:root {
  --nav-bg: rgba(255, 255, 255, 0.97);
  --nav-border: #dbe8ec;
  --nav-ink: #102536;
  --nav-muted: #526c7d;
  --nav-accent: #0ea77c;
  --nav-accent-dark: #0b8c67;
  --nav-line: #e2e8f0;
  --nav-shadow: 0 8px 28px rgba(16, 37, 54, 0.08);
  --nav-radius: 12px;
}

/* =========================================================
   Unified top navigation bar - overrides all pages
   ========================================================= */
.topbar,
.portal-topbar,
.presale-topbar,
.academy-topbar,
.swap-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 24px);
  min-height: 72px;
  padding: 12px clamp(16px, 3vw, 32px);
  border-bottom: 1px solid var(--nav-border);
  background: var(--nav-bg);
  box-shadow: var(--nav-shadow);
  backdrop-filter: blur(18px);
}

.topbar .brand,
.portal-topbar .brand,
.presale-topbar .brand,
.academy-topbar .brand,
.swap-topbar .brand,
.topbar .presale-brand,
.portal-topbar .presale-brand,
.presale-topbar .presale-brand,
.academy-topbar .presale-brand,
.swap-topbar .presale-brand,
.topbar .swap-brand,
.portal-topbar .swap-brand,
.presale-topbar .swap-brand,
.academy-topbar .swap-brand,
.swap-topbar .swap-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  text-decoration: none;
}

.topbar .brand-copy strong,
.portal-topbar .brand-copy strong,
.presale-topbar .brand-copy strong,
.academy-topbar .brand-copy strong,
.swap-topbar .brand-copy strong {
  color: var(--nav-ink);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-shadow: none;
}

.topbar .brand-copy small,
.portal-topbar .brand-copy small,
.presale-topbar .brand-copy small,
.academy-topbar .brand-copy small,
.swap-topbar .brand-copy small {
  color: var(--nav-muted);
  font-size: 11px;
  font-weight: 700;
}

/* Main navigation */
.topbar .nav-links,
.portal-topbar .nav-links,
.presale-topbar .nav-links,
.academy-topbar .nav-links,
.swap-topbar .nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(4px, 0.8vw, 10px);
  flex: 1;
  min-width: 0;
  overflow: visible;
}

.topbar .nav-links a,
.portal-topbar .nav-links a,
.presale-topbar .nav-links a,
.academy-topbar .nav-links a,
.swap-topbar .nav-links a,
.topbar .nav-links button,
.portal-topbar .nav-links button,
.presale-topbar .nav-links button,
.academy-topbar .nav-links button,
.swap-topbar .nav-links button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
  min-width: max-content;
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--nav-muted);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
  text-decoration: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease;
}

.topbar .nav-links a:hover,
.portal-topbar .nav-links a:hover,
.presale-topbar .nav-links a:hover,
.academy-topbar .nav-links a:hover,
.swap-topbar .nav-links a:hover,
.topbar .nav-links a.active,
.portal-topbar .nav-links a.active,
.presale-topbar .nav-links a.active,
.academy-topbar .nav-links a.active,
.swap-topbar .nav-links a.active,
.topbar .nav-links button:hover,
.portal-topbar .nav-links button:hover,
.presale-topbar .nav-links button:hover,
.academy-topbar .nav-links button:hover,
.swap-topbar .nav-links button:hover {
  color: var(--nav-accent-dark);
  background: rgba(14, 167, 124, 0.08);
}

.topbar .nav-links a.active::after,
.portal-topbar .nav-links a.active::after,
.presale-topbar .nav-links a.active::after,
.academy-topbar .nav-links a.active::after,
.swap-topbar .nav-links a.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 3px;
  border-radius: 999px;
  background: var(--nav-accent);
}

