/* ==========================================
   网址收藏工具 - 样式表
   ========================================== */

* { margin: 0; padding: 0; box-sizing: border-box; }

/* 防止 Vue 挂载前未编译模板（{{ }}）闪现 */
[v-cloak] { display: none !important; }

:root {
  --bg: #f5f6fa;
  --bg2: #f7f8fa;
  --card: #ffffff;
  --border: #e4e7ed;
  --text: #1a1a2e;
  --text2: #6b7280;
  --text3: #9ca3af;
  --primary: #4f46e5;
  --primary-light: #eef2ff;
  --primary-hover: #4338ca;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --success: #10b981;
  --warning: #f59e0b;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
}

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

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 18px; border: none; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; cursor: pointer; transition: all .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: .9; }
.btn-warning { background: #f59e0b; color: #fff; }
.btn-warning:hover { opacity: .9; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--text); font-size: 13px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 14px; color: var(--text);
  background: #fff; transition: border-color .15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,.1);
}
.form-textarea { resize: vertical; min-height: 70px; }
.form-hint { font-size: 12px; color: var(--text3); margin-top: 4px; }

/* ===== 登录/注册页（新版 · 分屏品牌布局） ===== */
.auth-wrapper {
  min-height: 100vh; display: flex; background: #f4f5f7;
}
/* 左侧品牌区 */
.auth-aside {
  flex: 1; position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 56px 56px 48px; color: #fff;
  background: linear-gradient(155deg, #4f46e5 0%, #4338ca 52%, #3730a3 100%);
}
.auth-aside::before, .auth-aside::after {
  content: ''; position: absolute; border-radius: 50%; opacity: .35; filter: blur(8px);
}
.auth-aside::before {
  width: 380px; height: 380px; top: -130px; right: -110px;
  background: radial-gradient(circle, rgba(129,140,248,.95), transparent 70%);
}
.auth-aside::after {
  width: 320px; height: 320px; bottom: -120px; left: -90px;
  background: radial-gradient(circle, rgba(99,102,241,.7), transparent 70%);
}
.auth-aside-brand { position: relative; z-index: 1; display: flex; align-items: center; gap: 12px; }
.auth-aside-logo { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.16); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.auth-aside-name { font-size: 18px; font-weight: 700; letter-spacing: .5px; }
.auth-aside-slogan { position: relative; z-index: 1; }
.auth-aside-slogan h2 { font-size: 30px; font-weight: 700; line-height: 1.4; margin-bottom: 16px; }
.auth-aside-slogan p { font-size: 15px; opacity: .85; line-height: 1.8; max-width: 430px; }
.auth-aside-feats { position: relative; z-index: 1; list-style: none; margin-top: 30px; }
.auth-aside-feats li { display: flex; align-items: center; gap: 12px; padding: 9px 0; font-size: 14px; opacity: .92; }
.auth-aside-feats .fi { width: 26px; height: 26px; border-radius: 8px; background: rgba(255,255,255,.16); display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; }
.auth-aside-foot { position: relative; z-index: 1; font-size: 12px; opacity: .7; }
/* 右侧表单区（与左侧品牌区各占一半） */
.auth-main { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px 48px; }
.auth-card {
  width: 100%; max-width: 360px; background: #fff; border-radius: 20px; padding: 40px 38px;
  box-shadow: 0 12px 48px rgba(17,24,39,.07); border: 1px solid rgba(17,24,39,.04);
}
.auth-logo { text-align: center; margin-bottom: 26px; }
.auth-logo-icon { width: 56px; height: 56px; margin: 0 auto 12px; background: var(--primary); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 28px; color: #fff; box-shadow: 0 8px 20px rgba(79,70,229,.25); }
.auth-title { font-size: 22px; font-weight: 700; text-align: center; margin-bottom: 6px; }
.auth-subtitle { font-size: 14px; color: var(--text2); text-align: center; margin-bottom: 26px; }
.auth-link { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text2); }
.auth-help-link { text-align: center; margin-top: 14px; font-size: 13px; }
.auth-help-link a { color: var(--text3); display: inline-flex; align-items: center; gap: 5px; }
.auth-help-link a:hover { color: var(--primary); text-decoration: none; }
.auth-error { background: var(--danger-light); color: var(--danger); padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 16px; }
/* 响应式：小屏隐藏品牌区 */
@media (max-width: 860px) {
  .auth-aside { display: none; }
  .auth-main { width: 100%; }
  .auth-wrapper { background: #f4f5f7; }
}

