/* Avanza Cred - 导航栏样式 */
.avanza-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  padding: 0.75rem 0;
}

.nav-container {
  position: relative;
  z-index: 102;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.nav-logo-img {
  display: block;
  height: 32px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--primary-medium);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.5rem;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-medium);
}

.nav-link.active {
  font-weight: 600;
  border-bottom: 2px solid var(--primary-medium);
  border-radius: 0;
}

.nav-btn-google {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.2s;
}

.nav-btn-google:hover {
  opacity: 0.9;
}

.nav-googleplay-img {
  display: block;
  height: 40px;
  width: auto;
  object-fit: contain;
}

.nav-backdrop {
  display: none;
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  position: relative;
  z-index: 103;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  padding: 0;
  transition: background-color 0.2s ease;
}

.nav-toggle:hover {
  background: rgba(0, 61, 43, 0.06);
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary-dark);
  border-radius: 999px;
  transition:
    transform 0.32s cubic-bezier(0.32, 0.72, 0, 1),
    opacity 0.2s ease;
}

.nav-toggle.is-active {
  background: rgba(0, 61, 43, 0.08);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

body.nav-open {
  overflow: hidden;
}

.nav-menu-brand {
  display: none;
}

@media (max-width: 992px) {
  :root {
    --nav-bar-height: calc(0.625rem * 2 + 32px + 1px + env(safe-area-inset-top, 0px));
  }

  #nav-placeholder {
    height: var(--nav-bar-height);
  }

  .avanza-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    padding: 0.625rem 0;
    padding-top: calc(0.625rem + env(safe-area-inset-top, 0px));
  }

  .nav-container {
    padding: 0 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-logo {
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  body.nav-open .nav-logo {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 61, 43, 0.42);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.35s ease,
      visibility 0.35s ease;
    z-index: 100;
  }

  .nav-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
  }

  .nav-menu-brand {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    left: auto;
    width: min(100%, 320px);
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding:
      calc(var(--nav-bar-height, 57px) + 16px)
      0
      calc(1.25rem + env(safe-area-inset-bottom, 0px));
    background: var(--white);
    box-shadow: -12px 0 40px rgba(0, 61, 43, 0.14);
    transform: translateX(105%);
    visibility: hidden;
    pointer-events: none;
    transition:
      transform 0.42s cubic-bezier(0.32, 0.72, 0, 1),
      visibility 0.42s ease;
    z-index: 101;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    border-bottom: none;
  }

  .nav-menu.is-open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  .nav-item {
    width: 100%;
    opacity: 0;
    transform: translateX(16px);
    transition:
      opacity 0.35s ease,
      transform 0.35s ease;
  }

  .nav-menu.is-open .nav-item {
    opacity: 1;
    transform: translateX(0);
  }

  .nav-menu.is-open .nav-item:nth-child(2) { transition-delay: 0.06s; }
  .nav-menu.is-open .nav-item:nth-child(3) { transition-delay: 0.1s; }
  .nav-menu.is-open .nav-item:nth-child(4) { transition-delay: 0.14s; }
  .nav-menu.is-open .nav-item:nth-child(5) { transition-delay: 0.18s; }
  .nav-menu.is-open .nav-item:nth-child(6) { transition-delay: 0.22s; }
  .nav-menu.is-open .nav-item:nth-child(7) { transition-delay: 0.26s; }
  .nav-menu.is-open .nav-item:nth-child(8) { transition-delay: 0.3s; }

  .nav-menu-brand {
    position: absolute;
    top: calc(env(safe-area-inset-top, 0px) + 0.625rem);
    left: 1.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
    opacity: 0;
    transform: translateX(16px);
    transition:
      opacity 0.35s ease,
      transform 0.35s ease;
  }

  .nav-menu.is-open .nav-menu-brand {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.04s;
  }

  .nav-menu-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
  }

  .nav-menu-logo-img {
    display: block;
    height: 32px;
    width: auto;
    margin-top:5px;
    object-fit: contain;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    line-height: 1.4;
    font-weight: 500;
    white-space: normal;
    border-radius: 0;
    border-bottom: 1px solid rgba(0, 61, 43, 0.08);
    transition:
      color 0.2s ease,
      background-color 0.2s ease,
      border-color 0.2s ease;
  }

  .nav-link:hover {
    background: rgba(185, 255, 122, 0.12);
    color: var(--primary-medium);
  }

  .nav-link.active {
    background: rgba(185, 255, 122, 0.18);
    color: var(--primary-medium);
    font-weight: 600;
    border-bottom: none;
    box-shadow: inset 4px 0 0 var(--lime-green);
  }

  .nav-item-cta {
    margin-top: auto;
    padding: 1.25rem 1.5rem 0;
    border-top: 1px solid rgba(0, 61, 43, 0.08);
  }

  .nav-btn-google {
    justify-content: center;
    width: 100%;
    border-radius: 16px;
    transition:
      background-color 0.2s ease,
      opacity 0.2s ease;
  }

  .nav-btn-google:hover {
    background: rgba(193, 255, 46, 0.16);
    opacity: 1;
  }

  .nav-googleplay-img {
    height:60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-toggle-bar,
  .nav-backdrop,
  .nav-menu,
  .nav-item {
    transition: none !important;
  }
}