/* More dropdown */
.topbar .nav-more-wrap,
.portal-topbar .nav-more-wrap,
.presale-topbar .nav-more-wrap,
.academy-topbar .nav-more-wrap,
.swap-topbar .nav-more-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.topbar .nav-more-btn,
.portal-topbar .nav-more-btn,
.presale-topbar .nav-more-btn,
.academy-topbar .nav-more-btn,
.swap-topbar .nav-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border: 1px solid var(--nav-line);
  border-radius: 10px;
  color: var(--nav-muted);
  background: #f8fafc;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.topbar .nav-more-btn:hover,
.portal-topbar .nav-more-btn:hover,
.presale-topbar .nav-more-btn:hover,
.academy-topbar .nav-more-btn:hover,
.swap-topbar .nav-more-btn:hover,
.topbar .nav-more-btn[aria-expanded="true"],
.portal-topbar .nav-more-btn[aria-expanded="true"],
.presale-topbar .nav-more-btn[aria-expanded="true"],
.academy-topbar .nav-more-btn[aria-expanded="true"],
.swap-topbar .nav-more-btn[aria-expanded="true"] {
  color: #fff;
  background: var(--nav-accent);
  border-color: var(--nav-accent);
}

.topbar .nav-more-btn svg,
.portal-topbar .nav-more-btn svg,
.presale-topbar .nav-more-btn svg,
.academy-topbar .nav-more-btn svg,
.swap-topbar .nav-more-btn svg {
  width: 12px;
  height: 12px;
  transition: transform 180ms ease;
}

.topbar .nav-more-btn[aria-expanded="true"] svg,
.portal-topbar .nav-more-btn[aria-expanded="true"] svg,
.presale-topbar .nav-more-btn[aria-expanded="true"] svg,
.academy-topbar .nav-more-btn[aria-expanded="true"] svg,
.swap-topbar .nav-more-btn[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.topbar .nav-more-menu,
.portal-topbar .nav-more-menu,
.presale-topbar .nav-more-menu,
.academy-topbar .nav-more-menu,
.swap-topbar .nav-more-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 120;
  display: grid;
  gap: 2px;
  min-width: 160px;
  padding: 8px;
  border: 1px solid var(--nav-line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(16, 37, 54, 0.14);
  backdrop-filter: blur(18px);
}

.topbar .nav-more-menu a,
.portal-topbar .nav-more-menu a,
.presale-topbar .nav-more-menu a,
.academy-topbar .nav-more-menu a,
.swap-topbar .nav-more-menu a {
  display: flex;
  padding: 9px 12px;
  border-radius: 10px;
  color: var(--nav-ink);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease;
}

.topbar .nav-more-menu a:hover,
.portal-topbar .nav-more-menu a:hover,
.presale-topbar .nav-more-menu a:hover,
.academy-topbar .nav-more-menu a:hover,
.swap-topbar .nav-more-menu a:hover,
.topbar .nav-more-menu a.active,
.portal-topbar .nav-more-menu a.active,
.presale-topbar .nav-more-menu a.active,
.academy-topbar .nav-more-menu a.active,
.swap-topbar .nav-more-menu a.active {
  color: var(--nav-accent-dark);
  background: #e6f7f2;
}

/* Header actions */
.topbar .header-actions,
.portal-topbar .header-actions,
.presale-topbar .header-actions,
.academy-topbar .header-actions,
.swap-topbar .header-actions,
.topbar .presale-header-actions,
.portal-topbar .presale-header-actions,
.presale-topbar .presale-header-actions,
.academy-topbar .presale-header-actions,
.swap-topbar .presale-header-actions {
  display: inline-flex !important;
  align-items: center !important;
  gap: 10px !important;
  min-width: max-content;
}

