:root {
  --color-gray: hsl(0, 0%, 85%);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

main {
  padding: 0 1rem 1rem;
}

svg {
  touch-action: none;
}

svg text, svg foreignObject {
  font-family: var(--font-heading);
}

form {
  margin-bottom: 1rem;
}

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

  th {
    text-align: left;
  }

  td {
    border: 1px solid var(--color-gray);
    padding: 0.15rem 0.5rem;
  }
}

input[type=number] {
  width: 4rem;
}

input.input--dim {
  opacity: 0.5;

  &:focus {
    opacity: 1;
  }
}

.btn-present {
  background: transparent;
  margin-left: 0.5rem;

  &.btn-present--active {
    background: hsl(from var(--accent-primary) h s calc(l + 60));
    margin-left: 0;
    margin-right: 0.5rem;
  }
}

.swatch {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
}

#controls {
  margin-bottom: 1rem;
}

#options {
  margin-bottom: 1rem;
}

#add-span {
  margin-top: 0.5rem;
}