/**
 * 文档查看器样式文件
 * 为博客中的文档嵌入功能提供美观的样式
 */

/* 文档查看器容器 */
.doc-viewer-container {
    position: relative;
    background: #fff;
    transition: box-shadow 0.3s ease;
}

.doc-viewer-container:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* 标题栏样式 */
.doc-viewer-title {
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
    display: flex;
    align-items: center;
    justify-content: space-between;
}


/* 全屏按钮 */
.doc-viewer-fullscreen {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 3px;
    color: #6c757d;
    transition: all 0.2s;
}

.doc-viewer-fullscreen:hover {
    background: #e9ecef;
    color: #495057;
}

/* iframe样式优化 */
.doc-viewer-container iframe {
    display: block;
    background: #fff;
    transition: opacity 0.3s ease;
}

.doc-viewer-container iframe:not([src]) {
    opacity: 0.5;
}

/* 加载状态 */
.doc-viewer-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #6c757d;
    z-index: 10;
}

.doc-viewer-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误状态 */
.doc-viewer-error {
    padding: 40px 20px;
    text-align: center;
    color: #e74c3c;
    background: #fdf2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    margin: 20px 0;
}

.doc-viewer-error .error-icon {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
}

.doc-viewer-error .error-message {
    font-size: 16px;
    margin-bottom: 15px;
    font-weight: 500;
}

.doc-viewer-error .error-details {
    font-size: 14px;
    color: #7f1d1d;
    margin-bottom: 20px;
}

/* 下载链接容器 */
.doc-download-container {
    transition: all 0.3s ease;
}

.doc-download-container:hover {
    background: #f1f3f4 !important;
    border-color: #3498db !important;
}

.doc-download-container .download-info {
    margin-bottom: 15px;
    color: #6c757d;
    font-size: 14px;
}

/* 文件类型图标 */
.file-type-icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 8px;
    vertical-align: middle;
}

.file-type-pdf::before { content: "📕"; }
.file-type-doc::before, 
.file-type-docx::before { content: "📘"; }
.file-type-xls::before, 
.file-type-xlsx::before { content: "📗"; }
.file-type-ppt::before, 
.file-type-pptx::before { content: "📙"; }
.file-type-txt::before { content: "📄"; }
.file-type-default::before { content: "📎"; }

/* 响应式设计 */
@media (max-width: 768px) {
    .doc-viewer-container {
        margin: 15px 0;
    }
    
    .doc-viewer-title {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .doc-download-container {
        padding: 15px;
        margin: 15px 0;
    }
    
    .doc-download-container .download-icon {
        font-size: 36px !important;
    }
}

@media (max-width: 480px) {
    .doc-viewer-container {
        border-radius: 4px;
    }
    
    .doc-viewer-title {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* 按钮样式 */
.doc-viewer-download-btn,
.doc-viewer-toggle-btn {
    transition: all 0.2s ease;
}

.doc-viewer-download-btn:hover,
.doc-viewer-toggle-btn:hover {
    background: #e9ecef;
    color: #495057;
    transform: scale(1.1);
}

/* 内容区域样式 */
.doc-viewer-content {
    position: relative;
}

/* 暗色主题支持 */
@media (prefers-color-scheme: dark) {
    .doc-viewer-container {
        background: #2d3748;
        border-color: #4a5568;
    }
    
    .doc-viewer-title {
        background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
        color: #e2e8f0;
        border-bottom-color: #4a5568;
    }
    
    .doc-viewer-download-btn,
    .doc-viewer-toggle-btn {
        color: #a0aec0;
    }
    
    .doc-viewer-download-btn:hover,
    .doc-viewer-toggle-btn:hover {
        background: #4a5568;
        color: #e2e8f0;
    }
    
    .doc-viewer-fullscreen {
        color: #a0aec0;
    }
    
    .doc-viewer-fullscreen:hover {
        background: #4a5568;
        color: #e2e8f0;
    }
    
    .doc-viewer-loading {
        color: #a0aec0;
    }
    
    .doc-viewer-content {
        background: #2d3748;
    }
    
    .doc-viewer-container iframe {
        background: #2d3748;
    }
    
    .doc-download-container {
        background: #2d3748 !important;
        border-color: #4a5568 !important;
        color: #e2e8f0;
    }
    
