html, body {
  height: 100%;
}

body {
    font-family: 'Arial', sans-serif;
    text-align: center;
    background-color: #000;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    margin: 20px auto;
    padding: 20px;
    max-width: 600px;
    background-color: #fff;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

h1 {
    font-size: 36px;
    color: #FF0000;
    margin-bottom: 20px;
}

.choices {
    display: flex;
    justify-content: space-around;
    margin: 20px 0;
}

.choice-images {
    display: flex;
    align-items: center;
    justify-content: center;
}

#player-choice-content {
    display: flex;
    align-items: center;
    justify-content: center;
}

.choice {
    padding: 15px 30px;
    background-color: #008000;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 20px;
    transition: background-color 0.3s ease;
}

.choice:hover {
    background-color: #0056b3;
}

.result {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-top: 20px;
}

.score {
    font-size: 20px;
    color: #555;
    margin-top: 20px;
}

#user-score, #computer-score {
    font-weight: bold;
    color: #007BFF;
}

.restart-button {
    display: none;
    background-color: #0056b3;
    color: #fff;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 20px;
    cursor: pointer;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}

.restart-button:hover {
    background-color: #660099;
}

.result:hover {
    color: #0056b3;
}

.choice-image {
    width: 45%; 
}

#score-settings {
    margin: 20px auto;
    text-align: center;
    font-family: monospace;
    color: #222;
}

#score-settings label {
    font-weight: bold;
    margin-right: 10px;
    font-size: 18px;
}

#target-score {
    width: 60px;
    font-size: 16px;
    padding: 6px 8px;
    border: 2px solid #999;
    border-radius: 6px;
    background-color: #111;
    color: #fff;
    text-align: center;
    outline: none;
    transition: border-color 0.3s;
}

#target-score:focus {
    border-color: #ddd;
    background-color: #222;
}

#start-game-btn {
    margin-left: 12px;
    margin-top: 12px;
    padding: 8px 16px;
    font-size: 16px;
    font-family: monospace;
    background-color: #ffbf00;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: #000;
    transition: background-color 0.3s;
}

#start-game-btn:hover {
    background-color: #cc8c00;
}

.choices, .score, .result {
    display: none;
}

.active {
    display: block !important;
}