/* || Setting Custom Variables */
:root {
  --min-main-height: 400px;
}

* {
  cursor: url("../cursors/arrow.cur"), default;
}
h1,h2,h3,h4,h5,h6, p,em,b,i,strong {
  cursor: text;
}
a, a * {
  cursor: url("../cursors/hand.cur"), pointer;
}

/* || Site-Wide Rules */
@font-face {
  font-family: "AppleII";
  src: url("../fonts/apple-iigs.ttf") format("truetype");
}

body {
  font-family: "AppleII", monospace;
  font-size: 13px;
  letter-spacing: -1px;
  background: #3a23ff;

  display: flex;
  justify-content: center;
  flex-direction: column;
  height: 90vh;
  min-width: 380px;
  padding: 5%;

  &::-webkit-scrollbar {
    display: none;
  }
}

/* || Action Bar */
nav {
  background: white;
  color: black;
  border: solid 3px black;
  height: 25px;

  display: flex;
  align-items: center;

  /* ||| Action Bar Items */
  & * {
    margin: 0px 5px;
  }

  & > img {
    height: 20px;
  }

  & a {
    text-decoration: none;
    color: black;
  }
  
  .current-page {
    color: white;
    background: black;

    box-sizing: border-box;
    height: 100%;
    padding: 5px 2px;
  }
}

/* || Main */
main {
  padding: 20px;
  height: 95%;
  min-height: var(--min-main-height);

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

  /* ||| Setting the background for around the app view */
  --w: 1px; /* thickness of the lines */
  --n: 100; /* number of lines */
  --light-color: #c6bcff;
  --dark-color: #8a7ffe;

  background: linear-gradient(
    90deg,
    var(--light-color) calc(100% - var(--w)),
    var(--dark-color) 0
  );
  background-size: calc(
      (100% - var(--n) * var(--w)) / (var(--n) + 1) + var(--w)
    )
    100%;

  /* ||| Application */
  #app {
    width: 90%;
    height: calc(100% - 40px);
    min-height: 380px;

    & > * {
      width: 100%;
      background: white;
      border: solid 3px black;
      box-sizing: border-box;
    }

    /* |||| Application Header */
    .app-heading {
      box-sizing: border-box;
      height: 35px;
      border-bottom-width: 0px;

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

      & > h1 {
        margin: 0px 5px;
        font-size: 1em;
        text-align: center;
      }

      .narrow-lines,
      .long-lines {
        height: 25px;

        --w: 2px; /* thickness of the lines */
        --n: 4; /* number of lines */
        --light-color: #fff;
        --dark-color: #000;

        background: linear-gradient(
          var(--light-color) calc(100% - var(--w)),
          var(--dark-color) 0
        );
        background-size: 100%
          calc((100% - var(--n) * var(--w)) / (var(--n) + 1) + var(--w));
      }
      .long-lines {
        width: 40%;
      }
      .narrow-lines {
        width: 2%;
      }

      & > div:last-of-type {
        background: #f8616e;
      }
      .heading-box {
        border: solid 2px black;
        height: 15px;
        width: 18px;
        margin: 0px 3px;

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

        & > a {
          font-weight: bold;
          color: black;
          text-decoration: none;
        }
      }
    }
  }

  /* |||| Application Content */
  .content {
    height: calc(100% - 25px);
    min-height: calc(var(--min-main-height) - 45px);
    overflow-y: auto;

    /* ||||| Scrollbar */
    &::-webkit-scrollbar {
      width: 30px;
    }
    &::-webkit-scrollbar-track {
      border-left: solid 3px black;

      --w: 1px; /* thickness of the lines */
      --n: 250; /* number of lines */
      --light-color: #fff;
      --dark-color: #000;

      background: linear-gradient(
        var(--light-color) calc(100% - var(--w)),
        var(--dark-color) 0
      );
      background-size: 100%
        calc((100% - var(--n) * var(--w)) / (var(--n) + 1) + var(--w));
    }
    &::-webkit-scrollbar-thumb {
      min-height: 100px;
      border: solid 3px black;
      border-right-width: 0px;
      background: #fff;
    }
    &::-webkit-scrollbar-button {
      box-sizing: border-box;
      height: 30px;
      border-style: solid;
      border-color: black;
      border-width: 0px 0px 3px 3px;
      background-image: url("../images/scrollbar-up-arrow.jpg.jpeg");
      background-size: cover;
      background-repeat: no-repeat;
    }
    &::-webkit-scrollbar-button:end:increment {
      background-image: url("../images/scrollbar-down-arrow.jpg.jpeg");
      background-position-x: -2px;
      border-width: 3px 0px 0px 3px;
    }
  }
}