/* /static/css/components/admin-table.css */
/* Admin 数据卡片组件样式 - 现代卡片网格布局 */
/* 设计理念：自适应列数，卡片化展示，轻量化容器 */
/* 相关文件：views/components/table-macros.html, static/js/admin/monitor-page.js */

/* ===== 卡片网格容器 ===== */
.admin-card-grid {
  display: grid;
  gap: 0.75rem;
  /* 自适应列数：最小 280px，自动填充 */
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* 大屏幕优化：限制最大列数 */
@media (min-width: 1280px) {
  .admin-card-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}

/* 小屏幕：单列 */
@media (max-width: 640px) {
  .admin-card-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* ===== 数据卡片 ===== */
.admin-data-card {
  /* 使用合成 Token，自动适配毛玻璃开关状态 */
  background-color: var(--inner-surface-bg);
  /* 边框使用主题变量（唯一真源），已包含透明度 35% */
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  position: relative;
  overflow: hidden;
}

.admin-data-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  /* 悬停时使用激活态背景 */
  background-color: var(--inner-active-surface-bg);
}

:root.dark .admin-data-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 选中状态 */
.admin-data-card.selected {
  background-color: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.35);
}

:root.dark .admin-data-card.selected {
  background-color: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.35);
}

/* ===== 卡片头部 ===== */
.admin-card-header {
  display: flex;
  align-items: center; /* 垂直居中对齐勾选框和标题 */
  justify-content: flex-start;
  gap: 0.5rem;
  /* 负边距抵消父容器 padding，填充满卡片头部 */
  margin: -1rem -1rem 0.75rem -1rem;
  padding: 0.75rem 1rem;
  /* 底部分隔线 */
  border-bottom: 1px solid var(--border-color);
}

.admin-card-title-group {
  flex: 1;
  min-width: 0;
}

.admin-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-color);
  line-height: 1.3;
  margin: 0;
  /* 单行截断 */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-card-subtitle {
  font-size: 0.75rem;
  color: var(--secondary-text-color);
  margin-top: 0.125rem;
  /* 单行截断 */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== 卡片复选框 ===== */
/* 勾选框放入 header flex 布局，自动与标题垂直居中 */
.admin-card-checkbox {
  /* 标准尺寸 16px，符合行业规范 */
  width: 1rem;
  height: 1rem;
  border-radius: 0.1875rem;
  border: 1px solid var(--border-color);
  background-color: var(--input-surface-bg);
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
  margin-right: 0.5rem;
}

.admin-card-checkbox:checked {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

/* 有复选框时 header 需要调整对齐 */
.admin-data-card.has-checkbox .admin-card-header {
  /* 勾选框已在 flex 布局中，无需额外调整 */
}

/* ===== 卡片内容区 ===== */
.admin-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* 信息行 */
.admin-card-info-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--secondary-text-color);
}

.admin-card-info-row i {
  font-size: 0.875rem;
  width: 1rem;
  flex-shrink: 0;
  opacity: 0.7;
}

.admin-card-info-value {
  color: var(--text-color);
  font-weight: 500;
}

/* 标签组 */
.admin-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.25rem;
}

.admin-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 500;
  border-radius: 0.25rem;
  background-color: var(--hover-bg-color);
  color: var(--secondary-text-color);
}

/* ===== 卡片底部 ===== */
.admin-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  /* 分隔线使用主题变量（唯一真源），已包含透明度 */
  border-top: 1px solid var(--border-color);
  /* 覆盖 glassmorphism.css 中全局 footer 的背景色 */
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

/* ===== 状态徽章 ===== */
.admin-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  white-space: nowrap;
}

.admin-card-badge-online {
  background-color: rgba(var(--success-color-rgb, 16, 185, 129), 0.1);
  color: var(--success-color, #10b981);
}

.admin-card-badge-offline {
  background-color: rgba(var(--error-color-rgb, 239, 68, 68), 0.1);
  color: var(--error-color, #ef4444);
}

.admin-card-badge-warning {
  background-color: rgba(var(--warning-color-rgb, 245, 158, 11), 0.1);
  color: var(--warning-color, #f59e0b);
}

.admin-card-badge-default {
  background-color: var(--hover-bg-color);
  color: var(--secondary-text-color);
}

/* 状态指示点 */
.admin-card-status-dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.admin-card-status-dot-online {
  background-color: var(--success-color, #10b981);
  animation: pulse-green 2s infinite;
}

.admin-card-status-dot-offline {
  background-color: var(--error-color, #ef4444);
}

.admin-card-status-dot-warning {
  background-color: var(--warning-color, #f59e0b);
  animation: pulse-yellow 2s infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes pulse-yellow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ===== 操作按钮组 ===== */
.admin-card-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.admin-card-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.875rem;
  height: 1.875rem;
  border-radius: 0.375rem;
  color: var(--secondary-text-color);
  background-color: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.admin-card-action-btn:hover {
  background-color: var(--hover-bg-color);
  color: var(--text-color);
}

.admin-card-action-btn-edit:hover {
  color: var(--accent-color);
  background-color: var(--accent-light-color);
}

.admin-card-action-btn-delete:hover {
  color: var(--error-color);
  background-color: rgba(239, 68, 68, 0.1);
}

.admin-card-action-btn i {
  font-size: 1rem;
}

/* ===== 分页栏 ===== */
.admin-card-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  margin-top: 0.5rem;
  /* 顶部分隔线使用主题变量（唯一真源），已包含透明度 */
  border-top: 1px solid var(--border-color);
}

.admin-card-pagination-info {
  font-size: 0.8125rem;
  color: var(--secondary-text-color);
}

.admin-card-pagination-buttons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-card-pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-color);
  background-color: transparent;
  /* 边框使用主题变量（唯一真源），已包含透明度 */
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.admin-card-pagination-btn:hover:not(:disabled) {
  background-color: rgba(148, 163, 184, 0.1);
}

:root.dark .admin-card-pagination-btn:hover:not(:disabled) {
  background-color: rgba(71, 85, 105, 0.2);
}

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

/* ===== 空状态 ===== */
.admin-card-empty {
  grid-column: 1 / -1;
  padding: 3rem 1rem;
  text-align: center;
}

.admin-card-empty-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1rem;
  background-color: var(--inner-surface-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.admin-card-empty-icon i {
  font-size: 1.75rem;
  color: var(--secondary-text-color);
}

.admin-card-empty-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 0.375rem;
}

.admin-card-empty-desc {
  font-size: 0.8125rem;
  color: var(--secondary-text-color);
}

/* ===== 加载状态 ===== */
.admin-card-loading {
  grid-column: 1 / -1;
  padding: 3rem 1rem;
  text-align: center;
}

.admin-card-loading-spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}