@charset "UTF-8";

// Global Header Styles
header {
  width: 100%;
  padding: 0 1.5em;
  box-sizing: border-box;
  border-bottom: 1px solid;

  @include colors() {
    border-color: c(kinda-light);
  }

  nav {
    width: 100%;
    max-width: $max-width;
    margin: 0 auto;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;

    a#logo {
      display: flex;
      align-items: center;

      @include colors() {
        color: c(medium-dark);
      }

      h1#name {
        margin: 1.1em 0 1.1em 0.725em;
        font-size: 1.35em;
        font-weight: 500;
        line-height: 1;
        letter-spacing: -0.01em;
      }

      svg {
        width: 28px;
        height: 40px;
      }

      // mix up logo colors on hover
      &:hover {
        @include colors() {
          color: c(links);
        }

        svg {
          g#c1 {
            fill: $color-logo2;
          }
          g#c2 {
            fill: $color-logo3;
          }
          g#c3 {
            fill: $color-logo1;
          }
        }
      }
    }

    // Horizontal emoji links
    ul {
      list-style: none;
      display: flex;
      align-items: center;
      margin: 0;
      padding: 0;

      li {
        text-align: right;
        margin-left: 2em;

        a {
          display: inline-block;
          transition: transform 0.15s ease-in-out;

          @include colors() {
            color: c(medium-dark);
          }

          &:hover {
            transform: scale(1.15);

            @include colors() {
              color: c(links);
            }
          }

          span.icon {
            font-size: 1.35em;
            vertical-align: -0.075em;
          }

          span.text {
            font-size: 0.95em;
            font-weight: 500;
            letter-spacing: -0.002em;
            margin-left: 0.55em;
          }
        }

        // no margin on the first child to make more room on narrow windows (before responsiveness kicks in).
        // last child is the dark mode toggle -- margin is set directly on it in case it's hidden (if JS is disabled).
        &:first-child,
        &:last-child {
          margin-left: 0;
        }
      }

      // Dark mode toggle
      button.dark-mode-toggle {
        // native button reset
        border: 0;
        padding: 0;

        // prepare for lightbulb symbol depending on active theme (set in components/_global)
        background-color: transparent;
        background-repeat: no-repeat;
        background-size: 100% 100%;

        height: 1.5em;
        width: 1em;
        margin-left: 2em;
        cursor: pointer;

        // hidden by default in case user's JS is disabled, switches to `block` onload in dark-mode.js
        display: none;
      }
    }
  }
}

// Responsive
@mixin responsive--header() {
  header {
    padding: 1em 1.25em;

    nav {
      a#logo {
        img,
        svg {
          width: 36px;
          height: 54px;
        }

        h1#name {
          display: none;
        }
      }

      ul {
        font-size: 1.6em;

        li {
          margin-left: 1.15em;

          a {
            span.icon {
              font-size: 0.9em;
            }

            // hide text next to emojis on mobile
            span.text {
              display: none;
            }

            // disable hover scale effect
            &:hover {
              transform: none;
            }
          }
        }

        // Dark mode toggle
        button.dark-mode-toggle {
          // TODO: figure out need for weird magic numbers here
          height: 1.025em;
          width: 0.75em;
          margin-top: 0.15em;
          margin-left: 1.15em;
        }
      }
    }
  }
}