/* ── Dark theme (default) ─────────────────────────────────── */
:root {
  --bg:#0a0a0b; --surface:#141416; --card:#1c1c1f; --border:#2a2a2e;
  --accent:#3b82f6; --green:#22c55e; --red:#ef4444; --yellow:#f59e0b;
  --purple:#a855f7; --text:#f4f4f5; --muted:#71717a; --radius:12px;

  --p-fg:#c4c4c6;
  --lead-fg:#a0a0a8;
  --code-inline-fg:#93c5fd;
  --code-inline-bg:var(--surface);
  --td-fg:#c4c4c6;
  --hover-row:rgba(255,255,255,0.02);
  --hl-k:#f59e0b;
  --hl-s:#86efac;
  --hl-c:#6b7280;
  --hl-n:#93c5fd;
  --hl-p:#d1d5db;
  --callout-blue-bg:#1e3a5f33;
  --callout-blue-bd:#3b82f633;
  --callout-blue-fg:#93c5fd;
  --callout-green-bg:#14352b33;
  --callout-green-bd:#22c55e33;
  --callout-green-fg:#86efac;
  --callout-yellow-bg:#3d2a0033;
  --callout-yellow-bd:#f59e0b33;
  --callout-yellow-fg:#fbbf24;
  --tag-blue-bg:#1e3a5f;
  --tag-blue-fg:#60a5fa;
  --tag-green-bg:#14352b;
  --tag-green-fg:#34d399;
  --tag-yellow-bg:#3d2a00;
  --tag-yellow-fg:#fbbf24;
  --tag-purple-bg:#2d1b4e;
  --tag-purple-fg:#c084fc;
  --tag-red-bg:#3f1212;
  --tag-red-fg:#f87171;

  --logo-dark-display: block;
  --logo-light-display: none;
  --sidebar-bg: var(--surface);
  --hamburger-display: none;
}

/* ── Light theme ─────────────────────────────────────────── */
[data-theme="light"] {
  --bg:#f8f9fb; --surface:#ffffff; --card:#ffffff; --border:#e4e4e7;
  --accent:#2563eb; --green:#16a34a; --red:#dc2626; --yellow:#d97706;
  --purple:#9333ea; --text:#18181b; --muted:#52525b;

  --p-fg:#3f3f46;
  --lead-fg:#52525b;
  --code-inline-fg:#1d4ed8;
  --code-inline-bg:#f1f5f9;
  --td-fg:#3f3f46;
  --hover-row:rgba(0,0,0,0.025);
  --hl-k:#b45309;
  --hl-s:#15803d;
  --hl-c:#71717a;
  --hl-n:#1d4ed8;
  --hl-p:#3f3f46;
  --callout-blue-bg:#dbeafe;
  --callout-blue-bd:#93c5fd;
  --callout-blue-fg:#1e40af;
  --callout-green-bg:#dcfce7;
  --callout-green-bd:#86efac;
  --callout-green-fg:#166534;
  --callout-yellow-bg:#fef3c7;
  --callout-yellow-bd:#fcd34d;
  --callout-yellow-fg:#854d0e;
  --tag-blue-bg:#dbeafe;
  --tag-blue-fg:#2563eb;
  --tag-green-bg:#dcfce7;
  --tag-green-fg:#15803d;
  --tag-yellow-bg:#fef3c7;
  --tag-yellow-fg:#b45309;
  --tag-purple-bg:#f3e8ff;
  --tag-purple-fg:#7e22ce;
  --tag-red-bg:#fee2e2;
  --tag-red-fg:#dc2626;

  --logo-dark-display: none;
  --logo-light-display: block;
}

/* ── Reset ────────────────────────────────────────────────── */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--text);min-height:100vh;font-size:15px;line-height:1.6}

/* ── Layout ───────────────────────────────────────────────── */
.layout{display:flex;min-height:100vh}
aside#docs-nav{
  width:260px;background:var(--surface);border-right:1px solid var(--border);
  padding:1.5rem 1rem;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;z-index:100;
  transition:transform 0.25s ease;
}
main{margin-left:260px;padding:3rem 3.5rem;max-width:980px}

