/* TOKENS */

:root {
  color-scheme: light dark;
  --paper: #faf8f4;
  --ink: #1d1c1a;
  --muted: #6d675e;
  --rule: rgba(29, 28, 26, 0.12);
  --well: rgba(29, 28, 26, 0.045);
  --accent: #2c5a86;
  --serif: "Iowan Old Style", Charter, "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Noto Serif", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Noto Sans Mono", monospace;
  --measure: 37rem;
  --gutter: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #101216;
    --ink: #e8e5df;
    --muted: #9b958b;
    --rule: rgba(232, 229, 223, 0.13);
    --well: rgba(232, 229, 223, 0.06);
    --accent: #9fc4e8;
  }
}

/* BASE */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.68 var(--serif);
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background: color-mix(in srgb, var(--accent) 24%, transparent);
}

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

/* SKY */

.sky {
  position: relative;
  height: 100vh;
  height: 100lvh;
  background: #0b0d12;
}

.sky canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.sky::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 45%;
  background: linear-gradient(transparent, color-mix(in srgb, var(--paper) 55%, transparent) 55%, var(--paper));
  opacity: var(--melt, 0);
  pointer-events: none;
}

.sky.idle {
  cursor: none;
}

/* PAGE */

.readme {
  max-width: calc(var(--measure) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 3.5rem var(--gutter) 6rem;
}

.fog {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  height: calc(4.5rem + env(safe-area-inset-top));
  background: linear-gradient(var(--paper) calc(1rem + env(safe-area-inset-top)), transparent);
  opacity: 0;
  pointer-events: none;
}

/* TYPE */

h1 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.1rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

h2 {
  margin-top: 3.25rem;
  margin-bottom: 1rem;
  font: 600 0.75rem/1.2 var(--sans);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

p {
  margin-top: 0;
  margin-bottom: 1.05em;
  text-wrap: pretty;
}

h1 + p {
  font-size: 1.18em;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, currentColor 35%, transparent);
  text-underline-offset: 0.2em;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

ul {
  padding-left: 1.15rem;
}

li {
  margin-bottom: 0.35em;
  padding-left: 0.2rem;
}

li::marker {
  color: var(--muted);
}

pre {
  width: max-content;
  max-width: 100%;
  overflow-x: auto;
  padding: 1.1rem 1.3rem 1.1rem 1.65rem;
  background: var(--well);
  border-radius: 0.9rem;
  font: 500 1rem/1.3 var(--mono);
  letter-spacing: 0.4em;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.97em;
}

td {
  padding: 0.6rem 0;
  border-top: 1px solid var(--rule);
  vertical-align: top;
}

tr:last-child td {
  border-bottom: 1px solid var(--rule);
}

td:first-child {
  width: 34%;
  padding-right: 1rem;
  font: 500 0.82rem/1.9 var(--sans);
  letter-spacing: 0.04em;
  color: var(--muted);
}

td:first-child:has(a) {
  width: 6.5rem;
  font-family: var(--mono);
  letter-spacing: 0;
}

.readme > p:last-child {
  margin-top: 3.5rem;
  text-align: center;
  font-style: italic;
  color: var(--muted);
}

/* LOST */

.lost {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: grid;
  place-content: center;
  padding: 1rem;
  pointer-events: none;
  color: #fff;
  text-align: center;
}

.lost div {
  display: grid;
  justify-items: center;
  gap: 1.1rem;
  padding: 1.75rem 2.25rem 1.6rem;
  border-radius: 1.75rem;
  background: rgba(8, 10, 14, 0.24);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.lost p {
  margin: 0;
  font: italic 400 clamp(2rem, 1.4rem + 3vw, 3rem)/1.1 var(--serif);
  text-shadow: 0 1px 28px rgba(0, 0, 0, 0.45);
}

.lost a {
  pointer-events: auto;
  padding: 0.8rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  font: 600 0.75rem/1 var(--sans);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
}

.lost a:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

/* PRINT */

@media print {
  .sky,
  .fog {
    display: none;
  }

  .readme {
    padding-top: 0;
  }
}

/* WIDE */

@media (min-width: 48rem) {
  :root {
    --gutter: 2.5rem;
  }

  body {
    font-size: 1.125rem;
  }

  .readme {
    padding-top: 5rem;
    padding-bottom: 8rem;
  }
}

html.splashing, html.splashing body { overflow: hidden; }
#splash { position: fixed; inset: 0; z-index: 10; overflow: hidden; background: rgba(0, 0, 0, var(--veil, 1)); touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent; cursor: pointer; outline: none; }
#splash.fly { cursor: default; }
#splash.open { background: transparent; pointer-events: none; }
#splash.open .glow, #splash.open .hint { visibility: hidden; }
#splash .glow { position: absolute; background: conic-gradient(from var(--a, 90deg), var(--stops)); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; opacity: 0; will-change: transform, opacity; }
#splash .dust, #splash .ink { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
#splash .hint { position: absolute; left: 0; right: 0; bottom: calc(max(22px, env(safe-area-inset-bottom)) + 4.5vh); margin: 0; text-align: center; font: italic 400 14px/1 "Iowan Old Style", Charter, "Palatino Linotype", Palatino, Georgia, serif; letter-spacing: .07em; text-indent: .07em; color: rgba(255, 255, 255, .62); opacity: 0; pointer-events: none; will-change: opacity, transform; }
@media (prefers-color-scheme: light) { #splash { background: rgba(255, 255, 255, var(--veil, 1)); } #splash .hint { color: rgba(0, 0, 0, .56); } }