:root {
            --primary-color: #000000;
            --secondary-color: #333333;
            --accent-color: #000000;
            --light-bg: #f8f9fa;
            --border-color: #dee2e6;
            --sidebar-width: 340px;
            --viewer-surface: #ebebeb;
        }

        html {
            margin: 0;
            padding: 0;
            min-height: 100%;
            background-color: var(--light-bg);
            max-width: 100%;
            width: 100%;
        }

        html:not(.itqan-editor-active) {
            overflow-x: visible;
        }

        body,
        body.bg-light-subtle {
            margin: 0;
            padding: 0;
            min-height: 100vh;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--light-bg) !important;
        }

        html:not(.itqan-editor-active) body.bg-light-subtle {
            overflow-x: visible;
            overflow-y: auto;
        }

        html.itqan-editor-active {
            height: 100%;
            overflow: hidden;
        }
        html.itqan-editor-active body.bg-light-subtle {
            overflow: hidden !important;
            height: 100%;
            max-height: 100dvh;
        }
        html.itqan-editor-active nav.navbar.navbar-expand-xl.navbar-dark.bg-dark {
            position: sticky;
            top: 0;
            z-index: 1040;
        }
        html.itqan-editor-active .navbar .dropdown-menu {
            z-index: 1060 !important;
        }
        html.itqan-editor-active .nav-dropdown-wrapper {
            z-index: 1045;
        }
        html.itqan-editor-active .nav-dropdown-menu {
            z-index: 1050;
        }
        @media (min-width: 1200px) {
            html.itqan-editor-active .navbar.navbar-expand-xl #navbarNav.collapse.navbar-collapse {
                max-height: none !important;
                overflow: visible !important;
            }
        }

        .upload-area {
            position: relative;
            cursor: pointer;
            isolation: isolate;
            transition: background-color 0.3s ease, border-color 0.3s ease;
            border: 2px dashed #ced4da;
            border-radius: 12px;
            background: var(--light-bg, #f8f9fa);
            min-height: auto;
        }
        .upload-area:hover,
        .upload-area.dragover {
            background-color: #eef0f2;
            border-color: #6b7280 !important;
        }

        #dropArea,
        .upload-area.card {
            overflow: visible;
            max-width: 100%;
            background-color: #f8f9fa !important;
            background: #f8f9fa !important;
            box-shadow: none !important;
            border: 2px dashed #ced4da !important;
        }
        .container.my-5 > .row.justify-content-center > .col-lg-8 {
            min-width: 0;
        }

        #pdfUpload {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            opacity: 0;
            cursor: pointer;
            z-index: 10;
        }

        .pdf-viewer-container {
            border: 1px solid #dee2e6;
            border-radius: 8px;
            background: #f8f9fa;
            padding: 25px;
            max-height: 800px;
            overflow-x: hidden;
            overflow-y: auto;
        }

        .pdf-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 15px;
        }

        .pdf-thumbnail-wrapper {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: transform 0.3s ease;
            cursor: move;
            padding: 10px;
            border-radius: 8px;
            background: white;
            border: 2px solid transparent;
        }

        .pdf-thumbnail-wrapper:hover {
            border-color: #dee2e6;
            background: #f8f9fa;
        }

        .pdf-thumbnail-wrapper.dragging {
            opacity: 0.5;
            border-color: #000;
        }

        .pdf-thumbnail-wrapper.drag-over {
            border-color: #090909ff;
            background: #f0f0f0;
            transform: scale(1.05);
        }

        .pdf-thumbnail-wrapper.active-file {
            border-color: #000;
            background: #f5f5f5;
        }

        .pdf-thumbnail-buttons {
            display: flex;
            gap: 6px;
            justify-content: center;
        }

        .pdf-action-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid #dee2e6;
            background: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            font-size: 14px;
        }

