/**
 * PDF Viewer styles for PDF Embed & SEO Optimize.
 *
 * @package PDF_Viewer_2026
 */

/* ==========================================================================
   PDF Viewer Container
   ========================================================================== */

.pdf-embed-seo-optimize-container {
    background: #525659;
    border-radius: 4px;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.pdf-embed-seo-optimize-container[data-theme="light"] {
    background: #f0f0f0;
}

.pdf-embed-seo-optimize-container[data-theme="dark"] {
    background: #2d2d2d;
}

/* ==========================================================================
   Toolbar
   ========================================================================== */

.pdf-embed-seo-optimize-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 15px;
    background: #323639;
    border-bottom: 1px solid #1a1a1a;
    flex-wrap: wrap;
    gap: 10px;
}

.pdf-embed-seo-optimize-container[data-theme="light"] .pdf-embed-seo-optimize-toolbar {
    background: #e0e0e0;
    border-bottom-color: #ccc;
}

.pdf-embed-seo-optimize-toolbar-left,
.pdf-embed-seo-optimize-toolbar-center,
.pdf-embed-seo-optimize-toolbar-right {
    display: flex !important;
    visibility: visible !important;
    align-items: center;
    gap: 8px;
}

/* Toolbar Buttons */
.pdf-embed-seo-optimize-btn {
    display: inline-flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    padding: 0;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: #d9d9d9;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.pdf-embed-seo-optimize-container[data-theme="light"] .pdf-embed-seo-optimize-btn {
    color: #333;
}

.pdf-embed-seo-optimize-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.pdf-embed-seo-optimize-container[data-theme="light"] .pdf-embed-seo-optimize-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #000;
}

.pdf-embed-seo-optimize-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pdf-embed-seo-optimize-btn .dashicons {
    display: inline-block !important;
    visibility: visible !important;
    font-size: 20px;
    width: 20px;
    height: 20px;
    line-height: 1;
}

/* Page Navigation */
.pdf-embed-seo-optimize-page-info {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #d9d9d9;
    font-size: 13px;
}

.pdf-embed-seo-optimize-container[data-theme="light"] .pdf-embed-seo-optimize-page-info {
    color: #333;
}

.pdf-embed-seo-optimize-page-input {
    width: 50px;
    height: 28px;
    padding: 2px 8px;
    border: 1px solid #5a5a5a;
    border-radius: 4px;
    background: #404040;
    color: #fff;
    text-align: center;
    font-size: 13px;
}

.pdf-embed-seo-optimize-container[data-theme="light"] .pdf-embed-seo-optimize-page-input {
    background: #fff;
    border-color: #ccc;
    color: #333;
}

.pdf-embed-seo-optimize-page-input:focus {
    outline: none;
    border-color: #0073aa;
}

.pdf-embed-seo-optimize-total-pages {
    min-width: 30px;
}

/* Zoom Controls */
.pdf-embed-seo-optimize-zoom-level {
    min-width: 50px;
    text-align: center;
    color: #d9d9d9;
    font-size: 13px;
}

.pdf-embed-seo-optimize-container[data-theme="light"] .pdf-embed-seo-optimize-zoom-level {
    color: #333;
}

/* ==========================================================================
   Viewer Area
   ========================================================================== */

.pdf-embed-seo-optimize-viewer {
    position: relative;
    min-height: 600px;
    max-height: 85vh;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 15px;
    background: #525659;
}

.pdf-embed-seo-optimize-container[data-theme="light"] .pdf-embed-seo-optimize-viewer {
    background: #808080;
}

.pdf-embed-seo-optimize-container[data-theme="dark"] .pdf-embed-seo-optimize-viewer {
    background: #1a1a1a;
}

/* Page wrapper (positions annotation layer over canvas) */
.pdf-embed-seo-optimize-page-wrapper {
    position: relative;
    display: inline-block;
}

/* Canvas */
.pdf-embed-seo-optimize-canvas {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    max-width: 100%;
    height: auto;
}

/* Annotation layer (overlays canvas for AcroForm fields) */
.pdf-embed-seo-optimize-annotation-layer {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: auto;
    z-index: 3;
}

.pdf-embed-seo-optimize-annotation-layer input,
.pdf-embed-seo-optimize-annotation-layer select,
.pdf-embed-seo-optimize-annotation-layer textarea {
    pointer-events: auto;
}

/* Fallback form field styles */
.pdf-form-field {
    position: absolute;
    background: rgba(220, 235, 255, 0.4);
    border: 1px solid rgba(0, 85, 170, 0.3);
    border-radius: 2px;
    font-size: 12px;
    padding: 2px 4px;
    box-sizing: border-box;
    outline: none;
}

