:root{--bg:#0d0f14;--surface:#13161d;--elevated:#1a1e28;--border:#252a36;--accent:#6c8efb;--accent2:#a78bfa;--green:#34d399;--yellow:#fbbf24;--red:#f87171;--blue:#60a5fa;--orange:#fb923c;--pink:#f472b6;--text:#e2e8f0;--muted:#64748b;--light:#94a3b8;--code-bg:#0a0c12;--sidebar-w:270px;--header-h:60px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
/* Header */
.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:rgba(13,15,20,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:14px;z-index:100}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px;color:var(--text);cursor:pointer;flex-shrink:0}
.logo-icon{width:30px;height:30px;border-radius:7px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:15px}
.logo-badge{font-size:9px;background:var(--accent);color:#fff;border-radius:4px;padding:1px 6px;font-weight:700;letter-spacing:.05em}
.header-search{flex:1;max-width:400px;margin:0 16px;position:relative}
.header-search input{width:100%;background:var(--elevated);border:1px solid var(--border);border-radius:8px;padding:7px 12px 7px 34px;color:var(--text);font-size:13px;font-family:inherit;outline:none;transition:border-color .2s}
.header-search input:focus{border-color:var(--accent)}
.header-search input::placeholder{color:var(--muted)}
.search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px;pointer-events:none}
.header-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.header-links a{font-size:13px;color:var(--light);padding:6px 11px;border-radius:6px;transition:background .15s}
.header-links a:hover{background:var(--elevated);text-decoration:none}
.btn-primary{background:var(--accent)!important;color:#fff!important;font-weight:600}
.btn-primary:hover{background:#5a7af5!important}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:20px;cursor:pointer;padding:4px}
/* Layout */
.layout{display:flex;padding-top:var(--header-h);min-height:100vh}
/* Sidebar */
.sidebar{width:var(--sidebar-w);flex-shrink:0;position:fixed;top:var(--header-h);bottom:0;left:0;overflow-y:auto;background:var(--surface);border-right:1px solid var(--border);padding:16px 0}
.sidebar::-webkit-scrollbar{width:3px}.sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
.sidebar-section{margin-bottom:20px}
.sidebar-label{font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;padding:0 16px;margin-bottom:5px}
.nav-item{display:flex;align-items:center;gap:8px;padding:6px 16px;font-size:13px;color:var(--light);cursor:pointer;transition:all .15s;border-left:2px solid transparent;user-select:none}
.nav-item:hover{color:var(--text);background:var(--elevated)}
.nav-item.active{color:var(--accent);border-left-color:var(--accent);background:rgba(108,142,251,.08);font-weight:500}
.nav-icon{font-size:13px;opacity:.75}
/* Main content */
.content{margin-left:var(--sidebar-w);flex:1;padding:44px 56px 100px;max-width:860px}
/* Sections */
.section{display:none}.section.active{display:block}
/* Typography */
h1{font-size:34px;font-weight:800;line-height:1.15;margin-bottom:10px;background:linear-gradient(135deg,var(--text) 60%,var(--light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
h2{font-size:22px;font-weight:700;margin:40px 0 12px;color:var(--text);border-bottom:1px solid var(--border);padding-bottom:8px}
h3{font-size:15px;font-weight:600;margin:22px 0 8px;color:var(--text)}
p{font-size:14px;line-height:1.78;color:var(--light);margin-bottom:12px}
.lead{font-size:16px;line-height:1.7;color:var(--light);margin-bottom:28px}
ul,ol{padding-left:20px;margin-bottom:12px}
li{font-size:14px;line-height:1.7;color:var(--light);margin-bottom:3px}
code{font-family:'JetBrains Mono',monospace;font-size:12px;background:var(--elevated);border:1px solid var(--border);border-radius:4px;padding:1px 5px;color:var(--green)}
/* Hero */
