/* ==========================================================================
   Exchange Hub — 交换学生管理系统 / 设计系统与组件样式
   移动端优先，桌面增强。Light theme。
   ========================================================================== */

:root {
  --bg: #f4f6fa;
  --bg-elev: #ffffff;
  --border: #e3e8f0;
  --border-strong: #cfd8e6;
  --text: #1a2233;
  --text-2: #4a566b;
  --text-muted: #6b7891;
  --primary: #2456d8;
  --primary-dark: #1a41ab;
  --primary-soft: #e8eefc;
  --accent: #0f8f8f;
  --accent-soft: #e2f4f4;
  --danger: #d92d20;
  --danger-soft: #fdeceb;
  --warn: #c77700;
  --warn-soft: #fdf3e2;
  --ok: #12864b;
  --ok-soft: #e5f6ec;
  --neutral-soft: #eef1f6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 4px 16px rgba(16, 24, 40, .05);
  --shadow-lg: 0 8px 40px rgba(16, 24, 40, .14);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
a { color: var(--primary); text-decoration: none; }

/* ---------- 通用排版 ---------- */
h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 20px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }
h4 { font-size: 14px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 12.5px; }
.text-xs { font-size: 11.5px; }
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mt-0 { margin-top: 0 } .mt-1 { margin-top: 6px } .mt-2 { margin-top: 12px } .mt-3 { margin-top: 18px } .mt-4 { margin-top: 26px }
.mb-0 { margin-bottom: 0 } .mb-1 { margin-bottom: 6px } .mb-2 { margin-bottom: 12px } .mb-3 { margin-bottom: 18px }
.row { display: flex; gap: 10px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.row.end { justify-content: flex-end; }
.grow { flex: 1 1 auto; min-width: 0; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.hide { display: none !important; }
.center { text-align: center; }
.right { text-align: right; }

/* ---------- 登录 ---------- */
.auth-wrap {
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background:
    radial-gradient(1000px 400px at 15% -10%, #dfe9ff 0%, transparent 60%),
    radial-gradient(900px 380px at 100% 0%, #dff3f2 0%, transparent 55%),
    var(--bg);
}
.auth-card {
  width: 100%; max-width: 400px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 26px 22px 22px;
}
.auth-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.auth-brand .logo {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 15px;
}
.auth-tabs { display: flex; gap: 4px; background: var(--neutral-soft); padding: 4px; border-radius: 10px; margin-bottom: 16px; }
.auth-tabs button {
  flex: 1; border: 0; background: transparent; padding: 7px 8px; border-radius: 7px;
  cursor: pointer; color: var(--text-muted); font-weight: 550;
}
.auth-tabs button.on { background: #fff; color: var(--text); box-shadow: var(--shadow); }
.auth-alt { text-align: center; margin-top: 14px; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 12px; }
.field > label { display: block; font-size: 12.5px; font-weight: 550; color: var(--text-muted); margin-bottom: 5px; }
.field .hint { font-size: 11.5px; color: var(--text-muted); margin-top: 4px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=tel], select, textarea {
  width: 100%; padding: 9px 11px;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: #fff; outline: none; transition: border-color .12s, box-shadow .12s;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(36, 86, 216, .12); }
textarea { resize: vertical; min-height: 76px; }
.f-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.f-grid > .field.full { grid-column: 1 / -1; }
@media (max-width: 560px) { .f-grid { grid-template-columns: 1fr; } }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: #fff; color: var(--text);
  cursor: pointer; font-weight: 550; white-space: nowrap;
  transition: background .12s, border-color .12s, opacity .12s;
}
.btn:hover { background: #f7f9fc; }
.btn:active { transform: translateY(.5px); }
.btn[disabled], .btn.disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.ok:hover { filter: brightness(.94); }
.btn.danger { background: #fff; border-color: #f3c3be; color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.danger.solid { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--primary); }
.btn.ghost:hover { background: var(--primary-soft); }
.btn.sm { padding: 5px 10px; font-size: 12.5px; border-radius: 7px; }
.btn.block { width: 100%; }
.btn.icon { padding: 7px 9px; }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600;
  background: var(--neutral-soft); color: var(--text-muted); white-space: nowrap;
}
.badge.blue { background: var(--primary-soft); color: var(--primary-dark); }
.badge.green { background: var(--ok-soft); color: var(--ok); }
.badge.amber { background: var(--warn-soft); color: var(--warn); }
.badge.red { background: var(--danger-soft); color: var(--danger); }
.badge.teal { background: var(--accent-soft); color: var(--accent); }

.card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px;
}
.card > .card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; }
.card.flush { padding: 0; overflow: hidden; }