    .doc-download-container:hover {
        background: #4a5568 !important;
        border-color: #3498db !important;
    }
    
    .doc-download-container .download-info {
        color: #a0aec0;
    }
}

/* 博客主题黑夜模式适配 */
[data-theme="dark"] .doc-viewer-container,
.dark .doc-viewer-container,
body.dark .doc-viewer-container {
    background: #2d3748;
    border-color: #4a5568;
}

[data-theme="dark"] .doc-viewer-title,
.dark .doc-viewer-title,
body.dark .doc-viewer-title {
    background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
    color: #e2e8f0;
    border-bottom-color: #4a5568;
}

[data-theme="dark"] .doc-viewer-download-btn,
[data-theme="dark"] .doc-viewer-toggle-btn,
.dark .doc-viewer-download-btn,
.dark .doc-viewer-toggle-btn,
body.dark .doc-viewer-download-btn,
body.dark .doc-viewer-toggle-btn {
    color: #a0aec0;
}

[data-theme="dark"] .doc-viewer-download-btn:hover,
[data-theme="dark"] .doc-viewer-toggle-btn:hover,
.dark .doc-viewer-download-btn:hover,
.dark .doc-viewer-toggle-btn:hover,
body.dark .doc-viewer-download-btn:hover,
body.dark .doc-viewer-toggle-btn:hover {
    background: #4a5568;
    color: #e2e8f0;
}

[data-theme="dark"] .doc-viewer-content,
.dark .doc-viewer-content,
body.dark .doc-viewer-content {
    background: #2d3748;
}

[data-theme="dark"] .doc-viewer-container iframe,
.dark .doc-viewer-container iframe,
body.dark .doc-viewer-container iframe {
    background: #2d3748;
}

/* 打印样式 */
@media print {
    .doc-viewer-container {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .doc-viewer-title {
        background: #f8f9fa;
        color: #000;
    }
    
    .doc-viewer-fullscreen {
        display: none;
    }
}

/* 动画效果 */
.doc-viewer-fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 工具提示 */
.doc-viewer-tooltip {
    position: relative;
    cursor: help;
}

.doc-viewer-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
}

.doc-viewer-tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 5px);
}

/* WPS文档查看器界面元素暴力隐藏 */
/* 这些样式用于暴力隐藏WPS在线文档中不需要的界面元素 */
.et-cmb-bar-wrap,
.component-header-wrap,
.et-edit-bar-wrap,
.et-toolbar-wrap,
.et-header-wrap,
.et-menu-bar,
.et-status-bar,
.toolbar-wrap,
.header-wrap,
.shadow,
[class*="shadow"],
[class^="shadow"],
[class$="shadow"],
[id*="shadow"],
.et-shadow,
.wps-shadow,
.kdocs-shadow {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    height: 0 !important;
    width: 0 !important;
    overflow: hidden !important;
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    z-index: -1 !important;
    pointer-events: none !important;
    transform: scale(0) !important;
}

/* 确保WPS文档内容区域占满整个空间 - 消除空白 */
.et-content-wrap,
.content-wrap,
.main-content,
.document-content,
.et-main-wrap,
.main-wrap,
.workspace,
.et-workspace {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    height: 100vh !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    transform: translateY(0) !important;
}

/* 消除iframe内的默认边距和填充 */
iframe[src*="kdocs"] body,
iframe[src*="kdocs"] html,
iframe[src*="wps"] body,
iframe[src*="wps"] html {
    margin: 0 !important;
    padding: 0 !important;
    height: 100vh !important;
    overflow: hidden !important;
}

/* 针对WPS iframe的特殊样式 */
.doc-viewer-container iframe[src*="kdocs.cn"],
.doc-viewer-container iframe[src*="wps.cn"] {
    /* 确保WPS iframe能够正确显示 */
    min-height: 500px;
    background: #ffffff;
}

/* 隐藏可能出现的WPS广告或推广元素 */
.et-ad-wrap,
.ad-wrap,
.promotion-wrap,
.et-promotion-wrap {
    display: none !important;
    visibility: hidden !important;
}

