:root {
  --paper: #f4f1ea;
  --ink: #161513;
  --mute: #6e6a62;
  --rule: #ddd8ce;
  --accent: #245c42;
  --focus: #245c42;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #161513;
    --ink: #efece4;
    --mute: #9a958b;
    --rule: #2e2b26;
    --accent: #8fbf9f;
    --focus: #8fbf9f;
  }
}

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

html {
  font-size: 112.5%;
  -webkit-text-size-adjust: 100%;
  color-scheme: light dark;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.011em;
}

main {
  flex: 1;
  width: min(38rem, calc(100% - 3rem));
  margin: 0 auto;
  padding: 18vh 0 4rem;
}

header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 2.75rem;
}

.mark {
  width: 1.35rem;
  height: 1.35rem;
  stroke: var(--accent);
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.name {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, Georgia, serif;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 3rem;
  font-size: 1.35rem;
  line-height: 1.4;
  letter-spacing: -0.02em;
}

.loop {
  list-style: none;
  margin: 0 0 3.25rem;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.loop li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem;
  margin: 0;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--rule);
  color: var(--mute);
  font-size: 0.92rem;
}

.loop span {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.install-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 0.7rem;
}

.install h2 {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}

pre {
  margin: 0 0 0.7rem;
  padding: 0.85rem 0.95rem;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  background: color-mix(in srgb, var(--ink) 5%, var(--paper));
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  line-height: 1.5;
}

pre code { font: inherit; }

button {
  -webkit-appearance: none;
  appearance: none;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
}

button:hover { border-bottom-color: var(--ink); }

.hint {
  margin: 0 0 3.25rem;
  color: var(--mute);
  font-size: 0.88rem;
}

.hint code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.84em;
  color: var(--ink);
  white-space: nowrap;
}

.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--mute);
  font-size: 0.88rem;
}

footer {
  width: min(38rem, calc(100% - 3rem));
  margin: 0 auto;
  padding: 0 0 2.5rem;
}

footer a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--rule);
}

footer a:hover,
.hint a:hover { border-bottom-color: var(--ink); }

.hint a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

::selection {
  background: color-mix(in srgb, var(--accent) 28%, var(--paper));
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

#pebbles-overlay {
  position: fixed;
  z-index: 2147483647;
  top: max(0.75rem, env(safe-area-inset-top));
  right: max(0.75rem, env(safe-area-inset-right));
  left: auto;
  width: 10rem;
  height: 3.5rem;
  overflow: hidden;
  background: transparent;
  visibility: hidden;
  pointer-events: none;
}

#pebbles-overlay.ready {
  visibility: visible;
  pointer-events: auto;
}

#pebbles-overlay.expanded {
  inset: 0;
  width: auto;
  height: auto;
  overflow: hidden;
}

@media (max-width: 40rem) {
  html { font-size: 100%; }
  main { padding-top: 12vh; }
  .lede { font-size: 1.2rem; }
  .loop li { grid-template-columns: 5.2rem 1fr; }
}