.pdf-form-field:focus {
    background: rgba(220, 235, 255, 0.7);
    border-color: rgba(0, 85, 170, 0.6);
    box-shadow: 0 0 3px rgba(0, 85, 170, 0.3);
}

.pdf-form-checkbox,
.pdf-form-radio {
    width: auto !important;
    height: auto !important;
    min-width: 16px;
    min-height: 16px;
    cursor: pointer;
}

.pdf-form-select {
    cursor: pointer;
}

/* Form toolbar */
.pdf-embed-seo-optimize-form-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px;
    background: #2b5797;
    color: #fff;
    font-size: 13px;
}

.pdf-embed-seo-optimize-form-toolbar-label {
    font-weight: 600;
    margin-right: auto;
}

.pdf-embed-seo-optimize-form-toolbar .pdf-embed-seo-optimize-btn {
    width: auto;
    height: auto;
    padding: 4px 12px;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    color: #fff;
    white-space: nowrap;
}

.pdf-embed-seo-optimize-form-toolbar .pdf-embed-seo-optimize-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Loading State */
.pdf-embed-seo-optimize-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: #fff;
}

.pdf-embed-seo-optimize-container[data-theme="light"] .pdf-embed-seo-optimize-loading {
    color: #333;
}

.pdf-embed-seo-optimize-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: pdf-viewer-spin 1s linear infinite;
}

.pdf-embed-seo-optimize-container[data-theme="light"] .pdf-embed-seo-optimize-loading .spinner {
    border-color: rgba(0, 0, 0, 0.3);
    border-top-color: #333;
}

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

.pdf-embed-seo-optimize-loading-text {
    font-size: 14px;
}

/* Error State */
.pdf-embed-seo-optimize-error {
    padding: 20px;
    text-align: center;
    color: #e74c3c;
    background: #fff3f3;
    border: 1px solid #e74c3c;
    border-radius: 4px;
    margin: 10px;
}

/* ==========================================================================
   Fullscreen Mode
   ========================================================================== */

.pdf-embed-seo-optimize-container.is-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    border-radius: 0;
}

.pdf-embed-seo-optimize-container.is-fullscreen .pdf-embed-seo-optimize-viewer {
    max-height: none;
    height: calc(100vh - 50px);
}

/* ==========================================================================
   Single PDF Page
   ========================================================================== */

.pdf-embed-seo-optimize-single {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
    box-sizing: border-box;
}

/* Override theme sidebar constraints on PDF pages (single and archive) */
.single-pdf_document .site-content,
.single-pdf_document .content-area,
.single-pdf_document #primary,
.single-pdf_document .entry-content,
.post-type-archive-pdf_document .site-content,
.post-type-archive-pdf_document .content-area,
.post-type-archive-pdf_document #primary,
.post-type-archive-pdf_document .entry-content {
    width: 100% !important;
    max-width: 100% !important;
    float: none !important;
    margin: 0 auto !important;
}

/* Hide sidebar on PDF document pages for full-width viewer (single and archive) */
.single-pdf_document .widget-area,
.single-pdf_document #secondary,
.single-pdf_document aside.sidebar,
.post-type-archive-pdf_document .widget-area,
.post-type-archive-pdf_document #secondary,
.post-type-archive-pdf_document aside.sidebar {
    display: none !important;
}

.pdf-embed-seo-optimize-article {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.pdf-embed-seo-optimize-header {
    margin-bottom: 20px;
}

.pdf-embed-seo-optimize-title {
    margin: 0 0 10px;
    font-size: 28px;
    line-height: 1.3;
}

.pdf-embed-seo-optimize-excerpt {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}

.pdf-embed-seo-optimize-description {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.pdf-embed-seo-optimize-footer {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.pdf-embed-seo-optimize-meta {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 14px;
}

/* ==========================================================================
   Archive Page
   ========================================================================== */

.pdf-embed-seo-optimize-archive {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

/* Boxed layout - use ID+class selector to override sidebar width rules and maintain max-width constraint */
.post-type-archive-pdf_document #primary.pdf-embed-seo-optimize-archive:not(.pdf-embed-seo-optimize-archive-full-width),
.post-type-archive-pdf_document .content-area.pdf-embed-seo-optimize-archive:not(.pdf-embed-seo-optimize-archive-full-width) {
    max-width: 1200px !important;
    width: 100%;
    margin: 0 auto !important;
}

