.tetris-container{display:flex;flex-direction:column;align-items:center;padding:var(--space-5);background:#282c34;color:#fff;min-height:100vh}.tetris-header{margin-bottom:var(--space-5);text-align:center}.score-board{font-size:var(--space-6);font-weight:700;color:#4caf50;margin-top:10px}.game-area{display:flex;flex-direction:column;align-items:center;gap:var(--space-5)}.tetris-board{width:250px;height:500px;background:var(--color-black);border:4px solid #555;position:relative;display:flex;flex-direction:column}.tetris-row{display:flex;flex:1}.tetris-cell{width:25px;height:25px;box-sizing:border-box;border:1px solid #111}.tetris-cell.filled{border:1px solid rgba(255,255,255,.5);box-shadow:inset 0 0 5px #00000080}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:10}.message{text-align:center;background:#333;padding:var(--space-5);border-radius:var(--space-2);border:1px solid #666}.message button{margin-top:10px;padding:var(--space-2) var(--space-5);font-size:var(--space-4);cursor:pointer;background:#1890ff;border:none;color:#fff;border-radius:4px}.instructions{margin-top:var(--space-5);color:#aaa;font-size:var(--text-sm)}.controls-mobile{display:none;flex-direction:column;align-items:center;gap:10px;margin-top:10px}.row-controls{display:flex;gap:var(--space-5)}.control-btn{width:50px;height:50px;border-radius:var(--radius-full);border:none;background:#ffffff1a;color:#fff;font-size:var(--space-5);cursor:pointer;display:flex;align-items:center;justify-content:center}.control-btn:active{background:#ffffff4d}@media (max-width: 600px){.controls-mobile{display:flex}.instructions{display:none}}