/**
 * Admin - Estilos específicos
 * Aula STEAM - Instituto de Educación en Ingeniería
 */

/* ==========================================
   Page Layout
   ========================================== */
.main-content {
  padding: var(--spacing-5) 0;
  min-height: calc(100vh - 64px - 60px);
}

/* ==========================================
   Page Header
   ========================================== */
.page-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-5);
}

.page-header-content {
  flex: 1;
  min-width: 250px;
}

/* ==========================================
   Stats Row
   ========================================== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-5);
}

.stat-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-4);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon-primary {
  background-color: rgba(26, 74, 110, 0.1);
  color: var(--color-primary);
}

.stat-icon-secondary {
  background-color: rgba(124, 58, 237, 0.1);
  color: var(--color-purple);
}

.stat-icon-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.stat-icon-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.stat-content {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* ==========================================
   Admin Sections
   ========================================== */
.admin-sections {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.admin-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.admin-section-header .admin-section-title {
  margin-bottom: 0;
}

.admin-section-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-4);
  color: var(--color-dark);
}

/* ==========================================
   Users Panel
   ========================================== */
.admin-panel {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.admin-add-form {
  display: flex;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-gray-100);
}

.admin-add-form input {
  flex: 1;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-base);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
}

.admin-user-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-gray-100);
}

.admin-user-item:last-child {
  border-bottom: none;
}

.admin-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-gray-600);
  flex-shrink: 0;
}

.admin-user-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.admin-user-info {
  flex: 1;
  min-width: 0;
}

.admin-user-email {
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.admin-user-meta {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.admin-user-badges {
  display: flex;
  gap: var(--spacing-1);
  flex-shrink: 0;
}

.admin-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.admin-badge-administrador {
  background: var(--color-purple-light);
  color: var(--color-purple);
}

.admin-badge-admin {
  background: var(--color-purple-light);
  color: var(--color-purple);
}

.admin-badge-profesional {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.admin-badge-auxiliar {
  background: var(--color-teal-light);
  color: var(--color-teal);
}

.admin-badge-invitado {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

.admin-badge-never {
  background: var(--color-gray-100);
  color: var(--color-gray-500);
}

.admin-role-select {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-base);
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  background: var(--color-white);
  cursor: pointer;
  min-width: 130px;
}

.admin-role-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(26, 74, 110, 0.15);
}

.admin-user-delete {
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--border-radius-base);
  transition: all 0.2s;
  flex-shrink: 0;
}

.admin-user-delete:hover {
  color: var(--color-danger);
  background: var(--color-red-light);
}

/* ==========================================
   Activity Log
   ========================================== */
.activity-log {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.activity-empty {
  padding: var(--spacing-6);
  text-align: center;
  color: var(--color-gray-500);
  margin: 0;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-gray-100);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
  min-width: 0;
}

.activity-text {
  color: var(--color-dark);
  margin: 0 0 var(--spacing-1);
  font-size: var(--font-size-sm);
}

.activity-time {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* ==========================================
   Backup Section
   ========================================== */
.backup-actions {
  display: flex;
  gap: var(--spacing-3);
  flex-wrap: wrap;
}

.backup-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 768px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .stat-card {
    padding: 12px;
  }

  .stat-icon {
    width: 36px;
    height: 36px;
  }

  .stat-value {
    font-size: 1.25rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .admin-role-select {
    min-height: 44px;
    font-size: var(--font-size-sm);
    padding: var(--spacing-2) var(--spacing-3);
  }

  .admin-user-delete {
    min-width: 36px;
    min-height: 36px;
    padding: 8px;
  }

  .admin-user-avatar {
    width: 36px;
    height: 36px;
  }

  .admin-add-form input,
  .admin-add-form select {
    min-height: 44px;
    font-size: 16px;
  }

  .admin-add-form .btn {
    min-height: 44px;
  }

  .admin-user-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    gap: var(--spacing-2);
    align-items: center;
  }

  .admin-user-avatar {
    grid-row: 1 / 3;
    align-self: start;
    margin-top: 2px;
  }

  .admin-user-info {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
  }

  .admin-user-badges {
    grid-column: 2 / -1;
    grid-row: 2;
    flex-wrap: wrap;
  }

  .admin-role-select {
    grid-column: 3;
    grid-row: 1;
  }

  .admin-user-delete {
    grid-column: 3;
    grid-row: 1;
  }
}

@media (max-width: 640px) {
  .admin-add-form {
    flex-direction: column;
  }

  .admin-add-form input,
  .admin-add-form select,
  .admin-add-form .btn {
    width: 100%;
  }
}