/* =====================================================================
   智优Ai商管系统 · 网页后台  |  企业蓝 · 简约（Ant Design 风）
   重写于 2026-07-21：保留全部既有 class 名，仅升级视觉体系。
   ===================================================================== */

:root {
  --primary: #1677ff;
  --primary-hover: #4096ff;
  --primary-active: #0958d9;
  --primary-bg: #e6f4ff;
  --primary-bg-2: #bae0ff;

  --success: #52c41a;
  --success-bg: #f6ffed;
  --success-border: #b7eb8f;
  --warning: #fa8c16;
  --warning-bg: #fff7e6;
  --warning-border: #ffd591;
  --error: #ff4d4f;
  --error-bg: #fff1f0;
  --error-border: #ffccc7;
  --info: #1677ff;
  --info-bg: #e6f4ff;
  --text-err: #cf1322;
  --text-success: #389e0d;
  --text-warning: #d46b08;

  --text-1: #1f2733;   /* 主文本 */
  --text-2: #5a6675;   /* 次文本 */
  --text-3: #8a94a6;   /* 弱文本 */
  --border: #e6eaf0;
  --border-2: #f0f2f5;
  --fill-1: #f5f6f8;
  --fill-2: #fafbfc;
  --bg: #f0f2f5;
  --container: #ffffff;

  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 1px 2px rgba(15,27,51,.04), 0 2px 8px rgba(15,27,51,.05);
  --shadow-pop: 0 6px 16px rgba(15,27,51,.12), 0 3px 6px -4px rgba(15,27,51,.12);
  --shadow-lg: 0 12px 32px rgba(15,27,51,.18);
  --sidebar-bg: #0b1f3a;
  --sidebar-bg-2: #0a1c38;
  --sidebar-text: #aebfd6;
  --sidebar-text-2: #6c7f9e;
  --ease: cubic-bezier(.4,0,.2,1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
          "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ----------------------------- 基础 / reset ----------------------------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-1);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.hidden { display: none !important; }
a { color: var(--primary); text-decoration: none; }
/* 滚动条美化 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb {
  background: rgba(15,27,51,.18); border-radius: 6px;
  border: 2px solid transparent; background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(15,27,51,.32); background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

/* ----------------------------- 按钮 ----------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  padding: 7px 15px; font-size: 14px; cursor: pointer;
  transition: .18s var(--ease); user-select: none; line-height: 1.4;
  font-family: inherit; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 0 rgba(5,80,160,.10); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:active { background: var(--primary-active); }
.btn-default { background: #fff; border-color: var(--border); color: var(--text-1); }
.btn-default:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { color: var(--primary); background: var(--fill-1); }
.btn-danger { background: #fff; border-color: var(--error); color: var(--error); }
.btn-danger:hover { background: var(--error-bg); }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-block { width: 100%; padding: 11px; font-size: 15px; }
.btn:disabled { opacity: .55; cursor: not-allowed; box-shadow: none; }
.btn-link {
  background: none; border: none; color: var(--primary); cursor: pointer;
  padding: 3px 8px; font-size: 13px; border-radius: var(--radius-sm);
  transition: .15s var(--ease);
}
.btn-link:hover { background: var(--primary-bg); text-decoration: none; }
.btn-link.danger { color: var(--error); }
.btn-link.danger:hover { background: var(--error-bg); }

/* ----------------------------- 登录页 ----------------------------- */
.login-wrap { min-height: 100vh; display: flex; }
.login-aside {
  flex: 0 0 46%; position: relative; overflow: hidden;
  background: linear-gradient(150deg, #0a1c38 0%, #1677ff 130%);
  color: #fff; display: flex; align-items: center; justify-content: center; padding: 48px;
}
.login-aside::after {
  content: ''; position: absolute; width: 520px; height: 520px; border-radius: 50%;
  background: rgba(255,255,255,.06); right: -160px; top: -160px;
}
.login-aside::before {
  content: ''; position: absolute; width: 380px; height: 380px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.10); left: -120px; bottom: -120px;
}
.login-hero { position: relative; z-index: 1; max-width: 430px; }
.login-hero-logo {
  width: 56px; height: 56px; border-radius: 14px; background: rgba(255,255,255,.16);
  backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 700; margin-bottom: 26px;
}
.login-hero h1 { font-size: 30px; font-weight: 700; margin: 0 0 10px; letter-spacing: 1px; }
.login-hero-sub { font-size: 15px; color: rgba(255,255,255,.72); margin: 0 0 38px; }
.login-main {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--bg); padding: 40px;
}
.login-card {
  width: 384px; max-width: 100%; background: #fff; border-radius: 16px;
  box-shadow: var(--shadow-pop); padding: 36px 32px;
}
.login-card-title { font-size: 22px; font-weight: 700; color: var(--text-1); margin-bottom: 8px; letter-spacing: 1px; }
.login-card-sub { font-size: 13px; color: var(--text-3); margin-bottom: 28px; }
.login-form label { display: block; margin-bottom: 18px; font-size: 13px; color: var(--text-2); font-weight: 500; }
.login-form input {
  width: 100%; margin-top: 7px; padding: 11px 13px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 14px; outline: none; background: #fff;
  transition: .2s var(--ease); color: var(--text-1);
}
.login-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,119,255,.12); }

