/**
 * MainReads - Professional PDF.js Document Reader Stylesheet
 * High-performance, accessible, responsive canvas & text-layer document viewer.
 * Designed with WCAG AAA high-contrast readability across all themes & devices.
 */

:root {
    --reader-bg-dark: #334155;
    --reader-bg-light: #e2e8f0;
    --reader-toolbar-dark: #0f172a;
    --reader-toolbar-light: #ffffff;
    --reader-border-dark: #475569;
    --reader-border-light: #cbd5e1;
    --reader-text-dark: #ffffff;
    --reader-text-light: #0f172a;
    --reader-muted-dark: #cbd5e1;
    --reader-muted-light: #475569;
    --reader-sidebar-dark: #1e293b;
    --reader-sidebar-light: #f8fafc;
    --reader-btn-hover-dark: rgba(255, 255, 255, 0.22);
    --reader-btn-hover-light: #e2e8f0;
    --reader-primary: #2563eb;
    --reader-primary-hover: #1d4ed8;
}

/* Base Full-Screen Reader Layout */
.pdf-reader-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--reader-bg-dark);
    color: #ffffff !important;
    user-select: none;
}

.pdf-reader-app.theme-light {
    background-color: var(--reader-bg-light);
    color: var(--reader-text-light) !important;
}

/* Top Toolbar */
.pdf-reader-toolbar {
    height: 52px;
    background-color: var(--reader-toolbar-dark);
    border-bottom: 1px solid var(--reader-border-dark);
    color: #ffffff !important;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    gap: 8px;
    flex-shrink: 0;
    z-index: 30;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.35);
}

.pdf-reader-app.theme-light .pdf-reader-toolbar,
.theme-light .pdf-reader-toolbar {
    background-color: var(--reader-toolbar-light);
    border-bottom-color: var(--reader-border-light);
    color: #0f172a !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.pdf-toolbar-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pdf-toolbar-left {
    flex: 1;
    min-width: 0;
    justify-content: flex-start;
}

.pdf-toolbar-center {
    flex-shrink: 0;
    justify-content: center;
}

.pdf-toolbar-right {
    flex: 1;
    min-width: 0;
    justify-content: flex-end;
}

/* High-Contrast Toolbar Buttons */
.pdf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 6px 11px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff !important;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
    white-space: nowrap;
    line-height: 1;
}

.pdf-btn:hover {
    background-color: rgba(255, 255, 255, 0.24);
    border-color: rgba(255, 255, 255, 0.5);
    color: #ffffff !important;
}

.pdf-reader-app.theme-light .pdf-btn,
.theme-light .pdf-btn {
    color: #0f172a !important;
    background-color: #ffffff;
    border: 1px solid #cbd5e1;
}

.pdf-reader-app.theme-light .pdf-btn:hover,
.theme-light .pdf-btn:hover {
    background-color: #f1f5f9;
    border-color: #94a3b8;
    color: #000000 !important;
}

.pdf-btn:active {
    transform: translateY(1px);
}

.pdf-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.pdf-btn.active {
    background-color: var(--reader-primary);
    border-color: var(--reader-primary);
    color: #ffffff !important;
}

.pdf-btn-primary {
    background-color: #2563eb !important;
    color: #ffffff !important;
    border-color: #1d4ed8 !important;
    font-weight: 700 !important;
}

.pdf-btn-primary:hover {
    background-color: #1d4ed8 !important;
    color: #ffffff !important;
}

.pdf-btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
}

.pdf-toolbar-divider {
    width: 1px;
    height: 22px;
    background-color: rgba(255, 255, 255, 0.25);
    margin: 0 4px;
}

.pdf-reader-app.theme-light .pdf-toolbar-divider,
.theme-light .pdf-toolbar-divider {
    background-color: var(--reader-border-light);
}

/* Document Title in Toolbar */
.pdf-doc-title-box {
    margin-left: 8px;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
    color: #ffffff !important;
}

