:root{--bg: #0a0e1a;--panel: #121a2e;--ink: #e7ecf6;--muted: #8a96b3;--accent: #ffcc33;--wall: #1f2a4a;--sealed: #b6403a;--pellet: #ffd97a;--power: #ff8be0;--ghost: #6cd0ff;--frightened: #4b6bff}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:Segoe UI,system-ui,-apple-system,sans-serif;-webkit-user-select:none;user-select:none}#app{min-height:100%;display:flex;align-items:center;justify-content:center;padding:12px}.screen{width:100%;max-width:520px;display:flex;flex-direction:column;gap:14px;align-items:center}.title{font-size:30px;font-weight:800;letter-spacing:.5px;color:var(--accent);text-align:center;margin:0}.subtitle{color:var(--muted);text-align:center;font-size:14px;margin:0;line-height:1.4}.card{background:var(--panel);border:1px solid #1d2742;border-radius:14px;padding:16px;width:100%}.btn{appearance:none;border:none;border-radius:10px;padding:12px 16px;font-size:15px;font-weight:700;cursor:pointer;background:#20305a;color:var(--ink);transition:transform .05s ease,background .15s ease}.btn:hover{background:#28407a}.btn:active{transform:scale(.97)}.btn.primary{background:var(--accent);color:#1a1300}.btn.primary:hover{background:#ffd95c}.btn-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;width:100%}.btn-row .btn{flex:1 1 auto}.levels{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;width:100%}.hud{display:flex;justify-content:space-between;align-items:center;width:100%;font-size:15px;gap:10px;flex-wrap:wrap}.hud .stat{background:var(--panel);border-radius:8px;padding:6px 12px;font-weight:700}.hud .stat .label{color:var(--muted);font-weight:500;font-size:12px;margin-right:5px}.hud .fright{color:var(--power)}.board-wrap{position:relative;width:100%;display:flex;justify-content:center}canvas{background:#060912;border-radius:12px;border:1px solid #1d2742;touch-action:none;max-width:100%;image-rendering:auto}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:center;background:#060912db;border-radius:12px;text-align:center;padding:20px}.overlay h2{margin:0;font-size:28px}.overlay.win h2{color:#7dffa6}.overlay.lose h2{color:var(--sealed)}.standing{margin:6px 0 0;font-size:14px;color:#ffd97a;min-height:1em}.standing:empty{display:none}.hint{color:var(--muted);font-size:13px;text-align:center;line-height:1.5}.pad{display:grid;grid-template-columns:repeat(3,56px);grid-template-rows:repeat(3,56px);gap:6px;justify-content:center;margin-top:4px}.pad .btn{padding:0;font-size:22px}.pad .up{grid-column:2;grid-row:1}.pad .left{grid-column:1;grid-row:2}.pad .right{grid-column:3;grid-row:2}.pad .down{grid-column:2;grid-row:3}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%);background:var(--accent);color:#1a1300;padding:10px 18px;border-radius:10px;font-weight:700;z-index:10}