/* ---------- 应用外壳 ---------- */
.app { min-height: 100dvh; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--border);
}
.topbar .brand { display: flex; align-items: center; gap: 9px; min-width: 0; }
.topbar .brand .logo {
  width: 30px; height: 30px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 12px;
}
.topbar .brand .t { font-weight: 650; font-size: 14.5px; }
.topbar .brand .s { font-size: 11px; color: var(--text-muted); }
.avatar {
  width: 32px; height: 32px; border-radius: 50%; flex: none;
  background: var(--primary-soft); color: var(--primary-dark);
  display: grid; place-items: center; font-weight: 650; font-size: 13px;
}
.bell { position: relative; }
.bell .dot {
  position: absolute; top: -2px; right: -2px; min-width: 16px; height: 16px; padding: 0 4px;
  border-radius: 999px; background: var(--danger); color: #fff; font-size: 10px; font-weight: 700;
  display: grid; place-items: center; border: 2px solid #fff;
}

.layout { flex: 1; display: flex; min-height: 0; }
.sidebar {
  width: 210px; flex: none; border-right: 1px solid var(--border);
  background: #fff; padding: 14px 10px; position: sticky; top: 53px; height: calc(100dvh - 53px);
  overflow: auto;
}
.sidebar .nav-group { font-size: 11px; font-weight: 650; color: var(--text-muted); padding: 10px 10px 6px; letter-spacing: .04em; }
.nav-item {
  display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 9px;
  color: var(--text); cursor: pointer; font-weight: 550; border: 0; background: transparent; width: 100%; text-align: left;
}
.nav-item:hover { background: var(--neutral-soft); }
.nav-item.on { background: var(--primary-soft); color: var(--primary-dark); }
.nav-item .ico { width: 18px; text-align: center; flex: none; }
.nav-item .cnt { margin-left: auto; }
.main { flex: 1; padding: 16px; min-width: 0; max-width: 100%; }
.main > .page { max-width: 1180px; margin: 0 auto; }
.page-head { display: flex; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.page-head .grow h1 { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.page-head .sub { color: var(--text-muted); font-size: 12.5px; margin-top: 3px; }

.bottomnav {
  display: none;
  position: sticky; bottom: 0; z-index: 40; background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px); border-top: 1px solid var(--border);
  padding: 4px 2px calc(4px + env(safe-area-inset-bottom));
}
.bottomnav .items { display: flex; }
.bottomnav .b-item {
  flex: 1; border: 0; background: transparent; padding: 5px 2px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  color: var(--text-muted); font-size: 10.5px; font-weight: 550;
}
.bottomnav .b-item .ico { font-size: 17px; line-height: 1; }
.bottomnav .b-item.on { color: var(--primary); }

@media (max-width: 860px) {
  .sidebar { display: none; }
  .bottomnav { display: block; }
  .main { padding: 12px 12px 12px; }
  h1 { font-size: 18px; }
}

/* ---------- KPI / 图表 ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.kpi { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 13px 14px; box-shadow: var(--shadow); }
.kpi .label { font-size: 12px; color: var(--text-muted); font-weight: 550; }
.kpi .value { font-size: 25px; font-weight: 700; letter-spacing: -.02em; margin-top: 2px; }
.kpi .foot { font-size: 11.5px; color: var(--text-muted); margin-top: 2px; }
.kpi.alert .value { color: var(--danger); }
.kpi.warn .value { color: var(--warn); }

.bars { display: flex; flex-direction: column; gap: 9px; }
.bar-row { display: grid; grid-template-columns: minmax(90px, 30%) 1fr auto; gap: 10px; align-items: center; font-size: 12.5px; }
.bar-track { background: var(--neutral-soft); border-radius: 999px; height: 8px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--primary), #4f7ee8); }
.bar-fill.teal { background: linear-gradient(90deg, var(--accent), #3fb3b3); }
.bar-row .num { font-variant-numeric: tabular-nums; font-weight: 600; }

/* ---------- 表格 ---------- */
.table-wrap { overflow: auto; border-radius: var(--radius); }
table.tbl { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }
table.tbl th, table.tbl td { padding: 9px 11px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
table.tbl th { background: #fafbfd; font-size: 12px; color: var(--text-muted); font-weight: 650; position: sticky; top: 0; z-index: 1; white-space: nowrap; }
table.tbl tbody tr:hover { background: #fafbfd; }
table.tbl td.actions { white-space: nowrap; text-align: right; }
table.tbl .sortable { cursor: pointer; user-select: none; }
@media (max-width: 700px) {
  table.tbl th, table.tbl td { padding: 8px 9px; font-size: 12.5px; }
}

