:root {
  color-scheme: dark;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  color: #ece9e1;
  background: #11151c;
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: clamp(2rem, 7vw, 5rem) 1.5rem;
}

.wordmark {
  margin: 0 0 2.5rem;
  color: #d7bc83;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.06em;
}

.subtitle,
.hint,
footer,
.movements li span:last-child {
  color: #a7afb9;
}

section {
  margin: 2rem 0;
}

#progress {
  --progress-color: #d7bc83;
  appearance: none;
  display: block;
  width: 100%;
  height: 0.4rem;
  border: 0;
  border-radius: 1rem;
  overflow: hidden;
  background: #2a3039;
  pointer-events: none;
}

#progress::-webkit-progress-bar {
  background: #2a3039;
}

#progress::-webkit-progress-value {
  background: var(--progress-color);
}

#progress::-moz-progress-bar {
  background: var(--progress-color);
}

.hint,
footer {
  font-size: 0.8rem;
}

.movements {
  margin: 2rem 0;
  padding-left: 2rem;
  list-style-type: upper-roman;
}

.movements li {
  padding: 0.65rem 0.75rem;
  border-left: 2px solid transparent;
  border-bottom: 1px solid #2a3039;
}

.movements [data-planet="mars"] { --planet-color: #df7954; }
.movements [data-planet="venus"] { --planet-color: #e9c987; }
.movements [data-planet="mercury"] { --planet-color: #c9c6bd; }
.movements [data-planet="jupiter"] { --planet-color: #d79b72; }
.movements [data-planet="saturn"] { --planet-color: #ead5a9; }
.movements [data-planet="uranus"] { --planet-color: #a7dce0; }
.movements [data-planet="neptune"] { --planet-color: #89b0f2; }

.movements li[aria-current="true"] {
  color: var(--planet-color);
  border-left-color: var(--planet-color);
  background: color-mix(in srgb, var(--planet-color) 8%, transparent);
}

.movements li[aria-current="true"] span:first-child {
  font-weight: 700;
}

.movements li span:last-child {
  display: block;
  font-size: 0.85rem;
}

.movements li[aria-current="true"] span:last-child {
  color: inherit;
}

footer {
  margin-top: 2.5rem;
}

a {
  color: #d7bc83;
  text-underline-offset: 0.2em;
}

a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}