/* 图书馆座位数据看板 —— 无外部依赖，系统字体，离线可用 */

:root {
  --bg: #f4f6f3;
  --panel: #ffffff;
  --ink: #101714;
  --ink-2: #2c3733;
  --muted: #6d7a75;
  --faint: #93a09b;
  --line: #dde3de;
  --line-strong: #c3ccc6;
  --accent: #0e6b57;
  --accent-soft: #e6f1ec;
  --warn: #9a6417;
  --warn-soft: #fdf3e2;
  --bad: #a5342c;
  --bad-soft: #fbeae8;
  --sample: #b26a00;
  --sample-soft: #fff3dd;

  --heat-4: #e4f1ea;
  --heat-3: #eff4e6;
  --heat-2: #fbf2e1;
  --heat-1: #fae9e7;
  --heat-ph: #eceeec;

  --mono: "JetBrains Mono", "Cascadia Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;

  --radius: 4px;
  --shadow: 0 1px 0 rgba(16, 23, 20, .04), 0 12px 28px -20px rgba(16, 23, 20, .35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 158px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.62 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

code, .num, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

code {
  font-size: .92em;
  background: #eef1ee;
  padding: .08em .34em;
  border-radius: 3px;
  color: var(--ink-2);
}

button { font: inherit; color: inherit; cursor: pointer; }

a { color: var(--accent); text-decoration: none; }

/* ---------------------------------------------------------------- 示例横幅 */
.sample-banner[hidden] { display: none; }   /* 作者样式的 display:flex 会盖掉 UA 的 [hidden] */

.sample-banner {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 28px;
  background: repeating-linear-gradient(135deg, #fff4de 0 14px, #ffefd0 14px 28px);
  border-bottom: 1px solid #f0d9ae;
  color: #6f4600;
  font-size: 12.5px;
}
.sample-banner strong {
  font-family: var(--mono);
  letter-spacing: .16em;
  font-size: 12px;
  color: #fff;
  background: var(--sample);
  padding: 2px 8px;
  border-radius: 2px;
  transform: translateY(-1px);
}

/* ---------------------------------------------------------------- 顶栏 */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(250, 251, 249, .93);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 28px 14px;
  display: flex;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}
h1 {
  margin: 0;
  font-size: 25px;
  font-weight: 650;
  letter-spacing: -.01em;
  line-height: 1.2;
}
.sub { margin: 3px 0 0; color: var(--muted); font-size: 12.5px; }

.topbar-right { display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }

/* 口径提醒条：粘在顶栏底部，永远可见 */
.pinbar {
  display: flex;
  gap: 8px;
  align-items: baseline;
  flex-wrap: wrap;
  padding: 7px 28px 8px;
  border-top: 1px solid var(--line);
  background: #fbfaf6;
  color: #4b463a;
  font-size: 11.5px;
  line-height: 1.5;
}
.pinbar b { color: #7a3d13; font-weight: 600; }
.pinbar code { background: #f1ece1; }
.pin-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: #fff;
  background: #8a5a1b;
  padding: 1px 7px;
  border-radius: 2px;
  transform: translateY(-1px);
}
.pin-sep { color: var(--line-strong); }.viewnav { display: flex; gap: 4px; }
.viewnav a {
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--muted);
  border: 1px solid transparent;
}
.viewnav a:hover { color: var(--ink); background: #fff; border-color: var(--line); }
.viewnav a.active { color: var(--accent); background: var(--accent-soft); border-color: #cfe2d9; }

.status-strip { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.chip {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}
.chip-mode { background: var(--accent-soft); border-color: #cfe2d9; color: var(--accent); }
.chip-mode.is-sample { background: var(--sample-soft); border-color: #efd6ab; color: #7a4c00; }
.is-stale { border-color: #e8b4ae; color: var(--bad); background: #fdf1ef; }

.icon-btn {
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--ink-2);
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ---------------------------------------------------------------- 布局 */
main { max-width: 1440px; margin: 0 auto; padding: 0 28px 64px; }

