/* Premium nav disclosure — collapsed by default, expands on demand */

.cn-premium-nav {
  position: relative;
}

.cn-premium-toggle {
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.cn-premium-nav.is-open .cn-premium-toggle,
.cn-premium-nav.is-active .cn-premium-toggle {
  font-weight: 600;
}

.cn-premium-chevron {
  transition: transform 0.18s ease;
  font-size: 0.62rem;
  line-height: 1;
  opacity: 0.7;
}

.cn-premium-nav.is-open .cn-premium-chevron,
.cn-premium-nav-mobile.is-open .cn-premium-chevron {
  transform: rotate(180deg);
}

.cn-premium-panel {
  position: absolute;
  top: calc(100% + 0.7rem);
  left: 50%;
  transform: translateX(-50%);
  min-width: 11.5rem;
  padding: 0.35rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  box-shadow: 0 12px 28px -14px rgba(0, 0, 0, 0.22), 0 0 0 1px rgba(0, 0, 0, 0.06);
  z-index: 60;
}

.cn-premium-panel[hidden],
.cn-premium-panel.hidden {
  display: none;
}

.cn-premium-item {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  color: rgba(26, 26, 26, 0.72);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}

.cn-premium-item:hover {
  background: rgba(0, 0, 0, 0.05);
  color: #1a1a1a;
}

.cn-premium-item.is-active {
  color: #1a1a1a;
  font-weight: 600;
  box-shadow: inset 2px 0 0 #2563eb;
}

.cn-premium-toggle:focus-visible,
.cn-premium-toggle-mobile:focus-visible,
.cn-premium-item:focus-visible,
.cn-premium-item-mobile:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

/* Mobile accordion inside the existing sheet */
.cn-premium-nav-mobile {
  display: flex;
  flex-direction: column;
}

.cn-premium-toggle-mobile {
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
}

.cn-premium-panel-mobile {
  display: flex;
  flex-direction: column;
  padding-left: 0.75rem;
}

.cn-premium-panel-mobile[hidden],
.cn-premium-panel-mobile.hidden {
  display: none;
}

.cn-premium-item-mobile.is-active {
  color: #1a1a1a;
  font-weight: 600;
  box-shadow: inset 2px 0 0 #2563eb;
}

.cn-premium-nav-mobile.is-active .cn-premium-toggle-mobile {
  color: #1a1a1a;
}

@media (prefers-reduced-motion: reduce) {
  .cn-premium-chevron {
    transition: none;
  }
}