:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e3e6ea;
  --text: #1f2328;
  --muted: #6b7280;
  --accent: #c62f2f;
  --ok: #16a34a;
  --warn: #d97706;
  --shadow: 0 1px 3px rgba(0, 0, 0, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --panel: #1c1f24;
    --border: #2c3138;
    --text: #e6e8ea;
    --muted: #939aa4;
    --accent: #e14b4b;
    --ok: #4ade80;
    --warn: #fbbf24;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 "Microsoft YaHei", -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 导航 ---------- */
.nav {
  display: flex; align-items: center; gap: 18px;
  padding: 0 24px; height: 52px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.nav .brand { font-weight: 700; margin-right: 8px; }
.nav a { color: var(--muted); padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav a.on { color: var(--accent); border-bottom-color: var(--accent); }
.nav .spacer { flex: 1; }
.inline { display: inline; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 24px; }

.page-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; margin-bottom: 18px; flex-wrap: wrap;
}
h1 { font-size: 21px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 12px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.sep { color: var(--muted); margin: 0 2px; }
.pre { white-space: pre-wrap; word-break: break-word; }

/* ---------- 卡片 ---------- */
.cards {
  display: grid; gap: 12px; margin-bottom: 18px;
  grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
}
.cards-thin { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; display: flex; flex-direction: column; gap: 3px;
  box-shadow: var(--shadow);
}
.card .k { font-size: 12px; color: var(--muted); }
.card .v { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; }
.card .v-sm { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.card .sub { font-size: 11px; color: var(--muted); font-family: ui-monospace, Consolas, monospace; }

/* ---------- 面板 ---------- */
.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; margin-bottom: 18px; box-shadow: var(--shadow);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.panel-head h2 { margin: 0; }

.chart-box { overflow-x: auto; }
.chart { width: 100%; min-width: 520px; height: auto; display: block; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .axis-y {
  fill: var(--muted); font-size: 11px; text-anchor: end;
  font-variant-numeric: tabular-nums;
}
.chart .axis-x { fill: var(--muted); font-size: 11px; text-anchor: middle; }
.chart rect:hover { opacity: .75; }

.range-bar {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px; flex-wrap: wrap;
}

/* 明细表里的相对长度条 */
.minibar {
  height: 8px; border-radius: 99px; min-width: 3px;
  background: linear-gradient(90deg, var(--ok), #60a5fa);
}

/* ---------- 表格 ---------- */
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-weight: 600; font-size: 12px; color: var(--muted);
  padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(127, 127, 127, .06); }
td.name { font-weight: 500; word-break: break-word; }
.row-removed td.name { text-decoration: line-through; opacity: .65; }

.tag {
  display: inline-block; padding: 1px 8px; border-radius: 99px;
  font-size: 12px; white-space: nowrap;
}
.tag-add { background: rgba(22, 163, 74, .14); color: var(--ok); }
.tag-del { background: rgba(217, 119, 6, .14); color: var(--warn); }
.tag-skip { background: rgba(127, 127, 127, .16); color: var(--muted); }

/* ---------- 表单 ---------- */
.filters { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
input[type=search], input[type=password], input[type=number], select {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 7px 10px; font: inherit;
}
input[type=search] { min-width: 240px; }
.num-input { width: 5.5em; text-align: center; }
.field { margin: 6px 0; }

.chip {
  padding: 5px 12px; border-radius: 99px; border: 1px solid var(--border);
  background: var(--panel); color: var(--muted); font-size: 13px;
}
.chip:hover { text-decoration: none; color: var(--text); }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn {
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  border-radius: 6px; padding: 7px 14px; font: inherit; cursor: pointer;
}
.btn:hover { border-color: var(--muted); }
.btn-sm { padding: 4px 11px; font-size: 13px; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-block { width: 100%; margin-top: 10px; padding: 9px; }
.actions { margin-bottom: 18px; }

.switch {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 11px 0; border-top: 1px solid var(--border); cursor: pointer;
}
.switch input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--accent); }
.switch span { display: flex; flex-direction: column; }
.switch em { font-style: normal; font-size: 12px; color: var(--muted); }

/* ---------- 其它 ---------- */
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }
.flash-ok { background: rgba(22, 163, 74, .12); color: var(--ok); }
.flash-err { background: rgba(198, 47, 47, .12); color: var(--accent); }

.empty { padding: 34px; text-align: center; color: var(--muted); }
.pager { display: flex; gap: 16px; align-items: center; justify-content: center; padding: 8px 0 24px; }

.login-box {
  max-width: 330px; margin: 12vh auto; padding: 28px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; text-align: center; box-shadow: var(--shadow);
}
.login-box h1 { font-size: 19px; margin-bottom: 4px; }
.login-box p { margin: 0 0 18px; font-size: 13px; }
.login-box input { width: 100%; }

code {
  font-family: ui-monospace, Consolas, monospace; font-size: 12px;
  background: rgba(127, 127, 127, .12); padding: 1px 6px; border-radius: 4px;
  word-break: break-all;
}

/* ---------- 故障横幅 ---------- */
.banner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 13px 16px; border-radius: 8px; margin-bottom: 16px;
  border: 1px solid transparent;
}
.banner b { display: block; margin-bottom: 3px; }
.banner .small { font-size: 12px; opacity: .9; }
.banner .mono {
  font-family: ui-monospace, Consolas, monospace; font-size: 11px;
  margin-top: 5px; opacity: .75; word-break: break-all;
}
.banner form { flex-shrink: 0; }
.banner-stop { background: rgba(198, 47, 47, .12); border-color: rgba(198, 47, 47, .35); color: var(--accent); }
.banner-warn { background: rgba(217, 119, 6, .12); border-color: rgba(217, 119, 6, .35); color: var(--warn); }

td.num { font-variant-numeric: tabular-nums; text-align: right; }
th[title] { cursor: help; border-bottom-style: dotted; }

.nowrap { white-space: nowrap; }