.section { padding-top: 34px; scroll-margin-top: 108px; }

.section-head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
  margin-bottom: 18px;
}
.sec-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  padding-top: 3px;
  letter-spacing: .08em;
}
.sec-title h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .01em;
}
.sec-title p { margin: 3px 0 0; color: var(--muted); font-size: 12.5px; }
.sec-side { font-size: 12px; color: var(--muted); text-align: right; padding-top: 2px; }

.section-body { position: relative; }

.banner {
  max-width: 1440px;
  margin: 16px auto 0;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
}
.banner-error { background: var(--bad-soft); border: 1px solid #e8b4ae; color: #6f221c; }

/* ---------------------------------------------------------------- 总览 */
.overview-top {
  display: grid;
  grid-template-columns: minmax(320px, 1.2fr) repeat(3, minmax(120px, .55fr));
  gap: 12px;
  margin-bottom: 12px;
}
.kpi-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 14px;
  box-shadow: var(--shadow);
}
.kpi-label { font-size: 11.5px; color: var(--muted); letter-spacing: .04em; }
.kpi-big {
  font-family: var(--mono);
  font-size: 46px;
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -.02em;
  margin: 2px 0 0;
}
.kpi-big small { font-size: 15px; font-weight: 400; color: var(--muted); letter-spacing: 0; margin-left: 6px; }
.kpi-note { font-size: 12px; color: var(--muted); margin-top: 6px; }
.kpi-small { display: flex; flex-direction: column; justify-content: space-between; }
.kpi-small .v { font-family: var(--mono); font-size: 22px; font-weight: 600; margin-top: 4px; }
.kpi-small .v small { font-size: 11px; color: var(--muted); font-weight: 400; }

.util-bar {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: #e9ede9;
  overflow: hidden;
  margin-top: 12px;
}
.util-bar i { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.util-scale { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10px; color: var(--faint); margin-top: 4px; }

.lib-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.lib-card {
  position: relative;
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px 12px;
  box-shadow: var(--shadow);
  transition: border-color .15s, transform .15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 178px;
}
.lib-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.lib-card.is-placeholder { background: #f7f8f6; }
.lib-card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.lib-name { font-size: 14.5px; font-weight: 600; }
.lib-head-right { display: inline-flex; align-items: center; gap: 6px; }
.lib-tag { font-family: var(--mono); font-size: 10px; color: var(--faint); }
.lib-flag {
  font-family: var(--mono);
  font-size: 9.5px;
  color: #8a2f28;
  background: #fbeae8;
  border: 1px solid #eec9c4;
  border-radius: 999px;
  padding: 0 6px;
  white-space: nowrap;
  cursor: help;
}
.lib-main { display: flex; align-items: baseline; gap: 6px; }
.lib-remaining { font-family: var(--mono); font-size: 30px; font-weight: 600; letter-spacing: -.02em; }
.lib-total { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.lib-bar { height: 5px; background: #edf0ec; border-radius: 999px; overflow: hidden; }
.lib-bar i { display: block; height: 100%; background: var(--accent); }
.lib-spark { height: 34px; margin-top: 2px; }
.lib-spark svg { display: block; width: 100%; height: 100%; overflow: visible; }
.lib-foot { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--muted); margin-top: auto; }
.lib-enter { color: var(--accent); font-size: 11.5px; }
.is-stale-text { color: var(--bad); font-weight: 600; }
/* 单馆掉线（滞后 > 5 分钟）：整卡左缘警示，但不用整块红底盖住数字 */
.lib-card.is-lagging { border-color: #e0a9a2; box-shadow: inset 3px 0 0 #b4473c, var(--shadow); }

/* ---------------------------------------------------------------- 钻取 */
.crumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.crumbs button {
  background: none;
  border: 0;
  padding: 2px 4px;
  color: var(--accent);
  font-size: 12.5px;
}
.crumbs button:hover { text-decoration: underline; }
.crumbs .sep { color: var(--faint); }
.crumbs .here { color: var(--ink); font-weight: 600; }

