/* =========================================================================
   moonapi docs — design system
   Palette: iris #898AC4 (main) · periwinkle #A2AADB / #C0C9EE · cream #FFF2E0 (accent only)
   ========================================================================= */

:root {
  /* periwinkle / iris is the MAIN colour; cream is only an accent (点缀) */
  --paper:      #ECEFFA;   /* periwinkle-tinted page background */
  --paper-2:    #E2E7F6;   /* deeper periwinkle band */
  --panel:      #FFFFFF;   /* white card */
  --panel-2:    #F4F5FC;   /* sunken periwinkle-white */
  --ink:        #232049;   /* deep indigo ink */
  --ink-soft:   #454270;
  --muted:      #6C6990;
  --line:       #D8DCF2;   /* periwinkle hairline */
  --line-soft:  #E7EAF7;

  /* brand — MAIN colour family */
  --iris:       #898AC4;   /* main accent */
  --iris-strong:#6E6FAE;
  --iris-deep:  #56578F;
  --peri:       #A2AADB;   /* periwinkle */
  --peri-soft:  #C0C9EE;   /* light periwinkle */
  --cream:      #FFF2E0;   /* accent ONLY (点缀) */

  /* tints built from the brand */
  --iris-tint:  #E8EAF7;   /* faint iris wash */
  --peri-tint:  #EAEDF8;
  --ok:         #4E8A6B;
  --ok-tint:    #E7F0EA;

  /* code */
  --code-bg:    #F4F5FC;
  --code-ink:   #232049;
  --code-line:  #E0E4F4;

  --shadow-sm: 0 1px 2px rgba(43,39,64,.05), 0 2px 6px -3px rgba(43,39,64,.10);
  --shadow:    0 1px 2px rgba(43,39,64,.05), 0 12px 30px -16px rgba(43,39,64,.22);
  --shadow-lg: 0 24px 60px -28px rgba(43,39,64,.35);
  --radius:    16px;
  --radius-sm: 10px;
  --maxw:      1180px;

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --paper:      #16142A;
  --paper-2:    #1B1833;
  --panel:      #201D3A;
  --panel-2:    #18152E;
  --ink:        #ECE9FB;
  --ink-soft:   #C9C4E6;
  --muted:      #9A95BE;
  --line:       #322D52;
  --line-soft:  #282343;

  --iris:       #A6A8E4;
  --iris-strong:#B7B9EC;
  --iris-deep:  #898AC4;
  --peri:       #8893CC;
  --peri-soft:  #6E78AE;
  --cream:      #FFF2E0;

  --iris-tint:  #2A2750;
  --peri-tint:  #242146;
  --ok:         #7FBF98;
  --ok-tint:    #1E2A24;

  --code-bg:    #191630;
  --code-ink:   #E6E2FB;
  --code-line:  #2C2850;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4), 0 2px 6px -3px rgba(0,0,0,.5);
  --shadow:    0 1px 2px rgba(0,0,0,.4), 0 16px 40px -18px rgba(0,0,0,.7);
  --shadow-lg: 0 28px 70px -30px rgba(0,0,0,.8);
}

/* ---- reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* page background comes directly from --paper (periwinkle); no overlay */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; color: var(--ink); letter-spacing: -.01em; }
a { color: var(--iris-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
p { margin: 0 0 1rem; }
img, svg { max-width: 100%; }

/* ---- scrollbar ----
   The standard properties sit behind @supports: Chrome drops its
   ::-webkit-scrollbar styling once it sees scrollbar-color. */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: color-mix(in oklab, var(--iris) 60%, var(--paper));
  border: 3px solid transparent;
  background-clip: padding-box;
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: var(--iris); background-clip: padding-box; border: 3px solid transparent; }
@supports not selector(::-webkit-scrollbar) {
  * { scrollbar-width: thin; scrollbar-color: var(--iris) transparent; }
}

