/* MenuNav styles. Global, unscoped and token-driven, so an app restyles the
   menu through the tokens or its own rules. The 767px breakpoint is fixed
   here because custom properties cannot drive media queries. */

.menu-nav {
  font-family: var(--menu-font);
  font-size: var(--menu-font-size);
  line-height: var(--menu-line-height);
  color: var(--menu-color-text);
}

.menu-nav__list,
.menu-nav__submenu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--menu-space-2);
}

.menu-nav__item {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.menu-nav__link,
.menu-nav__text {
  display: inline-flex;
  align-items: center;
  gap: var(--menu-space-2);
  padding: var(--menu-space-2) var(--menu-space-3);
  border-radius: var(--menu-radius);
  color: inherit;
  text-decoration: none;
  overflow-wrap: anywhere;
}

button.menu-nav__link,
.menu-nav__subtoggle,
.menu-nav__toggle {
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.menu-nav__link:hover,
.menu-nav__subtoggle:hover {
  background: var(--menu-color-surface);
}

.menu-nav__link--active {
  color: var(--menu-color-accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.35em;
}

.menu-nav__item--trail > .menu-nav__link,
.menu-nav__item--trail > .menu-nav__subtoggle {
  color: var(--menu-color-accent);
}

.menu-nav__link:focus-visible,
.menu-nav__subtoggle:focus-visible,
.menu-nav__toggle:focus-visible {
  outline: 2px solid var(--menu-color-accent);
  outline-offset: 2px;
}

.menu-nav__subtoggle:not(.menu-nav__link) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--menu-space-2);
  border-radius: var(--menu-radius);
}

.menu-nav__chevron {
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 150ms ease;
}

.menu-nav__item--open > .menu-nav__subtoggle .menu-nav__chevron {
  transform: translateY(1px) rotate(-135deg);
}

@media (prefers-reduced-motion: reduce) {
  .menu-nav__chevron {
    transition: none;
  }
}

.menu-nav__submenu {
  display: none;
}

.menu-nav__item--open > .menu-nav__submenu {
  display: block;
}

.menu-nav__submenu .menu-nav__link,
.menu-nav__submenu .menu-nav__text {
  display: flex;
  flex: 1 1 auto;
}

.menu-nav__divider {
  align-self: stretch;
  margin: var(--menu-space-1) 0;
  border-top: 1px solid var(--menu-color-border);
}

.menu-nav__sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.menu-nav__toggle {
  display: none;
  position: relative;
  width: var(--menu-toggle-size);
  height: var(--menu-toggle-size);
  border: 1px solid var(--menu-color-border);
  border-radius: var(--menu-radius);
  background: var(--menu-color-bg);
}

.menu-nav__toggle-bars,
.menu-nav__toggle-bars::before,
.menu-nav__toggle-bars::after {
  position: absolute;
  left: 50%;
  width: 1.25rem;
  height: 2px;
  margin-left: -0.625rem;
  background: var(--menu-color-text);
  content: '';
}

.menu-nav__toggle-bars {
  top: 50%;
}

.menu-nav__toggle-bars::before,
.menu-nav__toggle-bars::after {
  left: 0;
  margin-left: 0;
}

.menu-nav__toggle-bars::before {
  top: -6px;
}

.menu-nav__toggle-bars::after {
  top: 6px;
}

/* Desktop */
@media (min-width: 768px) {
  .menu-nav__list > .menu-nav__divider {
    align-self: center;
    width: 1px;
    height: 1.25rem;
    margin: 0;
    border-top: 0;
    border-inline-start: 1px solid var(--menu-color-border);
  }

  .menu-nav__item > .menu-nav__submenu {
    position: absolute;
    z-index: 30;
    inset-inline-start: 0;
    top: calc(100% + var(--menu-space-2));
    min-width: var(--menu-submenu-min-width);
    padding: var(--menu-space-2);
    background: var(--menu-color-bg);
    border: 1px solid var(--menu-color-border);
    border-radius: var(--menu-radius-panel);
    box-shadow: var(--menu-shadow);
  }

  .menu-nav__submenu .menu-nav__item > .menu-nav__submenu {
    inset-inline-start: 100%;
    top: 0;
  }
}

/* Mobile */
@media (max-width: 767px) {
  .menu-nav__toggle {
    display: inline-block;
  }

  .menu-nav__list {
    position: absolute;
    z-index: 30;
    inset-inline: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: var(--menu-space-1);
    padding: var(--menu-space-2) var(--menu-space-3) var(--menu-space-3);
    background: var(--menu-color-bg);
    border-bottom: 1px solid var(--menu-color-border);
    box-shadow: var(--menu-shadow);
  }

  .menu-nav--open .menu-nav__list {
    display: flex;
  }

  .menu-nav__item > .menu-nav__link,
  .menu-nav__item > .menu-nav__text {
    flex: 1 1 auto;
  }

  button.menu-nav__link {
    width: 100%;
    justify-content: space-between;
  }

  .menu-nav__submenu {
    flex-basis: 100%;
    padding-inline-start: var(--menu-space-3);
  }
}