body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px;
}
.container {
    display: flex;
    gap: 20px;
}
textarea {
    width: calc(100% - 20px);
    height: 300px;
    margin: 10px 0;
    padding: 10px;
    resize: vertical;
}
.config {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 10px;
    align-items: center;
}
.presets {
    margin: 15px 0;
}
button {
    padding: 8px 16px;
    margin: 5px 5px 5px 0;
    cursor: pointer;
}
.remove-btn {
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
}
.preset-btn {
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
}