/* ============================================================
   GioJS Docs — clean, Next.js-style documentation theme
   Ember accent · Hanken Grotesk × JetBrains Mono · light + dark
   ============================================================ */

:root {
  --bg:           #ffffff;
  --bg-elev:      #fbfbfa;
  --bg-code:      #faf9f8;
  --text:         #1b1a18;
  --muted:        #6b6862;
  --faint:        #9a958c;
  --border:       #ececea;
  --border-soft:  #f3f2f0;
  --accent:       #e8480f;
  --accent-text:  #e8480f;
  --accent-weak:  rgba(232, 72, 15, 0.08);
  --accent-line:  rgba(232, 72, 15, 0.28);
  --sidebar-w:    270px;
  --toc-w:        220px;
  --header-h:     60px;
  --content-max:  760px;
  --font-sans:    'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          #0c0c0d;
    --bg-elev:     #111112;
    --bg-code:     #131314;
    --text:        #ededec;
    --muted:       #9b988f;
    --faint:       #6a665e;
    --border:      #1f1f20;
    --border-soft: #181819;
    --accent:      #ff6a3d;
    --accent-text: #ff7a52;
    --accent-weak: rgba(255, 106, 61, 0.1);
    --accent-line: rgba(255, 106, 61, 0.32);
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { min-height: 100vh; }

a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.08em 0.36em;
}

/* ── Header ─────────────────────────────────────── */
.docs-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.docs-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.docs-brand:hover { text-decoration: none; }
.docs-brand__mark { width: 26px; height: 26px; border-radius: 7px; display: block; }
.docs-brand__tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-text);
  border: 1px solid var(--accent-line);
  background: var(--accent-weak);
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  margin-left: 0.1rem;
}
.docs-header__right { display: flex; align-items: center; gap: 1.25rem; }
.docs-header__link { color: var(--muted); font-size: 0.875rem; font-weight: 500; }
.docs-header__link:hover { color: var(--text); text-decoration: none; }

/* ── Shell / layout ─────────────────────────────── */
.docs-body {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  align-items: start;
  max-width: 1400px;
  margin: 0 auto;
}

/* ── Sidebar ────────────────────────────────────── */
.sidebar {
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 1.75rem 0.75rem 3rem 1.5rem;
  border-right: 1px solid var(--border);
  scrollbar-width: thin;
}
.sidebar-group { margin-bottom: 1.4rem; }
.sidebar-group-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--faint);
  padding: 0 0.7rem;
  margin-bottom: 0.35rem;
}
.sidebar-link {
  display: block;
  padding: 0.32rem 0.7rem;
  margin: 1px 0;
  border-radius: 7px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.4;
  transition: color 0.12s, background 0.12s;
}
.sidebar-link:hover { color: var(--text); background: var(--bg-elev); text-decoration: none; }
.sidebar-link[aria-current="page"] {
  color: var(--accent-text);
  background: var(--accent-weak);
  font-weight: 600;
}

/* ── Main content ───────────────────────────────── */
.docs-main {
  padding: 2.75rem 3rem 6rem;
  min-width: 0;
}
.docs-prose { max-width: var(--content-max); }

.docs-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: 0.6rem;
}
.docs-main h1 {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}
.docs-main .page-subtitle {
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.6;
  margin-bottom: 2.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.docs-main h2 {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 2.75rem 0 1rem;
  padding-top: 0.5rem;
}
.docs-main h3 {
  font-size: 1.12rem;
  font-weight: 650;
  margin: 2rem 0 0.65rem;
}
.docs-main p { margin-bottom: 1.05rem; color: var(--text); }
.docs-main ul, .docs-main ol { margin: 0 0 1.1rem 1.4rem; }
.docs-main li { margin-bottom: 0.4rem; }
.docs-main li::marker { color: var(--faint); }
.docs-main strong { font-weight: 700; }
.docs-main hr { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }

/* tables */
.docs-main table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.docs-main th {
  text-align: left;
  padding: 0.6rem 0.9rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.docs-main td { padding: 0.6rem 0.9rem; border: 1px solid var(--border); vertical-align: top; }
.docs-main td code { font-size: 0.82em; }

/* callouts */
.docs-main .callout {
  display: flex;
  gap: 0.7rem;
  background: var(--accent-weak);
  border: 1px solid var(--accent-line);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  margin: 1.5rem 0;
  font-size: 0.93rem;
  color: var(--text);
}
.docs-main .callout::before {
  content: "›";
  color: var(--accent-text);
  font-weight: 700;
}
.docs-main .callout.warning {
  background: rgba(214, 158, 46, 0.1);
  border-color: rgba(214, 158, 46, 0.35);
}
.docs-main .callout.warning::before { content: "!"; color: #b7791f; }

/* next/prev cards */
.docs-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.docs-pager a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}
.docs-pager a:hover { border-color: var(--accent-line); background: var(--accent-weak); text-decoration: none; }
.docs-pager a.next { text-align: right; align-items: flex-end; }
.docs-pager .dir { font-size: 0.74rem; color: var(--faint); text-transform: uppercase; letter-spacing: 0.05em; }
.docs-pager .label { font-weight: 650; color: var(--accent-text); }

/* ── CodeBlock ──────────────────────────────────── */
.code-block {
  position: relative;
  margin: 1.3rem 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-code);
}
.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
.code-block-lang {
  font-size: 0.72rem;
  color: var(--faint);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.code-block-copy {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.72rem;
  font-family: var(--font-sans);
  padding: 0.18rem 0.55rem;
  transition: color 0.15s, border-color 0.15s;
}
.code-block-copy:hover { color: var(--text); border-color: var(--faint); }
.code-block-copy.copied { color: var(--accent-text); border-color: var(--accent-line); }
.code-block pre { margin: 0; padding: 1.05rem 1.15rem; overflow-x: auto; }
.code-block pre code {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text);
}

/* ── Benchmarks ─────────────────────────────────── */
.bench-table td:nth-child(2),
.bench-table td:nth-child(3) {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}
.bench-win { color: #1a9e6c; font-weight: 600; }
@media (prefers-color-scheme: dark) { .bench-win { color: #4ec98a; } }

/* ── Mobile ─────────────────────────────────────── */
.mobile-nav-toggle {
  display: none;
  position: fixed;
  top: 0.8rem;
  left: 0.9rem;
  z-index: 100;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1;
}
.mobile-overlay { display: none; }

@media (max-width: 960px) {
  .docs-body { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--bg);
    z-index: 60;
    transition: left 0.25s ease;
    padding-top: 1.25rem;
  }
  .sidebar.open { left: 0; }
  .mobile-nav-toggle { display: block; }
  .mobile-overlay {
    display: block; position: fixed; inset: 0;
    background: rgba(0,0,0,0.45); z-index: 55;
    opacity: 0; pointer-events: none; transition: opacity 0.25s;
  }
  .mobile-overlay.visible { opacity: 1; pointer-events: auto; }
  .docs-main { padding: 3.5rem 1.35rem 4rem; }
  .docs-pager { grid-template-columns: 1fr; }
}