:root{--ui-bg: rgba(10, 12, 20, .82);--ui-fg: #f2f4f8;--ui-accent: #4f8cff;--ui-radius: 10px;font-family:system-ui,-apple-system,Segoe UI,Noto Sans KR,sans-serif;color:var(--ui-fg);background:#000}html,body{margin:0;height:100%;overflow:hidden;overscroll-behavior:none;touch-action:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}#game-root,#ui-root{position:fixed;inset:0}#game-root canvas{display:block}#ui-root{pointer-events:none;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.screen{position:absolute;inset:0}.screen[hidden]{display:none}.screen--top button,.screen--top input,.screen--top select,.screen--top .panel{pointer-events:auto}.panel--center{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}.panel--dim{background:var(--ui-bg)}.btn{min-width:220px;padding:12px 20px;font-size:18px;color:var(--ui-fg);background:#1d2333;border:2px solid #2f3a55;border-radius:var(--ui-radius);cursor:pointer}.btn:hover,.btn:focus-visible{border-color:var(--ui-accent);outline:none}.btn--small{min-width:0;padding:6px 12px}.row{display:flex;justify-content:space-between;align-items:center;gap:16px;min-width:320px}.hud{padding:12px 16px}.hud__coins{font-size:22px;font-weight:700}.hud__hint{opacity:.7;font-size:14px}.hud__pause{position:absolute;top:12px;right:16px}.loading{position:absolute;right:20px;bottom:20px;font-size:16px;opacity:.85}.fatal{position:fixed;inset:0;padding:24px;white-space:pre-wrap;background:#300;color:#fff;font-family:monospace}#rpg3d-hud{position:absolute;inset:0;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:16px 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