/* Build 9.2.3: eine einzige, feste Hauptnavigation mit fünf stabilen Touch-Zielen. */
.bottom-nav {
  grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
  z-index: 65 !important;
  pointer-events: auto !important;
  isolation: isolate;
}

.bottom-nav > button {
  min-width: 0;
  min-height: 56px;
  position: relative;
  z-index: 1;
  pointer-events: auto !important;
  touch-action: manipulation !important;
  -webkit-user-select: none;
  user-select: none;
  transform: none !important;
  animation: none !important;
}

.bottom-nav > [data-fn-school-bottom] {
  z-index: 3 !important;
  pointer-events: auto !important;
  touch-action: manipulation !important;
}

.bottom-nav .nav-icon-wrap,
.bottom-nav .nav-icon,
.bottom-nav .fn-ui-icon,
.bottom-nav > button > span {
  transform: none !important;
  animation: none !important;
  will-change: auto !important;
}

.bottom-nav > button:active,
.bottom-nav > button.active,
.bottom-nav > button:focus,
.bottom-nav > button:focus-visible {
  transform: none !important;
}

.bottom-nav::before,
.bottom-nav::after,
.bottom-nav > button::before,
.bottom-nav > button::after {
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .bottom-nav > button,
  .bottom-nav .nav-icon-wrap,
  .bottom-nav .nav-icon {
    transition-property: color, background-color, opacity, box-shadow, border-color !important;
  }
}