:root {
  color-scheme: light;
  font-family: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 100%;
  line-height: 1.5;
  background: #f7f5f2;
  color: #1c1917;
}

body {
  margin: 0;
  padding: 1.5rem 1.25rem 3rem;
}

main {
  max-width: 72rem;
  margin: 0 auto;
}

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

h2,
figcaption {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 0.5rem;
}

.intro,
#status {
  max-width: 65ch;
  font-size: 1.125rem;
  margin: 0 0 1rem;
}

.sources {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0 0 1.25rem;
  font-size: 1rem;
}

a {
  color: #1e3a8a;
}

figure a,
td a {
  color: inherit;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: end;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 1rem;
}

input,
select,
button {
  font: inherit;
  font-size: 1rem;
  min-height: 2.75rem;
}

button,
select {
  padding: 0.4rem 0.75rem;
}

button {
  cursor: pointer;
}

.swatches {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  max-width: 65ch;
  margin: 0.75rem 0 0;
}

.swatches span {
  display: block;
  width: 0.75rem;
  height: 1.5rem;
  flex: 0 0 auto;
}

.results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.results[hidden] {
  display: none;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
  border: 1px solid #d6d3d1;
}

figure.fastest canvas {
  border-color: #1c1917;
  box-shadow: 0 0 0 3px #1c1917;
}

tr.fastest td {
  font-weight: 600;
}

table {
  border-collapse: collapse;
  width: 100%;
  max-width: 40rem;
  margin: 0.5rem 0 1rem;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

th,
td {
  text-align: left;
  padding: 0.35rem 0.75rem 0.35rem 0;
  border-bottom: 1px solid #d6d3d1;
}

td.num,
th.num {
  text-align: right;
}