*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{font-family:Arial,sans-serif;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;padding:10px;display:flex;justify-content:center;align-items:flex-start}.container{text-align:center;background:rgba(255,255,255,0.98);padding:1rem;border-radius:15px;box-shadow:0 10px 40px rgba(0,0,0,0.4);width:100%;max-width:100%;margin:10px auto 20px}h1{color:#333;margin-bottom:1rem;font-size:1.8rem}.controls{display:flex;gap:0.5rem;justify-content:center;flex-wrap:wrap;margin-bottom:0.8rem}.control-group{display:flex;flex-direction:column;gap:0.2rem;align-items:flex-start;flex:1;min-width:120px;max-width:140px}.control-group label{font-weight:600;font-size:0.75rem}select{padding:0.4rem;border-radius:6px;border:2px solid #667eea;font-size:0.8rem;width:100%}.info{display:flex;justify-content:space-between;align-items:center;margin-bottom:0.8rem;padding:0.6rem;background:linear-gradient(90deg,#667eea15,#764ba215);border-radius:8px;font-weight:bold;font-size:0.85rem;flex-wrap:wrap;gap:0.3rem}button{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;padding:0.5rem 0.8rem;border-radius:6px;cursor:pointer;font-size:0.8rem;font-weight:600}#preview{width:100px;height:100px;object-fit:cover;border-radius:8px;border:2px solid #667eea;margin-bottom:0.8rem}.board-wrapper{width:100%;display:flex;justify-content:center;overflow-x:auto;margin-bottom:0.8rem}.board{display:grid;gap:1px;background:#222;padding:1px;border-radius:8px}.tile{background-size:100% 100%;cursor:pointer}.empty{background:#444}.message{font-size:1.1rem;font-weight:bold;color:#2ed573;min-height:1.5rem}@media(min-width:600px){.container{max-width:500px;padding:2rem}h1{font-size:2.2rem}}