/* ===== 主界面布局 ===== */
.app { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar {
  width: 200px; background: #fff; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; flex-shrink: 0;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
}
.sidebar-header { padding: 14px 14px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 8px; }
.sidebar-logo { width: 32px; height: 32px; background: var(--primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; }
.sidebar-brand { font-size: 15px; font-weight: 600; }

.sidebar-section { padding: 12px 8px; flex: 1; overflow-y: auto; }
.sidebar-section-title { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--text3); padding: 8px 12px 4px; font-weight: 600; }

.nav-item { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: var(--radius-sm); cursor: pointer; color: var(--text); font-size: 14px; transition: all .12s; }
.nav-item:hover { background: var(--bg); }
.nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 500; }
.nav-item-count { margin-left: auto; font-size: 12px; color: var(--text3); background: var(--bg); padding: 1px 8px; border-radius: 10px; }
.nav-item.active .nav-item-count { background: #ddd6fe; color: var(--primary); }
.nav-item-icon { width: 18px; text-align: center; font-size: 15px; }
.nav-delete { opacity: 0; transition: opacity .15s; cursor: pointer; color: var(--text3); font-size: 14px; padding: 0 4px; }
.nav-item:hover .nav-delete { opacity: 1; }
.nav-delete:hover { color: var(--danger); }
.nav-item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===== 左侧导航树形（二级分类用连接线区分） ===== */
.nav-sub-item {
  position: relative;
  padding-left: 40px;
  font-size: 13.5px;
  color: var(--text2);
  cursor: pointer;
}
/* 竖直引导线 */
.nav-sub-item::before {
  content: '';
  position: absolute;
  left: 25px;
  top: 0;
  bottom: 50%;
  border-left: 1px solid var(--border);
}
/* 水平连接线 └ */
.nav-sub-item::after {
  content: '';
  position: absolute;
  left: 25px;
  top: 50%;
  width: 13px;
  border-top: 1px solid var(--border);
}
.nav-sub-item.active { color: var(--primary); background: var(--primary-light); }
.nav-sub-item:hover { background: var(--bg); }
.nav-sub-item.active .nav-item-count { background: #ddd6fe; color: var(--primary); }

/* 一级分类展开/收起箭头（可点击） */
.nav-expand-hint {
  font-size: 11px;
  color: var(--text3);
  margin-left: 4px;
  transition: transform .2s, background .12s, color .12s;
  user-select: none;
  cursor: pointer;
  padding: 1px 4px;
  border-radius: 4px;
}
.nav-expand-hint:hover { background: var(--bg); color: var(--text); }
.nav-item.active .nav-expand-hint { color: var(--primary); }
/* 子分类连接线文字 */
.nav-sub-line {
  position: absolute;
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--border);
}

/* ===== 主窗口：二级分类快速切换条 ===== */
.subcat-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}
/* 有视图切换按钮的栏保持左右分布 */
.subcat-bar:not(.subcat-bar--inline) {
  justify-content: space-between;
}
/* 二级分类快速切换条：左右分布（左侧chip + 右侧视图切换） */
.subcat-bar--inline {
  justify-content: space-between;
}
/* 左侧区域：纵向排列（第一行=一级chip行，下面=展开的二级分类行） */
.subcat-bar-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
/* 一级分类按钮行：纯 inline 流，自动换行 */
.subcat-chip-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.subcat-bar-label {
  font-size: 13px;
  color: var(--text3);
  flex-shrink: 0;
}
.subcat-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 15px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  line-height: 2;
  white-space: nowrap;
  cursor: pointer;
  transition: all .12s;
}
.subcat-chip:hover { border-color: var(--primary); color: var(--primary); }
.subcat-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.subcat-count {
  font-size: 14px;
  background: var(--bg);
  color: var(--text3);
  padding: 0 6px;
  border-radius: 8px;
}
.subcat-chip.active .subcat-count { background: rgba(255,255,255,.25); color: #fff; }

