/* ============================================
   CLASSES PAGE STYLES
   ============================================ */

.classes-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.classes-intro {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.total-pill {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.section-group-label {
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin: var(--space-lg) 0 var(--space-sm);
}

.section-group-label:first-of-type {
  margin-top: 0;
}

/* ============================================
   CLASS GRID CARDS
   ============================================ */
.class-mgmt-grid {
  margin-bottom: var(--space-md);
}

.class-mgmt-card {
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.class-mgmt-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.class-mgmt-card-name {
  font-weight: 700;
  font-size: var(--fs-base);
}

.class-mgmt-card-count {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.class-mgmt-card-teacher {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.mini-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.no-teacher-text {
  color: var(--color-text-muted);
  font-style: italic;
  font-size: var(--fs-sm);
}

/* ============================================
   CLASS DETAIL VIEW
   ============================================ */
.back-link {
  background: none;
  border: none;
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--fs-sm);
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-md);
  min-height: 44px;
}

.back-link:hover {
  text-decoration: underline;
}

.class-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.class-detail-subtitle {
  color: var(--color-text-muted);
}

.class-detail-grid {
  margin-bottom: var(--space-lg);
}

.detail-card {
  margin-bottom: var(--space-lg);
}

.detail-card h3 {
  margin-bottom: var(--space-md);
}

/* --- Class Teacher info block (inside detail-card) --- */
.teacher-info-block {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.teacher-info-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.teacher-info-name {
  font-weight: 600;
  margin-bottom: 0.1rem;
}

.teacher-info-meta {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* --- Class Statistics list --- */
.class-stats-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.class-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-sm);
}

.class-stat-row:last-child {
  border-bottom: none;
}

.class-stat-row .stat-label {
  color: var(--color-text-muted);
}

.class-stat-row .stat-value {
  font-weight: 600;
}

/* --- Subjects chips --- */
.subjects-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.subject-chip {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 0.4rem 0.85rem;
  font-size: var(--fs-sm);
  font-weight: 500;
}

/* --- Other staff list (specialists teaching this class) --- */
.other-staff-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.other-staff-row:last-child {
  border-bottom: none;
}

.other-staff-name {
  font-weight: 500;
  font-size: var(--fs-sm);
}

.other-staff-subject {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.empty-state-text {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-style: italic;
}