.ctdt-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #007bff;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #007bff;
}

/* Tiêu đề phụ - Phần, Năm */
.ctdt-subtitle {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

/* Danh sách */
.ctdt-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

    .ctdt-list li {
        margin-bottom: 0.75rem;
        padding-left: 1.5rem;
        position: relative;
    }

        .ctdt-list li:before {
            content: "•";
            position: absolute;
            left: 0;
            color: #007bff;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .ctdt-list li a {
            color: #333;
            text-decoration: none;
            display: block;
            padding: 0.5rem;
            transition: all 0.3s ease;
            border-radius: 4px;
        }

            .ctdt-list li a:hover {
                background-color: #007bff;
                color: white !important;
                padding-left: 1rem;
            }

/* Chuyên ngành */
.chuyen-nganh {
    font-size: 0.9rem;
    color: #666;
    padding-left: 1rem;
    display: inline-block;
    margin-top: 0.25rem;
}

.ctdt-list li a:hover .chuyen-nganh {
    color: white;
}

/* Section spacing */
.ctdt-section {
    background: white;
    padding: 1.5rem;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Group spacing */
.chuongtrinh-group {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e9ecef;
}

    .chuongtrinh-group:last-child {
        border-bottom: none;
    }

/* Alert - Hiển thị vĩnh viễn */
.ctdt-empty-alert {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    animation: none !important;
    opacity: 1 !important;
    visibility: visible !important;
}

    .ctdt-empty-alert i {
        color: #2196f3;
        font-size: 2rem;
        flex-shrink: 0;
    }

    .ctdt-empty-alert p {
        margin: 0;
        font-size: 1.1rem;
        font-weight: 500;
        color: #1976d2;
    }

/* Responsive */
@media (max-width: 768px) {
    .ctdt-title {
        font-size: 1.25rem;
    }

    .ctdt-subtitle {
        font-size: 1.1rem;
    }

    .ctdt-list li {
        padding-left: 1.25rem;
    }

    .ctdt-empty-alert {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

        .ctdt-empty-alert p {
            font-size: 1rem;
        }
}