/* Container */
.tool-container { max-width: 800px; margin: auto; padding: 20px; }

/* Buttons */
.btn { background: #4CAF50; color: white; padding: 10px 20px; border: none; cursor: pointer; border-radius: 5px; }
.btn:hover { background: #45a049; }

/* Inputs */
input[type="number"], input[type="file"] { padding: 8px; width: 100%; margin-bottom: 15px; border-radius: 4px; border: 1px solid #ccc; }

/* Image Preview */
.preview { max-width: 100%; height: auto; margin-top: 10px; border: 1px solid #ccc; padding: 5px; }