body {
    margin: 0;
    font-family: Arial, sans-serif;
}

.rf-container {
    background: #f2f2f2;
    padding: 20px;
    max-width: 100%;
    text-align: center;
}

.rf-header {
    background: #7df9ff;
    color: #111;
    padding: 15px;
    font-size: 24px;
    font-weight: bold;
    border-radius: 8px;
}

.rf-upload-area {
    border: 2px dashed #ccc;
    padding: 30px;
    margin: 20px 0;
    cursor: pointer;
    border-radius: 10px;
    background: #fff;
}

.rf-controls button,
.rf-actions button {
    background: #7df9ff;
    border: none;
    padding: 10px 15px;
    margin: 5px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

.rf-controls button:hover,
.rf-actions button:hover {
    background: #5de0e6;
}

.rf-controls input {
    padding: 8px;
    width: 80px;
    margin: 5px;
}

.rf-preview {
    margin-top: 20px;
}

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

.rf-loader {
    display: none;
    margin-top: 10px;
    color: #333;
}

@media (max-width: 768px) {
    .rf-controls {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
}