.has-megamenu { position: relative; }

.megamenu-trigger .mm-caret { display: inline-block; vertical-align: -0.12em; margin-left: 0.2rem; }
.megamenu-trigger .mm-caret { font-size: 1rem; transition: transform var(--transition-base); }
.has-megamenu:hover .megamenu-trigger .mm-caret,
.has-megamenu:focus-within .megamenu-trigger .mm-caret { transform: rotate(180deg); }

.megamenu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: min(780px, calc(100vw - 2rem));
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 1040;
}

.megamenu::before {
  content: '';
  position: absolute;
  top: -0.75rem; left: 0; right: 0; height: 0.75rem;
}

.has-megamenu:hover .megamenu,
.has-megamenu:focus-within .megamenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.megamenu a::after { content: none; display: none; }

.megamenu-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.megamenu .mm-col-head {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0 0.5rem 0.75rem;
  margin-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-light);
}
.megamenu .mm-col-icon {
  width: 34px; height: 34px; border-radius: 0.6rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-gradient); color: #fff; font-size: 1.15rem;
}
.megamenu .mm-col-title { display: block; font-weight: 600; font-size: 0.9rem; color: var(--text-primary); line-height: 1.2; }
.megamenu .mm-col-sub { display: block; font-size: 0.72rem; color: var(--text-tertiary); margin-top: 2px; }

.megamenu .mm-item {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.55rem 0.6rem;
  border-radius: var(--radius-lg);
  transition: background var(--transition-base);
}
.megamenu .mm-item:hover { background: var(--bg-secondary); }

.megamenu .mm-item-icon {
  width: 38px; height: 38px; border-radius: 0.65rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--accent-primary);
  background: rgba(59,130,246,0.10);
  border: 1px solid rgba(59,130,246,0.20);
  transition: all var(--transition-base);
}
.megamenu .mm-item:hover .mm-item-icon {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
}

.megamenu .mm-item-body { display: flex; flex-direction: column; min-width: 0; }
.megamenu .mm-item-title { display: flex; align-items: center; font-weight: 600; font-size: 0.82rem; color: var(--text-primary); line-height: 1.25; }
.megamenu .mm-item:hover .mm-item-title { color: var(--accent-primary); }
.megamenu .mm-item-desc { font-size: 0.72rem; color: var(--text-tertiary); margin-top: 2px; }

.megamenu .mm-arrow { margin-left: auto; color: var(--accent-primary); font-size: 1rem; opacity: 0; transform: translateX(-4px); transition: all var(--transition-base); }
.megamenu .mm-item:hover .mm-arrow { opacity: 1; transform: translateX(0); }

.megamenu .mm-item-soon { cursor: default; pointer-events: none; }
.megamenu .mm-item-soon .mm-item-icon { opacity: 0.7; }

.mm-badge {
  display: inline-flex; align-items: center;
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.02em;
  color: #b45309; background: rgba(245,158,11,0.16);
  border: 1px solid rgba(245,158,11,0.32);
  padding: 1px 7px; border-radius: var(--radius-full);
  margin-left: 0.4rem; text-transform: uppercase; white-space: nowrap;
}
[data-theme="dark"] .mm-badge { color: #fbbf24; }

.megamenu-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-top: 1rem; padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}
.megamenu-foot > span { font-size: 0.8rem; color: var(--text-secondary); }
.megamenu-foot a { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.8rem; font-weight: 600; color: var(--accent-primary); white-space: nowrap; }

.navbar-menu-mobile .mm-mobile-trigger {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
  padding: 1rem; font-size: 1.125rem; font-weight: 600; color: var(--text-primary);
  background: transparent; border-radius: var(--radius-lg); text-align: left; cursor: pointer;
  transition: all var(--transition-base);
}
.navbar-menu-mobile .mm-mobile-trigger:hover { background: var(--bg-tertiary); }
.navbar-menu-mobile .mm-mobile-trigger .mm-m-caret { font-size: 1.25rem; color: var(--text-tertiary); transition: transform var(--transition-base); }
.navbar-menu-mobile .mm-mobile.open .mm-mobile-trigger { color: var(--accent-primary); }
.navbar-menu-mobile .mm-mobile.open .mm-mobile-trigger .mm-m-caret { transform: rotate(180deg); color: var(--accent-primary); }