.pdf-reader-app.theme-light .pdf-doc-title-box,
.theme-light .pdf-doc-title-box {
    color: #0f172a !important;
}

.pdf-doc-author-sub {
    font-size: 11px;
    color: #cbd5e1 !important;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-reader-app.theme-light .pdf-doc-author-sub,
.theme-light .pdf-doc-author-sub {
    color: #475569 !important;
}

/* Page Navigation Box */
.pdf-page-nav-box {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
    color: #ffffff !important;
    font-variant-numeric: tabular-nums;
}

.pdf-reader-app.theme-light .pdf-page-nav-box,
.theme-light .pdf-page-nav-box {
    color: #0f172a !important;
}

.pdf-page-input {
    width: 46px;
    height: 28px;
    padding: 2px 4px;
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    background: #0f172a;
    color: #ffffff !important;
    border: 1px solid #64748b;
    border-radius: 4px;
    outline: none;
    font-variant-numeric: tabular-nums;
}

.pdf-reader-app.theme-light .pdf-page-input,
.theme-light .pdf-page-input {
    background: #ffffff;
    color: #0f172a !important;
    border-color: #94a3b8;
}

.pdf-page-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.4);
}

.pdf-page-count {
    color: #f8fafc !important;
    font-weight: 700;
}

.pdf-reader-app.theme-light .pdf-page-count,
.theme-light .pdf-page-count {
    color: #0f172a !important;
}

/* Zoom Dropdown & Buttons */
.pdf-zoom-select {
    height: 28px;
    padding: 2px 8px;
    font-size: 13px;
    font-weight: 600;
    background: #0f172a;
    color: #ffffff !important;
    border: 1px solid #64748b;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.pdf-zoom-select option {
    background-color: #0f172a;
    color: #ffffff;
}

.pdf-reader-app.theme-light .pdf-zoom-select,
.theme-light .pdf-zoom-select {
    background: #ffffff;
    color: #0f172a !important;
    border-color: #94a3b8;
}

.pdf-reader-app.theme-light .pdf-zoom-select option,
.theme-light .pdf-zoom-select option {
    background-color: #ffffff;
    color: #0f172a;
}

/* In-Reader Search Bar */
.pdf-search-bar {
    position: absolute;
    top: 52px;
    right: 20px;
    background-color: #0f172a;
    border: 1px solid #475569;
    border-top: none;
    border-radius: 0 0 8px 8px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 25;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
    color: #ffffff !important;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.pdf-reader-app.theme-light .pdf-search-bar,
.theme-light .pdf-search-bar {
    background-color: #ffffff;
    border-color: var(--reader-border-light);
    color: #0f172a !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.pdf-search-bar.hidden {
    display: none;
}

.pdf-search-input {
    width: 220px;
    height: 30px;
    padding: 4px 8px;
    font-size: 13px;
    font-weight: 500;
    background: #1e293b;
    color: #ffffff !important;
    border: 1px solid #64748b;
    border-radius: 4px;
    outline: none;
}

.pdf-reader-app.theme-light .pdf-search-input,
.theme-light .pdf-search-input {
    background: #ffffff;
    color: #0f172a !important;
    border-color: #94a3b8;
}

.pdf-search-input:focus {
    border-color: var(--reader-primary);
}

.pdf-search-results-count {
    font-size: 12px;
    font-weight: 600;
    color: #e2e8f0 !important;
    min-width: 70px;
}

.pdf-reader-app.theme-light .pdf-search-results-count,
.theme-light .pdf-search-results-count {
    color: #334155 !important;
}

/* Main Reader Body */
.pdf-reader-body {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
}

/* Sidebar */
.pdf-reader-sidebar {
    width: 300px;
    background-color: var(--reader-sidebar-dark);
    border-right: 1px solid var(--reader-border-dark);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: transform 0.25s ease, margin-left 0.25s ease;
    z-index: 15;
    overflow: hidden;
    color: #ffffff !important;
}