/* ===== 分类管理页 ===== */
.cat-manage-list { display: flex; flex-direction: column; gap: 18px; max-width: 860px; }
.cat-manage-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.cat-manage-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
}
.cat-manage-row-l2 {
  background: var(--bg2);
  padding-left: 38px;
  border-top: 1px solid var(--border);
}
.cat-manage-row-l2::before {
  content: '└';
  color: var(--text3);
  margin-right: 2px;
}
.cat-manage-badge {
  flex-shrink: 0;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}
.cat-manage-badge-l1 { background: var(--primary-light); color: var(--primary); }
.cat-manage-badge-l2 { background: #e5e7eb; color: var(--text2); }
.cat-manage-name { font-weight: 500; font-size: 14px; }
.cat-manage-count { font-size: 12px; color: var(--text3); }
.cat-manage-actions { margin-left: auto; display: flex; gap: 8px; }
/* 分类行排序按钮（▲▼ 上移/下移） */
.cat-manage-sort { display: inline-flex; flex-direction: column; gap: 2px; flex-shrink: 0; }
.cat-sort-btn {
  width: 22px; height: 16px; padding: 0;
  border: 1px solid var(--border); background: #fff;
  border-radius: 4px; cursor: pointer; font-size: 9px; line-height: 1;
  color: var(--text2); display: flex; align-items: center; justify-content: center;
  transition: all .12s;
}
.cat-sort-btn:hover:not(:disabled) { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }
.cat-sort-btn:disabled { opacity: .3; cursor: not-allowed; }
.form-hint { font-size: 12px; color: var(--text3); margin-top: 4px; }

.sidebar-footer { padding: 12px 16px; border-top: 1px solid var(--border); }
.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 500; flex-shrink: 0; }
.user-name { font-size: 13px; font-weight: 500; }
.user-email { font-size: 11px; color: var(--text3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 90px; }

/* 主内容区 */
.main { flex: 1; margin-left: 200px; display: flex; flex-direction: column; min-height: 100vh; }
.main-header { background: #fff; border-bottom: 1px solid var(--border); padding: 16px 24px; display: flex; align-items: center; gap: 16px; position: sticky; top: 0; z-index: 50; }
.main-header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; padding-right: 8px; }
.header-admin-link {
  display: flex; align-items: center; gap: 5px;
  padding: 8px 12px;
  border: none; border-radius: 0;
  background: transparent; color: var(--text2); font-size: 13px; cursor: pointer;
  transition: color .15s;
}
.header-admin-link:hover { color: var(--primary); }

/* 显示模式切换（卡片 / 列表） */
.view-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--bg); }
.view-toggle-btn {
  width: 34px; height: 34px; border: none; background: transparent; cursor: pointer;
  display: flex; align-items: center; justify-content: center; color: var(--text3);
  transition: all .15s;
}
.view-toggle-btn + .view-toggle-btn { border-left: 1px solid var(--border); }
.view-toggle-btn:hover { color: var(--primary); }
.view-toggle-btn.active { background: var(--primary); color: #fff; }
.search-box { flex: 1; max-width: 500px; position: relative; }
.search-box input { width: 100%; padding: 9px 12px 9px 36px; border: 1px solid var(--border); border-radius: 20px; font-size: 14px; background: var(--bg); }
.search-box input:focus { outline: none; border-color: var(--primary); background: #fff; }
.search-box .search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text3); font-size: 15px; }

