:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1b2430;
  --muted: #5b6675;
  --line: #d9dee5;
  --brand: #0b4f8a;
  --brand-ink: #ffffff;
  --bad: #a3261b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --card: #1b2129;
    --ink: #e8ecf1;
    --muted: #a3adb9;
    --line: #2d3540;
    --brand: #4f9be0;
    --brand-ink: #0b1420;
    --bad: #f08a80;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.who { color: var(--muted); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
main { max-width: 720px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 24px 0 8px; }
a { color: var(--brand); }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.error { color: var(--bad); }
.button, button {
  display: inline-block;
  padding: 10px 18px;
  border: 0;
  border-radius: 6px;
  background: var(--brand);
  color: var(--brand-ink);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
button.quiet { background: transparent; color: var(--brand); border: 1px solid var(--line); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; padding: 0; list-style: none; }
.tiles a {
  display: block;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
input[type=text], input[type=email] {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
}
form.inline { display: inline; }