.hero{background:linear-gradient(135deg,rgba(108,142,251,.1),rgba(167,139,250,.06));border:1px solid rgba(108,142,251,.2);border-radius:14px;padding:32px 36px;margin-bottom:36px}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(108,142,251,.12);border:1px solid rgba(108,142,251,.25);border-radius:20px;padding:3px 12px;font-size:11px;color:var(--accent);font-weight:600;margin-bottom:14px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.btn{padding:9px 20px;border-radius:8px;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:all .15s}
.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:#5a7af5}
.btn-ghost{background:var(--elevated);color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--accent)}
/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;margin:20px 0}
.card{background:var(--elevated);border:1px solid var(--border);border-radius:12px;padding:18px;cursor:pointer;transition:all .2s}
.card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.25)}
.card-icon{font-size:26px;margin-bottom:9px}
.card-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px}
.card-desc{font-size:12px;color:var(--muted);line-height:1.5}
/* Feature rows */
.feat{display:flex;gap:14px;margin:12px 0;align-items:flex-start}
.feat-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;background:var(--elevated);border:1px solid var(--border)}
.feat-body{flex:1}
.feat-body strong{font-size:14px;color:var(--text);display:block;margin-bottom:3px}
.feat-body span{font-size:13px;color:var(--muted);line-height:1.55}
/* Code blocks */
.code-block{background:var(--code-bg);border:1px solid var(--border);border-radius:10px;margin:16px 0;overflow:hidden}
.code-header{display:flex;align-items:center;justify-content:space-between;padding:9px 14px;background:var(--surface);border-bottom:1px solid var(--border)}
.code-lang{font-size:11px;color:var(--muted);font-weight:500;font-family:'JetBrains Mono',monospace}
.copy-btn{font-size:11px;color:var(--accent);cursor:pointer;background:none;border:none;padding:2px 8px;border-radius:4px;font-family:inherit;transition:background .15s}
.copy-btn:hover{background:var(--elevated)}
.copy-btn.copied{color:var(--green)}
pre{padding:18px;overflow-x:auto}
pre code{font-family:'JetBrains Mono',monospace;font-size:12.5px;line-height:1.75;color:#c9d1d9;background:none;border:none;padding:0}
/* Syntax */
.k{color:#ff7b72}.s{color:#a5d6ff}.n{color:#79c0ff}.c{color:#6e7681;font-style:italic}.u{color:#34d399}.m{color:#fbbf24}.v{color:#a78bfa}
/* Tables */
.tbl{overflow-x:auto;margin:18px 0;border-radius:10px;border:1px solid var(--border)}
table{width:100%;border-collapse:collapse}
th{background:var(--elevated);font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;padding:10px 14px;text-align:left;border-bottom:1px solid var(--border)}
td{padding:10px 14px;font-size:13px;color:var(--light);border-bottom:1px solid var(--border)}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(255,255,255,.015)}
/* Badges */
.badge{display:inline-flex;align-items:center;border-radius:4px;padding:1px 7px;font-size:11px;font-weight:600;line-height:1.6}
.bg{background:rgba(52,211,153,.12);color:var(--green)}
.bb{background:rgba(96,165,250,.12);color:var(--blue)}
.by{background:rgba(251,191,36,.12);color:var(--yellow)}
.br{background:rgba(248,113,113,.12);color:var(--red)}
.bp{background:rgba(167,139,250,.12);color:var(--accent2)}
.bo{background:rgba(251,146,60,.12);color:var(--orange)}
/* Alerts */
.alert{border-radius:8px;padding:13px 16px;margin:16px 0;font-size:13px;border-left:3px solid;line-height:1.6;color:var(--light)}
.alert strong{color:var(--text)}
.alert-info{background:rgba(96,165,250,.07);border-color:var(--blue)}
.alert-success{background:rgba(52,211,153,.07);border-color:var(--green)}
.alert-warn{background:rgba(251,191,36,.07);border-color:var(--yellow)}
/* Steps */
.steps{margin:20px 0}
.step{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start}
.step-n{width:26px;height:26px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0;margin-top:1px}
.step-body{flex:1}
.step-body strong{font-size:14px;color:var(--text);display:block;margin-bottom:3px}
.step-body p{margin:0;font-size:13px;color:var(--muted)}
/* Endpoints */
