/* ============================================================
 *  网址导航 — 后台管理样式 (admin.css)
 * ============================================================
 *  设计: 左右布局 (左侧菜单 + 右侧内容)，全直角无圆角
 * ============================================================ */

/* ========== 主题变量 ========== */
:root {
  --bg: #f5f6fa;
  --text: #333;
  --header-bg: #fff;
  --header-text: #333;
  --border: #e0e0e0;
  --card-bg: #fff;
  --sidebar-bg: #f0f1f5;
  --sidebar-text: #555;
  --sidebar-active: #1a73e8;
  --sidebar-active-bg: #e8eef6;
  --primary: #1a73e8;
  --primary-hover: #1557b0;
  --danger: #e53935;
  --danger-bg: #ffebee;
  --success: #43a047;
  --success-bg: #e8f5e9;
  --input-bg: #fff;
  --input-border: #ddd;
  --table-hover: #f8f9fa;
  --table-head: #f0f1f5;
  --footer-text: #999;
  --shadow: 0 1px 4px rgba(0,0,0,0.08);
}

body.dark-mode {
  --bg: #131520;
  --text: #d0d0d0;
  --header-bg: #1a1a28;
  --header-text: #e0e0e0;
  --border: #2d2d3d;
  --card-bg: #1e1e2e;
  --sidebar-bg: #0d0d15;
  --sidebar-text: #888;
  --sidebar-active: #fff;
  --sidebar-active-bg: #2d2d3d;
  --primary: #4a9eff;
  --primary-hover: #6ab4ff;
  --danger: #ef5350;
  --danger-bg: #3a1a1a;
  --success: #66bb6a;
  --success-bg: #1a3a1a;
  --input-bg: #1e1e2e;
  --input-border: #3d3d4d;
  --table-hover: #252535;
  --table-head: #1a1a28;
  --footer-text: #666;
  --shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* ========== 全局重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 14px;
}

/* ============================================================
 *  登录页
 * ============================================================ */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
  padding: 20px;
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 40px 36px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow);
  text-align: center;
  border-radius: var(--card-radius, 0);
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--header-text);
  margin-bottom: 4px;
}

.login-subtitle {
  font-size: 13px;
  color: var(--footer-text);
  margin-bottom: 28px;
}

.login-form { text-align: left; }

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--footer-text);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--input-border);
  font-size: 14px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  transition: border 0.2s;
  border-radius: var(--card-radius, 0);
}

.form-group input:focus { border-color: var(--primary); }

.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 12px;
  text-align: center;
}

.back-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  color: var(--footer-text);
  text-decoration: none;
}

.back-link:hover { color: var(--primary); }

/* ============================================================
 *  通用按钮
 * ============================================================ */
.btn-primary {
  width: 100%;
  padding: 10px 16px;
  background: var(--primary);
  color: #fff;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  border-radius: var(--card-radius, 0);
}

.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-sm { width: auto; padding: 6px 14px; font-size: 13px; font-weight: normal; }

.btn-cancel {
  padding: 6px 14px;
  background: transparent;
  color: var(--footer-text);
  border: 1px solid var(--input-border);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: var(--card-radius, 0);
}

.btn-cancel:hover { border-color: var(--footer-text); color: var(--text); }

.btn-danger {
  padding: 4px 10px;
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: var(--card-radius, 0);
}

.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-move {
  padding: 6px 10px;
  background: transparent;
  color: var(--footer-text);
  border: 1px solid var(--input-border);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: var(--card-radius, 0);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
}

.btn-move:hover { border-color: var(--primary); color: var(--primary); }

.move-buttons {
  display: flex;
  gap: 6px;
  justify-content: center;
  align-items: center;
}

.btn-edit {
  padding: 4px 10px;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: var(--card-radius, 0);
}

.btn-edit:hover { background: var(--primary); color: #fff; }

/* ============================================================
 *  管理面板 - 顶部栏
 * ============================================================ */
.admin-body { min-height: 100vh; }

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--header-text);
}

.header-right { display: flex; align-items: center; gap: 16px; }

.header-link {
  font-size: 13px;
  color: var(--primary);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--card-radius, 8px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s, color 0.15s;
}
.header-link:hover {
  background: rgba(26, 115, 232, 0.08);
  text-decoration: none;
}

