:root{--accent: #ff2d55;--accent-2: #ffd60a;--bg-panel: rgba(10, 13, 22, .62);--text: #eef1f7;font-size:16px}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#0b0e16;font-family:Segoe UI,PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:var(--text);-webkit-user-select:none;user-select:none;touch-action:none}#app,#scene{position:fixed;inset:0;width:100%;height:100%;display:block}.hidden{display:none!important}#hud{position:absolute;inset:0;pointer-events:none}#hud-tl{position:absolute;top:18px;left:20px;display:flex;flex-direction:column;gap:4px}#position{font-size:52px;font-weight:900;font-style:italic;color:#fff;line-height:1;text-shadow:0 2px 0 var(--accent),0 4px 14px rgba(0,0,0,.55)}#position #pos-suffix{font-size:22px;margin-left:2px}#lap{font-size:18px;font-weight:800;letter-spacing:2px;background:var(--bg-panel);padding:3px 12px;width:fit-content;transform:skew(-8deg);border-left:3px solid var(--accent-2)}#coins{margin-top:4px;width:fit-content;font-size:15px;font-weight:800;background:var(--bg-panel);padding:3px 12px;transform:skew(-8deg);border-left:3px solid #ffc93c;border-radius:3px}#hud-tc{position:absolute;top:16px;left:50%;transform:translate(-50%);text-align:center}#time{font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--bg-panel);padding:2px 18px;border-radius:6px}#best{margin-top:4px;font-size:13px;font-weight:700;color:var(--accent-2);letter-spacing:1px;font-variant-numeric:tabular-nums}#hud-bl{position:absolute;left:22px;bottom:20px}#speed-row{display:flex;align-items:baseline;gap:8px}#speed{font-size:64px;font-weight:900;font-style:italic;line-height:1;font-variant-numeric:tabular-nums;text-shadow:0 0 22px rgba(255,45,85,.45),0 3px 10px rgba(0,0,0,.6)}#speed-row .unit{font-size:15px;font-weight:700;letter-spacing:2px;color:#aab2c5}#driftbar{width:150px;height:8px;margin-top:8px;background:#ffffff24;border-radius:4px;overflow:hidden;transform:skew(-12deg)}#driftbar i{display:block;height:100%;width:0%;background:linear-gradient(90deg,var(--accent-2),#ff7a1a);transition:width .05s linear}#driftbar.super i{background:linear-gradient(90deg,#ff7a1a,#ff2d55)}#minimap{position:absolute;right:18px;bottom:18px;width:180px;height:180px;background:#080a1273;border-radius:12px}#center-msg{position:absolute;top:34%;left:50%;transform:translate(-50%,-50%);font-size:92px;font-weight:900;font-style:italic;color:#fff;white-space:nowrap;text-shadow:0 0 34px rgba(255,45,85,.65),0 4px 0 var(--accent),0 8px 24px rgba(0,0,0,.5);opacity:0;pointer-events:none}#center-msg .sub{display:block;font-size:24px;font-style:normal;font-weight:700;letter-spacing:6px;color:var(--accent-2);text-align:center;text-shadow:0 2px 10px rgba(0,0,0,.6)}#center-msg.anim{animation:msgpop 1.15s ease-out forwards}@keyframes msgpop{0%{opacity:0;transform:translate(-50%,-50%) scale(2.1)}18%{opacity:1;transform:translate(-50%,-50%) scale(1.08)}75%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(.95)}}#wrongway{position:absolute;top:22%;left:50%;transform:translate(-50%);font-size:34px;font-weight:900;color:var(--accent);background:#0000008c;padding:6px 22px;border-radius:8px;animation:blink .6s step-end infinite}@keyframes blink{50%{opacity:.15}}#boost-fx{position:absolute;inset:0;pointer-events:none;opacity:0;box-shadow:inset 0 0 120px 30px #ff7a1a8c;transition:opacity .18s ease}#boost-fx.on{opacity:1}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 35%,#141a2c61,#06080ee0);z-index:10}.menu-card{text-align:center;padding:26px 46px;background:var(--bg-panel);border:1px solid rgba(255,255,255,.09);border-top:3px solid var(--accent);border-radius:16px;backdrop-filter:blur(10px);box-shadow:0 30px 80px #00000080;max-width:min(92vw,560px);max-height:calc(100vh - 40px);overflow-y:auto}.menu-card.small{padding:30px 40px}.menu-kicker{font-size:11px;font-weight:800;letter-spacing:4px;color:#8f99b0;margin-bottom:8px}.menu-title{font-size:clamp(38px,6.5vw,58px);font-weight:900;font-style:italic;line-height:.95;letter-spacing:1px;color:#fff;text-shadow:0 4px 0 var(--accent),0 10px 30px rgba(255,45,85,.35)}.menu-title em{font-style:italic;color:var(--accent-2);margin:0 8px;text-shadow:0 4px 0 #b04500,0 10px 30px