/* ----------------------------- 布局 ----------------------------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex-shrink: 0; display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--sidebar-bg), var(--sidebar-bg-2));
  color: var(--sidebar-text); transition: width .22s var(--ease);
}
.sidebar.collapsed { width: 64px; }
.side-brand {
  display: flex; align-items: center; gap: 11px; padding: 18px 20px; color: #fff;
  font-weight: 700; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,.08); white-space: nowrap;
}
.side-logo {
  width: 32px; height: 32px; border-radius: 9px; background: var(--primary);
  display: flex; align-items: center; justify-content: center; color: #fff;
  font-size: 17px; flex-shrink: 0;
}
.side-name { white-space: nowrap; }
.side-nav { padding: 10px 12px; flex: 1; overflow-y: auto; }
.side-item {
  display: flex; align-items: center; gap: 11px; padding: 11px 14px; cursor: pointer;
  color: var(--sidebar-text); border-radius: var(--radius-sm); margin-bottom: 4px;
  transition: .18s var(--ease); white-space: nowrap;
}
.side-item:hover { background: rgba(255,255,255,.08); color: #fff; }
.side-item.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(22,119,255,.40); }
.side-icon { width: 20px; text-align: center; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; }
.side-icon svg { width: 18px; height: 18px; }
.side-label { font-size: 14px; }
.sidebar.collapsed .side-label,
.sidebar.collapsed .side-name { display: none; }
.sidebar.collapsed .side-item { justify-content: center; padding: 12px 0; }

/* ---- 二级侧边导航（一级分组 + 二级子项） ---- */
.side-group { margin-bottom: 2px; }
.side-ghead {
  display: flex; align-items: center; gap: 11px; padding: 11px 14px; cursor: pointer;
  color: var(--sidebar-text); border-radius: var(--radius-sm);
  transition: .18s var(--ease); white-space: nowrap; user-select: none;
}
.side-ghead:hover { background: rgba(255,255,255,.08); color: #fff; }
.side-ghead.cur { color: #fff; background: rgba(255,255,255,.06); }
.side-caret { margin-left: auto; display: inline-flex; align-items: center; transition: transform .2s var(--ease); opacity: .7; }
.side-caret svg { width: 15px; height: 15px; }
.side-group.open > .side-ghead .side-caret { transform: rotate(90deg); }
.side-sub { overflow: hidden; max-height: 0; transition: max-height .24s var(--ease); }
.side-group.open > .side-sub { max-height: 640px; }
.side-subitem {
  padding: 9px 14px 9px 45px; cursor: pointer; color: var(--sidebar-text);
  border-radius: var(--radius-sm); margin: 2px 0; font-size: 13px;
  transition: .18s var(--ease); white-space: nowrap; position: relative;
}
.side-subitem::before {
  content: ''; position: absolute; left: 26px; top: 50%; width: 5px; height: 5px;
  border-radius: 50%; background: currentColor; opacity: .35; transform: translateY(-50%);
}
.side-subitem:hover { background: rgba(255,255,255,.08); color: #fff; }
.side-subitem.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(22,119,255,.40); }
.side-subitem.active::before { opacity: 0; }
/* 折叠态下隐藏二级与文字，仅保留一级图标 */
.sidebar.collapsed .side-ghead { justify-content: center; padding: 12px 0; }
.sidebar.collapsed .side-caret { display: none; }
.sidebar.collapsed .side-sub { display: none; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 58px; flex-shrink: 0; background: var(--container); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 20px; gap: 14px; position: sticky; top: 0; z-index: 10;
}
.icon-btn {
  background: none; border: none; font-size: 18px; cursor: pointer; color: var(--text-2);
  padding: 6px 9px; border-radius: var(--radius-sm); transition: .18s var(--ease);
}
.icon-btn:hover { background: var(--fill-1); color: var(--primary); }
.crumb { font-size: 16px; font-weight: 600; color: var(--text-1); }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.top-user { font-size: 13px; color: var(--text-2); display: flex; align-items: center; gap: 8px; }
.top-user b { color: var(--text-1); }
.top-user .avatar {
  width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600;
}
.view { padding: 20px 24px; flex: 1; overflow: auto; background: var(--bg); }

/* ----------------------------- 卡片 / 区块 ----------------------------- */
.card {
  background: var(--container); border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
  padding: 20px 22px; margin-bottom: 18px; border: 1px solid var(--border-2);
}
.card-title { font-size: 16px; font-weight: 600; margin: 0 0 16px; display: flex; align-items: center; gap: 8px; color: var(--text-1); }
.card-title .spacer { flex: 1; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 13px; color: var(--text-2); font-weight: 500; }
.field input, .field select, .field textarea {
  padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; outline: none; min-width: 160px; background: #fff; color: var(--text-1);
  transition: .2s var(--ease); font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,119,255,.10);
}
.field input:disabled { background: var(--fill-1); color: var(--text-3); cursor: not-allowed; }
textarea { resize: vertical; font-family: inherit; }

/* ----------------------------- 统计卡 KPI ----------------------------- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 18px; }

