/* =================================================================
   SUPERVISOR DASHBOARD STYLES
   Bob and Mariel Ward School of Filipino Languages
   Read-only dashboard for Language Program Supervisors
   ================================================================= */

.module-supervisor-dashboard {
    padding: var(--spacing-large);
    max-width: 1600px;
    margin: 0 auto;
}

/* Header */
.module-supervisor-dashboard .dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-large);
    flex-wrap: wrap;
    gap: var(--spacing-base);
}

.module-supervisor-dashboard .welcome-section h1 {
    margin: 0 0 0.25rem 0;
    font-size: 1.75rem;
    color: var(--text-primary);
}

.module-supervisor-dashboard .supervisor-info {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.module-supervisor-dashboard .header-actions {
    display: flex;
    gap: var(--spacing-small);
    flex-wrap: wrap;
}

/* Class Stats - reuse teacher-dashboard pattern */
.module-supervisor-dashboard .class-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-base);
    margin-bottom: var(--spacing-large);
}

.module-supervisor-dashboard .class-stats .stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-medium);
    padding: var(--spacing-base);
    text-align: center;
    border: 1px solid var(--border-color);
}

.module-supervisor-dashboard .class-stats .stat-card.warning {
    border-color: var(--warning);
    background: rgba(245, 158, 11, 0.05);
}

.module-supervisor-dashboard .class-stats .stat-card.warning i {
    color: var(--warning);
}

.module-supervisor-dashboard .class-stats .stat-card i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.module-supervisor-dashboard .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.module-supervisor-dashboard .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Dashboard Content */
.module-supervisor-dashboard .dashboard-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-large);
}

.module-supervisor-dashboard .dashboard-content:has(.student-detail-panel:not(.hidden)) {
    grid-template-columns: 1fr 400px;
}

/* Section Header */
.module-supervisor-dashboard .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-base);
    flex-wrap: wrap;
    gap: var(--spacing-small);
}

.module-supervisor-dashboard .section-header h2 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.module-supervisor-dashboard .filter-controls {
    display: flex;
    gap: var(--spacing-small);
}

.module-supervisor-dashboard .filter-select {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-small);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.85rem;
}

/* Students Table */
.module-supervisor-dashboard .students-table-container {
    overflow-x: auto;
}

.module-supervisor-dashboard .students-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.module-supervisor-dashboard .students-table th {
    background: var(--bg-secondary);
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.module-supervisor-dashboard .students-table th.sortable {
    cursor: pointer;
    user-select: none;
    transition: color 0.15s;
}

.module-supervisor-dashboard .students-table th.sortable:hover {
    color: var(--text-primary);
}

.module-supervisor-dashboard .students-table th .sort-icon {
    margin-left: 0.35rem;
    font-size: 0.75rem;
    opacity: 0.4;
}

.module-supervisor-dashboard .students-table th .sort-icon.active {
    opacity: 1;
    color: var(--accent-color, #4a90d9);
}

.module-supervisor-dashboard .students-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.module-supervisor-dashboard .students-table tr {
    cursor: pointer;
    transition: background 0.15s;
}

.module-supervisor-dashboard .students-table tbody tr:hover {
    background: var(--bg-secondary);
}

.module-supervisor-dashboard .students-table tr.struggling {
    background: rgba(245, 158, 11, 0.03);
}

.module-supervisor-dashboard .students-table tr.struggling:hover {
    background: rgba(245, 158, 11, 0.08);
}

.module-supervisor-dashboard .student-name-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.module-supervisor-dashboard .warning-icon {
    color: var(--warning);
    font-size: 0.85rem;
}

/* Progress Bar */
.module-supervisor-dashboard .progress-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.module-supervisor-dashboard .mini-progress-bar {
    height: 6px;
    border-radius: 3px;
    min-width: 60px;
    max-width: 100px;
    transition: width 0.3s;
}

.module-supervisor-dashboard .mini-progress-bar.good {
    background: var(--success, #22c55e);
}

.module-supervisor-dashboard .mini-progress-bar.medium {
    background: var(--warning, #f59e0b);
}

.module-supervisor-dashboard .mini-progress-bar.low {
    background: var(--danger, #ef4444);
}

/* Status Badge */
.module-supervisor-dashboard .status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.module-supervisor-dashboard .status-ok {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success, #22c55e);
}

.module-supervisor-dashboard .status-struggling {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning, #f59e0b);
}

/* Empty / Loading rows */
.module-supervisor-dashboard .loading-row,
.module-supervisor-dashboard .empty-row {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem !important;
}

/* Detail Panel */
.module-supervisor-dashboard .student-detail-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    overflow: hidden;
}

.module-supervisor-dashboard .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-base);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.module-supervisor-dashboard .panel-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.module-supervisor-dashboard .panel-body {
    padding: var(--spacing-base);
    max-height: 70vh;
    overflow-y: auto;
}

/* Student Info */
.module-supervisor-dashboard .student-info {
    margin-bottom: var(--spacing-base);
}

.module-supervisor-dashboard .info-row {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
}

.module-supervisor-dashboard .info-row .label {
    font-weight: 600;
    color: var(--text-secondary);
}

.module-supervisor-dashboard .info-row .value {
    color: var(--text-primary);
}

/* Lesson Details */
.module-supervisor-dashboard .lesson-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-small);
}

.module-supervisor-dashboard .lesson-detail-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-small);
    padding: var(--spacing-small);
}

.module-supervisor-dashboard .lesson-detail-card.completed {
    border-left: 3px solid var(--success, #22c55e);
}

.module-supervisor-dashboard .lesson-detail-card.in_progress {
    border-left: 3px solid var(--primary);
}

.module-supervisor-dashboard .lesson-detail-card.locked {
    opacity: 0.5;
}

.module-supervisor-dashboard .lesson-header-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.module-supervisor-dashboard .lesson-num {
    font-weight: 600;
}

.module-supervisor-dashboard .lesson-progress-badge {
    background: var(--primary);
    color: white;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.module-supervisor-dashboard .activity-detail-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0;
    font-size: 0.85rem;
}

.module-supervisor-dashboard .activity-detail-row.completed i {
    color: var(--success, #22c55e);
}

.module-supervisor-dashboard .activity-detail-row.pending i {
    color: var(--text-secondary);
    opacity: 0.4;
}

.module-supervisor-dashboard .activity-name {
    flex: 1;
}

.module-supervisor-dashboard .activity-value {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Login Required / Access Denied */
.module-supervisor-dashboard .login-required {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.module-supervisor-dashboard .login-required i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    opacity: 0.5;
}

.module-supervisor-dashboard .loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.module-supervisor-dashboard .error {
    text-align: center;
    padding: 2rem;
    color: var(--danger, #ef4444);
}

/* Responsive */
@media (max-width: 768px) {
    .module-supervisor-dashboard {
        padding: var(--spacing-base);
    }

    .module-supervisor-dashboard .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .module-supervisor-dashboard .class-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .module-supervisor-dashboard .dashboard-content:has(.student-detail-panel:not(.hidden)) {
        grid-template-columns: 1fr;
    }

    .module-supervisor-dashboard .students-table {
        font-size: 0.8rem;
    }

    .module-supervisor-dashboard .students-table th,
    .module-supervisor-dashboard .students-table td {
        padding: 0.5rem;
    }
}