.drill-grid { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 16px; align-items: start; }

.floor-list {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.floor-list-head {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
}
.floor-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  border-bottom: 1px solid #edf0ed;
  background: transparent;
  padding: 10px 12px;
  transition: background .12s;
}
.floor-item:last-child { border-bottom: 0; }
.floor-item:hover { background: #f7f9f7; }
.floor-item.active { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
.floor-item.is-placeholder { color: var(--faint); }
.floor-row1 { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.floor-name { font-size: 13px; font-weight: 600; }
.floor-num { font-family: var(--mono); font-size: 12px; }
.floor-num em { font-style: normal; color: var(--muted); font-size: 10.5px; }
.floor-mini { height: 4px; background: #edf0ec; border-radius: 999px; margin-top: 6px; overflow: hidden; }
.floor-mini i { display: block; height: 100%; background: var(--accent); }

.region-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  gap: 12px;
}
.region-head h3 { margin: 0; font-size: 14px; font-weight: 600; }
.region-head .meta { font-size: 11.5px; color: var(--muted); }
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(172px, 1fr));
  gap: 10px;
}
.region-cell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 12px 10px;
  overflow: hidden;
  background: var(--panel);
  position: relative;
  min-height: 104px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.region-cell .r-name { font-size: 12.5px; font-weight: 600; line-height: 1.3; }
.region-cell .r-num { font-family: var(--mono); font-size: 24px; font-weight: 600; line-height: 1.1; }
.region-cell .r-num span { font-size: 11px; color: var(--muted); font-weight: 400; }
.region-cell .r-bar { height: 4px; border-radius: 999px; background: rgba(0,0,0,.06); overflow: hidden; }
.region-cell .r-bar i { display: block; height: 100%; }
.region-cell .r-foot { font-size: 10.5px; color: var(--muted); margin-top: auto; display: flex; justify-content: space-between; }
.region-cell.is-clickable { cursor: pointer; transition: border-color .15s, transform .15s; }
.region-cell.is-clickable:hover { border-color: var(--accent); transform: translateY(-1px); }

.region-cell.h4 { background: var(--heat-4); }
.region-cell.h3 { background: var(--heat-3); }
.region-cell.h2 { background: var(--heat-2); }
.region-cell.h1 { background: var(--heat-1); }
.region-cell.h4 .r-bar i { background: #1c7a5c; }
.region-cell.h3 .r-bar i { background: #57934b; }
.region-cell.h2 .r-bar i { background: #b07d2e; }
.region-cell.h1 .r-bar i { background: #b23c31; }

.region-cell.noobs {
  background: #fafbfa;
  border-style: dashed;
  border-color: var(--line-strong);
  color: var(--muted);
}
.region-cell.noobs .r-num { font-size: 15px; font-weight: 500; color: #7b8782; }
.floor-item.no-obs .floor-num { color: var(--bad); }

.region-cell.placeholder {
  background:
    repeating-linear-gradient(135deg, #f2f3f1 0 6px, #e9ebe8 6px 12px);
  color: var(--muted);
  border-style: dashed;
}
.region-cell.placeholder .r-num { font-size: 14px; font-weight: 500; }

.ph-inline {
  background: repeating-linear-gradient(135deg, #eee 0 4px, #e3e4e1 4px 8px);
  padding: 0 5px;
  border-radius: 2px;
}

.drill-note {
  margin-top: 12px;
  font-size: 11.5px;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.drill-note b { color: var(--ink-2); font-weight: 600; }

.r-spark { height: 26px; margin-top: 1px; }
.r-spark svg { display: block; width: 100%; height: 100%; overflow: visible; }

.floorbars { margin-top: 14px; }
.fb-list { display: flex; flex-direction: column; gap: 7px; }
.fb-row { display: grid; grid-template-columns: 62px minmax(0, 1fr) 96px; gap: 12px; align-items: center; }
.fb-row.ph { opacity: .55; }
.fb-name { font-size: 12px; color: var(--ink-2); }
.fb-track { height: 9px; background: #edf0ec; border-radius: 999px; overflow: hidden; }
.fb-track i { display: block; height: 100%; border-radius: 999px; }
.fb-num { font-family: var(--mono); font-size: 11px; color: var(--muted); text-align: right; }

