:root {
  color-scheme: light dark;
  --bg: #ffffff; --fg: #16181d; --muted: #5d636e; --line: #dde1e6; --card: #f6f7f9;
  --accent: #0a66d8; --accent-fg: #ffffff; --warn-bg: #fff4d6; --warn-fg: #5c4400;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111317; --fg: #eceef2; --muted: #9aa1ad; --line: #2b2f37; --card: #1a1d23;
    --accent: #4c9dff; --accent-fg: #06121f; --warn-bg: #3a2f0b; --warn-fg: #ffe08a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font-size: 17px; line-height: 1.5; }
main { max-width: 34rem; margin: 0 auto; padding: 12vh 16px 48px; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.01em; }
p { margin: 0 0 12px; }
a { color: var(--accent); }
.eyebrow { color: var(--muted); font-size: 0.95rem; margin-bottom: 4px; }
.price { font-size: 1.35rem; font-weight: 600; min-height: 2rem; margin-bottom: 4px; }
.facts { color: var(--muted); margin-bottom: 24px; }
.button { display: inline-block; font: inherit; font-weight: 600; padding: 12px 22px; border-radius: 10px;
  border: 0; background: var(--accent); color: var(--accent-fg); text-decoration: none; cursor: pointer; }
.button:focus-visible { outline: 3px solid var(--fg); outline-offset: 2px; }
.fine { color: var(--muted); font-size: 0.9rem; margin-top: 28px; }
.banner { background: var(--warn-bg); color: var(--warn-fg); padding: 10px 14px; border-radius: 10px;
  font-size: 0.92rem; margin-bottom: 28px; }
.key { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; word-break: break-all; }
[hidden] { display: none !important; }

.portal main { max-width: 60rem; padding: 32px 16px 64px; }
.portal-header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; color: var(--muted);
  font-size: 0.92rem; margin-bottom: 24px; }
.portal-header form { margin: 0; }
.stack { display: grid; gap: 8px; max-width: 24rem; margin: 16px 0; }
.stack input { font: inherit; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card); color: var(--fg); }
.button.small { padding: 7px 14px; font-size: 0.92rem; }
.button.danger { background: #c2272d; color: #fff; }
.link { font: inherit; background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; text-decoration: underline; }
.card { border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin: 0 0 20px; background: var(--card); }
.card h2 { font-size: 1.2rem; margin: 0; }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.key-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 14px 0 18px; }
.key-row .key { padding: 6px 10px; }
.card-grid { display: grid; grid-template-columns: minmax(12rem, 18rem) 1fr; gap: 24px; }
@media (max-width: 720px) { .card-grid { grid-template-columns: 1fr; } }
.card dl { margin: 0; }
.card dt { color: var(--muted); font-size: 0.85rem; margin-top: 10px; }
.card dd { margin: 2px 0 0; }
.card table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.card th, .card td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.card th { color: var(--muted); font-weight: 600; }
.card tr.inactive td { color: var(--muted); }
.table-wrap { overflow-x: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
footer.fine { margin-top: 40px; }

.admin main { max-width: 72rem; padding: 24px 16px 64px; }
.admin h1 { font-size: 1.4rem; }
.admin h2 { font-size: 1.1rem; margin: 28px 0 8px; }
.admin form { display: flex; gap: 8px; margin: 12px 0 20px; }
.admin input[type=search] { flex: 1; font: inherit; padding: 8px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--fg); }
.admin table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.admin th, .admin td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.admin th { color: var(--muted); font-weight: 600; }
.admin code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.88em; }
.admin .who { color: var(--muted); font-size: 0.9rem; }
.admin .table-wrap { overflow-x: auto; }