:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --text: #172033;
  --muted: #617084;
  --line: #dce2ea;
  --panel: #ffffff;
  --green: #198754;
  --yellow: #b7791f;
  --red: #c53030;
  --blue: #2563eb;
  --ink: #111827;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 36px;
}

.topbar,
.summary,
.metrics,
.panel {
  border: 1px solid var(--line);
  background: var(--panel);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
  border-radius: 8px 8px 0 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--blue) 0 45%, transparent 46%),
    linear-gradient(315deg, var(--green) 0 45%, #ffffff 46%);
  border: 1px solid #cbd5e1;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

h2 {
  font-size: 16px;
  letter-spacing: 0;
}

.brand p,
.updated,
footer,
.panelHeader span,
article span {
  color: var(--muted);
  font-size: 13px;
}

.summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: end;
  padding: 28px 20px;
  border-top: 0;
}

.state {
  font-size: clamp(32px, 7vw, 56px);
  line-height: 1;
  font-weight: 760;
  letter-spacing: 0;
}

.stateDetail {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
}

.windowTabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(70px, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.windowTabs button {
  min-height: 38px;
  border: 0;
  border-right: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.windowTabs button:last-child {
  border-right: 0;
}

.windowTabs button.active {
  background: var(--ink);
  color: #fff;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 0;
}

article {
  min-height: 104px;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
}

article:last-child {
  border-right: 0;
}

article strong {
  display: block;
  margin-top: 14px;
  font-size: 26px;
  letter-spacing: 0;
}

.panel {
  margin-top: 18px;
  padding: 20px;
  border-radius: 8px;
}

.panelHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.errorList {
  display: grid;
  gap: 10px;
}

.errorItem {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr minmax(56px, auto);
  align-items: center;
  gap: 12px;
}

.bar {
  height: 10px;
  border-radius: 999px;
  background: #edf2f7;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  background: var(--red);
}

footer {
  padding: 16px 2px 0;
}

.available {
  color: var(--green);
}

.slow,
.unstable {
  color: var(--yellow);
}

.down {
  color: var(--red);
}

.insufficient_data {
  color: var(--muted);
}

@media (max-width: 780px) {
  .topbar,
  .summary,
  .panelHeader {
    align-items: stretch;
    flex-direction: column;
  }

  .summary {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  article {
    border-right: 0;
    border-top: 1px solid var(--line);
  }

  .errorItem {
    grid-template-columns: 1fr;
  }
}