:root{--bg-color: #2c3e50;--panel-bg: rgba(255, 255, 255, .9);--text-color: #333;--accent: #3498db;--accent-hover: #2980b9}*{box-sizing:border-box;user-select:none;-webkit-user-select:none;touch-action:none}body,html{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background-color:var(--bg-color);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}#game-container{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;background-color:#fff}canvas{display:block;touch-action:none}#ui-layer{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;pointer-events:none}.panel{position:absolute;background:var(--panel-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:10px;box-shadow:0 4px 15px #0000004d;pointer-events:auto;display:flex;flex-direction:column;max-height:90vh}.panel-header{font-size:1.2rem;font-weight:700;margin-bottom:10px;color:var(--text-color);text-align:center;border-bottom:2px solid #eee;padding-bottom:5px}.left-panel{top:60px;left:10px;width:100px;bottom:20px}.right-panel{top:60px;right:10px;width:300px;bottom:20px;overflow-y:auto}.top-bar{position:absolute;top:0;left:0;width:100%;height:50px;background:#fffffff2;display:flex;justify-content:space-between;align-items:center;padding:0 20px;pointer-events:auto;box-shadow:0 2px 10px #0000001a}.status-group{display:flex;align-items:center;gap:12px}.icon-btn{background:transparent;border:none;font-size:1.2rem;color:#555;cursor:pointer;padding:5px;border-radius:50%;transition:all .2s;width:36px;height:36px;display:flex;align-items:center;justify-content:center}.icon-btn:hover{background:#0000000d;color:var(--accent)}.app-title{font-weight:900;font-size:1.2rem;color:#e74c3c;text-transform:uppercase;letter-spacing:1px}.tool-grid{display:flex;flex-direction:column;gap:8px;overflow-y:auto}.tool-btn{width:100%;aspect-ratio:1;background:#fff;border:2px solid #ddd;border-radius:8px;cursor:pointer;font-size:1.5rem;color:#555;transition:all .2s;display:flex;align-items:center;justify-content:center}.tool-btn.active{background:var(--accent);color:#fff;border-color:var(--accent-hover);transform:scale(1.05)}.control-group{margin-bottom:15px;background:#ffffff80;padding:8px;border-radius:8px}.control-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:5px;color:#444}.palette-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:5px;margin-bottom:8px}.color-swatch{width:100%;aspect-ratio:1;border-radius:50%;cursor:pointer;border:2px solid transparent;box-shadow:0 2px 4px #0000001a;transition:transform .1s}.color-swatch:hover{transform:scale(1.1)}.color-swatch.active{border-color:#333;transform:scale(1.1);box-shadow:0 0 0 2px #fff,0 0 0 4px #333}.palette-presets{display:flex;gap:4px;flex-wrap:wrap}.preset-chip{font-size:.7rem;padding:2px 6px;background:#eee;border-radius:10px;cursor:pointer}.slider-row{margin-bottom:8px}.slider-row label{font-size:.8rem;font-weight:400}input[type=range]{width:100%;cursor:pointer}.action-btn{width:100%;padding:10px;margin-top:5px;border:none;border-radius:6px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;font-size:.9rem}.action-btn.primary{background:#2ecc71;color:#fff}.action-btn.secondary{background:#95a5a6;color:#fff}.action-btn:active{transform:scale(.98)}#btn-undo{background:#f39c12;color:#fff}#btn-clear{background:#c0392b;color:#fff}select{width:100%;padding:8px;border-radius:4px;border:1px solid #ccc;font-size:.9rem}.spacer{flex:1}#joystick-zone{position:absolute;bottom:20px;right:320px;width:120px;height:120px;border:2px dashed rgba(0,0,0,.2);border-radius:50%;pointer-events:auto;display:flex;align-items:center;justify-content:center;background:#0000000d}.joystick-label{position:absolute;top:-25px;color:#333;font-size:.8rem;font-weight:700;text-shadow:none}#joystick-knob{width:40px;height:40px;background:#3498dbcc;border-radius:50%;box-shadow:0 2px 5px #0000004d;pointer-events:none}@media(max-width:800px){.left-panel{top:auto;bottom:0;left:0;width:100%;height:70px;flex-direction:row;overflow-x:auto;border-radius:12px 12px 0 0}.panel-header{display:none}.tool-grid{flex-direction:row;width:100%}.right-panel{display:none}#joystick-zone{right:20px;bottom:90px}}