/* ---------------------------------------------------------------- 时序工具栏 */
.timeline-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.seg {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  overflow: hidden;
  background: #fff;
}
.seg button {
  border: 0;
  background: transparent;
  padding: 5px 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  border-right: 1px solid var(--line);
}
.seg button:last-child { border-right: 0; }
.seg button.active { background: var(--accent); color: #fff; }
.seg button:not(.active):hover { background: var(--accent-soft); color: var(--accent); }

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: #fff;
  padding: 4px 9px;
  cursor: pointer;
}
.toggle input { accent-color: var(--accent); margin: 0; }

.hint { font-size: 11.5px; color: var(--faint); }

.timeline-wrap { display: grid; grid-template-columns: 244px minmax(0, 1fr); gap: 14px; align-items: start; }

.node-picker {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  max-height: 470px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.node-picker input[type="search"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 5px 8px;
  font: 12px var(--sans);
  background: #fbfcfb;
}
.node-picker input[type="search"]:focus { outline: 2px solid #cfe2d9; border-color: var(--accent); }
.node-list { overflow: auto; flex: 1; padding-right: 2px; }
.node-group { margin-bottom: 6px; }
.node-group-selected {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding-bottom: 5px;
  margin-bottom: 7px;
}
.node-opt.lv-floor { padding-left: 17px; }
.node-opt.lv-region { padding-left: 30px; font-size: 11.5px; }
.node-group-label {
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--faint);
  font-family: var(--mono);
  padding: 3px 4px;
}
.node-opt {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 5px;
  border-radius: 3px;
  font-size: 12px;
  cursor: pointer;
  color: var(--ink-2);
}
.node-opt:hover { background: #f5f8f5; }
.node-opt input { margin: 0; accent-color: var(--accent); }
.node-opt .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.node-opt .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.node-opt.is-placeholder .nm { color: var(--faint); }

.chart-stack { min-width: 0; }
.chart-block { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
#seat-chart { border-bottom: 0; border-radius: var(--radius) var(--radius) 0 0; }
#weather-chart { border-bottom: 0; }
#calendar-band { border-radius: 0 0 var(--radius) var(--radius); }
.chart-block svg { display: block; width: 100%; }

.chart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 240px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding: 24px;
}
.chart-empty strong { color: var(--ink-2); font-size: 14px; }

.legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 11.5px;
  color: var(--muted);
  padding: 8px 2px 0;
  align-items: center;
}
.legend .item { display: inline-flex; align-items: center; gap: 6px; }
.legend .swatch { width: 18px; height: 3px; border-radius: 2px; display: inline-block; }
.legend .dash { width: 18px; height: 0; border-top: 2px dashed #7f8b86; }
.legend .hatch {
  width: 18px; height: 10px;
  background: repeating-linear-gradient(135deg, #e7d3d0 0 3px, #f6eeec 3px 6px);
  border: 1px solid #e2cbc7;
}

.cal-legend {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 6px 14px 8px 56px;
  border-top: 1px solid #f1f3f1;
  font-size: 10.5px;
  color: var(--faint);
}
.cal-legend .lab { font-family: var(--mono); letter-spacing: .06em; }
.cal-legend .item { display: inline-flex; align-items: center; gap: 5px; opacity: .38; }
.cal-legend .item.on { opacity: 1; color: var(--ink-2); }
.cal-legend .item i { width: 10px; height: 10px; border-radius: 2px; border: 1px solid; display: inline-block; }
.cal-legend .hint { margin-left: auto; }

