:root{--bg:#06070f;--panel:rgba(18,22,48,.78);--line:rgba(124,92,255,.3);--text:#e8ebff;--muted:#8a93c7;
  --cyan:#00f0ff;--blue:#3c8cff;--violet:#7c5cff;--pink:#ff2bd6;--green:#39ff14;--yellow:#ffd400;--red:#ff3860}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:"Segoe UI",system-ui,-apple-system,sans-serif;line-height:1.55;min-height:100vh;overflow-x:hidden}
a{color:var(--cyan)}
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:0}
.vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse at 50% 35%,transparent 30%,rgba(6,7,15,.9) 100%)}
.page{position:relative;z-index:2}
nav{position:sticky;top:0;z-index:10;backdrop-filter:blur(14px);background:rgba(6,7,15,.62);border-bottom:1px solid var(--line)}
.nav{max-width:1000px;margin:auto;display:flex;align-items:center;gap:16px;padding:12px 18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 18px "Bahnschrift","Segoe UI",sans-serif;letter-spacing:1.5px}
.brand img{width:34px;height:34px;filter:drop-shadow(0 0 8px rgba(124,92,255,.7))}
.brand b{background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav a.back{margin-left:auto;color:var(--muted);text-decoration:none;font-size:14.5px}
main{max-width:760px;margin:auto;padding:46px 18px 70px}
.eyebrow{font:700 12.5px "Bahnschrift","Segoe UI",sans-serif;letter-spacing:4px;color:var(--pink);text-transform:uppercase}
h1{font:800 clamp(30px,6vw,46px)/1.1 "Bahnschrift","Segoe UI",sans-serif;margin:8px 0 10px}
.grad{background:linear-gradient(90deg,var(--cyan),var(--blue),var(--violet),var(--pink),var(--cyan));background-size:300% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 6s linear infinite}
@keyframes shimmer{to{background-position:300% 0}}
.sub{color:var(--muted)}
.card{position:relative;margin-top:24px;background:linear-gradient(160deg,var(--panel),rgba(10,12,28,.86));border:1px solid var(--line);
  border-radius:22px;padding:26px;backdrop-filter:blur(10px);animation:rise .7s cubic-bezier(.2,.8,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.card h2{font:700 20px "Segoe UI Semibold","Segoe UI",sans-serif;margin-bottom:4px;display:flex;align-items:center;gap:10px}
.card h2 .n{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font:800 14px sans-serif;color:#06070f;
  background:linear-gradient(135deg,var(--cyan),var(--violet))}
.card p{color:var(--muted);font-size:14.5px}
label{display:block;margin:16px 0 6px;font:600 11.5px "Segoe UI",sans-serif;letter-spacing:1.6px;color:var(--muted);text-transform:uppercase}
input{width:100%;padding:13px 16px;border-radius:14px;border:1.5px solid var(--line);background:#05060d;color:var(--text);
  font:14px "Cascadia Mono",Consolas,monospace;outline:none;transition:border-color .2s,box-shadow .2s}
input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(0,240,255,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;margin-top:16px;padding:13px 26px;border-radius:999px;border:0;cursor:pointer;
  font:700 15px "Segoe UI",sans-serif;text-decoration:none;transition:transform .2s,box-shadow .2s,opacity .2s}
.btn:hover{transform:translateY(-2px)}
.btn[disabled]{opacity:.55;cursor:wait;transform:none}
.primary{background:linear-gradient(90deg,var(--cyan),#3ce0ff);color:#06070f;box-shadow:0 10px 30px rgba(0,240,255,.25)}
.ghost{background:rgba(124,92,255,.12);border:1.5px solid var(--violet);color:var(--text)}
.msg{margin-top:12px;font-size:14px;min-height:20px}
.msg.err{color:var(--red)}.msg.ok{color:var(--green)}.msg.wait{color:var(--yellow)}
.out{display:none;margin-top:14px;padding:14px;border-radius:14px;border:1px solid rgba(57,255,20,.35);background:rgba(57,255,20,.05)}
.out code{display:block;word-break:break-all;font:13px/1.5 "Cascadia Mono",Consolas,monospace;color:var(--cyan)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.spin{width:18px;height:18px;border:2.5px solid rgba(0,240,255,.25);border-top-color:var(--cyan);border-radius:50%;animation:sp 1s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
.small{font-size:12.5px;color:var(--muted);margin-top:10px}
footer{text-align:center;color:var(--muted);font-size:12.5px;padding:24px 18px 36px}
footer b{color:var(--pink)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}