/* Platform-wide UX polish: accessibility, focus, motion preferences */

.dm-skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.dm-skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 1090;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0.65rem 1.15rem;
  clip: auto;
  overflow: visible;
  white-space: normal;
  border-radius: 0.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  color: #fff;
  background: var(--dm-blue-700, #2446d4);
  box-shadow: 0 8px 28px rgba(25, 35, 53, 0.35);
}

#main-content:focus {
  outline: none;
}

.btn:focus-visible,
.nav-link:focus-visible,
.dm-navbar .dropdown-toggle:focus-visible,
.dm-stu-menu a:focus-visible,
.dm-stu-tabbar__item:focus-visible {
  outline: 3px solid rgba(47, 87, 239, 0.45);
  outline-offset: 2px;
}

.form-control:focus-visible,
.form-select:focus-visible {
  outline: 3px solid rgba(47, 87, 239, 0.35);
  outline-offset: 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .dm-reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}