.toast-container {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px; /* 알림 사이의 간격 */
}

.toast {
    min-width: 250px;
    background-color: #333;
    color: #666666;
    text-align: center;
    border-radius: 5px;
    padding: 16px;
    margin-bottom: 10px;
    font-size: 17px;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    visibility: hidden;
}

.toast.show {
    visibility: visible;
    opacity: 1;
}