.sidebar-desktop {
  width: var(--sidebar);
  flex-shrink: 0;
  position: sticky;
  top: var(--hh);
  height: calc(100vh - var(--hh));
  overflow-y: auto;
  padding-right: 28px;
  padding-bottom: 40px;
}

.sidebar-desktop::-webkit-scrollbar {
  width: 3px;
}

@media (max-width: 900px) {
  .sidebar-desktop {
    display: none;
  }
}

.drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  z-index: 30;
  backdrop-filter: blur(4px);
}

.drawer-backdrop.is-open {
  display: block;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 88vw);
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 31;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.drawer.is-open {
  transform: translateX(0);
}

.sidebar-mobile-inner {
  padding: 24px 20px 40px;
}