/* Mobile navigation: shared styles */
.mobile-menu-toggle {
  background: transparent;
  border: 0;
  padding: 8px;
  line-height: 1;
}
.mobile-menu-toggle svg {
  display: block;
  color: var(--primary-color);
}
.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
  z-index: 9990;
}
.mobile-backdrop.open {
  opacity: 1;
  visibility: visible;
}
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 80vw;
  max-width: 340px;
  height: 100vh;
  background: #fff;
  box-shadow: -2px 0 12px rgba(0, 0, 0, 0.15);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 10000;
  display: flex;
  flex-direction: column;
}
.mobile-nav.open {
  transform: translateX(0);
}
.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid #eee;
}
.mobile-nav-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0;
}
.mobile-nav-close {
  background: transparent;
  border: 0;
  padding: 8px;
}
.mobile-nav-list {
  list-style: none;
  padding: 12px 0;
  margin: 0;
}
.mobile-nav-list li {
  border-bottom: 1px solid #f1f1f1;
}
.mobile-nav-list a {
  display: block;
  padding: 12px 16px;
  color: #000;
  text-decoration: none;
}
.mobile-nav-list a:hover {
  background: #f7f7f7;
}
.mobile-nav details {
  border-bottom: 1px solid #f1f1f1;
}
.mobile-nav summary {
  padding: 12px 16px;
  list-style: none;
  cursor: pointer;
}
.mobile-nav summary::-webkit-details-marker {
  display: none;
}
.mobile-nav details[open] summary {
  background: #f9f9f9;
}
.mobile-nav .submenu {
  padding-left: 0;
}
.mobile-nav .submenu a {
  padding-left: 28px;
}