* {
  box-sizing: border-box;
  margin: 0.2 auto;
  padding: 0;

  --body-background: seashell;

  --header-text-colour: #000;
  --header-font: "Comfortaa", Verdana, Arial, monospace;

  --nav-link-colour: purple;
  --nav-background-colour: #fff;
  --nav-font: "Raleway", "Verdana", "Arial", sans-serif;

  /* --aside-background-colour: rgba(30, 0, 255, 0.75); */
  --aside-background-colour: rgba(0, 56, 168, 1);
  --aside-font-colour: #fff;
  /* --aside-font: "Nova Slim", "Nothing You Could Do", "Gruppo", "Unbounded",
    "Dosis", "Courier New", Courier, monospace; */
  --aside-font: "Raleway", "Verdana", "Courier New", sans-serif;

  --main-text-colour: #000;
  --main-font: "Raleway", "Verdana", "Arial", sans-serif;

  --highlight-colour: rgb(128, 0, 128, 0.8);
  --highlight-text: #fff;

  --footer-colour: rgb(128, 0, 128, 0.8);
  --footer-text-colour: #fff;
  --footer-font: "Raleway", "Verdana", "Arial", sans-serif;

  --link-radius-A: 1.5rem;
  --link-radius-B: 2.5rem;
  --radius-display: 10rem;
}

body {
  font-family: var(--main-font);
  background-color: var(--body-background);
  font-size: 18px;
  /* font-size: clamp(18px, 16px, 0.1vmin); */
  /* font-size: clamp(1rem, -0.875rem + 8.333vw, 3rem); */
}

hr {
  width: 100%;
  height: 0.1rem;
  background-color: purple;
  border: 0 none;
}

header {
  display: grid;
  grid-area: header;
  background: linear-gradient(
    to right,
    rgba(220, 34, 130, 0.75),
    rgba(30, 0, 255, 0.75)
  );
  padding: 0.5rem;
  text-align: center;
}

/* Default to not displaying so it can be shown only if used */
.bookmarks {
  display: none;
}

#sitename {
  opacity: 1;
  color: var(--header-text-colour);
  font-family: var(--header-font);
  font-size: 2.5rem;
  /* line-height: 3rem; */
  letter-spacing: 0.8rem;
  text-align: center;
}

#sitename a {
  text-decoration: none;
  color: var(--header-text-colour);
}

nav {
  display: grid;
  grid-area: nav;
  font-family: var(--nav-font);
  /* background-color: rgba(200, 20, 200, 0.25); */
  padding: 0.1rem;
  margin-bottom: 0.5rem;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  /* flex-direction: row; */
  justify-content: space-around;
}

nav li {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: space-around;
  padding: 0.5rem 0.25rem;
}

nav li a {
  background-color: #fff;
  color: var(--nav-link-colour);
  align-self: center;
  text-decoration: none;
  cursor: pointer;
  font-family: var(--nav-link-font);
  border: 0.1rem solid var(--nav-link-colour);
  border-bottom-left-radius: var(--link-radius-A) var(--link-radius-B);
  border-bottom-right-radius: var(--link-radius-B) var(--link-radius-A);
  border-top-left-radius: var(--link-radius-B) var(--link-radius-A);
  border-top-right-radius: var(--link-radius-A) var(--link-radius-B);
  padding: 0.5rem;
}

nav li a:visited {
  color: darkorchid;
}

nav li a:hover {
  text-decoration: underline;
  font-weight: 500;
  background-color: var(--highlight-colour);
  color: var(--highlight-text);
}

aside {
  display: grid;
  grid-area: aside;
  position: relative;
  line-height: 1.5rem;

  font-family: var(--aside-font);
  background-color: var(--aside-background-colour);
  color: var(--aside-font-colour);
  padding: 1rem;
  border-top-left-radius: 3rem;
  border-bottom-right-radius: 3rem;
}

aside a {
  color: #fff;
}

main {
  display: grid;
  grid-area: main;
}

footer {
  /* display: grid; */
  /* grid-area: footer; */
  position: fixed;
  z-index: 1;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: var(--footer-colour);
  font-family: var(--footer-font);
  color: var(--footer-text-colour);
  text-align: center;
  padding: 0.5rem;
  padding-top: 1rem;
}

/* Mobile-first design */
@media only screen and (max-width: 1000px) {
  #outer_container {
    display: grid;
    grid-template-columns: auto;
    grid-template-areas:
      "header"
      "nav"
      "aside"
      "bookmarks"
      "main";
    /* "footer"; */
  }

  header {
    border-top-left-radius: 2rem;
    /* border-top-right-radius: 2rem; */
  }

  #sitename {
    margin: 0;
  }

  nav {
    font-size: 1.2rem;
    border-end-end-radius: 2rem;
    /* border-end-start-radius: 2rem; */
    background: linear-gradient(
      to right,
      rgba(220, 34, 130, 0.75),
      rgba(30, 0, 255, 0.75)
    );
  }

  nav ul {
    flex-direction: row;
    margin: 0;
  }

  nav ul li {
    /* border: 1px solid blue; */
    padding: 0.2rem;
  }
}

/* Larger screens / landscape */
@media only screen and (min-width: 1000px) {
  #outer_container {
    display: grid;
    grid-template-columns: max-content auto;
    grid-template-areas:
      "header header"
      "nav aside"
      "nav bookmarks"
      "nav main";
    /* "footer footer"; */
  }

  body {
    font-size: 1.25rem;
    margin-top: 0;
    margin-left: 5%;
    margin-right: 5%;
  }

  main,
  aside {
    margin-left: 1rem;
    margin-top: 1rem;
  }

  header {
    border-end-end-radius: var(--radius-display);
    border-end-start-radius: var(--radius-display);
  }

  nav {
    font-size: 1.4rem;
    margin-top: 0.5rem;
    border-start-end-radius: var(--radius-display);
    border-start-start-radius: var(--radius-display);
    border-end-end-radius: var(--radius-display);
    border-end-start-radius: var(--radius-display);
  }

  nav ul {
    flex-direction: column;
    /* background-color: var(--body-background); */
    background-color: transparent;
    justify-content: flex-start;
  }

  nav li a {
    background-color: var(--nav-background-colour);
    padding: 1rem;
  }
}

/* Even larger screens / landscape */
@media only screen and (min-width: 1400px) {
  body {
    margin-left: 10%;
    margin-right: 10%;
  }
}

/* Largest screens / landscape */
@media only screen and (min-width: 1600px) {
  body {
    margin-left: 15%;
    margin-right: 15%;
  }
}