:root{color-scheme:dark;font-family:Inter,Pretendard,Noto Sans KR,system-ui,sans-serif;font-synthesis:none;--ink: #f8fbff;--muted: #a9b7c4;--panel: rgba(12, 20, 28, .88);--line: rgba(255, 255, 255, .18);--cyan: #29d3e2;--coral: #ff645f;--yellow: #ffd84d;--lime: #85db59;--violet: #9a78ff}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0;overflow:hidden;background:#101820}button{font:inherit;letter-spacing:0}#app{position:relative;isolation:isolate}#game-container,#game-container canvas{position:absolute;inset:0;width:100%!important;height:100%!important}#game-container canvas{display:block;touch-action:none}.hud{position:fixed;z-index:20;top:max(10px,env(safe-area-inset-top));left:max(10px,env(safe-area-inset-left));right:max(10px,env(safe-area-inset-right));height:66px;display:grid;grid-template-columns:minmax(280px,1fr) 112px 44px;align-items:stretch;gap:8px;pointer-events:none}.race-stats,.item-slot,.icon-button{border:1px solid var(--line);background:var(--panel);box-shadow:0 8px 24px #0000003d;backdrop-filter:blur(10px)}.race-stats{width:min(420px,100%);display:grid;grid-template-columns:repeat(3,minmax(72px,1fr));border-radius:7px;overflow:hidden}.stat{min-width:0;display:grid;align-content:center;padding:7px 12px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat small{color:var(--muted);font-size:.66rem;font-weight:800}.stat strong{color:var(--ink);font-size:1.2rem;line-height:1.1}.stat.rank strong{color:var(--yellow)}.stat.speed i{margin-left:3px;color:var(--muted);font-size:.58rem;font-style:normal}.item-slot,.icon-button{pointer-events:auto;color:var(--ink);cursor:pointer}.item-slot{min-width:0;display:grid;grid-template-columns:38px minmax(0,1fr);align-items:center;gap:6px;padding:7px;border-radius:7px}.item-slot:disabled{cursor:default;opacity:.58}.item-symbol{width:38px;height:38px;display:grid;place-items:center;border:2px solid 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var(--line);border-radius:6px;font-size:.9rem;font-weight:900;text-align:center;opacity:0;transform:translate(-50%,8px);transition:opacity .15s ease,transform .15s ease;pointer-events:none}.toast.visible{opacity:1;transform:translate(-50%)}.overlay{position:fixed;z-index:40;inset:0;display:none;place-items:center;padding:max(18px,env(safe-area-inset-top)) max(18px,env(safe-area-inset-right)) max(18px,env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left));background:#050a0f94;backdrop-filter:blur(5px)}.overlay.active{display:grid}.dialog{width:min(92vw,470px);padding:28px;color:var(--ink);background:#121d26;border:1px solid rgba(255,255,255,.22);border-radius:8px;box-shadow:0 24px 70px #00000075}.eyebrow{margin:0 0 5px;color:var(--cyan);font-size:.72rem;font-weight:1000}.dialog h1,.dialog h2,.dialog p{letter-spacing:0}.dialog h1{margin:0 0 24px;font-size:clamp(1.8rem,8vw,2.8rem);line-height:1.05}.dialog h2{margin:0 0 18px;font-size:1.55rem}.menu-row{min-height:52px;display:grid;grid-template-columns:76px minmax(0,1fr);align-items:center;gap:12px;border-top:1px solid var(--line)}.menu-row>span{color:var(--muted);font-size:.82rem;font-weight:800}.swatches,.segments{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.swatch{width:100%;height:30px;padding:0;border:3px solid transparent;border-radius:5px;cursor:pointer}.swatch.selected{border-color:#fff;box-shadow:0 0 0 2px #101820}.swatch[data-color=coral]{background:var(--coral)}.swatch[data-color=cyan]{background:var(--cyan)}.swatch[data-color=lime]{background:var(--lime)}.swatch[data-color=violet]{background:var(--violet)}.segments{grid-template-columns:repeat(3,1fr)}.segments button{min-height:34px;color:var(--muted);background:#0d151c;border:1px solid var(--line);cursor:pointer}.segments button:first-child{border-radius:5px 0 0 5px}.segments button:last-child{border-radius:0 5px 5px 0}.segments button.selected{color:#101820;background:var(--yellow);border-color:var(--yellow);font-weight:900}.primary-button,.secondary-button{width:100%;min-height:50px;margin-top:18px;border-radius:6px;font-weight:1000;cursor:pointer}.primary-button{color:#101820;background:var(--yellow);border:2px solid #fff1a8;box-shadow:0 5px #bc8d00}.primary-button:active{transform:translateY(3px);box-shadow:0 2px #bc8d00}.secondary-button{margin-top:10px;color:var(--ink);background:transparent;border:1px solid var(--line)}.compact-dialog{width:min(88vw,340px);text-align:center}.result-dialog{text-align:center}.result-badge{display:inline-block;margin:0 0 10px;padding:5px 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(orientation:landscape){.hud{top:7px;left:7px;right:7px;height:52px}.mobile-controls{left:10px;right:10px;bottom:9px}.mobile-controls button{width:54px;height:54px}.mobile-controls .drift-control{width:48px;height:48px}.dialog{width:min(88vw,520px);padding:18px 24px}.dialog h1{margin-bottom:12px;font-size:2rem}.menu-row{min-height:43px}.primary-button{min-height:44px;margin-top:12px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}