:root {
  --fg: #1b1b1b;
  --bg: #ffffff;
  --muted: #5c5c5c;
  --line: #d6d6d6;
  --accent: #1f5fbf;
  --warn-bg: #fff4d6;
  --error: #b00020;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e8;
    --bg: #161616;
    --muted: #a8a8a8;
    --line: #3a3a3a;
    --accent: #7fb0ff;
    --warn-bg: #3a3014;
    --error: #ff7a8a;
  }
}
body {
  margin: 0 auto;
  max-width: 48rem;
  padding: 1rem;
  font: 16px/1.5 system-ui, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
header { border-bottom: 1px solid var(--line); padding-bottom: 0.5rem; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 0.5rem; }
nav form { margin: 0; }
.who { color: var(--muted); margin: 0.5rem 0 0; }
a { color: var(--accent); }
code { font-family: ui-monospace, monospace; overflow-wrap: anywhere; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.4rem; border-bottom: 1px solid var(--line); vertical-align: top; }
td form { margin: 0; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; }
dd { margin: 0; }
label { display: block; margin-bottom: 0.5rem; }
input { font: inherit; padding: 0.3rem; }
button, .button {
  font: inherit;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.warning { background: var(--warn-bg); padding: 0.75rem; border-radius: 4px; }
.error { color: var(--error); font-weight: 600; }