/* ---- top nav ---- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.1rem;
  padding: .7rem clamp(1rem, 4vw, 2.2rem);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .mark { width: 30px; height: 30px; flex: none; filter: drop-shadow(0 4px 10px color-mix(in oklab, var(--iris) 45%, transparent)); }
.brand .name b { color: var(--iris-strong); font-weight: 700; }
.nav { display: flex; align-items: center; gap: .2rem; margin-left: auto; }
.nav a {
  color: var(--muted); font-size: .92rem; font-weight: 500;
  padding: .42rem .7rem; border-radius: 9px;
}
.nav a:hover { background: var(--iris-tint); color: var(--ink); text-decoration: none; }
.nav a.active { color: var(--iris-strong); background: var(--iris-tint); }
.nav .sep { width: 1px; height: 20px; background: var(--line); margin: 0 .35rem; }
.gh-link {
  display: inline-flex; align-items: center; gap: .4rem;
  border: 1px solid var(--line); border-radius: 9px;
  padding: .38rem .6rem; color: var(--ink-soft); font-size: .85rem; font-weight: 500;
}
.gh-link:hover { border-color: var(--iris); color: var(--iris-strong); text-decoration: none; background: var(--iris-tint); }
.gh-link svg { width: 17px; height: 17px; }
.theme-btn {
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  width: 36px; height: 36px; border-radius: 9px; cursor: pointer; display: grid; place-items: center;
}
.theme-btn:hover { border-color: var(--iris); color: var(--iris-strong); }
.nav-toggle { display: none; }

/* ---- layout for doc pages ---- */
.layout { display: grid; grid-template-columns: 248px minmax(0, 1fr); max-width: var(--maxw); margin: 0 auto; }
.sidebar {
  position: sticky; top: 57px; align-self: start; height: calc(100vh - 57px);
  overflow-y: auto; padding: 1.6rem 1rem 3rem; border-right: 1px solid var(--line);
}
.sidebar h4 { font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin: 1.3rem 0 .5rem; font-family: var(--font-body); font-weight: 600; }
.sidebar h4:first-child { margin-top: 0; }
.sidebar a { display: block; color: var(--ink-soft); font-size: .9rem; padding: .3rem .6rem; border-radius: 0 8px 8px 0; border-left: 2px solid transparent; }
.sidebar a:hover { background: var(--iris-tint); text-decoration: none; color: var(--ink); }
.sidebar a.active { color: var(--iris-strong); background: var(--iris-tint); border-left-color: var(--iris); font-weight: 600; }
.content { padding: 3.2rem clamp(1.2rem, 4vw, 3rem) 7rem; min-width: 0; }
.content > article { max-width: 860px; }

/* ---- generic blocks ---- */
.lead { font-size: 1.12rem; color: var(--ink-soft); max-width: 64ch; }
.kicker { display: inline-block; font-family: var(--font-mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--iris-strong); background: var(--iris-tint); padding: .2rem .6rem; border-radius: 999px; margin-bottom: .8rem; }

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font: inherit; font-weight: 600; font-size: .95rem;
  padding: .6rem 1.1rem; border-radius: 11px; cursor: pointer;
  border: 1px solid transparent; text-decoration: none;
}
.btn-primary { background: var(--iris); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--iris-strong); text-decoration: none; color: #fff; }
.btn-ghost { background: var(--panel); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--iris); color: var(--iris-strong); text-decoration: none; }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.3rem 1.4rem;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin: .2rem 0 .5rem; font-size: 1.15rem; }
.card p { color: var(--muted); margin: 0; font-size: .95rem; }

/* ---- code ---- */
pre, code, .mono { font-family: var(--font-mono); }
:not(pre) > code {
  background: var(--code-bg); color: var(--iris-deep);
  padding: .1em .4em; border-radius: 6px; font-size: .88em;
  border: 1px solid var(--code-line);
}
pre {
  background: var(--code-bg); color: var(--code-ink);
  border: 1px solid var(--code-line);
  border-radius: var(--radius-sm);
  padding: .95rem 1.05rem;
  font-size: .86rem; line-height: 1.65;
  overflow-x: auto;            /* never wrap: horizontal scroll */
  white-space: pre;
  tab-size: 2;
}
pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }
.codewrap { position: relative; }
.copy {
  position: absolute; top: .5rem; right: .5rem;
  background: var(--panel); border: 1px solid var(--line); color: var(--muted);
  font: inherit; font-size: .72rem; padding: .2rem .55rem; border-radius: 7px; cursor: pointer;
}
.copy:hover { border-color: var(--iris); color: var(--iris-strong); }
.copy.ok { color: var(--ok); border-color: var(--ok); }

/* token colours */
.tok-kw { color: var(--iris-strong); font-weight: 600; }
.tok-ty  { color: var(--iris-deep); }
.tok-fn  { color: #B5708C; }
.tok-str { color: var(--ok); }
.tok-com { color: var(--muted); font-style: italic; }
.tok-num { color: #C08A3E; }
.tok-punc{ color: var(--muted); }

