body {
    font-family: Arial, sans-serif;
    text-align: center;
    background: #f4f6f8;
    margin: 0;
    padding: 20px;
}

h1 {
    margin-bottom: 10px;
}

.visitor-text {
    max-width: 700px;
    margin: 0 auto 20px auto;
    background: white;
    padding: 12px;
    border-radius: 8px;
}

.player-box {
    margin: 15px 0;
}

input, button {
    padding: 10px;
    margin: 5px;
    font-size: 16px;
}

.info {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-weight: bold;
}

#gameBoard {
    width: 600px;
    height: 350px;
    background: white;
    border: 3px solid #333;
    margin: 20px auto;
    position: relative;
    overflow: hidden;
}

#player {
    width: 40px;
    height: 40px;
    position: absolute;
    left: 20px;
    top: 150px;
    font-size: 32px;
}

#receiver {
    width: 45px;
    height: 45px;
    position: absolute;
    right: 20px;
    top: 150px;
    font-size: 36px;
}

.noise {
    width: 45px;
    height: 45px;
    background: crimson;
    position: absolute;
    border-radius: 50%;
}

.noise::after {
    content: "!";
    color: white;
    font-size: 28px;
    font-weight: bold;
    line-height: 45px;
}

table {
    margin: 20px auto;
    border-collapse: collapse;
    width: 700px;
    background: white;
}

th, td {
    border: 1px solid #ccc;
    padding: 10px;
}

th {
    background: #333;
    color: white;
}