:root{--ink: #f2f0ff;--muted: #b9b4d6;--glass: rgba(18, 16, 28, .72);--edge: rgba(170, 120, 255, .35);--accent: #b46bff;font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,system-ui,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:#1b1c22}#app{position:fixed;inset:0}canvas{display:block;touch-action:none}.title{position:absolute;top:12px;left:14px;max-width:calc(100% - 350px);pointer-events:none;padding:7px 12px;background:#f5f4fad1;border-radius:10px;backdrop-filter:blur(6px)}.title h1{margin:0;font-size:18px;font-weight:800;letter-spacing:-.02em;color:#1d1a2b}.title .help{margin:3px 0 0;font-size:12px;color:#3a3550}.hud{position:absolute;left:14px;top:84px;display:grid;grid-template-columns:auto auto;gap:2px 12px;padding:10px 12px;background:var(--glass);border:1px solid var(--edge);border-radius:10px;font-size:12px;font-variant-numeric:tabular-nums;min-width:190px;backdrop-filter:blur(6px)}.hud div{display:contents}.hud span{color:var(--muted)}.hud b{text-align:right}.hud .surf-wall{color:#6fe3ff}.hud .surf-ceiling{color:#ff7bf2}.hud .surf-air{color:#ffcf5a}.hud .tour b{color:var(--accent)}.panel{position:absolute;top:12px;right:12px;width:306px;max-height:calc(100% - 24px);overflow:auto;padding:12px 14px;background:var(--glass);border:1px solid var(--edge);border-radius:12px;font-size:13px;backdrop-filter:blur(8px)}.panel .row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:6px;margin-bottom:10px}.panel .row input[type=range]{grid-column:1 / -1;width:100%;accent-color:var(--accent)}.panel select{background:#26213a;color:var(--ink);border:1px solid var(--edge);border-radius:6px;padding:4px 6px}.toggles{display:grid;grid-template-columns:1fr 1fr;gap:4px 8px;margin-bottom:10px}.toggles label{cursor:pointer;user-select:none}.toggles input{accent-color:var(--accent)}.buttons{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.buttons button{flex:1;background:#2d2547;color:var(--ink);border:1px solid var(--edge);border-radius:8px;padding:7px 8px;font:inherit;cursor:pointer}.buttons button:hover{background:#3a2f60}.legend{margin:4px 0 8px;font-size:11px;color:var(--muted)}.legend i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--c);margin:0 3px 0 6px;vertical-align:-1px}.explain summary{cursor:pointer;font-weight:700}.explain ol{padding-left:18px;margin:8px 0}.explain li{margin-bottom:8px;line-height:1.45}.explain .en{color:var(--muted);font-size:11.5px}.credit{margin:8px 0 0;font-size:11.5px;color:var(--muted)}.credit a{color:#d7b4ff}.toast{position:absolute;left:50%;bottom:26px;transform:translate(-50%,20px);opacity:0;background:var(--glass);border:1px solid var(--edge);padding:8px 14px;border-radius:999px;font-size:13px;transition:all .25s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%)}.labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.score-label{position:absolute;left:0;top:0;margin:-22px 0 0 6px;font-size:11px;font-weight:700;padding:1px 5px;border-radius:4px;background:#0a1e0abf;color:#9dff9d}.joy{position:absolute;left:24px;bottom:28px;width:120px;height:120px;border-radius:50%;background:#14102273;border:2px solid var(--edge);touch-action:none}.joy .knob{position:absolute;left:35px;top:35px;width:50px;height:50px;border-radius:50%;background:#b46bffbf}@media(max-width:720px){.title{max-width:calc(100% - 28px)}.title h1{font-size:14px}.title .help{display:none}.hud{inset:auto 12px 160px auto;min-width:150px;font-size:11px}.panel{inset:auto 12px 12px 160px;width:auto;max-height:40%;font-size:12px}}