body {
    background: linear-gradient(to right, #2c3e50, #4ca1af);
    font-family: 'Poppins', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.login-container {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 100%;
    max-width: 400px;
}
.login-container h1 {
    font-weight: 600;
    color: #2c3e50;
}
.form-control {
    border-radius: 20px;
}
.btn-custom {
    background: #2c3e50;
    color: white;
    border-radius: 20px;
    font-weight: 600;
    transition: 0.3s ease-in-out;
}
.btn-custom:hover {
    background: #4ca1af;
    color: white;
}
.alert {
    border-radius: 10px;
    font-size: 0.9rem;
    color: red;
}