        .pdf-action-btn.delete {
            color: #dc3545;
        }

        .pdf-action-btn.delete:hover {
            background: #dc3545;
            color: white;
            border-color: #dc3545;
        }

        .pdf-action-btn.rotate {
            color: #28a745;
        }

        .pdf-action-btn.rotate:hover {
            background: #28a745;
            color: white;
            border-color: #28a745;
        }

        .pdf-thumbnail {
            background: white;
            border: 1px solid #dee2e6;
            border-radius: 6px;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            width: 100%;
            aspect-ratio: 8.5 / 11;
            min-height: 220px;
        }

        .pdf-thumbnail.landscape {
            aspect-ratio: 11 / 8.5;
            min-height: 160px;
        }

        .pdf-thumbnail-wrapper.landscape-card .pdf-thumbnail.landscape {
            min-height: 140px;
        }

        .pdf-thumbnail:hover {
            box-shadow: 0 2px 6px rgba(0,0,0,0.15);
            border-color: #000;
        }

        .pdf-thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
            transition: opacity 0.2s ease;
        }

        .pdf-page-name {
            text-align: center;
            font-size: 0.75rem;
            color: #666;
            word-break: break-word;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .additional-upload-row {
            display: flex;
            gap: 15px;
            justify-content: center;
            align-items: center;
            margin: 15px 0;
            padding: 12px;
            background: #f8f9fa;
            border-radius: 6px;
            border: 1px dashed #dee2e6;
        }

        .cloud-upload-btn {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid #dee2e6;
            background: white;
            transition: all 0.3s;
            cursor: pointer;
            padding: 0;
            position: relative;
            z-index: 100;
        }

        .cloud-upload-btn:hover {
            border-color: #000;
            transform: scale(1.1);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .stats-card {
            background: white;
            border-radius: 8px;
            padding: 15px;
            border: 1px solid var(--border-color);
        }

        .feature-icon {
            width: 45px;
            height: 45px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
        }

        .feature-icon i {
            color: white;
            font-size: 18px;
        }

        .loading-spinner {
            display: none;
            text-align: center;
            padding: 20px;
        }

        .cloud-icon {
            position: relative;
            display: inline-block;
            transition: transform 0.3s ease;
            z-index: 101;
        }
        .cloud-tooltip {
            visibility: hidden;
            width: 140px;
            background-color: #333;
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 8px 5px;
            position: absolute;
            z-index: 1000;
            bottom: 125%;
            left: 50%;
            margin-left: -70px;
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 12px;
            white-space: nowrap;
            pointer-events: none;
        }
        .cloud-tooltip::after {
            content: "";
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: -5px;
            border-width: 5px;
            border-style: solid;
            border-color: #333 transparent transparent transparent;
        }
        .cloud-icon:hover .cloud-tooltip {
            visibility: visible;
            opacity: 1;
        }

        .btn-merge {
            background-color: #000;
            border-color: #000;
            color: #fff;
        }
        .btn-merge:hover {
            background-color: #333;
            border-color: #333;
            color: #fff;
        }

        .alert-custom {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 9999;
            width: 90%;
            max-width: 500px;
            border-radius: 12px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.3);
            border: 0;
            animation: slideInDown 0.4s ease-out;
        }

        @keyframes slideInDown {
            from {
                opacity: 0;
                transform: translate(-50%, -100px);
            }
            to {
                opacity: 1;
                transform: translate(-50%, -50%);
            }
        }

        .alert-custom.alert-warning {
            background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
            border-left: 5px solid #000000;
        }

        .alert-custom .alert-content {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 0;
        }

        .alert-custom .alert-icon {
            font-size: 40px;
            color: #ffffff;
            flex-shrink: 0;
        }

        .alert-custom .alert-text h5 {
            margin: 0;
            color: #ffffff;
            font-weight: 600;
            font-size: 18px;
        }

        .alert-custom .alert-text p {
            margin: 8px 0 0 0;
            color: #d0d0d0;
            font-size: 14px;
            line-height: 1.4;
        }

