:root {
  --bg: #ffffff;
  --fg: #1c2321;
  --muted: #5f6b67;
  --accent: #1f5f4a;
  --line: #dde3e0;
  --neg: #b3261e;
  --ok-bg: #e6f2ec;
  --err-bg: #fbe9e7;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121615;
    --fg: #e4e9e7;
    --muted: #9aa7a2;
    --accent: #6fcfa8;
    --line: #2b3431;
    --neg: #ff8a80;
    --ok-bg: #1d3329;
    --err-bg: #3a1f1c;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 56rem; margin: 0 auto; padding: 1rem; }
nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; padding: .75rem 1rem; border-bottom: 1px solid var(--line); }
nav form { margin-left: auto; }
a, button.link { color: var(--accent); }
button { font: inherit; padding: .4rem .9rem; border-radius: .4rem; border: 1px solid var(--accent); background: var(--accent); color: var(--bg); cursor: pointer; }
button.link { background: none; border: 0; padding: 0; text-decoration: underline; }
input, select { font: inherit; padding: .35rem; max-width: 100%; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .4rem .3rem; border-bottom: 1px solid var(--line); vertical-align: top; }
td form select { margin: .1rem 0; width: 9rem; }
.scroll { overflow-x: auto; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.neg { color: var(--neg); }
.muted { color: var(--muted); font-size: .9rem; }
.hero { padding: 1rem 0; }
.hero p { margin: .2rem 0; }
.big { font-size: 2.5rem; font-weight: 700; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1rem; }
.row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.stack { display: grid; gap: .6rem; max-width: 24rem; }
.stack label { display: grid; gap: .2rem; }
.msg { padding: .5rem .75rem; border-radius: .4rem; background: var(--ok-bg); }
.msg.error { background: var(--err-bg); }
.spark { width: 100%; max-width: 30rem; height: 4rem; color: var(--accent); }
meter { width: 100%; max-width: 12rem; }
@media (max-width: 40rem) {
  .wide-only { display: none; }
}