rgba(255,214,10,.3)}.menu-title-2{font-size:36px;font-weight:900;font-style:italic;margin-bottom:18px}.menu-sub{margin:14px 0 20px;color:#b9c1d4;font-size:15px;letter-spacing:1px}.swatches{display:flex;gap:14px;justify-content:center;margin-bottom:24px}.swatch{width:42px;height:42px;border-radius:50%;cursor:pointer;border:3px solid rgba(255,255,255,.25);transition:transform .12s ease,border-color .12s ease,box-shadow .12s ease}.swatch:hover{transform:scale(1.12)}.swatch.active{border-color:#fff;transform:scale(1.18);box-shadow:0 0 18px #ffffff73}.btn-primary,.btn-ghost{font:inherit;cursor:pointer;border:none;padding:13px 40px;border-radius:10px;font-size:18px;font-weight:800;letter-spacing:2px;transition:transform .1s ease,filter .12s ease}.btn-primary{background:linear-gradient(135deg,var(--accent),#ff7a1a);color:#fff;transform:skew(-6deg);box-shadow:0 8px 24px #ff2d5566}.btn-primary:hover{filter:brightness(1.12);transform:skew(-6deg) scale(1.04)}.btn-primary:active{transform:skew(-6deg) scale(.98)}.btn-ghost{background:#ffffff14;color:var(--text);border:1px solid rgba(255,255,255,.18)}.btn-ghost:hover{background:#ffffff29}.btn-col{display:flex;flex-direction:column;gap:12px;align-items:center}.btn-row{display:flex;gap:12px;justify-content:center;margin-top:20px}.controls-grid{margin-top:26px;display:grid;grid-template-columns:repeat(2,auto);gap:6px 30px;justify-content:center;font-size:13px;color:#9aa4bb}.controls-grid b{color:#dfe5f2;font-weight:700}.menu-foot{margin-top:22px;font-size:12px;letter-spacing:2px;color:#6b7488}.finish-medal{font-size:56px;line-height:1;margin-bottom:6px}.lb-track{font-size:13px;letter-spacing:2px;color:var(--accent-2);font-weight:800;margin:6px 0 10px}.finish-stats{display:flex;gap:26px;justify-content:center;margin:14px 0 18px}.finish-stats div{display:flex;flex-direction:column;gap:2px}.fs-label{font-size:12px;letter-spacing:2px;color:#8f99b0}.fs-val{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums}.track-sel{display:flex;align-items:center;justify-content:center;gap:14px;margin:-6px 0 20px}.tr-arrow{width:40px;height:40px;border-radius:10px;cursor:pointer;border:1px solid rgba(255,255,255,.2);background:#ffffff12;color:var(--text);font-size:15px;transition:background .12s ease}.tr-arrow:hover{background:#ffffff2e}.tr-info{min-width:220px;display:flex;flex-direction:column;gap:2px}.lb-btn{margin-top:12px;padding:9px 26px;font-size:14px}.mode-row{display:flex;gap:10px;justify-content:center;margin-bottom:14px}.mode-btn{font:inherit;cursor:pointer;padding:8px 22px;border-radius:999px;border:1px solid rgba(255,255,255,.22);background:#ffffff0f;color:#b9c1d4;font-size:14px;font-weight:800;letter-spacing:1px;transition:all .12s ease}.mode-btn.active{background:linear-gradient(135deg,var(--accent),#ff7a1a);color:#fff;border-color:transparent;box-shadow:0 4px 16px #ff2d5566}.menu-preview{display:flex;align-items:center;justify-content:center;gap:18px;margin-bottom:18px}#track-preview{background:#0000004d;border-radius:12px;border:1px solid rgba(255,255,255,.08)}.tr-info{display:flex;flex-direction:column;gap:4px;text-align:left}.tr-info b{font-size:20px;font-style:italic;font-weight:900;letter-spacing:1px}.tr-info small{color:#9aa4bb;font-size:12px;letter-spacing:1px}#menu{padding-left:246px;padding-right:246px}#lb-side{position:absolute;right:0;top:0;bottom:0;width:232px;display:flex;flex-direction:column;background:linear-gradient(to left,#06080eeb,#0a0d16c7);border-left:1px solid rgba(255,255,255,.08);backdrop-filter:blur(8px);padding:18px 0 10px}.lb-side-track{padding:0 18px 8px;font-size:13px;font-weight:900;font-style:italic;color:var(--accent-2);letter-spacing:1px}.lb-rows{flex:1;overflow-y:auto;padding:0 12px;scrollbar-width:thin}.lb-row{display:flex;align-items:center;gap:8px;padding:7px 6px;border-bottom:1px solid rgba(255,255,255,.06);font-size:13px}.lb-row .rk{width:18px;color:#8f99b0;font-weight:800}.lb-row:first-child .rk{color:var(--accent-2)}.lb-row .