        .alert-custom .btn-close {
            color: #ffffff;
            opacity: 0.8;
            transition: opacity 0.3s;
        }

        .alert-custom .btn-close:hover {
            opacity: 1;
        }

        .btn-close-custom {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 24px;
            cursor: pointer;
            padding: 0;
            margin-right: 10px;
            opacity: 0.8;
            transition: opacity 0.3s;
            flex-shrink: 0;
        }

        .btn-close-custom:hover {
            opacity: 1;
        }

        .btn-close-custom::before {
            content: "×";
        }

        #adContainer {
            margin: 20px 0;
            text-align: center;
            overflow: hidden;
            max-width: 100%;
            box-sizing: border-box;
        }
        #adContainer ins.adsbygoogle {
            display: block !important;
            width: min(100%, 728px) !important;
            max-width: 100% !important;
            margin-left: auto !important;
            margin-right: auto !important;
        }
        #adContainer iframe {
            max-width: 100% !important;
            width: 100% !important;
            display: block !important;
            margin-left: auto !important;
            margin-right: auto !important;
            box-sizing: border-box !important;
        }

.sidebar-ads {
    display: none !important;
    visibility: hidden !important;
}

.sidebar-ads.visible {
    display: block !important;
    visibility: visible !important;
    background: #007bff !important;
    padding: 10px !important;
    border-radius: 8px !important;
}

.sidebar-left {
    position: fixed;
    left: 20px;
    top: 150px;
    width: auto;
    max-width: 300px;
    z-index: 100;
}

.sidebar-right {
    position: fixed;
    right: 20px;
    top: 150px;
    width: auto;
    max-width: 300px;
    z-index: 100;
}

@media (max-width: 768px) {
    .sidebar-left,
    .sidebar-right {
        display: none !important;
    }
}

