:root {
  color-scheme: light dark;
  --bg: #f4f5f2;
  --card: #ffffff;
  --text: #1c1f1d;
  --muted: #5f6661;
  --line: #dfe2dd;
  --accent: #1f6f43;
  --accent-text: #ffffff;
  --good: #1f7a45;
  --bad: #b3261e;
  --radius: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111312;
    --card: #1c1f1d;
    --text: #eceeea;
    --muted: #a1a8a3;
    --line: #2e322f;
    --accent: #3fa36b;
    --accent-text: #0b130e;
    --good: #5cc98a;
    --bad: #ff8a80;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  -webkit-text-size-adjust: 100%;
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px max(16px, env(safe-area-inset-right)) calc(32px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 760px;
  margin: 0 auto;
  padding: calc(10px + env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left));
}
.topbar form { margin: 0; }
.brand { font-weight: 600; color: var(--muted); }

a { color: var(--accent); text-decoration: none; }
a.back { font-weight: 500; }

h1 { font-size: 1.8rem; margin: 8px 0 4px; }
h2 { font-size: 1.15rem; margin: 24px 0 8px; }

.hero { text-align: center; margin: 15vh 0 32px; }
.hero h1 { margin-bottom: 4px; }
.subtitle, .muted, .footnote { color: var(--muted); }
.footnote { font-size: 0.9rem; }
.center { text-align: center; }

.stack { display: flex; flex-direction: column; gap: 12px; max-width: 360px; margin: 0 auto; }

.button, button.button {
  display: block;
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.button:disabled { opacity: 0.6; }

button.link {
  background: none;
  border: none;
  padding: 8px 0;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
}

.status { min-height: 1.4em; text-align: center; color: var(--bad); }

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 0 0 12px;
  color: var(--text);
}
.card p { margin: 0 0 8px; }
.card p:last-child { margin-bottom: 0; }
details.card summary { cursor: pointer; font-weight: 500; }
details.card[open] summary { margin-bottom: 8px; }

.cards { list-style: none; margin: 12px 0 0; padding: 0; }

.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.card-head h2 { margin: 0; }

.figures {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px 12px;
  margin: 12px 0 0;
}
.figure dt { font-size: 0.8rem; color: var(--muted); }
.figure dd { margin: 0; font-size: 1.3rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.figure.bad dd { color: var(--bad); }

.segmented {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin: 8px 0 16px;
}
.segmented a { padding: 6px 14px; color: var(--text); }
.segmented a.selected { background: var(--accent); color: var(--accent-text); }

.events { list-style: none; margin: 0 0 16px; padding: 0; }
.event {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 8px;
}
.event.good { border-left-color: var(--good); }
.event.bad { border-left-color: var(--bad); }
.event-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.event-head time { color: var(--muted); font-size: 0.85rem; white-space: nowrap; }
.event p { margin: 2px 0 0; font-size: 0.9rem; }

code { font-family: ui-monospace, Menlo, monospace; font-size: 0.85rem; word-break: break-all; }