:root{--bg: #0b0b12;--panel: rgba(12, 12, 22, .62);--stroke: rgba(255, 255, 255, .14);--txt: #f4f6fb;--muted: rgba(244, 246, 251, .62);--accent: #ff2d55;--cyan: #22e0ff;--gold: #ffd166;--green: #34d399;--purple: #8a5cff;--radius: 14px;--font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;--mono: "SF Mono", ui-monospace, "Roboto Mono", Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--txt);font-family:var(--font);overscroll-behavior:none;touch-action:none}#app{position:fixed;inset:0}#scene{position:absolute;inset:0;width:100%;height:100%;display:block}.layer{position:absolute;inset:0;pointer-events:none}.hidden{display:none!important}button{font-family:inherit;cursor:pointer}.hud{display:flex;flex-direction:column;justify-content:space-between;padding:14px 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