/* ---- 工作台三大预警看板 ---- */
.warn-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-bottom: 18px; }
.warn-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.warn-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.warn-title { font-size: 15px; font-weight: 600; color: var(--text-1); }
.warn-count { min-width: 24px; height: 22px; padding: 0 8px; border-radius: 11px; background: var(--error-bg); color: var(--text-err); font-size: 13px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.warn-card .table-wrap { flex: 1; padding: 4px 8px; }
.warn-foot { padding: 10px 18px; border-top: 1px solid var(--border); text-align: right; }
.tbl-sm th, .tbl-sm td { padding: 7px 10px; font-size: 13px; }
@media (max-width: 640px) { .warn-grid { grid-template-columns: 1fr; } }
.kpi {
  background: var(--container); border-radius: var(--radius-lg); padding: 20px 22px;
  box-shadow: var(--shadow-card); position: relative; overflow: hidden; border: 1px solid var(--border-2);
}
.kpi::after { content: ''; position: absolute; right: -18px; top: -18px; width: 84px; height: 84px; border-radius: 50%; opacity: .10; }
.kpi.blue::after { background: var(--primary); }
.kpi.green::after { background: var(--success); }
.kpi.orange::after { background: var(--warning); }
.kpi.red::after { background: var(--error); }
.kpi::before { content: ''; position: absolute; left: 0; top: 20px; bottom: 20px; width: 3px; border-radius: 3px; }
.kpi.blue::before { background: var(--primary); }
.kpi.green::before { background: var(--success); }
.kpi.orange::before { background: var(--warning); }
.kpi.red::before { background: var(--error); }
.kpi .k-label { font-size: 13px; color: var(--text-3); display: flex; align-items: center; gap: 6px; }
.kpi .k-label svg { width: 15px; height: 15px; }
.kpi .k-value { font-size: 28px; font-weight: 700; margin-top: 8px; color: var(--text-1); letter-spacing: .5px; }
.kpi .k-sub { font-size: 12px; color: var(--text-3); margin-top: 5px; }

/* ----------------------------- 表格 ----------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border-2); border-radius: var(--radius); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl th, table.tbl td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border-2); white-space: nowrap; }
table.tbl th { background: var(--fill-2); color: var(--text-2); font-weight: 600; position: sticky; top: 0; z-index: 1; }
table.tbl tbody tr { transition: background .15s var(--ease); }
table.tbl tbody tr:hover td { background: var(--primary-bg); }
table.tbl tbody tr:last-child td { border-bottom: none; }
td.muted, .muted { color: var(--text-3); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.money { color: var(--error); font-weight: 600; }

/* ----------------------------- 状态标签 ----------------------------- */
.tag {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 10px;
  border-radius: 20px; font-size: 12px; line-height: 1.7; font-weight: 500;
  border: 1px solid transparent;
}
.tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.tag.ok { background: var(--success-bg); color: var(--text-success); border-color: var(--success-border); }
.tag.warn { background: var(--warning-bg); color: var(--text-warning); border-color: var(--warning-border); }
.tag.info { background: var(--info-bg); color: var(--primary-active); border-color: var(--primary-bg-2); }
.tag.err { background: var(--error-bg); color: var(--text-err); border-color: var(--error-border); }
.tag.muted { background: var(--fill-1); color: var(--text-3); border-color: var(--border); }
.tag.muted::before { display: none; }

/* ----------------------------- 工具条 / 选项卡 ----------------------------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 16px; }
.toolbar .spacer { flex: 1; }
.search {
  padding: 9px 13px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; min-width: 240px; outline: none; background: #fff; color: var(--text-1);
  transition: .2s var(--ease);
}
.search:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,119,255,.10); }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tab { padding: 9px 16px; cursor: pointer; color: var(--text-2); border-bottom: 2px solid transparent; font-size: 14px; transition: .18s var(--ease); border-radius: 6px 6px 0 0; }
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.section-sub { font-size: 13px; color: var(--text-3); margin: -6px 0 14px; }

/* ----------------------------- 弹窗 ----------------------------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15,27,51,.45); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 20px;
  animation: md-fade .2s var(--ease);
}
@keyframes md-fade { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: #fff; border-radius: var(--radius-lg); width: 560px; max-width: 100%;
  max-height: 90vh; display: flex; flex-direction: column; box-shadow: var(--shadow-lg);
  animation: md-pop .22s var(--ease);
}
@keyframes md-pop { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-head {
  padding: 18px 22px; border-bottom: 1px solid var(--border-2); font-size: 16px;
  font-weight: 600; display: flex; align-items: center; color: var(--text-1);
}
.modal-head .close {
  margin-left: auto; cursor: pointer; color: var(--text-3); font-size: 22px; line-height: 1;
  border: none; background: none; width: 30px; height: 30px; border-radius: var(--radius-sm); transition: .15s;
}
.modal-head .close:hover { background: var(--fill-1); color: var(--text-1); }
.modal-body { padding: 22px; overflow: auto; }
.modal-body .field { margin-bottom: 16px; min-width: 100%; }
.modal-body .field input, .modal-body .field select, .modal-body .field textarea { width: 100%; min-width: 0; }
.modal-foot { padding: 14px 22px; border-top: 1px solid var(--border-2); display: flex; justify-content: flex-end; gap: 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