.header-btn {
  padding: 6px 12px;
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: var(--card-radius, 8px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.header-btn:hover { background: var(--danger); color: #fff; }

/* ============================================================
 *  ★ 左右布局
 * ============================================================ */
.admin-layout {
  display: flex;
  min-height: calc(100vh - 56px);
}

/* 左侧导航 */
.admin-sidebar {
  width: 200px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 12px 0;
}

.side-nav { display: flex; flex-direction: column; }

.side-nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: none;
  border: none;
  border-left: 3px solid transparent;
  font-size: 14px;
  color: var(--sidebar-text);
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  width: 100%;
}

.side-nav-btn:hover {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active);
}

.side-nav-btn.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active);
  border-left-color: var(--primary);
  font-weight: 600;
}

.side-nav-icon { font-size: 16px; flex-shrink: 0; width: 20px; text-align: center; }

/* 右侧内容 */
.admin-content {
  flex: 1;
  padding: 24px;
  overflow-x: auto;
  min-width: 0;
}

/* 面板切换 */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.panel-header h2 { font-size: 18px; font-weight: 600; }

/* ============================================================
 *  网站概要统计卡片
 * ============================================================ */
.overview-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--card-radius, 0);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: box-shadow 0.2s;
}

.stat-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--card-radius, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.stat-info {
  flex: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--footer-text);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
  line-height: 1;
}

/* ============================================================
 *  站点设置表单
 * ============================================================ */
.settings-form {
  max-width: 640px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: var(--card-radius, 0);
}

.form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  align-items: flex-start;
}

.form-label {
  width: 120px;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  padding-top: 8px;
}

.form-control { flex: 1; min-width: 0; }

.form-control .form-input { width: 100%; }

.form-hint {
  display: block;
  font-size: 12px;
  color: var(--footer-text);
  margin-top: 4px;
}

.save-tip {
  display: inline-block;
  margin-left: 12px;
  font-size: 13px;
  color: var(--success);
}

/* Favicon 上传区 */
.favicon-upload-area {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.favicon-preview {
  width: 64px;
  height: 64px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--card-radius, 0);
}

.favicon-preview img {
  width: 48px;
  height: 48px;
  border-radius: var(--card-radius, 0);
}

.favicon-placeholder-large {
  font-size: 12px;
  color: var(--footer-text);
}

.favicon-actions {
  flex: 1;
}

.favicon-actions .form-hint {
  margin-top: 8px;
}

/* ============================================================
 *  内联表单 (新增/编辑)
 * ============================================================ */
.inline-form {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
}

.form-input {
  padding: 8px 12px;
  border: 1px solid var(--input-border);
  font-size: 14px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  flex: 1;
  min-width: 120px;
  transition: border 0.2s;
  border-radius: var(--card-radius, 0);
}

.form-input:focus { border-color: var(--primary); }

textarea.form-input { resize: vertical; font-family: inherit; }

/* ============================================================
 *  数据表格
 * ============================================================ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border: 1px solid var(--border);
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--footer-text);
  background: var(--table-head);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--table-hover); }

.table-loading { text-align: center; color: var(--footer-text); padding: 30px 0 !important; }
.table-actions { display: flex; gap: 6px; }

/* ============================================================
 *  分类图标列
 * ============================================================ */

/* 分类图标列 */
.cat-icon-cell {
  text-align: center;
  font-size: 16px;
  color: var(--text);
}

/* 子分类行缩进 */
.subcategory-row td {
  padding-left: 32px !important;
}

.subcategory-row .cat-name-text::before {
  content: '└ ';
  color: var(--footer-text);
}

/* 分类展开/折叠箭头 */
.cat-toggle {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  font-size: 12px;
  color: var(--footer-text);
  flex-shrink: 0;
  transition: color 0.15s;
}
.cat-toggle:hover { color: var(--primary); }
.cat-toggle-spacer {
  display: inline-block;
  width: 16px;
  flex-shrink: 0;
}

/* 按钮内 FA 图标间距 */
button i, .side-nav-btn i, .header-link i, .back-link i,
.context-menu-item i, .btn-primary i, .btn-sm i, .btn-cancel i,
.btn-danger i, .btn-edit i, .btn-move i, .header-btn i {
  margin-right: 4px;
}