.main-content { flex: 1; padding: 24px; }

/* ===== 书签卡片网格 ===== */
.bookmark-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.bookmark-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; transition: all .15s; cursor: pointer; position: relative;
}
.bookmark-card:hover { box-shadow: var(--shadow-lg); border-color: #d1d5db; transform: translateY(-1px); }
.bookmark-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bookmark-favicon { width: 24px; height: 24px; border-radius: 4px; flex-shrink: 0; background: var(--bg); }
.bookmark-title { font-weight: 500; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.bookmark-url { font-size: 12px; color: var(--text3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-bottom: 6px; }
.bookmark-desc { font-size: 13px; color: var(--text2); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bookmark-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.bookmark-date { font-size: 11px; color: var(--text3); }
.bookmark-actions { display: flex; gap: 4px; opacity: 0; transition: opacity .15s; }
.bookmark-card:hover .bookmark-actions { opacity: 1; }
.bookmark-action-btn { width: 28px; height: 28px; border: none; background: var(--bg); border-radius: 6px; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--text2); transition: all .12s; }
.bookmark-action-btn:hover { background: var(--primary-light); color: var(--primary); }
.bookmark-action-btn.danger:hover { background: var(--danger-light); color: var(--danger); }
.bookmark-action-btn.pin-active { background: #fef3c7; color: #d97706; }

/* 拖拽排序 */
.bookmark-card { cursor: grab; }
.bookmark-card:active { cursor: grabbing; }
.bookmark-card.is-pinned { border-color: #f59e0b; border-left: 3px solid #f59e0b; background: #fffdf5; }
.bookmark-card.is-dragging { opacity: .45; }

/* 列表模式 */
.bookmark-list { display: flex; flex-direction: column; gap: 8px; }
.bookmark-row {
  display: flex; align-items: center; gap: 12px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 14px; cursor: pointer; transition: all .15s;
}
.bookmark-row:hover { box-shadow: var(--shadow-lg); border-color: #d1d5db; }
.bookmark-row.is-pinned { border-color: #f59e0b; border-left: 3px solid #f59e0b; background: #fffdf5; }
.bookmark-row.is-dragging { opacity: .45; }
.bookmark-row .bookmark-favicon { width: 22px; height: 22px; }
.bookmark-row-main { flex: 1; min-width: 0; }
.bookmark-row-title { display: flex; align-items: center; gap: 6px; }
.bookmark-row .bookmark-url { margin-bottom: 2px; }
.bookmark-row .bookmark-desc { -webkit-line-clamp: 2; margin-top: 2px; }
.bookmark-row .bookmark-date { flex-shrink: 0; font-size: 11px; color: var(--text3); }
.bookmark-row .bookmark-actions { opacity: 0; }
.bookmark-row:hover .bookmark-actions { opacity: 1; }
.drag-handle {
  flex-shrink: 0; width: 16px; text-align: center; cursor: grab;
  color: var(--text3); font-size: 14px; user-select: none; line-height: 1;
}
.drag-handle:active { cursor: grabbing; }
.drag-handle:hover { color: var(--text2); }
.pin-badge { flex-shrink: 0; font-size: 13px; }

/* 全部书签页快速切换条：展开的二级分类独立行 */
.quick-children {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 5px 0 5px 72px;
  
}
.quick-caret { font-size: 10px; color: var(--text3); margin-left: 2px; }
.subcat-chip--child { font-size: 14px; padding:5px 15px; }

/* ===== 空状态 ===== */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text3); }
.empty-state-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state-text { font-size: 15px; margin-bottom: 8px; color: var(--text2); }
.empty-state-hint { font-size: 13px; }

/* ===== 模态框 ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 20px; }
.modal { background: #fff; border-radius: 14px; width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; border-bottom: 1px solid var(--border); }
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close { width: 32px; height: 32px; border: none; background: var(--bg); border-radius: 8px; cursor: pointer; font-size: 18px; color: var(--text2); display: flex; align-items: center; justify-content: center; }
.modal-close:hover { background: var(--danger-light); color: var(--danger); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

