/* Stile condiviso delle pagine a tutto schermo: Login, Benvenuto, Cambio password */
:root{
  --bg:#000000; --surface2:#10172a; --line:#283353; --line2:#34426a;
  --text:#eaf1ff; --muted:#93a0bd; --dim:#5d6a8a; --brand:#5b6cff; --cyan:#38e1d6;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(1100px 600px at 50% -10%, rgba(91,108,255,.08), transparent 60%), var(--bg);
  color:var(--text);font-family:'Segoe UI',-apple-system,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
.auth-card{width:100%;max-width:400px;background:rgba(20,27,48,.55);border:1px solid var(--line);
  border-radius:20px;padding:34px 28px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.auth-logo{display:block;max-width:300px;max-height:130px;margin:0 auto 20px;object-fit:contain}
.auth-title{text-align:center;font-size:21px;font-weight:800;letter-spacing:1.5px;margin:0 0 4px}
.auth-sub{text-align:center;color:var(--muted);font-size:13px;margin:0 0 22px}
label{display:block;font-size:11.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin:14px 0 6px}
input{width:100%;padding:12px 14px;border:1px solid var(--line2);border-radius:11px;background:var(--surface2);color:var(--text);font-size:15px}
input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(91,108,255,.25)}
.btn-primary{width:100%;margin-top:22px;padding:13px;border:0;border-radius:11px;
  background:linear-gradient(180deg,var(--brand),#4a5be0);color:#fff;font-weight:800;font-size:15px;cursor:pointer}
.btn-primary:hover{filter:brightness(1.08)}
.auth-error{background:rgba(255,92,122,.12);border:1px solid rgba(255,92,122,.4);color:#ff9bb0;
  border-radius:10px;padding:10px 12px;font-size:13px;margin-bottom:6px;text-align:center}
.auth-foot{text-align:center;margin-top:18px;font-size:12px;color:var(--dim)}
.welcome{text-align:center;max-width:560px}
.welcome img{max-width:460px;max-height:250px;margin-bottom:26px;object-fit:contain}
.welcome h1{font-size:32px;letter-spacing:4px;font-weight:800;margin:0 0 12px}
.welcome p{color:var(--muted);font-size:15px;margin:0 0 32px}
.btn-enter{display:inline-block;padding:15px 50px;border-radius:999px;
  background:linear-gradient(180deg,var(--brand),#4a5be0);color:#fff;font-weight:800;font-size:16px;letter-spacing:1.5px;
  box-shadow:0 10px 28px rgba(91,108,255,.35)}
.btn-enter:hover{filter:brightness(1.1)}
@media(max-width:520px){
  .welcome h1{font-size:25px;letter-spacing:2px}
  .welcome img{max-width:250px}
  .auth-logo{max-width:230px;max-height:100px}
  .auth-card{padding:26px 20px}
}