:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #666;
  --line: #ebebeb;
  --surface: #fafafa;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; font-size: 14px; line-height: 1.6; }
[hidden] { display: none !important; }
h1, h2, p, dl, dd { margin: 0; }
.topbar { border-bottom: 1px solid var(--line); }
.topbar-inner { max-width: 1120px; min-height: 80px; padding: 20px 40px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.brand { font-size: 15px; font-weight: 600; letter-spacing: -.4px; white-space: nowrap; }
.brand-divider { color: #d4d4d4; margin: 0 12px; font-weight: 400; }
.brand-section { color: var(--muted); font-size: 13px; font-weight: 400; letter-spacing: 0; }
.connection { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; padding: 5px 11px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; color: #555; font-size: 12px; font-weight: 500; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: #888; }
.connection[data-state="online"] { background: #f0faf4; border-color: #d5ebdd; color: #176b3a; }
.connection[data-state="online"] .status-dot { background: #20834a; }
.connection[data-state="offline"] { background: #fff5f5; border-color: #f2dada; color: #aa2929; }
.connection[data-state="offline"] .status-dot { background: #c23737; }
.connection[data-state="auth"] { background: #fffbef; border-color: #eddfbd; color: #805b0b; }
.connection[data-state="auth"] .status-dot { background: #9a6d09; }
main { max-width: 1120px; margin: 0 auto; padding: 52px 40px 32px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.eyebrow { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
h1 { font-size: 30px; line-height: 1.3; font-weight: 600; letter-spacing: -1px; }
.refresh-note { color: var(--muted); font-size: 12px; padding-bottom: 3px; }
.connection-detail { color: var(--muted); font-size: 13px; margin: 12px 0 28px; min-height: 21px; }
.metrics-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.metric-card { min-width: 0; border-radius: 10px; background: #fff; box-shadow: 0 0 0 1px rgba(0, 0, 0, .08), 0 2px 3px rgba(0, 0, 0, .025), 0 8px 12px -10px rgba(0, 0, 0, .08); overflow: hidden; }
.card-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 23px 26px 0; }
.card-heading h2 { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 19px; font-weight: 500; letter-spacing: -.5px; }
.card-heading > span { color: var(--muted); font-size: 12px; }
.primary-metrics { padding: 29px 26px 30px; display: grid; grid-template-columns: 1fr; gap: 25px; }
.primary-metrics dt { font-size: 12px; color: var(--muted); margin-bottom: 7px; }
.primary-metrics dd { line-height: 1.15; font-variant-numeric: tabular-nums; letter-spacing: -1.7px; font-weight: 500; overflow-wrap: anywhere; }
.metric-value { font-size: clamp(38px, 4.8vw, 52px); }
.average-value { font-size: 32px; }
.unit { color: var(--muted); font-size: 14px; letter-spacing: 0; font-weight: 400; margin-left: 7px; white-space: nowrap; }
.secondary-metrics { display: flex; gap: 28px; padding: 15px 26px; background: #fcfcfc; border-top: 1px solid #f0f0f0; font-size: 12px; }
.secondary-metrics > div { display: flex; align-items: baseline; gap: 9px; min-width: 0; }
.secondary-metrics dt { color: var(--muted); white-space: nowrap; }
.secondary-metrics dd { font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.runtime-meta { margin-top: 32px; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1.1fr 1fr 1.1fr; gap: 24px; }
.runtime-meta > div { min-width: 0; }
.runtime-meta dt { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.runtime-meta dd { font-size: 13px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.page-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 24px; margin-top: 22px; color: var(--muted); font-size: 12px; }
.auth-panel { display: grid; grid-template-columns: 1fr 1.15fr; gap: 26px; margin-bottom: 28px; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.auth-intro h2 { font-size: 15px; font-weight: 600; margin-bottom: 5px; }
.auth-intro p, .field-help { font-size: 12px; color: var(--muted); }
.auth-controls { display: flex; gap: 8px; margin-top: 6px; }
label { font-size: 12px; font-weight: 500; }
input, button { min-height: 44px; border-radius: 6px; font: inherit; }
input { min-width: 0; width: 100%; padding: 9px 12px; background: #fff; border: 1px solid #d4d4d4; color: var(--ink); }
button { border: 1px solid var(--ink); background: var(--ink); color: #fff; padding: 9px 16px; white-space: nowrap; cursor: pointer; font-size: 13px; font-weight: 500; }
button:hover { background: #383838; }
input:focus-visible, button:focus-visible { outline: 2px solid #0070f3; outline-offset: 3px; }
.field-help { margin-top: 8px; }
.noscript-note { padding: 16px 0; color: #aa2929; }
@media (max-width: 720px) {
  .topbar-inner { min-height: 68px; padding: 16px 24px; }
  main { padding: 34px 24px 24px; }
  .metrics-grid { gap: 18px; }
  .card-heading { padding: 21px 20px 0; }
  .primary-metrics { padding: 25px 20px; }
  .secondary-metrics { padding: 14px 20px; gap: 20px; }
  .runtime-meta { gap: 20px; grid-template-columns: 1fr 1fr; }
  .auth-panel { grid-template-columns: 1fr; gap: 16px; padding: 20px; }
}
@media (max-width: 540px) {
  .topbar-inner { padding: 16px 20px; gap: 10px; }
  .brand-divider { margin: 0 7px; }
  .brand-section { font-size: 12px; }
  .connection { padding: 4px 8px; }
  main { padding: 30px 20px 24px; }
  .section-heading { display: block; }
  h1 { font-size: 27px; }
  .refresh-note { margin-top: 10px; }
  .connection-detail { margin-bottom: 22px; }
  .metrics-grid { grid-template-columns: 1fr; gap: 18px; }
  .primary-metrics { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; align-items: end; }
  .metric-value { font-size: 40px; }
  .average-value { font-size: 30px; }
  .runtime-meta { margin-top: 26px; grid-template-columns: 1fr; gap: 17px; padding: 22px 0; }
  .runtime-meta > div { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 10px; }
  .runtime-meta dt { margin-bottom: 0; }
  .page-footer { display: block; line-height: 1.9; margin-top: 18px; }
}
@media (max-width: 350px) {
  .brand-section, .brand-divider { display: none; }
  .primary-metrics { grid-template-columns: 1fr; gap: 20px; }
  .auth-controls { flex-direction: column; }
}