:root{
  --ctba-bg:#edf4f0;
  --ctba-panel:#ffffff;
  --ctba-ink:#142019;
  --ctba-muted:#66756d;
  --ctba-line:#dce7e1;
  --ctba-green:#168048;
  --ctba-charcoal:#1c2a22;
  --ctba-red:#b42332;
}

.ctb-auth-wrapper,
.ctb-auth-wrapper *{
  box-sizing:border-box;
}

.ctb-auth-wrapper{
  width:100vw;
  min-height:100vh;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
  padding:42px 18px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  background:
    linear-gradient(135deg,rgba(255,255,255,.82),rgba(237,244,240,.96)),
    var(--ctba-bg);
  color:var(--ctba-ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

.ctb-auth-title{
  margin:0;
  font-size:34px;
  line-height:1.05;
  font-weight:850;
  color:var(--ctba-ink);
  text-align:center;
}

.ctb-auth-subtitle{
  max-width:560px;
  margin:10px auto 22px;
  color:var(--ctba-muted);
  font-size:15px;
  line-height:1.55;
  text-align:center;
}

.ctb-auth-box{
  width:min(100%,460px);
  padding:24px;
  border:1px solid var(--ctba-line);
  border-radius:8px;
  background:var(--ctba-panel);
  box-shadow:0 26px 70px rgba(20,32,25,.14);
}

.ctb-auth-box-title{
  margin:0 0 16px;
  font-size:20px;
  line-height:1.2;
  font-weight:850;
  color:var(--ctba-ink);
}

.ctb-auth-form{
  display:grid;
  gap:10px;
}

.ctb-auth-form label{
  color:var(--ctba-muted);
  font-size:12px;
  line-height:1.2;
  font-weight:850;
  text-transform:uppercase;
  letter-spacing:0;
}

.ctb-input{
  width:100%;
  min-height:48px;
  border:1px solid var(--ctba-line);
  border-radius:8px;
  padding:0 14px;
  color:var(--ctba-ink);
  background:#f8fbf9;
  font:inherit;
  font-size:15px;
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}

.ctb-input:focus{
  background:#fff;
  border-color:rgba(22,128,72,.65);
  box-shadow:0 0 0 4px rgba(22,128,72,.12);
}

.ctb-button{
  min-height:50px;
  margin-top:6px;
  border:0;
  border-radius:8px;
  color:#fff;
  background:var(--ctba-charcoal);
  font:inherit;
  font-size:14px;
  font-weight:900;
  cursor:pointer;
  box-shadow:0 14px 30px rgba(28,42,34,.2);
  transition:transform .18s ease,background .18s ease;
}

.ctb-button:hover{
  transform:translateY(-1px);
  background:var(--ctba-green);
}

.ctb-auth-error{
  margin:0 0 14px;
  padding:12px 13px;
  border:1px solid rgba(180,35,50,.2);
  border-radius:8px;
  color:var(--ctba-red);
  background:#fff0f2;
  font-size:13px;
  line-height:1.45;
}

.ctb-auth-bottom{
  margin:16px 0 0;
  color:var(--ctba-muted);
  font-size:14px;
  line-height:1.45;
  text-align:center;
}

.ctb-auth-bottom a{
  color:var(--ctba-green);
  font-weight:900;
  text-decoration:none;
}

.ctb-auth-bottom a:hover{
  text-decoration:underline;
}

@media (max-width:560px){
  .ctb-auth-wrapper{
    padding:24px 12px;
  }

  .ctb-auth-title{
    font-size:28px;
  }

  .ctb-auth-box{
    padding:18px;
  }
}