.topbar .header-actions > button,
.portal-topbar .header-actions > button,
.presale-topbar .header-actions > button,
.academy-topbar .header-actions > button,
.swap-topbar .header-actions > button,
.topbar .header-actions > a,
.portal-topbar .header-actions > a,
.presale-topbar .header-actions > a,
.academy-topbar .header-actions > a,
.swap-topbar .header-actions > a,
.topbar .presale-header-actions > button,
.portal-topbar .presale-header-actions > button,
.presale-topbar .presale-header-actions > button,
.academy-topbar .presale-header-actions > button,
.swap-topbar .presale-header-actions > button,
.topbar .presale-header-actions > a,
.portal-topbar .presale-header-actions > a,
.presale-topbar .presale-header-actions > a,
.academy-topbar .presale-header-actions > a,
.swap-topbar .presale-header-actions > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.topbar .notification-button,
.portal-topbar .notification-button,
.presale-topbar .notification-button,
.academy-topbar .notification-button,
.swap-topbar .notification-button {
  position: relative;
  width: 36px !important;
  min-width: 36px !important;
  height: 36px !important;
  min-height: 36px !important;
  padding: 0 !important;
  border: 1px solid var(--nav-line) !important;
  color: var(--nav-ink) !important;
  background: #fff !important;
}

.topbar .notification-button:hover,
.portal-topbar .notification-button:hover,
.presale-topbar .notification-button:hover,
.academy-topbar .notification-button:hover,
.swap-topbar .notification-button:hover {
  border-color: var(--nav-accent) !important;
  color: var(--nav-accent-dark) !important;
}

.topbar .notification-dot,
.portal-topbar .notification-dot,
.presale-topbar .notification-dot,
.academy-topbar .notification-dot,
.swap-topbar .notification-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
}

.topbar .portal-wallet-button,
.portal-topbar .portal-wallet-button,
.presale-topbar .portal-wallet-button,
.academy-topbar .portal-wallet-button,
.swap-topbar .portal-wallet-button,
.topbar .wallet-btn,
.portal-topbar .wallet-btn,
.presale-topbar .wallet-btn,
.academy-topbar .wallet-btn,
.swap-topbar .wallet-btn {
  width: 36px !important;
  min-width: 36px !important;
  height: 36px !important;
  min-height: 36px !important;
  padding: 0 !important;
  border: 1px solid var(--nav-line) !important;
  color: var(--nav-ink) !important;
  background: #fff !important;
}

.topbar .portal-wallet-button:hover,
.portal-topbar .portal-wallet-button:hover,
.presale-topbar .portal-wallet-button:hover,
.academy-topbar .portal-wallet-button:hover,
.swap-topbar .portal-wallet-button:hover,
.topbar .wallet-btn:hover,
.portal-topbar .wallet-btn:hover,
.presale-topbar .wallet-btn:hover,
.academy-topbar .wallet-btn:hover,
.swap-topbar .wallet-btn:hover {
  border-color: var(--nav-accent) !important;
  color: var(--nav-accent-dark) !important;
  background: #e6f7f2 !important;
}

.topbar .portal-wallet-button.is-connected,
.portal-topbar .portal-wallet-button.is-connected,
.presale-topbar .portal-wallet-button.is-connected,
.academy-topbar .portal-wallet-button.is-connected,
.swap-topbar .portal-wallet-button.is-connected,
.topbar .wallet-btn.is-connected,
.portal-topbar .wallet-btn.is-connected,
.presale-topbar .wallet-btn.is-connected,
.academy-topbar .wallet-btn.is-connected,
.swap-topbar .wallet-btn.is-connected {
  border-color: var(--nav-accent) !important;
  color: #fff !important;
  background: var(--nav-accent) !important;
}

.topbar .menu-toggle,
.portal-topbar .menu-toggle,
.presale-topbar .menu-toggle,
.academy-topbar .menu-toggle,
.swap-topbar .menu-toggle {
  display: none;
  flex-direction: column !important;
  width: 36px;
  min-width: 36px !important;
  height: 36px !important;
  min-height: 36px !important;
  padding: 0 !important;
  border: 1px solid var(--nav-line) !important;
  color: var(--nav-ink) !important;
  background: #fff !important;
}

