body { font-family: sans-serif; background: #f4f4f9; color: #333; padding: 20px; text-align: center; }
.container { max-width: 800px; margin: 0 auto; background: white; padding: 30px; border-radius: 10px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.auth-card { background: #eee; padding: 20px; border-radius: 8px; display: inline-block; margin: 20px 0; }
.auth-card input { display: block; margin: 10px auto; padding: 8px; width: 200px; }
.auth-card button { padding: 8px 20px; background: #007bff; color: white; border: none; border-radius: 4px; cursor: pointer; }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 15px; margin-top: 20px; }
.cat-img { width: 100%; height: 150px; object-fit: cover; border-radius: 6px; transition: transform 0.2s; }
.cat-img:hover { transform: scale(1.05); }
.success-banner { background: #d4edda; color: #155724; padding: 20px; border-radius: 8px; margin-bottom: 20px; }
.btn { display: inline-block; padding: 10px 20px; background: #dc3545; color: white; text-decoration: none; border-radius: 5px; }