/* Full-width archive layout */
.pdf-embed-seo-optimize-archive-full-width {
    max-width: none !important;
    width: 100%;
}

/* Archive content wrapper - applies background color seamlessly to header + content */
.pdf-embed-seo-optimize-archive-content-wrapper {
    /* Default: no background, wrapper is transparent */
    width: 100%;
    box-sizing: border-box;
}

.pdf-embed-seo-optimize-archive-header {
    margin-bottom: 20px;
    text-align: center;
}

.pdf-embed-seo-optimize-archive-title {
    margin: 0 0 10px;
    font-size: 32px;
}

.pdf-embed-seo-optimize-archive-description {
    color: #666;
    font-size: 16px;
}

/* Grid Layout */
.pdf-embed-seo-optimize-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    width: 100%;
    box-sizing: border-box;
}

/* Card */
.pdf-embed-seo-optimize-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.pdf-embed-seo-optimize-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.pdf-embed-seo-optimize-card-thumbnail {
    height: 180px;
    overflow: hidden;
    background: #f5f5f5;
}

.pdf-embed-seo-optimize-card-thumbnail a {
    display: block;
    height: 100%;
}

.pdf-embed-seo-optimize-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pdf-embed-seo-optimize-card-thumbnail-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.pdf-embed-seo-optimize-card-thumbnail-placeholder .dashicons {
    font-size: 60px;
    width: 60px;
    height: 60px;
    color: #fff;
}

.pdf-embed-seo-optimize-card-content {
    padding: 20px;
}

/* Card content inherits custom font color when set via inline style */
.pdf-embed-seo-optimize-card-content[style*="color"] .pdf-embed-seo-optimize-card-title a {
    color: inherit;
}

.pdf-embed-seo-optimize-card-content[style*="color"] .pdf-embed-seo-optimize-card-excerpt {
    color: inherit;
    opacity: 0.85;
}

.pdf-embed-seo-optimize-card-content[style*="color"] .pdf-embed-seo-optimize-card-meta {
    color: inherit;
    opacity: 0.7;
}

.pdf-embed-seo-optimize-card-title {
    margin: 0 0 10px;
    font-size: 18px;
    line-height: 1.4;
}

.pdf-embed-seo-optimize-card-title a {
    color: #333;
    text-decoration: none;
}

.pdf-embed-seo-optimize-card-title a:hover {
    color: #0073aa;
}

.pdf-embed-seo-optimize-card-excerpt {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.pdf-embed-seo-optimize-card-meta {
    display: flex;
    gap: 15px;
    color: #999;
    font-size: 13px;
    margin-bottom: 15px;
}

.pdf-embed-seo-optimize-card-link {
    display: inline-block;
    padding: 8px 16px;
    background: #0073aa;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background 0.2s;
}

.pdf-embed-seo-optimize-card-link:hover {
    background: #005a87;
    color: #fff;
}

/* Pagination */
.pdf-embed-seo-optimize-pagination {
    margin-top: 40px;
    text-align: center;
}

/* No Results */
.pdf-embed-seo-optimize-no-results {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

/* ==========================================================================
   Sitemap Shortcode
   ========================================================================== */

.pdf-embed-seo-optimize-sitemap {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pdf-embed-seo-optimize-sitemap-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.pdf-embed-seo-optimize-sitemap-item:last-child {
    border-bottom: none;
}

.pdf-embed-seo-optimize-sitemap-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
}

.pdf-embed-seo-optimize-sitemap-item a {
    color: #0073aa;
    text-decoration: none;
}

.pdf-embed-seo-optimize-sitemap-item a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Shortcode Container
   ========================================================================== */

.pdf-embed-seo-optimize-shortcode {
    margin: 20px 0;
}

.pdf-embed-seo-optimize-shortcode .pdf-embed-seo-optimize-container {
    height: 100%;
}

.pdf-embed-seo-optimize-shortcode .pdf-embed-seo-optimize-viewer {
    height: calc(100% - 50px);
    max-height: none;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media screen and (max-width: 768px) {
    .pdf-embed-seo-optimize-toolbar {
        padding: 10px;
        justify-content: center;
    }

    .pdf-embed-seo-optimize-toolbar-left,
    .pdf-embed-seo-optimize-toolbar-center,
    .pdf-embed-seo-optimize-toolbar-right {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pdf-embed-seo-optimize-viewer {
        min-height: 400px;
        padding: 10px;
    }

    .pdf-embed-seo-optimize-grid {
        grid-template-columns: 1fr;
    }

    .pdf-embed-seo-optimize-single,
    .pdf-embed-seo-optimize-archive {
        padding: 10px;
    }

