:root {
  --bg: #f6f5f2; --fg: #1f1f1f; --muted: #6b6b6b; --card: #fff; --line: #e3e1dc;
  --accent: #b5533c; --tag: #e8f0e8;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #17181a; --fg: #ececec; --muted: #9a9a9a; --card: #222427; --line: #33363a;
    --accent: #e08a72; --tag: #2b3a2b; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header.top { display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: .75rem 1.25rem; border-bottom: 1px solid var(--line); background: var(--card); }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--fg); }
nav { display: flex; align-items: center; gap: 1rem; }
.inline { display: inline; margin: 0; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; }
.search input { padding: .35rem .6rem; border: 1px solid var(--line); border-radius: 6px;
  background: var(--bg); color: var(--fg); min-width: 14rem; }
main { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }
.empty { color: var(--muted); }
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: .85rem 1rem; display: flex; flex-direction: column; gap: .5rem; }
.card-main { display: flex; gap: .75rem; color: var(--fg); align-items: flex-start; }
.favicon { font-size: 1.6rem; line-height: 1; }
.card-text { display: flex; flex-direction: column; gap: .15rem; min-width: 0; }
.card-title { font-weight: 600; overflow-wrap: anywhere; }
.card-desc { color: var(--muted); font-size: .9rem; }
.card-meta { display: flex; flex-wrap: wrap; gap: .75rem; color: var(--muted); font-size: .8rem; }
.tag { background: var(--tag); padding: 0 .4rem; border-radius: 4px; }
.detail h1 { font-size: 1.4rem; display: flex; gap: .5rem; align-items: center; }
.detail .desc { color: var(--muted); }
.detail .meta { color: var(--muted); font-size: .9rem; }
.detail h2 { font-size: 1.05rem; margin-top: 1.75rem; }
table.files { border-collapse: collapse; width: 100%; font-size: .9rem; }
table.files td { padding: .3rem .5rem; border-bottom: 1px solid var(--line); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.thread { border: 1px solid var(--line); border-radius: 8px; padding: .6rem .8rem; margin: .6rem 0;
  background: var(--card); }
.thread.resolved { opacity: .6; }
.comment p { margin: .2rem 0 .4rem; white-space: pre-wrap; }
.comment.reply { margin-left: 1.5rem; border-left: 2px solid var(--line); padding-left: .6rem; }
.when { color: var(--muted); font-size: .8rem; }
.reply-form, .new-comment { display: flex; gap: .5rem; margin-top: .5rem; }
.reply-form input, .new-comment textarea { flex: 1; padding: .4rem .6rem; border: 1px solid var(--line);
  border-radius: 6px; background: var(--bg); color: var(--fg); font: inherit; }
.new-comment { flex-direction: column; align-items: flex-start; }
button { padding: .4rem .9rem; border: 1px solid var(--accent); background: var(--accent);
  color: #fff; border-radius: 6px; cursor: pointer; font: inherit; }
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login { background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 2rem; display: flex; flex-direction: column; gap: 1rem; min-width: 18rem; }
.login h1 { margin: 0; font-size: 1.3rem; }
.login label { display: flex; flex-direction: column; gap: .3rem; }
.login input { padding: .5rem .6rem; border: 1px solid var(--line); border-radius: 6px;
  background: var(--bg); color: var(--fg); font: inherit; }
.error { color: var(--accent); margin: 0; }