/* toy -- handwritten, no build step. Edit and refresh. */

:root {
  --bg:      #fbfaf8;
  --panel:   #ffffff;
  --ink:     #16191d;
  --ink-2:   #4a5158;
  --ink-3:   #6d757d;
  --line:    #dfdcd6;
  --line-2:  #ecebe7;
  --accent:  #a33a12;   /* the single accent: terminal amber pushed toward red, enough contrast on light */
  --ok:      #1d6b35;
  --warn:    #8a5a04;
  --code-bg: #f3f1ec;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", "Noto Sans CJK SC",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:      #0e1013;
    --panel:   #15181c;
    --ink:     #d9dee4;
    --ink-2:   #a3acb5;
    --ink-3:   #7d868f;
    --line:    #2a2f36;
    --line-2:  #1e2228;
    --accent:  #e8944c;
    --ok:      #61c07f;
    --warn:    #dfa63d;
    --code-bg: #191d22;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.7 var(--sans);
  overflow-x: hidden;          /* body never scrolls sideways; wide content scrolls itself */
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 60rem; margin: 0 auto; padding: 0 1.25rem; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

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

.skip {
  position: absolute; left: -9999px;
  background: var(--panel); color: var(--ink);
  padding: .5rem .75rem; border: 1px solid var(--line); z-index: 10;
}
.skip:focus { left: .5rem; top: .5rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- top bar ---------- */

.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky; top: 0; z-index: 5;
}
.bar {
  display: flex; align-items: center; gap: 1rem;
  min-height: 3.25rem; flex-wrap: wrap;
}
.brand {
  font: 700 1.1rem/1 var(--mono);
  color: var(--ink); text-decoration: none;
  letter-spacing: .02em;
}
.brand::before { content: "▍"; color: var(--accent); margin-right: .35rem; }
.bar nav { display: flex; gap: 1rem; flex-wrap: wrap; margin-left: auto; }
.bar nav a {
  font: 400 .875rem/1 var(--mono);
  color: var(--ink-2); text-decoration: none;
}
.bar nav a:hover { color: var(--accent); }

/* Language switcher: three plain links, so it works with JS disabled. */
.langnav {
  display: flex; gap: .6rem; flex-wrap: wrap;
  margin-left: 0;
  padding-left: .85rem;
  border-left: 1px solid var(--line);
}
.langnav a {
  font: 400 .8125rem/1 var(--mono);
  color: var(--ink-3); text-decoration: none;
}
.langnav a:hover { color: var(--accent); }
.langnav a.is-on {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
@media (max-width: 46rem) {
  /* Two rows on narrow screens: nav on one, languages on the other, so a language name
     never gets squeezed to half a word. */
  .bar nav:not(.langnav) { margin-left: 0; }
  .langnav { margin-left: auto; border-left: 0; padding-left: 0; }
}

/* ---------- typography ---------- */

section { padding: 3rem 1.25rem; border-bottom: 1px solid var(--line-2); }
section.hero { padding-top: 3.5rem; border-bottom: 1px solid var(--line); }

h1 {
  font-size: clamp(1.65rem, 4.6vw, 2.6rem);
  line-height: 1.28; margin: 0 0 1rem; letter-spacing: -.01em;
}
h1 em { font-style: normal; color: var(--accent); }

h2 {
  font-size: 1.35rem; margin: 0 0 .75rem;
  letter-spacing: -.01em;
}
h2::before { content: "## "; font-family: var(--mono); color: var(--ink-3); font-weight: 400; }

h3 { font-size: 1.02rem; margin: 1.5rem 0 .4rem; }

p { margin: 0 0 .85rem; }
.lede { color: var(--ink-2); max-width: 46rem; }
.fine { font-size: .875rem; color: var(--ink-3); max-width: 48rem; }
.fine code, .fine strong { color: var(--ink-2); }

strong { font-weight: 650; }

/* ---------- code ---------- */

code {
  font-family: var(--mono);
  font-size: .875em;
  background: var(--code-bg);
  padding: .1em .32em;
  border-radius: 3px;
}

pre {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: .85rem 1rem;
  overflow-x: auto;              /* wide code scrolls itself */
  position: relative;
}
pre code {
  background: none; padding: 0;
  font-size: .8125rem; line-height: 1.65;
  display: block; white-space: pre;
}
pre.cmd { padding-right: 4.25rem; margin-bottom: .85rem; }