.pdf-reader-app.theme-light .pdf-reader-sidebar,
.theme-light .pdf-reader-sidebar {
    background-color: var(--reader-sidebar-light);
    border-right-color: var(--reader-border-light);
    color: #0f172a !important;
}

.pdf-reader-sidebar.collapsed {
    margin-left: -300px;
}

.pdf-sidebar-tabs {
    display: flex;
    border-bottom: 1px solid var(--reader-border-dark);
    background: rgba(0, 0, 0, 0.25);
}

.pdf-reader-app.theme-light .pdf-sidebar-tabs,
.theme-light .pdf-sidebar-tabs {
    border-bottom-color: var(--reader-border-light);
    background: rgba(0, 0, 0, 0.04);
}

.pdf-sidebar-tab-btn {
    flex: 1;
    padding: 11px 4px;
    font-size: 12px;
    font-weight: 700;
    background: transparent;
    color: #cbd5e1 !important;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    text-align: center;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.pdf-sidebar-tab-btn:hover {
    color: #ffffff !important;
}

.pdf-sidebar-tab-btn.active {
    color: #ffffff !important;
    border-bottom-color: #3b82f6 !important;
}

.pdf-reader-app.theme-light .pdf-sidebar-tab-btn,
.theme-light .pdf-sidebar-tab-btn {
    color: #334155 !important;
}

.pdf-reader-app.theme-light .pdf-sidebar-tab-btn:hover,
.theme-light .pdf-sidebar-tab-btn:hover {
    color: #000000 !important;
}

.pdf-reader-app.theme-light .pdf-sidebar-tab-btn.active,
.theme-light .pdf-sidebar-tab-btn.active {
    color: var(--reader-primary) !important;
    border-bottom-color: var(--reader-primary) !important;
}

.pdf-sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    color: #ffffff !important;
}

.pdf-reader-app.theme-light .pdf-sidebar-content,
.theme-light .pdf-sidebar-content {
    color: #0f172a !important;
}

.pdf-sidebar-pane {
    display: none;
}

.pdf-sidebar-pane.active {
    display: block;
}

/* Thumbnails Pane */
.pdf-thumbnails-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.pdf-thumbnail-item {
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
    padding: 5px;
    border-radius: 4px;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.pdf-thumbnail-item:hover {
    border-color: rgba(255, 255, 255, 0.45);
    transform: translateY(-2px);
}

.pdf-reader-app.theme-light .pdf-thumbnail-item:hover,
.theme-light .pdf-thumbnail-item:hover {
    border-color: rgba(0, 0, 0, 0.3);
}

.pdf-thumbnail-item.active {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 1px #3b82f6;
}

.pdf-thumbnail-canvas {
    display: block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    background: #ffffff;
    border-radius: 2px;
}

.pdf-thumbnail-number {
    font-size: 12px;
    font-weight: 700;
    color: #f1f5f9 !important;
    margin-top: 5px;
}

.pdf-reader-app.theme-light .pdf-thumbnail-number,
.theme-light .pdf-thumbnail-number {
    color: #1e293b !important;
}

/* Outline (Table of Contents) */
.pdf-outline-tree {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
}

.pdf-outline-item {
    margin: 4px 0;
}

.pdf-outline-link {
    display: block;
    padding: 7px 9px;
    border-radius: 4px;
    color: #f1f5f9 !important;
    text-decoration: none;
    line-height: 1.35;
    font-size: 13px;
    font-weight: 500;
    transition: background-color 0.15s ease, color 0.15s ease;
    cursor: pointer;
}

.pdf-outline-link:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: #60a5fa !important;
}

.pdf-reader-app.theme-light .pdf-outline-link,
.theme-light .pdf-outline-link {
    color: #1e293b !important;
}

.pdf-reader-app.theme-light .pdf-outline-link:hover,
.theme-light .pdf-outline-link:hover {
    background-color: #e2e8f0;
    color: #2563eb !important;
}

