/* ================================================
   管理后台 — 重构样式
   设计方向: 温暖深色侧栏 + 柔和暖白主区 + 精致组件
   ================================================ */

/* ---------- 设计令牌 ---------- */
.admin-body {
  /* 主色 */
  --accent: #d97757;
  --accent-hover: #c8684a;
  --accent-soft: rgba(217, 119, 87, 0.10);
  --accent-ring: rgba(217, 119, 87, 0.35);

  /* 中性色 — 暖灰系 */
  --bg: #f7f5f2;
  --bg-elevated: #ffffff;
  --bg-subtle: #f0ede8;
  --bg-hover: #faf8f5;

  /* 侧栏 */
  --nav-bg: #1c1a17;
  --nav-bg-hover: rgba(255, 255, 255, 0.06);
  --nav-bg-active: rgba(217, 119, 87, 0.15);
  --nav-text: #a8a39b;
  --nav-text-active: #fff;
  --nav-text-hover: #e8e4dc;
  --nav-border: rgba(255, 255, 255, 0.06);

  /* 文字 */
  --text: #2d2a26;
  --text-secondary: #6b6660;
  --text-tertiary: #9a948c;
  --text-on-accent: #fff;

  /* 边框 */
  --border: #e4e0d9;
  --border-light: #efece6;
  --border-focus: var(--accent);

  /* 状态色 */
  --green: #4a9b6f;
  --green-soft: rgba(74, 155, 111, 0.10);
  --red: #d4453a;
  --red-soft: rgba(212, 69, 58, 0.10);
  --blue: #3b7dd8;
  --blue-soft: rgba(59, 125, 216, 0.10);
  --yellow: #c69536;
  --yellow-soft: rgba(198, 149, 54, 0.12);

  /* 阴影 — 暖色调着色 */
  --shadow-sm: 0 1px 2px rgba(45, 42, 38, 0.04), 0 1px 3px rgba(45, 42, 38, 0.06);
  --shadow-md: 0 2px 8px rgba(45, 42, 38, 0.06), 0 1px 3px rgba(45, 42, 38, 0.04);
  --shadow-lg: 0 8px 24px rgba(45, 42, 38, 0.10), 0 2px 6px rgba(45, 42, 38, 0.05);
  --shadow-accent: 0 4px 14px rgba(217, 119, 87, 0.25);

  /* 圆角 */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;

  /* 过渡 */
  --t-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-normal: 220ms cubic-bezier(0.4, 0, 0.2, 1);

  background: var(--bg);
  color: var(--text);
  overflow: auto;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- 布局骨架 ---------- */
.admin-shell {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
}

/* ---------- 侧栏 ---------- */
.admin-nav {
  width: 232px;
  flex-shrink: 0;
  background: var(--nav-bg);
  display: flex;
  flex-direction: column;
  padding: 0 12px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
  border-right: 1px solid var(--nav-border);
}
.admin-nav::-webkit-scrollbar { width: 4px; }
.admin-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.admin-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  padding: 22px 12px 20px;
  color: #fff;
  letter-spacing: -0.01em;
}
.admin-brand svg { flex-shrink: 0; color: var(--accent); }

.nav-section {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.3);
  padding: 16px 12px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  margin-bottom: 2px;
  border: none;
  background: none;
  color: var(--nav-text);
  font-size: 13.5px;
  font-weight: 500;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast);
  cursor: pointer;
  position: relative;
}
.nav-item svg {
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--t-fast);
}
.nav-item:hover {
  background: var(--nav-bg-hover);
  color: var(--nav-text-hover);
}
.nav-item:hover svg { opacity: 1; }
.nav-item.active {
  background: var(--nav-bg-active);
  color: var(--nav-text-active);
  font-weight: 600;
}
.nav-item.active svg { opacity: 1; color: var(--accent); }
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}
.nav-gap { flex: 1; }

/* ---------- 主区域 ---------- */
.admin-main {
  flex: 1;
  padding: 32px 40px 48px;
  min-width: 0;
  max-width: 1400px;
}

.page { animation: pageIn 280ms cubic-bezier(0.4, 0, 0.2, 1); }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.page-subtitle {
  font-size: 13.5px;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}
.page h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

/* ---------- 数据概览卡片 ---------- */
.pcard {
  margin: 20px 0;
  padding: 20px;
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  background: var(--bg-elevated);
}
.pcard h3 { margin-bottom: 8px; }
.dashboard-ranking { margin-top: 24px; }
.finance-reconciliation {
  margin: 20px 0;
  padding: 20px;
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  background: var(--bg-elevated);
}
.finance-ledger-panel {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}
.finance-ledger-panel h4 {
  margin: 0;
  color: var(--text);
  font-size: 15px;
}
.finance-ledger-pagination,
.audit-pagination {
  justify-content: flex-end;
  color: var(--text-secondary);
  font-size: 13px;
}
.dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.dash-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  transition: box-shadow var(--t-normal), transform var(--t-normal), border-color var(--t-normal);
  position: relative;
  overflow: hidden;
}
.dash-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--t-normal);
}
.dash-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--border);
}
.dash-card:hover::before { opacity: 1; }

.dash-icon {
  width: 36px; height: 36px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 14px;
}
.dash-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.dash-label {
  font-size: 12.5px;
  color: var(--text-tertiary);
  margin-top: 6px;
  font-weight: 500;
}

