:root {
  color-scheme: light dark;
  --bg: #f6f7f8;
  --fg: #1b1f23;
  --muted: #6a737d;
  --border: #d9dde1;
  --link: #0969da;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0d1117; --fg: #e6edf3; --muted: #8b949e; --border: #30363d; --link: #58a6ff; --card: #161b22; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.site-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.site-title { font-size: 20px; font-weight: 700; }
.archive-note { color: var(--muted); font-size: 13px; margin-top: 4px; }
.breadcrumbs { padding: 10px 24px; font-size: 13px; color: var(--muted); }
.breadcrumbs .sep { margin: 0 6px; }
.breadcrumbs .current { color: var(--fg); }
main { max-width: 960px; margin: 0 auto; padding: 8px 24px 48px; }
.site-footer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px; }

ul.forum-tree, ul.forum-children { list-style: none; padding-left: 0; margin: 0 0 16px; }
ul.forum-children { padding-left: 24px; margin-top: 6px; }
li.forum-node {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  margin-bottom: 8px;
}
.forum-link { font-weight: 600; }
.count { color: var(--muted); font-size: 12px; margin-left: 8px; }

table.thread-list { width: 100%; border-collapse: collapse; margin-top: 12px; }
table.thread-list th, table.thread-list td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
table.thread-list th { color: var(--muted); font-weight: 600; }

.posts { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.post {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  padding: 14px;
}
.post-author { text-align: center; }
.post-author .avatar { border-radius: 6px; }
.author-name { font-weight: 600; margin-top: 6px; }
.usertitle { color: var(--muted); font-size: 12px; }
.post-meta { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.post-content img { max-width: 100%; height: auto; border-radius: 6px; }
.post-content blockquote {
  border-left: 3px solid var(--border);
  margin: 8px 0;
  padding: 4px 12px;
  color: var(--muted);
}
@media (max-width: 600px) {
  .post { grid-template-columns: 1fr; }
  .post-author { display: flex; align-items: center; gap: 10px; text-align: left; }
}

.member-profile {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  padding: 16px;
  text-align: center;
  max-width: 320px;
}
.avatar-large { border-radius: 8px; }
ul.member-info { list-style: none; padding: 0; text-align: left; margin-top: 12px; font-size: 13px; }
ul.member-info label { color: var(--muted); }