.pdf-outline-tree ul {
    list-style: none;
    padding-left: 14px;
    margin: 2px 0 2px 6px;
    border-left: 1px solid var(--reader-border-dark);
}

.pdf-reader-app.theme-light .pdf-outline-tree ul,
.theme-light .pdf-outline-tree ul {
    border-left-color: var(--reader-border-light);
}

/* Document Info Pane */
.pdf-info-pane {
    font-size: 13px;
    line-height: 1.5;
    color: #f8fafc !important;
}

.pdf-reader-app.theme-light .pdf-info-pane,
.theme-light .pdf-info-pane {
    color: #0f172a !important;
}

.pdf-info-row {
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.pdf-reader-app.theme-light .pdf-info-row,
.theme-light .pdf-info-row {
    border-bottom-color: rgba(0, 0, 0, 0.08);
}

.pdf-info-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #cbd5e1 !important;
    margin-bottom: 2px;
}

.pdf-reader-app.theme-light .pdf-info-label,
.theme-light .pdf-info-label {
    color: #64748b !important;
}

/* Reading Viewport */
.pdf-reader-viewport {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    position: relative;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    scroll-behavior: smooth;
    outline: none;
    -webkit-overflow-scrolling: touch;
}

/* Document Pages Container */
.pdf-pages-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
    width: 100%;
}

/* Two-Page Spread Layout */
.pdf-pages-container.mode-spread {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
}

/* Individual Page Wrapper */
.pdf-page-container {
    position: relative;
    background-color: #ffffff;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
    border-radius: 2px;
    overflow: hidden;
    user-select: text;
    transition: box-shadow 0.2s ease;
}

.pdf-reader-app.theme-light .pdf-page-container,
.theme-light .pdf-page-container {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14);
}

/* Page Canvas */
.pdf-page-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* High-Precision Text Layer */
.textLayer {
    position: absolute;
    text-align: initial;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    opacity: 0.25;
    line-height: 1.0;
    -webkit-text-size-adjust: none;
    -moz-text-size-adjust: none;
    text-size-adjust: none;
    forced-color-adjust: none;
    transform-origin: 0 0;
    z-index: 2;
}

.textLayer span,
.textLayer br {
    color: transparent;
    position: absolute;
    white-space: pre;
    cursor: text;
    transform-origin: 0% 0%;
}

/* Native Mouse Text Selection */
.textLayer ::selection {
    background: rgba(37, 99, 235, 0.45);
    color: transparent;
}

/* Search Term Highlighting */
.textLayer .highlight {
    background-color: rgba(250, 204, 21, 0.88);
    border-radius: 2px;
}

.textLayer .highlight.selected {
    background-color: rgba(249, 115, 22, 0.98);
    box-shadow: 0 0 0 2px rgba(234, 88, 12, 0.7);
}

/* Page Watermark Placeholder */
.pdf-page-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    font-weight: 600;
    color: #64748b !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    pointer-events: none;
}

/* Watermark Badge */
.pdf-page-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(15, 23, 42, 0.85);
    color: #ffffff !important;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 3px;
    pointer-events: none;
    z-index: 5;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(2px);
}

/* Loading Spinner */
.pdf-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 50;
    color: #ffffff !important;
}

.pdf-loading-overlay span {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff !important;
}

.pdf-reader-app.theme-light .pdf-loading-overlay,
.theme-light .pdf-loading-overlay {
    background: rgba(255, 255, 255, 0.92);
    color: #0f172a !important;
}

.pdf-reader-app.theme-light .pdf-loading-overlay span,
.theme-light .pdf-loading-overlay span {
    color: #0f172a !important;
}

.pdf-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(255, 255, 255, 0.25);
    border-top-color: var(--reader-primary);
    border-radius: 50%;
    animation: pdf-spin 0.8s linear infinite;
}

.pdf-reader-app.theme-light .pdf-spinner,
.theme-light .pdf-spinner {
    border-color: rgba(0, 0, 0, 0.15);
    border-top-color: var(--reader-primary);
}

