/* Nocturne, vendored for the registry: one stylesheet, no build step.
   Tokens first, then the component layer, then the two pages. */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
  /* Palette borrowed from ffmpeg.org: its olive green on a light grey ground. */
  --color-bg: #f7f7f2;
  --color-surface: #fdfdf8;
  --color-text: #23261c;
  --color-accent: #5f7d00;
  --color-divider: color-mix(in srgb, #23261c 18%, transparent);

  --color-neutral-100: #3d4132;
  --color-neutral-800: #e6e8dc;
  --color-neutral-900: #292b31;

  --color-accent-200: #455c07;
  --color-accent-300: #4e6a0d;
  --color-accent-400: #465e00;

  --font-heading: "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --space-1: 2.8px;
  --space-2: 5.6px;
  --space-3: 8.4px;
  --space-4: 11.2px;
  --space-6: 16.8px;
  --space-8: 22.4px;

  --radius-sm: 4px;
  --radius-md: 8px;

  --shadow-sm: 0 0 0 1px #dcdfd0;
  --shadow-md: 0 0 0 1px #cfd3c2, 0 6px 18px rgba(60, 66, 45, 0.14);

  --muted: color-mix(in srgb, var(--color-text) 72%, transparent);
  --body-on-ground: color-mix(in srgb, var(--color-text) 85%, transparent);
  --kind-optional: color-mix(in srgb, var(--color-text) 70%, transparent);
  --accent-small-text: var(--color-accent-300);

  --mark-green: #008700;
  --mark-body: var(--color-surface);
}

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

body {
  margin: 0;
  background: var(--color-bg);
  background-image: radial-gradient(120% 55% at 12% -12%, #ebefdc 0%, var(--color-bg) 62%);
  background-repeat: no-repeat;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-2);
}
h1 { font-size: 30px; }
h2 { font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); }
p { margin: 0 0 var(--space-3); }
code, .mono { font-family: var(--font-mono); }
a { color: var(--color-accent); text-underline-offset: 3px; }
a:hover { color: var(--color-accent-400); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }
.muted { color: var(--muted); }

/* Rules fade out at their ends — a Nocturne signature. */
.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(to right,
    transparent, var(--color-divider) 48px,
    var(--color-divider) calc(100% - 48px), transparent);
}

/* — chrome — */
.site {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-8);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
  margin-right: auto;
}
.brand .mark { height: 27px; width: auto; display: block; }
.brand em { font-style: normal; color: var(--accent-small-text); }
.brand:hover em { color: var(--color-accent-400); }

.mark-lg {
  height: 92px;
  width: auto;
  display: block;
  margin-bottom: var(--space-6);
}
.site .json { font-size: 12.5px; color: var(--muted); text-decoration: none; }
.site .json:hover { color: var(--color-accent-400); }

.page { max-width: 1000px; margin: 0 auto; padding: var(--space-8) var(--space-8) 72px; }
.lede { font-size: 14px; color: var(--body-on-ground); max-width: 62ch; margin: var(--space-3) 0 0; }
.lede code { color: var(--color-accent-300); }

footer {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-8) var(--space-8);
  font-size: 12.5px;
  color: var(--muted);
}

/* — controls — */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 13px;
  line-height: 1.2;
  color: var(--color-text);
  background: transparent;
  border: 1px solid transparent;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
}
.btn-primary { color: var(--color-accent); border-color: var(--color-accent); }
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.btn-primary:active { background: color-mix(in srgb, var(--color-accent) 22%, transparent); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn.is-copied { color: var(--color-accent-300); border-color: color-mix(in srgb, var(--color-accent) 45%, transparent); }
.btn-mono { font-family: var(--font-mono); font-weight: 400; font-size: 11.5px; }

.input {
  width: 100%;
  min-height: 34px;
  padding: 6px 10px;
  font: inherit;
  font-size: 13.5px;
  color: var(--color-text);
  caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
.input::placeholder { color: color-mix(in srgb, var(--color-text) 40%, transparent); }
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }

.seg {
  display: inline-flex;
  overflow: hidden;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
.seg-opt {
  font: inherit;
  font-size: 12.5px;
  color: var(--color-text);
  background: transparent;
  border: 0;
  padding: 6px 11px;
  cursor: pointer;
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt[aria-pressed="true"] {
  color: var(--color-accent);
  box-shadow: inset 0 0 0 1px var(--color-accent);
  background: transparent;
}
.seg-opt:focus-visible { outline-offset: -2px; }

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
}
.tag-neutral { background: var(--color-neutral-800); color: var(--color-neutral-100); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--accent-small-text); }

.chips { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-2); }
.chip {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  color: var(--color-accent-300);
}

