/**
 * Builder Fieldsets mit Akkordeon-Interaktion
 * Semantische <fieldset> Elemente mit optionalem Akkordeon via <div>
 */

/* Fieldset Basis-Styling */
.builder-fieldsets {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.builder-fieldset {
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  margin-bottom: 0;
  padding: 0;
  background-color: #ffffff;
}

.builder-fieldset:not(:last-child) {
  margin-bottom: 12px;
}

.builder-fieldset .builder-fieldset-legend {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  user-select: none;
  padding: 12px 16px;
  margin: 0;
  background-color: #f5f5f5;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  font-size: 14px;
  color: #333;
  transition: background-color 0.2s ease;
  border: none;
  width: 100%;
  text-align: left;
  box-shadow: none;
}

.builder-fieldset .builder-fieldset-legend:hover {
  background-color: #ebebeb;
}

.builder-fieldset .builder-fieldset-legend:active {
  background-color: #e0e0e0;
}

.builder-fieldset .builder-fieldset-legend:focus {
  outline: 2px solid #1e87f0;
  outline-offset: 2px;
}

.builder-fieldset .builder-fieldset-legend-main {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.builder-fieldset .builder-fieldset-legend-icon {
  font-size: 16px;
  color: #666;
  min-width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.builder-fieldset .builder-fieldset-legend-label {
  flex: 1;
}

.builder-fieldset .builder-fieldset-legend-toggle {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 12px;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.builder-fieldset.accordion-open .builder-fieldset-legend-toggle {
  transform: rotate(180deg);
}

/* Akkordeon Inhalt - Div basiert */
.builder-fieldset-body {
  max-height: 2000px;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 16px;
  display: block;
}

.builder-fieldset-body.accordion-collapsed {
  display: none;
  max-height: 0;
  padding: 0;
}

/* Dark Mode */
body.rex-theme-dark .builder-fieldset {
  border-color: #3a4654;
  background-color: #1f2933;
}

body.rex-theme-dark .builder-fieldset .builder-fieldset-legend {
  background-color: #2d3c4a;
  color: #e8f0f7;
}

body.rex-theme-dark .builder-fieldset .builder-fieldset-legend:hover {
  background-color: #354655;
}

body.rex-theme-dark .builder-fieldset .builder-fieldset-legend:active {
  background-color: #3c5264;
}

body.rex-theme-dark .builder-fieldset .builder-fieldset-legend-icon {
  color: #b0b8c1;
}

body.rex-theme-dark .builder-fieldset-body {
  background-color: #1f2933;
}

/* Media Query Dark Mode */
@media (prefers-color-scheme: dark) {
  body.rex-has-theme:not(.rex-theme-light) .builder-fieldset {
    border-color: #3a4654;
    background-color: #1f2933;
  }

  body.rex-has-theme:not(.rex-theme-light) .builder-fieldset .builder-fieldset-legend {
    background-color: #2d3c4a;
    color: #e8f0f7;
  }

  body.rex-has-theme:not(.rex-theme-light) .builder-fieldset .builder-fieldset-legend:hover {
    background-color: #354655;
  }

  body.rex-has-theme:not(.rex-theme-light) .builder-fieldset .builder-fieldset-legend-icon {
    color: #b0b8c1;
  }

  body.rex-has-theme:not(.rex-theme-light) .builder-fieldset-body {
    background-color: #1f2933;
  }
}