/* 嵌套弹窗：层级高于分类管理弹窗，避免被其遮挡 */
.modal-overlay--nested { z-index: 1100; }

/* ===== 全局确认弹窗（替代原生 confirm） ===== */
.confirm-overlay { z-index: 2100; }
.confirm-modal {
  max-width: 420px;
  padding: 28px 26px 22px;
  text-align: left;
  overflow: visible;
}
.confirm-icon {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}
.confirm-icon--danger { background: var(--danger-light); color: var(--danger); }
.confirm-icon--info { background: var(--primary-light); color: var(--primary); }
.confirm-title {
  text-align: center; font-size: 16px; font-weight: 600; color: var(--text);
  margin-bottom: 10px;
}
.confirm-message {
  font-size: 14px; line-height: 1.65; color: var(--text2);
  white-space: pre-line; margin-bottom: 22px;
}
.confirm-actions {
  display: flex; justify-content: flex-end; gap: 10px;
}
.confirm-modal--danger .confirm-title { color: var(--danger); }

/* ===== Toast 提示 ===== */
.toast { position: fixed; bottom: 24px; right: 24px; padding: 12px 20px; border-radius: var(--radius-sm); font-size: 14px; color: #fff; z-index: 2000; box-shadow: var(--shadow-lg); animation: slideIn .2s ease; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ===== 分页 ===== */
.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 24px; }
.pagination button { min-width: 36px; height: 36px; border: 1px solid var(--border); background: #fff; border-radius: var(--radius-sm); cursor: pointer; font-size: 14px; color: var(--text); }
.pagination button:hover { border-color: var(--primary); color: var(--primary); }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }

/* ===== 加载动画 ===== */
.loading { text-align: center; padding: 40px; color: var(--text3); }
.spinner { width: 32px; height: 32px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin .6s linear infinite; margin: 0 auto 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 分类标签 ===== */
.category-tag { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; background: var(--primary-light); color: var(--primary); border-radius: 10px; font-size: 11px; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .bookmark-grid { grid-template-columns: 1fr; }
  .main-content { padding: 16px; }
}

/* ===== 帮助弹窗 ===== */
.help-tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.help-tab {
  padding: 10px 18px; font-size: 14px; font-weight: 500; color: var(--text2);
  cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: all .15s;
}
.help-tab:hover { color: var(--primary); }
.help-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.help-content { font-size: 14px; line-height: 1.7; color: var(--text1); }
.help-section-title {
  font-size: 15px; font-weight: 600; color: var(--text1);
  margin: 20px 0 10px; padding-bottom: 6px;
  border-bottom: 1px solid var(--bg2);
}
.help-section-title:first-child { margin-top: 0; }
.help-text { color: var(--text2); margin-bottom: 16px; }

.help-steps { background: var(--bg); border-radius: 8px; padding: 4px 12px; margin-bottom: 12px; }
.help-step {
  display: flex; align-items: flex-start; gap: 10px; padding: 8px 0;
  font-size: 13.5px; color: var(--text2); line-height: 1.6;
}
.help-step-num {
  width: 22px; height: 22px; min-width: 22px; border-radius: 50%;
  background: var(--primary); color: #fff; font-size: 12px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; margin-top: 2px;
}
.help-step code {
  background: rgba(79,70,229,.08); color: var(--primary);
  padding: 1px 5px; border-radius: 4px; font-size: 12.5px;
}
.help-tip {
  font-size: 13px; color: var(--text3); padding: 8px 12px;
  background: #fffbeb; border-left: 3px solid #f59e0b; border-radius: 0 6px 6px 0;
  margin-bottom: 16px;
}

.help-download-area {
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 8px;
}

.help-table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
.help-table th, .help-table td {
  padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border);
  font-size: 13.5px;
}
.help-table th { background: var(--bg); font-weight: 600; color: var(--text1); }
.help-table td { color: var(--text2); }