/* — tables — */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2);
}
td { padding: var(--space-2); vertical-align: top; }
thead tr {
  background: linear-gradient(to right,
    transparent, var(--color-divider) 48px,
    var(--color-divider) calc(100% - 48px), transparent) no-repeat bottom / 100% 1px;
}
tbody tr {
  background: linear-gradient(to right,
    transparent, color-mix(in srgb, var(--color-text) 8%, transparent) 48px,
    color-mix(in srgb, var(--color-text) 8%, transparent) calc(100% - 48px), transparent)
    no-repeat bottom / 100% 1px;
}
td.num { text-align: right; font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }
td.mono { font-family: var(--font-mono); }

/* ── the index ───────────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin: var(--space-8) 0 var(--space-3);
}
.toolbar .input { max-width: 320px; }
.toolbar .count { font-size: 11.5px; color: var(--muted); margin-left: auto; flex: none; white-space: nowrap; }

.packages { list-style: none; margin: 0; padding: 0; }
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-3) var(--space-6);
  align-items: start;
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-md);
  background: linear-gradient(to right,
    transparent, color-mix(in srgb, var(--color-text) 8%, transparent) 48px,
    color-mix(in srgb, var(--color-text) 8%, transparent) calc(100% - 48px), transparent)
    no-repeat bottom / 100% 1px;
}
.row:hover { background-color: color-mix(in srgb, var(--color-text) 4%, transparent); }
.row-main { display: grid; gap: var(--space-2); min-width: 0; text-decoration: none; color: inherit; }
.row-head { display: flex; align-items: baseline; gap: var(--space-3); flex-wrap: wrap; }
.pname { font-family: var(--font-mono); font-size: 15px; color: var(--color-text); }
.row:hover .pname, .row-main:focus-visible .pname { color: var(--color-accent-400); }
.row-head .count { font-size: 11.5px; color: var(--muted); white-space: nowrap; }
.row-desc { font-size: 13.5px; color: var(--body-on-ground); }
.row .btn { white-space: nowrap; }
.empty { padding: 48px var(--space-4); font-size: 13.5px; color: var(--muted); }

/* ── a package ───────────────────────────────────────────────────── */
.back { display: inline-block; color: var(--accent-small-text); font-size: 12.5px; text-decoration: none; margin-bottom: var(--space-6); }
.pkg {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}
.pkg > aside { position: sticky; top: var(--space-8); display: grid; gap: var(--space-6); }
.pkg h1 { font-family: var(--font-mono); font-size: 21px; overflow-wrap: anywhere; margin-bottom: var(--space-3); }
.pkg-about { font-size: 13px; color: var(--body-on-ground); margin: 0; }

.install {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}
.install span { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.install code { font-size: 12.5px; color: var(--color-accent-200); overflow-wrap: anywhere; }
.install .btn { margin-top: var(--space-1); }

.meta { display: grid; grid-template-columns: auto 1fr; gap: var(--space-2) var(--space-4); margin: 0; font-size: 12.5px; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; font-family: var(--font-mono); }

.jump { display: grid; gap: 2px; }
.jump span { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: var(--space-1); }
.jump a {
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: none;
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  color: var(--body-on-ground);
}
.jump a:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); color: var(--color-accent-300); }

.section-note { font-size: 12.5px; color: var(--muted); margin: 0 0 var(--space-6); }
/* 2.5x the base step: programs read as separate things, not a list. */
.programs { display: grid; gap: 56px; margin: 0 0 44px; }
.program { display: grid; gap: var(--space-4); scroll-margin-top: var(--space-8); }
.program-head { display: flex; align-items: baseline; gap: var(--space-4); flex-wrap: wrap; }
.program-head .name { font-family: var(--font-mono); font-size: 15px; color: var(--color-accent-300); }
.program-head .file { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin-right: auto; }
.program-about { font-size: 12.5px; color: var(--body-on-ground); margin: 0; }
.usage { display: flex; align-items: center; gap: var(--space-3); }
.example {
  display: block;
  font-size: 12px;
  line-height: 1.65;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
  overflow-x: auto;
  white-space: pre;
}
.usage .example { flex: 1; min-width: 0; margin: 0; }
.source summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-small-text);
}
.source summary:hover { color: var(--color-accent-400); }
.source pre {
  margin: var(--space-2) 0 0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
}
.vars { display: grid; grid-template-columns: auto auto minmax(0, 1fr); gap: var(--space-1) var(--space-6); font-size: 12.5px; align-items: baseline; }
.vars .name { font-family: var(--font-mono); }
.vars .kind { font-size: 10.5px; letter-spacing: 0.04em; text-transform: uppercase; }
.vars .required { color: var(--color-accent-300); }
.vars .optional { color: var(--kind-optional); }
.vars .about { color: var(--muted); }
.digest { display: inline-flex; align-items: center; gap: var(--space-3); }
.digest a { font-family: var(--font-mono); font-size: 12.5px; }

@media (max-width: 820px) {
  .pkg { grid-template-columns: 1fr; gap: var(--space-8); }
  .pkg > aside { position: static; }
  .row { grid-template-columns: 1fr; }
  .site, .page, footer { padding-inline: var(--space-6); }
}