@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Syne:wght@500;600;700;800&display=swap');

:root {
  --bg:     #060e1a;
  --bg2:    #0b1623;
  --bg3:    #0f1e30;
  --bg4:    #132436;
  --blue:   #3b82f6;
  --blue2:  #1d4ed8;
  --bdim:   rgba(59,130,246,.12);
  --bbrd:   rgba(59,130,246,.22);
  --green:  #10b981;
  --gdim:   rgba(16,185,129,.12);
  --red:    #f87171;
  --rdim:   rgba(248,113,113,.12);
  --amber:  #f59e0b;
  --adim:   rgba(245,158,11,.12);
  --txt:    #e2e8f0;
  --txt2:   #94a3b8;
  --txt3:   #475569;
  --brd:    rgba(255,255,255,.055);
  --sw:     252px;
  --nh:     56px;
  --r:      10px;
  --r2:     6px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Syne',sans-serif;background:var(--bg);color:var(--txt);min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit}
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-thumb{background:var(--txt3);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--blue)}

.navbar{
  position:fixed;top:0;left:0;right:0;z-index:200;
  height:var(--nh);
  background:rgba(6,14,26,.97);
  border-bottom:1px solid var(--brd);
  backdrop-filter:blur(16px);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;gap:10px;
}
.n-logo{
  display:flex;align-items:center;gap:9px;
  font-weight:800;font-size:15px;color:#fff;
  letter-spacing:-.3px;white-space:nowrap;flex-shrink:0;
}
.n-logo span{color:var(--blue)}
.n-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--blue);box-shadow:0 0 7px var(--blue);
  animation:pulse 2.5s ease-in-out infinite;flex-shrink:0;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.2}}

.n-btns{display:flex;align-items:center;gap:6px;flex-shrink:0}
.nbtn{
  display:flex;align-items:center;gap:5px;
  padding:6px 12px;border-radius:var(--r2);
  font-size:12px;font-weight:700;border:1px solid transparent;
  transition:all .18s;white-space:nowrap;
}
.nbtn svg{width:13px;height:13px;flex-shrink:0}
.tg{background:rgba(41,182,246,.09);border-color:rgba(41,182,246,.22);color:#29b6f6}
.tg:hover{background:rgba(41,182,246,.18)}
.wb{background:var(--bdim);border-color:var(--bbrd);color:var(--blue)}
.wb:hover{background:rgba(59,130,246,.2)}
.by{background:var(--blue);border-color:var(--blue);color:#fff}
.by:hover{background:var(--blue2)}

.layout{display:flex;padding-top:var(--nh);min-height:100vh}

.sidebar{
  position:fixed;top:var(--nh);left:0;bottom:0;
  width:var(--sw);background:var(--bg2);
  border-right:1px solid var(--brd);
  overflow-y:auto;overflow-x:hidden;
  padding:18px 0 40px;z-index:100;
  transition:transform .26s cubic-bezier(.4,0,.2,1);
}
.s-head{
  font-size:9.5px;font-weight:700;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--txt3);
  padding:10px 18px 4px;
}
.s-link{
  display:flex;align-items:center;gap:7px;
  padding:7.5px 18px;font-size:12.5px;font-weight:500;
  color:var(--txt2);border-left:2px solid transparent;
  transition:all .14s;
}
.s-link:hover{color:var(--txt);background:rgba(255,255,255,.025)}
.s-link.active{color:var(--blue);border-left-color:var(--blue);background:var(--bdim)}
.s-div{height:1px;background:var(--brd);margin:9px 18px}
.s-badge{
  font-size:9.5px;font-family:'JetBrains Mono',monospace;
  padding:1.5px 6px;border-radius:4px;margin-left:auto;flex-shrink:0;
  background:var(--bdim);color:var(--blue);
}
.s-badge.g{background:var(--gdim);color:var(--green)}
.s-badge.a{background:var(--adim);color:var(--amber)}

.s-overlay{
  display:none;position:fixed;inset:0;z-index:99;
  background:rgba(0,0,0,.7);backdrop-filter:blur(3px);
}
.s-overlay.open{display:block}
.s-toggle{
  display:none;position:fixed;bottom:20px;right:18px;z-index:300;
  width:46px;height:46px;border-radius:50%;
  background:var(--blue);border:none;color:#fff;
  box-shadow:0 4px 18px rgba(59,130,246,.45);
  align-items:center;justify-content:center;transition:background .2s;
}
.s-toggle:hover{background:var(--blue2)}

.wrap{margin-left:var(--sw);flex:1;min-width:0}
.content{max-width:800px;padding:46px 50px 80px}

.hero{padding:50px 0 38px;border-bottom:1px solid var(--brd);margin-bottom:50px}
.v-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--bdim);border:1px solid var(--bbrd);
  border-radius:20px;padding:3px 12px;margin-bottom:20px;
  font-size:11px;font-family:'JetBrains Mono',monospace;color:var(--blue);
}
.v-badge::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--blue);display:inline-block}
.hero h1{font-size:38px;font-weight:800;color:#fff;letter-spacing:-1px;margin-bottom:14px;line-height:1.08}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p{font-size:14.5px;color:var(--txt2);max-width:500px;line-height:1.75}

.sec{margin-bottom:68px}
.sec-tag{
  font-size:10.5px;font-weight:700;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--blue);
  font-family:'JetBrains Mono',monospace;margin-bottom:9px;
}
.sec h2{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.5px;margin-bottom:12px;line-height:1.15}
.sec p{font-size:14px;color:var(--txt2);line-height:1.75;margin-bottom:18px}

