feat: Add PDF viewer and preview components with styling and functionality
- Implemented DeesPdfViewer for full-featured PDF viewing with toolbar and sidebar navigation. - Created DeesPdfPreview for lightweight PDF previews. - Introduced PdfManager for managing PDF document loading and caching. - Added CanvasPool for efficient canvas management. - Developed utility functions for performance monitoring and file size formatting. - Established styles for viewer and preview components to enhance UI/UX. - Included demo examples for showcasing PDF viewer capabilities.
This commit is contained in:
262
ts_web/elements/dees-pdf-viewer/styles.ts
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262
ts_web/elements/dees-pdf-viewer/styles.ts
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import { css, cssManager } from '@design.estate/dees-element';
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export const viewerStyles = [
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cssManager.defaultStyles,
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css`
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:host {
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display: block;
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width: 100%;
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height: 600px;
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position: relative;
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font-family: 'Geist Sans', sans-serif;
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}
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.pdf-viewer {
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width: 100%;
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height: 100%;
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display: flex;
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flex-direction: column;
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background: ${cssManager.bdTheme('hsl(0 0% 97%)', 'hsl(215 20% 10%)')};
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}
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.toolbar {
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height: 48px;
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background: ${cssManager.bdTheme('hsl(0 0% 100%)', 'hsl(215 20% 15%)')};
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border-bottom: 1px solid ${cssManager.bdTheme('hsl(214 31% 91%)', 'hsl(217 25% 22%)')};
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display: flex;
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align-items: center;
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padding: 0 16px;
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gap: 16px;
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flex-shrink: 0;
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}
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.toolbar-group {
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display: flex;
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align-items: center;
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gap: 4px;
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}
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.toolbar-group--end {
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margin-left: auto;
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}
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.toolbar-button {
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width: 32px;
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height: 32px;
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border-radius: 6px;
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background: transparent;
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border: none;
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cursor: pointer;
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display: flex;
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align-items: center;
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justify-content: center;
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transition: background 0.15s ease;
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color: ${cssManager.bdTheme('hsl(215 16% 45%)', 'hsl(215 16% 75%)')};
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}
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.toolbar-button:hover:not(:disabled) {
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background: ${cssManager.bdTheme('hsl(214 31% 92%)', 'hsl(217 25% 22%)')};
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}
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.toolbar-button:disabled {
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opacity: 0.4;
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cursor: not-allowed;
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}
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.toolbar-button dees-icon {
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font-size: 16px;
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}
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.page-info {
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display: flex;
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align-items: center;
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gap: 8px;
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padding: 0 8px;
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font-size: 14px;
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color: ${cssManager.bdTheme('hsl(215 16% 45%)', 'hsl(215 16% 75%)')};
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}
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.page-input {
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width: 48px;
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height: 28px;
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border-radius: 4px;
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border: 1px solid ${cssManager.bdTheme('hsl(214 31% 86%)', 'hsl(217 25% 28%)')};
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background: ${cssManager.bdTheme('hsl(0 0% 100%)', 'hsl(215 20% 12%)')};
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color: ${cssManager.bdTheme('hsl(222 47% 11%)', 'hsl(210 20% 96%)')};
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text-align: center;
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font-size: 14px;
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font-family: inherit;
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outline: none;
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}
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.page-input:focus {
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border-color: ${cssManager.bdTheme('hsl(217 91% 60%)', 'hsl(213 93% 68%)')};
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}
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.page-separator {
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color: ${cssManager.bdTheme('hsl(215 16% 60%)', 'hsl(215 16% 50%)')};
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}
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.zoom-level {
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font-size: 13px;
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font-weight: 500;
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min-width: 48px;
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text-align: center;
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}
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.viewer-container {
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flex: 1;
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display: flex;
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overflow: hidden;
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position: relative;
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}
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.sidebar {
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width: 200px;
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background: ${cssManager.bdTheme('hsl(0 0% 100%)', 'hsl(215 20% 15%)')};
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border-right: 1px solid ${cssManager.bdTheme('hsl(214 31% 91%)', 'hsl(217 25% 22%)')};
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display: flex;
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flex-direction: column;
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}
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.sidebar-header {
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height: 40px;
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padding: 0 12px;
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display: flex;
