:root {
  --bg: #f6f7f9; --card: #fff; --text: #1b1f24; --muted: #5b6470; --line: #d9dde3;
  --accent: #1f5fbf; --accent-text: #fff; --ok-bg: #e7f5ec; --ok: #17613a; --err-bg: #fdecec; --err: #9b1c1c;
  --warn-bg: #fff6e0; --warn: #7a5200; --focus: #ffbf47;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b; --card: #1d2126; --text: #e8eaed; --muted: #a3abb5; --line: #343a42;
    --accent: #6ea8ff; --accent-text: #0b1220; --ok-bg: #173324; --ok: #8fd6ad; --err-bg: #3a1a1a; --err: #f3a5a5;
    --warn-bg: #3a2e12; --warn: #f0cf85;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 8px; top: 8px; background: var(--card); padding: 8px; }
.top { background: var(--card); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; padding-top: 12px; padding-bottom: 12px; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; margin-right: auto; }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
a { color: var(--accent); }
main { padding-top: 24px; padding-bottom: 32px; }
h1 { font-size: 1.6rem; margin: 0 0 16px; } h2 { font-size: 1.15rem; margin: 0 0 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 20px; margin-bottom: 16px; }
.narrow { max-width: 480px; margin-left: auto; margin-right: auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
label { display: block; font-weight: 600; margin: 12px 0 4px; }
label.check { font-weight: 400; display: flex; gap: 8px; align-items: center; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; font: inherit;
  background: var(--card); color: var(--text); }
input[type=checkbox] { width: auto; }
button { margin-top: 16px; padding: 9px 16px; border: 0; border-radius: 6px; background: var(--accent); color: var(--accent-text);
  font: inherit; font-weight: 600; cursor: pointer; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.danger { background: transparent; color: var(--err); border: 1px solid var(--err); }
button.link { background: none; color: var(--accent); padding: 0; margin: 0; font-weight: 400; text-decoration: underline; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
form.inline { display: inline; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.row > div { flex: 1 1 180px; } .row button { margin-top: 0; }
.buttons { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; } .buttons button { margin-top: 0; }
.hint { color: var(--muted); font-size: .92rem; }
.notice { padding: 10px 14px; border-radius: 6px; margin: 0 0 16px; }
.notice.ok { background: var(--ok-bg); color: var(--ok); } .notice.err { background: var(--err-bg); color: var(--err); }
.notice.warn { background: var(--warn-bg); color: var(--warn); }
.status.good { color: var(--ok); font-weight: 600; } .status.bad { color: var(--err); font-weight: 600; }
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
dl.facts dt { color: var(--muted); } dl.facts dd { margin: 0; overflow-wrap: anywhere; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; overflow-wrap: anywhere; }
th { font-size: .9rem; color: var(--muted); }
.qr svg { width: 220px; height: 220px; } .codes { columns: 2; }
.pager { display: flex; gap: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.foot { color: var(--muted); font-size: .85rem; padding-bottom: 24px; }
@media (max-width: 700px) {
  table, thead, tbody, tr, th, td { display: block; } thead { display: none; }
  tr { border-bottom: 1px solid var(--line); padding: 8px 0; } td { border: 0; padding: 2px 10px; }
  dl.facts { grid-template-columns: 1fr; } dl.facts dd { margin-bottom: 6px; }
}