*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--brand:#3ECF8E;--brand-dim:rgba(62,207,142,.12);--bg:#0a0a0a;--surface:#111;--border:rgba(255,255,255,.07);--text:#f0f0f0;--muted:#6b7280;--sidebar-w:240px}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;line-height:1.7}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}

/* Header */
header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:56px;background:rgba(17,17,17,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-icon{width:30px;height:30px;border-radius:8px;background:var(--brand);display:flex;align-items:center;justify-content:center}
.logo-name{font-weight:700;font-size:15px;color:var(--text)}
.logo-sub{font-size:11px;color:var(--muted);margin-left:4px}
.header-nav{display:flex;align-items:center;gap:6px}
.nav-pill{font-size:12px;font-weight:500;padding:6px 14px;border-radius:7px;color:var(--muted);text-decoration:none;transition:all .15s}
.nav-pill:hover,.nav-pill.active{background:var(--brand-dim);color:var(--brand);text-decoration:none}
.btn-dash{font-size:12px;font-weight:500;padding:6px 14px;border-radius:7px;background:var(--brand);color:#0a0a0a;text-decoration:none;margin-left:10px;transition:opacity .15s}
.btn-dash:hover{opacity:.85;text-decoration:none}
.lang-sw{display:flex;gap:4px;margin-left:10px}
.lang-btn{font-size:12px;padding:4px 8px;border-radius:5px;border:1px solid transparent;background:none;color:var(--muted);cursor:pointer;transition:all .15s}
.lang-btn:hover,.lang-btn.active{background:var(--brand-dim);color:var(--brand);border-color:rgba(62,207,142,.2)}

/* Layout: sidebar + content */
.page-layout{display:flex;min-height:calc(100vh - 56px)}
.sidebar{width:var(--sidebar-w);flex-shrink:0;border-right:1px solid var(--border);position:sticky;top:56px;height:calc(100vh - 56px);overflow-y:auto;padding:20px 0;background:var(--bg)}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:4px}
.sidebar-group{margin-bottom:16px;padding:0 16px}
.sidebar-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:6px;padding:0 8px}
.sidebar-link{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:7px;font-size:12.5px;color:var(--muted);text-decoration:none;transition:all .12s;font-weight:500}
.sidebar-link:hover{background:rgba(255,255,255,.04);color:var(--text);text-decoration:none}
.sidebar-link.active{background:var(--brand-dim);color:var(--brand);text-decoration:none}
.sidebar-link i{flex-shrink:0}

.content{flex:1;max-width:780px;padding:0 32px;min-width:0}

/* Sections */
.hero{padding:48px 0 40px;border-bottom:1px solid var(--border)}
.hero h1{font-size:28px;font-weight:800;margin-bottom:10px}.hero h1 span{color:var(--brand)}
.hero p{font-size:14px;color:var(--muted);max-width:620px}
.section{padding:40px 0;border-bottom:1px solid var(--border)}
.section h2{font-size:20px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.section h2 i{color:var(--brand)}
.section .sub{font-size:13px;color:var(--muted);margin-bottom:20px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:28px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px 20px;transition:border-color .2s}
.card:hover{border-color:rgba(62,207,142,.25)}
.card-icon{margin-bottom:10px;color:var(--brand)}
.card h3{font-size:14px;font-weight:700;margin-bottom:4px}
.card p{font-size:12.5px;color:var(--muted);line-height:1.6}
.card a{display:inline-block;margin-top:10px;font-size:12px;font-weight:600}

/* Steps */
.step{display:flex;gap:16px;margin-bottom:24px}
.step-num{width:32px;height:32px;border-radius:50%;background:var(--brand-dim);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}
.step-body h4{font-size:14px;font-weight:600;margin-bottom:3px}
.step-body p{font-size:13px;color:var(--muted)}

/* Code */
pre{background:#0d0d0d;border:1px solid var(--border);border-radius:10px;padding:16px 18px;font-size:12.5px;font-family:'Fira Code',monospace;color:#d4d4d4;overflow-x:auto;line-height:1.65;margin:12px 0}
code{font-family:'Fira Code',monospace;font-size:12px;background:#161616;padding:2px 6px;border-radius:4px}
.hl-g,.hl-green{color:#3ECF8E}.hl-o,.hl-orange{color:#ffab70}.hl-m,.hl-muted{color:#6b7280}.hl-blue{color:#79b8ff}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:13px;margin:12px 0}
thead th{text-align:left;padding:10px 14px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);border-bottom:1px solid var(--border)}
tbody tr{border-bottom:1px solid rgba(255,255,255,.04)}
tbody tr:hover{background:rgba(255,255,255,.015)}
tbody td{padding:11px 14px;vertical-align:top}
.check{color:var(--brand);font-weight:700}
.plan-tag{display:inline-block;font-size:10px;font-weight:600;padding:2px 7px;border-radius:99px;background:var(--brand-dim);color:var(--brand)}

/* Pillars grid */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin:16px 0}
.pillar{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px}
.pillar h4{font-size:13px;font-weight:600;margin-bottom:4px;display:flex;align-items:center;gap:6px}
.pillar h4 i{color:var(--brand)}
.pillar p{font-size:12px;color:var(--muted)}

/* API specifics */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-top:28px}
.info-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 18px}
.info-card label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px}
.info-card p{font-size:13px;color:var(--text);margin-top:4px;font-family:'Fira Code',monospace}
.endpoint-group{margin-bottom:10px}
.endpoint{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 18px;margin-bottom:8px}
.method{font-size:10px;font-weight:700;padding:3px 7px;border-radius:5px;min-width:48px;text-align:center;font-family:monospace}
.GET{background:rgba(62,207,142,.12);color:#3ECF8E}.POST{background:rgba(96,165,250,.12);color:#60a5fa}
.PUT{background:rgba(251,191,36,.12);color:#fbbf24}.DELETE{background:rgba(248,113,113,.12);color:#f87171}
.PATCH{background:rgba(167,139,250,.12);color:#a78bfa}
.endpoint-path{font-family:'Fira Code',monospace;font-size:12.5px;color:var(--text);flex:1}
.endpoint-desc{font-size:12px;color:var(--muted)}
.error-table td:first-child{color:#f87171;font-family:'Fira Code',monospace}
.ep-label{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;margin:20px 0 10px}

/* Footer */
footer{text-align:center;padding:36px 24px;font-size:12px;color:var(--muted);border-top:1px solid var(--border)}
footer a{color:var(--brand)}

/* Mobile */
@media(max-width:768px){
  .sidebar{display:none}
  .content{padding:0 16px}
  .cards{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr 1fr}
  .endpoint{flex-wrap:wrap}
}