/* ============ MEGA MENU ============ */
#mega-menu {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 49;
  pointer-events: none;
  padding-top: 0;
  visibility: hidden;
  transition: visibility 0s 0.28s;
}
#mega-menu.open {
  pointer-events: auto;
  visibility: visible;
  transition: visibility 0s 0s;
}
.mega-inner {
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  border-top: none;
  box-shadow: 0 24px 60px rgba(0,0,0,0.55), 0 4px 18px rgba(230,0,0,0.08);
  transform: translateY(-8px);
  opacity: 0;
  transition: transform 0.28s cubic-bezier(.22,.8,.28,1), opacity 0.24s ease;
  pointer-events: none;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  overflow-x: hidden;
}
html[data-theme="light"] .mega-inner {
  box-shadow: 0 24px 60px rgba(0,0,0,0.14), 0 4px 18px rgba(230,0,0,0.06);
}
#mega-menu.open .mega-inner {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mega-body {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  padding: 28px 20px 20px;
  max-width: 1440px;
  margin: 0 auto;
}
@media(max-width:1024px){ .mega-body { grid-template-columns: repeat(3,1fr); } }
@media(max-width:640px){ .mega-body { grid-template-columns: repeat(2,1fr); } }
.mega-col {
  padding: 0 20px 10px;
  border-right: 1px solid var(--line);
}
.mega-col:last-child { border-right: none; }
.mega-col-title {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 7px;
}
.mega-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 6px;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 13.5px; font-weight: 500;
  transition: all 0.18s;
  cursor: pointer;
  text-decoration: none;
}
.mega-link:hover {
  background: var(--hover-bg);
  color: var(--text);
  padding-left: 12px;
}
.mega-link i {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: var(--accent);
  flex: none;
}
.mega-link:hover i {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.mega-link .badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff; font-size: 9px; font-weight: 700;
  padding: 2px 6px; border-radius: 4px;
}
.mega-brand-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin-top: 4px;
}
.mega-brand-chip {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.18s;
  text-align: center;
  min-height: 38px;
}
.mega-brand-chip:hover {
  border-color: var(--accent);
  background: var(--hover-bg);
  color: var(--text);
}
.mega-footer-bar {
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  padding: 12px 20px;
}
.mega-footer-bar-inner {
  max-width: 1440px; margin: 0 auto;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.mega-promo-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent); color: #fff;
  padding: 6px 14px; border-radius: 999px;
  font-size: 12px; font-weight: 700;
}
.mega-promo-chip-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); color: var(--text-2);
  padding: 6px 14px; border-radius: 999px;
  font-size: 12px; font-weight: 500;
  background: transparent;
  cursor: pointer;
  transition: all .18s;
}
.mega-promo-chip-ghost:hover { border-color: var(--accent); color: var(--accent); }
.mega-overlay {
  position: fixed; inset: 0; z-index: 48;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none;
  visibility: hidden;
  transition: opacity 0.24s ease, visibility 0s 0.24s;
}
.mega-overlay.show {
  opacity: 1; pointer-events: auto;
  visibility: visible;
  transition: opacity 0.24s ease, visibility 0s 0s;
}
/* Trigger button active */
.cat-link.mega-active {
  background: var(--accent) !important;
  color: #fff !important;
}