.login-title i {
  margin-right: 8px;
}

/* ============================================================
 *  弹窗对话框 (模态框)
 * ============================================================ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  width: 90%;
  max-width: 460px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  border-radius: var(--card-radius, 0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--header-text);
}

.modal-close {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--footer-text);
  cursor: pointer;
  padding: 0 4px;
}
.modal-close:hover { color: var(--text); }

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-field {
  margin-bottom: 16px;
}
.modal-field label {
  display: block;
  font-size: 13px;
  color: var(--footer-text);
  margin-bottom: 6px;
}
.modal-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border 0.2s;
  border-radius: var(--card-radius, 0);
}
.modal-input:focus { border-color: var(--primary); }

/* radio group (私人/公开) */
.radio-group {
  display: flex;
  gap: 20px;
  padding: 6px 0;
}
.radio-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
.radio-label input[type="radio"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--primary);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-btn {
  padding: 8px 20px;
  border: 1px solid var(--input-border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: var(--card-radius, 0);
}
.modal-btn-cancel:hover { border-color: var(--footer-text); }
.modal-btn-save {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.modal-btn-save:hover { background: var(--primary-hover); }

/* ============================================================
 *  图标选择器
 * ============================================================ */
.icon-picker-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-picker-preview {
  width: 40px;
  height: 40px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.2s;
}
.icon-picker-preview:hover { border-color: var(--primary); }

/* 顶部导航行内的图标选择按钮 (更紧凑，与输入框等高) */
.topnav-icon-btn {
  width: 36px;
  height: 36px;
  font-size: 15px;
  flex-shrink: 0;
  border-radius: 4px;
}

.icon-picker-wrapper .modal-input {
  flex: 1;
  cursor: pointer;
}

.icon-picker-box {
  max-width: 600px;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: 4px;
  max-height: 400px;
  overflow-y: auto;
  padding: 4px;
}

.icon-grid-item {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
}
.icon-grid-item:hover {
  background: var(--table-hover);
  border-color: var(--primary);
  color: var(--primary);
}
.icon-grid-item.selected {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ============================================================
 *  站点管理 — 分类标签切换 (旧版, 保留兼容)
 * ============================================================ */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.cat-tab {
  padding: 6px 14px;
  border: 1px solid var(--input-border);
  background: var(--card-bg);
  color: var(--footer-text);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.cat-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.cat-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.cat-tab-sub {
  font-size: 12px;
  padding: 4px 10px;
  opacity: 0.85;
}
.cat-tab-sub::before {
  content: '└ ';
  opacity: 0.6;
}

/* ============================================================
 *  站点管理 — 左右布局 (新版)
 * ============================================================ */
.sites-layout {
  display: flex;
  gap: 0;
  min-height: calc(100vh - 160px);
}

/* 左侧分类树 */
.sites-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border: 1px solid var(--border);
  overflow-y: auto;
  max-height: calc(100vh - 160px);
}

.sites-sidebar-header {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--footer-text);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.category-tree {
  padding: 4px 0;
}

.tree-loading {
  padding: 20px;
  text-align: center;
  color: var(--footer-text);
  font-size: 13px;
}

/* 分类树节点 */
.tree-node {
  user-select: none;
}

.tree-node-header {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background 0.15s;
  border-left: 3px solid transparent;
}

.tree-node-header:hover {
  background: var(--table-hover);
}

.tree-node-header.active {
  background: var(--sidebar-active-bg);
  border-left-color: var(--primary);
  color: var(--sidebar-active);
  font-weight: 600;
}

.tree-toggle {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--footer-text);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.tree-toggle.expanded {
  transform: rotate(90deg);
}

.tree-toggle-spacer {
  width: 20px;
  flex-shrink: 0;
}

.tree-icon {
  font-size: 14px;
  color: var(--footer-text);
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.tree-node-header.active .tree-icon {
  color: var(--sidebar-active);
}

.tree-label {
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-node-header.active .tree-label {
  color: var(--sidebar-active);
}

.tree-count {
  font-size: 11px;
  color: var(--footer-text);
  margin-left: auto;
  flex-shrink: 0;
}

