/* Back-to-top button: square, navy, red on hover, like the site's buttons. */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 2px solid #19324A;
  border-radius: 0;
  background: #19324A;
  box-shadow: 0 2px 6px rgba(25, 50, 74, 0.3);
  color: #fff;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.scroll-top[hidden] {
  display: none;
}

.scroll-top:hover {
  background: #9f1a05;
  border-color: #9f1a05;
}

.scroll-top:focus-visible {
  outline: 3px solid #19324A;
  outline-offset: 3px;
  box-shadow: 0 0 0 2px #fff inset;
}

.scroll-top__icon {
  display: block;
}

@media (max-width: 767px) {
  .scroll-top {
    right: 16px;
    bottom: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-top {
    transition: none;
  }
}

@media (forced-colors: active) {
  .scroll-top {
    border-color: ButtonText;
    background: ButtonFace;
    color: ButtonText;
  }
  .scroll-top:hover,
  .scroll-top:focus-visible {
    border-color: Highlight;
    color: Highlight;
  }
}

@media print {
  .scroll-top {
    display: none !important;
  }
}