:root {
  color-scheme: light dark;
  --bg-color-light: #f0f0e8;
  --bg-color-dark: #1c2135;
  --border-color-light: #1c2135;
  --border-color-dark: #f0f0e8;
  --sun-color: #fabc1c;
  --moon-color: #fffdf2;
  --day-bg-color: #0dbdf6;
  --night-bg-color: #272a30;
  --cloud-color: #fffdf2;
  --star-color: #fffdf2;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color-light);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding-bottom: 72px;
  transition: background-color 0.8s ease;
}

.demo {
  display: grid;
  justify-items: center;
  gap: 20px;
  padding: 32px;
  color: var(--border-color-light);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  text-align: center;
}

.intro {
  display: grid;
  gap: 12px;
  max-width: 520px;
  margin-bottom: 8px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  font-size: 0.8rem;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.color-heading {
  margin-top: 16px;
}

.intro p {
  color: currentColor;
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  line-height: 1.55;
  opacity: 0.78;
}

.license-note {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1;
  opacity: 0.72;
}

.copy-llm-button {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  margin: 0;
  padding: 8px 12px;
  border: 0;
  border-radius: 999px;
  color: var(--bg-color-light);
  background: var(--border-color-light);
  cursor: pointer;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  transition:
    background-color 0.8s ease,
    color 0.8s ease,
    transform 160ms ease;
}

.copy-llm-button::before {
  content: "";
  position: absolute;
  inset: -8px;
}

.copy-llm-button:hover {
  transform: translateY(-2px);
}

.copy-llm-button:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

.switcher-stack {
  display: grid;
  justify-items: center;
  gap: 24px;
}

.controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(76px, 1fr));
  gap: 24px;
  width: min(100vw - 48px, 380px);
  margin: 0;
  padding: 0;
  font-size: 12px;
}

.controls fieldset {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  justify-items: center;
  gap: 12px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  position: relative;
}

.controls fieldset + fieldset::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: -12px;
  width: 1px;
  background: currentColor;
  opacity: 0.22;
}

.controls legend {
  grid-column: 1 / -1;
  width: 100%;
  margin: 0 0 8px;
  padding: 0;
  color: currentColor;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
}

.controls label {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.controls span {
  line-height: 1;
}

.controls input {
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.controls input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.controls input::-webkit-color-swatch {
  border: 0;
  border-radius: 50%;
}

.controls input::-moz-color-swatch {
  border: 0;
  border-radius: 50%;
}

body.has-night .demo,
body.has-night .controls {
  color: var(--border-color-dark);
}

body.has-night .copy-llm-button {
  color: var(--bg-color-dark);
  background: var(--border-color-dark);
}

.github-link {
  position: fixed;
  bottom: 24px;
  left: 50%;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--border-color-light);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transform: translateX(-50%);
  transition:
    color 0.8s ease,
    transform 160ms ease;
}

.github-link::before {
  content: "";
  position: absolute;
  inset: -8px;
}

.github-link:hover {
  transform: translateX(-50%) translateY(-2px);
}

.github-link:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
  border-radius: 50%;
}

.github-link svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

body.has-night .github-link {
  color: var(--border-color-dark);
}

@media (max-width: 460px) {
  .controls {
    grid-template-columns: 1fr;
    width: min(100vw - 48px, 220px);
  }

  .controls fieldset + fieldset::before {
    display: none;
  }
}

.theme-switcher-grid {
  --unit: 1px;

  display: grid;
  grid-template-columns: repeat(54, var(--unit));
  grid-template-rows: repeat(24, var(--unit));
  gap: 0;
  position: relative;
  padding: 0;
  border: 1px solid var(--border-color-light);
  border-radius: calc(49 * var(--unit));
  background-color: var(--day-bg-color);
  cursor: pointer;
  appearance: none;
  transition:
    background-color 0.8s ease,
    border-color 0.8s ease;
}

