.plantuml-diagram {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1em 0;
}

.plantuml-error {
    background-color: #fff0f0;
    border-left: 5px solid #ff4d4d;
    padding: 15px;
    color: #b30000;
    font-family: 'Courier New', Courier, monospace;
    margin: 20px 0;
}

.plantuml-error ul {
    margin-top: 10px;
    font-weight: bold;
    list-style: none;
}