/* wide-char grapheme clusters (CJK / emoji) get a fixed display width so
   trailing-comment alignment survives proportional fallback fonts */
.gc { display: inline-block; text-align: center; }
.gc.w2 { width: 2ch; }
.gc.w1 { width: 1ch; }

/* ---- terminal / request-response demo ---- */
.term {
  background: #1d1b2e; border-radius: var(--radius-sm); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid #2c2945;
  font-family: var(--font-mono); font-size: .84rem;
}
.term-bar { display: flex; align-items: center; gap: .5rem; padding: .55rem .8rem; background: #25223c; border-bottom: 1px solid #322e52; }
.term-bar .dot { width: 11px; height: 11px; border-radius: 50%; }
.term-bar .dot.r { background: #ff5f57; } .term-bar .dot.y { background: #febc2e; } .term-bar .dot.g { background: #28c840; }
.term-bar .title { color: #b9b4d6; font-size: .76rem; margin-left: .4rem; }
.term-tabs { display: flex; gap: .25rem; margin-left: auto; }
.term-tabs button {
  background: transparent; border: 1px solid transparent; color: #9a95be;
  font: inherit; font-size: .74rem; padding: .18rem .6rem; border-radius: 7px; cursor: pointer;
}
.term-tabs button.active { background: #322e52; color: #fff; }
.term-body { padding: .9rem 1rem; color: #e6e2fb; white-space: pre; overflow-x: auto; line-height: 1.6; }
.term-body .muted { color: #8b86ad; }
.term-body .ok { color: #7FBF98; }
.term-body .accent { color: #A6A8E4; }
.term-body .str { color: #d8b08a; }

/* ---- key numbers ---- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin: 2.8rem 0; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.1rem; text-align: center; box-shadow: var(--shadow-sm); }
.stat .n { font-family: var(--font-display); font-weight: 700; font-size: 2rem; color: var(--iris-strong); line-height: 1; }
.stat .l { color: var(--muted); font-size: .82rem; margin-top: .4rem; }

/* ---- feature grid ---- */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; margin: 2rem 0 3rem; }
.feature { position: relative; overflow: hidden; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.15rem 1.25rem; box-shadow: var(--shadow-sm); transition: border-color .2s, transform .2s; }
.feature:hover { border-color: var(--iris); transform: translateY(-2px); }
.feature .ico { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--iris-tint); color: var(--iris-strong); margin-bottom: .7rem; }
.feature .ico svg { width: 21px; height: 21px; }
.feature h3 { font-size: 1.08rem; margin: 0 0 .35rem; }
.feature p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ---- generic section heading on home ---- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 3.2rem clamp(1rem, 4vw, 2.2rem); }
.section h2 { font-size: 1.7rem; margin: 0 0 .4rem; }
.section .sub { color: var(--muted); max-width: 60ch; margin: 0 0 1.4rem; }

/* ---- vertical rhythm: breathing room between stacked blocks ---- */
.section > * + *,
.content > * + * { margin-top: 1.4rem; }
.section > h2 { margin-top: 2.8rem; }
.section > h2:first-child { margin-top: 0; }
.section > h3 { margin-top: 2rem; }
/* keep key containers airy (override the blanket above where needed) */
.section > .stats    { margin-top: 2.8rem; }
.section > .features { margin-top: 2rem; }
.section > .pkg-grid { margin-top: 1.6rem; }
.section > .ex-grid  { margin-top: 1.4rem; }
.section > .demo     { margin-top: 2.2rem; }
.section > .stage    { margin-top: 1.6rem; }

/* ---- callout ---- */
/* Fresh, light callout: crisp right angles, thin iris left accent, airy white panel. */
.note {
  position: relative;
  border: 1px solid var(--line);
  border-left: 3px solid var(--iris);
  background: var(--panel);
  border-radius: 0;
  padding: 1rem 1.2rem;
  margin: 1.2rem 0;
  color: var(--ink-soft);
  font-size: .94rem;
  box-shadow: var(--shadow-sm);
}
.note b { color: var(--iris-strong); }

/* ---- footer ---- */
footer.site { border-top: 1px solid var(--line); margin-top: 3rem; }
.foot { max-width: var(--maxw); margin: 0 auto; padding: 2rem clamp(1rem, 4vw, 2.2rem); display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; color: var(--muted); font-size: .88rem; }
.foot a { color: var(--muted); } .foot a:hover { color: var(--iris-strong); }
.foot .grow { margin-left: auto; }

