:root{--bg: #0e1626;--panel: rgba(16, 24, 40, .88);--panel-solid: #141e33;--edge: rgba(140, 200, 255, .35);--ink: #060a14;--line: #2a3a58;--fg: #eef3ff;--muted: #8fa0c0;--soft: rgba(255, 255, 255, .06);--player: #35f0ff;--player-ink: #35f0ff;--bullet: #ff2bd6;--danger: #ffb020;--world: #a47cff;--display: "Chakra Petch", system-ui, sans-serif;--mono: "JetBrains Mono", ui-monospace, monospace;--cut: 14px}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--fg);font-family:var(--display);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:none}#game,#game canvas{position:fixed;inset:0;width:100%;height:100%;display:block}#ui{position:fixed;inset:0;pointer-events:none}#ui .screen{pointer-events:auto}button{font-family:var(--display)}.hidden{display:none!important}.hud,.hud *{text-shadow:0 1px 0 #000,0 0 6px rgba(0,0,0,.8),1px 0 0 #000,-1px 0 0 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i{position:absolute;top:-3px;bottom:-3px;width:2px;margin-left:4px;background:var(--player);box-shadow:0 0 8px var(--player);left:0}.hud .score{position:absolute;top:max(12px,env(safe-area-inset-top));left:max(16px,env(safe-area-inset-left))}.hud .score .n{font-size:clamp(22px,4vw,34px);font-weight:700;font-family:var(--mono)}.hud .score .mult{font-size:clamp(20px,3.2vw,28px);font-weight:700;font-style:italic;color:var(--player)}.hud .score .combo{font-family:var(--mono);font-size:12px;color:var(--muted)}.hud .layers{position:absolute;top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right));display:flex;gap:7px}.hud .layers i{width:18px;height:18px;border:2px solid rgba(53,240,255,.55);transform:rotate(45deg);background:#00000059}.hud .layers i.on{background:var(--player);border-color:var(--player);box-shadow:0 0 10px var(--player)}.hud .locks{position:absolute;bottom:max(18px,env(safe-area-inset-bottom));left:50%;transform:translate(-50%);display:flex;gap:6px}.hud .locks i{width:14px;height:14px;border:2px solid rgba(53,240,255,.5);background:#00000059}.hud .locks i.on{background:var(--player);border-color:var(--player);box-shadow:0 0 8px var(--player)}.hud .dodge{position:absolute;bottom:max(14px,env(safe-area-inset-bottom));left:max(16px,env(safe-area-inset-left));font-family:var(--mono);font-size:11px;font-weight:700;display:flex;align-items:center;gap:8px}.hud .dodge .pip{width:28px;height:28px;border-radius:50%;border:2px solid rgba(255,255,255,.4);background:conic-gradient(var(--player) var(--p, 100%),rgba(0,0,0,.4) 0)}.touch .hud .dodge{display:none}.hud .boss{position:absolute;top:max(46px,calc(env(safe-area-inset-top) + 40px));left:50%;transform:translate(-50%);width:min(440px,56vw);text-align:center;font-size:12px;font-weight:700;letter-spacing:.3em}.hud .boss .hp{height:8px;background:#00000080;border:1px solid rgba(255,255,255,.25);margin-top:4px;overflow:hidden}.hud .boss .hp i{display:block;height:100%;background:linear-gradient(90deg,var(--bullet),var(--world));box-shadow:0 0 10px var(--world)}.hud .hint{position:absolute;left:50%;bottom:max(52px,calc(env(safe-area-inset-bottom) + 44px));transform:translate(-50%);font-family:var(--mono);font-size:clamp(11px,1.6vw,14px);font-weight:700;letter-spacing:.08em;background:#0a101cd1;border-left:3px solid var(--player);padding:7px 16px;white-space:nowrap}.hud .pop,.hud .section{position:absolute;left:50%;top:34%;transform:translate(-50%,-50%);font-size:clamp(34px,8vw,72px);font-weight:700;font-style:italic;letter-spacing:.04em;opacity:0;white-space:nowrap}.hud .section{top:22%;font-size:clamp(20px,4vw,36px);letter-spacing:.32em;color:#fff}.hud .pop.show{animation:pop .8s ease-out forwards}.hud .section.show{animation:slide 1.6s ease-out forwards}@keyframes pop{0%{opacity:1;transform:translate(-50%,-50%) 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contrast(1.3)}75%{transform:translate(-4px,1px) skew(3deg);filter:saturate(1.4)}to{transform:translate(0);filter:none}}@media (prefers-reduced-motion: reduce){#game canvas.glitch{animation:none}}.hud .skills{position:absolute;left:max(16px,env(safe-area-inset-left));bottom:max(54px,calc(env(safe-area-inset-bottom) + 50px));display:grid;gap:6px}.hud .key{display:inline-block;font-family:var(--mono);font-size:10px;border:1px solid rgba(255,255,255,.5);padding:0 4px;text-shadow:none}.touch .hud .key{display:none}.hud .drive{position:relative;width:150px;height:16px;border:1px solid rgba(255,255,255,.35);background:#00000073;overflow:hidden}.hud .drive i{position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,#6a3cff,#a47cff);transition:width .15s}.hud .drive span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:6px;font-size:10px;font-weight:700;letter-spacing:.16em}.hud .drive.ready i{background:var(--player);animation:ready 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i{width:6px;height:6px;border-radius:50%;background:var(--player);box-shadow:0 0 6px var(--player);animation:ytpulse 1s ease-in-out infinite}@keyframes ytpulse{50%{opacity:.3}}.yt-title{margin-top:5px;font:600 11px var(--display);color:var(--fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hud.live .songmap:after{content:"● LIVE";position:absolute;right:-64px;top:6px;font:700 11px var(--mono);color:#ff5a78}