:root {
    color-scheme: light dark;
    --bg: #fff;
    --fg: #1a1a1a;
    --muted: #666;
    --border: #ddd;
    --accent: #7a3b2e;
}
@media (prefers-color-scheme: dark) {
    :root { --bg: #14120f; --fg: #eee; --muted: #999; --border: #333; --accent: #d98b6f; }
}
* { box-sizing: border-box; }
body {
    font-family: Georgia, 'Times New Roman', serif;
    background: var(--bg);
    color: var(--fg);
    margin: 0;
    line-height: 1.5;
}
main { max-width: 900px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
.site-header { border-bottom: 2px solid var(--border); padding: 1.5rem 1rem; text-align: center; }
.brand { font-size: 2rem; font-weight: bold; text-decoration: none; color: var(--fg); }
.brand span { color: var(--accent); }
.tagline { color: var(--muted); margin: .25rem 0 0; font-style: italic; }
a { color: var(--accent); }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
th, td { text-align: left; padding: .5rem; border-bottom: 1px solid var(--border); }
.meta, .hint { color: var(--muted); font-size: .9rem; }
.key-badge { display: inline-block; background: #b8860b; color: #fff; font-size: .6em; font-weight: bold; padding: .15rem .5rem; border-radius: .3rem; vertical-align: middle; }
.key-reason { color: var(--accent); font-style: italic; font-size: .9rem; }
.cover-wrap { margin: 1rem 0; }
.cover-image { max-width: 240px; display: block; border: 1px solid var(--border); border-radius: .4rem; margin: 0 0 .25rem; }
.cover-credit { color: var(--muted); font-size: .75rem; margin: 0; }
.breadcrumb { color: var(--muted); font-size: .85rem; }
.tier { display: inline-block; padding: .15rem .5rem; border-radius: .3rem; font-size: .8rem; font-weight: bold; border: 1px solid var(--border); }
.tier-A { background: #1f6f3d; color: #fff; border-color: #1f6f3d; }
.tier-B { background: #2f6f9f; color: #fff; border-color: #2f6f9f; }
.tier-C { background: #b98a1f; color: #fff; border-color: #b98a1f; }
.tier-D { background: #8a8a8a; color: #fff; border-color: #8a8a8a; }
.tier-derived { background: transparent; color: var(--muted); border-style: dashed; }
.record { border: 1px solid var(--border); border-radius: .5rem; padding: 1rem; margin-bottom: 1rem; }
.record-derived { border-style: dashed; opacity: .85; }
.record-top { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; margin-bottom: .5rem; }
.qty { font-weight: bold; font-size: 1.1rem; }
.qtype, .printing-tag { color: var(--muted); font-size: .85rem; }
.claim { margin: .5rem 0; }
.source { font-size: .85rem; color: var(--muted); }
.link-broken { color: #b9701f; cursor: help; }
.empty { color: var(--muted); font-style: italic; }
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 1rem; text-align: center; color: var(--muted); font-size: .8rem; }
.site-footer .attribution { margin-top: .5rem; }
form { display: flex; flex-direction: column; gap: .6rem; margin: .75rem 0 1.5rem; max-width: 500px; }
label { display: flex; flex-direction: column; gap: .2rem; font-size: .9rem; }
.checkbox-label { flex-direction: row; align-items: center; gap: .5rem; }
.checkbox-label input { order: -1; }
input, select, textarea, button { font: inherit; padding: .4rem; border: 1px solid var(--border); border-radius: .3rem; background: var(--bg); color: var(--fg); }
button { cursor: pointer; align-self: flex-start; padding: .5rem 1rem; background: var(--accent); color: #fff; border: none; }
details { border: 1px solid var(--border); border-radius: .5rem; padding: .75rem 1rem; margin-bottom: .75rem; }
summary { cursor: pointer; font-weight: bold; }
.error { color: #c0392b; }
.ok { color: #1f6f3d; }
.submit-cta { border-top: 1px solid var(--border); padding-top: 1rem; margin-top: 1.5rem; font-size: .9rem; }