/* =========================================================================
   API reference page
   ========================================================================= */
.pkg-section { scroll-margin-top: 64px; padding-top: 2.2rem; margin-top: 2.2rem; border-top: 1px solid var(--line); }
.pkg-section:first-of-type { border-top: none; margin-top: 0; }
.pkg-section > h2 { font-family: var(--font-display); font-size: 1.5rem; margin: 0 0 .15rem; }
.pkg-section > h2 .at { color: var(--iris); }
.pkg-desc { color: var(--muted); max-width: 72ch; margin: .25rem 0 1.4rem; }
.api-item { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem 1.2rem; margin: 1rem 0; box-shadow: var(--shadow-sm); scroll-margin-top: 64px; }
.api-item:hover { border-color: color-mix(in oklab, var(--iris) 45%, var(--line)); }
.api-item .kind { display: inline-block; font-size: .64rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; border-radius: 6px; padding: .12rem .5rem; margin-bottom: .5rem; }
.kind-fn    { color: #3f8f63; background: color-mix(in oklab, #5C8A6E 16%, transparent); border: 1px solid color-mix(in oklab, #5C8A6E 34%, transparent); }
.kind-struct{ color: var(--iris-strong); background: var(--iris-tint); border: 1px solid color-mix(in oklab, var(--iris) 34%, transparent); }
.kind-enum  { color: #B5708C; background: color-mix(in oklab, #B5708C 14%, transparent); border: 1px solid color-mix(in oklab, #B5708C 32%, transparent); }
.kind-type  { color: #2E8BA0; background: color-mix(in oklab, #2E8BA0 14%, transparent); border: 1px solid color-mix(in oklab, #2E8BA0 32%, transparent); }
.kind-let   { color: #6E6FAE; background: color-mix(in oklab, var(--iris) 14%, transparent); border: 1px solid color-mix(in oklab, var(--iris) 32%, transparent); }
.api-item .sig { font-size: .86rem; margin: 0 0 .5rem; }
.api-item .doc { color: var(--ink-soft); max-width: 76ch; margin: 0; font-size: .94rem; }
.api-item .doc code { background: var(--code-bg); color: var(--iris-deep); padding: .06rem .35rem; border-radius: 5px; font-size: .88em; border: 1px solid var(--code-line); }
.member { margin: .55rem 0 0; padding-left: .9rem; border-left: 2px solid var(--line-soft); }
.member .sig { font-size: .82rem; margin: 0 0 .3rem; }
.member .doc { font-size: .9rem; }
.variants { list-style: none; padding: 0; margin: .4rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.variants li { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: .25rem .6rem; font-family: var(--font-mono); font-size: .82rem; color: var(--ink-soft); }
.variants li small { color: var(--muted); margin-left: .4rem; font-family: var(--font-body); }

/* group headings inside a package */
.grp { font-family: var(--font-mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 2rem 0 .5rem; padding-bottom: .3rem; border-bottom: 1px dashed var(--line); }
.grp:first-of-type { margin-top: .8rem; }

/* parameter & field tables */
.params { width: 100%; border-collapse: collapse; margin: .5rem 0 .2rem; font-size: .86rem; }
.params th { text-align: left; font-weight: 600; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; padding: .35rem .6rem; border-bottom: 1px solid var(--line); }
.params td { padding: .4rem .6rem; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.params td.pname { font-family: var(--font-mono); font-weight: 600; color: var(--ink); white-space: nowrap; }
.params td.pname.opt { color: var(--muted); font-weight: 500; }
.params td .mut { color: var(--muted); font-style: italic; font-size: .72rem; margin-left: .3rem; }
.params code { background: var(--code-bg); color: var(--iris-deep); padding: .1rem .4rem; border-radius: 5px; font-size: .92em; border: 1px solid var(--code-line); }
.returns { font-size: .85rem; color: var(--ink-soft); margin: .4rem 0 0; }
.returns code { background: var(--code-bg); color: var(--iris-deep); padding: .08rem .4rem; border-radius: 5px; border: 1px solid var(--code-line); }

/* example blocks lifted from /// comments */
.codewrap.ex { margin: .7rem 0 .2rem; }
.codewrap.ex::before { content: "Example"; display: block; font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; color: var(--iris-strong); margin: 0 0 .3rem; }
.codewrap.ex pre { background: color-mix(in oklab, var(--iris-tint) 55%, var(--code-bg)); border-color: color-mix(in oklab, var(--iris) 30%, var(--line)); }
.codewrap.ex pre code { color: var(--ink); }

