.game-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: #ffffff;
    border: 2px solid #000000;
    border-radius: 20px;
    box-shadow: 5px 5px 0px #000000;
    text-align: center;
}

body > header {
    padding: 1rem 0;
}

.game-area {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 2rem;
}

.player-section, .ai-section {
    width: 45%;
}

.score {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.choice-card {
    background: #ffffff;
    border: 2px solid #000000;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 5px 5px 0px #000000;
    transition: transform 0.2s, box-shadow 0.2s;
}

.choice-card .icon {
    font-size: 4rem;
}

.controls {
    margin-bottom: 1.5rem;
}

.control-btn {
    font-size: 4rem;
    background: none;
    border: 2px solid #000000;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    cursor: pointer;
    margin: 0 1rem;
    box-shadow: 3px 3px 0px #000000;
    transition: transform 0.2s, box-shadow 0.2s;
}

.control-btn:hover {
    transform: translateY(-3px);
    box-shadow: 6px 6px 0px #000000;
}

#status-message {
    font-size: 1.5rem;
    font-weight: 600;
    min-height: 2.2rem;
}

#result-message {
    font-size: 1.2rem;
    color: #555;
    min-height: 1.8rem;
}

#play-again {
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 3px 3px 0px #000000;
    transition: transform 0.2s, box-shadow 0.2s;
}

#play-again:hover {
    transform: translateY(-3px);
    box-shadow: 6px 6px 0px #000000;
}

.glowing {
    box-shadow: 0 0 20px 5px #feca57, 8px 8px 0px #000000;
    border-color: #feca57;
}