* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
    font-family: 'Arial', sans-serif;
    padding: 20px;
}

.game-container {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 100%;
}

.game-header {
    margin-bottom: 20px;
}

.info-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}

.info-item {
    background: linear-gradient(145deg, #e6e6e6, #ffffff);
    padding: 8px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.info-label {
    color: #666;
    font-size: 0.9em;
    margin-right: 5px;
}

.game-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

#gameCanvas {
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.8);
}

.button-container {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.crystal-button {
    background: linear-gradient(145deg, #6a11cb, #2575fc);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.crystal-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.mobile-controls {
    display: none;
    margin-top: 20px;
}

.control-row {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 5px 0;
}

.control-button {
    width: 50px;
    height: 50px;
    background: linear-gradient(145deg, #6a11cb, #2575fc);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s;
}

.control-button:active {
    transform: scale(0.95);
}


/* 移动端适配 */

@media (max-width: 768px) {
    .game-container {
        padding: 10px;
    }
    .mobile-controls {
        display: block;
    }
    #gameCanvas {
        width: 100%;
        height: auto;
    }
    .info-panel {
        grid-template-columns: repeat(2, 1fr);
    }
    .crystal-button {
        padding: 6px 12px;
        font-size: 12px;
    }
}


/* 暗色主题支持 */

@media (prefers-color-scheme: dark) {
    .game-container {
        background: rgba(30, 30, 30, 0.9);
    }
    .info-item {
        background: linear-gradient(145deg, #2a2a2a, #3a3a3a);
        color: #fff;
    }
    .info-label {
        color: #aaa;
    }
}