body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    color: #333;
    padding: 20px;
    box-sizing: border-box;
}

.container {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 100%;
    max-width: 500px;
}

h1 {
    margin-top: 0;
    color: #1c1e21;
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 16px;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-bottom: 20px;
}

    button:hover {
        background-color: #0056b3;
    }

.canvas-wrapper h3 {
    margin-top: 25px;
    margin-bottom: 10px;
    color: #555;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

canvas {
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #fff;
    width: 100%;
    max-width: 360px;
    height: auto;
}

/* Style dla przycisków pobierania */
.button.download-btn {
    display: none; /* Początkowo ukryte */
    margin-top: 10px;
    background-color: #28a745;
    color: white;
    padding: 8px 15px; /* Mniejsze przyciski */
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.3s;
}

    .button.download-btn:hover {
        background-color: #218838;
    }