/* ── Hamburger (mobile) ─────────────────────────────────── */
.hamburger{
  display:none;position:fixed;top:1rem;left:1rem;z-index:200;
  background:var(--card);border:1px solid var(--border);border-radius:8px;
  padding:0.5rem;cursor:pointer;color:var(--text);
}
.hamburger svg{display:block;width:20px;height:20px}
.nav-overlay{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:90;
}

@media(max-width:768px){
  aside#docs-nav{transform:translateX(-100%)}
  aside#docs-nav.open{transform:translateX(0)}
  main{margin-left:0;padding:1.5rem 1.25rem;padding-top:4rem}
  .hamburger{display:flex}
  .nav-overlay.active{display:block}
  .card-grid{grid-template-columns:1fr!important}
}

/* ── Logo ────────────────────────────────────────────────── */
.logo{font-size:1.05rem;font-weight:700;color:var(--accent);padding:0 0.5rem 1.5rem;letter-spacing:-0.02em}
.logo span{color:var(--text)}
.logo a{text-decoration:none;display:flex;align-items:center;gap:0.5rem;color:inherit}
.logo-img{max-width:100%;height:auto;max-height:40px}
.logo-img.logo-dark{display:var(--logo-dark-display)}
.logo-img.logo-light{display:var(--logo-light-display)}

/* ── Nav ─────────────────────────────────────────────────── */
nav a{
  display:block;padding:0.35rem 0.75rem;border-radius:7px;
  color:var(--muted);text-decoration:none;font-size:0.82rem;
  transition:all 0.15s;margin-bottom:0.1rem;
}
nav a:hover,nav a.active{background:var(--card);color:var(--text)}
.nav-section{
  font-size:0.68rem;font-weight:700;color:var(--muted);text-transform:uppercase;
  letter-spacing:0.08em;padding:1rem 0.75rem 0.4rem;
}
.nav-back{
  display:flex;align-items:center;gap:0.4rem;
  font-size:0.78rem;color:var(--muted);text-decoration:none;
  padding:0.4rem 0.75rem;border-radius:7px;margin-bottom:0.5rem;
  transition:all 0.15s;
}
.nav-back:hover{color:var(--text);background:var(--card)}
.nav-back svg{width:12px;height:12px}

/* Language toggle styled like nav-back (button reset) */
button.lang-toggle{
  background:transparent;border:none;font-family:inherit;
  cursor:pointer;width:100%;text-align:left;
}

/* ── Theme toggle ─────────────────────────────────────────── */
.theme-toggle{
  display:flex;align-items:center;gap:0.5rem;
  background:var(--card);border:1px solid var(--border);color:var(--muted);
  padding:0.5rem 0.75rem;border-radius:8px;font-size:0.78rem;
  font-family:inherit;cursor:pointer;width:100%;margin-top:1rem;
  transition:all 0.15s;
}
.theme-toggle:hover{color:var(--text);border-color:var(--accent)}
.theme-toggle svg{width:14px;height:14px}

/* ── Typography ───────────────────────────────────────────── */
h1{font-size:2rem;font-weight:800;letter-spacing:-0.03em;margin-bottom:0.5rem}
h2{font-size:1.4rem;font-weight:700;margin:3rem 0 1rem;padding-top:1rem;
   border-top:1px solid var(--border);letter-spacing:-0.02em}
h3{font-size:1.05rem;font-weight:600;margin:2rem 0 0.75rem;color:var(--text)}
h4{font-size:0.875rem;font-weight:600;margin:1.25rem 0 0.5rem;color:var(--muted);
   text-transform:uppercase;letter-spacing:0.05em}
p{color:var(--p-fg);margin-bottom:0.9rem;max-width:680px}
.lead{font-size:1.05rem;color:var(--lead-fg);margin-bottom:2rem;max-width:640px}
ul,ol{padding-left:1.5rem;margin-bottom:1rem;color:var(--p-fg)}
li{margin-bottom:0.35rem}

/* ── Cards ────────────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.5rem;margin-bottom:1.25rem}
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}
.feat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.25rem}
.feat-card .icon{font-size:1.5rem;margin-bottom:0.75rem}
.feat-card h3{font-size:0.9rem;margin:0 0 0.4rem;color:var(--text)}
.feat-card p{font-size:0.82rem;color:var(--muted);margin:0;max-width:none}

