body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1e1e1e;
    color: #f0f0f0;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
}

h1 {
    margin-bottom: 50px;
}

.buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 300px;
    margin: 0 auto;
}

.btn {
    padding: 20px;
    font-size: 1.5rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn--gray {
    background-color: #808080;
    color: white;
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.viewer {
    background-color: #007bff;
    color: white;
}

.player {
    background-color: #28a745;
    color: white;
}

.dealer {
    background-color: #dc3545;
    color: white;
}