/* Colours lifted from the tmux status line, so the site and the setup match.
   No animations, no transitions - the page just shows up.

   Dark is the default. Light applies when the system asks for it, and
   data-theme on <html> overrides both - that attribute is what the switcher
   in the header sets. The light palette is written twice on purpose: plain
   CSS has no way to share one block between a media query and an attribute
   selector. Keep the two copies in step. */
:root {
  --bg: #1c1c1c;
  --fg: #d0d0d0;
  --muted: #9e9e9e;
  --accent: #5fafd7;
  --border: #3a3a3a;
  --panel: #222222;
  --on-accent: #1c1c1c;   /* text sitting on an accent-filled surface */
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #fbfbfb;
    --fg: #24292f;
    --muted: #57606a;
    --accent: #0969da;
    --border: #d8dee4;
    --panel: #f2f2f2;
    --on-accent: #ffffff;
  }
}

:root[data-theme="light"] {
  --bg: #fbfbfb;
  --fg: #24292f;
  --muted: #57606a;
  --accent: #0969da;
  --border: #d8dee4;
  --panel: #f2f2f2;
  --on-accent: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  max-width: 46rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

header { position: relative; }

.theme-toggle {
  position: absolute;
  top: 0;
  right: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
}

.theme-toggle svg { display: block; }

/* The rule above outranks the UA stylesheet's [hidden] { display: none },
   so the hidden icon needs saying explicitly or both would show. */
.theme-toggle svg[hidden] { display: none; }

.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

h1 { margin: 0; font-size: 2rem; color: var(--accent); padding-right: 3rem; }
h2 { margin: 2rem 0 .75rem; font-size: 1.2rem; color: var(--accent); }
h3 { margin: 1.5rem 0 .5rem; font-size: 1rem; color: var(--fg); }

.tagline { margin: .25rem 0 1rem; color: var(--muted); }

.disclaimer {
  margin: 0 0 1.5rem;
  padding: .75rem 1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
  font-size: .925rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

nav button,
nav .navlink {
  padding: .45rem .8rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--panel);
  color: var(--fg);
  font: inherit;
  font-size: .9rem;
  line-height: 1.35;
  text-decoration: none;
  cursor: pointer;
}

nav button:hover,
nav .navlink:hover { border-color: var(--accent); color: var(--accent); }

/* The tab you are on. Same padding and radius as the rest - only the fill
   changes, so the row keeps its shape. */
nav button.active,
nav .navlink.active,
nav button.active:hover,
nav .navlink.active:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

main { min-height: 20rem; }

p, li { color: var(--fg); }
a { color: var(--accent); }

code {
  padding: .1rem .3rem;
  border-radius: 3px;
  background: var(--panel);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .9em;
}

pre {
  overflow-x: auto;                 /* long commands scroll, page never does */
  padding: .9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--panel);
}

pre code { padding: 0; background: none; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: .5rem 0 1rem;
  font-size: .925rem;
}

th, td {
  padding: .4rem .6rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th { color: var(--muted); font-weight: 600; }

/* The key column: the same width in every table so they line up down the
   page, and a key never breaks inside itself ("prefix + g" used to wrap after
   the +). Two keys in one cell can still wrap between them, at the "/". */
th:first-child, td:first-child { width: 36%; }
td:first-child code { white-space: nowrap; }

.table-wrap { overflow-x: auto; }     /* wide key tables scroll on phones */

.note { color: var(--muted); font-size: .925rem; }

footer {
  display: flex;
  gap: 1.25rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: .9rem;
}