body{margin:0;background:#0b111c;color:#fff;font-family:Arial,Helvetica,sans-serif}
.wrap{max-width:980px;margin:50px auto;padding:20px}
h1{font-size:42px}
.brand{display:flex;align-items:center;gap:18px;margin:0 0 26px}
.brand-logo{display:block;width:180px;max-width:42vw;aspect-ratio:3/2;object-fit:cover;object-position:center 28%;border:1px solid #26374f;border-radius:8px;box-shadow:0 18px 45px rgba(0,0,0,.32)}
.brand-copy{min-width:0}
.brand h1{margin:0;line-height:1.05}
.brand-client{align-items:stretch;background:linear-gradient(135deg,#111b2a,#0e1726);border:1px solid #26374f;border-radius:8px;padding:16px;box-shadow:0 18px 45px rgba(0,0,0,.22)}
.brand-client .brand-logo{width:min(360px,48%);height:auto;aspect-ratio:3/2}
.brand-client .brand-copy{display:flex;align-items:center}
.brand-admin{margin:0}
.brand-admin .brand-logo{width:132px}
.brand-admin h1{font-size:38px}
.card{background:#1b1b1b;border:1px solid #333;border-radius:16px;padding:26px;margin:24px 0}
input,select{box-sizing:border-box;width:100%;font-size:20px;padding:16px;margin:10px 0;border-radius:10px;border:0}
button{width:100%;font-size:28px;font-weight:700;padding:22px;border:0;border-radius:10px;background:#1683f8;color:#fff;cursor:pointer}
button:disabled{opacity:.5;cursor:not-allowed}
.installBtn{background:#0bbf64;margin-top:10px}
pre{background:#000;color:#00ff66;min-height:210px;padding:18px;border-radius:10px;white-space:pre-wrap;font-size:16px}
.hidden{display:none}
.flashBox{border:1px solid #0bbf64;border-radius:12px;padding:18px;margin:18px 0;background:#071b12}
@media (max-width:760px){
  .wrap{margin:24px auto;padding:16px}
  .brand{gap:14px}
  .brand-client{flex-direction:column;padding:12px;margin-bottom:20px}
  .brand-client .brand-logo{width:100%;max-width:none;aspect-ratio:3/2}
  .brand-client h1{font-size:32px}
  .brand-admin .brand-logo{width:92px;max-width:34vw}
  .brand-admin h1{font-size:30px}
}
@media (max-width:440px){
  .brand-admin{gap:10px}
  .brand-admin .brand-logo{width:74px}
  .brand-admin h1{font-size:24px}
}