:root {
  --fg: #1b1b1b;
  --muted: #6a6a6a;
  --bg: #fbfbf8;
  --card: #ffffff;
  --line: #e3e3dc;
  --accent: #2f6f4f;
  --err: #b3261e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
header {
  padding: 1.2rem 1.5rem 0.8rem;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
header h1 { margin: 0 0 0.3rem; font-size: 1.4rem; }
.sub { margin: 0.4rem 0 0; color: var(--muted); font-size: 0.9rem; }
.controls { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.authbar { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
main { max-width: 880px; margin: 0 auto; padding: 1.5rem; }
section { margin-bottom: 2.5rem; }
h2 { font-size: 1.1rem; border-bottom: 1px solid var(--line); padding-bottom: 0.3rem; }

.muted { color: var(--muted); }
.ok { color: var(--accent); }
.err { color: var(--err); }

input.token { width: 22rem; max-width: 60vw; padding: 0.35rem 0.5rem; border: 1px solid var(--line); border-radius: 5px; }
.btn { padding: 0.35rem 0.7rem; border: 1px solid var(--accent); background: var(--accent); color: #fff; border-radius: 5px; cursor: pointer; font-size: 0.85rem; }
.btn:disabled { opacity: 0.5; cursor: default; }
.linkbtn { border: none; background: none; color: var(--accent); cursor: pointer; text-decoration: underline; font-size: 0.85rem; }

.msg { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 1rem; margin-bottom: 1rem; }
.msg-head code { background: #f0f0ea; padding: 0.1rem 0.35rem; border-radius: 4px; font-size: 0.8rem; }
.msg-body { font-size: 0.92rem; margin: 0.5rem 0; }
.msg-body blockquote { border-left: 3px solid var(--line); margin: 0.4rem 0; padding-left: 0.8rem; color: #333; }
.reply { margin-top: 0.6rem; }
.reply textarea, .compose textarea { width: 100%; padding: 0.5rem; border: 1px solid var(--line); border-radius: 6px; font: inherit; resize: vertical; }
.reply-actions { display: flex; gap: 0.8rem; align-items: center; margin-top: 0.4rem; flex-wrap: wrap; }
.status { font-size: 0.85rem; }

#bulletin { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 0.5rem 1.2rem; }
#bulletin h1 { font-size: 1.25rem; }
#bulletin h2 { font-size: 1.05rem; margin-top: 1.4rem; }
#bulletin h3 { font-size: 0.95rem; }
#bulletin blockquote { border-left: 3px solid var(--line); margin: 0.4rem 0; padding-left: 0.8rem; color: #444; }
#bulletin code { background: #f0f0ea; padding: 0.05rem 0.3rem; border-radius: 4px; font-size: 0.85em; }
#bulletin a { color: var(--accent); }