/* ===========================================================
   后台管理样式
   =========================================================== */
body { background: #f4f6fa; }

/* ---------- 登录 ---------- */
.admin-login {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #062a63 0%, #0b3d91 50%, #1155c9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}
.admin-login.hidden { display: none; }
.admin-login-box {
  background: #fff;
  border-radius: 16px;
  padding: 36px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 70px rgba(0,0,0,.32);
}
.admin-login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.admin-login-brand img { height: 44px; }
.admin-login-title { font-size: 19px; font-weight: 700; color: var(--ink-900); }
.admin-login-sub { font-size: 13px; color: var(--ink-400); margin-top: 2px; }

/* ---------- 布局 ---------- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-shell.hidden { display: none; }

.admin-side {
  width: 218px;
  flex-shrink: 0;
  background: #0f1c33;
  color: rgba(255,255,255,.7);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.admin-side-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,.09);
  font-weight: 700;
  color: #fff;
  font-size: 15px;
}
.admin-side-brand img { height: 32px; background: #fff; border-radius: 6px; padding: 3px; }

.admin-nav { padding: 14px 10px; flex: 1; overflow-y: auto; }
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 11px 14px;
  background: transparent;
  border: none;
  border-radius: 9px;
  color: rgba(255,255,255,.66);
  font-size: 14.5px;
  text-align: left;
  transition: all .2s;
  margin-bottom: 3px;
}
.admin-nav-item:hover { background: rgba(255,255,255,.07); color: #fff; }
.admin-nav-item.active { background: var(--blue-700); color: #fff; font-weight: 600; }
.ani { font-size: 15px; width: 18px; text-align: center; opacity: .9; }

.admin-side-foot {
  padding: 14px 18px 20px;
  border-top: 1px solid rgba(255,255,255,.09);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.admin-side-link {
  background: none; border: none; padding: 0;
  color: rgba(255,255,255,.5);
  font-size: 13.5px;
  text-align: left;
  transition: color .2s;
}
.admin-side-link:hover { color: #fff; }

.admin-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.admin-top {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.admin-page-title { font-size: 20px; font-weight: 700; color: var(--ink-900); }
.admin-page-sub { font-size: 13.5px; color: var(--ink-400); margin-top: 2px; }
.admin-top-right { display: flex; align-items: center; gap: 14px; }
.admin-clock { font-size: 13px; color: var(--ink-400); font-variant-numeric: tabular-nums; }

.admin-body { padding: 26px 28px 60px; flex: 1; }
.admin-tab { display: none; }
.admin-tab.active { display: block; animation: fadeUp .22s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- KPI ---------- */
.admin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}
.kpi {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
}
.kpi::after {
  content: "";
  position: absolute;
  right: -20px; top: -20px;
  width: 76px; height: 76px;
  border-radius: 50%;
  background: var(--blue-50);
}
.kpi-label { font-size: 13px; color: var(--ink-400); position: relative; z-index: 1; }
.kpi-num {
  font-size: 30px; font-weight: 700; color: var(--ink-900);
  line-height: 1.25; margin-top: 4px; position: relative; z-index: 1;
}
.kpi-num small { font-size: 14px; color: var(--ink-400); font-weight: 500; margin-left: 3px; }

/* ---------- 面板 ---------- */
.admin-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 20px;
  overflow: hidden;
}
.admin-panel-head {
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.admin-panel-head h2 { font-size: 15.5px; font-weight: 700; color: var(--ink-900); }
.admin-settings-body { padding: 22px; }
.admin-muted { font-size: 13px; color: var(--ink-400); }

/* ---------- 工具栏 ---------- */
.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.admin-toolbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.admin-toolbar-left { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.admin-stat-inline { font-size: 13.5px; color: var(--ink-500); }
.admin-stat-inline strong { color: var(--ink-900); font-size: 15px; }
.admin-dot { color: var(--ink-300); margin: 0 4px; }
.admin-search {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  width: 240px;
  background: #fff;
  transition: all .2s;
}
.admin-search:focus { border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(61,139,255,.12); }

/* ---------- 表格 ---------- */
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th {
  text-align: left;
  padding: 12px 16px;
  background: #fafbfd;
  color: var(--ink-500);
  font-weight: 600;
  font-size: 13px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.admin-table td {
  padding: 13px 16px;
  border-bottom: 1px solid #f0f3f8;
  vertical-align: middle;
  color: var(--ink-700);
}
.admin-table tbody tr:hover { background: #fafbfd; }
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table .nowrap { white-space: nowrap; }
.admin-table .td-actions { white-space: nowrap; text-align: right; }
.admin-table .td-actions button {
  background: none;
  border: 1px solid var(--line);
  color: var(--ink-700);
  padding: 4px 11px;
  border-radius: 6px;
  font-size: 12.5px;
  margin-left: 6px;
  transition: all .18s;
}
.admin-table .td-actions button:hover { border-color: var(--blue-600); color: var(--blue-700); background: var(--blue-50); }
.admin-table .td-actions button.danger:hover { border-color: #fca5a5; color: #b91c1c; background: #fef2f2; }
.admin-table .td-actions button.ok:hover { border-color: #86efac; color: #15803d; background: #f0fdf4; }

