.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 64px);
}

.admin-sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 24px 0;
}

.admin-sidebar-header {
  padding: 0 24px 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.admin-sidebar-header h2 {
  font-size: 1.125rem;
  font-weight: 700;
}

.admin-sidebar-header p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.admin-nav {
  list-style: none;
  padding: 0 12px;
}

.admin-nav-item {
  margin-bottom: 4px;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.admin-nav-link:hover,
.admin-nav-link.active {
  background: rgba(168, 85, 247, 0.1);
  color: var(--accent-purple-light);
}

.admin-main {
  padding: 32px;
  overflow-y: auto;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.admin-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.admin-stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.admin-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-purple-light);
  margin-bottom: 4px;
}

.admin-stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.admin-table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  text-align: left;
  padding: 14px 20px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-glass);
}

.admin-table td {
  padding: 14px 20px;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

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

.admin-table tr:hover td {
  background: var(--bg-glass);
}

.admin-table .user-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-table .user-cell img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

@media (max-width: 1024px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    display: none;
  }
  .admin-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .admin-stats-grid {
    grid-template-columns: 1fr;
  }
  .admin-table-container {
    overflow-x: auto;
  }
}