/* 响应式设计 */

/* 大屏幕 (桌面) */
@media (min-width: 1200px) {
    .game-container {
        max-width: 700px;
    }
    
    #game-canvas {
        width: 500px;
        height: 500px;
    }
    
    .game-header h1 {
        font-size: 3em;
    }
}

/* 中等屏幕 (平板) */
@media (max-width: 1199px) and (min-width: 769px) {
    .game-container {
        max-width: 600px;
        padding: 25px;
    }
    
    #game-canvas {
        width: 450px;
        height: 450px;
    }
    
    .game-header h1 {
        font-size: 2.5em;
    }
}

/* 小屏幕 (手机) */
@media (max-width: 768px) {
    body {
        padding: 10px;
        align-items: flex-start;
        padding-top: 20px;
    }
    
    .game-container {
        padding: 20px;
        width: 100%;
        max-width: none;
        margin: 0;
    }
    
    .game-header h1 {
        font-size: 2em;
        margin-bottom: 15px;
    }
    
    .game-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
        padding: 12px;
        font-size: 16px;
    }
    
    #game-canvas {
        width: 100%;
        max-width: 350px;
        height: 350px;
    }
    
    .game-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .score-display {
        font-size: 1.3em;
    }
    
    .game-status {
        font-size: 1em;
        padding: 6px 12px;
    }
    
    /* 模态框响应式 */
    .modal-content {
        padding: 20px;
        width: 95%;
    }
    
    .modal-header h3 {
        font-size: 1.5em;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    /* 排行榜响应式 */
    .leaderboard-modal {
        padding: 20px;
        width: 95%;
        max-height: 90vh;
    }
    
    .leaderboard-header h2 {
        font-size: 1.5em;
    }
    
    .leaderboard-item {
        padding: 12px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .leaderboard-rank {
        font-size: 1.8em;
        width: auto;
    }
    
    .leaderboard-info {
        margin-left: 0;
    }
    
    .leaderboard-name {
        font-size: 1.1em;
    }
    
    .leaderboard-score {
        font-size: 1.5em;
    }
    
    .leaderboard-actions {
        flex-direction: column;
    }
    
    .leaderboard-actions .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    /* 游戏结束屏幕响应式 */
    .game-over-content {
        padding: 25px;
        width: 95%;
    }
    
    .game-over-content h2 {
        font-size: 1.8em;
    }
    
    .final-score {
        font-size: 1.5em;
    }
    
    .game-over-actions {
        flex-direction: column;
    }
    
    .game-over-actions .btn {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* 超小屏幕 */
@media (max-width: 480px) {
    .game-container {
        padding: 15px;
    }
    
    .game-header h1 {
        font-size: 1.8em;
    }
    
    #game-canvas {
        max-width: 300px;
        height: 300px;
    }
    
    .score-display {
        font-size: 1.2em;
    }
    
    .btn {
        padding: 10px;
        font-size: 14px;
    }
    
    .modal-content {
        padding: 15px;
    }
    
    .leaderboard-modal {
        padding: 15px;
    }
    
    .game-over-content {
        padding: 20px;
    }
}

/* 横屏模式优化 */
@media (max-height: 600px) and (orientation: landscape) {
    body {
        align-items: flex-start;
        padding-top: 10px;
    }
    
    .game-container {
        padding: 15px;
    }
    
    .game-header {
        margin-bottom: 15px;
    }
    
    .game-header h1 {
        font-size: 1.8em;
        margin-bottom: 10px;
    }
    
    .game-area {
        margin: 15px 0;
    }
    
    #game-canvas {
        max-width: 300px;
        height: 300px;
    }
    
    .game-info {
        gap: 20px;
    }
    
    .modal-content,
    .leaderboard-modal,
    .game-over-content {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px; /* 确保触摸目标足够大 */
        min-width: 44px;
        padding: 12px 16px;
        font-size: 16px;
        margin: 8px 4px;
        border-radius: 8px;
        /* 触摸反馈效果 */
        transition: all 0.2s ease;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    }
    
    .btn:active {
        transform: scale(0.95);
        background-color: var(--primary-dark, #0056b3);
    }
    
    .btn-secondary:active {
        background-color: var(--secondary-dark, #545b62);
    }
    
    .btn-danger:active {
        background-color: var(--danger-dark, #c82333);
    }
    
    .leaderboard-item {
        min-height: 60px;
        padding: 16px;
        margin: 8px 0;
        border-radius: 8px;
        /* 触摸反馈 */
        transition: all 0.2s ease;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
    }
    
    .leaderboard-item:active {
        transform: scale(0.98);
        background-color: var(--bg-secondary, #f8f9fa);
    }
    
    .suggestion-item {
        min-height: 44px;
        padding: 12px 16px;
        margin: 4px 0;
        border-radius: 6px;
        /* 触摸反馈 */
        transition: all 0.2s ease;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
    }
    
    .suggestion-item:active {
        transform: scale(0.97);
        background-color: var(--primary-light, #e3f2fd);
    }
    