.list-cards { display: flex; flex-direction: column; gap: 9px; }
.list-card {
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fff;
  padding: 11px 12px; cursor: pointer;
}
.list-card:active { background: #fafbfd; }
.list-card .lc-title { font-weight: 600; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.list-card .lc-meta { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.list-card .lc-tags { margin-top: 6px; display: flex; gap: 5px; flex-wrap: wrap; }

.empty { text-align: center; padding: 34px 16px; color: var(--text-muted); font-size: 13px; }
.empty .big { font-size: 30px; opacity: .45; margin-bottom: 6px; }

/* ---------- 工具栏 / 过滤 ---------- */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.toolbar input[type=text], .toolbar select { width: auto; min-width: 120px; }
.search { position: relative; flex: 1 1 180px; min-width: 150px; }
.search input { width: 100%; padding-left: 30px; }
.search .ico { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 13px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border-strong);
  background: #fff; cursor: pointer; font-size: 12.5px; font-weight: 550;
}
.chip.on { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- 抽屉 / 弹窗 ---------- */
.mask { position: fixed; inset: 0; background: rgba(16,24,40,.45); z-index: 60; display: flex; }
@media (max-width: 720px) {
  .mask { align-items: flex-end; }
}
.modal {
  background: var(--bg-elev); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  width: 100%; max-width: 620px; margin: auto; max-height: 88dvh; display: flex; flex-direction: column;
}
@media (max-width: 720px) {
  .modal { max-width: none; border-radius: 16px 16px 0 0; max-height: 92dvh; }
}
.modal .m-head { padding: 14px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.modal .m-body { padding: 16px; overflow: auto; }
.modal .m-foot { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.x-btn { border: 0; background: transparent; cursor: pointer; font-size: 20px; line-height: 1; color: var(--text-muted); padding: 2px 6px; border-radius: 6px; }
.x-btn:hover { background: var(--neutral-soft); }

.toasts { position: fixed; left: 50%; transform: translateX(-50%); bottom: 74px; z-index: 90; display: flex; flex-direction: column; gap: 8px; align-items: center; width: max-content; max-width: 92vw; }
@media (min-width: 861px) { .toasts { bottom: 24px; } }
.toast {
  background: #1a2233; color: #fff; padding: 9px 14px; border-radius: 10px; font-size: 13px;
  box-shadow: var(--shadow-lg); animation: toast-in .18s ease-out;
}
.toast.ok { background: #10603a; }
.toast.err { background: #9b1c14; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 提醒卡片 ---------- */
.rem { display: flex; gap: 10px; padding: 10px 12px; border: 1px solid var(--border); border-left-width: 3px; border-radius: var(--radius-sm); background: #fff; }
.rem.overdue { border-left-color: var(--danger); }
.rem.soon { border-left-color: var(--warn); }
.rem.upcoming { border-left-color: var(--primary); }
.rem.future { border-left-color: var(--border-strong); }
.rem .r-main { flex: 1; min-width: 0; }
.rem .r-title { font-weight: 600; }
.rem .r-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ---------- 进度 ---------- */
.progress { height: 7px; border-radius: 999px; background: var(--neutral-soft); overflow: hidden; }
.progress .p-fill { height: 100%; background: linear-gradient(90deg, var(--ok), #37b06d); border-radius: 999px; }
.progress .p-fill.mid { background: linear-gradient(90deg, var(--warn), #e3a03c); }
.progress .p-fill.low { background: linear-gradient(90deg, var(--danger), #f0705f); }

.check-line { display: flex; gap: 10px; align-items: flex-start; padding: 9px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fff; }
.check-line + .check-line { margin-top: 7px; }
.check-line input[type=checkbox] { width: 17px; height: 17px; margin: 2px 0 0; flex: none; accent-color: var(--primary); }
.check-line .c-body { flex: 1; min-width: 0; }
.check-line.done .c-title { color: var(--text-muted); text-decoration: line-through; }
.check-line .c-title { font-weight: 550; }
.check-line .c-desc { font-size: 12px; color: var(--text-muted); }

/* ---------- 证件照 ---------- */
.pv-frame { width: 78px; height: 104px; flex: none; border: 1px solid var(--border); border-radius: 8px;
  background: #f4f6fa; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.pv-frame .pv-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pv-fallback { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: #9aa6bb; font-weight: 700; font-size: 20px; letter-spacing: .04em; }
.stu-photo-cell { width: 36px; height: 48px; border-radius: 5px; overflow: hidden; flex: none;
  border: 1px solid var(--border); background: #f4f6fa; display: flex; align-items: center; justify-content: center; }
.stu-photo-cell img { width: 100%; height: 100%; object-fit: cover; display: block; }
.stu-photo-cell span { color: #9aa6bb; font-weight: 700; font-size: 12px; }
.card-head .pv-frame { width: 64px; height: 86px; }

