/* Shared stylesheet for the Slirc documentation site.
   Tokens mirror app/public/style.css (Catppuccin Mocha): dark translucent
   surfaces, lime brand accent, cyan secondary, monospace for commands. */
:root {
  color-scheme: dark;
  --bg: #11111b;
  --panel: #181825;
  --panel-hi: #313244;
  --text: #cdd6f4;
  --muted: #7f849c;
  --line: #313244;
  --brand: #a6e3a1;
  --mine: #94e2d5;
  --danger: #f38ba8;
  --ui: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Menlo, monospace;
  --topbar-h: 3.625rem;
  --sidebar-w: 15rem;
}

* { box-sizing: border-box; }
html { background: var(--bg);}
body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 50% -14rem, #1e1e2e 0, var(--bg) 38rem) fixed,
    var(--bg);
  color: var(--text);
  font: 1rem/1.6 var(--ui);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--mine); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .22rem; }

/* Same-document page swap, following Shibumi Stack's simple root crossfade. */
@view-transition { navigation: none; }
::view-transition-group(root) { animation-duration: .25s; animation-timing-function: ease; }
::view-transition-old(root) { animation: .25s ease both fade-out; }
::view-transition-new(root) { animation: .25s ease both fade-in; }
@keyframes fade-out { from { opacity: 1; } to { opacity: 0; } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
}
:focus-visible { outline: 2px solid var(--brand); outline-offset: .2rem; border-radius: .2rem; }

/* Skip link for keyboard users */
.skip {
  position: absolute;
  left: .75rem;
  top: .75rem;
  z-index: 200;
  padding: .55rem .8rem;
  border-radius: .55rem;
  background: var(--panel-hi);
  color: var(--text);
  font-weight: 650;
  transform: translateY(-200%);
  transition: transform .12s ease;
}
.skip:focus-visible { transform: none; }

/* Top bar — dark translucent surface like the app header */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: calc(var(--topbar-h) + env(safe-area-inset-top, 0px));
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: env(safe-area-inset-top, 0px) max(1rem, env(safe-area-inset-left)) 0 .5rem;
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.15);
}
.menu-toggle {
  display: none;
}
@media (max-width: 879px) {
  .menu-toggle {
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    margin-left: .25rem;
    border: 0;
    border-radius: .55rem;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
  }
}
.menu-toggle:hover, .menu-toggle:focus-visible { color: var(--text); }
.menu-toggle { position: relative; }
.menu-toggle .menu-icon {
  position: absolute;
  inset: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin: auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
  transition: opacity .14s ease, transform .18s ease;
}
.menu-close { opacity: 0; transform: scale(.72) rotate(-30deg); }
.menu-toggle[aria-expanded="true"] .menu-bars { opacity: 0; transform: scale(.72) rotate(30deg); }
.menu-toggle[aria-expanded="true"] .menu-close { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .menu-toggle .menu-icon { transition: none; } }
.brand { display: flex; align-items: center; gap: .65rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { width: 1.7rem; height: 1.7rem; object-fit: contain; }
.brand .wordmark { font-weight: 700; letter-spacing: -.01em; }
.brand .tag {
  margin-left: .35rem;
  padding: .1rem .4rem;
  border: 1px solid color-mix(in srgb, var(--brand) 45%, transparent);
  border-radius: 999px;
  color: var(--brand);
  font: 650 .66rem/1 var(--ui);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.open-app-mobile { display: none; }
@media (max-width: 879px) {
  .open-app-mobile {
    display: inline-flex;
    align-items: center;
    margin-left: auto;
    padding: .36rem .68rem;
    border-radius: .55rem;
    background: var(--brand);
    color: var(--bg);
    font: 700 .78rem/1 var(--ui);
    white-space: nowrap;
  }
  .open-app-mobile:hover { background: color-mix(in srgb, var(--brand) 86%, var(--text)); text-decoration: none; }
}
/* Layout: sticky sidebar + content */
.layout {
  width: min(100% - 2rem, 66rem);
  margin: 0 auto;
  padding: 2.5rem 0 5rem;
}
@media (min-width: 880px) {
  .layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    gap: 3rem;
    width: min(100% - 3rem, 76rem);
  }
}

/* On-this-page TOC, right side on wide screens (after the two-column rule) */
.toc { display: none; }
@media (min-width: 1200px) {
  .layout {
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr) 13rem;
    gap: 2.5rem;
    width: min(100% - 3rem, 92rem);
  }
  .toc {
    display: block;
    position: sticky;
    top: calc(var(--topbar-h) + 2rem);
    align-self: start;
    max-height: calc(100dvh - var(--topbar-h) - 3rem);
    overflow-y: auto;
    padding-left: 1.25rem;
    border-left: 1px solid var(--line);
    font-size: .82rem;
  }
  .toc ol { list-style: none; margin: 0; padding: 0; }
  .toc li { padding: 0; }
  .toc a {
    display: block;
    padding: .28rem .55rem;
    border-radius: .4rem;
    color: var(--muted);
  }
  .toc a:hover { color: var(--text); text-decoration: none; }
  .toc a.active { color: var(--brand); background: color-mix(in srgb, var(--brand) 10%, transparent); }
  .toc .toc-h3 a { padding-left: 1.25rem; font-size: .78rem; }
}

