:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1b1f24;
  --muted: #5b6470;
  --line: #e2e5ea;
  --accent: #0b6e4f;
  --accent-text: #ffffff;
  --notice: #eef6f2;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --card: #1a1e24;
    --text: #e8eaed;
    --muted: #a0a8b3;
    --line: #2c323a;
    --accent: #3fb58a;
    --accent-text: #0c1a14;
    --notice: #17261f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.top { max-width: 640px; margin: 0 auto; padding: 24px 16px 8px; display: flex; gap: 8px; align-items: baseline; }
.brand { font-weight: 700; font-size: 20px; }
.sub { color: var(--muted); }
main { max-width: 640px; margin: 0 auto; padding: 8px 16px 48px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 17px; margin: 24px 0 4px; }
.muted { color: var(--muted); }
.notice { background: var(--notice); border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; margin: 0 0 16px; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 16px 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
button {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 10px 16px;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text);
}
button.secondary { background: transparent; color: var(--accent); }
button:disabled { opacity: 0.6; cursor: wait; }
.mydomain { margin-top: 24px; }
.mydomain label { display: block; color: var(--muted); font-size: 14px; margin-bottom: 4px; }
.row { display: flex; gap: 8px; }
input {
  flex: 1; min-width: 0; font: inherit; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
}
a { color: var(--accent); }