/* ---------- 课程详情 · 跟进勾选网格（手机端） ---------- */
.chk-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 10px; }
.chk-item { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text); cursor: pointer; }
.chk-item input[type=checkbox] { width: 16px; height: 16px; flex: none; accent-color: var(--primary); }
@media (max-width: 420px) { .chk-grid { grid-template-columns: 1fr; } }

/* 表格里的跟进勾选列 */
.tbl td.chk, .tbl th.chk { text-align: center; }
.tbl td.chk input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }

/* ---------- 详情页 key-value ---------- */
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 7px 12px; font-size: 13px; }
.kv .k { color: var(--text-muted); }
@media (max-width: 560px) { .kv { grid-template-columns: 92px 1fr; } }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 14px; overflow-x: auto; }
.tabs button {
  border: 0; background: transparent; padding: 8px 12px; cursor: pointer; font-weight: 550;
  color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap;
}
.tabs button.on { color: var(--primary); border-bottom-color: var(--primary); }

.notice { padding: 10px 12px; border-radius: var(--radius-sm); font-size: 12.5px; display: flex; gap: 8px; align-items: flex-start; }
.notice.info { background: var(--primary-soft); color: var(--primary-dark); }
.notice.warn { background: var(--warn-soft); color: var(--warn); }
.notice.danger { background: var(--danger-soft); color: var(--danger); }
.notice.ok { background: var(--ok-soft); color: var(--ok); }
.notice code { background: rgba(0,0,0,.06); padding: 1px 5px; border-radius: 4px; font-size: 11.5px; font-family: ui-monospace, Menlo, Consolas, monospace; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* ---------- 筛选条 / 席位分布 ---------- */
.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; align-items: end; }
.filters .field { margin-bottom: 0; }
table.tbl th.num, table.tbl td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.tbl th.sticky-col, table.tbl td.sticky-col { position: sticky; left: 0; background: #fff; z-index: 2; }
table.tbl th.sticky-col { background: #fafbfd; }
.table-wrap { max-height: none; }
.card .table-wrap { border: 1px solid var(--border); }

/* ---------- Profile 打印样式 ---------- */
@media print {
  body { background: #fff; }
  .no-print { display: none !important; }
  .print-page { page-break-after: always; break-after: page; }
  .print-page:last-child { page-break-after: auto; break-after: auto; }
}
.profile-doc { max-width: 760px; margin: 0 auto; padding: 26px 30px; background: #fff; }
.profile-doc .p-head { border-bottom: 2px solid var(--primary); padding-bottom: 12px; margin-bottom: 16px; }
.profile-doc table { width: 100%; border-collapse: collapse; font-size: 13px; }
.profile-doc table th, .profile-doc table td { border: 1px solid #d8dfeb; padding: 7px 9px; text-align: left; }
.profile-doc table th { background: #f4f7ff; width: 130px; color: #33415c; }

/* ---------- 已结束课程：整行标灰 ---------- */
table.tbl tr.ended td { color: #9aa5b8; }
table.tbl tr.ended td:first-child { border-left: 3px solid #d6dce8; }
table.tbl tr.ended:hover td { color: var(--text-2); }
table.tbl tr.ended .badge { opacity: .7; }
table.tbl tr.ended div[style*="font-weight: 600"] { font-weight: 550; }
span.tag-ended {
  display: inline-block; margin-left: 6px; padding: 1px 6px; border-radius: 999px;
  font-size: 10.5px; font-weight: 600; color: #8a95a8; background: #eef1f6; border: 1px solid #dfe4ee;
  vertical-align: 1px; white-space: nowrap;
}
.list-card.ended { opacity: .62; }
.list-card.ended:hover { opacity: .9; }

/* ---------- 已结束课程的折叠区 ---------- */
.fold-wrap { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; background: #fafbfd; }
.fold-bar {
  width: 100%; display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  background: #f4f6fa; border: 0; border-bottom: 1px solid transparent; cursor: pointer;
  font-size: 13px; font-weight: 600; color: var(--text-2); text-align: left;
}
.fold-bar:hover { background: #eef1f6; }
.fold-bar b { color: var(--text); }
.fold-arrow { color: var(--text-muted); font-size: 12px; width: 12px; }
.fold-hint { margin-left: auto; font-size: 11.5px; font-weight: 500; color: var(--text-muted); }
.fold-body { padding: 0; }
.fold-body .table-wrap { border: 0; }
.fold-body .empty { padding: 18px; }