    .pdf-embed-seo-optimize-article {
        padding: 15px;
    }

    .pdf-embed-seo-optimize-title {
        font-size: 22px;
    }
}

/* Small mobile - compact toolbar to fit all buttons */
@media screen and (max-width: 480px) {
    .pdf-embed-seo-optimize-toolbar {
        padding: 8px;
        gap: 6px;
    }

    .pdf-embed-seo-optimize-toolbar-left,
    .pdf-embed-seo-optimize-toolbar-center,
    .pdf-embed-seo-optimize-toolbar-right {
        gap: 4px;
    }

    /* Smaller buttons on mobile */
    .pdf-embed-seo-optimize-btn {
        width: 28px;
        height: 28px;
        min-width: 28px;
        min-height: 28px;
    }

    .pdf-embed-seo-optimize-btn .dashicons {
        font-size: 18px;
        width: 18px;
        height: 18px;
    }

    /* Smaller page input */
    .pdf-embed-seo-optimize-page-input {
        width: 40px;
        height: 24px;
        padding: 2px 4px;
        font-size: 12px;
    }

    .pdf-embed-seo-optimize-page-info,
    .pdf-embed-seo-optimize-zoom-level {
        font-size: 12px;
    }
}

/* Extra small mobile - ensure buttons are always visible */
@media screen and (max-width: 360px) {
    .pdf-embed-seo-optimize-toolbar {
        padding: 6px;
        gap: 4px;
    }

    .pdf-embed-seo-optimize-toolbar-left,
    .pdf-embed-seo-optimize-toolbar-center,
    .pdf-embed-seo-optimize-toolbar-right {
        gap: 2px;
    }

    /* Even smaller buttons for very small screens */
    .pdf-embed-seo-optimize-btn {
        width: 26px;
        height: 26px;
        min-width: 26px;
        min-height: 26px;
    }

    .pdf-embed-seo-optimize-btn .dashicons {
        font-size: 16px;
        width: 16px;
        height: 16px;
    }

    /* Hide zoom level text to save space */
    .pdf-embed-seo-optimize-zoom-level {
        display: none;
    }

    /* Smaller page input */
    .pdf-embed-seo-optimize-page-input {
        width: 36px;
        height: 22px;
        font-size: 11px;
    }

    .pdf-embed-seo-optimize-page-info {
        font-size: 11px;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    /* Page setup for proper scaling */
    @page {
        margin: 1cm;
        size: A4 portrait;
    }

    /* Hide all toolbar and control elements */
    .pdf-embed-seo-optimize-toolbar,
    .pdf-embed-seo-optimize-btn,
    .pdf-embed-seo-optimize-loading,
    .pdf-embed-seo-optimize-error {
        display: none !important;
    }

    /* Remove decorative styles from container */
    .pdf-embed-seo-optimize-container {
        box-shadow: none !important;
        border: none !important;
        background: transparent !important;
        overflow: visible !important;
    }

    .pdf-embed-seo-optimize-viewer {
        overflow: visible !important;
        background: transparent !important;
        padding: 0 !important;
        max-height: none !important;
        min-height: auto !important;
    }

    /* Canvas print optimization */
    .pdf-embed-seo-optimize-canvas {
        max-width: 100% !important;
        height: auto !important;
        box-shadow: none !important;
        page-break-inside: avoid;
        break-inside: avoid;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    /* Single page layout */
    .pdf-embed-seo-optimize-single {
        padding: 0 !important;
    }

    .pdf-embed-seo-optimize-article {
        box-shadow: none !important;
        border: none !important;
    }
}

/* ==========================================================================
   Breadcrumb Navigation
   ========================================================================== */

.pdf-embed-seo-optimize-breadcrumb {
    margin-bottom: 20px;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 4px;
    font-size: 14px;
}

.pdf-embed-seo-optimize-breadcrumb-list {
    list-style: none !important;
    margin: 0;
    padding: 0;
    display: flex !important;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.pdf-embed-seo-optimize-breadcrumb-list li {
    display: inline-flex !important;
    visibility: visible !important;
    list-style: none !important;
}

.pdf-embed-seo-optimize-breadcrumb-item {
    display: inline-flex !important;
    align-items: center;
    visibility: visible !important;
    opacity: 1 !important;
}

.pdf-embed-seo-optimize-breadcrumb-item:not(:last-child)::after {
    content: "›";
    margin-left: 8px;
    color: #6c757d;
    font-weight: bold;
}