/* ---------------------------------------------------------------- 悬浮提示 */
.tooltip {
  position: fixed;
  z-index: 60;
  pointer-events: none;
  background: rgba(16, 23, 20, .95);
  color: #f3f6f3;
  border-radius: 4px;
  padding: 9px 11px;
  font-size: 11.5px;
  line-height: 1.55;
  min-width: 150px;
  max-width: 300px;
  box-shadow: 0 8px 24px -12px rgba(0,0,0,.5);
}
.tooltip .tt-time { font-family: var(--mono); font-size: 11px; color: #b9c6c0; margin-bottom: 5px; }
.tooltip .tt-row { display: flex; justify-content: space-between; gap: 12px; }
.tooltip .tt-row b { font-family: var(--mono); font-weight: 600; }
.tooltip .tt-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 5px; }
.tooltip .tt-note { color: #9fb0a9; font-size: 10.5px; margin-top: 4px; }

/* ---------------------------------------------------------------- 质量 */
.q-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.q-kpi {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 13px;
}
.q-kpi .lab { font-size: 11px; color: var(--muted); }
.q-kpi .val { font-family: var(--mono); font-size: 21px; font-weight: 600; margin-top: 2px; }
.q-kpi .sub { font-size: 10.5px; color: var(--faint); }
.q-kpi.is-warn { border-color: #ecd3ac; background: #fffcf6; }
.q-kpi.is-bad { border-color: #e8b4ae; background: #fdf6f5; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  gap: 12px;
}
.panel-head h3 { margin: 0; font-size: 13px; font-weight: 600; }
.panel-head .meta { font-size: 11px; color: var(--muted); }
.panel-body { padding: 12px 14px; }

.q-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 12px; align-items: start; }

table.q-table { width: 100%; border-collapse: collapse; font-size: 12px; }
table.q-table th {
  text-align: left;
  font-weight: 500;
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: .04em;
  padding: 6px 6px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
table.q-table td { padding: 6px 6px; border-bottom: 1px solid #eff2ef; vertical-align: middle; white-space: nowrap; }
table.q-table tr:last-child td { border-bottom: 0; }
table.q-table td.d { font-family: var(--mono); font-size: 11px; }
table.q-table td.n { font-family: var(--mono); text-align: right; }
table.q-table tr.is-gap td { background: #fdf6f5; }

.covbars { display: flex; flex-direction: column; gap: 3px; min-width: 120px; }
.covbars .row { display: flex; align-items: center; gap: 6px; }
.covbars .lv { font-family: var(--mono); font-size: 9px; color: var(--faint); width: 26px; }
.covbars .track { flex: 1; height: 4px; background: #edf0ec; border-radius: 999px; overflow: hidden; }
.covbars .track i { display: block; height: 100%; background: #4f8a4a; }
.covbars .track i.low { background: #b07d2e; }
.covbars .track i.bad { background: #b23c31; }

.phase-chip {
  display: inline-block;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.phase-in_term { background: #e4f1ea; color: #235f47; border-color: #cfe4d9; }
.phase-exam { background: #f8e7cd; color: #7a5312; border-color: #efd3a8; }
.phase-holiday { background: #f8dddd; color: #8a2f28; border-color: #eec4c0; }
.phase-vacation { background: #e2eaf6; color: #34557f; border-color: #cbd9ee; }
.phase-makeup_workday { background: #eee0f6; color: #5d3a76; border-color: #ddc9ea; }
.phase-pre_term, .phase-unknown { background: #eceeec; color: #5c6661; border-color: #dde1dd; }

.issue-list { display: flex; flex-direction: column; gap: 6px; margin: 0; padding: 0; list-style: none; }
.issue-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  padding: 5px 0;
  border-bottom: 1px solid #eff2ef;
}
.issue-list li:last-child { border-bottom: 0; }
.issue-list .k { color: var(--ink-2); }
.issue-list .v { font-family: var(--mono); font-weight: 600; }
.issue-list .v.bad { color: var(--bad); }
.issue-list .v.warn { color: var(--warn); }