.ep{display:flex;align-items:center;gap:10px;background:var(--code-bg);border:1px solid var(--border);border-radius:8px;padding:11px 14px;margin:10px 0;font-family:'JetBrains Mono',monospace;font-size:12.5px;flex-wrap:wrap}
.method{font-weight:700;padding:2px 8px;border-radius:4px;font-size:10px;flex-shrink:0}
.POST{background:rgba(251,191,36,.12);color:var(--yellow)}
.GET{background:rgba(52,211,153,.12);color:var(--green)}
.ep-path{color:var(--text)}
.ep-desc{color:var(--muted);font-size:11px;font-family:'Inter',sans-serif;margin-left:auto}
/* Tabs */
.tabs{display:flex;gap:3px;background:var(--elevated);border-radius:8px;padding:4px;margin-bottom:18px;width:fit-content}
.tab{padding:6px 14px;border-radius:6px;font-size:13px;cursor:pointer;color:var(--muted);transition:all .15s;user-select:none}
.tab.active{background:var(--bg);color:var(--text);font-weight:500}
.tab-panel{display:none}.tab-panel.active{display:block}
/* Domain grid */
.domain-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:12px;margin:18px 0}
.domain-card{background:var(--elevated);border:1px solid var(--border);border-radius:10px;padding:14px;transition:border-color .2s}
.domain-card:hover{border-color:var(--accent)}
.di{font-size:22px;margin-bottom:7px}.dn{font-size:13px;font-weight:600;color:var(--text)}
.dd{font-size:11px;color:var(--muted);margin-top:2px;line-height:1.4}
.dm{font-size:10px;color:var(--accent);margin-top:7px;font-family:'JetBrains Mono',monospace}
/* Plans */
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0}
.plan-card{background:var(--elevated);border:1px solid var(--border);border-radius:12px;padding:18px}
.plan-card.featured{border-color:var(--accent);background:rgba(108,142,251,.06)}
.plan-name{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}
.plan-price{font-size:26px;font-weight:800;color:var(--text)}
.plan-price span{font-size:13px;font-weight:400;color:var(--muted)}
.plan-features{margin-top:14px}
.plan-feat{font-size:12px;color:var(--light);padding:4px 0;border-bottom:1px solid var(--border);display:flex;gap:5px;align-items:flex-start;line-height:1.45}
.plan-feat:last-child{border-bottom:none}
.chk{color:var(--green);flex-shrink:0}
/* FAQ */
.faq-item{border:1px solid var(--border);border-radius:8px;margin-bottom:8px;overflow:hidden}
.faq-q{padding:13px 16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:500;color:var(--text);user-select:none;transition:background .15s}
.faq-q:hover{background:var(--elevated)}
.faq-a{padding:0 16px;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s;font-size:13px;color:var(--light);line-height:1.7}
.faq-a.open{max-height:400px;padding:0 16px 14px}
.faq-chevron{transition:transform .3s;color:var(--muted);font-size:12px}
.faq-chevron.open{transform:rotate(180deg)}
/* Env table */
.env-row td:first-child{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--green)}
/* Search results */
.search-results{background:var(--surface);border:1px solid var(--border);border-radius:10px;position:absolute;width:100%;z-index:200;max-height:280px;overflow-y:auto;display:none;top:calc(100% + 4px)}
.sr-item{padding:10px 14px;cursor:pointer;border-bottom:1px solid var(--border);transition:background .1s}
.sr-item:last-child{border-bottom:none}
.sr-item:hover{background:var(--elevated)}
.sr-sec{font-size:10px;color:var(--muted);font-weight:700;text-transform:uppercase}
.sr-title{font-size:13px;color:var(--text)}
.sr-desc{font-size:11px;color:var(--muted)}
/* Progress */
.progress{background:var(--border);border-radius:100px;height:5px;margin:5px 0 14px;overflow:hidden}
.progress-fill{height:100%;border-radius:100px;background:linear-gradient(90deg,var(--accent),var(--accent2))}
/* Responsive */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .3s;z-index:90}
  .sidebar.open{transform:translateX(0)}
  .content{margin-left:0;padding:24px 18px 80px}
  .plan-grid{grid-template-columns:repeat(2,1fr)}
  .menu-toggle{display:block}
  h1{font-size:26px}
}
@media(max-width:500px){
  .plan-grid{grid-template-columns:1fr}
  .domain-grid{grid-template-columns:repeat(2,1fr)}
  .header-links a:not(.btn-primary){display:none}
}