   padding: 12px;
            border: 2px solid #bdc3c7;
            border-radius: 5px;
            font-size: 16px;
        }

        input[type="text"]:focus {
            border-color: #3498db;
            outline: none;
        }

        button {
            padding: 12px 20px;
            background: #3498db;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            transition: background 0.3s;
        }
