/* ═══════════════════════════════════════════════════════════
   VEXTALEARN — Public navigation
   A restrained, product-style top bar: strong alignment, one
   clear action, quiet utility controls, and no decorative noise.
   Loaded after the shared theme layer and before page overrides.
   ═══════════════════════════════════════════════════════════ */

.vxt-navbar {
  --nav-ink: var(--text-primary);
  --nav-muted: var(--text-secondary);
  --nav-line: var(--border);
  --nav-control: var(--card-bg);
  background: var(--navbar-bg);
  border-bottom: 1px solid var(--nav-line);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.025);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  backdrop-filter: saturate(160%) blur(18px);
}

.vxt-navbar-container {
  min-height: 72px;
  gap: 20px;
}

.vxt-navbar .vx-navbar-brand {
  flex: 0 0 auto;
  gap: 10px;
  padding: 5px 0;
  color: var(--nav-ink);
}

.vxt-navbar .vx-navbar-mark {
  height: 32px;
  width: auto;
}

.vxt-navbar .vx-navbar-wordmark {
  font-size: 1.08rem;
  font-weight: 750;
  letter-spacing: -0.025em;
}

.vxt-navbar .vx-navbar-wordmark-accent { color: var(--nav-ink); }
.vxt-navbar .vx-navbar-wordmark-learn { color: var(--primary); }

/* Primary navigation reads as a single quiet text row. The active state is
   carried by type and a short rule, rather than a collection of pill buttons. */
.vxt-navbar .vxt-mobile-menu-primary {
  align-items: center;
  gap: 2px;
  margin: 0 0 0 clamp(20px, 3vw, 46px) !important;
}

.vxt-navbar .vxt-mobile-menu-primary .nav-link {
  position: relative;
  min-height: 40px;
  padding: 9px 11px !important;
  margin: 0 !important;
  border-radius: 7px;
  color: var(--nav-muted);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  background: transparent;
}

.vxt-navbar .vxt-mobile-menu-primary .nav-link::after {
  left: 11px;
  right: 11px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
}

.vxt-navbar .vxt-mobile-menu-primary .nav-link:hover {
  color: var(--nav-ink);
  background: transparent;
}

.vxt-navbar .vxt-mobile-menu-primary .nav-link.active {
  color: var(--nav-ink);
  background: transparent;
  font-weight: 700;
}

/* Utility controls use the same footprint so the right side feels designed,
   not assembled from unrelated Bootstrap defaults. */
.vxt-navbar .vxt-mobile-menu-secondary {
  align-items: center;
  gap: 4px;
}

.vxt-navbar .vxt-mobile-menu-secondary .nav-item.me-2,
.vxt-navbar .vxt-mobile-menu-secondary .nav-item.ms-2 {
  margin: 0 !important;
}

.vxt-navbar .vxt-nav-icon,
.vxt-navbar #languageSwitcher {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px !important;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--nav-muted);
  background: transparent;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.vxt-navbar .vxt-nav-icon:hover,
.vxt-navbar .vxt-nav-icon:focus-visible,
.vxt-navbar #languageSwitcher:hover,
.vxt-navbar #languageSwitcher:focus-visible {
  color: var(--nav-ink);
  border-color: var(--nav-line);
  background: var(--nav-control);
  box-shadow: 0 2px 7px rgba(15, 23, 42, 0.05);
}

.vxt-navbar .vxt-nav-icon .notification-badge {
  top: 1px;
  right: 1px;
}

.vxt-navbar .vxt-nav-profile-trigger {
  min-height: 40px;
  padding: 4px 10px 4px 5px !important;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--nav-ink);
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.vxt-navbar .vxt-nav-profile-trigger:hover,
.vxt-navbar .vxt-nav-profile-trigger:focus-visible {
  border-color: var(--nav-line);
  background: var(--nav-control);
  color: var(--nav-ink);
}

.vxt-navbar .vxt-nav-profile-trigger .nav-avatar {
  width: 30px;
  height: 30px;
  border: 2px solid var(--card-bg);
  box-shadow: 0 0 0 1px var(--nav-line);
}

.vxt-navbar .vxt-nav-login-link {
  min-height: 40px;
  padding-inline: 10px !important;
  color: var(--nav-muted);
  font-weight: 600;
}

.vxt-navbar .vxt-nav-login-link:hover {
  color: var(--nav-ink);
  background: transparent;
}

.vxt-navbar .vxt-mobile-menu-cta {
  min-height: 40px;
  margin-left: 4px !important;
  padding: 0 16px !important;
  border: 1px solid var(--primary-700);
  border-radius: 8px;
  background: var(--primary-700);
  color: #fff;
  box-shadow: 0 3px 8px rgba(30, 58, 138, 0.16);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.vxt-navbar .vxt-mobile-menu-cta:hover,
.vxt-navbar .vxt-mobile-menu-cta:focus-visible {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
  color: #fff;
  box-shadow: 0 5px 12px rgba(30, 58, 138, 0.2);
  transform: translateY(-1px);
}

.vxt-navbar .vxt-desktop-divider {
  height: 26px;
  margin: 0 10px 0 16px;
  background: var(--nav-line);
}

.vxt-navbar .vxt-dropdown {
  margin-top: 8px;
  border-radius: 10px;
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.14);
}

/* Mobile keeps the same hierarchy but turns the collapse into a calm,
   full-width menu. The compact action row remains the first-class header. */
.vxt-navbar .vxt-mobile-actions {
  gap: 6px;
}

.vxt-navbar .vxt-mobile-icon-btn,
.vxt-navbar .vxt-mobile-toggler {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border-color: var(--nav-line);
  background: var(--nav-control);
  color: var(--nav-muted);
  box-shadow: none;
}

.vxt-navbar .vxt-mobile-icon-btn:hover,
.vxt-navbar .vxt-mobile-icon-btn:focus-visible,
.vxt-navbar .vxt-mobile-toggler:hover,
.vxt-navbar .vxt-mobile-toggler:focus-visible {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

.vxt-navbar .vxt-mobile-avatar-btn {
  width: 40px;
  height: 40px;
}

.vxt-navbar .vxt-mobile-avatar-btn .vxt-mobile-avatar {
  width: 31px;
  height: 31px;
  border: 2px solid var(--card-bg);
  box-shadow: 0 0 0 1px var(--nav-line);
}

.vxt-navbar .vxt-mobile-login-btn {
  height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  background: var(--primary-700);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

@media (max-width: 991.98px) {
  .vxt-navbar-container {
    min-height: 68px;
    gap: 12px;
  }

  .vxt-navbar .vx-navbar-mark { height: 30px; }
  .vxt-navbar .vx-navbar-wordmark { font-size: 1rem; }

  .vxt-navbar .navbar-collapse {
    margin-top: 10px;
    padding: 12px 0 4px;
    border-top: 1px solid var(--nav-line);
  }

  .vxt-navbar .vxt-mobile-menu-primary {
    display: block;
    margin: 0 !important;
  }

  .vxt-navbar .vxt-mobile-menu-primary .nav-link {
    min-height: 44px;
    padding: 11px 12px !important;
    border-radius: 7px;
  }

  .vxt-navbar .vxt-mobile-menu-primary .nav-link.active,
  .vxt-navbar .vxt-mobile-menu-primary .nav-link:hover {
    background: var(--primary-light);
    color: var(--primary);
  }

  .vxt-navbar .vxt-mobile-menu-primary .nav-link.active::before {
    content: '';
    position: absolute;
    inset-inline-start: 3px;
    top: 9px;
    bottom: 9px;
    width: 3px;
    border-radius: 2px;
    background: var(--primary);
  }

  .vxt-navbar .vxt-mobile-menu-primary .nav-link::after {
    display: none;
  }

  .vxt-navbar .vxt-mobile-menu-secondary {
    display: block;
  }

  .vxt-navbar .vxt-mobile-menu-secondary .nav-link {
    min-height: 44px;
  }

  .vxt-navbar .vxt-mobile-menu-secondary .vxt-mobile-menu-cta {
    width: 100%;
    margin-top: 8px !important;
  }
}

@media (max-width: 575.98px) {
  .vxt-navbar-container {
    padding-inline: 12px;
  }

  .vxt-navbar .vx-navbar-brand {
    gap: 8px;
  }

  .vxt-navbar .vx-navbar-wordmark {
    font-size: 0.96rem;
  }
}

html[data-theme="dark"] .vxt-navbar {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

@media (prefers-reduced-motion: reduce) {
  .vxt-navbar,
  .vxt-navbar *,
  .vxt-navbar *::before,
  .vxt-navbar *::after {
    transition-duration: 0.01ms !important;
  }
}

/* ─── Mobile top header compaction ────────────────────────────
   Root cause of the oversized mobile bar: .vxt-navbar-container's
   min-height (68px, set above) stacked with .vxt-navbar's 8px
   top+bottom padding, for ~85px total — well past the 40px the
   icon buttons/toggler actually need. This tightens both values
   for mobile widths only (≤991.98px); desktop (min-height 72px,
   12px padding) is untouched, no markup/colors/icon sizes change,
   and this rule set loads last in the file so it wins the cascade
   over the block above. New total: 6 + 56 + 6 = 68px (+1px
   border), inside the 64-72px target and still >40px so the
   existing 40px icon/avatar/toggler buttons stay comfortably
   centered and tappable. */
@media (max-width: 991.98px) {
  .vxt-navbar { padding: 6px 0; }
  .vxt-navbar-container { min-height: 56px; }
}

/* ─── Mobile navigation drawer ────────────────────────────────
   The hamburger keeps the existing navigation and routes, but presents
   them as a focused app-style drawer instead of an in-flow dropdown. */
.vxt-mobile-drawer-backdrop,
.vxt-mobile-drawer__header,
.vxt-mobile-drawer__link-icon,
.vxt-mobile-drawer__close {
  display: none;
}

@media (max-width: 991.98px) {
  .vxt-navbar {
    z-index: 1040;
  }

  .vxt-mobile-drawer-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1040;
    background: rgba(15, 23, 42, 0.38);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 220ms ease, visibility 220ms ease;
  }

  .vxt-mobile-drawer {
    display: flex !important;
    position: fixed;
    inset-block: 0;
    inset-inline-end: 0;
    z-index: 1041;
    width: min(80vw, 360px);
    max-width: 360px;
    height: 100dvh;
    flex-direction: column;
    gap: 0;
    margin: 0 !important;
    padding: max(18px, env(safe-area-inset-top)) 18px max(20px, env(safe-area-inset-bottom)) !important;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--card-bg);
    border: 0;
    border-inline-start: 1px solid var(--border);
    border-radius: 22px 0 0 22px;
    box-shadow: -18px 0 48px rgba(15, 23, 42, 0.18);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(104%);
    transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1), opacity 220ms ease, visibility 220ms ease;
  }

  .vxt-mobile-drawer.vxt-mobile-drawer--open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
  }

  .vxt-mobile-drawer-backdrop.vxt-mobile-drawer-backdrop--open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .vxt-mobile-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 58px;
    padding: 0 2px 18px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--border-light);
  }

  .vxt-mobile-drawer__header strong {
    display: block;
    color: var(--text-primary);
    font-family: var(--font-display, inherit);
    font-size: 1.08rem;
    letter-spacing: -0.02em;
  }

  .vxt-mobile-drawer__eyebrow {
    display: block;
    margin-bottom: 3px;
    color: var(--text-muted);
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    line-height: 1;
    text-transform: uppercase;
  }

  .vxt-mobile-drawer__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-2);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 160ms ease, border-color 160ms ease, background 160ms ease, transform 160ms ease;
  }

  .vxt-mobile-drawer__close:hover,
  .vxt-mobile-drawer__close:focus-visible {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
  }

  .vxt-mobile-drawer__close:active {
    transform: scale(0.94);
  }

  .vxt-mobile-drawer .vxt-mobile-menu-primary {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    margin: 10px 0 0 !important;
  }

  .vxt-mobile-drawer .vxt-mobile-menu-primary .nav-item {
    width: 100%;
  }

  .vxt-mobile-drawer .vxt-mobile-menu-primary .nav-link {
    display: flex;
    align-items: center;
    gap: 13px;
    min-height: 52px;
    padding: 0 14px !important;
    margin: 0 !important;
    border-radius: 14px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 650;
  }

  .vxt-mobile-drawer .vxt-mobile-menu-primary .nav-link:hover,
  .vxt-mobile-drawer .vxt-mobile-menu-primary .nav-link:focus-visible,
  .vxt-mobile-drawer .vxt-mobile-menu-primary .nav-link:active,
  .vxt-mobile-drawer .vxt-mobile-menu-primary .nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
  }

  .vxt-mobile-drawer .vxt-mobile-menu-primary .nav-link.active {
    box-shadow: inset 3px 0 0 var(--primary);
  }

  .vxt-mobile-drawer__link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: color 160ms ease;
  }

  .vxt-mobile-drawer .nav-link:hover .vxt-mobile-drawer__link-icon,
  .vxt-mobile-drawer .nav-link:focus-visible .vxt-mobile-drawer__link-icon,
  .vxt-mobile-drawer .nav-link.active .vxt-mobile-drawer__link-icon {
    color: var(--primary);
  }

  .vxt-mobile-drawer .vxt-mobile-menu-divider {
    display: block;
    flex: 0 0 auto;
    height: 1px;
    margin: 18px 2px 12px;
    background: var(--border);
  }

  .vxt-mobile-drawer .vxt-mobile-menu-secondary {
    display: block;
    width: 100%;
    margin: 0 !important;
  }

  .vxt-mobile-drawer .vxt-mobile-menu-secondary .nav-item,
  .vxt-mobile-drawer .vxt-mobile-menu-secondary .nav-link {
    width: 100%;
  }

  .vxt-mobile-drawer .vxt-mobile-menu-secondary .nav-link {
    justify-content: flex-start !important;
    min-height: 46px;
    padding: 9px 14px !important;
    margin: 0 !important;
    border-radius: 12px;
  }

  .vxt-mobile-drawer .vxt-mobile-menu-secondary .nav-link:hover,
  .vxt-mobile-drawer .vxt-mobile-menu-secondary .nav-link:focus-visible {
    background: var(--surface-2);
    color: var(--primary);
  }

  .vxt-mobile-drawer .vxt-mobile-menu-secondary .nav-item.me-2,
  .vxt-mobile-drawer .vxt-mobile-menu-secondary .nav-item.ms-2 {
    margin: 0 !important;
  }

  .vxt-mobile-drawer .vxt-mobile-menu-secondary .vxt-mobile-menu-cta {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    margin: 8px 0 0 !important;
  }

  body.vxt-mobile-drawer-open {
    overflow: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vxt-mobile-drawer,
  .vxt-mobile-drawer-backdrop,
  .vxt-mobile-drawer__close,
  .vxt-mobile-drawer__link-icon {
    transition-duration: 0.01ms !important;
  }
}