.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--text-muted);
    transition: all var(--transition);
}
.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.1);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.stat-card.pending::before { background: var(--yellow); }
.stat-card.progress::before { background: var(--cyan); }
.stat-card.done::before { background: var(--green); }
.stat-card.highlight::before { background: var(--accent); }
.stat-number { display: block; font-size: 2rem; font-weight: 700; color: var(--text-primary); }
.stat-label { display: block; font-size: 0.8rem; color: var(--text-secondary); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

.admin-page { margin: 28px 0; }
.card-table {
    background: var(--bg-card); border-radius: var(--radius);
    border: 1px solid var(--border); overflow: hidden;
}

/* Role badges */
.badge.rol-admin { background: rgba(188,140,255,0.15); color: var(--purple); }
.badge.rol-moderador { background: rgba(88,166,255,0.15); color: var(--accent); }
.badge.rol-usuario { background: rgba(255,255,255,0.06); color: var(--text-secondary); }

/* Filter form for admin tasks */
.filter-form {
    background: var(--bg-card); padding: 16px 20px;
    border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 16px;
}
.filter-form .form-control { width: auto; }

/* Charts */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 1.5rem 0;
}
.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}
.chart-card h3 {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-align: center;
}
.chart-card canvas {
    max-height: 260px;
}
.chart-card.full-width {
    grid-column: 1 / -1;
}

/* Bulk operations */
.bulk-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.6rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
}
.bulk-select-all {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}
.bulk-select-all input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
}
.bulk-actions {
    display: flex;
    gap: 0.5rem;
}
.task-check {
    display: flex;
    align-items: center;
    padding-right: 0.5rem;
}
.task-check input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    cursor: pointer;
}
.task-item {
    display: flex;
    align-items: flex-start;
    gap: 0;
}
.task-item .task-check {
    flex-shrink: 0;
}
.task-item .task-info {
    flex: 1;
}
.task-item .task-actions {
    flex-shrink: 0;
}

/* Summary table enhancements */
.summary-table td .btn-small { opacity: 0.7; }
.summary-table tr:hover td .btn-small { opacity: 1; }

/* Admin pages inner containers */
.admin-page .section { margin-top: 0; }

/* Export PDF link */
.export-pdf { display: inline-flex; align-items: center; gap: 6px; }