/* --- Base --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
}

body {
    background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    color: white;
}

/* --- Container --- */
.container {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 15px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 0 25px rgba(0,0,0,0.5);
    text-align: center;
}

/* --- Titre --- */
h1 {
    font-size: 1.8em;
    margin-bottom: 20px;
    color: #4498db;
}

/* --- Output --- */
.output {
    background: #121212;
    padding: 15px;
    border-radius: 10px;
    font-size: 1.2em;
    margin-bottom: 20px;
    word-wrap: break-word;
    user-select: all;
}

/* --- Options --- */
.options label {
    display: block;
    margin: 10px 0;
    font-size: 1em;
}

input[type="range"] {
    width: 100%;
    margin-top: 5px;
}

/* --- Buttons --- */
.buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

button {
    padding: 12px;
    border: none;
    border-radius: 10px;
    font-size: 1em;
    cursor: pointer;
    background-color: #4498db;
    color: white;
    transition: 0.2s;
}

button:hover {
    background-color: #357cbb;
}

/* --- Responsive --- */
@media (min-width: 600px) {
    .buttons {
        flex-direction: row;
        justify-content: space-between;
    }
}