/* ============================================================
   Webform Card + Buttons
   ============================================================ */

.biosimdb-form-card {
  overflow: hidden;
  border: 0;
  border-radius: 12px;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.biosimdb-btn {
  border-radius: 5px;
  font-weight: 600;
}

.biosimdb-btn-primary {
  background-color: var(--color-brand);
  border-color: var(--color-brand);
}

.biosimdb-btn-primary:hover {
  background-color: var(--color-brand-hover);
  border-color: var(--color-brand-hover);
}

/* match thickness of header in home.html */
.biosimdb-form-card > .biosimdb-header {
  padding: 17px 35px;
}

/* ============================================================
   Stage Sections
   ============================================================ */

.biosimdb-stage {
  margin-bottom: 28px;
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
  border-radius: 9px;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.biosimdb-stage-header {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 18px 25px;
  background-color: var(--color-brand-dark);
  color: var(--color-text-on-dark);
}

.biosimdb-stage-number {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-brand-soft);
  color: var(--color-text-on-dark);
  font-size: 0.9rem;
  font-weight: 700;
}

.biosimdb-stage-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.biosimdb-stage-hint {
  margin: 3px 0 0;
  color: var(--color-text-on-dark-muted);
  font-size: 0.85rem;
}

.biosimdb-stage-body {
  padding: 28px;
}

/* ============================================================
   Metadata Accordion Sections
   ============================================================ */

.biosimdb-metadata-header .accordion-button {
  background: transparent;
  color: var(--color-text-on-dark);
  box-shadow: none;
}

.biosimdb-metadata-header .accordion-button::after {
  filter: brightness(0) invert(1);
}

.biosimdb-metadata-header .accordion-button:not(.collapsed) {
  box-shadow: none;
}

.biosimdb-section {
  margin-bottom: 28px;
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
  border-radius: 9px;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.biosimdb-section-header {
  padding: 18px 25px;
  background-color: var(--color-brand);
  color: var(--color-text-on-dark);
}

.biosimdb-section-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  text-align: left;
  color: var(--color-text-on-dark) !important;
}

.biosimdb-section-hint {
  margin: 4px 0 0;
  color: var(--color-text-on-dark-muted);
  font-size: 0.85rem;
}

.biosimdb-section-body {
  padding: 28px;
}

.biosimdb-guidance {
  margin-bottom: 25px;
  padding: 18px 20px;
  background-color: var(--color-info-bg);
  border-left: 4px solid var(--color-brand);
  border-radius: 2px;
  color: var(--color-text-muted);
}

/* ============================================================
   Form Controls
   ============================================================ */

.biosimdb-form-card .form-label {
  color: var(--color-text-main);
  font-weight: 600;
}

.biosimdb-form-card .form-control,
.biosimdb-form-card .form-select {
  border-color: var(--color-border-field);
  border-radius: 5px;
}

.biosimdb-form-card .form-control:focus,
.biosimdb-form-card .form-select:focus {
  border-color: var(--color-brand);
  box-shadow: var(--focus-ring);
}

.biosimdb-form-card .form-text {
  color: var(--color-text-soft);
}

/* ============================================================
   Responsive Overrides
   ============================================================ */

@media (max-width: 767px) {
  .biosimdb-stage-body,
  .biosimdb-section-body {
    padding: 22px;
  }

  .biosimdb-stage-header,
  .biosimdb-section-header {
    padding: 17px 20px;
  }
}