        .main-editor {
            display: none;
            height: calc(100vh - 60px);
            flex-direction: row;
            min-width: 0;
            min-height: 0;
        }
        html.itqan-editor-active #editor-section.main-editor {
            display: flex !important;
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            top: var(--itqan-editor-top, 72px);
            height: auto !important;
            min-height: 0 !important;
            box-sizing: border-box;
            z-index: 1;
        }
        #editor-section .sidebar {
            width: var(--sidebar-width);
            min-width: var(--sidebar-width);
            flex: 0 0 var(--sidebar-width);
            background: #fff;
            border-left: 1px solid #ddd;
            display: flex;
            flex-direction: column;
            position: relative;
            z-index: 1;
            overflow: hidden;
            min-height: 0;
            height: 100%;
        }
        #editor-section .sidebar .merge-sidebar-body {
            padding-top: 0;
            flex: 1 1 auto;
            min-height: 0;
            overflow-x: hidden;
            overflow-y: auto;
            overscroll-behavior-y: contain;
        }
        .merge-sidebar-header {
            flex-shrink: 0;
            padding: 16px 18px;
            border-bottom: 1px solid #eee;
            font-weight: 700;
            font-size: 17px;
            line-height: 1.35;
            background: #fff;
            position: relative;
            z-index: 2;
            text-align: center;
            color: #222;
        }
        .merge-sidebar-body {
            padding: 16px 18px 12px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        #editor-section .sidebar > .merge-sidebar-footer {
            flex-shrink: 0;
            margin-top: auto;
            padding: 14px 18px 18px;
            border-top: 1px solid #eee;
            background: #fff;
            z-index: 2;
        }
        .merge-sidebar-section {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .merge-sidebar-label {
            font-size: 0.8rem;
            font-weight: 700;
            color: #666;
            text-align: center;
            margin: 0;
        }
        #editor-section .merge-cloud-stack {
            display: flex;
            flex-direction: row;
            gap: 12px;
            align-items: center;
            justify-content: center;
            padding: 12px 14px;
            background: #f8f9fa;
            border: 1px dashed #dee2e6;
            border-radius: 10px;
            width: 100%;
            box-sizing: border-box;
        }
        .merge-stats-sidebar.stats-card {
            display: flex;
            flex-direction: column;
            gap: 0;
            margin: 0;
            width: 100%;
            background: transparent;
            border: none;
            padding: 0;
        }
        .merge-stats-sidebar .merge-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .merge-stats-sidebar .merge-stat-item:last-child {
            border-bottom: 0;
        }
        .merge-stats-sidebar .merge-stat-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: #111;
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
        }
        .merge-stats-sidebar .merge-stat-text strong {
            display: block;
            font-size: 0.95rem;
            line-height: 1.15;
        }
        .merge-stats-sidebar .merge-stat-text small {
            font-size: 0.72rem;
            color: #888;
        }
        .merge-sidebar-btn-clear {
            width: 100%;
            padding: 10px 14px;
            border-radius: 10px;
            border: 1px solid #ddd;
            background: #f5f5f5;
            color: #444;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.2s, border-color 0.2s;
        }
        .merge-sidebar-btn-clear:hover {
            background: #eee;
            border-color: #bbb;
            color: #222;
        }
        .btn-finish {
            background: #000;
            color: #fff;
            width: 100%;
            border: none;
            padding: 15px;
            font-size: 18px;
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .btn-finish:hover:not(:disabled) {
            background: #222;
            color: #fff;
        }
        .btn-finish:disabled {
            opacity: 0.55;
            cursor: not-allowed;
        }
        .viewer-container {
            flex: 1 1 auto;
            min-width: 0;
            min-height: 0;
            background: var(--viewer-surface);
            overflow: hidden;
            padding: 0 12px 12px;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .viewer-container #adContainerViewer {