.tree-node-header.active .tree-count {
  color: var(--sidebar-active);
  opacity: 0.7;
}

/* 子分类缩进 */
.tree-children {
  display: none;
}

.tree-children.expanded {
  display: block;
}

.tree-child-node .tree-node-header {
  padding-left: 36px;
}

.tree-child-node .tree-label {
  font-size: 12px;
}

/* 右侧站点列表 */
.sites-main {
  flex: 1;
  padding: 0 0 0 20px;
  min-width: 0;
}

/* 新增站点时自动选中当前分类 (提示) */
.sites-auto-category {
  font-size: 11px;
  color: var(--footer-text);
  margin-left: 8px;
}

/* ============================================================
 *  统一 select 下拉框样式 (去除原生外观，自定义箭头)
 * ============================================================ */
select.form-input,
select.modal-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 16px;
  padding-right: 32px;
  cursor: pointer;
}

/* 深色模式下下拉箭头颜色 */
body.dark-mode select.form-input,
body.dark-mode select.modal-input {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

select.form-input:focus,
select.modal-input:focus {
  border-color: var(--primary);
}

select.form-input option,
select.modal-input option {
  background: var(--input-bg);
  color: var(--text);
}

/* ============================================================
 *  Ping 检测区
 * ============================================================ */
.ping-info {
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--footer-text);
}

.ping-stats {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
}

.stat-item { font-size: 14px; font-weight: 600; padding: 6px 16px; }
.stat-item span { font-size: 16px; }
.stat-total { background: var(--table-head); color: var(--text); }
.stat-ok { background: var(--success-bg); color: var(--success); }
.stat-fail { background: var(--danger-bg); color: var(--danger); }

.stat-time { font-size: 13px; color: var(--footer-text); margin-left: auto; }

.ping-progress {
  padding: 30px;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  margin-bottom: 20px;
  color: var(--primary);
  font-size: 15px;
}

.fail-title { font-size: 16px; color: var(--danger); margin-bottom: 12px; margin-top: 24px; }
.all-title { font-size: 16px; color: var(--text); margin-bottom: 12px; margin-top: 32px; }

.fail-table td { background: var(--danger-bg) !important; }

.status-badge { display: inline-block; padding: 2px 10px; font-size: 12px; font-weight: 600; }
.status-ok { background: var(--success-bg); color: var(--success); }
.status-fail { background: var(--danger-bg); color: var(--danger); }

.url-cell {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--footer-text);
  font-size: 13px;
}

/* ============================================================
 *  提交管理徽章和状态
 * ============================================================ */
.badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--danger);
  color: white;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  margin-left: 6px;
  min-width: 20px;
  text-align: center;
}

.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.status-approved {
  background: var(--success-bg);
  color: var(--success);
}

.status-rejected {
  background: var(--danger-bg);
  color: var(--danger);
}

.status-pending {
  background: #fff3cd;
  color: #856404;
}

/* ============================================================
 *  移动端适配
 * ============================================================ */
@media (max-width: 768px) {
  .admin-header { padding: 0 12px; height: 48px; }
  .header-title { font-size: 14px; }
  .header-right { gap: 8px; }
  .header-link { display: none; }

  /* 左右布局在移动端变为上下布局 */
  .admin-layout { flex-direction: column; }

  .admin-sidebar {
    width: 100%;
    padding: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .side-nav { flex-direction: row; overflow-x: auto; }

  .side-nav-btn {
    padding: 10px 16px;
    border-left: none;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
  }

  .side-nav-btn.active {
    border-left: none;
    border-bottom-color: var(--primary);
  }

  .admin-content { padding: 12px; }

  .data-table { font-size: 13px; }
  .data-table th, .data-table td { padding: 8px 10px; }
  .url-cell { max-width: 150px; }

  .inline-form { flex-direction: column; align-items: stretch; }
  .form-input { width: 100%; }

  .panel-header h2 { font-size: 16px; }
  .ping-stats { flex-direction: column; align-items: flex-start; }
  .stat-time { margin-left: 0; }

  /* 设置表单在移动端纵向排列 */
  .form-row { flex-direction: column; gap: 6px; }
  .form-label { width: auto; padding-top: 0; }
  .form-control { width: 100%; }
}