/* Sidebar nav */
.sidebar { padding: 0; }
@media (min-width: 880px) {
  .sidebar {
    position: sticky;
    top: calc(var(--topbar-h) + 2rem);
    align-self: start;
    max-height: calc(100dvh - var(--topbar-h) - 3rem);
    overflow-y: auto;
  }
}
.nav-section {
  margin: 0 0 .4rem;
  color: var(--muted);
  font: 650 .7rem/1 var(--ui);
  letter-spacing: .09em;
  text-transform: uppercase;
}
.nav-section:not(:first-child) { margin-top: 1.4rem; }
.nav-link {
  display: block;
  padding: .42rem .6rem;
  border-radius: .5rem;
  color: var(--text);
  font-size: .92rem;
}
.nav-link.sub { padding-left: 1.4rem; font-size: .86rem; }
.nav-link:hover { background: color-mix(in srgb, var(--panel-hi) 50%, transparent); text-decoration: none; }
.nav-link.active {
  background: color-mix(in srgb, var(--brand) 14%, transparent);
  color: var(--brand);
  font-weight: 650;
}
.nav-app {
  margin-top: .3rem;
  border: 0;
  background: var(--brand);
  color: var(--bg);
  font-weight: 700;
  text-align: center;
  transition: background-color .12s ease, transform .12s ease;
}
.nav-app:hover { background: color-mix(in srgb, var(--brand) 86%, var(--text)); color: var(--bg); text-decoration: none; }
.nav-app:active { transform: scale(.98); }
.sidebar[hidden] { display: none; }
@media (max-width: 879px) {
  .layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
  .sidebar {
    position: fixed;
    z-index: 60;
    inset: calc(var(--topbar-h) + env(safe-area-inset-top, 0px)) 0 0;
    width: auto;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 1.25rem max(1rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom));
    background: color-mix(in srgb, var(--panel) 97%, transparent);
    backdrop-filter: blur(14px) saturate(1.1);
  }
  .nav-content { width: 100%; flex: 0 0 auto; margin-top: auto; }
  .sidebar .nav-section { margin-bottom: .6rem; font-size: .74rem; }
  .sidebar .nav-section:not(:first-child) { margin-top: 1.5rem; }
  .sidebar .nav-link {
    min-height: 2.75rem;
    display: flex;
    align-items: center;
    padding: .65rem .85rem;
    font-size: 1.05rem;
  }
  .sidebar .nav-link.sub { padding-left: 1.55rem; font-size: .98rem; }
  .sidebar .nav-app { justify-content: center; min-height: 2.8rem; margin-top: .5rem; }
}
.nav-backdrop {
  position: fixed;
  z-index: 55;
  inset: calc(var(--topbar-h) + env(safe-area-inset-top, 0px)) 0 0;
  background: #0006;
  backdrop-filter: blur(2px);
}

/* Main content */
main { min-width: 0; }
.crumb {
  margin: 0 0 1rem;
  color: color-mix(in srgb, var(--brand) 55%, var(--muted));
  font: 650 .76rem/1 var(--ui);
  letter-spacing: .09em;
  text-transform: uppercase;
}
h1 {
  margin: 0 0 .75rem;
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.05;
}
.lead { max-width: 44rem; margin: 0 0 2.5rem; color: var(--muted); font-size: clamp(1.05rem, 2.5vw, 1.2rem); line-height: 1.55; }

section { padding: 2.2rem 0 0; }
h2 {
  margin: 1.4rem 0 .9rem;
  padding-top: 2.2rem;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -.02em;
}
/* Homepage hero carries its own bottom border; don't double it. */
.hero + h2 { border-top: 0; padding-top: 0; }
h3 { margin: 1.6rem 0 .6rem; font-size: 1.02rem; font-weight: 700; }
h2, h3 { scroll-margin-top: calc(var(--topbar-h) + 1rem); }
p { margin: .8rem 0; max-width: 46rem; }
ul, ol { margin: .8rem 0; max-width: 46rem; padding-left: 1.25rem; }
li { padding: .18rem 0 .18rem .3rem; }
li::marker { color: var(--muted); }

