:root{
  --bg:#0b1220;
  --card:#0f1b33;
  --line:rgba(255,255,255,.10);
  --text:#e8eefc;
  --muted:rgba(232,238,252,.75);
  --brand:#0b7a75;
  --brand2:#859998;
  --danger:#ff6b6b;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:radial-gradient(1200px 800px at 15% 10%, rgba(11,122,117,.25), transparent 60%),
             radial-gradient(1000px 700px at 85% 20%, rgba(133,153,152,.18), transparent 55%),
             var(--bg);
  color:var(--text);
}

.wrap{max-width:900px;margin:40px auto;padding:0 16px}
.card{
  background:rgba(15,27,51,.92);
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between}
h1{font-size:22px;margin:0 0 8px}
p{margin:8px 0;color:var(--muted);line-height:1.5}
a{color:var(--text);text-decoration:none}
a:hover{text-decoration:underline}
.nav{display:flex;gap:10px;flex-wrap:wrap}

label{display:block;margin:10px 0 6px;color:var(--muted);font-size:14px}
input{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.22);
  color:var(--text);
  outline:none;
}
input:focus{border-color:rgba(11,122,117,.6)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(11,122,117,.55);
  background:rgba(11,122,117,.15);
  color:var(--text);
  cursor:pointer;
  font-weight:650;
}
.btn:hover{background:rgba(11,122,117,.25)}
.btn.secondary{
  border-color:rgba(133,153,152,.55);
  background:rgba(133,153,152,.14);
}
.btn.danger{
  border-color:rgba(255,107,107,.55);
  background:rgba(255,107,107,.12);
}

.small{font-size:13px;color:var(--muted)}
.hr{height:1px;background:var(--line);margin:14px 0}
.msg{margin-top:12px;padding:12px;border-radius:12px;border:1px solid var(--line);background:rgba(0,0,0,.18)}
.msg.ok{border-color:rgba(11,122,117,.55)}
.msg.bad{border-color:rgba(255,107,107,.55)}
code{background:rgba(0,0,0,.22);padding:2px 6px;border-radius:8px;border:1px solid var(--line)}