:root{--bg: #0c0a08;--panel: #1a140e;--ink: #f3e9d8;--dim: #b39a78;--accent: #ffb347;--good: #6fdc8c;--bad: #ff6b5e;--fuel: #ffd24a;--hull: #5ec8ff;--flood: #78d2ff;--lava: #ff7a4a}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:Segoe UI,system-ui,sans-serif;overflow:hidden;user-select:none;-webkit-user-select:none}#app{display:flex;flex-direction:column;align-items:center;height:100%}.wrap{display:flex;flex-direction:column;align-items:center;gap:8px;padding:8px}h1{margin:4px 0 0;font-size:20px;letter-spacing:2px;color:var(--accent);text-transform:uppercase}.sub{margin:0 0 4px;color:var(--dim);font-size:12px}canvas{background:#000;border:2px solid #3a2c1c;border-radius:6px;image-rendering:pixelated;touch-action:none}.hud{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;font-size:13px;font-variant-numeric:tabular-nums}.hud b{color:var(--accent)}.hud .flood-warn{color:#fff;background:var(--lava);padding:1px 8px;border-radius:4px;font-weight:700;animation:floodPulse .8s ease-in-out infinite}@keyframes floodPulse{0%,to{opacity:1}50%{opacity:.55}}.shop{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:#000000c7;z-index:10}.shop.open{display:flex}.shop-panel{background:var(--panel);border:2px solid #4a3823;border-radius:10px;padding:18px 22px;width:min(440px,92vw);max-height:90vh;overflow:auto}.shop-panel h2{margin:0 0 4px;color:var(--accent)}.shop-panel p.hint{margin:0 0 14px;color:var(--dim);font-size:12px}.upg{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid #2c2114}.upg .meta{flex:1}.upg .name{font-weight:600}.upg .lvl{color:var(--dim);font-size:12px}button{background:#2e2516;color:var(--ink);border:1px solid #5a452b;border-radius:6px;padding:6px 12px;font-size:13px;cursor:pointer}button:hover:not(:disabled){background:#3d3119;border-color:var(--accent)}button:disabled{opacity:.4;cursor:not-allowed}.row{display:flex;gap:10px;margin-top:14px}.row button{flex:1}button.primary{background:var(--accent);color:#1a140e;font-weight:700;border-color:var(--accent)}.overlay{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#000000d1;text-align:center;z-index:12}.overlay.open{display:flex}.overlay h2{margin:0;font-size:28px}.overlay .won{color:var(--good)}.overlay .lost{color:var(--bad)}.stage{position:relative}.controls-help{color:var(--dim);font-size:11px;text-align:center;max-width:560px}