body {
    background-image: url('../images/bg.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    min-height: 100vh;
}
.form-control{
    border:1px solid #DDD;
}
.login-box {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
}
.login-title {
    font-weight: 600;
    margin-bottom: 30px;
    color: #2c5364;
}
.btn-primary {
    background-color: #2c5364;
    border-color: #2c5364;
}
.btn-primary:hover {
    background-color: #203a43;
    border-color: #203a43;
}