.navbar-menu-mobile .mm-mobile-panel { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.navbar-menu-mobile .mm-mobile.open .mm-mobile-panel { max-height: 1800px; }

.navbar-menu-mobile .mm-mobile-cat {
  border-left: 2px solid var(--border-light);
  margin: 0.25rem 0 0.25rem 0.75rem;
  padding-left: 0.4rem;
}
.navbar-menu-mobile .mm-mobile-cat-trigger {
  display: flex; align-items: center; gap: 0.6rem; width: 100%;
  padding: 0.7rem 0.5rem; font-size: 0.95rem; font-weight: 600; color: var(--text-primary);
  background: transparent; border-radius: var(--radius-lg); text-align: left; cursor: pointer;
  transition: all var(--transition-base);
}
.navbar-menu-mobile .mm-mcat-icon {
  width: 30px; height: 30px; border-radius: 0.5rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.05rem;
  color: var(--accent-primary); background: rgba(59,130,246,0.10); border: 1px solid rgba(59,130,246,0.20);
  transition: all var(--transition-base);
}
.navbar-menu-mobile .mm-mobile-cat.open .mm-mcat-icon { background: var(--accent-gradient); border-color: transparent; color: #fff; }
.navbar-menu-mobile .mm-mcat-label { flex: 1; }
.navbar-menu-mobile .mm-mcat-caret { margin-left: auto; font-size: 1.1rem; color: var(--text-tertiary); transition: transform var(--transition-base); }
.navbar-menu-mobile .mm-mobile-cat.open .mm-mcat-caret { transform: rotate(180deg); color: var(--accent-primary); }

.navbar-menu-mobile .mm-mobile-cat-panel { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.navbar-menu-mobile .mm-mobile-cat.open .mm-mobile-cat-panel { max-height: 900px; }

.navbar-menu-mobile .mm-msub {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.55rem 0.5rem; border-radius: var(--radius-lg);
  transition: background var(--transition-base);
}
.navbar-menu-mobile .mm-msub:hover { background: var(--bg-tertiary); transform: none; color: var(--text-primary); }
.navbar-menu-mobile .mm-msub-icon {
  width: 34px; height: 34px; border-radius: 0.55rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
  color: var(--accent-primary); background: rgba(59,130,246,0.10); border: 1px solid rgba(59,130,246,0.20);
  transition: all var(--transition-base);
}
.navbar-menu-mobile .mm-msub:hover .mm-msub-icon { background: var(--accent-gradient); border-color: transparent; color: #fff; }
.navbar-menu-mobile .mm-msub-body { display: flex; flex-direction: column; min-width: 0; }
.navbar-menu-mobile .mm-msub-title { display: flex; align-items: center; font-weight: 600; font-size: 0.85rem; color: var(--text-primary); line-height: 1.25; }
.navbar-menu-mobile .mm-msub-desc { font-size: 0.72rem; color: var(--text-tertiary); margin-top: 1px; font-weight: 400; }
.navbar-menu-mobile .mm-msub-soon { pointer-events: none; opacity: 0.85; }
.navbar-menu-mobile .mm-msub-soon .mm-msub-icon { opacity: 0.7; }

.navbar-menu-mobile .mm-mobile-foot { padding: 0.75rem 0.5rem 0.25rem; }
.navbar-menu-mobile .mm-mobile-foot a { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.9rem; font-weight: 600; color: var(--accent-primary); padding: 0; }
.navbar-menu-mobile .mm-mobile-foot a:hover { background: transparent; transform: none; }

@media (max-width: 820px) {
  .megamenu { padding: 1.15rem; }
  .megamenu-inner { gap: 0.4rem; }
}