:root {
  --fg: #1c1c1e;
  --muted: #6b6b70;
  --bg: #fff;
  --line: #e2e2e5;
  --accent: #0a66c2;
  --error: #b3261e;
  --line-chart: #d0342c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #ececee;
    --muted: #9b9ba1;
    --bg: #161618;
    --line: #2f2f33;
    --accent: #6aa9ff;
    --error: #ff8a80;
    --line-chart: #ff6b61;
  }
}

* { box-sizing: border-box; }

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

header, main { max-width: 48rem; margin: 0 auto; padding: 0 1rem; }
main { padding-bottom: 3rem; }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-block: .75rem;
  border-bottom: 1px solid var(--line);
}

a { color: var(--accent); }
.brand { font-weight: 600; text-decoration: none; color: var(--fg); }
h1 { font-size: 1.5rem; margin: 1.25rem 0 .25rem; overflow-wrap: anywhere; }
h2 { font-size: 1rem; margin: 0 0 .25rem; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.error { color: var(--error); }
.notice { padding: .5rem .75rem; border: 1px solid var(--line); border-radius: 6px; }
pre { overflow-x: auto; padding: .5rem; border: 1px solid var(--line); border-radius: 6px; }

button, .button {
  display: inline-block;
  font: inherit;
  padding: .4rem .9rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: none;
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
}
.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }
button.link { border: 0; padding: 0; margin-left: .5rem; }

.stack { display: grid; gap: .75rem; max-width: 24rem; }
label { display: grid; gap: .25rem; }
input, textarea {
  font: inherit;
  padding: .45rem .6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
}

.activities { list-style: none; padding: 0; margin: 1rem 0; }
.activities li {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--line);
}
.activity { flex: 1; min-width: 0; display: grid; text-decoration: none; color: inherit; }
.activity strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity span { font-size: .875rem; }

.pager { display: flex; justify-content: space-between; }

#map { height: 20rem; margin: 1rem 0; border-radius: 6px; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
  gap: .75rem 1rem;
  margin: 1rem 0 1.5rem;
}
.stats dt { font-size: .8rem; color: var(--muted); }
.stats dd { margin: 0; font-size: 1.15rem; font-variant-numeric: tabular-nums; }

.chart { margin-bottom: 1.5rem; }
.plot { position: relative; border-bottom: 1px solid var(--line); }
.plot svg { display: block; width: 100%; height: 7rem; }
.plot path { fill: none; stroke: var(--line-chart); stroke-width: 1.5; }
.label { position: absolute; left: 0; font-size: .75rem; color: var(--muted); background: var(--bg); padding-right: .25rem; }
.label.top { top: 0; }
.label.bottom { bottom: 0; }
.axis { display: flex; justify-content: space-between; font-size: .75rem; }