/* 优化WPS文档的滚动条样式 */
.doc-viewer-container iframe[src*="kdocs.cn"] ::-webkit-scrollbar,
.doc-viewer-container iframe[src*="wps.cn"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.doc-viewer-container iframe[src*="kdocs.cn"] ::-webkit-scrollbar-track,
.doc-viewer-container iframe[src*="wps.cn"] ::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.doc-viewer-container iframe[src*="kdocs.cn"] ::-webkit-scrollbar-thumb,
.doc-viewer-container iframe[src*="wps.cn"] ::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.doc-viewer-container iframe[src*="kdocs.cn"] ::-webkit-scrollbar-thumb:hover,
.doc-viewer-container iframe[src*="wps.cn"] ::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 暴力隐藏模式：创建覆盖层遮挡WPS界面元素 */
.doc-viewer-container {
    position: relative;
}

.doc-viewer-container iframe[src*="kdocs.cn"],
.doc-viewer-container iframe[src*="wps.cn"] {
    position: relative;
}

/* 移除伪元素覆盖层以避免空白 */
/* 注释掉伪元素覆盖层，改用JavaScript动态处理 */
/*
.doc-viewer-container iframe[src*="kdocs.cn"]::after,
.doc-viewer-container iframe[src*="wps.cn"]::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, #ffffff 0%, #ffffff 70%, rgba(255,255,255,0.8) 100%);
    z-index: 9999;
    pointer-events: none;
    border-bottom: 1px solid #e0e0e0;
}
*/

/* 持续暴力隐藏：通过CSS动画不断隐藏元素 */
@keyframes bruteForceHide {
    0%, 25%, 50%, 75%, 100% {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        height: 0 !important;
        width: 0 !important;
        transform: scale(0) !important;
        position: absolute !important;
        left: -10000px !important;
        top: -10000px !important;
        z-index: -9999 !important;
    }
}

/* 应用持续动画到所有可能的WPS界面元素 */
iframe[src*="kdocs.cn"] .et-cmb-bar-wrap,
iframe[src*="kdocs.cn"] .component-header-wrap,
iframe[src*="kdocs.cn"] .et-edit-bar-wrap,
iframe[src*="kdocs.cn"] .et-toolbar-wrap,
iframe[src*="kdocs.cn"] .et-header-wrap,
iframe[src*="kdocs.cn"] .et-menu-bar,
iframe[src*="kdocs.cn"] .et-status-bar,
iframe[src*="kdocs.cn"] .toolbar-wrap,
iframe[src*="kdocs.cn"] .header-wrap,
iframe[src*="kdocs.cn"] .shadow,
iframe[src*="kdocs.cn"] [class*="shadow"],
iframe[src*="kdocs.cn"] [class^="shadow"],
iframe[src*="kdocs.cn"] [class$="shadow"],
iframe[src*="kdocs.cn"] [id*="shadow"],
iframe[src*="wps.cn"] .et-cmb-bar-wrap,
iframe[src*="wps.cn"] .component-header-wrap,
iframe[src*="wps.cn"] .et-edit-bar-wrap,
iframe[src*="wps.cn"] .et-toolbar-wrap,
iframe[src*="wps.cn"] .et-header-wrap,
iframe[src*="wps.cn"] .et-menu-bar,
iframe[src*="wps.cn"] .et-status-bar,
iframe[src*="wps.cn"] .toolbar-wrap,
iframe[src*="wps.cn"] .header-wrap,
iframe[src*="wps.cn"] .shadow,
iframe[src*="wps.cn"] [class*="shadow"],
iframe[src*="wps.cn"] [class^="shadow"],
iframe[src*="wps.cn"] [class$="shadow"],
iframe[src*="wps.cn"] [id*="shadow"] {
    animation: bruteForceHide 0.05s infinite !important;
}

