* { box-sizing: border-box; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  max-width: 720px; margin: 0 auto; padding: 16px;
  display: flex; flex-direction: column; min-height: 100dvh;
  background: #f7f7f8; color: #1a1a1a;
}
header { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-bottom: 12px; }
.identity { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 48px; height: 48px; border-radius: 50%; background: #1d4ed8; color: #fff;
  display: grid; place-items: center; font-weight: 700;
}
h1 { font-size: 1.1rem; }
.headline { font-size: 0.85rem; color: #555; }
.status { font-size: 0.8rem; color: #555; display: flex; align-items: center; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #bbb; display: inline-block; }
.dot.up { background: #16a34a; }
.dot.degraded { background: #d97706; }
.dot.down { background: #dc2626; }
main { flex: 1; display: flex; flex-direction: column; gap: 12px; }
#chat-log { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; min-height: 280px; }
.bubble { padding: 10px 14px; border-radius: 14px; max-width: 85%; white-space: pre-wrap; }
.bubble.user { background: #1d4ed8; color: #fff; align-self: flex-end; }
.bubble.assistant { background: #fff; border: 1px solid #e5e5e5; align-self: flex-start; }
.bubble.error { border-color: #dc2626; color: #7f1d1d; }
#starters { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid #cbd5e1; background: #fff; border-radius: 999px;
  padding: 6px 12px; font-size: 0.8rem; cursor: pointer;
}
#chat-form { display: flex; gap: 8px; }
#chat-input { flex: 1; padding: 12px; border: 1px solid #cbd5e1; border-radius: 10px; font-size: 1rem; }
#send-btn { padding: 12px 18px; border: 0; border-radius: 10px; background: #1d4ed8; color: #fff; cursor: pointer; }
#send-btn:disabled { opacity: 0.5; }
#char-counter { margin: 4px 2px 0; font-size: 0.75rem; color: #888; text-align: right; }
#char-counter.near-limit { color: #d97706; font-weight: 600; }
footer { padding-top: 12px; font-size: 0.75rem; color: #666; }
.disclosure { margin-top: 6px; }