/* ----------------------------- Toast ----------------------------- */
.toast-root {
  position: fixed; top: 24px; left: 50%; transform: translateX(-50%); z-index: 2000;
  display: flex; flex-direction: column; gap: 10px; align-items: center; pointer-events: none;
}
.toast {
  padding: 11px 20px; border-radius: var(--radius); color: #fff; font-size: 14px;
  box-shadow: var(--shadow-pop); animation: md-pop .22s var(--ease);
  display: flex; align-items: center; gap: 8px;
}
.toast.ok { background: var(--success); }
.toast.err { background: var(--error); }
.toast.info { background: var(--primary); }

/* ----------------------------- 图表（纯 CSS） ----------------------------- */
.bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.bar-label { width: 104px; color: var(--text-2); font-size: 13px; text-align: right; flex-shrink: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { flex: 1; background: var(--fill-1); border-radius: var(--radius-sm); height: 24px; overflow: hidden; }
.bar-fill {
  height: 100%; border-radius: var(--radius-sm); background: linear-gradient(90deg, var(--primary), #69b1ff);
  display: flex; align-items: center; justify-content: flex-end; padding-right: 10px; color: #fff;
  font-size: 12px; transition: width .4s var(--ease);
}
.bar-val { width: 100px; color: var(--text-1); font-size: 13px; flex-shrink: 0; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text-2); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; }
.rate-ring {
  width: 128px; height: 128px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; margin: 0 auto; font-size: 26px; font-weight: 700; color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.04);
}

/* ----------------------------- 杂项 ----------------------------- */
.flex { display: flex; }
.between { justify-content: space-between; }
.center { align-items: center; }
.gap8 { gap: 8px; }
.gap12 { gap: 12px; }
.empty { text-align: center; color: var(--text-3); padding: 48px 0; font-size: 14px; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
.check-grid label { display: flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; color: var(--text-2); }
.check-grid input { width: 15px; height: 15px; accent-color: var(--primary); }
.perm-group { border: 1px solid var(--border, #eee); border-radius: 8px; padding: 10px 12px 4px; margin-bottom: 10px; background: var(--bg-2, #fafbfc); }
.perm-g-title { font-weight: 600; font-size: 13px; color: var(--text-1); margin-bottom: 8px; }
.pager { display: flex; gap: 8px; align-items: center; }

/* ----------------------------- 附件上传器 ----------------------------- */
.uploader { display: flex; flex-direction: column; gap: 16px; }
.dropzone {
  border: 1.5px dashed var(--border); border-radius: var(--radius);
  padding: 28px 20px; text-align: center; cursor: pointer; background: var(--fill-2);
  transition: .2s var(--ease); position: relative;
}
.dropzone:hover { border-color: var(--primary-bg-2); background: var(--primary-bg); }
.dropzone.dz-over {
  border-color: var(--primary); background: var(--primary-bg);
  box-shadow: 0 0 0 3px rgba(22,119,255,.12); transform: scale(1.005);
}
.uz-ic {
  font-size: 30px; line-height: 1; color: var(--primary); margin-bottom: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  width: 54px; height: 54px; border-radius: 50%; background: var(--primary-bg);
  transition: .2s var(--ease);
}
.dropzone.dz-over .uz-ic { background: var(--primary); color: #fff; }
.uz-tip { font-size: 14px; color: var(--text-1); }
.uz-link { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.uz-sub { font-size: 12px; color: var(--text-3); margin-top: 6px; }

.uz-list { display: flex; flex-direction: column; gap: 10px; max-height: 50vh; overflow: auto; }
.uz-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border: 1px solid var(--border-2); border-radius: var(--radius-sm);
  background: #fff; transition: .18s var(--ease);
}
.uz-item:hover { border-color: var(--primary-bg-2); box-shadow: var(--shadow-card); }
.uz-thumb {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: var(--radius-sm); overflow: hidden;
  display: flex; align-items: center; justify-content: center; background: var(--fill-1);
  border: 1px solid var(--border-2); position: relative;
}
.uz-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.uz-ext {
  font-size: 12px; font-weight: 700; color: #fff; letter-spacing: .5px;
  background: var(--primary); padding: 4px 6px; border-radius: 4px;
}
.uz-meta { flex: 1; min-width: 0; }
.uz-name { font-size: 14px; color: var(--text-1); }
.uz-name a { color: inherit; }
.uz-name a:hover { color: var(--primary); }
.uz-info { font-size: 12px; color: var(--text-3); margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.uz-del {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: var(--radius-sm);
  border: none; background: transparent; color: var(--text-3); font-size: 20px; line-height: 1;
  cursor: pointer; transition: .15s var(--ease);
}
.uz-del:hover { background: var(--error-bg); color: var(--error); }
.uz-empty { text-align: center; color: var(--text-3); padding: 30px 0; font-size: 13px; border: 1px dashed var(--border); border-radius: var(--radius-sm); }
.uz-uploading { border-style: dashed; }
.uz-spin {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2.5px solid var(--primary-bg-2); border-top-color: var(--primary);
  animation: uz-spin .7s linear infinite; box-sizing: border-box;
}
@keyframes uz-spin { to { transform: rotate(360deg); } }
.uz-bar { display: block; width: 100%; height: 6px; background: var(--fill-1); border-radius: 4px; overflow: hidden; }
.uz-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--primary), #69b1ff); transition: width .2s var(--ease); }