.admin-thumb {
  width: 54px; height: 40px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--blue-50);
  border: 1px solid var(--line);
}
.admin-title-cell { display: flex; align-items: center; gap: 12px; }
.admin-title-text { font-weight: 600; color: var(--ink-900); }
.admin-title-sub { font-size: 12.5px; color: var(--ink-400); margin-top: 2px; }

/* 状态标签 */
.tag {
  display: inline-block;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
}
.tag-blue { background: var(--blue-100); color: var(--blue-700); }
.tag-green { background: #dcfce7; color: #15803d; }
.tag-gray { background: #f1f5f9; color: #64748b; }
.tag-orange { background: #fffbeb; color: #b45309; }
.tag-red { background: #fee2e2; color: #b91c1c; }

/* 密码显示 */
.pw-cell { display: flex; align-items: center; gap: 7px; }
.pw-text {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px;
  background: var(--bg);
  padding: 3px 9px;
  border-radius: 5px;
  border: 1px solid var(--line);
}
.pw-hidden { letter-spacing: 3px; color: var(--ink-400); }
.pw-toggle {
  background: none; border: none;
  font-size: 14px; padding: 2px 4px;
  cursor: pointer; opacity: .6;
}
.pw-toggle:hover { opacity: 1; }

/* ---------- 弹窗表单 ---------- */
.admin-form-grid { display: grid; gap: 14px; }
.admin-form-row { display: grid; grid-template-columns: 130px 1fr; gap: 14px; align-items: start; }
.admin-form-row > label {
  font-size: 13.5px; font-weight: 600; color: var(--ink-700);
  padding-top: 11px;
}
.admin-form-row input,
.admin-form-row select,
.admin-form-row textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  transition: all .2s;
  background: #fff;
}
.admin-form-row textarea { resize: vertical; min-height: 110px; line-height: 1.7; }
.admin-form-row input:focus,
.admin-form-row select:focus,
.admin-form-row textarea:focus { border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(61,139,255,.12); }
.admin-form-row .hint { font-size: 12.5px; color: var(--ink-400); margin-top: 5px; }
.admin-form-row.full > label { padding-top: 0; }
.admin-form-actions {
  display: flex; justify-content: flex-end; gap: 10px;
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line);
}
.admin-form-note {
  background: var(--blue-50);
  border: 1px solid #d4e6ff;
  color: var(--blue-800);
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  line-height: 1.65;
}
.admin-form-note.warn { background: #fffbeb; border-color: #fde68a; color: #b45309; }

/* 文件上传区 */
.upload-drop {
  border: 2px dashed var(--line);
  border-radius: 10px;
  padding: 26px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  background: #fafbfd;
}
.upload-drop:hover { border-color: var(--blue-500); background: var(--blue-50); }
.upload-drop-icon { font-size: 30px; color: var(--ink-300); margin-bottom: 8px; }
.upload-drop-text { font-size: 14px; color: var(--ink-500); }
.upload-drop-name { font-size: 13.5px; color: var(--blue-700); margin-top: 8px; font-weight: 600; }

/* 开关 */
.switch { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; }
.switch input { display: none; }
.switch-track {
  width: 40px; height: 22px;
  border-radius: 100px;
  background: #cbd5e1;
  position: relative;
  transition: background .22s;
  flex-shrink: 0;
}
.switch-track::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform .22s;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.switch input:checked + .switch-track { background: var(--blue-700); }
.switch input:checked + .switch-track::after { transform: translateX(18px); }
.switch-label { font-size: 13.5px; color: var(--ink-700); }

/* 分类芯片组（可点击筛选） */
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 7px 15px;
  border-radius: 100px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink-700);
  font-size: 13.5px;
  transition: all .2s;
  cursor: pointer;
}
.chip:hover { border-color: var(--blue-500); color: var(--blue-700); }
.chip.active { background: var(--blue-800); border-color: var(--blue-800); color: #fff; font-weight: 600; }

/* 扫描结果 */
.scan-result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.scan-cat {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 13px 15px;
}
.scan-cat-name { font-size: 14px; font-weight: 600; color: var(--ink-900); }
.scan-cat-meta { font-size: 12.5px; color: var(--ink-400); margin-top: 3px; }

/* 空状态 */
.admin-empty { text-align: center; padding: 56px 20px; color: var(--ink-400); }
.admin-empty-icon { font-size: 40px; opacity: .45; margin-bottom: 10px; }
.admin-empty-text { font-size: 14px; }

.admin-info-table { width: 100%; font-size: 14px; }
.admin-info-table td { padding: 11px 4px; border-bottom: 1px solid var(--line); }
.admin-info-table tr:last-child td { border-bottom: none; }
.admin-info-table td:first-child { color: var(--ink-500); width: 130px; }
.admin-info-table code {
  background: var(--bg); padding: 2px 7px; border-radius: 5px;
  font-size: 12.5px; border: 1px solid var(--line);
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .admin-side { width: 62px; }
  .admin-side-brand span { display: none; }
  .admin-nav-item { justify-content: center; padding: 12px 0; }
  .admin-nav-item span.ani { margin: 0; }
  .admin-nav-item { font-size: 0; }
  .admin-nav-item .ani { font-size: 17px; }
  .admin-side-link { font-size: 0; text-align: center; }
  .admin-body { padding: 18px 14px 50px; }
  .admin-top { padding: 14px 16px; }
  .admin-form-row { grid-template-columns: 1fr; gap: 6px; }
  .admin-form-row > label { padding-top: 0; }
  .admin-clock { display: none; }
}