:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --text: #1f1d1a;
  --muted: #6b665d;
  --border: #ddd8cc;
  --accent: #7a2e2a;
  --accent-text: #ffffff;
  --user-bg: #efe9dc;
  --error: #b3261e;
  --ok: #2f6b3a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1917;
    --card: #24221f;
    --text: #ece8df;
    --muted: #a39e93;
    --border: #3a3732;
    --accent: #c0655d;
    --accent-text: #1a1917;
    --user-bg: #2e2b26;
    --error: #f2847c;
    --ok: #7fc28b;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
main { max-width: 900px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.5rem; margin: 0 0 12px; }
h2 { font-size: 1.2rem; margin: 0 0 12px; }
h3 { font-size: 1rem; margin: 12px 0 4px; }

.topbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px;
  padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--border);
}
.topbar nav { display: flex; gap: 12px; flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; }
.logout { margin-left: auto; display: flex; gap: 8px; align-items: center; }

.demo-banner { margin: 0; padding: 6px 16px; text-align: center; background: var(--user-bg); color: var(--muted); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; margin-bottom: 16px;
}
.card.resolved { opacity: .65; }
.narrow { max-width: 420px; margin: 40px auto; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.push-right { margin-left: auto; }
.muted { color: var(--muted); font-size: .9em; font-weight: normal; }
.error { color: var(--error); }
.notice { border: 1px solid var(--ok); border-radius: 6px; padding: 8px 12px; }
.badge {
  display: inline-block; font-size: .8em; padding: 0 6px; border-radius: 4px;
  border: 1px solid var(--ok); color: var(--ok);
}

label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; }
.row label { flex-direction: row; align-items: center; gap: 8px; }
input, textarea, select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px; width: 100%;
}
.row select { width: auto; }
textarea { resize: vertical; }
.mono, pre { font-family: ui-monospace, Consolas, monospace; font-size: .9rem; }
button {
  font: inherit; cursor: pointer; border: 0; border-radius: 6px; padding: 8px 14px;
  background: var(--accent); color: var(--accent-text); align-self: flex-start;
}
a.button {
  display: inline-block; text-decoration: none; border-radius: 6px; padding: 8px 14px;
  background: var(--accent); color: var(--accent-text);
}
button:disabled { opacity: .6; cursor: progress; }
button.link { background: none; color: var(--accent); padding: 0; text-decoration: underline; }

.spinner { display: none; }
button:disabled .spinner {
  display: inline-block; width: .9em; height: .9em; margin-left: 6px; vertical-align: -1px;
  border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

pre { white-space: pre-wrap; word-wrap: break-word; margin: 0; }

.chat-list { padding-left: 20px; margin: 12px 0 0; }
.search input { flex: 1; min-width: 160px; width: auto; }
.chat-manage { margin: -4px 0 12px; }
.chat-manage summary { cursor: pointer; color: var(--muted); font-size: .9em; }
.chat-manage form { margin-top: 8px; }
.chat-manage input { width: auto; flex: 1; min-width: 200px; }
button.danger { background: var(--error); }
.chat-head { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: flex-start; justify-content: space-between; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.msg { border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-bottom: 12px; background: var(--card); }
.msg-user { background: var(--user-bg); }
.msg header { font-weight: 600; margin-bottom: 6px; }
.comment { border-left: 3px solid var(--accent); padding: 4px 10px; margin-top: 10px; }
.comment-form { margin-top: 10px; }
.comment-form summary { cursor: pointer; color: var(--accent); }
.comment-form form { margin-top: 8px; }

table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: .95em; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.card table { display: block; overflow-x: auto; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .two-col { grid-template-columns: 1fr; } }
.model-list { margin: 8px 0 0; padding-left: 22px; }
.model-list li { margin: 4px 0; }
.group-link { border: 1px dashed var(--border); border-radius: 6px; padding: 10px 12px; margin: 8px 0; }
.group-link code { display: block; word-break: break-all; margin-bottom: 8px; }
.wait-hint { margin: 0; font-size: .85em; }
.wait-note { display: none; color: var(--muted); font-style: italic; }
form.htmx-request .wait-note { display: inline; }
.error-box { border: 1px solid var(--error); border-left-width: 4px; border-radius: 6px; padding: 10px 14px; margin: 12px 0; background: var(--card); }
.error-box p { margin: 4px 0; }
.error-box summary { cursor: pointer; color: var(--muted); font-size: .9em; }
.help img { display: block; max-width: 100%; height: auto; margin: 12px 0 20px; border: 1px solid var(--border); border-radius: 6px; }
.help h2 { margin-top: 24px; }
.help li { margin: 4px 0; }
.copy-code { margin-left: 8px; padding: 4px 10px; font-size: .85em; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }