/* ============================================================
   MATH QUIZ APP - MOBILE BOTTOM NAVIGATION
   ============================================================ */

.landing-bottom-nav,
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.04);
  padding: 0.5rem 0.75rem;
  padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
}

.landing-bottom-nav .nav-list,
.mobile-bottom-nav .nav-list {
  display: flex;
  justify-content: space-around;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.landing-bottom-nav .nav-item,
.mobile-bottom-nav .nav-item {
  flex: 1;
  text-align: center;
}

.landing-bottom-nav .nav-link,
.mobile-bottom-nav .nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-decoration: none;
  color: #888;
  font-size: 0.6rem;
  font-weight: 500;
  padding: 0.4rem 0.25rem;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.landing-bottom-nav .nav-link i,
.mobile-bottom-nav .nav-link i {
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.landing-bottom-nav .nav-link.active,
.mobile-bottom-nav .nav-link.active {
  color: #0b5ed7;
}

.landing-bottom-nav .nav-link.active i,
.mobile-bottom-nav .nav-link.active i {
  transform: scale(1.1);
}

.landing-bottom-nav .nav-link:active,
.mobile-bottom-nav .nav-link:active {
  transform: scale(0.95);
}

/* Logout */
.landing-bottom-nav .nav-link-logout,
.mobile-bottom-nav .nav-link-logout {
  color: #dc3545;
}

/* Landing: Primary button */
.landing-bottom-nav .nav-link-primary {
  background: #0b5ed7;
  color: #fff;
  border-radius: 20px;
  padding: 0.4rem 0.75rem;
  gap: 2px;
}

.landing-bottom-nav .nav-link-primary i {
  font-size: 0.9rem;
}

@media (max-width: 991.98px) {
  .landing-bottom-nav,
  .mobile-bottom-nav {
    display: block;
  }
  .app-sidebar {
    display: none !important;
  }
  .app-main {
    margin-left: 0 !important;
    width: 100% !important;
    padding-bottom: 80px !important;
  }
  #mobile-menu-btn {
    display: none !important;
  }
}