.collapse-section {
  position: relative;
}

.collapse-section.is-collapsed {
  min-height: 0 !important;
}

.collapse-section.is-collapsed .sheet-stage-header,
.collapse-section.is-collapsed .table-header,
.collapse-section.is-collapsed > h1,
.collapse-section.is-collapsed > h2,
.collapse-section.is-collapsed > h3,
.collapse-section.is-collapsed > h4,
.collapse-section.is-collapsed > h5,
.collapse-section.is-collapsed > h6,
.collapse-section.is-collapsed > header {
  margin-bottom: 0 !important;
}

.collapse-section-toggle {
  position: absolute;
  inset-inline-start: 12px;
  top: 10px;
  width: 28px;
  height: 28px;
  border: 0;
  background: transparent;
  color: #667eea;
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  z-index: 3;
}

.collapse-section-toggle:hover {
  opacity: 0.85;
}

.collapse-section-toggle:focus-visible {
  outline: 2px solid rgba(102, 126, 234, 0.35);
  outline-offset: 2px;
  border-radius: 6px;
}

.collapse-section-hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .collapse-section-toggle {
    inset-inline-start: 10px;
    top: 8px;
  }
}