/* ---------- 工具栏 ---------- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0;
  flex-wrap: wrap;
}
.toolbar label {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}
.toolbar input,
.toolbar select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elevated);
  font-size: 13px;
  color: var(--text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.toolbar input:focus,
.toolbar select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.toolbar input[type=number] { width: 90px; }
#user-search { width: 240px; }
.tip-inline { font-size: 12px; color: var(--text-tertiary); }

/* ---------- 表格 ---------- */
.table-wrap {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.table-scroll {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}
.table-scroll:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}
th {
  background: var(--bg-subtle);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  position: sticky;
  top: 0;
  z-index: 1;
}
tbody tr {
  transition: background var(--t-fast);
}
tbody tr:hover td { background: var(--bg-hover); }
tbody tr:last-child td { border-bottom: none; }
td .mono { font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace; font-size: 12px; }

/* ---------- 按钮系统 ---------- */
.primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--r-md);
  background: var(--accent);
  color: var(--text-on-accent);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-normal);
  box-shadow: var(--shadow-accent);
}
.primary-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.primary-btn:active {
  transform: translateY(0) scale(0.98);
}
.primary-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
}
.secondary-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.secondary-btn:active { transform: scale(0.98); }

/* 表格内迷你按钮 */
.mini-btn {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 500;
  margin-right: 4px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
}
.mini-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.mini-btn:active { transform: scale(0.96); }
.mini-btn.danger { color: var(--text-secondary); }
.mini-btn.danger:hover {
  border-color: var(--red);
  color: var(--red);
  background: var(--red-soft);
}

/* 添加模型按钮 */
.add-model-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--r-md);
  border: 1px dashed var(--border);
  background: transparent;
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
  margin-top: 8px;
}
.add-model-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* 模型编辑器操作区 */
.model-editor-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.fetch-model-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
}
.fetch-model-btn:hover {
  background: var(--accent);
  color: #fff;
}
.fetch-model-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 获取模型模态框 */
.fetch-summary {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.6;
}
.fetch-summary strong {
  color: var(--accent);
  font-weight: 600;
}
.fetch-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.fetch-toolbar .secondary-btn {
  padding: 5px 12px;
  font-size: 12px;
}
.fetch-list {
  max-height: 360px;
  overflow-y: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 6px;
  background: var(--bg-elevated);
}
.fetch-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--t-fast);
  font-size: 13px;
}
.fetch-item:hover {
  background: var(--bg-hover);
}
.fetch-item input[type=checkbox] {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.fetch-item-id {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
  word-break: break-all;
  flex: 1;
  min-width: 0;
}
.fetch-item-skin,
.fetch-item-type {
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 11.5px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--t-fast);
}
.fetch-item-skin:hover,
.fetch-item-type:hover { border-color: var(--accent); }
.fetch-item-skin:focus,
.fetch-item-type:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--accent-ring);
}
.fetch-item-dup {
  opacity: 0.5;
  cursor: default;
}
.fetch-item-dup:hover {
  background: transparent;
}
.fetch-item-tag {
  font-size: 11px;
  color: var(--text-tertiary);
  background: var(--bg-subtle);
  padding: 2px 7px;
  border-radius: 10px;
  white-space: nowrap;
}

/* ---------- 徽章 ---------- */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-admin { background: var(--accent-soft); color: var(--accent); }
.badge-agent { background: var(--blue-soft); color: var(--blue); }
.badge-user { background: var(--bg-subtle); color: var(--text-tertiary); }
.badge-unused { background: var(--green-soft); color: var(--green); }
.badge-used { background: var(--bg-subtle); color: var(--text-tertiary); }
.badge-void { background: var(--red-soft); color: var(--red); }
.badge-off { background: var(--red-soft); color: var(--red); }

/* ---------- 卡密生成区 ---------- */
.card-gen {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
#gen-result {
  width: 100%;
  margin-top: 12px;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 12.5px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-subtle);
  color: var(--text);
  line-height: 1.6;
  resize: vertical;
}

/* ---------- 表单 / 配置 ---------- */
fieldset {
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  margin-bottom: 16px;
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}
legend {
  font-size: 13px;
  font-weight: 600;
  padding: 0 8px;
  color: var(--text);
}
.page label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.page label input:not([type=checkbox]),
.page label select:not([type=checkbox]) {
  display: block;
  width: 100%;
  max-width: 520px;
  margin-top: 6px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 14px;
  background: var(--bg-elevated);
  color: var(--text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.page label input:focus,
.page label select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.check-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.check-label input[type=checkbox] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}
.native-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
}
.hint-block {
  display: block;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 5px;
  line-height: 1.5;
}