.copy {
  position: absolute; top: .45rem; right: .45rem;
  font: 400 .75rem/1 var(--mono);
  color: var(--ink-3); background: var(--bg);
  border: 1px solid var(--line); border-radius: 3px;
  padding: .3rem .5rem; cursor: pointer;
}
.copy:hover { color: var(--accent); border-color: var(--accent); }
.copy[data-done] { color: var(--ok); border-color: var(--ok); }

/* ---------- two-column hero ---------- */

.split {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
  margin: 1.75rem 0 1rem;
}
@media (min-width: 56rem) {
  .split { grid-template-columns: minmax(0, 20rem) minmax(0, 1fr); align-items: start; }
}
.split figure { margin: 0; min-width: 0; }
.split figcaption {
  font: 400 .8125rem/1.5 var(--mono);
  color: var(--ink-3); margin-bottom: .4rem;
}

/* ---------- the three points ---------- */

.points { list-style: none; padding: 0; margin: 1.25rem 0 0; }
.points > li {
  border-left: 2px solid var(--line);
  padding: 0 0 0 1.1rem; margin: 0 0 2rem;
}
.points > li:hover { border-left-color: var(--accent); }
.points h3 { margin-top: 0; font-size: 1.05rem; }

/* ---------- package list ---------- */

.pkg-toolbar {
  display: flex; align-items: center; gap: .75rem;
  flex-wrap: wrap; margin: 1.25rem 0 1rem;
}
#q {
  flex: 1 1 16rem; min-width: 0;
  font: 400 .9rem/1.4 var(--mono);
  color: var(--ink); background: var(--panel);
  border: 1px solid var(--line); border-radius: 4px;
  padding: .55rem .7rem;
}
#q::placeholder { color: var(--ink-3); }

.pkgs { list-style: none; padding: 0; margin: 0; }
.pkg {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: .8rem .95rem;
  margin-bottom: .6rem;
  background: var(--panel);
}
.pkg-head {
  display: flex; align-items: baseline; gap: .6rem;
  flex-wrap: wrap; margin-bottom: .25rem;
}
.pkg-cmd {
  font: 650 .95rem/1.3 var(--mono);
  color: var(--ink);
}
.pkg-id { font: 400 .8125rem/1.3 var(--mono); }
.pkg-stars { font: 400 .75rem/1.3 var(--mono); color: var(--ink-3); margin-left: auto; }
.pkg-desc { color: var(--ink-2); font-size: .9rem; margin: 0 0 .55rem; }
.pkg-foot { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.pkg-foot pre { flex: 1 1 22rem; min-width: 0; padding: .4rem .6rem .4rem .6rem; }
.pkg-foot pre code { font-size: .78125rem; }
.pkg-foot .copy { position: static; flex: none; }

.tag-inline {
  font: 400 .72rem/1 var(--mono);
  color: var(--warn);
  border: 1px solid currentColor; border-radius: 999px;
  padding: .22rem .5rem; white-space: nowrap;
}

.fallback, .pkg-error {
  border: 1px solid var(--line); border-left: 3px solid var(--warn);
  background: var(--panel); padding: .8rem .95rem; border-radius: 4px;
  font-size: .9rem;
}

/* ---------- trust table ---------- */

.tablewrap { overflow-x: auto; margin: 1.25rem 0 1rem; }
table.trust {
  border-collapse: collapse;
  min-width: 46rem;                /* narrow screens scroll via .tablewrap; body stays put */
  font-size: .875rem;
}
table.trust th, table.trust td {
  border: 1px solid var(--line);
  padding: .65rem .75rem;
  text-align: left; vertical-align: top;
}
table.trust th {
  background: var(--code-bg);
  font-weight: 650;
  white-space: nowrap;
}
table.trust td:first-child { width: 22rem; }
table.trust td code { display: inline-block; line-height: 1.5; }
.t-ok   { color: var(--ok); }
.t-warn { color: var(--warn); }

.nocurl {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--panel);
  padding: .8rem .95rem; border-radius: 4px;
  font-size: .9rem;
}

/* ---------- footer ---------- */

footer { padding: 2rem 1.25rem 3rem; color: var(--ink-3); font-size: .875rem; }
footer p { margin: 0 0 .4rem; }

/* ---------- 404 ---------- */

.center404 { padding: 5rem 1.25rem; }
.center404 pre { display: inline-block; text-align: left; }