.editor-mode-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg);
}

.editor-mode-toggle__btn {
  font: inherit;
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  border: none;
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
}

.editor-mode-toggle__btn:hover {
  color: var(--text);
}

.editor-mode-toggle__btn.is-active {
  background: var(--accent);
  color: white;
}

.editor-mode-toggle__btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.editor-pane__views {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#form-editor {
  flex: 1;
  min-height: 0;
}

#form-editor {
  overflow: auto;
  padding: 0.75rem;
}

#form-editor[hidden],
#json-input[hidden] {
  display: none;
}

.form-section {
  margin-bottom: 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--panel);
}

.form-section__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  cursor: pointer;
  user-select: none;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.form-section__head:hover {
  background: var(--panel);
}

.form-section__head:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.form-section--collapsed .form-section__head {
  border-bottom: none;
}

.form-section__head-start {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  flex: 1;
}

.form-section__chevron {
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1;
  transition: transform 0.15s ease;
}

.form-section--collapsed .form-section__chevron {
  transform: rotate(-90deg);
}

.form-section__title {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.form-section__body {
  padding: 0.65rem;
}

.form-section--collapsed .form-section__body {
  display: none;
}

.form-subsection {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.form-subsection__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.form-subsection__title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 0.65rem;
}

.form-grid .form-field--full {
  grid-column: 1 / -1;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.form-field__label {
  font-size: 0.7rem;
  color: var(--muted);
}

.form-input {
  font: inherit;
  font-size: 0.8rem;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--editor-bg);
  color: var(--editor-text);
  width: 100%;
  box-sizing: border-box;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-input--textarea {
  resize: vertical;
  min-height: 4rem;
  line-height: 1.45;
  font-family: inherit;
}

.form-hint {
  font-size: 0.68rem;
  color: var(--muted);
  margin: 0.2rem 0 0;
}

.form-card-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.form-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
}

.form-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 0.6rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.form-card__title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.form-card__body {
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-btn {
  font: inherit;
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--bg);
  color: var(--text);
  flex-shrink: 0;
}

.form-btn--add {
  color: var(--accent);
  border-color: var(--accent);
}

.form-btn--add:hover,
.form-btn--remove:hover {
  opacity: 0.9;
}

.form-btn--remove {
  color: var(--error);
  border-color: var(--border);
  background: var(--bg);
}

.form-btn--icon {
  width: 1.6rem;
  height: 1.6rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  line-height: 1;
  font-weight: 600;
}

@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}