/* Direction and decisions: DESIGN.md. Card paper and suits in light, the felt of a card table in dark. */
:root {
  --paper: #FBF9F4;
  --ink: #17140F;
  --muted: #5E574C;
  --red: #B3121F;
  --code-bg: #EFEBE1;
  --line: #D9D3C5;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0F2A22;
    --ink: #F4F0E6;
    --muted: #A9B8AE;
    --red: #FF6B6B;
    --code-bg: #163A2F;
    --line: #2C5546;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper: #0F2A22;
  --ink: #F4F0E6;
  --muted: #A9B8AE;
  --red: #FF6B6B;
  --code-bg: #163A2F;
  --line: #2C5546;
  color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
  margin: 0 auto;
  max-width: 46rem;
  padding: 0 1rem 3rem;
  background: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.6 var(--sans);
}

a { color: var(--red); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

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

.skip {
  position: absolute;
  left: -100vw;
}
.skip:focus { left: 1rem; top: 1rem; background: var(--paper); padding: 0.5rem 0.75rem; }

/* Header: the logo and wordmark lead; the nav and the language and theme menus stay quiet. */
.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1rem;
  padding: 1.25rem 0 0.75rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  font: 700 1.6rem/1 var(--serif);
  margin-right: auto;
}

/* Two rows at every width: logo and menus first, the links on their own row below. */
nav { display: flex; flex-wrap: wrap; order: 3; width: 100%; margin-left: -0.55rem; }

.prefs { display: flex; gap: 0.4rem; order: 2; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.pref {
  min-height: 44px;
  padding: 0 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}
.pref:hover { border-color: var(--muted); }

nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.55rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}
nav a:hover, nav a[aria-current="page"] { color: var(--red); }


h1, h2, h3 { font-family: var(--serif); line-height: 1.2; }

h1 {
  font-size: clamp(2rem, 1.3rem + 3.2vw, 2.85rem);
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.01em;
}

h2 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: clamp(1.4rem, 1.2rem + 1vw, 1.7rem);
  margin: 0 0 1rem;
}

h3 { font-size: 1.1rem; margin: 0 0 0.3rem; }

.lead { font-size: 1.15rem; color: var(--ink); margin: 0 0 2rem; }

section { padding: 2.75rem 0; border-top: 1px solid var(--line); }
.intro { border-top: 0; padding-top: 0; }

/* The suits are the identity motif: one per section, in its own color, as in the logo. */
.suit { width: 1.15rem; height: 1.15rem; flex: none; }
.suit.ink { fill: var(--ink); }
.suit.red { fill: var(--red); }

.install {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1rem 0.25rem;
}

.label {
  font: 600 0.85rem/1.4 var(--sans);
  color: var(--muted);
  margin: 0 0 0.6rem;
}

.version { margin: -0.3rem 0 0.75rem; color: var(--muted); font-size: 0.95rem; }
.version strong { color: var(--ink); }

.or { margin: 0.5rem 0; color: var(--muted); font-size: 0.95rem; }
.note { color: var(--muted); font-size: 0.95rem; }

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.1em 0.3em;
  border-radius: 4px;
}

pre {
  margin: 0 0 1rem;
  padding: 0.9rem 1rem;
  background: var(--code-bg);
  border-radius: 6px;
  overflow-x: auto;
  line-height: 1.5;
}
pre code { padding: 0; background: none; font-size: 0.875rem; }
pre.output code { color: var(--muted); }

/* The copy button sits beside the code, so long lines scroll without running under it. */
.code {
  display: flex;
  align-items: flex-start;
  margin: 0 0 1rem;
  background: var(--code-bg);
  border-radius: 6px;
}
.code pre { flex: 1; min-width: 0; margin: 0; }

.copy {
  flex: none;
  margin: 0.35rem 0.35rem 0.35rem 0;
  min-width: 4.5rem;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  font: 0.85rem var(--sans);
  cursor: pointer;
}
.copy:hover { border-color: var(--muted); }
.copy[data-done] { color: var(--red); border-color: var(--red); }

/* All-commands table on the landing page: the command links to its reference entry. */
.commands { width: 100%; border-collapse: collapse; margin: 0 0 1rem; }
.commands td { padding: 0 0.75rem 0 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.commands td:first-child { white-space: nowrap; }
.commands a { display: inline-flex; align-items: center; min-height: 44px; }
.commands td:last-child { color: var(--muted); padding-top: 0.6rem; padding-bottom: 0.6rem; }

.columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem 2rem;
  margin: 1.5rem 0 1rem;
}
.columns p { margin: 0; color: var(--muted); }

@media (min-width: 40rem) {
  .columns { grid-template-columns: 1fr 1fr; }
}

/* Plugin guide rendered from docs/plugins.md. */
.doc h1 { font-size: clamp(1.9rem, 1.3rem + 2.6vw, 2.5rem); }
.doc h2 { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.doc h3 { margin-top: 1.75rem; }
.doc table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.95rem; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc li { margin: 0.3rem 0; }

footer {
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}
footer p { margin: 0.3rem 0; }

@media (max-width: 30rem) {
  .top { column-gap: 0.5rem; }
  nav { margin-left: -0.35rem; }
  nav a { padding: 0 0.35rem; font-size: 0.85rem; }
  .prefs { gap: 0.3rem; }
  .pref { padding: 0 0.2rem; font-size: 0.8rem; }
  nav a { padding: 0 0.45rem; }
  body { font-size: 1rem; }
  section { padding: 2rem 0; }
  h1 { margin-top: 1.75rem; }
  .brand { font-size: 1.2rem; gap: 0.4rem; }
  .brand img { width: 42px; height: 28px; }
}

/* At the narrowest widths the cards alone carry the brand, so the menus stay on the first row. */
@media (max-width: 22.5rem) {
  .brand span { display: none; }
}