/* ----------------------------- 表单校验 ----------------------------- */
.field.req-err input,
.field.req-err select,
.field.req-err textarea {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 3px rgba(255,77,79,.12) !important;
}
.form-err { font-size: 12px; color: var(--error); margin-top: 2px; }

/* ----------------------------- 响应式 ----------------------------- */
@media (max-width: 880px) {
  .login-aside { display: none; }
  .login-main { background: linear-gradient(150deg, #0a1c38, #1677ff); }
  .login-card { background: rgba(255,255,255,.96); }
}

/* 响应式：平板 & 手机 */
@media (max-width: 768px) {
  .side { width: 64px; }
  .side-logo { padding: 12px 8px; font-size: 0; }
  .side-nav a { justify-content: center; font-size: 0; gap: 0; padding: 12px 0; }
  .side-nav a svg { width: 22px; height: 22px; margin: 0; }
  .side-nav .nav-label { display: none; }
  .side:not(.collapsed) + .main { margin-left: 64px; }
  .view { padding: 12px; }
  .topbar { padding: 10px 16px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .summary { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  table.tbl { font-size: 12px; }
  table.tbl td, table.tbl th { padding: 5px 6px; white-space: normal; }
  .card { border-radius: 8px; }
  .card-head { padding: 12px 16px; font-size: 14px; }
  .modal { padding: 0; }
  .modal-content { margin: 0; max-width: 100%; border-radius: 0; max-height: 100vh; }
  .tag { font-size: 11px; padding: 1px 6px; }
}

/* ----------------------------- 全局搜索 ----------------------------- */
.gs-result-item {
  padding: 10px 12px; border-bottom: 1px solid var(--border-2);
  cursor: pointer; border-radius: var(--radius-sm);
  transition: background .15s var(--ease);
}
.gs-result-item:hover { background: var(--primary-bg); }
.gs-result-item:last-child { border-bottom: none; }

/* ----------------------------- AI用量监控 ----------------------------- */
.trend-chart { display: flex; align-items: flex-end; gap: 4px; height: 120px; padding: 8px 0; }

/* ----------------------------- 脱敏模式指示器 ----------------------------- */
.desensitize-on .view td,
.desensitize-on .view .money { filter: blur(3px); user-select: none; }
.desensitize-on .view td:hover,
.desensitize-on .view .money:hover { filter: none; }

/* ----------------------------- 押金台账到期高亮 ----------------------------- */
.deposit-expired { background: var(--error-bg) !important; }
.deposit-expiring { background: var(--warning-bg) !important; }

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .summary { grid-template-columns: 1fr; }
  .view { padding: 8px; }
  .topbar { flex-wrap: wrap; gap: 6px; }
  .topbar-title { font-size: 14px; }
  .btn { font-size: 12px; padding: 5px 10px; }
  .check-grid { grid-template-columns: 1fr; }
}

/* ----------------------------- 缺失样式类补充 ----------------------------- */
.f12 { font-size: 12px; }
.f14 { font-size: 14px; }
.c-sub { color: var(--text-3); }
.card-head {
  padding: 16px 22px; border-bottom: 1px solid var(--border-2); display: flex;
  align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 15px; font-weight: 600; color: var(--text-1);
}
.list-item {
  padding: 12px 16px; border: 1px solid var(--border-2); border-radius: var(--radius-sm);
  margin-bottom: 8px; transition: .18s var(--ease); background: #fff;
}
.list-item:hover { border-color: var(--primary-bg-2); box-shadow: var(--shadow-card); }
.tag-orange { background: var(--warning-bg); color: var(--text-warning); border-color: var(--warning-border); }
.tag-blue { background: var(--info-bg); color: var(--primary-active); border-color: #91D5FF; }
.tag-green { background: var(--success-bg); color: var(--text-success); border-color: var(--success-border); }

/* ----------------------------- 经营热力图网格 ----------------------------- */
.heat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 8px;
  padding: 8px 0;
}
.heat-cell {
  position: relative;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  min-height: 64px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  cursor: default;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.heat-cell:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-pop), inset 0 0 0 1px rgba(255,255,255,.2);
  z-index: 2;
}
.heat-no { font-size: 13px; font-weight: 600; letter-spacing: .3px; }
.heat-m { font-size: 11px; opacity: .92; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.heat-m.muted { opacity: .75; }

/* ----------------------------- 全局加载指示 ----------------------------- */
#loading {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 3000;
  pointer-events: none; opacity: 0; transition: opacity .2s var(--ease);
}
#loading.show { opacity: 1; }
#loading .loading-bar {
  height: 100%; width: 40%;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  animation: loading-slide 1s var(--ease) infinite;
}
@keyframes loading-slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ----------------------------- 回到顶部 ----------------------------- */
#to-top {
  position: fixed; right: 24px; bottom: 28px; z-index: 900;
  width: 42px; height: 42px; border-radius: 50%; background: var(--container);
  color: var(--text-2); box-shadow: var(--shadow-pop); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  opacity: 0; transform: translateY(12px) scale(.9); pointer-events: none;
  transition: .22s var(--ease);
}
#to-top.show { opacity: 1; transform: none; pointer-events: auto; }
#to-top:hover { color: var(--primary); border-color: var(--primary); }

