/**
 * Section rail — icon stack + hover labels (English only)
 */

.side-rail {
  z-index: 45;
}

.side-rail-link {
  position: relative;
  display: flex;
  align-items: center;
  width: 3rem;
}

/* Labels hidden unless hovered */
.side-nav-tooltip {
  position: absolute !important;
  top: 50%;
  left: calc(100% + 0.75rem);
  right: auto;
  display: none !important;
  opacity: 1;
  visibility: visible;
  pointer-events: none;
  transform: translateY(-50%);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  color: #0f172a;
  background: rgba(255, 255, 255, 0.95);
  padding: 0.25rem 0.75rem;
  border-radius: 0.375rem;
  border: 1px solid rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  transition: transform 0.25s ease;
}

.side-rail-link:hover .side-nav-tooltip,
.side-rail-link:focus-visible .side-nav-tooltip {
  display: block !important;
}

/* Arabic / RTL — hide side rail (top nav covers section links) */
html[dir="rtl"] .side-rail,
html[data-lang="ar"] .side-rail {
  display: none !important;
}