web/src/components/MessageContent.css

/* ─── Root ───────────────────────────────────────────────────────────────── */
.mc-root {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--gray-800);
  width: 100%;
}

/* ─── Stage header ───────────────────────────────────────────────────────── */
.mc-stage {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 0 2px;
  border-top: 1px solid var(--gray-100);
  margin-top: 4px;
}

.mc-stage:first-child {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

/* ─── Thinking text ──────────────────────────────────────────────────────── */
.mc-thinking {
  font-size: 0.8125rem;
  color: var(--gray-500);
  font-style: italic;
}

/* ─── Response block (markdown) ──────────────────────────────────────────── */
.mc-response {
  color: var(--gray-800);
}

.mc-response p {
  margin: 0 0 8px;
}

.mc-response p:last-child {
  margin-bottom: 0;
}

.mc-response strong {
  font-weight: 600;
  color: var(--gray-900);
}

.mc-response em {
  font-style: italic;
}

.mc-response ul,
.mc-response ol {
  margin: 4px 0 8px 20px;
  padding: 0;
}

.mc-response li {
  margin-bottom: 2px;
}

.mc-response h1,
.mc-response h2,
.mc-response h3,
.mc-response h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-900);
  margin: 10px 0 4px;
}

.mc-response code {
  font-family: monospace;
  font-size: 0.875em;
  background: var(--gray-100);
  padding: 1px 5px;
  border-radius: 4px;
}

/* ─── Tool output (monospace block) ─────────────────────────────────────── */
.mc-tool-output {
  background: var(--gray-900);
  border-radius: 8px;
  overflow: hidden;
}

.mc-tool-output-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 12px 4px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mc-tool-output pre {
  margin: 0;
  padding: 10px 12px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #e2e8f0;
  white-space: pre;
  overflow-x: auto;
}

/* ─── Image blocks (GradCAM, comparison) ────────────────────────────────── */
.mc-image-block {
  margin-top: 4px;
}

.mc-image-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.mc-gradcam-img {
  width: 100%;
  max-width: 380px;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  display: block;
}

.mc-comparison-img {
  width: 100%;
  max-width: 560px;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  display: block;
}

/* ─── GradCAM side-by-side comparison ───────────────────────────────────── */
.mc-gradcam-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  max-width: 560px;
}

.mc-gradcam-compare-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mc-gradcam-compare-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-600);
  text-align: center;
}

.mc-gradcam-compare-img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  display: block;
}

/* ─── Result / error / complete / observation ───────────────────────────── */
.mc-result {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border: 1px solid #86efac;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #15803d;
}

.mc-error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.875rem;
  color: #dc2626;
}

.mc-complete {
  font-size: 0.8rem;
  color: var(--gray-400);
  text-align: right;
}

.mc-observation {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-style: italic;
}

/* ─── Plain streaming text ───────────────────────────────────────────────── */
.mc-text {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--gray-700);
  font-size: 0.875rem;
}

/* ─── References ─────────────────────────────────────────────────────────── */
.mc-references {
  border-top: 1px solid var(--gray-100);
  padding-top: 8px;
  margin-top: 4px;
}

.mc-references-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.mc-ref-item {
  font-size: 0.8125rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.mc-ref-sup {
  font-size: 0.6875rem;
  vertical-align: super;
  margin-right: 4px;
  color: var(--primary);
  font-weight: 600;
}

.mc-ref-source {
  font-style: italic;
}

.mc-ref-page {
  color: var(--gray-400);
}