:root{
  --bg:#0f0f0f;
  --bg2:#111111;
  --bg3:#1c1c1f;
  --border:rgba(255,255,255,0.08);
  --text:#f5f5f7;
  --text2:#a1a1a6;
  --accent:#0a84ff;
  --accent2:#34c759;
  --shadow:0 30px 80px rgba(0,0,0,0.34);
  --nav-h:72px;
}

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

html,body{
  background:var(--bg);
  color:var(--text);
  font-family:'Google Sans',-apple-system,BlinkMacSystemFont,sans-serif;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}

body{
  display:flex;
  flex-direction:column;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.pt{
  position:fixed;
  inset:0;
  background:var(--bg);
  transform:translateY(100%);
  z-index:999;
  pointer-events:none;
  transition:transform 0.42s cubic-bezier(0.77,0,0.175,1);
}

.pt.in{transform:translateY(0)}
.pt.out{transform:translateY(-100%)}

.orb{
  position:fixed;
  top:14%;
  left:50%;
  width:760px;
  height:520px;
  transform:translateX(-50%);
  background:radial-gradient(ellipse,rgba(10,132,255,0.12),transparent 70%);
  pointer-events:none;
  z-index:0;
  animation:orbPulse 8s ease-in-out infinite;
}

@keyframes orbPulse{
  0%,100%{opacity:.65;transform:translateX(-50%) scale(1)}
  50%{opacity:1;transform:translateX(-50%) scale(1.07)}
}

.docs-header{
  position:sticky;
  top:0;
  z-index:5;
  padding:18px 24px;
  display:flex;
  justify-content:flex-end;
  background:linear-gradient(180deg,rgba(15,15,15,0.98),rgba(15,15,15,0.78));
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(18px);
}

.back-btn{
  height:44px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--bg3);
  color:var(--text);
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  font-weight:600;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.back-btn:hover{
  transform:translateY(-1px);
  background:#2a2a2a;
  box-shadow:0 12px 32px rgba(10,132,255,0.12);
}

.docs-main{
  position:relative;
  z-index:1;
  width:min(1040px, calc(100% - 32px));
  margin:0 auto;
  padding:48px 0 80px;
}

.docs-hero{
  padding:22px 0 14px;
}

.docs-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(10,132,255,0.12);
  color:var(--accent);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:18px;
}

.docs-hero h1{
  font-family:'Google Sans Display','Google Sans',sans-serif;
  font-size:clamp(40px,5vw,64px);
  line-height:1.02;
  letter-spacing:-.04em;
  margin-bottom:14px;
}

.docs-lead{
  max-width:760px;
  font-size:clamp(16px,1.8vw,19px);
  line-height:1.75;
  color:var(--text2);
}

.docs-shell{
  margin-top:26px;
  border:1px solid var(--border);
  border-radius:28px;
  background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));
  box-shadow:var(--shadow);
  padding:28px;
}

.docs-meta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:24px;
}

.docs-badge{
  display:inline-flex;
  align-items:center;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border);
  color:var(--text2);
  font-size:12px;
  font-weight:600;
  letter-spacing:.05em;
  text-transform:uppercase;
}

.docs-content{
  display:grid;
  gap:24px;
}

.docs-section h2{
  font-family:'Google Sans Display','Google Sans',sans-serif;
  font-size:clamp(26px,2.4vw,34px);
  line-height:1.15;
  margin-bottom:12px;
}

.docs-section p,
.docs-section li,
.docs-section blockquote{
  color:var(--text2);
  font-size:16px;
  line-height:1.85;
}

.docs-section p + p{margin-top:14px}

.docs-section ul{
  padding-left:22px;
  margin-top:12px;
  display:grid;
  gap:10px;
}

.docs-section strong{
  color:var(--text);
  font-weight:700;
}

.docs-highlight{
  border-left:3px solid var(--accent);
  padding-left:16px;
  background:linear-gradient(90deg,rgba(10,132,255,0.08),transparent);
}

.docs-block{
  padding:18px 20px;
  border-radius:18px;
  border:1px solid var(--border);
  background:rgba(255,255,255,0.02);
}

.docs-block h3{
  font-size:18px;
  margin-bottom:8px;
}

.ai{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .65s cubic-bezier(0.22,1,0.36,1),transform .65s cubic-bezier(0.22,1,0.36,1);
}

.ai.v{opacity:1;transform:translateY(0)}

@media (max-width:760px){
  .docs-main{width:min(100% - 20px, 1040px); padding-top:28px}
  .docs-shell{padding:20px}
  .docs-header{padding:14px 16px}
}