bulma/docs/_sass/global/header.scss

@use "sass/utilities/css-variables" as cv;
@use "sass/utilities/mixins" as mx;
@use "../utils";

.bd-header {
  --px: 2rem;
  --py: 2rem;
  align-items: center;
  display: flex;
  flex-grow: 0;
  flex-shrink: 0;
  gap: 0;
  padding: var(--py) var(--px);
  position: relative;
  transition-duration: cv.getVar("duration");
  transition-property: background-image;
}

$d: 2.5rem;

.bd-header-control {
  align-items: center;
  display: flex;
  gap: 0.75rem;
}

.bd-cycle {
  --h: #{cv.getVar("sun-h")};
  --s: #{cv.getVar("sun-s")};
  --l: #{cv.getVar("sun-l")};

  border-radius: 0.5em;
  color: hsl(var(--h), var(--s), var(--l));
  display: flex;
  flex-shrink: 0;
  height: $d;
  overflow: hidden;
  position: relative;
  transition-property: background-color;
  width: $d;

  &:hover {
    background-color: hsla(var(--h), var(--s), var(--l), 0.1);
  }

  &.is-moon {
    --h: #{cv.getVar("moon-h")};
    --s: #{cv.getVar("moon-s")};
    --l: #{cv.getVar("moon-l")};

    .bd-cycles {
      transform: translate3d(0, -1 * $d, 0);
    }
  }
}

.bd-cycles {
  display: flex;
  height: $d * 2;
  flex-shrink: 0;
  flex-direction: column;
  transition-duration: cv.getVar("duration");
  transition-property: transform;
  width: $d;
}

.bd-cycle-sun,
.bd-cycle-moon {
  align-items: center;
  color: inherit;
  display: flex;
  flex-shrink: 0;
  height: $d;
  justify-content: center;
  transition: none;
  width: $d;

  &.is-active {
    opacity: 1;
  }
}

.bd-cycle-sun {
  &.is-active {
    color: var(--sun);
  }
}

.bd-cycle-moon {
  &.is-active {
    color: var(--moon);
  }
}

.bd-header-search {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  position: relative;

  .input {
    background: none;
  }

  .bd-nav-item {
    position: absolute;
    right: 0;
    top: 0;
  }
}

@include mx.until(utils.$header-bp) {
  .bd-header {
    justify-content: center;

    .bd-nav-themes {
      margin-inline-end: auto;
      order: -1;
    }

    .bulma-logo {
      margin-inline-end: auto;
      margin-inline-start: auto;
    }
  }

  .bd-header-control {
    display: none;
  }
}

@include mx.from(utils.$header-bp) {
  .bd-header {
    gap: 0.75rem;
  }

  .bd-nav-item.is-love {
    display: none;
  }
}

@include mx.from(utils.$header-bp + 150px) {
  .bd-header {
    gap: 1rem;
  }

  .bd-nav-item.is-love {
    display: flex;
  }
}

@include mx.from(utils.$header-bp + 300px) {
  .bd-header {
    gap: 1.25rem;
  }
}