/* ---------- 模型编辑器 ---------- */
.model-card {
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 14px 14px 8px;
  margin-bottom: 10px;
  background: var(--bg-hover);
  transition: border-color var(--t-fast);
}
.model-card:hover { border-color: var(--border); }
.model-row {
  display: grid;
  grid-template-columns: 1.25fr .9fr .9fr .9fr 1.45fr 30px;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}
.model-row input,
.model-row select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 12.5px;
  min-width: 0;
  background: var(--bg-elevated);
  color: var(--text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.model-row input:focus,
.model-row select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--accent-ring);
}
.me-del {
  border: none;
  background: none;
  color: var(--text-tertiary);
  font-size: 16px;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.me-del:hover {
  color: var(--red);
  background: var(--red-soft);
}
.model-billing-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 2px 0 8px;
}
.model-billing-row select,
.model-billing-row input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 12.5px;
  background: var(--bg-elevated);
  color: var(--text);
  transition: border-color var(--t-fast);
}
.model-billing-row select:focus,
.model-billing-row input:focus {
  outline: none;
  border-color: var(--border-focus);
}
.model-billing-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-secondary);
  margin: 0;
  white-space: nowrap;
}
.model-billing-row input { width: 76px; }
.model-billing-row label input {
  display: inline-block !important;
  width: 76px !important;
  margin-top: 0 !important;
}
.model-quota-label {
  margin-left: auto !important;
}
.model-quota-label select {
  min-width: 112px;
}

/* ---------- 模型限免配置 ---------- */
.model-free-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 8px 12px;
  margin-top: 6px;
  background: var(--bg-subtle);
  border: 1px dashed var(--border);
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
}
.model-card.is-free-active {
  border-color: rgba(74, 155, 111, 0.45);
}
.model-card.is-free-active .model-free-row {
  background: var(--green-soft);
  border-style: solid;
  border-color: rgba(74, 155, 111, 0.35);
}
.me-free-toggle-wrap {
  display: inline-flex;
  align-items: center;
}
.me-free-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast);
  user-select: none;
}
.me-free-btn:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-soft);
}
.me-free-btn.active {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
  box-shadow: 0 1px 3px rgba(74, 155, 111, 0.3);
}
.me-free-details {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.me-free-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
}
.me-free-expires {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 12px;
  background: var(--bg-elevated);
  color: var(--text);
  min-width: 175px;
}
.me-free-expires:focus {
  outline: none;
  border-color: var(--border-focus);
}
.me-free-shortcuts {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.me-free-quick-btn,
.me-free-clear-btn {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  font-size: 11.5px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
}
.me-free-quick-btn:hover,
.me-free-clear-btn:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-soft);
}
.me-free-status-badge {
  display: inline-flex;
  align-items: center;
  font-size: 11.5px;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.me-free-status-active {
  background: rgba(74, 155, 111, 0.15);
  color: var(--green);
  font-weight: 500;
}
.me-free-status-expired {
  background: rgba(212, 69, 58, 0.12);
  color: var(--red);
  font-weight: 500;
}
.me-free-status-inactive {
  background: transparent;
  color: var(--text-tertiary);
}

/* ---------- 状态指示 ---------- */
#api-status, #site-status {
  font-size: 13px;
  font-weight: 500;
  color: var(--green);
  transition: opacity var(--t-normal);
}
.tip {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}
.tip-muted { opacity: 0.8; }

/* ---------- Toast 通知 ---------- */
.admin-toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.admin-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--r-md);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  min-width: 280px;
  max-width: 420px;
  pointer-events: auto;
  animation: toastIn 280ms cubic-bezier(0.4, 0, 0.2, 1);
}
.admin-toast.toast-out { animation: toastOut 200ms forwards; }
.admin-toast.success { border-left: 3px solid var(--green); }
.admin-toast.error { border-left: 3px solid var(--red); }
.admin-toast.info { border-left: 3px solid var(--blue); }
.admin-toast svg { flex-shrink: 0; }
.admin-toast.success svg { color: var(--green); }
.admin-toast.error svg { color: var(--red); }
.admin-toast.info svg { color: var(--blue); }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(40px); }
}

/* ---------- 模态框 ---------- */
.admin-modal-layer {
  position: fixed;
  inset: 0;
  background: rgba(28, 26, 23, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: layerIn 200ms ease;
}
@keyframes layerIn { from { opacity: 0; } to { opacity: 1; } }
.admin-modal {
  background: var(--bg-elevated);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 460px;
  overflow: hidden;
  animation: modalIn 280ms cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.admin-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
}
.admin-modal-header h2 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.admin-modal-close {
  border: none;
  background: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--r-sm);
  display: flex;
  transition: all var(--t-fast);
}
.admin-modal-close:hover {
  color: var(--text);
  background: var(--bg-subtle);
}
.admin-modal-body {
  padding: 16px 24px 8px;
  max-height: 60vh;
  overflow-y: auto;
}
.admin-modal-body p {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.5;
}
.admin-modal-body label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.admin-modal-body input,
.admin-modal-body select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 14px;
  background: var(--bg-elevated);
  color: var(--text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.admin-modal-body input:focus,
.admin-modal-body select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.admin-modal-body .check-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.admin-modal-body .check-label input[type=checkbox] {
  width: 16px;
  height: 16px;
  margin-top: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.admin-modal-body .field-hidden {
  display: none !important;
}
.admin-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 24px 20px;
}
.admin-modal-error {
  font-size: 12.5px;
  color: var(--red);
  margin-right: auto;
  font-weight: 500;
}

