.fcv-controls {
    margin: 10px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}
.fcv-btn, .fcv-color-btn {
    padding: 8px 12px;
    border: none;
    cursor: pointer;
    font-weight: bold;
}
.fcv-btn {
    background-color: pink;
    color: #000;
}
.fcv-color-btn[data-color="black"] { background-color: black; color: white; }
.fcv-color-btn[data-color="blue"] { background-color: #2196F3; color: white; }
.fcv-color-btn[data-color="green"] { background-color: #4CAF50; color: white; }
.fcv-color-btn[data-color="red"] { background-color: #B71C1C; color: white; }