:2px}

.over-title{font-size:1.5rem;font-style:italic;margin-bottom:4px}
.res-medal{font-size:3rem;margin:6px 0;filter:drop-shadow(0 0 18px #FFD60A66)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:14px 0}
.stat-v{font-size:1.15rem;font-weight:800;font-variant-numeric:tabular-nums}
.stat-k{font-size:.62rem;opacity:.65;text-transform:uppercase;letter-spacing:.04em}
.submit-row{display:flex;gap:8px;margin:12px 0}
.text-input{flex:1;background:#000;border:1px solid #ffffff33;border-radius:10px;padding:10px;color:#fff;min-width:0}
.submit-status{font-size:.8rem;min-height:1.2em;opacity:.8}
.leaderboard-card{background:#00000055;border:1px solid #ffffff18;border-radius:12px;padding:12px;margin:12px 0;text-align:left}
.card-title{font-size:.75rem;text-transform:uppercase;opacity:.65;margin-bottom:8px}
.board-list{font-size:.85rem}
.board-row,.board-empty{padding:6px 0;border-bottom:1px solid #ffffff10;display:flex;gap:8px;align-items:center}
.board-rank{opacity:.6;min-width:20px}
.board-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board-score{font-variant-numeric:tabular-nums;color:#FFD60A}
.howto{font-size:.85rem;opacity:.75;margin:12px 0;line-height:1.5}

/* Hide platform danmaku bar during play */
#pg-dm-layer{display:none!important;pointer-events:none!important}