/* ---------- 加载骨架 ---------- */
.skeleton-bar {
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--bg-subtle) 25%, var(--bg-hover) 50%, var(--bg-subtle) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .admin-main { padding: 24px; }
  .native-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .admin-nav {
    width: 56px;
    padding: 0 6px 16px;
  }
  .admin-brand { font-size: 0; padding: 18px 0 16px; justify-content: center; }
  .admin-brand svg { font-size: initial; }
  .nav-item { justify-content: center; padding: 10px; }
  .nav-item span,
  .nav-section { display: none; }
  .nav-item.active::before { display: none; }
  .admin-main { padding: 16px; }
  .dash-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .dash-card { padding: 14px; }
  .dash-num { font-size: 22px; }
  .model-row { grid-template-columns: 1fr 1fr; }
  .model-row .me-model { grid-column: span 2; }
  .fetch-list { max-height: 280px; }
  .table-scroll table { min-width: 720px; }
}

/* ---------- 键盘与触屏可用性 ---------- */
:where(a, button, input, textarea, select, summary):focus-visible {
  outline: 2px solid #fff !important;
  outline-offset: 2px;
  box-shadow: 0 0 0 6px #0b3d91 !important;
}

@media (hover: none), (pointer: coarse) {
  .nav-item,
  .primary-btn,
  .secondary-btn,
  .admin-modal-close {
    min-height: 44px;
  }
  .admin-modal-close { min-width: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

/* ---------- 数据区域状态与局部重试 ---------- */
.record-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 10px 12px;
  color: var(--text-tertiary);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}
.record-state.error { color: var(--red); }
.record-state:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}
.record-focus-target:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}
.retry-btn {
  flex: 0 0 auto;
  border: 1px solid currentColor;
  border-radius: var(--r-sm);
  padding: 5px 10px;
  background: var(--bg-elevated);
  color: inherit;
  font: inherit;
  cursor: pointer;
}
.retry-btn:hover:not(:disabled) { background: var(--bg-hover); }
.retry-btn:disabled { cursor: wait; opacity: .65; }
.retry-btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
.config-load-state { margin-bottom: 12px; }
.site-nav-tabs {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}
.site-tab-btn {
  padding: 6px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--fg);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s ease;
}
.site-tab-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-focus);
}
.site-tab-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.claude-subscription-settings {
  border-color: rgba(217, 119, 6, 0.4);
}
.claude-subscription-settings legend {
  color: #d97706;
}
.claude-edit-card {
  border-color: rgba(217, 119, 6, 0.35);
  background: rgba(217, 119, 6, 0.02);
}
.claude-edit-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(100px, 1fr));
  gap: 10px;
}
@media (max-width: 900px) {
  .claude-edit-grid { grid-template-columns: repeat(3, minmax(90px, 1fr)); }
}
@media (max-width: 560px) {
  .claude-edit-grid { grid-template-columns: repeat(2, minmax(90px, 1fr)); }
}
.points-edit-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(100px, 1fr));
  gap: 10px;
}
@media (max-width: 900px) {
  .points-edit-grid { grid-template-columns: repeat(3, minmax(90px, 1fr)); }
}
@media (max-width: 560px) {
  .points-edit-grid { grid-template-columns: repeat(2, minmax(90px, 1fr)); }
}
.subscription-settings { margin-top: 18px; }
.subscription-edit-card {
  margin-top: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elevated);
}
.subscription-edit-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.subscription-edit-grid { display: grid; grid-template-columns: repeat(6, minmax(90px, 1fr)); gap: 10px; }
.subscription-edit-card label { margin-top: 8px; }
.subscription-edit-card input { width: 100%; }
.subscription-admin-summary { margin-top: 16px; padding: 14px; border: 1px solid var(--border-light); border-radius: var(--r-md); background: var(--bg); }
.subscription-admin-summary-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; }
.subscription-admin-package-grid { display: grid; grid-template-columns: repeat(4, minmax(160px, 1fr)); gap: 10px; }
.subscription-admin-package-card { min-width: 0; padding: 12px; border: 1px solid var(--border-light); border-radius: var(--r-md); background: var(--bg-elevated); }
.subscription-admin-package-card.is-disabled { opacity: .62; }
.subscription-admin-package-title { display: flex; flex-direction: column; gap: 4px; }
.subscription-admin-package-title span, .subscription-admin-package-quotas, .subscription-admin-package-description { color: var(--text-secondary); font-size: 12px; }
.subscription-admin-package-quotas { margin: 10px 0 6px; color: var(--fg); }
.subscription-admin-package-description { min-height: 34px; margin-bottom: 10px; }
@media (max-width: 1100px) { .subscription-admin-package-grid { grid-template-columns: repeat(2, minmax(160px, 1fr)); } }
@media (max-width: 900px) { .subscription-edit-grid { grid-template-columns: repeat(3, minmax(90px, 1fr)); } }
@media (max-width: 560px) { .subscription-edit-grid, .subscription-admin-package-grid { grid-template-columns: repeat(2, minmax(90px, 1fr)); } }
@media (hover: none), (pointer: coarse) {
  .retry-btn { min-width: 44px; min-height: 44px; }
}

:where(.toolbar input, .page input, .page select, .page textarea, .model-row input,
.model-row select, .model-billing-row input, .admin-modal-body input,
.admin-modal-body select, .record-state, .record-focus-target, .retry-btn,
.table-scroll):focus-visible {
  outline: 2px solid #fff !important;
  outline-offset: 2px;
  box-shadow: 0 0 0 6px #0b3d91 !important;
}