.pdf-embed-seo-optimize-breadcrumb-item a {
    color: #0073aa;
    text-decoration: none;
    transition: color 0.2s;
}

.pdf-embed-seo-optimize-breadcrumb-item a:hover {
    color: #005177;
    text-decoration: underline;
}

.pdf-embed-seo-optimize-breadcrumb-item a:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

.pdf-embed-seo-optimize-breadcrumb-current {
    color: #495057;
    font-weight: 500;
    display: inline-flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* ==========================================================================
   List View (Archive)
   ========================================================================== */

/* Wrapper for positioning the list block (left, center, right) */
.pdf-embed-seo-optimize-list-wrapper {
    display: flex;
    width: 100%;
    /* justify-content set via inline style: flex-start, center, or flex-end */
}

.pdf-embed-seo-optimize-list-nav {
    border-radius: 8px;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

/* In full-width layout, constrain list width for readability */
.pdf-embed-seo-optimize-archive-full-width .pdf-embed-seo-optimize-list-nav {
    max-width: 800px;
}

/* Only apply default white background and shadow when no custom background is set */
.pdf-embed-seo-optimize-archive-content-wrapper:not([style*="background"]) .pdf-embed-seo-optimize-list-nav {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* List items inherit custom font color when set via inline style */
.pdf-embed-seo-optimize-list-nav[style*="color"] .pdf-embed-seo-optimize-list-link {
    color: inherit;
}

.pdf-embed-seo-optimize-list-nav[style*="color"] .pdf-embed-seo-optimize-list-title {
    color: inherit;
}

.pdf-embed-seo-optimize-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pdf-embed-seo-optimize-list-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: background-color 0.2s;
    padding: 12px 20px;
    /* Keep icons aligned in a vertical column regardless of parent text-align */
    text-align: left;
}

.pdf-embed-seo-optimize-list-item:last-child {
    border-bottom: none;
}

.pdf-embed-seo-optimize-list-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.pdf-embed-seo-optimize-list-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.4;
}

.pdf-embed-seo-optimize-list-link:hover {
    color: #0073aa;
}

.pdf-embed-seo-optimize-list-link:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

.pdf-embed-seo-optimize-list-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    border-radius: 4px;
    color: #fff;
}

.pdf-embed-seo-optimize-list-title {
    flex: 1;
}

.pdf-embed-seo-optimize-list-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    margin-left: 44px;
    font-size: 13px;
    color: #6c757d;
}

.pdf-embed-seo-optimize-list-date {
    display: inline;
}

.pdf-embed-seo-optimize-list-views {
    display: inline;
}

.pdf-embed-seo-optimize-list-description {
    margin: 8px 0 0 44px;
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

/* ==========================================================================
   Accessibility - Screen Reader Only
   ========================================================================== */

.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: #21759b;
    display: block;
    font-size: 14px;
    font-weight: bold;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

/* ==========================================================================
   Focus Styles (Accessibility)
   ========================================================================== */

.pdf-embed-seo-optimize-card-link:focus,
.pdf-embed-seo-optimize-card-title a:focus,
.pdf-embed-seo-optimize-card-thumbnail a:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

/* ==========================================================================
   High Contrast Mode Support
   ========================================================================== */

@media (prefers-contrast: high) {
    .pdf-embed-seo-optimize-card {
        border: 2px solid #000;
    }

    .pdf-embed-seo-optimize-list-item {
        border-bottom: 2px solid #000;
    }

    .pdf-embed-seo-optimize-breadcrumb {
        border: 2px solid #000;
    }

    .pdf-embed-seo-optimize-card-link {
        border: 2px solid #000;
    }
}

/* ==========================================================================
   Reduced Motion Support
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .pdf-embed-seo-optimize-card,
    .pdf-embed-seo-optimize-btn,
    .pdf-embed-seo-optimize-card-link,
    .pdf-embed-seo-optimize-list-item {
        transition: none;
    }

    @keyframes pdf-viewer-spin {
        to {
            transform: rotate(0deg);
        }
    }
}

/* ==========================================================================
   List View Responsive
   ========================================================================== */

@media screen and (max-width: 768px) {
    .pdf-embed-seo-optimize-breadcrumb {
        padding: 10px;
        font-size: 13px;
    }

    .pdf-embed-seo-optimize-list-link {
        font-size: 15px;
    }

    .pdf-embed-seo-optimize-list-meta {
        margin-left: 0;
        margin-top: 10px;
        flex-wrap: wrap;
    }

    .pdf-embed-seo-optimize-list-description {
        margin-left: 0;
    }
}