.alert-container {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 9999;
}

.alert {
    min-width: 250px;
    padding: 12px 18px;
    margin: 6px 0;
    border-radius: 8px;
    background-color: #f0f0f0;
    color: #333;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    opacity: 1;
    transition: opacity 1s ease;
    text-align: center;
}

.alert.success {
    background-color: #d4edda;
    color: #155724;
}

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
}

.alert.hide {
    opacity: 0;
}