.admin-modal-body input:focus-visible,
.admin-modal-body select:focus-visible {
  outline: none !important;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-ring) !important;
}

/* 输入框聚焦时不使用全局双线焦点环,由各组件 :focus 提供 border 聚焦样式 */
:where(input, textarea, select):focus-visible {
  outline: none !important;
  border-color: var(--border-focus) !important;
  box-shadow: 0 0 0 3px var(--accent-ring) !important;
}

@media (forced-colors: active) {
  body, .admin-shell, .admin-nav, .admin-main, .dash-card, .table-wrap, .table-scroll,
  table, th, td, .admin-modal, .record-state { background: Canvas; color: CanvasText; border-color: CanvasText; }
  :where(.toolbar input, .page input, .page select, .admin-modal-body input, .admin-modal-body select,
  button, .primary-btn, .secondary-btn, .mini-btn, .retry-btn) { background: ButtonFace; color: ButtonText; border-color: ButtonText; }
  :where(.nav-item.active, .nav-item[aria-current="page"]) { background: Highlight; color: HighlightText; border: 2px solid HighlightText; }
  :where(.tip-muted, .record-state:not(.error)) { color: CanvasText; opacity: 1; }
  :where(input::placeholder, textarea::placeholder) { color: GrayText; }
  :where(a, button, input, textarea, select, summary, .table-scroll, .record-state, .record-focus-target):focus-visible { outline: 2px solid Highlight !important; outline-offset: 2px; box-shadow: none !important; }
  .table-scroll:focus-visible { outline: 3px solid Highlight; outline-offset: -2px; }
  :where(.toolbar input, .page input, .page select, .page textarea, .model-row input,
  .model-row select, .model-billing-row input, .admin-modal-body input,
  .admin-modal-body select, .record-state, .record-focus-target, .retry-btn,
  .table-scroll):focus-visible { outline: 2px solid Highlight !important; outline-offset: 2px; box-shadow: none !important; }
  :where(input, textarea, select):focus-visible { outline: none !important; box-shadow: none !important; border-color: Highlight !important; }
  .admin-modal-layer { background: Canvas; }
  .admin-toast { background: Canvas; color: CanvasText; border: 2px solid CanvasText; }
  .admin-toast.success { border-color: Highlight; }
  .admin-toast.error, .admin-modal-error, .record-state.error { color: CanvasText; border: 2px solid CanvasText; }
  .skeleton-bar { background: GrayText; }
  .retry-btn:disabled { color: GrayText; border-color: GrayText; }
}

@media (prefers-contrast: more) {
  .admin-body { --text-tertiary: color-mix(in srgb, var(--text) 82%, transparent); --border: color-mix(in srgb, var(--text) 60%, transparent); }
  :where(.tip-muted, .record-state, .admin-modal-body p) { color: var(--text, #2d2a26); opacity: 1; }
  :where(.dash-card, .table-wrap, .table-scroll, th, td, input, textarea, select, .admin-modal, .retry-btn) { border-color: currentColor; }
  :where(.nav-item.active, .nav-item[aria-current="page"]) { border: 2px solid currentColor; font-weight: 700; }
  :where(a, button, input, textarea, select, summary, .table-scroll, .record-state, .record-focus-target):focus-visible { outline: 2px solid #fff !important; outline-offset: 2px; box-shadow: 0 0 0 6px #0b3d91 !important; }
  :where(.toolbar input, .page input, .page select, .page textarea, .model-row input,
  .model-row select, .model-billing-row input, .admin-modal-body input,
  .admin-modal-body select, .record-state, .record-focus-target, .retry-btn,
  .table-scroll):focus-visible { outline: 2px solid #fff !important; outline-offset: 2px; box-shadow: 0 0 0 6px #0b3d91 !important; }
  :where(input, textarea, select):focus-visible { outline: none !important; box-shadow: none !important; border-color: Highlight !important; }
}


/* ---------- 弹窗尺寸增强 ---------- */
.admin-modal.admin-modal-large {
  max-width: 820px;
}

