*{box-sizing:border-box;margin:0;padding:0}body{color:#e0e0e0;background:#0a0a1a;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}#app{flex-direction:column;height:100vh;display:flex}header#game-header{background:#12122a;border-bottom:1px solid #2a2a4a;align-items:center;gap:16px;padding:8px 20px;display:flex}header h1{color:#e94560;font-size:16px;font-weight:600}#hud{gap:16px;margin-left:auto;font-family:monospace;font-size:14px;display:flex}#hud span{background:#1a1a3a;border-radius:4px;padding:4px 10px}#hud-status{color:gold}#controls{gap:6px;display:flex}#controls.hidden{display:none}#controls button{color:#e0e0e0;cursor:pointer;background:#1a1a3a;border:none;border-radius:6px;padding:6px 12px;font-size:13px;transition:background .15s}#controls button:hover{background:#e94560}main#game-main{flex:1;position:relative;overflow:hidden}.screen{flex-direction:column;justify-content:center;align-items:center;display:none;position:absolute;inset:0}.screen.active{display:flex}#level-select h2{color:#e94560;margin-bottom:24px;font-size:22px}#level-grid{flex-wrap:wrap;justify-content:center;gap:12px;max-width:600px;display:flex}.level-card{cursor:pointer;border:2px solid #0000;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;width:88px;height:88px;font-size:14px;transition:all .2s;display:flex}.level-card.locked{color:#444;cursor:not-allowed;opacity:.5;background:#1a1a2a}.level-card.available{background:#1a2a4a;border-color:#3a7aca}.level-card.available:hover{border-color:#e94560;transform:scale(1.05)}.level-card.completed{background:#1a3a2a;border-color:#2ecc71}.level-card .level-num{font-size:24px;font-weight:700}.level-card .level-info{color:#888;margin-top:4px;font-size:10px}.category-card{width:120px;height:120px}.category-card .level-num{font-size:36px}.category-card .level-info{font-size:13px}#game-play{justify-content:center;align-items:center}#game-canvas{cursor:crosshair;border-radius:8px}#game-overlay{z-index:10;background:#00000080;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}#game-overlay.hidden{display:none}#overlay-content{text-align:center;background:#1a1a3a;border-radius:12px;max-width:400px;padding:32px 48px}#overlay-content h2{margin-bottom:12px;font-size:24px}#overlay-content p{color:#aaa;margin-bottom:16px;font-size:14px}#overlay-content button{color:#fff;cursor:pointer;background:#e94560;border:none;border-radius:6px;margin:4px;padding:10px 24px;font-size:14px}#overlay-content button:hover{background:#ff6b81}#overlay-content button.secondary{background:#2a2a4a}