/* Mejora selectiva: sólo navegación. No cambia tarjetas, formularios ni impresión. */
@media screen {
  #sidebar { padding: 20px 12px 14px; box-shadow: none; }
  #sidebar .sidebar-top { margin-bottom: 18px; }
  #sidebar .brand { gap: 12px; padding: 2px 4px; }
  #sidebar .sidebar-logo { width: 52px; height: 52px; flex: 0 0 52px; object-fit: contain; }
  #sidebar .brand strong { font-size: 24px; letter-spacing: .035em; font-weight: 750; }
  #sidebar .brand small { margin-top: 4px; font-size: 10px; letter-spacing: .055em; font-weight: 500; }
  #sidebar .sidebar-primary { margin: 0 0 12px; padding: 10px 12px; min-height: 44px; justify-content: flex-start; background: #fff; color: var(--red); border: 1px solid #f0d5dc; box-shadow: none; font-size: 13px; font-weight: 650; }
  #sidebar .sidebar-primary .nav-icon { color: var(--red); }
  #sidebar .sidebar-primary:hover { background: #fff3f6; transform: none; }
  #nav { padding-right: 2px; gap: 4px; overscroll-behavior: contain; scrollbar-width: thin; }
  #sidebar .sidebar-section-label { padding: 12px 12px 8px; margin: 0; color: #748196; font-size: 10px; font-weight: 650; letter-spacing: .11em; text-transform: uppercase; }
  #nav .nav-group { margin: 0; }
  #nav .nav-parent-btn { min-height: 46px; padding: 11px 12px; border-radius: 8px; gap: 12px; color: #273449; font-size: 14px; line-height: 1.5; font-weight: 550; transition: background-color .15s ease, color .15s ease; }
  #nav .nav-icon, #sidebar .settings-link .nav-icon { width: 19px; height: 19px; color: #7c8aa1; }
  #nav .nav-parent-btn:hover { background: #f5f6f9; }
  #nav .nav-parent-btn[aria-current="page"], #nav .nav-group:has(.nav-sub-item.active) > .nav-parent-btn { background: #fff0f4; color: var(--red); box-shadow: none; font-weight: 650; }
  #nav .nav-group:has(.nav-sub-item.active) > .nav-parent-btn .nav-icon, #nav .nav-parent-btn[aria-current="page"] .nav-icon { color: var(--red); }
  #nav .nav-sub-items { margin-left: 26px; padding-left: 10px; border-left: 1px solid #e8ecf2; gap: 2px; transition: none; }
  #nav .nav-group.open .nav-sub-items { max-height: none; margin-block: 4px 8px; border-color: #e8ecf2; }
  #nav .nav-sub-item { min-height: 44px; padding: 9px 8px; border-radius: 6px; font-size: 12px; line-height: 1.5; font-weight: 500; color: #68788e; }
  #nav .nav-sub-item:hover { transform: none; background: #f5f6f9; }
  #nav .nav-sub-item.active { background: #f5f6fa; color: #243249; font-weight: 650; box-shadow: none; }
  #nav .sub-bullet { width: 4px; height: 4px; background: transparent; }
  #nav .nav-sub-item.active .sub-bullet { background: var(--red); transform: none; }
  #sidebar .sidebar-bottom { padding: 12px 0 0; gap: 8px; border-top: 1px solid #edf0f5; }
  #sidebar .help-card { background: #f8f9fb; color: #526077; padding: 10px; border: 1px solid #edf0f5; gap: 8px; }
  #sidebar .help-card span { color: #7c8aa1; }
  #sidebar .help-card strong { font-size: 11px; font-weight: 600; }
  #sidebar .help-card small { font-size: 10px; opacity: 1; }
  #sidebar .settings-link { min-height: 44px; padding: 10px 12px; font-size: 14px; font-weight: 550; color: #273449; }
  #sidebar .settings-link:hover, #sidebar .settings-link[aria-current="page"] { background: #fff0f4; color: var(--red); }
  #sidebar .prototype-label { font-size: 9px; padding: 4px 12px; }
  #sidebar button:focus-visible { outline: 2px solid #c8102e; outline-offset: -2px; }
}
@media screen and (max-height: 720px) {
  #sidebar { padding-top: 12px; }
  #sidebar .sidebar-top { margin-bottom: 10px; }
  #sidebar .help-card { display: none; }
}
@media screen and (prefers-reduced-motion: reduce) {
  #sidebar, #sidebar button, #sidebar .nav-chevron { transition: none !important; }
}