/* ---------- 对话查看专用样式 ---------- */
.chat-filter-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 16px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.chat-filter-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.filter-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.filter-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  min-width: 60px;
  text-align: right;
}
.filter-date-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.filter-separator {
  font-size: 13px;
  color: var(--text-tertiary);
}
.chat-date-input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
  font-size: 13px;
  color: var(--text);
  min-width: 170px;
}
.chat-date-input:focus,
.chat-input-user:focus,
.chat-input-keyword:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.filter-quick-dates {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 6px;
}
.quick-date-btn {
  padding: 5px 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border-radius: var(--r-md);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--t-fast);
}
.quick-date-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-focus);
}
.quick-date-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.chat-input-user {
  width: 140px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
  font-size: 13px;
  color: var(--text);
}
.chat-input-keyword {
  width: 260px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
  font-size: 13px;
  color: var(--text);
}
.chat-filter-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.chat-content-cell {
  max-width: 650px;
  line-height: 1.6;
  font-size: 13px;
  color: var(--text);
  word-break: break-word;
}
.chat-content-text {
  display: inline;
}
.chat-view-link {
  color: var(--accent);
  margin-left: 8px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
}
.chat-view-link:hover {
  text-decoration: underline;
}
.chat-detail-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 65vh;
  overflow-y: auto;
  padding-right: 4px;
}
.chat-detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  background: var(--bg-subtle);
  padding: 12px 16px;
  border-radius: var(--r-md);
  font-size: 12.5px;
}
.chat-detail-meta-item {
  display: flex;
  gap: 6px;
}
.chat-detail-meta-label {
  color: var(--text-tertiary);
}
.chat-detail-meta-value {
  color: var(--text);
  font-weight: 500;
}
.chat-detail-bubble {
  border-radius: var(--r-md);
  padding: 14px 16px;
  line-height: 1.65;
  font-size: 13.5px;
  border: 1px solid var(--border-light);
}
.chat-detail-bubble.user-bubble {
  background: var(--bg-hover);
  border-left: 4px solid var(--accent);
}
.chat-detail-bubble.assistant-bubble {
  background: var(--bg);
  border-left: 4px solid #10b981;
}
.chat-detail-role-title {
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chat-detail-role-title.user-title {
  color: var(--accent);
}
.chat-detail-role-title.assistant-title {
  color: #10b981;
}
.chat-detail-text {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
  font-size: 13px;
  line-height: 1.6;
}
.chat-media-preview {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.chat-media-thumb {
  max-width: 120px;
  max-height: 120px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  cursor: pointer;
  object-fit: cover;
}
.chat-context-details {
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
  padding: 10px 14px;
  font-size: 12.5px;
  background: var(--bg-hover);
}
.chat-context-summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--text-secondary);
  user-select: none;
}
.chat-context-stream {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 260px;
  overflow-y: auto;
}
.chat-stream-msg {
  padding: 8px 12px;
  border-radius: var(--r-sm);
  font-size: 12px;
  line-height: 1.5;
}
.chat-stream-msg.user {
  background: var(--bg-subtle);
  border-left: 3px solid var(--accent);
}
.chat-stream-msg.assistant {
  background: var(--bg-elevated);
  border-left: 3px solid #10b981;
}

/* 对话详情骨架与即时加载反馈 */
.chat-detail-skeleton {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 4px 0;
}
.chat-detail-loading-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
}
.chat-detail-spinner {
  width: 15px;
  height: 15px;
  border: 2px solid rgba(14, 165, 233, 0.25);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: chatSpinner 0.75s linear infinite;
  display: inline-block;
  vertical-align: middle;
}
@keyframes chatSpinner {
  to { transform: rotate(360deg); }
}

/* 对话详情文件附件展示 */
.chat-detail-file-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}
.chat-detail-file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  padding: 6px 10px;
  font-size: 12px;
}
.chat-detail-file-name {
  color: var(--text);
  font-weight: 500;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat-detail-file-size {
  color: var(--text-tertiary);
  font-size: 11px;
}
.chat-detail-file-dl-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 11.5px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
}
.chat-detail-file-dl-btn:hover {
  background: var(--bg-subtle);
  text-decoration: underline;
}

/* ==========================================================================
   用量统计 (Usage Statistics) 模块样式
   ========================================================================== */
.usage-head-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}
.usage-view-tabs {
  display: inline-flex;
  background: var(--bg-elevated);
  padding: 3px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  gap: 3px;
}
.usage-view-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: transparent;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all var(--t-fast);
}
.usage-view-tab:hover {
  color: var(--text);
}
.usage-view-tab.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.usage-toolbar {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.usage-charts-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.usage-charts-grid.single-chart {
  grid-template-columns: 1fr;
}
@media (max-width: 980px) {
  .usage-charts-grid {
    grid-template-columns: 1fr;
  }
}
.usage-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.usage-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.usage-card-title {
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}
.tab-switch {
  display: inline-flex;
  background: var(--bg-hover);
  padding: 2px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  gap: 2px;
}
.tab-switch button {
  border: none;
  background: transparent;
  padding: 3px 10px;
  font-size: 11.5px;
  font-weight: 500;
  border-radius: var(--r-xs);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--t-fast);
}
.tab-switch button.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
/* 环形图 */
.donut-flex-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 8px 0;
}
.donut-svg-holder {
  position: relative;
  width: 140px;
  height: 140px;
  flex-shrink: 0;
}
.donut-center-info {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
}
.donut-center-value {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
}
.donut-center-caption {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 3px;
}
.donut-legend-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 12px;
}
.donut-legend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--r-sm);
  transition: background var(--t-fast);
}
.donut-legend-row:hover {
  background: var(--bg-hover);
}
.donut-legend-left {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}
.donut-legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}
.donut-legend-right {
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: 12px;
}
/* 天梯图 */
.ladder-bars-wrap {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.ladder-bar-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ladder-bar-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
}
.ladder-bar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.ladder-rank-badge {
  width: 18px;
  height: 18px;
  background: var(--bg-hover);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ladder-rank-badge.top-1 { background: #fef08a; color: #854d0e; }
.ladder-rank-badge.top-2 { background: #e2e8f0; color: #475569; }
.ladder-rank-badge.top-3 { background: #fed7aa; color: #9a3412; }
.ladder-bar-name {
  font-weight: 600;
  color: var(--text);
}
.ladder-vendor-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 3px;
  font-weight: 500;
  background: var(--bg-subtle);
  color: var(--text-secondary);
}
.ladder-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}
.ladder-bar-value {
  font-weight: 600;
  color: var(--text);
}
.ladder-bar-pct {
  color: var(--text-secondary);
  width: 44px;
  text-align: right;
}
.ladder-track {
  width: 100%;
  height: 7px;
  background: var(--bg-hover);
  border-radius: 999px;
  overflow: hidden;
}
.ladder-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease-out;
}
/* 表格定制 */
.usage-table-section {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.usage-table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.usage-table-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.usage-vendor-row {
  cursor: pointer;
  user-select: none;
}
.usage-vendor-row td {
  background: var(--bg-hover) !important;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}
.usage-sub-model-name {
  padding-left: 24px !important;
  position: relative;
}
.usage-sub-model-name::before {
  content: "└";
  position: absolute;
  left: 10px;
  color: var(--text-secondary);
}
.vendor-toggle-arrow {
  display: inline-block;
  transition: transform var(--t-fast);
  font-size: 10px;
  margin-right: 4px;
}
.vendor-toggle-arrow.collapsed {
  transform: rotate(-90deg);
}

