.tool-card h2 {
  margin-top: 0;
}

.grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

textarea {
  width: 100%;
  min-height: 240px;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 12px;
  font-size: 15px;
  resize: vertical;
}

.results {
  margin-top: var(--space-3);
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #f8fafc;
  padding: 12px;
  max-height: 360px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
}

.diff-line {
  display: flex;
  gap: 12px;
  padding: 4px 8px;
  border-radius: 8px;
}

.diff-line.add {
  background: rgba(34, 197, 94, 0.12);
}

.diff-line.remove {
  background: rgba(239, 68, 68, 0.12);
}

.diff-line.same {
  color: #475569;
}

.diff-tag {
  width: 40px;
  font-weight: 600;
  flex-shrink: 0;
}

.muted {
  color: #b91c1c;
  min-height: 18px;
  margin-top: 8px;
}

.actions {
  flex-wrap: wrap;
}