@keyframes pdf-spin {
    to { transform: rotate(360deg); }
}

/* Error State Container */
.pdf-error-container {
    max-width: 540px;
    background: #ffffff;
    color: #0f172a !important;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 30px;
    margin: 40px auto;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.pdf-error-title {
    font-size: 18px;
    font-weight: 700;
    color: #dc2626 !important;
    margin-bottom: 8px;
}

.pdf-error-desc {
    font-size: 14px;
    color: #475569 !important;
    line-height: 1.5;
    margin-bottom: 20px;
}

.pdf-error-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.pdf-error-container .pdf-btn:not(.pdf-btn-primary) {
    color: #0f172a !important;
    background-color: #f1f5f9 !important;
    border: 1px solid #cbd5e1 !important;
}

.pdf-error-container .pdf-btn:not(.pdf-btn-primary):hover {
    background-color: #e2e8f0 !important;
    color: #000000 !important;
    border-color: #94a3b8 !important;
}

/* Sidebar Search Result Items */
.pdf-search-result-item {
    padding: 8px 10px;
    margin-bottom: 6px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.08);
    border-left: 3px solid var(--reader-primary);
    color: #f8fafc !important;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.pdf-search-result-item:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff !important;
}

.pdf-reader-app.theme-light .pdf-search-result-item,
.theme-light .pdf-search-result-item {
    background: #f1f5f9;
    color: #0f172a !important;
    border-left-color: var(--reader-primary);
}

.pdf-search-empty-hint {
    color: #cbd5e1 !important;
}

.pdf-reader-app.theme-light .pdf-search-empty-hint,
.theme-light .pdf-search-empty-hint {
    color: #475569 !important;
}

/* Toast Message */
.pdf-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(50px);
    background: rgba(15, 23, 42, 0.95);
    color: #ffffff !important;
    padding: 9px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    z-index: 100;
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.pdf-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Embedded Reader on Book Details Page */
.pdf-viewer-embedded {
    border: 1px solid var(--reader-border-dark);
    border-radius: 6px;
    overflow: hidden;
    height: 640px;
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--reader-bg-dark);
    color: #ffffff !important;
}

.pdf-viewer-embedded .pdf-reader-toolbar {
    background-color: var(--reader-toolbar-dark) !important;
    color: #ffffff !important;
}

.pdf-viewer-embedded .pdf-btn {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.14) !important;
    border: 1px solid rgba(255, 255, 255, 0.35) !important;
}

.pdf-viewer-embedded .pdf-btn:hover {
    background-color: rgba(255, 255, 255, 0.26) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    color: #ffffff !important;
}

.pdf-viewer-embedded .pdf-btn-primary {
    background-color: #2563eb !important;
    color: #ffffff !important;
    border-color: #1d4ed8 !important;
}

.pdf-viewer-embedded .pdf-btn-primary:hover {
    background-color: #1d4ed8 !important;
    color: #ffffff !important;
}

.pdf-viewer-embedded .pdf-page-nav-box,
.pdf-viewer-embedded .pdf-page-count {
    color: #ffffff !important;
}

.pdf-viewer-embedded .pdf-page-input {
    background-color: #0f172a !important;
    color: #ffffff !important;
    border: 1px solid #64748b !important;
}

.pdf-viewer-embedded .pdf-zoom-select {
    background-color: #0f172a !important;
    color: #ffffff !important;
    border: 1px solid #64748b !important;
}

/* Responsive & Mobile Optimizations */
@media (max-width: 768px) {
    .pdf-reader-toolbar {
        padding: 0 6px;
    }

    .pdf-doc-title-box {
        max-width: 140px;
        font-size: 12px;
    }

    .pdf-toolbar-hide-mobile {
        display: none !important;
    }

    .pdf-reader-sidebar {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        box-shadow: 4px 0 16px rgba(0, 0, 0, 0.5);
    }

    .pdf-search-bar {
        left: 10px;
        right: 10px;
    }

    .pdf-search-input {
        width: 100%;
    }
}