/* sidebar package index */
.side-nav { display: flex; flex-direction: column; gap: .05rem; }
.side-nav a { display: flex; align-items: center; gap: .35rem; color: var(--ink-soft); font-size: .9rem; padding: .32rem .55rem; border-radius: 0 8px 8px 0; border-left: 2px solid transparent; font-family: var(--font-mono); }
.side-nav a .at { color: var(--iris); opacity: .7; }
.side-nav a .cnt { margin-left: auto; font-size: .72rem; color: var(--muted); background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 0 .45rem; }
.side-nav a:hover { background: var(--iris-tint); color: var(--ink); text-decoration: none; }
.side-nav a.active { color: var(--iris-strong); background: var(--iris-tint); border-left-color: var(--iris); font-weight: 600; }
.side-nav a.active .cnt { color: var(--iris-strong); }

/* ---- showcase page ---- */
.stage { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow); }
.flow { display: flex; flex-wrap: wrap; align-items: stretch; gap: .6rem; margin: 1.6rem 0; }
.node {
  flex: 1 1 130px; min-width: 120px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px;
  padding: .8rem .9rem; position: relative; transition: all .25s ease;
}
.node .step { font-family: var(--font-mono); font-size: .68rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.node .name { font-weight: 600; font-size: .96rem; margin-top: .15rem; }
.node .arrow { position: absolute; right: -.55rem; top: 50%; transform: translateY(-50%); color: var(--iris); font-size: 1.1rem; z-index: 2; }
.node.active { background: var(--iris); border-color: var(--iris-strong); color: #fff; box-shadow: var(--shadow); }
.node.active .step, .node.active .arrow { color: rgba(255,255,255,.8); }
.node.done { background: var(--ok-tint); border-color: color-mix(in oklab, var(--ok) 40%, transparent); }
.node.done .name { color: var(--ok); }
.chips { display: flex; flex-wrap: wrap; gap: .45rem; margin: .6rem 0; }
.chip { cursor: pointer; font-family: var(--font-mono); font-size: .82rem; background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: .3rem .8rem; color: var(--ink-soft); }
.chip:hover { border-color: var(--iris); color: var(--iris-strong); }
.chip.active { background: var(--iris); border-color: var(--iris); color: #fff; }
.kv { font-family: var(--font-mono); font-size: .85rem; background: var(--code-bg); border: 1px solid var(--code-line); border-radius: var(--radius-sm); padding: .8rem 1rem; overflow-x: auto; white-space: pre; }

/* =========================================================================
   responsive
   ========================================================================= */
@media (width <= 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static; height: auto; border-right: none; border-bottom: 1px solid var(--line);
    display: none;
  }
  .sidebar.open { display: block; }
  .nav-toggle { display: grid; place-items: center; margin-left: auto; width: 38px; height: 38px; border: 1px solid var(--line); background: transparent; border-radius: 9px; color: var(--ink); cursor: pointer; }
  .nav { display: none; }
  .nav.show { display: flex; flex-wrap: wrap; width: 100%; order: 3; }
  .nav .sep { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: 1fr; }
  .content { padding: 1.8rem 1.1rem 5rem; }
  .section { padding: 2.4rem 1.1rem; }
}
@media (width <= 520px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .params { display: block; overflow-x: auto; }
  .api-item :not(pre) > code { overflow-wrap: anywhere; }
}

/* =========================================================================
   Home / landing page
   ========================================================================= */
.hero { position: relative; overflow: hidden; background: var(--iris); border-bottom: 1px solid var(--iris-strong); }
.hero-inner { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; padding: 4rem clamp(1rem, 4vw, 2.2rem) 3.2rem; }
.hero .eyebrow { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--cream); }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.05; margin: .6rem 0 .4rem; letter-spacing: -.02em; color: #fff; }
.hero h1 .grad { color: var(--cream); }
.hero p.lede { font-size: 1.12rem; color: rgba(255,255,255,.92); max-width: 56ch; margin: 0 0 1.6rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .7rem; }

