*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,sans-serif;background:#0a0a0a;color:#fff;display:flex;flex-direction:column;align-items:center;min-height:100vh;overflow:hidden}
h1{color:#fbbf24;margin:8px;font-size:1.5em}
#gameCanvas{border:2px solid #374151;background:#1a1a2e;cursor:crosshair;display:block}
#info{display:flex;gap:20px;margin:8px;font-size:.8em;flex-wrap:wrap;justify-content:center}
#info span{background:#1f2937;padding:4px 10px;border-radius:4px}
#controls{display:flex;gap:8px;margin:6px;flex-wrap:wrap;justify-content:center}
#controls button{background:#16a34a;color:#fff;border:none;padding:6px 14px;border-radius:4px;cursor:pointer;font-size:.8em}
#controls button:hover{background:#15803d}
#controls button.red{background:#ef4444}
#controls button.red:hover{background:#dc2626}