/* ==========================================================================
   对话查看: 图片缩略图与大图预览增强
   ========================================================================== */
.chat-table-media-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  flex-wrap: wrap;
}
.chat-table-thumb-wrap {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 48px;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  box-shadow: var(--shadow-xs);
  transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
  cursor: pointer;
  flex-shrink: 0;
}
.chat-table-thumb-wrap:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
  z-index: 2;
}
.chat-table-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.chat-table-thumb-badge {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 9.5px;
  text-align: center;
  padding: 1px 0;
  line-height: 1.2;
  backdrop-filter: blur(2px);
  pointer-events: none;
}
.chat-table-thumb-badge.gen {
  background: rgba(16, 185, 129, 0.88);
}
.chat-table-thumb-badge.user {
  background: rgba(59, 130, 246, 0.88);
}

/* 详情弹窗中的大图展示区域 */
.chat-generated-gallery {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.chat-gen-img-card {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.chat-gen-img-wrap {
  position: relative;
  background: #0b0f17;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  max-height: 320px;
  overflow: hidden;
  cursor: zoom-in;
}
.chat-gen-img {
  max-width: 100%;
  max-height: 320px;
  object-fit: contain;
  display: block;
  transition: transform 0.2s ease;
}
.chat-gen-img-wrap:hover .chat-gen-img {
  transform: scale(1.02);
}
.chat-gen-img-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-light);
  font-size: 12px;
}
.chat-gen-img-actions .action-links {
  display: flex;
  gap: 12px;
}
.chat-gen-img-actions a,
.chat-gen-img-actions button {
  color: var(--accent);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-size: 12px;
  text-decoration: none;
}
.chat-gen-img-actions a:hover,
.chat-gen-img-actions button:hover {
  text-decoration: underline;
}

/* 全屏 Lightbox 弹窗 */
.admin-lightbox-layer {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(10, 15, 29, 0.88);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: layerIn 180ms ease;
}
.admin-lightbox-toolbar {
  position: absolute;
  top: 18px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10001;
}
.admin-lightbox-btn {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--r-sm);
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: background 0.15s ease;
}
.admin-lightbox-btn:hover {
  background: rgba(255, 255, 255, 0.28);
}
.admin-lightbox-img-wrap {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.admin-lightbox-img {
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--r-md);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  background: #000;
}
.admin-lightbox-caption {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  text-align: center;
}

/* ===== 视觉安全审查控制卡片与开关 ===== */
.admin-switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
}
.admin-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.admin-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  background-color: var(--border, #cbd5e1);
  transition: all 0.25s ease;
  border-radius: 26px;
}
.admin-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}
.admin-switch input:checked + .admin-slider {
  background-color: var(--primary, #6366f1);
}
.admin-switch input:checked + .admin-slider:before {
  transform: translateX(22px);
}