.topbar .menu-toggle span,
.portal-topbar .menu-toggle span,
.presale-topbar .menu-toggle span,
.academy-topbar .menu-toggle span,
.swap-topbar .menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.topbar .menu-toggle span + span,
.portal-topbar .menu-toggle span + span,
.presale-topbar .menu-toggle span + span,
.academy-topbar .menu-toggle span + span,
.swap-topbar .menu-toggle span + span {
  margin-top: 4px;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1120px) and (min-width: 721px) {
  .topbar,
  .portal-topbar,
  .presale-topbar,
  .academy-topbar,
  .swap-topbar {
    flex-wrap: wrap;
    gap: 10px;
  }
  .topbar .nav-links,
  .portal-topbar .nav-links,
  .presale-topbar .nav-links,
  .academy-topbar .nav-links,
  .swap-topbar .nav-links {
    order: 3;
    flex: 0 0 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .topbar .nav-links::-webkit-scrollbar,
  .portal-topbar .nav-links::-webkit-scrollbar,
  .presale-topbar .nav-links::-webkit-scrollbar,
  .academy-topbar .nav-links::-webkit-scrollbar,
  .swap-topbar .nav-links::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 720px) {
  .topbar,
  .portal-topbar,
  .presale-topbar,
  .academy-topbar,
  .swap-topbar {
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 64px;
    padding: 10px 14px;
  }

  .topbar .brand,
  .portal-topbar .brand,
  .presale-topbar .brand,
  .academy-topbar .brand,
  .swap-topbar .brand,
  .topbar .presale-brand,
  .portal-topbar .presale-brand,
  .presale-topbar .presale-brand,
  .academy-topbar .presale-brand,
  .swap-topbar .presale-brand,
  .topbar .swap-brand,
  .portal-topbar .swap-brand,
  .presale-topbar .swap-brand,
  .academy-topbar .swap-brand,
  .swap-topbar .swap-brand {
    grid-column: 1;
    grid-row: 1;
    min-width: max-content;
  }

  .topbar .brand-mark,
  .portal-topbar .brand-mark,
  .presale-topbar .brand-mark,
  .academy-topbar .brand-mark,
  .swap-topbar .brand-mark {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
  }

  .topbar .brand-copy small,
  .portal-topbar .brand-copy small,
  .presale-topbar .brand-copy small,
  .academy-topbar .brand-copy small,
  .swap-topbar .brand-copy small {
    display: none;
  }

  .topbar .header-actions,
  .portal-topbar .header-actions,
  .presale-topbar .header-actions,
  .academy-topbar .header-actions,
  .swap-topbar .header-actions,
  .topbar .presale-header-actions,
  .portal-topbar .presale-header-actions,
  .presale-topbar .presale-header-actions,
  .academy-topbar .presale-header-actions,
  .swap-topbar .presale-header-actions {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    gap: 8px;
  }

  .topbar .header-actions .language-picker,
  .portal-topbar .header-actions .language-picker,
  .presale-topbar .header-actions .language-picker,
  .academy-topbar .header-actions .language-picker,
  .swap-topbar .header-actions .language-picker {
    display: block;
  }

  .topbar .header-actions .language-picker > .language,
  .portal-topbar .header-actions .language-picker > .language,
  .presale-topbar .header-actions .language-picker > .language,
  .academy-topbar .header-actions .language-picker > .language,
  .swap-topbar .header-actions .language-picker > .language {
    min-width: auto;
    gap: 0;
    padding: 8px;
    border-radius: 50%;
  }

  .topbar .header-actions .language-picker [data-language-current-code],
  .portal-topbar .header-actions .language-picker [data-language-current-code],
  .presale-topbar .header-actions .language-picker [data-language-current-code],
  .academy-topbar .header-actions .language-picker [data-language-current-code],
  .swap-topbar .header-actions .language-picker [data-language-current-code],
  .topbar .header-actions .language-picker .language-chevron,
  .portal-topbar .header-actions .language-picker .language-chevron,
  .presale-topbar .header-actions .language-picker .language-chevron,
  .academy-topbar .header-actions .language-picker .language-chevron,
  .swap-topbar .header-actions .language-picker .language-chevron {
    display: none;
  }