/* Quick link cards */
.quick-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}
.quick-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.25rem;text-decoration:none;transition:all 0.15s;display:block}
.quick-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.quick-card .qc-icon{font-size:1.75rem;margin-bottom:0.6rem}
.quick-card h3{font-size:0.9rem;color:var(--text);margin:0 0 0.3rem}
.quick-card p{font-size:0.78rem;color:var(--muted);margin:0;max-width:none}

/* ── Code ─────────────────────────────────────────────────── */
pre{background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:1.25rem 1.5rem;overflow-x:auto;margin:0.75rem 0 1.25rem;line-height:1.7}
code{font-family:'SF Mono',Menlo,Monaco,'Courier New',monospace;font-size:0.82rem}
p code,li code,td code{background:var(--code-inline-bg);padding:0.15rem 0.45rem;border-radius:5px;
  font-size:0.8rem;border:1px solid var(--border);color:var(--code-inline-fg)}
.hl-k{color:var(--hl-k)}
.hl-s{color:var(--hl-s)}
.hl-c{color:var(--hl-c)}
.hl-n{color:var(--hl-n)}
.hl-p{color:var(--hl-p)}

/* ── Method badges ────────────────────────────────────────── */
.method{display:inline-block;padding:0.2rem 0.55rem;border-radius:5px;
  font-size:0.72rem;font-weight:700;letter-spacing:0.04em;font-family:monospace;margin-right:0.5rem}
.m-get   {background:#22c55e22;color:#22c55e}
.m-post  {background:#3b82f622;color:#3b82f6}
.m-put   {background:#a855f722;color:#a855f7}
.m-patch {background:#f59e0b22;color:#f59e0b}
.m-delete{background:#ef444422;color:#ef4444}

/* ── Endpoints ────────────────────────────────────────────── */
.endpoint{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:1rem;overflow:hidden}
.endpoint-header{display:flex;align-items:center;padding:0.85rem 1.25rem;
  background:var(--card);gap:0.5rem;flex-wrap:wrap}
.endpoint-path{font-family:monospace;font-size:0.9rem}
.endpoint-desc{color:var(--muted);font-size:0.82rem;margin-left:auto}
.endpoint-body{padding:1.25rem;border-top:1px solid var(--border);background:var(--surface)}

/* ── API tester ───────────────────────────────────────────── */
.api-tester{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.25rem;margin-bottom:2rem}
.api-tester-row{display:flex;gap:0.75rem;flex-wrap:wrap}
.api-tester input{flex:1;min-width:180px;font-family:monospace;font-size:0.82rem;padding:0.5rem 0.75rem;
  background:var(--card);border:1px solid var(--border);border-radius:8px;color:var(--text);outline:none}
.api-tester input:focus{border-color:var(--accent)}
.tryit-result{margin:0.75rem 0 0;background:var(--card);border:1px solid var(--border);
  border-radius:8px;padding:0.85rem 1rem;font-size:0.78rem;overflow-x:auto;
  max-height:300px;overflow-y:auto;color:var(--text);white-space:pre-wrap}

/* ── Try it button ────────────────────────────────────────── */
.btn-tryit{
  background:var(--accent);color:#fff;border:none;border-radius:7px;
  padding:0.35rem 0.85rem;font-size:0.78rem;font-family:inherit;
  cursor:pointer;transition:opacity 0.15s;
}
.btn-tryit:hover{opacity:0.85}

/* ── Tables ───────────────────────────────────────────────── */
table{width:100%;border-collapse:collapse;font-size:0.84rem;margin-bottom:1.25rem}
th{text-align:left;padding:0.6rem 1rem;border-bottom:1px solid var(--border);
   color:var(--muted);font-size:0.72rem;text-transform:uppercase;letter-spacing:0.04em}
td{padding:0.65rem 1rem;border-bottom:1px solid var(--border);color:var(--td-fg);vertical-align:top}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--hover-row)}
td:first-child code{color:var(--code-inline-fg)}

/* ── Callouts ─────────────────────────────────────────────── */
.callout{border-radius:10px;padding:1rem 1.25rem;margin:1rem 0;font-size:0.875rem;display:flex;gap:0.75rem;align-items:flex-start}
.callout-icon{font-size:1.1rem;flex-shrink:0;margin-top:0.1rem}
.callout-blue{background:var(--callout-blue-bg);border:1px solid var(--callout-blue-bd);color:var(--callout-blue-fg)}
.callout-green{background:var(--callout-green-bg);border:1px solid var(--callout-green-bd);color:var(--callout-green-fg)}
.callout-yellow{background:var(--callout-yellow-bg);border:1px solid var(--callout-yellow-bd);color:var(--callout-yellow-fg)}