            margin-top: 16px;
            flex-shrink: 0;
            text-align: center;
        }
        .viewer-container #adContainerViewer ins.adsbygoogle {
            display: inline-block !important;
            width: min(100%, 728px) !important;
            max-width: 100% !important;
            margin-left: auto !important;
            margin-right: auto !important;
        }
        .files-bar {
            flex-shrink: 0;
            padding: 8px 12px 12px;
            background: var(--viewer-surface);
            border-bottom: none;
        }
        .files-bar__inner {
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 6px 10px;
            width: 100%;
            max-width: 100%;
            box-sizing: border-box;
        }
        .files-bar .file-pill {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #ffffff;
            border: 1px solid #e0e0e0;
            border-radius: 999px;
            padding: 6px 14px 6px 10px;
            box-shadow: 0 1px 4px rgba(0,0,0,0.06);
            min-width: min(100%, 320px);
            max-width: min(100%, 520px);
        }
        .files-bar .file-pill__select {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 14px;
            outline: none;
            text-align: right;
            direction: rtl;
            min-width: 0;
            max-width: 100%;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            padding-inline-end: 4px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23666' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: left 4px center;
            padding-left: 18px;
        }
        .files-bar .file-pill__select option {
            direction: rtl;
            text-align: right;
        }
        .files-bar .file-pill__delete {
            background: transparent;
            border: none;
            color: #6c757d;
            font-size: 16px;
            cursor: pointer;
            padding: 4px 6px;
            border-radius: 6px;
            transition: color 0.2s, background 0.2s;
        }
        .files-bar .file-pill__delete:hover {
            color: #dc3545;
            background: #f8d7da33;
        }
        #mergeFilePages {
            min-width: 0;
            width: 100%;
            flex: 1 1 auto;
            min-height: 0;
            overflow-y: auto;
            overflow-x: hidden;
            overscroll-behavior-y: contain;
            padding-top: 8px;
        }
        html.itqan-editor-active #pagePreview.pdf-viewer-container {
            border: none;
            border-radius: 0;
            background: transparent;
            max-height: none;
            overflow: visible;
            padding: 25px;
            width: 100%;
            box-sizing: border-box;
        }
        #editor-section .loading-spinner {
            flex-shrink: 0;
            padding: 24px;
        }
        @media (max-width: 991.98px) {
            html.itqan-editor-active { overflow: auto !important; height: auto !important; }
            html.itqan-editor-active body.bg-light-subtle { overflow: auto !important; height: auto !important; max-height: none !important; }
            .main-editor { flex-direction: column !important; height: auto !important; }
            html.itqan-editor-active #editor-section.main-editor { position: relative !important; flex-direction: column !important; height: auto !important; top: auto !important; left: auto !important; right: auto !important; bottom: auto !important; }
            #editor-section .sidebar { order: 1 !important; position: relative !important; width: 100% !important; min-width: 0 !important; max-height: none !important; height: auto !important; flex: none !important; border-left: none; border-top: 1px solid #ddd; }
            #editor-section .sidebar .merge-sidebar-body { overflow: visible !important; max-height: none !important; height: auto !important; }
            .viewer-container { order: 2 !important; width: 100% !important; min-height: 50vh; overflow: visible !important; }
            #editor-section .sidebar > .merge-sidebar-footer, .main-editor .p-3 { position: fixed; bottom: 0; left: 0; right: 0; z-index: 1050; padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px)) !important; background: #fff; border-top: 1px solid #e8e8e8; box-shadow: 0 -4px 20px rgba(0,0,0,0.1); }
            .btn-finish { padding: 14px !important; font-size: 16px !important; border-radius: 10px !important; }
            html.itqan-editor-active .tool-seo-visible-wrap, html.itqan-editor-active .merge-seo-content { display: none !important; }
        }
        @media (max-width: 576px) {
            html.itqan-editor-active #pagePreview.pdf-viewer-container {
                padding: 16px;
            }
        }

