:root {
  color-scheme: light dark;
  --bg: light-dark(#f7f7f5, #0b0b0c);
  --ink: light-dark(#111111, #ededeb);
  --muted: color-mix(in oklab, var(--ink) 52%, var(--bg));
  --line: color-mix(in oklab, var(--ink) 12%, var(--bg));
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  font-family: var(--sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  background: var(--bg);
  color: var(--ink);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 48px 24px;
}

::selection {
  background: var(--ink);
  color: var(--bg);
}

:focus-visible {
  outline: 1.5px solid var(--ink);
  outline-offset: 4px;
}

.page {
  width: min(36rem, 100%);
  display: grid;
  justify-items: start;
  gap: 40px;
}

.page > * {
  animation: rise 700ms var(--ease) both;
}
.page > :nth-child(2) { animation-delay: 60ms; }
.page > :nth-child(3) { animation-delay: 120ms; }
.page > :nth-child(4) { animation-delay: 180ms; }

.mark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  .mark { filter: invert(1); }
}

.title {
  margin: 0;
  display: grid;
  font-size: clamp(2rem, 3vw + 1rem, 2.75rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.quiet {
  color: var(--muted);
}

.counter {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  height: 44px;
  padding: 0 6px 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 15px;
  cursor: pointer;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.counter:hover {
  border-color: color-mix(in oklab, var(--ink) 35%, var(--bg));
}

.counter:active {
  transform: scale(0.98);
}

.counter output {
  min-width: 32px;
  height: 32px;
  padding: 0 10px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.foot {
  width: 100%;
  display: grid;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.hint {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  color: var(--muted);
}

.hint code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.links a {
  display: inline-flex;
  gap: 4px;
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.links a:hover {
  color: var(--ink);
}

.links a span {
  transition: transform 200ms var(--ease);
}

.links a:hover span {
  transform: translate(2px, -2px);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}