body {
    font-family: 'Segoe UI', sans-serif;
    background: #f2f2f2;
    margin: 0;
    padding: 20px;
    user-select: none;
}

.container {
    max-width: 800px;
    margin: auto;
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

h1 {
    margin-bottom: 20px;
    color: #444;
}

.image-container img {
    max-width: 100%;
    border: 1px solid #ccc;
    border-radius: 8px;
    pointer-events: none;
    /* Desactiva arrastrar imagen */
}

.controls {
    margin-top: 20px;
}

.controls button,
.controls select {
    padding: 10px 15px;
    margin: 0 5px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
}

.controls select {
    background-color: #fff;
    color: #333;
    border: 2px solid #4CAF50;
}

.controls button:hover {
    background-color: #45a049;
}

@media print {
    body {
        display: none !important;
    }
}