.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  height: 72px;
  padding: 0 24px;
  border-bottom: 1px solid transparent;
  background: rgba(11, 11, 13, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all 0.4s ease;
}

html.light .nav {
  background: rgba(245, 244, 241, 0.8);
}

.nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(11, 11, 13, 0.92);
}

html.light .nav.scrolled {
  background: rgba(245, 244, 241, 0.97);
}

.nav-inner {
  display: grid;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  align-items: center;
  grid-template-columns: minmax(max-content, 1fr) auto minmax(max-content, 1fr);
  gap: 16px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 2px;
  grid-column: 1;
  justify-self: start;
  flex-shrink: 0;
  color: var(--fg);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
}

.nav-brand .accent {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  grid-column: 2;
  justify-self: center;
  list-style: none;
}

#navRightContainer,
.nav-inner > .nav-actions:last-child {
  grid-column: 3;
  justify-self: end;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--fg-muted);
  padding: 8px 14px;
  font-size: 14px;
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.04);
}

html.light .nav-link:hover,
html.light .nav-link.active {
  background: rgba(0, 0, 0, 0.05);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-btn {
  cursor: pointer;
}

.nav-dropdown-btn i.chevron {
  font-size: 10px;
  transition: transform var(--transition);
}

.nav-dropdown:hover .nav-dropdown-btn i.chevron,
.nav-dropdown.open .nav-dropdown-btn i.chevron {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 200;
  min-width: 220px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: all 0.22s ease;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  padding: 10px 12px;
  font-size: 13px;
  transition: all var(--transition);
}

.nav-dropdown-menu a:hover {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.04);
}

.nav-dropdown-menu a i {
  width: 16px;
  color: var(--fg-dim);
  font-size: 12px;
  text-align: center;
}

.nav-actions,
.nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-controls {
  min-width: 0;
}

.nav-mobile-btn,
.theme-toggle-btn,
.nav-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg);
  transition: all var(--transition);
}

html.light .theme-toggle-btn,
html.light .nav-icon-btn {
  background: rgba(0, 0, 0, 0.03);
}

.nav-mobile-btn {
  display: none;
  background: transparent;
}

.theme-toggle-btn:hover,
.nav-icon-btn:hover,
.nav-mobile-btn:hover {
  transform: translateY(-1px);
  border-color: var(--border-active);
  background: var(--accent-soft);
  color: var(--accent);
}

.nav-icon-wrapper,
.user-avatar-wrapper {
  position: relative;
}

.nav-icon {
  font-size: 1rem;
  line-height: 1;
}

.nav-icon-wrapper > .nav-dropdown,
.user-avatar-wrapper > .nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 220;
  width: min(360px, calc(100vw - 32px));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px) scale(0.98);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.nav-icon-wrapper > .nav-dropdown.open,
.nav-icon-wrapper > .nav-dropdown.active,
.user-avatar-wrapper > .nav-dropdown.open,
.user-avatar-wrapper > .nav-dropdown.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.user-avatar-wrapper > .user-dropdown {
  width: min(280px, calc(100vw - 32px));
}

.user-chip {
  display: inline-flex;
  max-width: 240px;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg);
  padding: 6px 12px 6px 6px;
  transition: all var(--transition);
}

html.light .user-chip {
  background: rgba(0, 0, 0, 0.03);
}

.user-chip:hover {
  border-color: var(--border-active);
  background: var(--accent-soft);
}

.user-chip-meta,
.dropdown-user-details,
.mobile-user-summary-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.user-chip-name,
.user-chip-subtitle,
.dropdown-user-name,
.dropdown-user-email,
.mobile-user-summary-name,
.mobile-user-summary-email,
.mobile-user-summary-tier {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-chip-name,
.dropdown-user-name,
.mobile-user-summary-name {
  color: var(--fg);
  font-size: 0.84rem;
  font-weight: 700;
}

.user-chip-subtitle,
.dropdown-user-email,
.mobile-user-summary-email,
.mobile-user-summary-tier {
  color: var(--fg-muted);
  font-size: 0.75rem;
}

.user-avatar,
.dropdown-user-avatar,
.mobile-user-summary-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #f3cf74);
  color: #17120a;
  font-weight: 800;
  flex-shrink: 0;
}

.user-avatar {
  width: 36px;
  height: 36px;
  font-size: 0.9rem;
}

.dropdown-user-avatar,
.mobile-user-summary-avatar {
  width: 44px;
  height: 44px;
  font-size: 1rem;
}

.avatar-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.user-avatar.has-image,
.dropdown-user-avatar.has-image,
.mobile-user-summary-avatar.has-image {
  background: rgba(255, 255, 255, 0.05);
  color: transparent;
  padding: 0;
}

.dropdown-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.mobile-user-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(420px, calc(100% - 40px));
  margin: 0 20px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}

html.light .mobile-user-summary {
  background: rgba(255, 255, 255, 0.88);
}

.mobile-user-summary[hidden] {
  display: none;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(11, 11, 13, 0.97);
  backdrop-filter: blur(20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

html.light .mobile-menu {
  background: rgba(245, 244, 241, 0.97);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-actions {
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.mobile-user-summary:not([hidden]) + .mobile-nav-actions {
  margin-top: 12px;
  padding-top: 0;
  border-top: none;
}

.mobile-nav-actions .btn {
  width: 100%;
  justify-content: center;
}

.top-nav:not(#site-nav) {
  display: none !important;
}

.mobile-menu a {
  padding: 12px 24px;
  color: var(--fg-muted);
  font-size: 20px;
  font-weight: 500;
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--fg);
}

.mobile-theme-toggle {
  display: inline-flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg);
  padding: 12px 14px;
  transition: all var(--transition);
}

html.light .mobile-theme-toggle {
  background: rgba(0, 0, 0, 0.03);
}

.mobile-theme-toggle:hover {
  border-color: var(--border-active);
  background: var(--accent-soft);
  color: var(--accent);
}

.mobile-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--fg-muted);
  font-size: 18px;
  transition: all var(--transition);
}

.mobile-close-btn:hover {
  color: var(--fg);
}

@media (max-width: 900px) {
  .nav {
    height: 68px;
    padding: 0 16px;
  }

  .nav-links,
  #navRightContainer,
  .nav-controls > .btn,
  .nav-controls > .button {
    display: none;
  }

  .nav-mobile-btn {
    display: inline-flex;
  }

  .mobile-menu {
    display: flex;
    padding: 88px 20px 24px;
    justify-content: flex-start;
  }

  .mobile-nav-actions {
    width: min(420px, 100%);
  }
}