:root {
  --ink: #15202b;
  --muted: #607080;
  --paper: #f4f7f9;
  --line: #d7e1ea;
  --white: #ffffff;
  --blue: #155e75;
  --green: #16734d;
  --amber: #9a5b13;
  --red: #b42318;
  --shadow: 0 10px 26px rgba(21, 32, 43, .07);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding-bottom: 76px;
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.bar {
  width: 100%;
  margin: 0 auto;
  padding: 16px clamp(24px, 4vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 900;
}

.mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 900;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

nav a,
.btn {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

nav a:hover,
.btn:hover { border-color: rgba(21, 94, 117, .45); }
.btn:focus-visible, nav a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(21, 94, 117, .35); outline-offset: 2px; }
nav a.is-current { color: #fff; background: var(--blue); border-color: var(--blue); font-weight: 800; }
.success { color: #16734d; font-weight: 700; }
.field-error { color: #b42318; font-size: .88rem; margin-top: 4px; }

.btn.primary {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}

.btn.danger {
  color: #fff;
  border-color: var(--red);
  background: var(--red);
}

main {
  width: 100%;
  margin: 0 auto;
  padding: 24px clamp(24px, 4vw, 72px);
}

.system-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  width: 100%;
  min-height: 64px;
  padding: 12px clamp(24px, 4vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
  background: rgba(244, 247, 249, .96);
  border-top: 1px solid var(--line);
  box-shadow: 0 -8px 24px rgba(21, 32, 43, .08);
  backdrop-filter: blur(10px);
}

.system-switcher { display: inline-flex; align-items: center; gap: 8px; }
.system-switcher label { white-space: nowrap; }
.system-switcher select { min-width: 180px; min-height: 36px; }

.panel,
.metric,
.table-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel { padding: 20px; margin-bottom: 18px; }

.entry-panel { padding: 14px 20px; }
.entry-panel-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.entry-panel-bar h2 { margin: 0 0 3px; }
.entry-panel.is-collapsed form,
.entry-panel.is-collapsed .notice { display: none; }
.entry-panel:not(.is-collapsed) .entry-panel-bar { margin-bottom: 16px; }

h1 { margin: 0 0 6px; font-size: 30px; letter-spacing: 0; }
h2 { margin: 0 0 14px; font-size: 20px; }
p { color: var(--muted); line-height: 1.75; }

.subhead {
  margin: 0 0 18px;
  color: var(--muted);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.metric { padding: 18px; }
.metric strong { display: block; font-size: 30px; margin-bottom: 4px; }
.metric span { color: var(--muted); font-size: 13px; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.toolbar,
.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea { min-height: 92px; resize: vertical; }
.wide { grid-column: span 2; }
.full { grid-column: 1 / -1; }

.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 960px; border-collapse: collapse; }
.dist-table { min-width: 0; table-layout: fixed; }
.dist-table td:last-child { width: 64px; text-align: right; font-variant-numeric: tabular-nums; }
.dashboard-table { min-width: 560px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 14px; }
th { color: #405161; background: #f8fafc; font-size: 13px; }
tr:hover td { background: #fbfdff; }

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
  background: #eef3f7;
  color: #405161;
}

.a { color: #fff; background: var(--red); }
.b { color: #fff; background: var(--amber); }
.c { color: #fff; background: var(--blue); }
.low { color: #fff; background: #667085; }
.ok { color: #fff; background: var(--green); }
.wait { color: #475467; background: #f2f4f7; }

.notice {
  min-height: 22px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.error { color: var(--red); }
.muted { color: var(--muted); }
.preformatted { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.75; }

@media (max-width: 920px) {
  .bar { display: block; padding: 12px 18px; }
  nav { margin-top: 10px; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 3px; }
  nav a { flex: 0 0 auto; }
  main { padding: 18px; }
  .system-footer { padding: 10px 18px; }
  .system-switcher { margin-top: 0; }
  .metrics,
  .grid-2,
  .grid-3,
  .toolbar,
  .form-grid { grid-template-columns: 1fr; }
  .wide, .full { grid-column: auto; }
  .entry-panel { padding: 14px 16px; }
  .entry-panel-bar { align-items: flex-start; }
  table.data-list { min-width: 0; }
  .dashboard-table { min-width: 0; }
  .data-list thead { display: none; }
  .data-list,
  .data-list tbody,
  .data-list tr,
  .data-list td { display: block; width: 100%; }
  .data-list tr { padding: 10px 12px; border-bottom: 1px solid var(--line); }
  .data-list td { min-height: 28px; padding: 5px 0; border: 0; display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 8px; overflow-wrap: anywhere; }
  .data-list td::before { content: attr(data-label); color: var(--muted); font-size: 12px; font-weight: 800; }
  .data-list tr:hover td { background: transparent; }
}