body {
    font-family: 'Roboto', sans-serif;
    background-color: #eef2f7;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.4em;
    font-weight: bold;
    color: #2980b9;
    text-align: center;
    margin: 20px 0;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    line-height: 1.2;
}

h2 {
    font-size: 1.6em;
    text-align: left;
    color: #2c3e50;
    margin: 20px 0;
    line-height: 1.6;
    background-color: #f4f6f9;
    padding: 15px;
    border-left: 5px solid #3498db;
    border-radius: 3px;
}

h3 {
    font-size: 1.4em;
    font-weight: normal;
    color: #34495e;
    text-align: left;
    margin: 20px 0;
    line-height: 1.6;
    background-color: #fff;
    padding: 15px;
    border-left: 4px solid #3498db;
    border-radius: 3px;
}


p, .liste {
    font-size: 1.1em;
    line-height: 1.6;
    margin: 10px 0;
}

img {
    display: block;
    max-width: 80%;
    height: auto;
    margin: 30px auto;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}


#pasteArea {
    border: 2px dashed #95a5a6;
    background-color: #fff;
    padding: 25px;
    min-height: 140px;
    margin-bottom: 30px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#controlPanel {
    background-color: #f7f9fc;
    padding: 20px;
    border: 1px solid #dfe4ea;
    border-radius: 5px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

#controlPanel label {
    font-weight: bold;
    margin: 0;
}

#numberInput {
    width: 80px;
    padding: 8px;
    border: 1px solid #bdc3c7;
    border-radius: 3px;
}

#saveButton,
#copyButton {
    padding: 10px 20px;
    border: none;
    border-radius: 3px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#saveButton {
    background-color: #3498db;
    color: #fff;
}

#saveButton:hover {
    background-color: #2980b9;
}

#copyButton {
    background-color: #2ecc71;
    color: #fff;
    display: block;
    margin: 0 auto;
}

#copyButton:hover {
    background-color: #27ae60;
}

#resultsContainer {
    background-color: #fff;
    padding: 20px;
    border: 1px solid #bdc3c7;
    border-radius: 5px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}