:root{--bg: #0c0f13;--fg: #e8f1ff;--muted: #9fb3c8;--accent: #4dd0ff;--good: #8df18d;--bad: #ff4d6d;--gold: #ffd166}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,sans-serif;overflow:hidden}.app{position:fixed;inset:0;display:flex;flex-direction:column}.game-container{position:relative;width:100%;height:100%}.game-canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}.hud{position:absolute;top:env(safe-area-inset-top);left:0;right:0;padding:10px 14px;display:flex;justify-content:space-between;pointer-events:none}.hud-item{background:#ffffff0f;padding:6px 10px;border-radius:10px;font-size:14px;font-weight:600;letter-spacing:.2px;text-shadow:0 1px 0 rgba(0,0,0,.35)}.controls{position:absolute;left:0;right:0;bottom:max(10px,env(safe-area-inset-bottom));padding:0 12px 8px;display:flex;gap:12px}.btn{flex:1;height:72px;border-radius:16px;background:linear-gradient(180deg,#ffffff1a,#ffffff05);border:1px solid rgba(255,255,255,.12);color:var(--fg);font-weight:800;font-size:20px;cursor:pointer;user-select:none;transition:transform .1s}.btn:active{transform:translateY(1px) scale(.99)}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0c0f13f2;padding:18px}.card{width:min(640px,92vw);background:#ffffff0d;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:24px}