/* 移动端优化CSS */

/* 移动端性能优化 */
@media (max-width: 768px) {
    /* 减少动画和过渡效果以提升性能，但保持spinner正常转速 */
    *, *::before, *::after {
        animation-duration: 0.3s !important;
        transition-duration: 0.3s !important;
    }

    /* 保持spinner转圈图标的正常转速 */
    .spinner-border,
    .loading-spinner,
    .fa-spinner,
    .fas.fa-spinner,
    [class*="fa-spinner"] {
        animation-duration: 1s !important;
    }
    
    /* 优化字体渲染 */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeSpeed;
    }
    
    /* 减少重绘和回流 */
    .card {
        will-change: auto;
        transform: translateZ(0);
    }
    
    /* 优化滚动性能 */
    .container {
        -webkit-overflow-scrolling: touch;
        overflow-scrolling: touch;
    }
    
    /* 移动端触摸优化 */
    .btn, .form-control, .form-select {
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* 减少移动端的视觉复杂度 */
    .shadow-hover {
        box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
    }
    
    /* 优化移动端布局 */
    .search-container {
        padding: 1px;
    }

    .card {
        margin-bottom: 12px;
        border-radius: 8px;
    }

    .card-body {
        padding: 12px;
    }

    /* 移动端标题优化 */
    .card-title {
        margin-bottom: 0.75rem !important;
        font-size: 1.4rem;
    }

    /* 移动端描述文字优化 */
    .card-body > p {
        margin-bottom: 0.75rem !important;
    }
    
    /* 移动端按钮优化 */
    .btn-lg {
        padding: 12px 20px;
        font-size: 16px;
    }

    /* 移动端获取资源按钮加载状态优化 */
    .btn-loading-background {
        background: linear-gradient(135deg, #4a6bff 0%, #2563eb 100%) !important;
        border: 2px solid #3b82f6 !important;
        box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3) !important;
    }

    /* 移动端按钮文字清晰度增强 */
    .btn-loading-background,
    .btn-loading-background *,
    .btn-loading-background i,
    .btn-loading-background span,
    .btn-loading-background .loading-text {
        color: #ffffff !important;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4) !important;
        font-weight: 700 !important;
        -webkit-font-smoothing: antialiased !important;
        -moz-osx-font-smoothing: grayscale !important;
    }

    /* 移动端按钮加载动画优化 */
    .btn-loading-background .fa-spinner {
        color: #ffffff !important;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4) !important;
        filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
    }
    
    /* 移动端表单优化 */
    .form-control, .form-select {
        font-size: 16px; /* 防止iOS缩放 */
        padding: 12px 15px;
    }
    
    /* 移动端快速导航按钮 */
    .quick-nav-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
    }

    .quick-nav-btn {
        flex: 1;
        min-width: 100px;
        padding: 8px 12px;
        font-size: 14px;
    }

    /* 移动端搜索统计信息横向排列 */
    .search-stats-mobile {
        display: flex !important;
        justify-content: space-around;
        align-items: center;
        flex-wrap: nowrap;
        gap: 5px;
        margin-top: 0.75rem !important;
        margin-bottom: 0.5rem !important;
    }

    .search-stats-mobile .col-md-4 {
        flex: 1;
        min-width: 0;
        padding: 0 5px;
    }

    .search-stats-mobile .d-flex {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 8px 4px;
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.7);
        backdrop-filter: blur(5px);
        border: 1px solid rgba(0, 0, 0, 0.05);
    }

    .search-stats-mobile .text-muted {
        font-size: 0.75rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        margin: 0;
        line-height: 1.2;
    }

    .search-stats-mobile i {
        font-size: 1rem;
        margin-bottom: 2px;
        margin-right: 0 !important;
    }

    /* 移动端搜索表单优化 - 紧凑布局 */
    .search-form-compact .row.g-3 {
        gap: 0.75rem !important;
        margin-bottom: 0.5rem !important;
    }

    /* 减少搜索表单和统计信息之间的间距 */
    .search-form-compact + .search-stats-mobile {
        margin-top: 0.5rem !important;
    }

    /* 移动端网盘选择器和搜索按钮紧贴 */
    @media (max-width: 768px) {
        /* 移动端搜索表单整体优化 - 紧凑布局 */
        .search-form-compact .row.g-3 {
            margin-top: 0.25rem;
            margin-bottom: 0.25rem;
            gap: 0.5rem !important;
        }

        .search-form-compact .col-md-3 {
            margin-bottom: 0.5rem;
            padding-left: 0.25rem;
            padding-right: 0.25rem;
        }

        .search-form-compact .col-md-3:last-child {
            margin-bottom: 0;
        }

        /* 移动端表单标签优化 */
        .search-form-compact .form-label {
            font-size: 0.85rem;
            margin-bottom: 0.25rem;
        }

        /* 移动端按钮保持正常大小 */
        .search-form-compact #searchBtn {
            font-size: 1rem;
        }

        .search-form-compact #searchBtn .btn-text {
            font-size: 1rem;
        }

        .search-form-compact #searchBtn i {
            font-size: 0.9rem;
        }

        /* 紧凑布局：减少各元素间距 */
        .search-container .card-body {
            padding: 1.5rem 1rem;
        }

