body {
  background: linear-gradient(135deg,#2f2f2f 0%, #171717 100%);
  color: #e6e6e6;
}
.login-wrap{min-height:calc(100vh - 120px);display:flex;align-items:center;justify-content:center;padding:40px 12px}
.login-card{max-width:420px;width:100%;background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.04);backdrop-filter: blur(6px);padding:28px;border-radius:12px}
.login-brand{font-weight:700;font-size:22px;color:#f5f5f5;margin-bottom:12px}
.login-sub{font-size:13px;color:rgba(230,230,230,0.75);margin-bottom:18px}
.form-control{background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.04);color:#e6e6e6}
.form-control:focus{box-shadow:none;border-color:rgba(196,57,43,0.7)}
.btn-primary{background:linear-gradient(90deg,#d64545,#a81f1f);border:none;color:#fff}
.small-muted{font-size:12px;color:rgba(230,230,230,0.6)}
.login-footer{margin-top:16px;text-align:center}

/* alert vermelho para mensagens de erro */
.alert-danger{background-color:#b72b2b;color:#fff;border-color:rgba(183,43,43,0.2)}