:root {
  color-scheme: light dark;
  --paper: #f4f0e8;
  --paper-2: #ebe5da;
  --card: rgba(255, 253, 248, .68);
  --ink: #27251f;
  --muted: #716d63;
  --faint: #969084;
  --line: #d6cfc2;
  --accent: #b34d2f;
  --green: #487653;
  --amber: #a87625;
  --red: #a94235;
  --blue: #476a8a;
  --purple: #755b87;
  --brand-bg: #eef0f2;
  --sans: "Status Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #171613;
    --paper-2: #201e1a;
    --card: rgba(35, 33, 28, .72);
    --ink: #ece7dc;
    --muted: #aaa398;
    --faint: #7e786e;
    --line: #3b3832;
    --accent: #dc7658;
    --green: #79a982;
    --amber: #d0a04d;
    --red: #dc7769;
    --blue: #7da3c2;
    --purple: #a98ebb;
    --brand-bg: #201e1a;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 14px/1.55 var(--sans);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
button, a { font: inherit; }
a { color: inherit; }
button:focus-visible, a:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip-link { position: fixed; z-index: 20; top: -60px; left: 16px; padding: 9px 14px; background: var(--ink); color: var(--paper); }
.skip-link:focus { top: 12px; }
.muted { color: var(--faint); }
.topbar {
  position: sticky;
  z-index: 10;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 68px;
  padding: 10px max(24px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.brand { display: inline-flex; align-items: center; gap: 9px; min-width: 0; font-size: 16px; font-weight: 650; text-decoration: none; letter-spacing: .02em; }
.brand-mark { flex: none; width: 38px; height: 38px; border-radius: 10px; object-fit: cover; background: var(--brand-bg); }
.top-meta { display: flex; gap: 18px; color: var(--muted); font-size: 12px; }
.top-actions { display: flex; justify-content: flex-end; gap: 8px; }
.quiet-button, .console-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}
.quiet-button:hover { background: var(--paper-2); }
.quiet-button:disabled { color: var(--faint); cursor: wait; }
.console-link { gap: 8px; border-color: var(--ink); background: var(--ink); color: var(--paper); }
main, .site-footer { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.overview { display: grid; grid-template-columns: 1fr 1.55fr; gap: 64px; padding: clamp(56px, 9vw, 112px) 0 42px; }
.overview-status { align-self: start; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: 11px; font-weight: 650; letter-spacing: .14em; }
h1, h2, h3, p { margin-top: 0; }
h1 { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; font-size: clamp(30px, 4vw, 52px); line-height: 1.08; font-weight: 520; letter-spacing: -.035em; }
h2 { margin-bottom: 0; font-size: clamp(25px, 3vw, 36px); line-height: 1.2; font-weight: 520; letter-spacing: -.025em; }
h3 { margin-bottom: 3px; font-size: 16px; font-weight: 620; }
.status-dot { flex: none; width: 13px; height: 13px; border-radius: 50%; background: var(--faint); }
body[data-connection="online"] .status-dot { background: var(--green); }
body[data-connection="delayed"] .status-dot { background: var(--amber); }
body[data-connection="offline"] .status-dot { background: var(--red); }
.status-note { max-width: 36ch; color: var(--muted); }
.status-key { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; color: var(--muted); font-size: 12px; }
.status-key span { display: inline-flex; align-items: center; gap: 6px; }
.status-key i { width: 7px; height: 7px; border-radius: 50%; }
.status-key .online { background: var(--green); }
.status-key .delayed { background: var(--amber); }
.status-key .offline { background: var(--red); }
.metric-groups { display: grid; gap: 28px; }
.metric-group { border-top: 1px solid var(--line); padding-top: 13px; }
.group-label { margin-bottom: 13px; color: var(--muted); font-size: 12px; }
.metric-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.metric-row article { min-width: 0; }
.metric-row span { display: block; color: var(--muted); font-size: 12px; }
.metric-row strong { display: block; margin: 3px 0; overflow-wrap: anywhere; font-size: clamp(20px, 2.4vw, 29px); font-weight: 520; letter-spacing: -.025em; }
.metric-row small { color: var(--faint); font-size: 11px; }
.sync-line { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.section { padding: clamp(62px, 9vw, 105px) 0 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 25px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.section-head > p { margin-bottom: 3px; color: var(--muted); text-align: right; }
.capacity-summary { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.summary-card { min-height: 180px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.summary-card > span { color: var(--muted); }
.summary-card > strong { display: block; margin: 14px 0 2px; font-size: clamp(34px, 4vw, 50px); font-weight: 480; letter-spacing: -.04em; }
.summary-card p { margin-bottom: 13px; }
.summary-card small { color: var(--muted); }
.chart-panel { margin-top: 22px; padding: 22px; border: 1px solid var(--line); background: var(--card); }
.chart-panel > header { display: flex; justify-content: space-between; gap: 18px; align-items: start; }
.chart-panel header p { margin-bottom: 0; color: var(--muted); font-size: 12px; }
.chart-panel header > strong { font-size: 28px; font-weight: 520; }
.chart-wrap { position: relative; height: 270px; margin-top: 18px; }
.chart-wrap svg { display: block; width: 100%; height: 100%; touch-action: pan-y; }
.chart-wrap .grid-line { stroke: var(--line); stroke-width: 1; }
.chart-wrap .axis-label { fill: var(--faint); font: 10px var(--sans); }
.chart-wrap .series { fill: none; stroke-width: 2; vector-effect: non-scaling-stroke; }
.chart-wrap .capacity-line, .chart-wrap .sla-line { stroke: var(--green); }