/* =====================================================================
   深色主题（[data-theme="dark"]）
   ===================================================================== */
[data-theme="dark"] {
  --bg: #0f1420;
  --container: #1a2030;
  --fill-1: #232b3d;
  --fill-2: #1f2738;
  --border: #2c3447;
  --border-2: #2c3447;
  --text-1: #e6eaf2;
  --text-2: #aab3c5;
  --text-3: #7a869c;
  --sidebar-bg: #0b1020;
  --sidebar-bg-2: #0a0e1c;
  --sidebar-text: #aebfd6;
  --sidebar-text-2: #6c7f9e;
  --primary-bg: #16335c;
  --info-bg: #16335c;
  --success-bg: #14321f;
  --warning-bg: #3a2a12;
  --error-bg: #3a1a1c;
  --shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 2px 8px rgba(0,0,0,.36);
  --shadow-pop: 0 6px 16px rgba(0,0,0,.5);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.6);
}
[data-theme="dark"] body { background: var(--bg); color: var(--text-1); }
[data-theme="dark"] .card,
[data-theme="dark"] .kpi,
[data-theme="dark"] .login-card,
[data-theme="dark"] .modal,
[data-theme="dark"] .uz-item,
[data-theme="dark"] .list-item { background: var(--container); color: var(--text-1); }
[data-theme="dark"] .field input,
[data-theme="dark"] .field select,
[data-theme="dark"] .field textarea,
[data-theme="dark"] .search,
[data-theme="dark"] .login-form input { background: #131a28; color: var(--text-1); border-color: var(--border); }
[data-theme="dark"] table.tbl th { background: #1f2738; color: var(--text-2); }
[data-theme="dark"] table.tbl tbody tr:hover td { background: #1d2638; }
[data-theme="dark"] .btn-default { background: #1f2738; color: var(--text-1); border-color: var(--border); }
[data-theme="dark"] .topbar,
[data-theme="dark"] .card-head,
[data-theme="dark"] .modal-head,
[data-theme="dark"] .modal-foot,
[data-theme="dark"] .warn-head,
[data-theme="dark"] .warn-foot { border-color: var(--border); }
[data-theme="dark"] .dropzone { background: #131a28; }
[data-theme="dark"] .perm-group { background: #131a28; border-color: var(--border); }

/* =====================================================================
   工作台 E 版 · 沉浸式 BI 大屏（岗位自适应）
   ===================================================================== */
.bi-wrap { display: flex; flex-direction: column; gap: 16px; }
.bi-greet { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  background: linear-gradient(120deg, #0b1f3a 0%, #123a75 70%, #1677ff 130%); color: #fff;
  border-radius: var(--radius-lg); padding: 20px 24px; }
.bi-greet h2 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: .5px; }
.bi-greet .bi-sub { color: rgba(255,255,255,.72); font-size: 13px; margin-top: 4px; }
.bi-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: 5px 14px; font-size: 13px; }
.bi-badge .av { width: 22px; height: 22px; border-radius: 50%; background: #fff; color: #0b1f3a;
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; }
.bi-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.bi-kpi { background: var(--container); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 16px 18px; position: relative; overflow: hidden; }
.bi-kpi .k-label { font-size: 12px; color: var(--text-3); margin-bottom: 6px; }
.bi-kpi .k-value { font-size: 24px; font-weight: 600; color: var(--text-1); letter-spacing: .5px; }
.bi-kpi .k-sub { font-size: 11px; color: var(--text-3); margin-top: 4px; }
.bi-kpi::after { content: ''; position: absolute; right: -14px; top: -14px; width: 64px; height: 64px;
  border-radius: 50%; background: var(--primary-bg); opacity: .55; }
.bi-kpi.kp-green::after { background: var(--success-bg); }
.bi-kpi.kp-orange::after { background: var(--warning-bg); }
.bi-kpi.kp-red::after { background: var(--error-bg); }
.bi-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; }
.bi-card { background: var(--container); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }
.bi-card .c-title { font-size: 14px; font-weight: 600; color: var(--text-1); }
.bi-bar-row { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.bi-bar-row .lbl { width: 64px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bi-bar-row .track { flex: 1; height: 10px; border-radius: 5px; background: var(--fill-1); overflow: hidden; }
.bi-bar-row .fill { height: 100%; border-radius: 5px; background: #1677ff; min-width: 2px; }
.bi-bar-row .fill.g { background: #52c41a; } .bi-bar-row .fill.o { background: #fa8c16; } .bi-bar-row .fill.r { background: #ff4d4f; }
.bi-bar-row .val { width: 84px; text-align: right; color: var(--text-1); font-weight: 500; }
.bi-warn-bar { display: flex; align-items: center; gap: 8px; overflow: hidden; white-space: nowrap;
  background: var(--warning-bg); border: 1px solid var(--warning-border); border-radius: var(--radius);
  padding: 8px 14px; font-size: 12px; color: #ad6800; }
.bi-warn-bar .wi { flex: 0 0 auto; }
.bi-warn-bar .wt { overflow: hidden; text-overflow: ellipsis; }
.bi-todo { display: flex; gap: 8px; flex-wrap: wrap; }
.bi-todo .todo { display: inline-flex; align-items: center; gap: 6px; background: var(--container);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 7px 12px; font-size: 12px;
  color: var(--text-2); cursor: pointer; transition: .15s var(--ease); }
.bi-todo .todo:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-bg); }
.bi-todo .todo b { color: var(--primary); font-weight: 600; }
.bi-todo .todo.r b { color: var(--error); }
@media (max-width: 1100px) {
  .bi-kpis { grid-template-columns: repeat(2, 1fr); }
  .bi-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .bi-kpis { grid-template-columns: 1fr 1fr; }
  .bi-grid { grid-template-columns: 1fr; }
}

