html {
  --c-input-bg: #fff;
  --c-bg: #f9f9f9;
  --c-bg-alt: #1a1a1a;
  --c-text: #212121;
  --c-cta: #1565c0;
  --c-metadata: #5f5f5f;
  --c-input-fg: #212121;
  --c-text-dark-bg: #999999;
  --c-input-border: #e0e0e0;
  --c-text-dark: #999999;
  --c-heading-article: #000;
  --c-heading-bg: #eeeeee;
  --c-code-bg: #f5f5f5;
  --c-code-fg: #000;
  --c-bg-cta: #fff;
}
@media (prefers-color-scheme: dark) {
  html {
    --c-code-bg: #2d2d2d;
    --c-code-fg: #ddd;
    --c-cta: #03a9f4;
    --c-bg: #262626;
    --c-bg-alt: #222;
    --c-bg-cta: #222;
    --c-text: #d6d6d6;
    --c-text-dark: #8b8b8b;
    --c-text-dark-bg: #dfdfdf;
    --c-input-bg: #3b3a3a;
    --c-input-fg: #fff;
    --c-heading-article: #fff;
    --c-heading-bg: #111;
    --c-input-border: #000;
  }
}

body {
  height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 20px;
}

main {
  flex: 1;
}

*,
input {
  box-sizing: border-box;
  font-family: monospace;
  font-size: 1.2rem;
}

input {
  font-weight: bold;
  text-align: right;
  outline: none;
  min-width: 100px;
  border: 1px solid transparent;
  width: 30vw;
}

input[readonly] {
  border-color: transparent;
}

li > * {
  padding: 3px;
}

li {
  color: var(--c-text-dark);
}

ul {
  list-style: none;
  padding: 0;
}

span.result:before {
  content: ': ';
}

span.result > .decimal {
  color: var(--c-text);
  padding-left: 10px;
}

button {
  border-radius: 5px;
  padding: 2px 10px;
  height: 28px;
  cursor: pointer;
}

html {
  background: var(--c-bg);
  color: var(--c-text);
}

input,
select,
button {
  background: var(--c-input-bg);
  color: var(--c-input-fg);
  padding: 4px;
  border-radius: 2px;
}

select,
button {
  border: 1px solid var(--c-input-border);
  background: rgba(1, 1, 1, 0.1);
}

input {
  border-radius: 0;
}

button {
  padding: 8px 16px;
  height: auto;
  /*! border: 0; */
}

li > * {
  color: var(--c-text-dark);
}

input:focus {
  color: var(--c-input-fg);
}

footer {
  padding-top: 20px;
}

footer * {
  font-size: 0.8rem;
}

footer p {
  margin: 16px 0;
}

footer p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--c-cta);
}

@media (max-width: 500px) {
  * {
    box-sizing: border-box;
  }

  .binary[data-size='32'] {
    width: 100%;
  }
  .binary[data-size='32'] i:nth-child(4n) {
    display: block;
  }

  #tape {
    margin: 0;
    padding: 0;
  }

  li {
    display: flex;
    flex-wrap: wrap;
  }

  #tape li:last-child {
    background: var(--c-input-bg);
    outline: 1px solid var(--c-input-border);
    margin-top: 12px;
  }

  #tape input[readonly] {
    background: var(--c-bg);
  }

  .input {
    width: 100%;
  }

  .result {
    width: 100%;
    text-align: right;
    padding: 8px 4px;
  }

  span.result:before {
    display: none;
  }

  #endian {
    width: 6ch;
  }

  .button-group {
    margin-top: 40px;
    display: flex;
    justify-content: space-around;
  }

  .decimal,
  .binary {
    white-space: nowrap;
    overflow: scroll;
    overflow: auto;
    flex-grow: 1;
  }

  .binary {
    flex-grow: 10;
  }

  .result {
    display: flex;
    flex-wrap: wrap;
    justify-content: end;
  }
}