.step-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--bdim);border:1px solid var(--bbrd);
  border-radius:var(--r2);padding:3px 10px;
  font-size:11px;font-family:'JetBrains Mono',monospace;
  color:var(--blue);margin-bottom:16px;
}
.step-pill::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--blue);display:inline-block}

code{
  font-family:'JetBrains Mono',monospace;font-size:12.5px;
  color:var(--blue);background:var(--bdim);padding:2px 5px;border-radius:4px;
}

.flow{display:flex;flex-direction:column;margin-bottom:30px}
.f-step{
  display:flex;align-items:flex-start;gap:12px;
  padding:13px 16px;background:var(--bg2);
  border:1px solid var(--brd);transition:background .16s;
}
.f-step:first-child{border-radius:var(--r) var(--r) 0 0}
.f-step:last-child{border-radius:0 0 var(--r) var(--r)}
.f-step:not(:last-child){border-bottom:none}
.f-step:hover{background:var(--bg3)}
.f-num{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  background:var(--bdim);border:1px solid var(--bbrd);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--blue);
  font-family:'JetBrains Mono',monospace;
}
.f-info{flex:1;min-width:0}
.f-info h4{font-size:13px;font-weight:700;color:#fff;margin-bottom:2px}
.f-info p{font-size:11.5px;color:var(--txt2)}
.f-method{
  margin-left:auto;flex-shrink:0;align-self:center;
  font-size:10.5px;font-family:'JetBrains Mono',monospace;
  padding:2px 7px;border-radius:4px;
  background:var(--bdim);color:var(--blue);border:1px solid var(--bbrd);
}

.ptable{
  width:100%;border-collapse:collapse;
  margin-bottom:22px;border-radius:var(--r);
  overflow:hidden;border:1px solid var(--brd);
}
.ptable th{
  background:var(--bg3);padding:9px 14px;
  font-size:10.5px;font-weight:700;color:var(--txt2);
  text-align:left;letter-spacing:.4px;border-bottom:1px solid var(--brd);
}
.ptable td{
  padding:10px 14px;font-size:12.5px;color:var(--txt2);
  border-bottom:1px solid var(--brd);vertical-align:top;
}
.ptable tr:last-child td{border-bottom:none}
.ptable tr:hover td{background:rgba(255,255,255,.015)}
.pn{font-family:'JetBrains Mono',monospace;color:#fff;font-weight:500}
.pt{font-family:'JetBrains Mono',monospace;color:var(--amber);font-size:11.5px}
.pr{color:var(--green);font-size:12.5px}

.clabel{
  font-size:10px;font-weight:700;letter-spacing:1px;
  text-transform:uppercase;color:var(--txt3);
  font-family:'JetBrains Mono',monospace;margin-bottom:7px;
}
.cblock{
  background:#040a12;border:1px solid var(--brd);
  border-radius:var(--r);overflow:hidden;margin-bottom:20px;
}
.chead{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 14px;background:var(--bg3);border-bottom:1px solid var(--brd);
}
.ctitle{font-size:11.5px;font-family:'JetBrains Mono',monospace;color:var(--txt2)}
.cpbtn{
  font-size:10.5px;font-family:'JetBrains Mono',monospace;
  color:var(--txt3);background:none;border:none;
  padding:2px 7px;border-radius:4px;transition:all .14s;
}
.cpbtn:hover{color:var(--blue);background:var(--bdim)}
.cblock pre{
  padding:16px;overflow-x:auto;
  font-family:'JetBrains Mono',monospace;font-size:12.5px;line-height:1.75;
}
.k{color:var(--blue)}
.s{color:#34d399}
.v{color:#a78bfa}
.c{color:var(--txt3);font-style:italic}
.m{color:var(--amber)}
.u{color:#38bdf8}
.pk{color:#f472b6}

.alert{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px 14px;border-radius:var(--r2);margin-bottom:20px;
}
.al-warn{background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.2)}
.al-warn p{color:#fdba74}
.al-info{background:var(--bdim);border:1px solid var(--bbrd)}
.al-info p{color:#93c5fd}
.al-stop{background:var(--rdim);border:1px solid rgba(248,113,113,.2)}
.al-stop p{color:#fca5a5}
.al-icon{font-size:14px;flex-shrink:0;margin-top:1px}
.alert p{font-size:12.5px;line-height:1.65}

.elist{display:flex;flex-direction:column;gap:6px}
.eitem{
  display:flex;align-items:center;gap:12px;
  padding:10px 14px;background:var(--bg2);
  border:1px solid var(--brd);border-radius:var(--r2);
  transition:background .14s;flex-wrap:wrap;
}
.eitem:hover{background:var(--bg3)}
.ecode{
  font-family:'JetBrains Mono',monospace;font-size:12.5px;
  font-weight:700;color:var(--red);min-width:190px;
}
.edesc{font-size:12.5px;color:var(--txt2)}

@media(max-width:860px){.content{padding:32px 28px 60px}.hero h1{font-size:30px}}
@media(max-width:720px){
  .sidebar{transform:translateX(-100%);box-shadow:8px 0 30px rgba(0,0,0,.6)}
  .sidebar.open{transform:translateX(0)}
  .wrap{margin-left:0}
  .s-toggle{display:flex}
  .content{padding:26px 16px 68px}
  .hero{padding:32px 0 24px}
  .hero h1{font-size:26px}
  .sec h2{font-size:20px}
  .f-method{display:none}
  .ptable th,.ptable td{padding:8px 10px;font-size:11.5px}
  .cblock pre{font-size:11.5px;padding:12px}
  .ecode{min-width:unset;width:100%;margin-bottom:3px}
}
@media(max-width:400px){
  .content{padding:18px 12px 68px}
  .hero h1{font-size:22px}
  .nbtn-label{display:none}
  .nbtn{padding:7px 9px}
  .n-logo{font-size:13px}
}