/* ===== 财务报表·标签切换 ===== */
.report-tabs { display: flex; gap: 4px; margin: 0 0 16px 0; padding: 4px; background: var(--bg-2, #f5f7fa); border-radius: 8px; }
.report-tab { padding: 6px 18px; border: none; background: transparent; border-radius: 6px;
  font-size: 13px; color: var(--text-2, #5a6675); cursor: pointer; transition: .15s; }
.report-tab:hover { color: var(--primary, #1677FF); }
.report-tab.active { background: #fff; color: var(--primary, #1677FF); font-weight: 600; box-shadow: 0 1px 3px rgba(0,0,0,.08); }

/* ===== 响应式增强 ===== */
@media (max-width: 1100px) {
  .sidebar { width: 220px; }
  .sidebar.collapsed { width: 56px; }
  .topbar { padding: 0 16px; }
  #view { padding: 16px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .card { padding: 16px; }
}
@media (max-width: 768px) {
  .sidebar { width: 200px; }
  .topbar { padding: 0 12px; font-size: 13px; }
  #view { padding: 12px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .kpi { padding: 14px 12px; }
  .kpi .k-value { font-size: 22px; }
  .card { padding: 14px; border-radius: 6px; }
  .card-head { font-size: 15px; }
  .report-tab { padding: 5px 12px; font-size: 12px; }
  table.tbl { font-size: 12px; }
  table.tbl th, table.tbl td { padding: 8px 10px; }
}
@media (max-width: 640px) {
  .sidebar { width: 56px; }
  .side-label { display: none; }
  .side-caret { display: none; }
  .side-ghead { justify-content: center; padding: 12px 0; }
  .side-sub { padding-left: 0; }
  .side-subitem { padding: 8px 0; text-align: center; font-size: 11px; }
  .topbar { padding: 0 10px; }
  #view { padding: 10px; }
  .kpi-grid { grid-template-columns: 1fr; gap: 8px; }
  .kpi { padding: 12px 10px; }
  .kpi .k-value { font-size: 20px; }
  .report-tabs { flex-wrap: wrap; }
  .report-tab { flex: 1; min-width: 50px; text-align: center; padding: 4px 8px; }
  .card { padding: 12px; }
  .table-wrap { border-radius: 4px; }
  .modal { max-width: 95vw; margin: 5vh auto; }
  .modal-head { font-size: 15px; padding: 12px 16px; }
  .modal-body { padding: 16px; }
}

/* fluid 弹性字体缩放（rem 基准由浏览器/用户设置决定）*/
html { font-size: 16px; }
body { font-size: .875rem; }
h1,h2,h3,h4 { line-height: 1.3; }
.topbar { font-size: .875rem; }
.kpi .k-value { font-size: 1.75rem; }
.kpi .k-label { font-size: .75rem; }

/* ===== 建议1：工具栏分组 ===== */
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 0 0 12px 0; }
.toolbar > span { font-weight: 600; font-size: 15px; flex-shrink: 0; }
.toolbar .t-split { width: 1px; height: 24px; background: var(--border); margin: 0 8px; flex-shrink: 0; }
.toolbar .t-group { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.toolbar input[type="text"] { width: 180px; padding: 5px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }

/* ===== 建议4：固定表头 + hover 高亮 ===== */
.table-wrap { overflow-x: auto; max-height: 60vh; }
.table-wrap thead { position: sticky; top: 0; z-index: 2; }
.tbl tbody tr { transition: background .12s; }
.tbl tbody tr:hover { background: #e6f0ff; }
.tbl tbody tr.selected { background: #d6e4ff; }
.tbl th.sortable { cursor: pointer; user-select: none; }
.tbl th.sortable:hover { color: var(--primary); }
.tbl th.sort-asc::after { content:' ↑'; color: var(--primary); }
.tbl th.sort-desc::after { content:' ↓'; color: var(--primary); }

/* ===== 建议5：骨架屏 ===== */
.skeleton { background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 4px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 12px; padding: 10px 14px; }
.skeleton-row .sk { height: 14px; }

/* ===== 建议8：表单实时校验 ===== */
.field input.error, .field select.error, .field textarea.error { border-color: var(--error) !important; background: #fff2f0; }
.field .err-msg { color: var(--error); font-size: 12px; margin-top: 3px; display: none; }
.field.error .err-msg { display: block; }

/* ===== 建议10：面包屑 ===== */
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-2); }
.breadcrumb a { color: var(--text-2); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--text-1); font-weight: 600; }