        .compress-result-wrap {
            display: none;
            margin-top: 24px;
        }
        .compress-result-card {
            background: #ffffff;
            border: 1px solid #e8e8e8;
            border-radius: 14px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
            padding: 28px 20px;
            text-align: center;
        }
        .compress-result-actions {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin: 8px 0 18px;
        }
        .compress-result-download {
            background: #111111;
            color: #fff;
            border: 0;
            border-radius: 10px;
            padding: 14px 28px;
            font-size: 20px;
            font-weight: 700;
            min-width: 320px;
            transition: transform .15s ease, background .2s ease;
        }
        .compress-result-download:hover {
            background: #000000;
            transform: translateY(-1px);
        }
        .compress-result-next {
            width: 42px;
            height: 42px;
            border-radius: 999px;
            border: 0;
            background: #4f4f4f;
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .compress-quick-actions {
            display: inline-flex;
            flex-direction: row;
            gap: 10px;
            margin-bottom: 14px;
        }
        .quick-action-wrap {
            position: relative;
            display: inline-flex;
        }
        .quick-action-note {
            position: absolute;
            bottom: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%);
            background: #565666;
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 7px 11px;
            border-radius: 6px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity .15s ease, transform .15s ease;
            z-index: 5;
        }
        .quick-action-note::after {
            content: '';
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            border: 6px solid transparent;
            border-top-color: #565666;
        }
        .quick-action-wrap:hover .quick-action-note {
            opacity: 1;
            transform: translateX(-50%) translateY(-2px);
        }
        .compress-quick-actions .quick-action-btn {
            width: 54px;
            height: 54px;
            border-radius: 999px;
            border: 2px solid #d8dce2;
            background: #ffffff;
            color: #2c2c2c;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            transition: transform .15s ease, filter .2s ease;
        }
        .compress-quick-actions .quick-action-btn:hover {
            transform: translateY(-2px);
            filter: brightness(0.98);
        }
        .compress-quick-actions .quick-action-btn i {
            font-size: 22px;
        }
        #saveToGoogleBtn i {
            color: #ea4335;
        }
        #saveToDropboxBtn i {
            color: #0b67ff;
        }
        #deleteMergedBtn {
            background: #ffffff;
            border-color: #f0c9c9;
        }
        #deleteMergedBtn i {
            color: #e5322d;
        }
        .compress-result-tools {
            border: 1px solid #ececec;
            border-radius: 12px;
            padding: 16px;
            background: linear-gradient(180deg, #fcfcfc 0%, #f6f6f6 100%);
            margin-bottom: 14px;
        }
        .compress-result-tools h6 {
            margin: 0 0 10px;
            font-size: 16px;
            color: #555;
            font-weight: 700;
        }
        .compress-result-tool-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px 12px;
        }
        .compress-result-tool-links a {
            text-decoration: none;
            color: #2e2e2e;
            font-size: 14px;
            padding: 8px 10px;
            border-radius: 10px;
            background: #fff;
            border: 1px solid #ececec;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-weight: 600;
            transition: all .15s ease;
        }
        .compress-result-tool-links a:hover {
            border-color: #dbdbdb;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.06);
        }
        .compress-tool-icon {
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0d6efd;
            font-size: 16px;
            flex: 0 0 24px;
            background: transparent;
        }
        .compress-tool-label {
            flex: 1 1 auto;
            text-align: right;
        }
        .merge-result-more-wrap {
            margin-top: 12px;
            text-align: center;
        }
        .merge-result-more-btn {
            border: 1px solid #d8d8d8;
            background: #fff;
            color: #222;
            border-radius: 10px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            transition: all .15s ease;
        }
        .merge-result-more-btn:hover {
            border-color: #c5c5c5;
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(0,0,0,0.06);
        }
        .compress-result-bottom {
            margin-top: 14px;
        }