.theme-switcher-grid::before {
  content: "";
  position: absolute;
  inset: -8px;
}

.theme-switcher-grid--small {
  --unit: 1px;
}

.theme-switcher-grid--compact {
  --unit: 1.3px;
}

.theme-switcher-grid--medium {
  --unit: 1.6px;
}

.theme-switcher-grid.night-theme {
  background-color: var(--night-bg-color);
  border-color: var(--border-color-dark);
}

.theme-switcher-grid:focus-visible {
  outline: calc(3 * var(--unit)) solid rgba(28, 33, 53, 0.72);
  outline-offset: calc(4 * var(--unit));
}

.theme-switcher-grid.night-theme:focus-visible {
  outline-color: rgba(240, 240, 232, 0.82);
}

.orb {
  position: absolute;
  top: calc(2 * var(--unit));
  left: calc(2 * var(--unit));
  z-index: 1;
  width: calc(20 * var(--unit));
  height: calc(20 * var(--unit));
  transform: translateX(0) rotate(0deg);
  transform-origin: 50% 50%;
  transition:
    transform 0.9s cubic-bezier(0.45, 0, 0.2, 1);
}

.orb-disc {
  fill: var(--sun-color);
  transition: fill 0.9s ease;
}

.orb-cutout {
  transform-box: fill-box;
  transform-origin: center;
  transform: translateX(-22px);
  transition: transform 0.9s cubic-bezier(0.45, 0, 0.2, 1);
}

.theme-switcher-grid.night-theme .orb {
  transform: translateX(calc(30 * var(--unit))) rotate(360deg);
}

.theme-switcher-grid.night-theme .orb-disc {
  fill: var(--moon-color);
}

.theme-switcher-grid.night-theme .orb-cutout {
  transform: translateX(0);
}

.cloud-ball {
  position: absolute;
  z-index: 2;
  width: calc(9 * var(--unit));
  height: calc(9 * var(--unit));
  border-radius: 50%;
  background-color: var(--cloud-color);
  transition: all 0.8s ease;
}

.cloud-ball-left {
  top: calc(8 * var(--unit));
  left: calc(12 * var(--unit));
}

.cloud-ball-middle {
  top: calc(8 * var(--unit));
  left: calc(17 * var(--unit));
}

.cloud-ball-right {
  top: calc(8 * var(--unit));
  left: calc(22 * var(--unit));
}

.cloud-ball-top {
  top: calc(6 * var(--unit));
  left: calc(17 * var(--unit));
}

.theme-switcher-grid.night-theme .cloud-ball {
  width: calc(2 * var(--unit));
  height: calc(2 * var(--unit));
}

.theme-switcher-grid.night-theme .cloud-ball-left {
  top: calc(16 * var(--unit));
  left: calc(16 * var(--unit));
}

.theme-switcher-grid.night-theme .cloud-ball-middle {
  top: calc(3 * var(--unit));
  left: calc(22 * var(--unit));
}

.theme-switcher-grid.night-theme .cloud-ball-right {
  top: calc(10 * var(--unit));
  left: calc(29 * var(--unit));
}

.theme-switcher-grid.night-theme .cloud-ball-top {
  top: calc(5 * var(--unit));
  left: calc(34 * var(--unit));
}

.star {
  position: absolute;
  width: var(--unit);
  height: var(--unit);
  border-radius: 50%;
  background-color: var(--star-color);
  opacity: 0;
  transition: opacity 0.8s ease;
}

.star-1 {
  top: calc(7 * var(--unit));
  left: calc(10 * var(--unit));
}

.star-2 {
  top: calc(9 * var(--unit));
  left: calc(16 * var(--unit));
}

.star-3 {
  top: calc(13 * var(--unit));
  left: calc(23 * var(--unit));
}

.star-4 {
  top: calc(18 * var(--unit));
  left: calc(29 * var(--unit));
}

.theme-switcher-grid.night-theme .star {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}