.toast {
    position: fixed;
    right: 20px;
    top: 20px;
    background: #333;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    opacity: 0;
    transition: opacity .4s;
    z-index: 10000;
    max-width: 300px;
}

    .toast.show {
        opacity: 1;
    }

    .toast.success {
        background: #28a745;
    }

    .toast.error {
        background: #dc3545;
    }

.toast-progress {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.6);
    position: absolute;
    bottom: 0;
    left: 0;
}