:root {
  color-scheme: light dark;
  --bg: #f7f8fa;
  --fg: #1b1f24;
  --muted: #5b6570;
  --card: #ffffff;
  --line: #d8dde3;
  --accent: #1f5fbf;
  --accent-fg: #ffffff;
  --ok: #1a7f37;
  --err: #b42318;
  --code: #eef1f4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --fg: #e6e9ec;
    --muted: #9aa5b1;
    --card: #1c2126;
    --line: #2f373f;
    --accent: #5b9dff;
    --accent-fg: #0b1220;
    --ok: #4cc26b;
    --err: #ff8a80;
    --code: #232a31;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 56rem; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
header.bar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  flex-wrap: wrap; margin-bottom: 1.5rem;
}
h1 { font-size: 1.6rem; margin: 0; }
h2 { font-size: 1.25rem; margin: 1.25rem 0 0.5rem; }
h3 { font-size: 1.05rem; margin: 1.25rem 0 0.4rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.25rem; margin-bottom: 1.25rem;
}
.muted { color: var(--muted); }
a { color: var(--accent); }
button, .button {
  font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--fg); padding: 0.45rem 0.9rem; text-decoration: none;
  display: inline-block;
}
button.primary, .button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
input[type=text], input[type=number], input[type=file] {
  font: inherit; color: inherit; background: transparent; border: 1px solid var(--line);
  border-radius: 8px; padding: 0.4rem 0.6rem; max-width: 100%;
}
input[type=number] { width: 6rem; }
label { display: inline-block; margin-right: 1rem; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: end; margin: 0.75rem 0; }
.status { min-height: 1.5rem; margin-top: 0.5rem; }
.status.busy { color: var(--accent); }
.status.ok { color: var(--ok); }
.status.error { color: var(--err); }
pre, code { background: var(--code); border-radius: 6px; }
pre { padding: 0.75rem; overflow-x: auto; font-size: 0.85rem; }
code { padding: 0.1rem 0.3rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
dl.stats { display: grid; grid-template-columns: max-content 1fr; gap: 0.15rem 1rem; margin: 0; }
dl.stats dt { color: var(--muted); white-space: pre; }
dl.stats dd { margin: 0; }
ul.outline { list-style: none; padding: 0; margin: 0; font-size: 0.92rem; }
ol.refs { padding-left: 1.4rem; font-size: 0.9rem; }
ol.affiliations { font-size: 0.85rem; color: var(--muted); }
.abstract { white-space: pre-wrap; }
.token-box { border: 1px dashed var(--accent); border-radius: 8px; padding: 0.75rem; margin: 0.75rem 0; }
.token-box code { word-break: break-all; }
.hero { padding: 2rem 0 1rem; }
.hero p { max-width: 42rem; }
[hidden] { display: none !important; }
@media (max-width: 600px) { main { padding: 1rem 0.75rem 3rem; } }