body {
            font-family: 'Segoe UI', sans-serif;
            background: linear-gradient(to right, #d9e4f5, #f9fafe);
            margin: 0;
            padding: 0;
            color: #333;
        }

        header {
            background-color: #004aad;
            color: #fff;
            padding: 5px 0;
            text-align: center;
            box-shadow: 0 3px 8px rgba(0,0,0,0.2);
        }

        header h1 {
            font-size: 2.5rem;
        }

        .container {
            max-width: 800px;
            margin: 40px auto;
            background: #fff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 0 20px rgba(0,0,0,0.1);
        }

        form {
            display: flex;
            flex-direction: column;
        }

        label {
            margin-bottom: 5px;
            font-weight: bold;
        }

        input, textarea {
            margin-bottom: 20px;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 16px;
        }

        textarea {
            resize: vertical;
            height: 120px;
        }

        button {
            background-color: #007acc;
            color: white;
            border: none;
            padding: 12px;
            font-size: 16px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s;
        }

        button:hover {
            background-color: #005f99;
        }

        .success-message {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 8px;
        }

        .footer {
            text-align: center;
            padding: 20px;
            font-size: 14px;
            color: #666;
        }