body {
    font-family: 'Arial', sans-serif;
    background-color: #f9f9f9;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.game-container {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
    max-width: 600px;
    width: 100%;
    text-align: center;
}

h1 {
    color: #333;
    margin-top: 0;
}

.game-info {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 20px 0;
    font-size: 18px;
    background-color: #f0f0f0;
    padding: 10px;
    border-radius: 5px;
}

.choices {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

.choice-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    font-size: 40px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.choice-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
}

.choice-btn:active {
    transform: scale(0.95);
}

.result {
    margin: 20px 0;
    padding: 15px;
    background-color: #f8f8f8;
    border-radius: 5px;
    min-height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.result p {
    margin: 0;
    font-size: 18px;
}

.game-history {
    margin-top: 20px;
    text-align: left;
}

.game-history h3 {
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}

#history-list {
    list-style-type: none;
    padding: 0;
    max-height: 200px;
    overflow-y: auto;
}

#history-list li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.win {
    color: #4CAF50;
    font-weight: bold;
}

.lose {
    color: #f44336;
    font-weight: bold;
}

.draw {
    color: #FFC107;
    font-weight: bold;
}

button, .back-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover, .back-btn:hover {
    background-color: #45a049;
}

#reset-btn {
    background-color: #f44336;
}

#reset-btn:hover {
    background-color: #d32f2f;
}

/* 添加在现有样式之后 */

.choice-btn.clicked {
    transform: scale(0.9);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.choice-btn.highlight {
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.8);
    background-color: #66BB6A;
}

/* 键盘快捷键提示 */
.key-hint {
    font-size: 14px;
    color: #777;
    margin-top: 5px;
}

/* 响应式调整 */
@media (max-width: 480px) {
    .key-hint {
        display: none;
    }
}