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align-items: center;
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justify-content: space-between;
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border-bottom: 1px solid ${cssManager.bdTheme('hsl(214 31% 91%)', 'hsl(217 25% 22%)')};
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font-size: 13px;
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font-weight: 600;
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color: ${cssManager.bdTheme('hsl(215 16% 45%)', 'hsl(215 16% 75%)')};
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}
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.sidebar-close {
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width: 24px;
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height: 24px;
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border-radius: 4px;
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background: transparent;
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border: none;
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cursor: pointer;
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display: flex;
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align-items: center;
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justify-content: center;
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color: ${cssManager.bdTheme('hsl(215 16% 45%)', 'hsl(215 16% 75%)')};
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transition: background 0.15s ease;
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}
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.sidebar-close:hover {
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background: ${cssManager.bdTheme('hsl(214 31% 92%)', 'hsl(217 25% 22%)')};
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}
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.sidebar-close dees-icon {
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font-size: 14px;
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}
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.sidebar-content {
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flex: 1;
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overflow-y: auto;
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padding: 12px;
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display: flex;
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flex-direction: column;
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gap: 12px;
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}
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.thumbnail {
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position: relative;
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border-radius: 8px;
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overflow: hidden;
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cursor: pointer;
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border: 2px solid transparent;
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transition: border-color 0.15s ease;
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background: ${cssManager.bdTheme('hsl(0 0% 100%)', 'hsl(215 20% 18%)')};
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display: flex;
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align-items: center;
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justify-content: center;
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min-height: 100px;
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}
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.thumbnail:hover {
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border-color: ${cssManager.bdTheme('hsl(214 31% 86%)', 'hsl(217 25% 35%)')};
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}
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.thumbnail.active {
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border-color: ${cssManager.bdTheme('hsl(217 91% 60%)', 'hsl(213 93% 68%)')};
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}
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.thumbnail-canvas {
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display: block;
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max-width: 100%;
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height: auto;
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image-rendering: -webkit-optimize-contrast;
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image-rendering: crisp-edges;
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}
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.thumbnail-number {
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position: absolute;
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bottom: 4px;
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right: 4px;
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background: ${cssManager.bdTheme('rgba(0, 0, 0, 0.7)', 'rgba(0, 0, 0, 0.8)')};
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color: white;
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font-size: 11px;
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font-weight: 500;
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padding: 2px 6px;
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border-radius: 4px;
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}
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.viewer-main {
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flex: 1;
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display: flex;
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align-items: center;
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justify-content: center;
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overflow: auto;
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padding: 20px;
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}
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.loading-container {
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 16px;
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color: ${cssManager.bdTheme('hsl(215 16% 45%)', 'hsl(215 16% 75%)')};
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}
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.loading-spinner {
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width: 32px;
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height: 32px;
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border-radius: 50%;
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border: 3px solid ${cssManager.bdTheme('hsl(214 31% 86%)', 'hsl(217 25% 28%)')};
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border-top-color: ${cssManager.bdTheme('hsl(217 91% 60%)', 'hsl(213 93% 68%)')};
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animation: spin 0.8s linear infinite;
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}
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@keyframes spin {
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to {
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transform: rotate(360deg);
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}
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}
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.loading-text {
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font-size: 14px;
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font-weight: 500;
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}
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.canvas-container {
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background: white;
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box-shadow: 0 2px 12px ${cssManager.bdTheme('rgba(0, 0, 0, 0.1)', 'rgba(0, 0, 0, 0.3)')};
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border-radius: 4px;
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overflow: hidden;
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display: inline-block;
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}
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#pdf-canvas {
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display: block;
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image-rendering: -webkit-optimize-contrast;
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image-rendering: crisp-edges;
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}
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.pdf-viewer.with-sidebar .viewer-main {
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margin-left: 0;
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}
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`,
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];
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