        .search-form-compact + .search-stats-mobile {
            margin-top: 0.75rem !important;
        }
    }
    
    /* 移动端搜索结果优化 */
    .mobile-scroll-indicator {
        position: sticky;
        top: 10px;
        z-index: 100;
        background: rgba(255,255,255,0.9);
        backdrop-filter: blur(10px);
        border-radius: 20px;
        padding: 10px;
        margin: 10px auto;
        max-width: 200px;
    }
    
    /* 移动端加载动画优化 */
    .loading-screen .loading-spinner {
        width: 40px;
        height: 40px;
    }
    
    .loading-screen .loading-text {
        font-size: 14px;
        margin-top: 15px;
    }
    
    /* 移动端模态框优化 */
    .modal-dialog {
        margin: 10px;
        max-width: calc(100% - 20px);
    }
    
    .modal-content {
        border-radius: 12px;
    }
    
    /* 移动端分页优化 */
    .pagination {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .page-link {
        padding: 8px 12px;
        margin: 2px;
        border-radius: 6px;
    }
    
    /* 移动端卡片网格优化 */
    .row.g-1 > * {
        padding: 0.25rem;
    }
    
    /* 移动端电影/电视剧卡片 */
    .movie-card, .tv-card, .variety-card {
        border-radius: 8px;
        overflow: hidden;
        transition: transform 0.2s ease;
    }
    
    .movie-card:active, .tv-card:active, .variety-card:active {
        transform: scale(0.98);
    }
    
    /* 移动端图片优化 */
    img {
        max-width: 100%;
        height: auto;
        loading: lazy;
    }
    
    /* 移动端文字优化 */
    .text-truncate-mobile {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    /* 移动端间距优化 */
    .mb-4 {
        margin-bottom: 1.5rem !important;
    }
    
    .py-5 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }
    
    /* 移动端渐变文字优化 */
    .gradient-text {
        background: linear-gradient(45deg, #667eea, #764ba2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    /* 移动端脉冲动画优化 */
    .pulse-down {
        animation: pulseDown 2s infinite;
    }
    
    @keyframes pulseDown {
        0%, 100% { transform: translateY(0); opacity: 1; }
        50% { transform: translateY(5px); opacity: 0.7; }
    }
    
    /* 移动端玻璃效果优化 */
    .glass-effect {
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    /* 移动端进度条优化 */
    .progress {
        height: 6px;
        border-radius: 3px;
        overflow: hidden;
    }
    
    .progress-bar {
        border-radius: 3px;
    }
    
    /* 移动端警告框优化 */
    .alert {
        border-radius: 8px;
        padding: 12px 15px;
        margin-bottom: 15px;
    }
    
    /* 移动端页脚优化 */
    .footer {
        margin-top: 30px;
        padding: 20px 0;
    }
    
    .footer .alert {
        font-size: 13px;
        padding: 10px 12px;
    }
    
    /* 移动端链接优化 */
    a {
        touch-action: manipulation;
    }
    
    /* 移动端输入框组优化 */
    .input-group-lg .form-control {
        font-size: 16px;
    }
    
    .input-group-text {
        padding: 12px 15px;
    }
    
    /* 移动端选择器优化 */
    .channel-select-wrapper, .netdisk-select-wrapper {
        position: relative;
    }
    
    .channel-dropdown-arrow, .netdisk-dropdown-arrow {
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        pointer-events: none;
        color: #6c757d;
    }
    
    /* 移动端可点击文本优化 */
    .clickable-text {
        cursor: pointer;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0,123,255,0.1);
    }
    
    .clickable-text:hover, .clickable-text:active {
        text-decoration: underline;
    }
}

/* 超小屏幕优化 (小于576px) */
@media (max-width: 575px) {
    .container {
        padding: 10px;
    }
    
    .card-body {
        padding: 12px;
    }
    
    .btn-lg {
        padding: 10px 16px;
        font-size: 15px;
    }
    
    .quick-nav-btn {
        font-size: 13px;
        padding: 6px 10px;
    }
    
    .modal-dialog {
        margin: 5px;
        max-width: calc(100% - 10px);
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h4 {
        font-size: 1.25rem;
    }
    
    .gradient-text {
        font-size: 1.4rem;
    }
}

/* 横屏模式优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .loading-screen {
        padding: 20px;
    }

    .loading-screen .loading-text {
        font-size: 13px;
        margin-top: 10px;
    }

    .container {
        padding: 15px 10px;
    }

    .card-body {
        padding: 12px;
    }
}

/* 移动端导航状态恢复优化 */
@media (max-width: 768px) {
    /* 状态恢复时的平滑过渡 */
    .search-results-restored {
        animation: fadeInUp 0.5s ease-out;
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* 搜索状态恢复提示 */
    .state-restore-indicator {
        position: fixed;
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(0, 123, 255, 0.9);
        color: white;
        padding: 8px 16px;
        border-radius: 20px;
        font-size: 14px;
        z-index: 1050;
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateX(-50%) translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
    }

    /* 优化移动端返回按钮区域 */
    .mobile-back-safe-area {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }

    /* 移动端滑动返回优化 */
    body {
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }

    /* 防止移动端页面缩放 */
    .search-container {
        touch-action: manipulation;
    }
}