/* Component: Tool Input Group (Tooling interface) */

.tool-interface {
  background-color: var(--color-surface-container);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.tool-app {
  display: grid;
  gap: var(--space-4);
}

.tool-app.cols-2 {
  grid-template-columns: 1fr 1fr;
}

.tool-app.cols-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.tool-app.two-col {
  grid-template-columns: 1fr 1fr;
}

.tool-app.span-full {
  grid-column: 1 / -1;
}

@media (max-width: 600px) {
  .tool-app.cols-2,
  .tool-app.cols-3,
  .tool-app.two-col {
    grid-template-columns: 1fr;
  }
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.input-group label {
  font-weight: 600;
  font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.input-group input,
.input-group select,
.input-group textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  min-height: 40px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-container-lowest);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: border-color var(--duration-fast) var(--easing-standard),
    box-shadow var(--duration-fast) var(--easing-standard),
    background-color var(--duration-fast) var(--easing-standard);
}

.input-group input::placeholder,
.input-group textarea::placeholder {
  color: var(--color-text-muted);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--color-focus-ring);
  background-color: var(--color-surface-container-lowest);
  box-shadow: 0 0 0 2px rgba(47, 111, 235, 0.25);
}

.input-group input[type="number"] {
  font-family: var(--font-family-mono);
}

.input-group textarea {
  resize: vertical;
  min-height: 8rem;
  line-height: var(--line-height-base);
}

.input-group .input-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.input-group .input-error {
  display: none;
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.input-group.has-error .input-error {
  display: block;
}

.input-group.has-error input,
.input-group.has-error select,
.input-group.has-error textarea {
  border-color: var(--color-error);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.checkbox-row input {
  width: auto;
  min-height: 0;
  accent-color: var(--color-primary);
}

.checkbox-row label {
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0;
}

.field-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.field-row .input-group {
  flex: 1 1 10rem;
}