body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #111;
    color: #fff;
    text-align: center;
}

.container {
    padding: 40px;
    max-width: 800px;
    margin: auto;
}

input, button {
    padding: 15px;
    font-size: 20px;
    margin: 10px;
    width: 80%;
    border: none;
    border-radius: 10px;
}

button {
    background: #28a745;
    color: white;
    cursor: pointer;
}

button:hover {
    background: #218838;
}

.logo {
    width: 200px;
    margin-bottom: 20px;
}

.winner-box {
    background: #222;
    padding: 30px;
    border-radius: 20px;
    margin-top: 40px;
    font-size: 24px;
    box-shadow: 0 0 30px rgba(0,255,0,0.3);
}