*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0;overflow:hidden;font-family:Arial,Helvetica,sans-serif;background:#111;color:#fff}body{touch-action:none}#game-root,#ui-root{position:absolute;inset:0}canvas{display:block}.ui-screen{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:24px;pointer-events:auto}.ui-panel{width:min(520px,100%);background:#000000a6;border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:28px;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.ui-title{margin:0 0 12px;font-size:40px;line-height:1}.ui-subtitle{margin:0 0 24px;font-size:18px;opacity:.85}.ui-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.ui-button{appearance:none;border:0;border-radius:999px;padding:14px 24px;font-size:16px;font-weight:700;cursor:pointer;background:#fff;color:#111}.ui-button.secondary{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25)}.hud{position:absolute;top:0;left:0;right:0;padding:16px;display:flex;justify-content:space-between;gap:12px;pointer-events:none}.hud-box{background:#00000073;padding:10px 14px;border-radius:12px;font-size:14px}.stars{font-size:24px;letter-spacing:4px}.instructions{margin-top:16px;opacity:.8;font-size:14px}