.tool-ui {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.625rem 0.875rem;
}

.tool-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.status-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}

.status-box.valid {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.status-box.invalid {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.status-box.idle {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}

.editor-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
}

.json-textarea {
  width: 100%;
  min-height: 380px;
  background: #0F1117;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
  color: var(--color-snow);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  tab-size: 2;
  transition: border-color 0.2s;
}

.json-textarea:focus {
  border-color: var(--color-accent);
}

.editor-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.stats-info {
  font-family: 'JetBrains Mono', monospace;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.45rem 0.9rem;
  font-size: 0.825rem;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  transition: opacity 0.2s;
}

.btn-primary:hover {
  opacity: 0.85;
}

.btn-secondary {
  background: transparent;
  color: var(--color-snow);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.45rem 0.85rem;
  font-size: 0.825rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.select-compact {
  background: #0F1117;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  color: var(--color-snow);
  font-size: 0.825rem;
  outline: none;
  transition: border-color 0.2s;
}

.select-compact:focus {
  border-color: var(--color-accent);
}

.ad-post-op {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: center;
}