.container {
    max-width: 500px;
    width: 100%;
    padding: 2rem;
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-top: 10%;
}

.login-title {
    color: #2c3e50;
    font-weight: bold;
    margin-bottom: 1.5rem;
    text-align: center;
}
.form-label {
    font-size: 1.1rem;
    color: #34495e;
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
}
.form-control {
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 1rem;
}
.text-danger {
    font-size: 0.9rem;
    margin-top: 0.25rem;
}
.btn-custom {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border-radius: 8px;
    margin-top: 0.5rem;
}
hr {
    border-color: #e0e0e0;
}

#form input /* mobile number textbox */
{
    width: 100%;
    height: 40px;
    border-radius: 10px;
    outline: none;
    border: 2px rgb(205, 205, 205) solid;
    padding-right: 10px;
    /* margin-top: 30px;
    margin-bottom: 20px; */
}
#form input:focus /* mobile number textbox when focused */
{
    border: 2px rgb(23, 128, 223) solid;
}

@media (max-width: 576px) {
    .login-container {
        margin: 1rem;
        padding: 1.5rem;
    }
}