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-row .tm{font-variant-numeric:tabular-nums;color:#c8cedb}.lb-empty{color:#8f99b0;font-size:12px;padding:10px 6px}#track-side{position:absolute;left:0;top:0;bottom:0;width:232px;display:flex;flex-direction:column;background:linear-gradient(to right,#06080eeb,#0a0d16c7);border-right:1px solid rgba(255,255,255,.08);backdrop-filter:blur(8px);padding:18px 0 10px}.side-title{padding:0 18px 10px;font-size:12px;font-weight:800;letter-spacing:3px;color:#8f99b0}.side-foot{padding:10px 18px 0;font-size:11px;letter-spacing:2px;color:#5d6579}.chips{flex:1;display:flex;flex-direction:column;gap:8px;overflow-y:auto;padding:2px 12px 12px;scroll-snap-type:y proximity;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.25) transparent;-webkit-overflow-scrolling:touch}.chips::-webkit-scrollbar{width:5px}.chips::-webkit-scrollbar-thumb{background:#ffffff38;border-radius:3px}.chip{flex:0 0 auto;cursor:pointer;font:inherit;display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;text-align:left;border:1px solid rgba(255,255,255,.14);background:#101422b8;color:var(--text);scroll-snap-align:start;transition:transform .1s ease,border-color .12s ease,background .12s ease}.chip:hover{transform:translate(3px)}.chip.active{border-color:var(--accent);background:#321622d9}.chip-dot{flex:0 0 auto;width:12px;height:12px;border-radius:50%}.chip-body{display:flex;flex-direction:column;gap:2px;min-width:0}.chip-name{font-weight:900;font-style:italic;font-size:14px;letter-spacing:.4px;white-space:nowrap}.chip-meta{color:var(--accent-2);font-size:11px;letter-spacing:1px;white-space:nowrap}.chip-meta i{color:#9aa4bb;font-style:normal;margin-left:6px}#item-slot{position:absolute;top:76px;left:50%;transform:translate(-50%);width:58px;height:58px;display:flex;align-items:center;justify-content:center;font-size:30px;background:var(--bg-panel);border:2px solid var(--accent-2);border-radius:14px;animation:itempop .25s ease}#item-slot.empty{opacity:.45;border-style:dashed}@keyframes itempop{0%{transform:translate(-50%) scale(1.6)}to{transform:translate(-50%) scale(1)}}#t-use.hidden-btn{display:none}@media(min-width:761px){.lb-btn{display:none}}.lb-loading{text-align:center;color:#9aa4bb;padding:14px 0}.submit-row{display:flex;gap:10px;justify-content:center;margin-top:16px}.submit-row input{font:inherit;color:var(--text);background:#ffffff14;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:9px 14px;width:170px;outline:none}.submit-row input:focus{border-color:var(--accent)}.btn-sm{padding:9px 20px;font-size:14px;border-radius:8px}.sub-result{min-height:22px;margin-top:8px;font-size:14px;font-weight:700}.sub-result.ok{color:#ffd60a}.sub-result.bad{color:#ff7a8a}.standings{width:100%;border-collapse:collapse;font-size:15px;margin-top:4px}.standings td{padding:6px 14px;text-align:left;border-bottom:1px solid rgba(255,255,255,.07)}.standings tr.me td{color:var(--accent-2);font-weight:800}.standings td:last-child{text-align:right;font-variant-numeric:tabular-nums}.standings .dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:9px;vertical-align:baseline}#touch{position:absolute;inset:0;pointer-events:none;z-index:5}.t-group{position:absolute;bottom:26px;display:flex;gap:14px;align-items:flex-end;pointer-events:none}.t-left{left:22px}.t-right{right:22px;flex-direction:row-reverse}#hud~#touch .t-right{bottom:210px}.t-btn{pointer-events:auto;width:72px;height:72px;border-radius:50%;border:2px solid rgba(255,255,255,.3);background:#0f13208c;color:#fff;font:inherit;font-size:22px;font-weight:800;backdrop-filter:blur(4px)}.t-btn.big{width:92px;height:92px;background:#ff2d5561}.t-btn.small{width:62px;height:62px;font-size:12px;letter-spacing:1px}.t-btn:active{background:#ffffff47}@media(max-width:760px){#menu{padding-left:0;padding-bottom:128px;padding-right:0}#lb-side{display:none}#track-side{top:auto;right:0;width:auto;height:auto;border-right:none;border-top:1px solid rgba(255,255,255,.1);padding:8px 0 6px}.side-title,.side-foot{display:none}.chips{flex-direction:row;overflow-y:hidden;overflow-x:auto;padding:4px 14px 8px;scroll-snap-type:x proximity}.chip:hover{transform:translateY(-2px)}#speed{font-size:44px}#position{font-size:38px}#minimap{width:120px;height:120px}#center-msg{font-size:58px}.menu-card{padding:22px 18px}.menu-preview{flex-direction:column;gap:8px}.controls-grid{grid-template-columns:1fr;gap:4px}}