body {
            background-color: #879593;

        }

        .form-container {
            background-color: #ffffff;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            margin-top: 50px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .form-header {
            text-align: center;
            margin-bottom: 25px;
            font-size: 1.8rem;
            font-weight: 600;
            color: #2c3e50;
        }

        .form-button {
            width: 100%;
            background-color: #3498db;
            color: white;
            font-weight: 600;
            border: none;
            padding: 12px;
            border-radius: 5px;
            font-size: 1rem;
        }

        .form-button:hover {
            background-color: #2980b9;
        }

        .form-label {
            font-weight: bold;
            color: #34495e;
        }

        .form-group input, .form-group select, .form-group textarea {
            border-radius: 5px;
            border: 1px solid #ced4da;
            padding: 10px;
            font-size: 1rem;
        }

        .form-group textarea {
            resize: vertical;
        }

        .category-checkboxes label {
            font-weight: normal;
        }

        .category-checkboxes input {
            margin-right: 5px;
        }

        .row-two-columns .form-group {
            margin-bottom: 20px;
        }

        .error {
            color: red;
            font-size: 0.875rem;
            margin-top: 5px;
        }

        .is-invalid {
            border-color: red !important;
        }

        .form-check-label {
            font-size: 0.875rem;
        }

        .container {
            max-width: 1200px;
        }

        .success-alert {
    border: 2px solid #28a745;
    background: #e9f9ef;
    color: #155724;
    padding: 12px 18px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.15);
    animation: slideDown 0.4s ease-in-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}