:root {
  --bg: #ffffff;
  --fg: #1f2328;
  --muted: #59636e;
  --accent: #0f6cbd;
  --border: #d1d9e0;
  --surface: #f6f8fa;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --fg: #e6edf3;
    --muted: #9198a1;
    --accent: #4aa3ff;
    --border: #30363d;
    --surface: #161b22;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 "Segoe UI", system-ui, -apple-system, sans-serif;
}
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { display: flex; justify-content: space-between; align-items: center; padding-top: 20px; padding-bottom: 20px; flex-wrap: wrap; gap: 8px; }
header a.brand { font-weight: 600; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
nav a { margin-left: 16px; color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--fg); }
h1 { font-size: 2rem; line-height: 1.25; margin: 32px 0 12px; }
h2 { font-size: 1.25rem; margin-top: 32px; }
p.lede { font-size: 1.15rem; color: var(--muted); }
a { color: var(--accent); }
ul.checks { padding-left: 20px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 24px 0; }
.plan { border: 1px solid var(--border); border-radius: 8px; padding: 20px; background: var(--surface); }
.plan h2 { margin-top: 0; }
.price { font-size: 1.75rem; font-weight: 600; }
.button { display: inline-block; background: var(--accent); color: #fff; padding: 10px 18px; border-radius: 6px; text-decoration: none; font-weight: 600; }
.note { color: var(--muted); font-size: 0.9rem; }
footer { border-top: 1px solid var(--border); margin-top: 48px; padding-top: 16px; padding-bottom: 32px; color: var(--muted); font-size: 0.9rem; }
footer a { color: var(--muted); margin-right: 16px; }
/* Account page (D6) */
button { font: inherit; cursor: pointer; }
button:disabled { cursor: default; opacity: 0.6; }
button.button { border: 0; }
.button-secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); padding: 9px 17px; border-radius: 6px; font-weight: 600; }
.button-link { background: none; border: 0; padding: 10px 4px; color: var(--accent); text-decoration: underline; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.stack { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; max-width: 360px; }
.stack input { width: 100%; font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--fg); }
.stack input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.notice { border: 1px solid var(--border); background: var(--surface); border-radius: 6px; padding: 10px 14px; }
.notice-error { border-color: #d1242f; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0 0 12px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
[hidden] { display: none !important; }