/* hero sits on the iris surface, so its controls invert */
.hero .hero-cta .btn-primary { background: var(--cream); color: var(--iris-deep); }
.hero .hero-cta .btn-primary:hover { background: #fff; color: var(--iris-deep); text-decoration: none; }
.hero .hero-cta .btn-ghost { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.4); }
.hero .hero-cta .btn-ghost:hover { background: rgba(255,255,255,.24); color: #fff; text-decoration: none; }
.hero .install { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.38); color: #fff; }
.hero .install .pmt { color: var(--cream); }
.hero .install code { color: #fff; }
.hero .install .copy { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.hero .install .copy:hover { background: rgba(255,255,255,.2); }

/* keep the hero readable in the dark theme (deep periwinkle, not light) */
[data-theme="dark"] .hero { background: #4E4F8A; border-bottom-color: #3C3D73; }
[data-theme="dark"] .hero h1, [data-theme="dark"] .hero p.lede { color: #fff; }
[data-theme="dark"] .hero h1 .grad,
[data-theme="dark"] .hero .eyebrow,
[data-theme="dark"] .hero .install .pmt { color: var(--cream); }
[data-theme="dark"] .hero .hero-cta .btn-primary { background: var(--cream); color: #3C3D73; }
[data-theme="dark"] .hero .hero-cta .btn-primary:hover { background: #fff; color: #3C3D73; }

/* two-pane demo: code on the left, request/response on the right */
.demo { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin: 2.2rem 0 0; }
.demo .pane { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.demo .pane .ph { padding: .55rem .85rem; font-family: var(--font-mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); background: var(--panel-2); }
.demo pre { border: none; border-radius: 0; box-shadow: none; background: var(--panel); }
.reqline { color: var(--ink-soft); }
.reqline .m { color: var(--iris-strong); font-weight: 700; }
.reqline .u { color: var(--peri); }
.resline .s { color: var(--ok); font-weight: 700; }
.mutedline { color: var(--muted); }

/* package grid on home */
.pkg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.1rem; margin-top: 1.6rem; }
.pkg-card { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem 1.1rem; box-shadow: var(--shadow-sm); transition: border-color .2s, transform .2s; }
.pkg-card:hover { border-color: var(--iris); text-decoration: none; transform: translateY(-2px); }
.pkg-card .n { font-family: var(--font-mono); font-weight: 600; color: var(--iris-strong); font-size: .98rem; }
.pkg-card .d { color: var(--muted); font-size: .86rem; margin-top: .3rem; }

/* install bar */
.install { margin-top: 1.1rem; display: flex; align-items: center; gap: .8rem; background: var(--code-bg); border: 1px solid var(--code-line); border-radius: var(--radius-sm); padding: .8rem 1rem; font-family: var(--font-mono); font-size: .95rem; max-width: 600px; }
.install .pmt { color: var(--iris-strong); }
.install code { color: var(--ink); flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; background: none; border: none; padding: 0; font-size: inherit; }
.install + .hero-cta { margin-top: 1.1rem; }
.install .copy { position: static; }

/* ============================ EXAMPLES GALLERY ============================ */
.ex-group { scroll-margin-top: 84px; }
.ex-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 350px), 1fr));
  gap: 1.3rem;
  margin-top: 1.4rem;
}
.ex-card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem 1.15rem;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.ex-card:hover { border-color: var(--iris); transform: translateY(-2px); box-shadow: var(--shadow); }
.ex-card .tag {
  font: 600 .7rem/1 var(--font-mono);
  letter-spacing: .03em;
  color: var(--iris-strong);
  text-transform: none;
}
.ex-card h3 { margin: 0; font: 600 1.05rem/1.3 var(--font-display); color: var(--ink); }
.ex-card p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.5; }
.ex-card .codewrap { margin: .15rem 0 0; }
.ex-card .src {
  margin-top: .15rem;
  font: 600 .82rem/1 var(--font-body);
  color: var(--iris-strong);
  text-decoration: none;
}
.ex-card .src:hover { text-decoration: underline; color: var(--iris-deep); }

@media (width <= 860px) {
  .demo { grid-template-columns: 1fr; }
  .hero-inner { padding-top: 2.6rem; }
}

html, button, input, textarea, select { font-variant-ligatures: no-contextual; }

/* The page scroll bar shows while the page moves or under the pointer and
   hides a moment after; it keeps its place, so nothing shifts. */
@supports selector(::-webkit-scrollbar) {
  html:not(.scrolling)::-webkit-scrollbar-thumb { background: transparent; border-color: transparent; box-shadow: none; }
}
@supports not selector(::-webkit-scrollbar) {
  html:not(.scrolling) { scrollbar-color: transparent transparent; }
}