:root {
  --bg: #0f1419;
  --panel: #161d27;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #4f9cf9;
  --warn-bg: #3a2c12;
  --warn-border: #a06b1a;
  --info-bg: #10263a;
  --info-border: #1f5c8a;
  --ok: #3fb950;
  --err: #f85149;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.topbar-title { font-weight: 600; }
.topbar nav a { color: var(--accent); text-decoration: none; margin-left: 16px; }

.banner {
  padding: 10px 20px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.banner-warning { background: var(--warn-bg); border-color: var(--warn-border); }
.banner-info { background: var(--info-bg); border-color: var(--info-border); }

.layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 16px;
  padding: 16px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.chat-panel, .admin-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.controls { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.controls select { background: var(--bg); color: var(--text); border: 1px solid var(--border); padding: 4px 8px; border-radius: 4px; }
.provider-badge { margin-left: auto; color: var(--muted); font-size: 12px; }

.messages { min-height: 300px; max-height: 55vh; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; margin-bottom: 12px; }

.msg { padding: 10px 12px; border-radius: 8px; max-width: 90%; }
.msg-user { align-self: flex-end; background: #1f3a5f; }
.msg-assistant { align-self: flex-start; background: #1a2230; border: 1px solid var(--border); }

.msg-assistant div, td div { margin: 2px 0; }
.msg-assistant strong, td strong { color: #f2f6fa; }
.msg-assistant code, td code {
  background: #0c1117; border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 5px; font-size: 0.92em;
}
.msg-assistant ul, .msg-assistant ol, td ul, td ol { margin: 4px 0; padding-left: 22px; }
.msg-assistant a, td a { color: var(--accent); }

.status-badge { display: inline-block; font-size: 11px; padding: 1px 6px; border-radius: 4px; margin-left: 6px; }
.status-ok { background: rgba(63,185,80,.15); color: var(--ok); }
.status-not_found, .status-ambiguous, .status-forbidden { background: rgba(248,81,73,.15); color: var(--err); }

details.trace { margin-top: 8px; font-size: 12px; color: var(--muted); }
details.trace summary { cursor: pointer; color: var(--accent); }
details.trace pre { white-space: pre-wrap; word-break: break-word; background: #0c1117; padding: 8px; border-radius: 6px; }

.chat-form { display: flex; gap: 8px; }
.chat-form textarea { flex: 1; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 8px; resize: vertical; }
.chat-form button, #regenerate-btn { background: var(--accent); color: #04101f; border: none; padding: 8px 16px; border-radius: 6px; cursor: pointer; font-weight: 600; }
.chat-form button:disabled, #regenerate-btn:disabled { opacity: .6; cursor: not-allowed; }

#regenerate-status { margin-top: 10px; font-size: 12px; color: var(--muted); white-space: pre-wrap; }

.audit-layout { padding: 16px 20px; max-width: 1200px; margin: 0 auto; }
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
td pre { white-space: pre-wrap; word-break: break-word; margin: 0; font-size: 11px; color: var(--muted); }