.help-ol { padding-left: 20px; margin-bottom: 16px; }
.help-ol li { padding: 4px 0; color: var(--text2); font-size: 13.5px; }

.help-faq-item { margin-bottom: 14px; padding: 12px; background: var(--bg); border-radius: 8px; }
.help-faq-q { font-weight: 600; font-size: 13.5px; color: var(--text1); margin-bottom: 4px; }
.help-faq-a { font-size: 13.5px; color: var(--text2); line-height: 1.6; }
.help-faq-a code {
  background: rgba(79,70,229,.08); color: var(--primary);
  padding: 1px 5px; border-radius: 4px; font-size: 12.5px;
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.justify-between { justify-content: space-between; }
.hidden { display: none; }

/* ===== 管理后台 ===== */
.admin-header-left { display: flex; align-items: center; gap: 12px; }
.admin-header-left h2 { margin: 0; }

.admin-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 16px;
}
.admin-card-title { font-size: 15px; font-weight: 600; margin-bottom: 16px; }

.admin-setting-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.admin-setting-row:last-child { border-bottom: none; }
.admin-setting-label { font-size: 14px; font-weight: 500; }
.admin-setting-desc { font-size: 12px; color: var(--text3); margin-top: 2px; }

/* Toggle switch */
.toggle-switch { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: #ccc; border-radius: 24px; transition: .3s;
}
.toggle-slider:before {
  content: ''; position: absolute; height: 18px; width: 18px;
  left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: .3s;
}
.toggle-switch input:checked + .toggle-slider { background: var(--primary); }
.toggle-switch input:checked + .toggle-slider:before { transform: translateX(20px); }

/* Stats grid */
.admin-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 16px; }
.admin-stat-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; text-align: center;
}
.admin-stat-value { font-size: 28px; font-weight: 700; color: var(--primary); }
.admin-stat-label { font-size: 13px; color: var(--text3); margin-top: 4px; }

/* Badge */
.admin-badge {
  padding: 3px 10px; border-radius: 10px; font-size: 12px; font-weight: 500;
  background: #d1fae5; color: #059669;
}
.admin-badge.badge-warn { background: #fef3c7; color: #d97706; }

/* Table */
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  text-align: left; padding: 10px 12px; font-size: 12px; font-weight: 600;
  color: var(--text3); text-transform: uppercase; letter-spacing: .3px;
  border-bottom: 2px solid var(--border);
}
.admin-table td { padding: 12px; font-size: 14px; border-bottom: 1px solid var(--border); }
.admin-table tr:hover td { background: var(--bg); }

.admin-user-cell { display: flex; align-items: center; gap: 8px; }
.admin-user-avatar {
  width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 500; flex-shrink: 0;
}
.admin-user-email { color: var(--text2); font-size: 13px; }
.admin-user-date { color: var(--text3); font-size: 12px; }

.admin-user-actions { display: flex; align-items: center; gap: 6px; }
.admin-role-select {
  padding: 4px 8px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 12px; background: #fff; cursor: pointer;
}

.admin-role-badge {
  padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 500; white-space: nowrap;
}
.role-super_admin { background: #ede9fe; color: #6d28d9; }
.role-admin { background: #dbeafe; color: #2563eb; }
.role-user { background: #f3f4f6; color: #6b7280; }

.admin-link { color: var(--primary); cursor: pointer; font-weight: 500; }
.admin-link:hover { text-decoration: underline; }

.admin-search-box input { width: 100%; }

/* Viewed bookmark item */
.viewed-bookmark-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 24px;
  border-bottom: 1px solid var(--border); cursor: pointer; transition: background .12s;
}
.viewed-bookmark-item:hover { background: var(--bg); }
.viewed-bookmark-item:last-child { border-bottom: none; }

/* Admin responsive */
@media (max-width: 768px) {
  .admin-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-table { font-size: 13px; }
  .admin-table th, .admin-table td { padding: 8px 6px; }
  .admin-user-actions { flex-wrap: wrap; }
  .admin-search-box input { width: 100%; }
}