/* ==========================================================================
   用户账目明细（充值与消费记录）专用样式
   ========================================================================== */
.admin-modal.admin-modal-records {
  max-width: 960px;
  width: 95vw;
}
.admin-modal.admin-modal-records .admin-modal-body {
  max-height: 78vh;
  padding: 16px 22px;
}
.user-rec-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.user-rec-summary {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.user-rec-sum-sub {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-rec-sum-card {
  background: var(--bg-subtle, #f8fafc);
  border: 1px solid var(--border-light, #e2e8f0);
  border-radius: var(--r-md, 8px);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.user-rec-sum-label {
  font-size: 12px;
  color: var(--text-tertiary, #94a3b8);
  font-weight: 500;
}
.user-rec-sum-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--text, #0f172a);
}
.user-rec-green {
  color: var(--green, #10b981) !important;
}
.user-rec-red {
  color: var(--red, #ef4444) !important;
}
.user-rec-sum-quota-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #7e22ce;
  background: #f5f3ff;
  border: 1px solid #ddd6fe;
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 3px;
  width: fit-content;
  max-width: 100%;
  white-space: normal;
  line-height: 1.35;
}
.user-rec-quota-panel {
  background: var(--bg-elevated, #ffffff);
  border: 1px solid var(--border-light, #e2e8f0);
  border-radius: var(--r-md, 8px);
  padding: 12px 14px;
  box-shadow: var(--shadow-xs, 0 1px 2px rgba(0, 0, 0, 0.04));
  margin-bottom: 2px;
}
.user-rec-quota-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.user-rec-quota-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--border-light, #f1f5f9);
}
.user-rec-quota-head-title {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.user-rec-quota-main-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  background: #f5f3ff;
  color: #7e22ce;
  border: 1px solid #ddd6fe;
  border-radius: 4px;
}
.user-rec-quota-pkg-label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text, #1e293b);
}
.user-rec-quota-hint {
  font-size: 11.5px;
  color: var(--text-tertiary, #94a3b8);
}
.user-rec-quota-head-summary {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-secondary, #64748b);
  flex-wrap: wrap;
}
.user-rec-quota-head-stat b {
  font-family: var(--font-mono, monospace);
  font-weight: 700;
}
.user-rec-txt-purple {
  color: #7e22ce !important;
}
.user-rec-txt-green {
  color: var(--green, #10b981) !important;
}
.user-rec-txt-red {
  color: var(--red, #ef4444) !important;
}
.user-rec-quota-head-sep {
  color: var(--border, #cbd5e1);
  font-size: 12px;
}
.user-rec-quota-pill-timer {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 600;
  color: #b45309;
  background: #fffbeb;
  border: 1px solid #fef3c7;
  padding: 2.5px 8px;
  border-radius: 12px;
  margin-left: 2px;
}
.user-rec-quota-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}
.user-rec-quota-cards-grid.single {
  grid-template-columns: 1fr;
}
.user-rec-tier-item {
  background: var(--bg-subtle, #f8fafc);
  border: 1px solid var(--border-light, #e2e8f0);
  border-radius: 6px;
  padding: 9px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.user-rec-tier-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.user-rec-tier-title-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}
.user-rec-tier-badge {
  font-size: 12px;
  font-weight: 700;
  color: #6b21a8;
}
.user-rec-tier-quota-lbl {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
}
.user-rec-tier-stats-wrap {
  font-size: 12px;
  font-family: var(--font-mono, monospace);
  color: var(--text-secondary, #64748b);
}
.user-rec-tier-stat-used b {
  color: #7e22ce;
  font-weight: 700;
}
.user-rec-tier-stat-rem b {
  color: var(--green, #10b981);
  font-weight: 700;
}
.user-rec-tier-stat-rem.exhausted b {
  color: var(--red, #ef4444);
}
.user-rec-tier-sep {
  margin: 0 2px;
  color: var(--border, #cbd5e1);
}
.user-rec-tier-progress-track {
  width: 100%;
  height: 6px;
  background: var(--border-light, #e2e8f0);
  border-radius: 3px;
  overflow: hidden;
}
.user-rec-tier-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #c084fc 0%, #7e22ce 100%);
  border-radius: 3px;
  transition: width 0.3s ease;
}
.user-rec-tier-progress-bar.bar-exhausted {
  background: linear-gradient(90deg, #f87171 0%, #ef4444 100%);
}
.user-rec-tier-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 11.5px;
}
.user-rec-tier-countdown {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #92400e;
  font-weight: 500;
}
.user-rec-tier-clock-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}
.user-rec-tier-status-tag {
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
  white-space: nowrap;
}
.user-rec-tier-status-tag.active-window {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}
.user-rec-tier-status-tag.reset-ready {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}
.user-rec-tier-status-tag.idle {
  background: #f1f5f9;
  color: #64748b;
  border: 1px solid #cbd5e1;
}
.user-rec-filter-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 12px 16px;
  box-shadow: var(--shadow-xs);
}
.user-rec-filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 16px;
}
.user-rec-filter-item {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.user-rec-filter-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}
.user-rec-date-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.user-rec-date-sep {
  font-size: 12px;
  color: var(--text-tertiary);
}
.admin-modal-body .user-rec-filter-card input,
.admin-modal-body .user-rec-filter-card select {
  display: inline-block;
  width: auto;
  margin-top: 0;
  padding: 6px 10px;
  font-size: 12.5px;
  height: 32px;
}
.user-rec-date-input {
  min-width: 130px;
}
.user-rec-select {
  min-width: 180px;
}
.user-rec-quick-dates {
  display: flex;
  align-items: center;
  gap: 4px;
}
.user-rec-filter-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.user-rec-table-wrap {
  max-height: 380px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-xs);
}
.user-rec-table th {
  position: sticky;
  top: 0;
  background: var(--bg-elevated);
  z-index: 2;
  box-shadow: 0 1px 0 var(--border);
}
.user-rec-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 4px;
}
.user-rec-page-info {
  font-size: 12.5px;
  color: var(--text-secondary);
}
.user-rec-page-btns {
  display: flex;
  gap: 8px;
}

@media (max-width: 768px) {
  .user-rec-summary {
    grid-template-columns: repeat(2, 1fr);
  }
  .user-rec-quota-cards-grid {
    grid-template-columns: 1fr;
  }
  .user-rec-quota-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .user-rec-filter-row {
    flex-direction: column;
    align-items: stretch;
  }
  .user-rec-filter-actions {
    margin-left: 0;
    justify-content: flex-end;
  }
}