navbar.scss

@use "styles/constants";

$navbar: ".IIT-navbar";
$markerClass: ".active-marker";

:root {
  --navbar-height: 50px;
  --menu-inset: -8px;
}

.menu-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

#{$navbar} {
  /* There was a horizontal scrollbar from visually hidden text in Safari */
  overflow-x: hidden;

  background-color: var(--color-primary-1);
  color: var(--color-white);

  .navbar--inner-wrapper {
    // Stretch everything out
    display: grid;
    min-height: var(--navbar-height);
  }

  .middle-divider {
    flex: 1;
  }
}

$mobile-ns: ".mobile-nav";
$desktop-ns: ".desktop-nav";

#{$mobile-ns} {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);

  --offset: 4px;
  .nav-link {
    // Need to add padding so that the focus outline doesn't display as a weird
    // shape
    padding-bottom: var(--offset);
  }

  .home-link p {
    // Manual visual adjustment
    transform: translateY(var(--offset));
  }
}

#{$desktop-ns} {
  display: none;

  // Media query will set display to flex
  gap: var(--spacing-6);

  // Just introduce a horizontal scroll for viewport where the menu items don't
  // fit
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
  &::-webkit-scrollbar {
    width: 0;
    height: 0;
  }

  & > * {
    min-width: fit-content;
  }
}

@media #{map-get(constants.$QUERIES, tabletAndUp)} {
  #{$mobile-ns} {
    display: none;
  }

  #{$desktop-ns} {
    display: flex;
  }
}

.menu-toggler {
  align-self: center;

  position: relative;
  top: 4px;

  // Make menu flush with padding
  margin-right: var(--menu-inset);

  -webkit-tap-highlight-color: transparent;

  padding: 0;
  border: 0;

  width: 40px;
  height: 40px;

  display: flex;
  flex-direction: column;
  align-items: center;
  place-content: center;

  .icon-container {
    position: relative;
    width: var(--size);
    height: var(--size);
    text-align: center;
  }

  .icon {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;

    opacity: 0;
    will-change: opacity;

    &.active {
      opacity: 1;
      transition: opacity 250ms;
    }
  }

  p {
    margin-top: -6px;
    font-size: 0.5rem;
    font-weight: bold;
  }
}

.mobile-menu-close {
  position: relative;

  -webkit-tap-highlight-color: transparent;

  width: 40px;
  height: 40px;

  display: grid;
  place-content: center;

  color: var(--color-text);

  // transform: translateX(calc(-1 * var(--menu-inset)));
}

#{$navbar} .nav-link-wrapper {
  --activeColor: var(--color-accent-1);

  position: relative;
  display: flex;
  align-items: center;

  // Need a bit of spacing at the ends because keyboard navigation highlight
  // gets chopped off
  &:first-of-type {
    .nav-link {
      margin-left: 4px;
    }
  }
  &:last-of-type {
    .nav-link {
      margin-right: 4px;
    }
  }

  .nav-link {
    margin: var(--spacing-2) 0;

    font-size: 1.2rem;
    line-height: 1;

    &.active {
      color: var(--activeColor);
    }

    &.active ~ #{$markerClass} {
      opacity: 1;
    }

    &:hover {
      text-decoration: none;
    }
  }

  #{$markerClass} {
    opacity: 0;

    position: absolute;
    bottom: 0;

    width: 100%;
    height: 3px;

    background-color: var(--activeColor);
  }
}

$mobileMenu: ".IIT-mobile-menu";

#{$mobileMenu} {
  .wrapper {
    background: transparent;
  }

  &.active {
    .wrapper {
      pointer-events: auto;
    }

    .background {
      opacity: 0.6;
    }
  }
}

#{$mobileMenu} .IIT-mobile-dialog--content {
  --menu-width: 300px;

  overflow: hidden;
  width: min(var(--menu-width), 100%);
  height: 100%;

  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
}

#{$mobileMenu} .wrapper {
  // Can scroll if menu items overflow
  overflow-y: auto;

  position: relative;
  height: 100%;

  background: var(--color-background);

  .wrapper--container {
    min-height: 100%;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .close-container {
    width: 100%;
    min-height: var(--navbar-height);

    padding-left: var(--standard-side-padding);
    padding-right: var(--standard-side-padding);

    display: flex;
    align-items: center;
    justify-content: flex-end;
  }

  .spacer {
    flex: 1;
  }

  .body {
    --gap: var(--spacing-5);

    padding-bottom: var(--navbar-height);

    display: flex;
    flex-direction: column;
    gap: var(--gap);

    .home-link {
      svg {
        // Manual visual adjustment
        transform: translateY(1px);
      }
    }
  }

  .nav-link-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--gap);

    .nav-link {
      font-size: 2rem;
      line-height: 1;

      color: var(--color-link);

      &.active {
        color: var(--color-accent-1);
      }
    }
  }
}