/* 额外的持续隐藏规则 */
iframe[src*="kdocs"] *[class*="bar"]:not([class*="scroll"]):not([class*="progress"]),
iframe[src*="kdocs"] *[class*="header"]:not([class*="content"]),
iframe[src*="kdocs"] *[class*="toolbar"],
iframe[src*="kdocs"] *[class*="menu"]:not([class*="context"]),
iframe[src*="kdocs"] *[class*="shadow"],
iframe[src*="wps"] *[class*="bar"]:not([class*="scroll"]):not([class*="progress"]),
iframe[src*="wps"] *[class*="header"]:not([class*="content"]),
iframe[src*="wps"] *[class*="toolbar"],
iframe[src*="wps"] *[class*="menu"]:not([class*="context"]),
iframe[src*="wps"] *[class*="shadow"] {
    animation: bruteForceHide 0.05s infinite !important;
}

/* 额外的暴力隐藏：通过多重选择器 */
iframe[src*="kdocs"] *[class*="bar"],
iframe[src*="kdocs"] *[class*="header"],
iframe[src*="kdocs"] *[class*="toolbar"],
iframe[src*="kdocs"] *[class*="menu"],
iframe[src*="kdocs"] *[class*="shadow"],
iframe[src*="wps"] *[class*="bar"],
iframe[src*="wps"] *[class*="header"],
iframe[src*="wps"] *[class*="toolbar"],
iframe[src*="wps"] *[class*="menu"],
iframe[src*="wps"] *[class*="shadow"] {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    left: -10000px !important;
    top: -10000px !important;
}

/* 终极暴力模式：确保iframe占满整个容器而不留空白 */
.doc-viewer-container.brute-force-mode {
    overflow: hidden;
}

.doc-viewer-container.brute-force-mode iframe {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

/* WPS纯净内容样式 */
.wps-clean-content {
    width: 100% !important;
    height: 100% !important;
    overflow: auto !important;
    background: #ffffff !important;
    position: relative !important;
    border: none !important;
    margin: 0 !important;
    padding: 15px !important;
    box-sizing: border-box !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Microsoft YaHei', sans-serif !important;
    line-height: 1.6 !important;
    color: #333 !important;
}

.wps-clean-content * {
    max-width: 100% !important;
    box-sizing: border-box !important;
}

.wps-clean-content table {
    width: 100% !important;
    border-collapse: collapse !important;
    margin: 10px 0 !important;
    border: 1px solid #ddd !important;
}

.wps-clean-content table td,
.wps-clean-content table th {
    border: 1px solid #ddd !important;
    padding: 8px !important;
    text-align: left !important;
}

.wps-clean-content table th {
    background-color: #f5f5f5 !important;
    font-weight: bold !important;
}

.wps-clean-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    margin: 10px auto !important;
}

.wps-clean-content p {
    margin: 8px 0 !important;
    line-height: 1.6 !important;
}

.wps-clean-content h1,
.wps-clean-content h2,
.wps-clean-content h3,
.wps-clean-content h4,
.wps-clean-content h5,
.wps-clean-content h6 {
    margin: 15px 0 10px 0 !important;
    font-weight: bold !important;
    color: #2c3e50 !important;
}

.wps-clean-content ul,
.wps-clean-content ol {
    margin: 10px 0 !important;
    padding-left: 20px !important;
}

.wps-clean-content li {
    margin: 5px 0 !important;
}

/* 滚动条样式 */
.wps-clean-content::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.wps-clean-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.wps-clean-content::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.wps-clean-content::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 暗色主题支持 */
@media (prefers-color-scheme: dark) {
    .wps-clean-content {
        background: #2d3748 !important;
        color: #e2e8f0 !important;
    }

    .wps-clean-content table {
        border-color: #4a5568 !important;
    }

    .wps-clean-content table td,
    .wps-clean-content table th {
        border-color: #4a5568 !important;
    }

    .wps-clean-content table th {
        background-color: #4a5568 !important;
        color: #e2e8f0 !important;
    }

    .wps-clean-content h1,
    .wps-clean-content h2,
    .wps-clean-content h3,
    .wps-clean-content h4,
    .wps-clean-content h5,
    .wps-clean-content h6 {
        color: #63b3ed !important;
    }
}

/* 移除可能造成空白的覆盖层 */
/*
.doc-viewer-container.brute-force-mode::before {
    content: '';
    position: absolute;
    top: 45px;
    left: 0;
    right: 0;
    height: 100px;
    background: white;
    z-index: 10000;
    pointer-events: none;
    border-bottom: 1px solid #ddd;
}
*/