body {
            font-family: Arial, sans-serif;
            background: #0f172a;
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
        }

        .container {
            background: #1e293b;
            padding: 30px;
            border-radius: 10px;
            width: 500px;
            text-align: center;
        }

        textarea {
            width: 100%;
            height: 120px;
            margin: 10px 0;
            padding: 10px;
            border-radius: 5px;
            border: none;
        }

        input {
            width: 80px;
            padding: 5px;
            margin: 10px;
            border-radius: 5px;
            border: none;
        }

        button {
            padding: 10px;
            margin: 5px;
            border: none;
            border-radius: 5px;
            background: #3b82f6;
            color: white;
            cursor: pointer;
        }

        button:hover {
            background: #2563eb;
        }

        #resultat {
            margin-top: 15px;
            padding: 10px;
            background: #0f172a;
            border-radius: 5px;
            min-height: 50px;
            word-break: break-all;
        }

        .buttons {
            margin: 15px 0;
        }
    </style>