:root{
  --primary:#2554E8;
  --primary-hover:#1B3FC4;
  --gold:#B9873A;
  --dark:#0B1220;
  --dark-2:#16213A;
  --muted:#6B7690;
  --border:#E4E9F2;
}

*{ margin:0; padding:0; box-sizing:border-box; }

body{
  font-family:'Inter', sans-serif;
  min-height:100vh;
  display:flex;
}

/* Left brand panel */
.login-brand{
  flex:1;
  background:linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 55%, #1D2C4E 100%);
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  padding:56px;
  position:relative;
  overflow:hidden;
}

.login-brand::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-120px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(185,135,58,.30) 0%, rgba(185,135,58,0) 70%);
}

.login-brand img{
  height:34px;
  width:auto;
  filter:brightness(0) invert(1);
}

.login-brand-copy h1{
  font-size:38px;
  font-weight:700;
  letter-spacing:-0.02em;
  line-height:1.25;
  max-width:460px;
}

.login-brand-copy h1 span{
  color:var(--gold);
}

.login-brand-copy p{
  margin-top:16px;
  color:rgba(255,255,255,.65);
  font-size:15px;
  max-width:420px;
  line-height:1.6;
}

.login-brand-foot{
  color:rgba(255,255,255,.45);
  font-size:13px;
}

/* Right form panel */
.login-form-panel{
  width:460px;
  flex-shrink:0;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:40px;
}

.login-form{
  width:100%;
  max-width:340px;
}

.login-form h2{
  font-size:24px;
  font-weight:700;
  color:var(--dark);
  margin-bottom:6px;
}

.login-form p.sub{
  color:var(--muted);
  font-size:14px;
  margin-bottom:28px;
}

.field{
  margin-bottom:16px;
}

.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--dark);
  margin-bottom:7px;
}

.field .input-wrap{
  position:relative;
}

.field .input-wrap i{
  position:absolute;
  left:14px;
  top:50%;
  transform:translateY(-50%);
  color:#9AA5BD;
  font-size:14px;
}

.field input{
  width:100%;
  padding:12px 14px 12px 40px;
  border:1px solid var(--border);
  border-radius:11px;
  font-size:14px;
  font-family:inherit;
  outline:none;
  transition:.2s;
  color:var(--dark);
}

.field input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(37,84,232,.12);
}

button.submit-btn{
  width:100%;
  padding:13px;
  background:var(--primary);
  color:#fff;
  border:none;
  border-radius:11px;
  font-family:inherit;
  font-size:14.5px;
  font-weight:600;
  cursor:pointer;
  transition:.2s;
  margin-top:6px;
}

button.submit-btn:hover{
  background:var(--primary-hover);
}

.error-box{
  display:flex;
  align-items:center;
  gap:8px;
  background:#FDEAEA;
  color:#DC2626;
  font-size:13.5px;
  font-weight:500;
  padding:11px 14px;
  border-radius:10px;
  margin-bottom:18px;
}

.success-box{
  display:flex;
  align-items:center;
  gap:8px;
  background:#E9F9EF;
  color:#16A34A;
  font-size:13.5px;
  font-weight:500;
  padding:11px 14px;
  border-radius:10px;
  margin-bottom:18px;
}

.back-link{
  display:inline-block;
  margin-top:18px;
  font-size:13px;
  color:var(--muted);
  font-weight:500;
}

.back-link:hover{ color:var(--primary); }

@media(max-width:860px){
  .login-brand{ display:none; }
  .login-form-panel{ width:100%; }
}