/* ============================================
   数据库运维管理 - 操作台样式
   匹配 schema: User → Device → DeviceStatus / Order
   ============================================ */

/* ---- Layout & Structure ---- */
.admin-container {
  padding: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
  margin-top: 100px;
  position: relative;
  z-index: 1;
}

.admin-header {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.06) 0%, rgba(123, 47, 247, 0.06) 100%);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.admin-subtitle {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* Schema flow hint */
.admin-schema-flow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.admin-schema-flow span {
  padding: 0.2rem 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.admin-schema-flow .flow-arrow {
  color: var(--primary-color);
  opacity: 0.7;
}

/* ---- Entity Groups (matching schema) ---- */
.admin-entity-groups {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.entity-group {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
}

.entity-group-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-sm);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ---- Table Cards (operations) ---- */
.tables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.table-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: all 0.25s ease;
  overflow: hidden;
}

.table-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-color);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.table-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.table-card:hover::before {
  opacity: 1;
}

.table-card.active {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--primary-color);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.2);
}

.table-card.active::before {
  opacity: 1;
}

/* Entity-specific accents */
.table-card[data-entity="User"]::before { background: linear-gradient(180deg, #a855f7, #7b2ff7); }
.table-card[data-entity="Device"]::before { background: var(--gradient-primary); }
.table-card[data-entity="DeviceStatus"]::before { background: linear-gradient(180deg, #00ff88, #00d4ff); }
.table-card[data-entity="Order"]::before { background: linear-gradient(180deg, #f59e0b, #f97316); }

.table-card .table-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  line-height: 1;
  opacity: 0.9;
}

.table-card .table-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.table-card .table-count {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.table-card .table-description {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.table-card .table-relation {
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.8;
  margin-top: 0.25rem;
  font-family: monospace;
}

/* ---- Data Section ---- */
.data-section {
  margin-top: var(--spacing-xl);
  display: none;
}

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

.data-toolbar h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.data-table-wrapper {
  background: rgba(0, 0, 0, 0.2);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-sm);
  overflow-x: auto;
  overflow-y: visible;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.data-table-wrapper::-webkit-scrollbar {
  height: 8px;
}

.data-table-wrapper::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.3);
  border-radius: 4px;
}

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

.data-table th {
  background: rgba(0, 212, 255, 0.06);
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  white-space: nowrap;
  vertical-align: middle;
}

.data-table td {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

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

/* Status badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-online {
  background: rgba(0, 255, 136, 0.2);
  color: #00ff88;
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.badge-offline {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge-maintenance {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-pending {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-completed {
  background: rgba(0, 255, 136, 0.2);
  color: #00ff88;
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.badge-cancelled {
  background: rgba(255, 107, 107, 0.2);
  color: #ff6b6b;
  border: 1px solid rgba(255, 107, 107, 0.3);
}

/* 角色徽章：Creator紫色、SuperMax红色、Operator运维员黄色、Admin蓝色 */
.badge-role-creator {
  background: rgba(168, 85, 247, 0.25);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.4);
}

.badge-role-supermax {
  background: rgba(239, 68, 68, 0.25);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.badge-role-operator {
  background: rgba(234, 179, 8, 0.25);
  color: #eab308;
  border: 1px solid rgba(234, 179, 8, 0.4);
}

.badge-role-admin {
  background: rgba(59, 130, 246, 0.25);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

/* ---- Buttons ---- */
.btn {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 10px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-darkest);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-danger {
  background: rgba(255, 68, 68, 0.15);
  color: #ff6b6b;
  border: 1px solid rgba(255, 68, 68, 0.25);
}

.btn-danger:hover {
  background: rgba(255, 68, 68, 0.25);
}

.btn-edit {
  background: rgba(0, 212, 255, 0.15);
  color: var(--primary-color);
  border: 1px solid rgba(0, 212, 255, 0.25);
  margin-right: 0.5rem;
}

.btn-edit:hover {
  background: rgba(0, 212, 255, 0.25);
}

/* ---- Pagination ---- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
}

.pagination-btn {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-color);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

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

/* ---- Modal ---- */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

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

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.75rem;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 32px;
  height: 32px;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--text-primary);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0.375rem;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2300d4ff' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

select.form-input option {
  background: #1a1a2e;
  color: #e0e0e0;
}

.form-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.form-actions .btn {
  flex: 1;
}

.btn-cancel {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-cancel:hover {
  background: rgba(255, 255, 255, 0.1);
}

.error-message {
  background: rgba(255, 68, 68, 0.1);
  border: 1px solid rgba(255, 68, 68, 0.3);
  color: #ff6b6b;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: var(--font-size-sm);
  display: none;
}

.error-message.show {
  display: block;
}

.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.json-view {
  background: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  border-radius: 8px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  max-height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.empty-hint-row td {
  text-align: center !important;
  padding: 2.5rem !important;
  color: var(--text-muted) !important;
}

.empty-hint-row small {
  display: block;
  margin-top: 0.5rem;
  opacity: 0.8;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .admin-container {
    padding: var(--spacing-sm);
    margin-top: 80px;
    padding-left: max(var(--spacing-sm), env(safe-area-inset-left));
    padding-right: max(var(--spacing-sm), env(safe-area-inset-right));
  }

  .admin-header {
    padding: var(--spacing-md);
  }

  .admin-title {
    font-size: var(--font-size-2xl);
  }

  .admin-schema-flow {
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  .tables-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  .table-card {
    padding: var(--spacing-sm);
    min-height: 44px;
  }

  .data-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
  }

  .data-toolbar h2 {
    font-size: var(--font-size-lg);
  }

  .data-table-wrapper {
    margin-left: -0.5rem;
    margin-right: -0.5rem;
    border-radius: 0;
    max-width: calc(100% + 1rem);
  }

  .data-table {
    min-width: 600px;
  }

  .data-table th,
  .data-table td {
    padding: 0.75rem 0.6rem;
    font-size: 0.8rem;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    min-height: 44px;
    font-size: 1rem;
  }

  .btn-edit,
  .btn-danger {
    padding: 0.6rem 1rem;
    font-size: 0.875rem;
    min-height: 44px;
  }

  .modal {
    padding: 1rem;
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
  }

  .modal-content {
    max-height: 90vh;
    padding: var(--spacing-md);
  }

  .modal-close {
    width: 44px;
    height: 44px;
    font-size: 1.5rem;
  }

  .pagination {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .pagination-btn {
    min-height: 44px;
    padding: 0.6rem 1rem;
  }
}

@media (max-width: 480px) {
  .admin-container {
    margin-top: 72px;
  }

  .tables-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .table-card {
    padding: var(--spacing-md);
  }

  .table-card .table-name {
    font-size: var(--font-size-base);
  }

  .table-card .table-count {
    font-size: var(--font-size-xl);
  }

  .data-table {
    min-width: 500px;
  }

  .btn-primary,
  .btn-secondary {
    min-height: 44px;
  }
}