/* ── Diagrams ─────────────────────────────────────────────── */
.diagram{background:#141416;border:1px solid #2a2a2e;border-radius:var(--radius);
  padding:2rem;margin:1.5rem 0;overflow-x:auto}
.diagram svg{display:block;margin:0 auto;max-width:100%}
.diagram-caption{text-align:center;font-size:0.78rem;color:var(--muted);margin-top:1rem}

/* ── ASCII diagram ────────────────────────────────────────── */
.ascii-diagram{background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:1.25rem 1.5rem;overflow-x:auto;font-family:'SF Mono',Menlo,Monaco,monospace;
  font-size:0.8rem;line-height:1.6;color:var(--p-fg);margin:1rem 0 1.25rem}

/* ── Tags ─────────────────────────────────────────────────── */
.tag{display:inline-block;padding:0.2rem 0.6rem;border-radius:999px;
  font-size:0.72rem;font-weight:600;margin:0.15rem}
.tag-blue{background:var(--tag-blue-bg);color:var(--tag-blue-fg)}
.tag-green{background:var(--tag-green-bg);color:var(--tag-green-fg)}
.tag-yellow{background:var(--tag-yellow-bg);color:var(--tag-yellow-fg)}
.tag-purple{background:var(--tag-purple-bg);color:var(--tag-purple-fg)}
.tag-red{background:var(--tag-red-bg);color:var(--tag-red-fg)}

/* ── Steps ────────────────────────────────────────────────── */
.steps{counter-reset:step;list-style:none;margin:1rem 0;padding:0}
.steps li{counter-increment:step;display:flex;gap:1rem;margin-bottom:1rem;font-size:0.875rem;color:var(--p-fg)}
.steps li::before{content:counter(step);background:var(--accent);color:#fff;
  width:24px;height:24px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-size:0.75rem;font-weight:700;flex-shrink:0;margin-top:1px}

/* ── Env table ────────────────────────────────────────────── */
.env-key{font-family:monospace;font-size:0.8rem;color:var(--code-inline-fg)}
.env-default{font-family:monospace;font-size:0.78rem;color:var(--muted)}

/* ── Page header ──────────────────────────────────────────── */
.page-header{padding-bottom:2rem;border-bottom:1px solid var(--border);margin-bottom:2rem}
.badge-row{display:flex;gap:0.5rem;margin-top:1rem;flex-wrap:wrap}

/* ── Separator ────────────────────────────────────────────── */
.sep{height:1px;background:var(--border);margin:2.5rem 0}

/* ── Anchor offset ────────────────────────────────────────── */
[id]{scroll-margin-top:1.5rem}

/* ── SDK tabs ─────────────────────────────────────────────── */
.sdk-tabs{display:flex;gap:0.4rem;flex-wrap:wrap;margin-bottom:0}
.sdk-tab{background:var(--card);border:1px solid var(--border);border-radius:7px 7px 0 0;
  padding:0.35rem 0.85rem;font-size:0.78rem;cursor:pointer;color:var(--muted);
  transition:all 0.15s;font-family:inherit}
.sdk-tab.active,.sdk-tab:hover{color:var(--text);border-color:var(--accent);background:var(--surface)}
.sdk-tab-content{display:none}
.sdk-tab-content.active{display:block}

/* ── Doc screenshots ──────────────────────────────────────── */
.doc-screenshot{margin:1.5rem 0;padding:0;display:block}
.doc-screenshot img{width:100%;height:auto;display:block;
  border:1px solid var(--border);border-radius:8px;
  box-shadow:0 4px 16px rgba(0,0,0,0.18)}
:root[data-theme="light"] .doc-screenshot img{box-shadow:0 4px 16px rgba(15,23,42,0.08)}
.doc-screenshot figcaption{margin-top:0.55rem;font-size:0.78rem;color:var(--muted);
  font-style:italic;text-align:center;line-height:1.5}
.doc-screenshot a{display:block;line-height:0}