body, .login-bg {
    background: #f5f6fa !important;
}
.login-center-wrapper {
    min-height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.login-card {
    width: 100%;
    max-width: 400px;
    border-radius: 18px;
    box-shadow: 0 6px 32px 0 rgba(60,72,88,0.15);
    border: none;
    background: #fff;
}
.card-body {
    padding: 2.5rem 2.5rem 2rem 2.5rem;
}
.login-input {
    border-radius: 8px;
    border: 1px solid #d1d5db;
    font-size: 1.1rem;
    padding: 0.75rem 1rem;
    background: #fff;
    transition: border-color 0.2s;
}
.login-input:focus {
    border-color: #6c63ff;
    box-shadow: 0 0 0 2px #e0e7ff;
}
.login-btn {
    background: #333366;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.15rem;
    font-weight: 500;
    box-shadow: 0 2px 8px 0 rgba(60,72,88,0.10);
    transition: background 0.2s, box-shadow 0.2s;
}
.login-btn:hover, .login-btn:focus {
    background: linear-gradient(90deg, #5a55ae 0%, #6c63ff 100%);
    box-shadow: 0 4px 16px 0 rgba(60,72,88,0.18);
}
.form-check-label {
    user-select: none;
    cursor: pointer;
}
@media (max-width: 768px) {
    .login-card {
        max-width: 95vw;
    }
    .card-body {
        padding: 1.5rem 0.5rem 1.5rem 0.5rem;
    }
}