@font-face {
    font-family: 'charterregular';
    src: url('fonts/charter_regular-webfont.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'firamono';
    src: url('fonts/fira_mono-regular.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
}

:root {
  --font-family: 'charterregular', serif;
  --font-family-mono: 'firamono', monospace;
  --line-height: 1.20rem;
  --border-thickness: 1px;
  --text-color: #f7f1ff;
  --text-color-alt: #5ad4e6;
  --background-color: #222222;
  --background-color-alt: #525053;
  --background-color-code: #363537;
  --font-size: 18px;

  --font-weight-normal: 500;
  --font-weight-medium: 600;
  --font-weight-bold: 800;

  --default-margin: 0 0 0.8ch;

  font-family: var(--font-family);
  font-optical-sizing: auto;
  font-weight: var(--font-weight-normal);
  font-style: normal;
  font-variant-numeric: tabular-nums lining-nums;
  font-size: var(--font-size);

}

@media (prefers-color-scheme: dark) {
  :root {
  --text-color: #f7f1ff;
  --text-color-alt: #5ad4e6;
  --background-color: #222222;
  --background-color-alt: #525053;
  --background-color-code: #191900;
  }
}

@media screen and (max-width: 480px) {
  :root {
    --font-size: 14px;
  }
  body {
    padding: 1ch;
  }
}


html {
  display: flex;
  width: 100%;
  margin: 0;
  padding: 0;
  align-items: center;
  background: var(--background-color);
  color: var(--text-color);
}

body {
  box-sizing: border-box;
  position: relative; 
  max-width: 100%;
  width: 50em;
  padding: 2ch;
  margin: auto;

  a {
    text-decoration: none;
  }

  a:link, a:visited {
    color: var(--text-color);
  }

  a.internal {
    font-variant: small-caps;
  }

  a.external::after {
    content: url("/link.svg");
    display: inline-block;
    height: 0.9em;
    vertical-align: super;
    font-variant: none;
  }

  header {
    padding-bottom: var(--line-height);

    table {
      width: 100%;
      border-collapse: collapse;
      border-spacing: 0;

      td, hd {
        padding: 0;
      }

      td:first-child {
        padding-right: 2ch;
      }
    }

    h1 {
      font-size: 2rem;
      line-height: 2rem;
      margin: 0;
      padding: 0;
      text-transform: uppercase;
    }
    div.subtitle {
      margin: 0;
      padding: 0;
    }
  }

  hr {
    border: none;
    height: 1px;
    color: var(--text-color);
    background-color: var(--text-color);
    margin: 0;
  }

  nav {
    margin: 0 0 var(--line-height);

    ul {
      display: flex;
      justify-content: space-evenly;
      list-style: none;
      padding: 0;
      margin: 0;
      width: 100%;
      
      li.current {
        background: var(--background-color-alt);
      }
    }

    a {
      font-variant: small-caps;
    }

  }

  main {
    h2 {
      font-size: 1.5rem;
      margin: var(--default-margin);
      font-weight: var(--font-weight-bold);
    }

    h3 {
      font-size: 1.2rem;
      margin: 0.8ch 0 0.2ch;
    }

    h4 {
      font-size: 1.1rem;
      margin: 0.8ch 0 0.2ch;
      font-weight: var(--font-weight-bold);
    }

    strong {
      font-weight: var(--font-weight-bold);
    }
    em {
      font-style: italic;
    }

    p {
      word-break: break-word;
      word-wrap: break-word;
      hyphens: auto;
      text-align: justify;
      margin: var(--default-margin);
    }

    figure {
      overflow-x: auto;
      overflow-y: hidden;
      margin: 0 4.5% 0.8ch;

      img, video {
        display: block;
        width: 100%;
        object-fit: cover;
        overflow: hidden;
      }

      figcaption {
        display: block;
        font-style: italic;
        margin-top: calc(0.1 * var(--line-height));
      }
    }

    code {
      font-size: calc(0.85 * var(--font-size));
    }

    pre {
      margin: 0.5ch 0;
      padding: 0.8ch 0.8ch 0.8ch 2ch;
      font-family: var(--font-family-mono);
      border: 2px solid var(--background-color-alt);
      border-radius: 0.5ch;
    }

    details {
      p {
        margin: 0.5ch 0;
        padding: 0.8ch 0.8ch 0.8ch 2ch;
        border: 2px solid var(--background-color-alt);
        border-radius: 0.5ch;
      }
    }

    ol, ul {
      margin: var(--default-margin);
    }
    
    ul.blogs {
      list-style-type: none;
      padding: 0;

      li {
        margin: 0.5ch 0;
        padding: 0.8ch 0.8ch 0.8ch 2ch;
        border: 2px solid var(--background-color-alt);
        border-radius: 0.5ch;

        ul {
          list-style-type: none;
          padding: 0;
          display: flex;
          justify-content: space-between;

          li {
            margin: 0;
            padding: 0;
            border: none;
          
          }
        }
      }
    }
  }

  footer {
    ul {
      margin: 0;
      padding: 0;
      font-size: 80%;
      
      div {
        padding: 0;
        margin: 0;
      }

      li {
        display: block;
        list-style: none;
        text-align: right;
      }
    }
  }
}