/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #0f0f1a;
    color: #e0e0e0;
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
}

.game-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: #0f0f1a;
}

.canvas-container {
    position: relative;
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #1a1a2e 0%, #0f0f1a 100%);
}

#gameCanvas {
    border: 1px solid rgba(120, 50, 255, 0.3);
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(120, 50, 255, 0.1);
    background-color: #121225;
}

/* 信息栏样式 */
.game-info-bar {
    background-color: rgba(18, 18, 37, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(120, 50, 255, 0.2);
}

.score-card, .highscore-card {
    border-radius: 8px;
    transition: all 0.2s ease;
}

.score-card:hover, .highscore-card:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.1);
}

/* 按钮样式 */
#startBtn, #pauseBtn, #restartBtn {
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

#startBtn:hover, #pauseBtn:hover, #restartBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .game-info-bar {
        flex-direction: column;
        gap: 10px;
        padding: 10px;
    }
    .score-display, .game-controls {
        width: 100%;
        justify-content: center;
    }
    .game-controls {
        flex-wrap: wrap;
    }
}