/* 响应式设计 */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
    .main-content {
        padding: 1.5rem;
    }
    
    .goals-container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 0.75rem;
    }
    
    .goal-card {
        padding: 0.75rem;
        max-height: 550px;
    }
    
    .nav-container {
        padding: 1rem 1.5rem;
    }
}

/* 手机设备 (< 768px) */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-title {
        font-size: 1.3rem;
    }
    
    .nav-buttons {
        width: 100%;
        justify-content: center;
    }
    
    .nav-btn {
        flex: 1;
        text-align: center;
        padding: 0.75rem 0.5rem;
        font-size: 0.8rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .page-header h2 {
        font-size: 1.5rem;
        text-align: center;
    }
    
    .header-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    /* 目标卡片移动端优化 */
    .goals-container {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .goal-card {
        padding: 0.75rem;
        max-height: 500px;
    }
    
    .goal-card {
        padding: 1.25rem;
    }
    
    .goal-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    
    .goal-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .goal-actions .btn {
        flex: 1;
        justify-content: center;
        padding: 0.75rem 0.5rem;
        font-size: 0.75rem;
    }
    
    /* 筛选栏移动端优化 */
    .filter-bar {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.75rem;
    }
    
    .filter-btn {
        flex: 1;
        text-align: center;
        min-width: 70px;
        padding: 0.75rem 0.5rem;
    }
    
    /* 模态框移动端优化 */
    .modal {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }
    
    .modal-footer {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .modal-footer .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* 按钮移动端优化 */
    .btn {
        min-height: 44px; /* 触摸友好的最小尺寸 */
        padding: 0.75rem 1rem;
    }
    
    /* 表单移动端优化 */
    .form-input,
    .form-textarea,
    .form-select {
        padding: 1rem;
        font-size: 16px; /* 防止iOS缩放 */
    }
    
    /* 拖拽手柄移动端优化 */
    .drag-handle {
        font-size: 1.5rem;
        padding: 0.5rem;
        top: 0.5rem;
        right: 0.5rem;
    }
    
    /* 任务列表移动端优化 */
    .task-list-container {
        margin: 0.5rem 0;
        padding-top: 0.5rem;
    }
    
    .task-list-header {
        font-size: 0.8rem;
        margin-bottom: 0.4rem;
    }
    
    .task-list {
        max-height: 200px; /* 移动端适中的高度 */
    }
    
    .task-item {
        padding: 0.4rem 0.35rem;
    }
    
    .task-checkbox-wrapper {
        font-size: 0.75rem;
        gap: 0.3rem;
        line-height: 1.1;
    }
    
    .task-checkbox {
        width: 16px;
        height: 16px;
        margin-top: 1px;
    }
    
    .task-deadline {
        margin-left: 1rem;
        font-size: 0.65rem;
    }
}

/* 超小屏幕设备 (< 480px) */

/* 超小屏幕设备 (< 480px) */
@media (max-width: 480px) {
    .nav-container {
        padding: 0.75rem;
    }
    
    .nav-title {
        font-size: 1.1rem;
    }
    
    .nav-btn {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
    }
    
    .main-content {
        padding: 0.75rem;
    }
    
    .goal-card {
        padding: 1rem;
    }
    
    .goal-title {
        font-size: 1.1rem;
    }
    
    .goal-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .goal-actions .btn {
        width: 100%;
    }
    
    .filter-bar {
        padding: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
    }
}

/* 触摸设备特定样式 */
@media (hover: none) and (pointer: coarse) {
    /* 移除hover效果，使用active状态 */
    .goal-card:hover {
        transform: none;
        box-shadow: var(--shadow);
    }
    
    .goal-card:active {
        transform: scale(0.98);
    }
    
    .btn:hover {
        transform: none;
    }
    
    .btn:active {
        transform: scale(0.95);
    }
    
    /* 增加触摸目标大小 */
    .nav-btn,
    .filter-btn,
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* 拖拽提示 */
    .goal-card::before {
        content: "长按拖拽排序";
        position: absolute;
        top: -30px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--text-primary);
        color: white;
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
        font-size: 0.7rem;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s;
    }
    
    .goal-card.drag-hint::before {
        opacity: 1;
    }
}

/* 横屏模式优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .nav-container {
        flex-direction: row;
        padding: 0.5rem 1rem;
    }
    
    .nav-buttons {
        width: auto;
    }
    
    .nav-btn {
        padding: 0.5rem 1rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .goals-container {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }

    /* 日历页面横屏优化 */
    .calendar-legend {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .stats-charts {
        grid-template-columns: 1fr;
    }
}

/* 日历页面移动端优化 */
@media (max-width: 768px) {
    .calendar-header {
        padding: 0.75rem;
    }

    .calendar-header h3 {
        font-size: 1.2rem;
    }

    .weekday {
        padding: 0.75rem 0.25rem;
        font-size: 0.9rem;
    }

    .calendar-day {
        min-height: 60px;
        padding: 0.25rem;
    }

    .day-number {
        font-size: 0.9rem;
    }

    .task-count {
        width: 16px;
        height: 16px;
        font-size: 0.7rem;
    }

    .calendar-legend {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0.75rem;
    }

    .legend-item {
        justify-content: center;
    }

    .date-details {
        padding: 1rem;
    }

    /* 统计页面移动端优化 */
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stats-charts {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .chart-section {
        padding: 1rem;
    }

    .progress-header,
    .distribution-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .task-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .recent-tasks-section {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .calendar-day {
        min-height: 50px;
    }

    .weekday {
        padding: 0.5rem 0.1rem;
        font-size: 0.8rem;
    }

    .stats-cards {
        grid-template-columns: 1fr;
    }

    .calendar-legend {
        padding: 0.5rem;
    }

    .legend-item {
        font-size: 0.8rem;
    }

    /* 开发者工具移动端优化 */
    .dev-tools {
        bottom: 10px;
        right: 10px;
    }

    .dev-toggle {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    .dev-panel {
        bottom: 55px;
        right: -10px;
        min-width: 200px;
        max-width: calc(100vw - 40px);
    }

    .dev-buttons .btn {
        font-size: 0.75rem;
        padding: 0.4rem 0.6rem;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .goal-card {
        border: 0.5px solid var(--border-color);
    }
    
    .btn {
        border-width: 0.5px;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .header-actions,
    .goal-actions,
    .filter-bar,
    .modal-overlay {
        display: none !important;
    }
    
    .main-content {
        padding: 0;
        max-width: none;
    }
    
    .goal-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--border-color);
        margin-bottom: 1rem;
    }
    
    .goals-container {
        grid-template-columns: 1fr;
    }
}