/* Sidebar "button" nav items
   Usage in mkdocs.yml nav labels:
     - "<span class='sidebar-button'>📜 Main Info</span>": index.md
*/
.md-nav__link .sidebar-button {
  display: block;
  width: 100%;
  padding: 8px 12px;
  margin: 6px 0;
  border-radius: 10px;
  text-align: center;
  font-weight: 800;
  letter-spacing: .2px;
  color: #ffffff !important;
  text-decoration: none;
  background: linear-gradient(180deg, #ff9f3a, #ff6a00);
  box-shadow: 0 8px 18px rgba(0,0,0,.35), 0 0 18px rgba(255,140,0,.18);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
/* Hover / focus */
.md-nav__item:hover .sidebar-button,
.md-nav__link:focus .sidebar-button {
  transform: translateY(-1px);
  background: linear-gradient(180deg, #ffb45e, #ff7a1d);
  box-shadow: 0 10px 22px rgba(0,0,0,.45), 0 0 26px rgba(255,140,0,.22);
}
/* Active page highlight */
.md-nav__item--active > .md-nav__link .sidebar-button {
  background: linear-gradient(180deg, #ffd18f, #ff8f2e);
  color: #2b1a00 !important;
  box-shadow: 0 0 0 1px rgba(255,255,255,.10), 0 0 32px rgba(255,160,60,.28);
}
/* Optional small icon nudge */
.md-nav__link .sidebar-button .icon {
  margin-right: .35rem;
}

/* Compact on very small screens */
@media (max-width: 860px) {
  .md-nav__link .sidebar-button {
    padding: 8px 10px;
    font-size: .95rem;
  }
}