:root {
  color-scheme: light dark;
  --bg: #f4f4f6;
  --card: #ffffff;
  --ink: #16181d;
  --muted: #5d6270;
  --line: #e2e4ea;
  --good: #0a7c42;
  --good-bg: #e6f4ec;
  --bad: #a8272f;
  --bad-bg: #fbecec;
  --warn-bg: #fdf6e6;
  --warn-line: #e8d8a8;
  --accent: #15418a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11131a;
    --card: #1a1d26;
    --ink: #eceef4;
    --muted: #9aa1b2;
    --line: #2a2e3c;
    --good: #58d396;
    --good-bg: #10301f;
    --bad: #ff9ba1;
    --bad-bg: #2d1619;
    --warn-bg: #2a2314;
    --warn-line: #4a3f22;
    --accent: #8fb4ff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
.bar {
  display: flex; align-items: baseline; gap: .6rem;
  padding: .9rem 1rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; letter-spacing: -.01em; }
.bar-note { color: var(--muted); font-size: .8rem; }
.wrap { max-width: 34rem; margin: 0 auto; padding: 1rem 1rem 2rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem;
}
.card-bad { border-color: var(--bad); }
.card-stale { opacity: .92; }
.eyebrow {
  margin: 0 0 .35rem;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .09em; text-transform: uppercase;
  color: var(--muted);
}
.code {
  margin: 0;
  font-size: 1.7rem; font-weight: 700; letter-spacing: .02em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.heading { margin: 0; font-size: 1.45rem; line-height: 1.25; }
.issued { margin: .3rem 0 0; color: var(--muted); font-size: .88rem; }
.lede { font-size: 1.02rem; }
.flag {
  margin: 1rem 0 0; padding: .7rem .85rem;
  border-radius: 8px; font-size: .9rem;
}
.flag-stale { background: var(--warn-bg); border: 1px solid var(--warn-line); }
.flag-done { background: var(--good-bg); color: var(--good); }
.rows { margin: 1.2rem 0 0; }
.row {
  display: grid; grid-template-columns: 5.5rem 1fr; gap: .75rem;
  padding: .7rem 0; border-top: 1px solid var(--line);
}
.row dt { color: var(--muted); font-size: .85rem; }
.row dd { margin: 0; }
.price { font-size: 1.22rem; font-weight: 700; }
.serial {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .86rem; color: var(--muted);
}
.tick, .cross {
  display: inline-block; margin-left: .25rem;
  padding: .1rem .45rem; border-radius: 99px;
  font-size: .74rem; font-weight: 600; white-space: nowrap;
}
.tick { background: var(--good-bg); color: var(--good); }
.cross { background: var(--bad-bg); color: var(--bad); }
.check {
  margin: 1rem 0 0; padding-top: .9rem;
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: .88rem;
}
.panel {
  margin-top: 1rem; padding: 1rem 1.15rem;
  background: var(--card);
  border: 1px solid var(--line); border-radius: 12px;
}
.panel h2 { margin: 0 0 .5rem; font-size: .98rem; }
.panel p { margin: .5rem 0; font-size: .9rem; color: var(--muted); }
.panel-warn { background: var(--warn-bg); border-color: var(--warn-line); }
.panel-warn ul { margin: .4rem 0 0; padding-left: 1.15rem; }
.panel-warn li { margin: .4rem 0; font-size: .89rem; }
.form { margin: 1.1rem 0 0; }
.label {
  display: block; margin-bottom: .35rem;
  font-size: .82rem; color: var(--muted);
}
.input {
  width: 100%; padding: .75rem .8rem;
  font: inherit; letter-spacing: .06em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
  color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px;
}
.action {
  display: inline-block; margin-top: .75rem;
  padding: .72rem 1.3rem;
  font: inherit; font-weight: 600;
  color: #fff; background: var(--accent);
  border: 0; border-radius: 8px;
  text-decoration: none; cursor: pointer;
}
.hint { margin: .7rem 0 0; color: var(--muted); font-size: .82rem; }
.testbanner {
  margin: 0 0 1rem;
  padding: .85rem 1rem;
  border: 2px solid var(--bad);
  border-radius: 10px;
  background: var(--bad-bg);
  color: var(--bad);
  font-size: .88rem;
  line-height: 1.45;
}
.testbanner strong { display: block; letter-spacing: .02em; }
.foot {
  max-width: 34rem; margin: 0 auto;
  padding: 0 1rem 2.5rem;
  color: var(--muted); font-size: .8rem;
}
.foot p { margin: .5rem 0; }