/* ===== 建议11：空状态 ===== */
.empty { text-align: center; padding: 40px 20px; color: var(--text-3); font-size: 14px; }
.empty svg { width: 80px; height: 80px; opacity: .3; margin-bottom: 12px; }
.empty .empty-btn { margin-top: 12px; }

/* ===== 建议12：右侧抽屉 ===== */
.drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 998; animation: fadeIn .2s; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: 520px; max-width: 90vw; background: var(--bg); box-shadow: -4px 0 24px rgba(0,0,0,.08); z-index: 999; animation: slideInRight .25s ease-out; display: flex; flex-direction: column; }
@keyframes slideInRight { from { transform: translateX(100%); } to { transform: translateX(0); } }
.drawer-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.drawer-body { flex: 1; overflow-y: auto; padding: 20px; }
.drawer-close { border: none; background: none; font-size: 20px; cursor: pointer; color: var(--text-2); padding: 4px 8px; border-radius: 4px; }
.drawer-close:hover { background: var(--bg-2); }

/* ===== 建议13：紧凑模式 ===== */
body.compact .tbl th, body.compact .tbl td { padding: 6px 10px; font-size: 12px; }
body.compact .card { padding: 12px; }
body.compact .list-item { padding: 8px 12px; }
.compact-toggle { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; font-size: 12px; color: var(--text-2); padding: 2px 8px; border-radius: 4px; border: 1px solid var(--border); }
.compact-toggle:hover { background: var(--bg-2); }
.compact-toggle input { width: 14px; height: 14px; accent-color: var(--primary); }

/* ===== 建议14：侧边栏折叠 tooltip ===== */
.sidebar.collapsed .side-subitem { position: relative; }
.sidebar.collapsed .side-subitem:hover::after { content: attr(data-label); position: absolute; left: 100%; top: 50%; transform: translateY(-50%); background: #333; color: #fff; padding: 4px 10px; border-radius: 4px; font-size: 12px; white-space: nowrap; z-index: 10; margin-left: 8px; }

/* ===== 建议15：状态标签统一色板 ===== */
.tag.ok { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.tag.warn { background: #fffbe6; color: #faad14; border: 1px solid #ffe58f; }
.tag.err { background: #fff2f0; color: #f5222d; border: 1px solid #ffccc7; }
.tag.info { background: #e6f7ff; color: #1677ff; border: 1px solid #91d5ff; }
.tag.neutral { background: #fafafa; color: #8c8c8c; border: 1px solid #d9d9d9; }

/* ===== 建议16：表单统一 ===== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .field { display: flex; flex-direction: column; }
.form-grid .field label { font-size: 13px; margin-bottom: 4px; color: var(--text-2); }
.form-grid .field label .required { color: var(--error); }
.form-grid input, .form-grid select, .form-grid textarea { padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; outline: none; transition: border .15s; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(22,119,255,.12); }
.form-grid textarea { resize: vertical; min-height: 60px; }

/* ===== 建议17：移动端卡片列表（<768px） ===== */
@media (max-width: 768px) {
  .form-grid { grid-template-columns: 1fr; }
  .drawer { width: 100vw; max-width: 100vw; }
  .toolbar { gap: 6px; }
  .toolbar input[type="text"] { width: 120px; }
}
@media (max-width: 640px) {
  .list-item { flex-direction: column; align-items: flex-start !important; gap: 8px; }
  .list-item > div:last-child { display: flex; gap: 6px; flex-wrap: wrap; }
  .kpi-grid { grid-template-columns: 1fr; }
}

/* ===== 建议18：暗黑模式增强 ===== */
body.dark { --bg: #0f1419; --bg-2: #1a2430; --border: #2d3a4a; --text-1: #e8edf2; --text-2: #8a95a5; --text-3: #5a6675; --primary-bg: #0d2b52; }
body.dark .card { background: var(--bg-2); box-shadow: 0 1px 4px rgba(0,0,0,.3); }
body.dark .tbl thead { background: #1a2430; }
body.dark .tbl tbody tr:hover { background: #1a2b3c; }
body.dark .tbl tbody tr.selected { background: #0d2b52; }
body.dark .modal, body.dark .drawer { background: var(--bg-2); }
body.dark input, body.dark select, body.dark textarea { background: #1a2430; color: var(--text-1); border-color: var(--border); }
body.dark .btn-ghost { color: var(--text-2); }
body.dark .btn-ghost:hover { color: var(--text-1); background: #1a2b3c; }
body.dark .skeleton { background: linear-gradient(90deg, #1a2430 25%, #2d3a4a 50%, #1a2430 75%); background-size: 200% 100%; }
body.dark .empty { color: var(--text-3); }

/* ===== toast undo 按钮 ===== */
.toast-undo { margin-left: 12px; padding: 2px 10px; border: 1px solid rgba(255,255,255,.6); border-radius: 4px; background: transparent; color: #fff; cursor: pointer; font-size: 12px; font-weight: 600; white-space: nowrap; }
.toast-undo:hover { background: rgba(255,255,255,.15); }

/* ===== 紧凑模式切换 ===== */
.compact-toggle-wrap { display: inline-flex; align-items: center; margin-left: auto; }