:root{
  --purple-900: #3b0b4a;
  --purple-600: #6a2fb7;
  --purple-400: #9b59d3;
  --bg: #f7f5fb;
  --card: #ffffff;
  --accent: #ffffff;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial; background:var(--bg); color:#222}
.wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.panel{display:flex;width:100%;max-width:900px;border-radius:12px;overflow:hidden;box-shadow:0 8px 30px rgba(46,10,69,0.12)}
.brand{flex:1;background:linear-gradient(135deg,var(--purple-900),var(--purple-600));color:var(--accent);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:36px}
.brand h1{margin:10px 0 0 0;font-size:28px;letter-spacing:0.6px}
.brand p{opacity:0.95;margin-top:6px}
.brand .logo{width:120px;height:auto}
.card{flex:1;background:var(--card);padding:28px}
.card h2{margin:0 0 8px 0;color:var(--purple-900)}
form{margin-top:16px;display:flex;flex-direction:column;gap:12px}
label{font-size:14px;color:#444;display:flex;flex-direction:column;gap:6px}
select,input[type=tel],input[type=password],button{width:100%;padding:12px 14px;border-radius:8px;border:1px solid #e6e3ea;font-size:15px}
select{appearance:none;background-image:none}
.row{display:flex;gap:12px}
.row .small{flex:0 0 140px}
.row .grow{flex:1}
/* Campo de código con botón para mostrar/ocultar */
.code-field{position:relative;display:flex;align-items:center}
.code-field input{padding-right:12px}
button{background:linear-gradient(90deg,var(--purple-600),var(--purple-400));color:var(--accent);border:none;font-weight:600;cursor:pointer}
.note{font-size:13px;color:#666}
@media (max-width:720px){
  .panel{flex-direction:column;border-radius:10px}
  .brand{padding:20px}
  .row{flex-direction:column}
  .row .small{flex:1}
}