:root {
  --bg: #0a0a0a;
  --bg-2: #141414;
  --fg: #e8e8e8;
  --fg-dim: #888;
  --accent: #fff;
  --border: #222;
  --error: #ff6b6b;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  min-height: 100vh;
}

.mono {
  font-family: inherit;
}

.topbar {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.brand-name {
  font-weight: 600;
}

.brand-sub {
  color: var(--fg-dim);
  margin-left: 8px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 16px;
  padding: 16px 24px;
  min-height: calc(100vh - 60px);
}

.pane {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pane-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  color: var(--fg-dim);
}

.model-indicator,
.loading-indicator {
  font-size: 12px;
  color: var(--fg-dim);
}

textarea#tools {
  flex: 1;
  min-height: 400px;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px;
  font-size: 13px;
  resize: none;
}

input#query {
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 14px;
}

.result-pane {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  overflow: auto;
}

.result-pane.error {
  color: var(--error);
}

.examples {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.example-chip {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: opacity 120ms ease-in-out;
}

.example-chip:hover:not(:disabled) {
  background: var(--bg-2);
}

.example-chip:disabled,
input#query:disabled,
textarea#tools:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Subtle pulse on the status text while model is loading or generating. */
.loading-indicator.busy {
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 1; }
}

.error-inline {
  color: var(--error);
  font-size: 12px;
  margin-top: 4px;
}