.bca-container {
    max-width: 100%;
    padding: 20px;
    background: #f2f2f2;
    border-radius: 12px;
    box-sizing: border-box;
}

.bca-header {
    background: #e0e0e0;
    padding: 15px;
    text-align: center;
    font-size: 20px;
    color: #222;
    border-radius: 10px;
    margin-bottom: 15px;
}

.bca-upload {
    text-align: center;
    margin-bottom: 15px;
}

.bca-canvas-wrapper {
    width: 100%;
    overflow: hidden;
    text-align: center;
}

canvas {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.bca-controls {
    margin-top: 15px;
}

.bca-controls label {
    display: block;
    margin-top: 10px;
    color: #222;
}

.bca-controls input[type=range] {
    width: 100%;
}

.bca-buttons {
    margin-top: 15px;
    text-align: center;
}

.bca-buttons button {
    background: #00e5ff;
    border: none;
    padding: 10px 20px;
    margin: 5px;
    border-radius: 8px;
    cursor: pointer;
    color: #000;
    font-weight: bold;
    transition: 0.3s;
}

.bca-buttons button:hover {
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .bca-header {
        font-size: 18px;
    }
}