body{
  background:#f6f8fc;
  font-family: Arial, sans-serif;
}

.navbar-brand{
  font-weight:700;
  font-size:18px;
}

.card{
  border:0;
  border-radius:18px;
  box-shadow:0 10px 30px rgba(0,0,0,0.05);
}

.btn-main{
  background: linear-gradient(90deg,#3b82f6,#4f46e5);
  border:0;
  color:white;
  padding:14px 18px;
  border-radius:14px;
  font-weight:600;
}

.btn-main:hover{
  opacity:0.9;
  color:white;
}

.badge-soft{
  background:#e9f2ff;
  color:#2563eb;
  padding:6px 10px;
  border-radius:10px;
  font-weight:600;
}

.balance-box{
  background:#0f172a;
  color:white;
  padding:10px 14px;
  border-radius:14px;
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
}

.balance-box span{
  font-weight:500;
  opacity:0.8;
  font-size:12px;
}

.tab-btn{
  padding:10px 16px;
  border-radius:14px;
  text-decoration:none;
  font-weight:600;
  color:#334155;
  background:#fff;
  border:1px solid #e5e7eb;
}

.tab-btn.active{
  background:#e9f2ff;
  border-color:#bfdbfe;
  color:#2563eb;
}

.otp-chip{
  background:#eef2ff;
  border:1px solid #c7d2fe;
  padding:8px 12px;
  border-radius:12px;
  font-weight:700;
  display:inline-block;
  margin:4px;
}