.warn-list { display: flex; flex-direction: column; gap: 8px; }
.warn-item {
  display: flex;
  gap: 9px;
  font-size: 12px;
  line-height: 1.5;
  padding: 8px 10px;
  border-radius: 3px;
  background: #fbf8f1;
  border: 1px solid #efe1c8;
  color: #5f4718;
}
.warn-item .code { font-family: var(--mono); font-size: 10px; color: #8a6a2a; white-space: nowrap; }

.cons-rows { display: flex; flex-direction: column; gap: 0; }
.cons-row {
  display: grid;
  grid-template-columns: minmax(80px, 1.4fr) repeat(3, minmax(52px, .8fr)) minmax(66px, .9fr);
  gap: 8px;
  font-size: 11.5px;
  padding: 6px 0;
  border-bottom: 1px solid #eff2ef;
  align-items: baseline;
}
.cons-row:last-child { border-bottom: 0; }
.cons-row.head { color: var(--muted); font-size: 10.5px; border-bottom: 1px solid var(--line); }
.cons-row .num { text-align: right; }
.cons-row .neg { color: var(--bad); }

/* 采集点分布 */
.host-rows { display: flex; flex-direction: column; }
.host-row {
  display: grid;
  grid-template-columns: minmax(96px, 1.2fr) minmax(48px, 1fr) 44px 52px minmax(96px, 1.1fr);
  gap: 8px;
  align-items: center;
  font-size: 11.5px;
  padding: 6px 0;
  border-bottom: 1px solid #eff2ef;
}
.host-row:last-child { border-bottom: 0; }
.host-row.head { color: var(--muted); font-size: 10.5px; border-bottom: 1px solid var(--line); }
.host-row.is-missing .host-name { color: var(--warn); }
.host-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 11px;
}
.host-bar { display: block; height: 6px; background: #eef1ee; border-radius: 99px; overflow: hidden; }
.host-bar i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.host-row.is-missing .host-bar i { background: var(--warn); }
.host-row .num { text-align: right; font-family: var(--mono); }
.host-span { font-family: var(--mono); font-size: 10px; color: var(--muted); white-space: nowrap; }
.hint.is-warn { color: var(--warn); }

/* ---------------------------------------------------------------- 空状态 */
.empty {
  border: 1px dashed var(--line-strong);
  background: #fbfcfa;
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.empty .badge {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--warn);
  background: var(--warn-soft);
  border: 1px solid #eedcbc;
  padding: 2px 8px;
  border-radius: 999px;
}
.empty h3 { margin: 2px 0 0; font-size: 17px; font-weight: 600; }
.empty p { margin: 0; color: var(--muted); font-size: 12.5px; max-width: 620px; }
.empty .paths { text-align: left; font-family: var(--mono); font-size: 11px; line-height: 1.85; color: var(--ink-2); background: #f2f4f1; border: 1px solid var(--line); border-radius: 3px; padding: 10px 12px; max-width: 720px; width: 100%; white-space: pre-wrap; overflow-wrap: anywhere; }
.empty.compact { flex-direction: row; padding: 14px 16px; gap: 10px; justify-content: flex-start; text-align: left; font-size: 12px; color: var(--muted); }
.empty.compact .btn { margin-left: auto; padding: 3px 10px; font-size: 11.5px; }
.empty .actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 4px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 3px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--ink-2);
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #0b5b4a; color: #fff; }

/* ---------------------------------------------------------------- 页脚 */
.foot {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 11.5px;
  color: var(--muted);
}
.foot code { font-size: 10.5px; }

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 1180px) {
  .lib-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overview-top { grid-template-columns: 1fr 1fr; }
  .q-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  main { padding: 0 16px 48px; }
  .topbar-inner { padding: 14px 16px; }
  .lib-grid { grid-template-columns: 1fr; }
  .overview-top { grid-template-columns: 1fr; }
  .drill-grid { grid-template-columns: 1fr; }
  .timeline-wrap { grid-template-columns: 1fr; }
  .node-picker { max-height: 200px; }
  .q-kpis { grid-template-columns: 1fr 1fr; }
}

@media print {
  .topbar { position: static; }
  body { background: #fff; }
  .section { break-inside: avoid; }
}