/* ═══════════════════════════
   SIDEBAR (LNB)
═══════════════════════════ */
.lnb {
  display: flex;
  flex-direction: column;

  width: var(--sidebar-w, 290px);
  height: 816px;
  overflow-y: auto;
  scrollbar-width: none;
}
.lnb::-webkit-scrollbar { display: none; }

.logo-wrap {
  display: flex; align-items: center; justify-content: center;
  padding: 0;
}
.logo {
  width: 290px;
  height: 184px;
  position: relative;
  flex-shrink: 0;
}
.logo-svg { width: 100%; height: 100%; }

.lnb-section {
  width: 262px;
  height: 60px;
  display: flex;
  align-items: center;
  margin: 4px 0 2px;
  text-decoration: none;
  cursor: pointer;
  transition: opacity .2s;
}
.lnb-section {
  position: relative;
}
.lnb-section img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: left center;
  transition: opacity 0.2s ease;
}
.lnb-section .img-default { opacity: 1; }
.lnb-section .img-hover   { opacity: 0; }
.lnb-section:hover .img-default { opacity: 0; }
.lnb-section:hover .img-hover   { opacity: 1; }

/* ── Accordion ── */
.lnb-group { display: flex; flex-direction: column; flex-shrink: 0; }
.lnb-section {
  margin-bottom: 20px;
  flex-shrink: 0;
}
.lnb-submenu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}
.lnb-group.open .lnb-submenu {
  max-height: 300px;
}

.lnb-item {
  display: flex; align-items: center;
  padding: 5px 10px;
  color: var(--muted);
  cursor: pointer;
  border-radius: 4px;
  transition: color .2s, background .2s;
  text-decoration: none;
}
.lnb-item:hover {
  color: var(--pink);
  background: rgba(255,45,120,.08);
}
.lnb-item .icon { font-size: 15px; opacity: .7; }
.lnb-item.closed { color: rgba(255,45,120,.5); }
.lnb-item.closed .icon { color: var(--pink); }