  .topbar .header-actions .language-picker .language-current-flag,
  .portal-topbar .header-actions .language-picker .language-current-flag,
  .presale-topbar .header-actions .language-picker .language-current-flag,
  .academy-topbar .header-actions .language-picker .language-current-flag,
  .swap-topbar .header-actions .language-picker .language-current-flag {
    width: 26px;
    height: 26px;
  }

  .topbar .menu-toggle,
  .portal-topbar .menu-toggle,
  .presale-topbar .menu-toggle,
  .academy-topbar .menu-toggle,
  .swap-topbar .menu-toggle {
    display: inline-flex;
  }

  .topbar .nav-links,
  .portal-topbar .nav-links,
  .presale-topbar .nav-links,
  .academy-topbar .nav-links,
  .swap-topbar .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    width: 100%;
    max-height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 220ms ease, opacity 180ms ease, padding 180ms ease;
  }

  .topbar.menu-open .nav-links,
  .portal-topbar.menu-open .nav-links,
  .presale-topbar.menu-open .nav-links,
  .academy-topbar.menu-open .nav-links,
  .swap-topbar.menu-open .nav-links {
    max-height: 520px;
    padding: 10px 0 4px;
    opacity: 1;
    pointer-events: auto;
  }

  .topbar .nav-links a,
  .portal-topbar .nav-links a,
  .presale-topbar .nav-links a,
  .academy-topbar .nav-links a,
  .swap-topbar .nav-links a,
  .topbar .nav-links button,
  .portal-topbar .nav-links button,
  .presale-topbar .nav-links button,
  .academy-topbar .nav-links button,
  .swap-topbar .nav-links button {
    display: flex;
    min-height: 44px;
    padding: 0 14px;
    border: 1px solid var(--nav-line);
    border-radius: 10px;
    color: var(--nav-ink);
    background: #f8fafc;
  }

  .topbar .nav-links a:hover,
  .portal-topbar .nav-links a:hover,
  .presale-topbar .nav-links a:hover,
  .academy-topbar .nav-links a:hover,
  .swap-topbar .nav-links a:hover,
  .topbar .nav-links a.active,
  .portal-topbar .nav-links a.active,
  .presale-topbar .nav-links a.active,
  .academy-topbar .nav-links a.active,
  .swap-topbar .nav-links a.active,
  .topbar .nav-links button:hover,
  .portal-topbar .nav-links button:hover,
  .presale-topbar .nav-links button:hover,
  .academy-topbar .nav-links button:hover,
  .swap-topbar .nav-links button:hover {
    color: #fff;
    background: var(--nav-accent);
    border-color: var(--nav-accent);
  }

  .topbar .nav-links a.active::after,
  .portal-topbar .nav-links a.active::after,
  .presale-topbar .nav-links a.active::after,
  .academy-topbar .nav-links a.active::after,
  .swap-topbar .nav-links a.active::after {
    display: none;
  }

  .topbar .nav-more-wrap,
  .portal-topbar .nav-more-wrap,
  .presale-topbar .nav-more-wrap,
  .academy-topbar .nav-more-wrap,
  .swap-topbar .nav-more-wrap {
    width: 100%;
  }

  .topbar .nav-more-btn,
  .portal-topbar .nav-more-btn,
  .presale-topbar .nav-more-btn,
  .academy-topbar .nav-more-btn,
  .swap-topbar .nav-more-btn {
    width: 100%;
    justify-content: space-between;
  }

  .topbar .nav-more-menu,
  .portal-topbar .nav-more-menu,
  .presale-topbar .nav-more-menu,
  .academy-topbar .nav-more-menu,
  .swap-topbar .nav-more-menu {
    position: static;
    width: 100%;
    margin-top: 6px;
    box-shadow: none;
  }
}