/* Admin Dashboard Interface — Linear & Stripe Inspired — ProblemX */

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* Stats Widget Panel */
.admin-widget {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease;
}

.admin-widget:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-md);
}

.admin-widget::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--color-primary);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.admin-widget:hover::after {
  opacity: 1;
}

.admin-widget-title {
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.admin-widget-value {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  line-height: 1;
}

.admin-widget-trend {
  font-size: var(--fs-caption);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.trend-up { color: var(--color-success); }
.trend-down { color: var(--color-danger); }

/* Charts & Analytics Containers */
.charts-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}
@media (max-width: 992px) {
  .charts-container {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.chart-title {
  font-family: var(--font-secondary);
  font-size: var(--fs-body-md);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
}

.chart-body {
  height: 240px;
  background-color: var(--color-bg-secondary);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: var(--fs-body-sm);
}

/* Premium Admin Tables styling */
.admin-table-container {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: var(--space-6);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--fs-body-sm);
}

.admin-table th {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  font-size: var(--fs-caption);
  letter-spacing: 0.05em;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.admin-table td {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  vertical-align: middle;
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-table tbody tr {
  transition: background-color 0.2s ease;
}

.admin-table tbody tr:hover {
  background-color: var(--color-bg-secondary);
}

/* User Roles badges for tables */
.role-badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.role-badge.role-student {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.role-badge.role-mentor {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary-border);
}

.role-badge.role-moderator {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
  border-color: var(--color-warning-border);
}

.role-badge.role-admin {
  background-color: var(--color-danger-light);
  color: var(--color-danger);
  border-color: var(--color-danger-border);
}

/* Suspended state row style */
.admin-table tr.user-suspended {
  opacity: 0.6;
}
.admin-table tr.user-suspended td {
  text-decoration: line-through;
}