.custom-alert {
    position: relative;
    padding: 1rem 2.5rem 1rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-family: inherit;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: opacity 0.3s;
    margin-top: 10px;
}
.custom-alert.alert-success {
    background-color: #e6f7ee;
    color: #156A6B;
    border-color: #156A6B;
}
.custom-alert.alert-danger {
    background-color: #fbeaea;
    color: #b91c1c;
    border-color: #b91c1c;
}
.custom-alert .close-alert {
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: inherit;
    cursor: pointer;
    line-height: 1;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.custom-alert .close-alert:hover {
    opacity: 1;
}