.sp-admin-body { overflow: auto; height: auto; min-height: 100vh; }
.sp-admin-main { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 52px); }
.sp-admin-nav { display: flex; gap: 8px; margin-left: auto; }
.sp-admin-sidebar {
  background: var(--sp-surface);
  border-right: 1px solid var(--sp-border);
  padding: 16px 0;
  display: flex;
  flex-direction: column;
}
.sp-admin-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 20px;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  color: var(--sp-text-2);
}
.sp-admin-menu-item:hover { background: var(--sp-surface-2); color: var(--sp-text); }
.sp-admin-menu-item.is-actief {
  background: var(--sp-accent-soft);
  color: var(--sp-accent);
  font-weight: 600;
  border-right: 2px solid var(--sp-accent);
}
.sp-admin-sidebar-foot { margin-top: auto; padding: 16px; }
.sp-admin-content { padding: 24px 28px 48px; overflow-y: auto; }
.sp-admin-content h2 { margin: 0 0 16px; font-size: 20px; }
.sp-admin-toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.sp-admin-form {
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius);
  padding: 20px;
  margin-bottom: 20px;
  max-width: 520px;
}
.sp-admin-form h3 { margin: 0 0 14px; font-size: 15px; }
.sp-admin-form .sp-veld { max-width: none; }
.sp-admin-form-actions { display: flex; gap: 8px; margin-top: 12px; }
.sp-voorkeur-grid { display: grid; gap: 14px; max-width: 480px; }
@media (max-width: 768px) {
  .sp-admin-main { grid-template-columns: 1fr; }
  .sp-admin-sidebar { border-right: none; border-bottom: 1px solid var(--sp-border); }
}