:root {
  color-scheme: light dark;
}

body {
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(99, 102, 241, 0.18), transparent),
    radial-gradient(1000px 500px at 90% 0%, rgba(16, 185, 129, 0.16), transparent),
    var(--bc-body-bg, #0b0f19);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px;
}

.brand__title {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand__subtitle {
  font-size: 0.9rem;
  opacity: 0.75;
}

.pill {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  border: 1px solid rgba(127, 127, 127, 0.25);
}

.grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.pane {
  padding: 16px;
  display: flex;
  flex-direction: column;
  min-height: 520px;
}

.pane__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.pane__title {
  font-weight: 600;
}

.pane__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.chat {
  flex: 1;
  overflow: auto;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(127, 127, 127, 0.2);
  background: rgba(0, 0, 0, 0.12);
}

.msg {
  display: grid;
  gap: 6px;
  padding: 10px 10px;
  margin-bottom: 10px;
  border-radius: 12px;
  border: 1px solid rgba(127, 127, 127, 0.18);
}

.msg__meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.82rem;
  opacity: 0.75;
}

.msg__role {
  font-weight: 600;
}

.msg--user {
  background: rgba(99, 102, 241, 0.12);
}

.msg--assistant {
  background: rgba(16, 185, 129, 0.10);
}

.msg__text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.4;
}

.composer {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.composer .input {
  flex: 1;
}

.kv {
  display: grid;
  gap: 10px;
}

.kv__row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  align-items: center;
}

.kv__key {
  font-size: 0.85rem;
  opacity: 0.75;
}

.kv__val {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New",
    monospace;
  font-size: 0.9rem;
}

.note {
  margin-top: 14px;
  font-size: 0.9rem;
  opacity: 0.75;
  border-top: 1px solid rgba(127, 127, 127, 0.18);
  padding-top: 12px;
}

.footer {
  margin-top: 14px;
  opacity: 0.7;
  font-size: 0.85rem;
}

.muted {
  opacity: 0.8;
}