    .input-field {
        min-height: 44px;
        padding: 12px 16px;
        font-size: 16px; /* 防止 iOS 缩放 */
        border-radius: 8px;
        margin: 8px 0;
    }
    
    /* 游戏控制按钮特殊优化 */
    .game-controls .btn {
        min-height: 50px;
        min-width: 120px;
        font-size: 18px;
        font-weight: 600;
        margin: 10px 8px;
    }
    
    /* 模态框按钮优化 */
    .modal-actions .btn {
        min-height: 48px;
        padding: 14px 20px;
        margin: 8px 0;
        font-size: 16px;
    }
    
    /* 排行榜操作按钮优化 */
    .leaderboard-actions .btn {
        min-height: 46px;
        padding: 12px 18px;
        margin: 6px 4px;
    }
    
    /* 关闭按钮优化 */
    .close-btn {
        min-height: 44px;
        min-width: 44px;
        padding: 10px;
        border-radius: 50%;
        font-size: 20px;
        line-height: 1;
    }
    
    .close-btn:active {
        transform: scale(0.9);
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    #game-canvas {
        border-width: 4px;
    }
    
    .leaderboard-item {
        border: 1px solid var(--border-dark);
    }
    
    .input-field {
        border-width: 3px;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .btn:hover {
        transform: none;
    }
    
    .leaderboard-item:hover {
        transform: none;
    }
}

/* 移动端方向变化适配 */
.orientation-portrait {
    /* 竖屏模式样式 */
}

.orientation-landscape {
    /* 横屏模式样式 */
}

.orientation-portrait .game-container {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 20px 15px;
}

.orientation-landscape .game-container {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 15px 20px;
}

.orientation-landscape .game-header {
    margin-bottom: 10px;
}

.orientation-landscape .game-header h1 {
    font-size: 1.6em;
    margin-bottom: 8px;
}

.orientation-landscape #game-canvas {
    max-width: 280px;
    height: 280px;
}

.orientation-landscape .game-info {
    flex-direction: row;
    gap: 15px;
    margin: 10px 0;
}

.orientation-landscape .game-controls {
    flex-direction: row;
    gap: 8px;
    margin: 10px 0;
}

.orientation-landscape .game-controls .btn {
    min-height: 40px;
    min-width: 100px;
    font-size: 14px;
    padding: 8px 12px;
    margin: 4px;
}

/* 移动端特定的触摸优化 */
@media (max-width: 768px) {
    /* 防止触摸时的高亮效果 */
    * {
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        -khtml-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    
    /* 允许文本输入框选择 */
    input, textarea {
        -webkit-user-select: text;
        -khtml-user-select: text;
        -moz-user-select: text;
        -ms-user-select: text;
        user-select: text;
    }
    
    /* 游戏画布触摸优化 */
    #game-canvas {
        touch-action: none;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
    }
    
    /* 移动端字体大小优化 */
    .score-display {
        font-size: 1.4em;
        font-weight: 600;
        margin: 12px 0;
    }
    
    .game-status {
        font-size: 1.1em;
        padding: 8px 16px;
        border-radius: 20px;
        margin: 8px 0;
    }
    
    /* 移动端模态框优化 */
    .modal-content {
        border-radius: 12px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
    
    .modal-header {
        padding: 20px 20px 10px;
    }
    
    .modal-body {
        padding: 10px 20px 20px;
    }
    
    .modal-actions {
        padding: 10px 20px 20px;
        gap: 12px;
    }
    
    /* 排行榜移动端优化 */
    .leaderboard-modal {
        border-radius: 12px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
    
    .leaderboard-header {
        padding: 20px 20px 15px;
        border-bottom: 2px solid var(--border-light, #e9ecef);
    }
    
    .leaderboard-list {
        padding: 15px 20px;
        max-height: 60vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .leaderboard-item {
        border-radius: 10px;
        margin: 8px 0;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .leaderboard-rank {
        font-size: 1.6em;
        font-weight: 700;
        min-width: 50px;
    }
    
    .leaderboard-name {
        font-size: 1.2em;
        font-weight: 600;
    }
    
    .leaderboard-score {
        font-size: 1.4em;
        font-weight: 700;
        color: var(--primary, #007bff);
    }
    
    /* 游戏结束屏幕移动端优化 */
    .game-over-content {
        border-radius: 12px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
    
    .game-over-content h2 {
        font-size: 2em;
        margin-bottom: 15px;
        color: var(--danger, #dc3545);
    }
    
    .final-score {
        font-size: 1.8em;
        font-weight: 700;
        color: var(--primary, #007bff);
        margin: 15px 0;
    }
    
    .game-over-actions {
        gap: 12px;
        margin-top: 20px;
    }
}

/* 打印样式 */
@media print {
    body {
        background: white;
    }
    
    .game-container {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .btn,
    .game-over-screen,
    .modal-overlay,
    .leaderboard-container {
        display: none !important;
    }
    
    #game-canvas {
        border: 2px solid #000;
    }
}