body {
        font-family: Arial, sans-serif;
        background: #f4f4f4;
        display: flex;
        justify-content: center;
        padding: 30px;
    }

    .container {
        background: white;
        padding: 25px;
        border-radius: 10px;
        width: 400px;
        box-shadow: 0 0 10px rgba(0,0,0,0.1);
    }

    h2 {
        text-align: center;
    }

    input, select, button {
        width: 100%;
        padding: 10px;
        margin-top: 10px;
        box-sizing: border-box;
    }

    button {
        background: #e1306c;
        color: white;
        border: none;
        cursor: pointer;
    }

    button:hover {
        background: #c6285c;
    }

    .result {
        margin-top: 20px;
        padding: 15px;
        border-radius: 8px;
        font-weight: bold;
        text-align: center;
    }

    .real {
        background: #d4edda;
        color: #155724;
    }

    .fake {
        background: #f8d7da;
        color: #721c24;
    }