/* Code and commands */
code {
  padding: .12rem .38rem;
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  border-radius: .35rem;
  background: var(--panel);
  color: var(--mine);
  font: .88em var(--mono);
  white-space: nowrap;
}
pre {
  position: relative;
  max-width: 46rem;
  margin: 1.2rem 0;
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: .6rem;
  background: var(--bg);
  overflow-x: auto;
}
pre code { padding: 0; border: 0; background: transparent; color: var(--text); white-space: pre; }
pre code b, pre code strong { color: var(--brand); font-weight: 700; }
pre code i { color: var(--muted); font-style: normal; }
pre code s { color: var(--mine); }
pre code sup { color: var(--muted); font-style: italic; }
pre code mark { background: transparent; color: var(--brand); }
pre code ins { color: var(--brand); text-decoration: none; }
.cmd::before { content: "$ "; color: var(--brand); font-weight: 700; user-select: none; }
.copy-btn {
  position: absolute;
  top: .5rem;
  right: .5rem;
  padding: .28rem .5rem;
  border: 1px solid var(--line);
  border-radius: .4rem;
  background: var(--panel);
  color: var(--muted);
  font: 650 .72rem/1 var(--ui);
  cursor: pointer;
}
.copy-btn:hover { color: var(--text); }
.copy-btn.copied { color: var(--brand); border-color: color-mix(in srgb, var(--brand) 50%, transparent); }

kbd {
  padding: .12rem .45rem;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: .4rem;
  background: var(--panel);
  color: var(--text);
  font: .82em var(--mono);
}

/* Tables */
table { display: table; width: 100%; max-width: 46rem; margin: 1rem 0; border-collapse: collapse; font-size: .92rem; }
table thead, table tbody { width: 100%; }
@media (max-width: 640px) {
  table { display: block; overflow-x: auto; white-space: nowrap; }
}
th, td { padding: .6rem .7rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
td { border-bottom-color: transparent; }
th { color: var(--muted); font-weight: 650; font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; }
td code { white-space: nowrap; }

/* Notes and callouts */
blockquote {
  max-width: 46rem;
  margin: 1.3rem 0;
  padding: .8rem 1.1rem;
  border-left: 3px solid var(--brand);
  border-radius: .35rem;
  background: color-mix(in srgb, var(--brand) 7%, transparent);
  color: var(--muted);
}
blockquote p { margin: 0; }
/* Legacy note/warn kept as fallback for pages not yet converted. */
.callout { max-width: 46rem; margin: 1.3rem 0; padding: .85rem 1rem 1rem; border: 0; border-radius: .6rem; }
.callout h4 { display: flex; align-items: center; gap: .5rem; margin: 0 0 .45rem; font-size: 1rem; font-weight: 700; }
.callout h4 svg { width: 1.2rem; height: 1.2rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.callout p { margin: 0; }
.callout.tip { background: color-mix(in srgb, var(--brand) 8%, transparent); }
.callout.tip h4 { color: var(--brand); }
.callout.info { background: color-mix(in srgb, var(--mine) 8%, transparent); }
.callout.info h4 { color: var(--mine); }
.callout.danger { background: color-mix(in srgb, var(--danger) 8%, transparent); }
.callout.danger h4 { color: var(--danger); }

/* Details / FAQ */
details {
  max-width: 46rem;
  margin: .8rem 0;
  border: 1px solid var(--line);
  border-radius: .6rem;
  background: color-mix(in srgb, var(--panel) 55%, transparent);
}
summary {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .75rem 1rem;
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary .chevron {
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--brand);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .18s ease;
}
details[open] summary .chevron { transform: rotate(90deg); }
details > div { padding: 0 1rem .9rem; }

/* Homepage hero cards */
.hero {
  padding: clamp(1.5rem, 6vw, 3.5rem) 0 2.5rem;
}
.hero .eyebrow { margin: 0 0 1rem; color: var(--brand); font: 700 .78rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.grid { display: grid; gap: 1rem; margin: 1.5rem 0 0; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
.card {
  display: block;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: .7rem;
  background: color-mix(in srgb, var(--panel) 60%, transparent);
  color: var(--text);
  transition: border-color .12s ease, transform .12s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--brand) 55%, transparent); text-decoration: none; transform: translateY(-1px); }
.card strong { display: block; color: var(--brand); margin-bottom: .3rem; }
.card span { color: var(--muted); font-size: .9rem; line-height: 1.5; }

/* Footer */
.doc-footer { margin-top: 3rem; padding-top: .25rem; color: var(--muted); font-size: .86rem; }
.doc-footer-meta { margin: 0 0 1.4rem; }
.pager { display: flex; gap: 1rem; justify-content: space-between; }
.pager-box {
  flex: 1;
  max-width: 21rem;
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: .85rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: .7rem;
  background: color-mix(in srgb, var(--panel) 55%, transparent);
  color: var(--text);
  transition: border-color .12s ease, transform .12s ease;
}
.pager-box:hover { border-color: color-mix(in srgb, var(--brand) 55%, transparent); text-decoration: none; transform: translateY(-1px); }
.pager-box small { color: var(--muted); font: 650 .72rem/1 var(--ui); letter-spacing: .06em; text-transform: uppercase; }
.pager-box span { font-weight: 650; }
.pager-box.prev { text-align: left; align-items: flex-start; }
.pager-box.next { text-align: right; align-items: flex-end; }
.pager-box.empty { visibility: hidden; }
.doc-footer a { color: var(--muted); text-underline-offset: .22rem; }
.doc-footer a:hover, .doc-footer a:focus-visible { color: var(--text); text-decoration: none; }