:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1b1f27;
  --muted: #5b6472;
  --border: #dfe3ea;
  --ok: #1f9d55;
  --warn: #d69e2e;
  --bad: #d64545;
  --none: #d5d9e0;
  --accent: #e8743b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --card: #1c2027;
    --text: #e8ebf0;
    --muted: #9aa3b2;
    --border: #2a303a;
    --ok: #35b46b;
    --warn: #e0ac3c;
    --bad: #e35d5d;
    --none: #323946;
    --accent: #f08a56;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 16px 56px;
}

h1 { margin: 0; font-size: 1.75rem; letter-spacing: -0.01em; }
h2 { margin: 32px 0 12px; font-size: 1.05rem; }
.sub { margin: 4px 0 24px; color: var(--muted); }

.banner {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-left-width: 6px;
  border-radius: 10px;
  background: var(--card);
}
.banner .dot { flex: none; width: 12px; height: 12px; margin-top: 6px; border-radius: 50%; background: var(--none); }
.banner.ok { border-left-color: var(--ok); }
.banner.ok .dot { background: var(--ok); }
.banner.warn { border-left-color: var(--warn); }
.banner.warn .dot { background: var(--warn); }
.banner.bad { border-left-color: var(--bad); }
.banner.bad .dot { background: var(--bad); }
.banner.unknown { border-left-color: var(--none); }
.banner strong { display: block; }
.banner span#banner-sub { color: var(--muted); font-size: 0.92rem; }

.components { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.component {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
}
.component-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.component-name { font-weight: 600; }
.state { font-size: 0.9rem; font-weight: 600; }
.state.ok { color: var(--ok); }
.state.bad { color: var(--bad); }

.bars { display: flex; gap: 2px; height: 30px; }
.bar { flex: 1 1 0; min-width: 0; border-radius: 2px; background: var(--none); }
.bar.ok { background: var(--ok); }
.bar.warn { background: var(--warn); }
.bar.bad { background: var(--bad); }

.component-meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 8px; color: var(--muted); font-size: 0.85rem; }

.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; margin: 12px 0 0; color: var(--muted); font-size: 0.82rem; }
.swatch { display: inline-block; width: 10px; height: 10px; margin-right: 4px; border-radius: 2px; background: var(--none); }
.swatch.ok { background: var(--ok); }
.swatch.warn { background: var(--warn); }
.swatch.bad { background: var(--bad); }

.latency { padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); }
.latency svg { display: block; width: 100%; height: 120px; }
.latency .line { fill: none; stroke: var(--accent); stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.latency-meta, .empty { margin: 8px 0 0; color: var(--muted); font-size: 0.85rem; }

footer { margin-top: 40px; color: var(--muted); font-size: 0.85rem; }
footer p { margin: 4px 0; }
a { color: var(--accent); }
.noscript { text-align: center; color: var(--muted); }

@media (max-width: 480px) {
  .component-meta { flex-direction: column; gap: 2px; }
}