/* Table Styles */
.table-responsive {
    overflow-x: auto;
}

.course-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.course-table th,
.course-table td {
    padding: 16px var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.course-table th {
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: rgba(15, 34, 56, 0.5);
    /* subtle bg for header */
}

.course-table tbody tr {
    transition: var(--transition);
}

.course-table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.05);
}

.course-table td {
    color: var(--color-text-main);
    font-size: 0.95rem;
}

/* Custom Checkbox */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

/* Filters and Pagination */
.filters-container {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.filters-container input {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    flex: 1;
    min-width: 150px;
    background-color: var(--color-bg-sidebar);
    color: var(--color-text-main);
    font-family: inherit;
}

.filters-container input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.btn-search {
    padding: 10px 20px;
    margin-top: 0;
}

.btn-clear {
    padding: 10px 20px;
    margin-top: 0;
    background-color: var(--color-bg-sidebar);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
}

.btn-clear:hover {
    background-color: var(--color-border);
}

.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.page-size-selector {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.page-size-selector label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.page-select {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-sidebar);
    color: var(--color-text-main);
}

.pagination-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.btn-page {
    padding: 6px 16px;
    margin-top: 0;
    background-color: var(--color-bg-sidebar);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
}

.btn-page:hover:not(:disabled) {
    background-color: var(--color-border);
}

.btn-page:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-indicator {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-main);
}

/* Mobile Responsive Table and Filters */
@media (max-width: 992px) {
    .filters-container {
        flex-direction: column;
        align-items: stretch;
    }

    .filters-container input,
    .filters-container button {
        width: 100%;
        margin-bottom: var(--space-sm);
    }
}

@media (max-width: 768px) {

    /* Convert Table to Card Layout */
    .course-table thead {
        display: none;
    }

    .course-table,
    .course-table tbody,
    .course-table tr,
    .course-table td {
        display: block;
        width: 100%;
    }

    .course-table tr {
        margin-bottom: var(--space-lg);
        background-color: var(--color-bg-sidebar);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: var(--space-md);
        box-shadow: var(--shadow-sm);
    }

    .course-table td {
        text-align: right;
        padding: 12px 10px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        position: relative;
        padding-left: 50%;
        display: flex;
        justify-content: flex-end;
        align-items: center;
    }

    .course-table td:last-child {
        border-bottom: 0;
    }

    .course-table td::before {
        content: attr(data-label);
        position: absolute;
        left: 10px;
        width: 45%;
        white-space: nowrap;
        text-align: left;
        font-weight: 600;
        color: var(--color-text-muted);
    }

    .checkbox-wrapper {
        justify-content: flex-end;
    }
}