.chart-wrap .tps-line { stroke: var(--purple); }
.chart-wrap .ttft-line { stroke: var(--amber); }
.chart-wrap .cpu-line { stroke: var(--blue); }
.chart-wrap .memory-line { stroke: var(--red); }
.chart-wrap .traffic-line { stroke: var(--amber); }
.chart-wrap .cursor-line { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; vector-effect: non-scaling-stroke; }
.chart-wrap .cursor-dot { fill: var(--ink); stroke: var(--paper); stroke-width: 2; vector-effect: non-scaling-stroke; }
.chart-tooltip {
  position: absolute;
  z-index: 2;
  top: 8px;
  min-width: 160px;
  max-width: 230px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
  box-shadow: 0 6px 20px rgba(0,0,0,.08);
  pointer-events: none;
  font-size: 11px;
}
.chart-tooltip b { display: block; margin-bottom: 4px; color: var(--ink); }
.chart-tooltip span { display: block; }
.chart-panel footer { display: flex; justify-content: space-between; gap: 15px; margin-top: 10px; color: var(--faint); font-size: 11px; }
.legend { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; color: var(--muted); font-size: 11px; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 14px; height: 2px; background: var(--faint); }
.legend .sla { background: var(--green); }.legend .tps { background: var(--purple); }.legend .ttft { background: var(--amber); }
.legend .cpu { background: var(--blue); }.legend .memory { background: var(--red); }.legend .traffic { background: var(--amber); }
.latest-strip { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 17px; padding: 11px 0; border-block: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.latest-strip b { margin-left: 4px; color: var(--ink); font-weight: 620; }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.chart-grid .chart-panel { margin-top: 0; min-width: 0; }
.chart-grid .chart-wrap { height: 250px; }
.account-list { border-top: 1px solid var(--line); }
.account-row { display: grid; grid-template-columns: minmax(160px, 1.3fr) .7fr 1fr 1fr; align-items: center; gap: 20px; min-height: 112px; padding: 20px 4px; border-bottom: 1px solid var(--line); }
.account-identity strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; }
.account-identity small, .account-flags, .window small { color: var(--muted); font-size: 11px; }
.account-flags { display: flex; flex-wrap: wrap; gap: 5px 10px; }
.account-flags span::before { content: "○"; margin-right: 5px; color: var(--faint); }
.account-flags .yes::before { content: "●"; color: var(--green); }
.window > span { color: var(--muted); font-size: 11px; }
.window strong { display: block; margin: 2px 0; font-size: 18px; font-weight: 540; }
.meter { height: 3px; margin: 8px 0; background: var(--paper-2); }
.meter i { display: block; width: var(--level); height: 100%; background: var(--accent); }
.empty-state { padding: 30px 4px; color: var(--muted); }
.notice-stack { margin-top: 28px; }
.notice { display: flex; gap: 9px; padding: 12px 14px; border-left: 3px solid var(--amber); background: var(--paper-2); color: var(--muted); }
.notice + .notice { margin-top: 8px; }
.notice.error { border-color: var(--red); color: var(--ink); }
.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: center; margin-top: 100px; padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.site-footer p { margin: 0; text-align: center; }
.site-footer > span { text-align: right; }
.site-footer b { color: var(--ink); font-size: 13px; }
.noscript { position: fixed; inset: auto 16px 16px; padding: 12px; background: var(--red); color: #fff; text-align: center; }
@media (max-width: 820px) {
  .topbar { grid-template-columns: 1fr auto; }
  .top-meta { display: none; }
  .overview { grid-template-columns: 1fr; gap: 36px; }
  .chart-grid { grid-template-columns: 1fr; }
  .account-row { grid-template-columns: 1.2fr .8fr 1fr 1fr; gap: 12px; }
}
@media (max-width: 620px) {
  main, .site-footer { width: min(100% - 32px, 1120px); }
  .topbar { padding: 8px 16px; min-height: 62px; }
  .brand { gap: 7px; font-size: 14px; letter-spacing: .01em; }
  .brand-mark { width: 32px; height: 32px; border-radius: 8px; }
  .top-actions { gap: 6px; }
  .quiet-button { padding-inline: 10px; }
  .console-link { padding-inline: 11px; }
  .overview { padding-top: 44px; }
  .metric-row { gap: 8px; }
  .metric-row strong { font-size: 19px; }
  .sync-line { display: grid; grid-template-columns: 1fr 1fr; }
  #monthly-traffic { grid-column: 1 / -1; }
  .section-head { align-items: start; }
  .section-head > p { max-width: 44%; }
  .capacity-summary { grid-template-columns: 1fr; }
  .summary-card { min-height: 0; }
  .chart-panel { padding: 16px 12px; }
  .chart-panel > header { display: block; }
  .legend { justify-content: start; margin-top: 10px; }
  .chart-wrap, .chart-grid .chart-wrap { height: 225px; }
  .chart-panel footer { display: block; }
  .chart-panel footer span { display: block; }
  .account-row { grid-template-columns: 1fr 1fr; padding: 20px 0; }
  .account-identity, .account-flags { grid-column: 1 / -1; }
  .site-footer { grid-template-columns: 1fr; text-align: left; }
  .site-footer p, .site-footer > span { text-align: left; }
}
@media (max-height: 500px) and (orientation: landscape) {
  .topbar { position: static; min-height: 58px; }
  .overview { grid-template-columns: .85fr 1.6fr; gap: 28px; padding: 24px 0 18px; }
  h1 { font-size: 28px; margin-bottom: 8px; }
  .status-note { margin-bottom: 8px; }
  .status-key { margin-top: 10px; }
  .metric-groups { gap: 12px; }
  .metric-group { padding-top: 7px; }
  .group-label { margin-bottom: 5px; }
  .metric-row strong { font-size: 18px; }
  .metric-row small { display: none; }
  .sync-line { padding-top: 8px; }
  #monthly-traffic { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}