#login-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    border-radius: 0.75rem;
    z-index: 1001;
    padding: 28px 32px;
    width: calc(100vw - 2.5rem);
    max-width: 22rem;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.2);
}

#login-popup .popup-content {
    text-align: center;
}

#login-popup .btn {
    margin: 10px;
}

#login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.32);
    z-index: 1000;
    display: none;
}

#login-overlay.is-visible {
    display: block;
}