        .upload-pick-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            transform: translateX(18px);
            position: relative;
            z-index: 20;
        }
        .upload-cloud-stack {
            display: flex;
            flex-direction: column;
            gap: 1px;
            position: relative;
            z-index: 220;
            pointer-events: auto;
        }
        .upload-cloud-stack .cloud-icon,
        .upload-cloud-stack .cloud-upload-btn {
            pointer-events: auto;
        }

        .container.my-5 {
            margin-top: 1rem !important;
            margin-bottom: 2rem !important;
        }
        #mergePageHeader {
            margin-bottom: 0.3rem !important;
        }
        #mergePageHeader .display-5 {
            font-size: clamp(1.75rem, 3.5vw, 2.15rem);
            margin-bottom: 0.15rem !important;
            line-height: 1.2;
        }
        #mergePageHeader .lead {
            margin-bottom: 0;
            font-size: 0.98rem;
            line-height: 1.3;
        }
        #upload-section #dropArea.upload-area,
        #upload-section #dropArea.card.upload-area {
            width: min(100%, var(--itqan-tool-panel-w, 46.5rem));
            max-width: min(100%, var(--itqan-tool-panel-w, 46.5rem));
            margin-left: auto;
            margin-right: auto;
            padding: 0.65rem 1.55rem 0.45rem !important;
            box-shadow: none !important;
            overflow: visible !important;
            background-color: #f8f9fa !important;
            background: #f8f9fa !important;
            border: 2px dashed #ced4da !important;
        }
        @media (min-width: 576px) {
            #upload-section #dropArea.upload-area,
            #upload-section #dropArea .card-body,
            #upload-section #dropArea .upload-row-wrap,
            #upload-section #dropArea .d-flex.justify-content-center {
                overflow: visible !important;
            }
        }
        @media (min-width: 992px) {
            #upload-section #dropArea.upload-area {
                padding-block: 0.75rem 0.5rem !important;
                padding-inline: 1.55rem !important;
                overflow: visible !important;
            }
        }
        @media (max-width: 575.98px) {
            #upload-section #dropArea.upload-area {
                width: 100%;
                padding: 1rem !important;
                overflow: visible !important;
            }
            #upload-section #dropArea .card-body,
            #upload-section #dropArea .upload-row-wrap {
                overflow: visible !important;
            }
        }
        #upload-section #dropArea .card-body {
            padding: 0.3rem 0.85rem 0.2rem;
            overflow: visible !important;
            width: 100%;
            background: transparent !important;
        }
        #upload-section #dropArea .upload-row-wrap {
            overflow: visible !important;
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        @media (max-width: 768px) {
            .upload-pick-wrap { transform: none; }
        }
        @media (max-width: 576px) {
            .compress-result-download {
                min-width: 100%;
                font-size: 18px;
            }
            .compress-result-tool-links {
                grid-template-columns: 1fr;
            }
        }
        .merge-sidebar-help-btn {
            width: 100%;
            margin: 0 0 0.85rem;
            padding: 0.55rem 0.75rem;
            font-size: 0.82rem;
            font-weight: 600;
            border: 1px dashed var(--border-color);
            border-radius: 8px;
            background: #fff;
            color: #333;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.45rem;
            transition: background 0.15s ease, border-color 0.15s ease;
        }
        .merge-sidebar-help-btn:hover {
            background: #f8f9fa;
            border-color: #adb5bd;
            color: #111;
        }
.merge-seo-content {
            margin-top: 2.5rem;
            padding-top: 1.75rem;
            border-top: 1px solid var(--border-color);
            max-width: 42rem;
            margin-left: auto;
            margin-right: auto;
        }
        .merge-seo-content--modal {
            margin-top: 0;
            padding-top: 0;
            border-top: none;
            max-width: none;
        }
        .merge-seo-steps {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: merge-howto-step;
        }
        .merge-seo-steps li {
            counter-increment: merge-howto-step;
            display: flex;
            gap: 0.85rem;
            align-items: flex-start;
            padding: 0.55rem 0;
            color: #495057;
            font-size: 0.95rem;
            line-height: 1.55;
        }
        .merge-seo-steps li::before {
            content: counter(merge-howto-step);
            flex-shrink: 0;
            width: 1.65rem;
            height: 1.65rem;
            border-radius: 50%;
            background: #111;
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 0.1rem;
        }
        .merge-seo-faq .accordion-button {
            font-size: 0.95rem;
            font-weight: 600;
            padding: 0.85rem 1rem;
        }
        .merge-seo-faq .accordion-button:not(.collapsed) {
            background: #f8f9fa;
            color: #111;
            box-shadow: none;
        }
        .merge-seo-faq .accordion-item {
            border-color: var(--border-color);
        }

        /* PDF/A options in sidebar */
        .pdfa-options-sidebar {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 14px 16px;
            border: 1px solid #dee2e6;
            width: 100%;
        }
        .pdfa-options-sidebar h6 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #333;
            margin: 0 0 10px;
        }
        .pdfa-options-sidebar .info-box {
            font-size: 0.78rem;
            line-height: 1.65;
            color: #444;
            background: #eef6ff;
            border: 1px solid #cfe2ff;
            border-radius: 8px;
            padding: 10px 12px;
            margin-bottom: 12px;
        }
        .pdfa-options-sidebar select {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            font-size: 0.88rem;
            background: #fff;
        }
        .pdfa-conformance-desc {
            font-size: 0.78rem;
            color: #666;
            margin-top: 8px;
            line-height: 1.6;
            display: none;
        }
        .pdfa-conformance-desc.active { display: block; }
        .pdfa-downgrade-check {
            margin-top: 12px;
            font-size: 0.82rem;
            line-height: 1.55;
        }
        .pdfa-downgrade-check label {
            display: flex;
            gap: 8px;
            align-items: flex-start;
            cursor: pointer;
            font-weight: 600;
            color: #333;
        }
        .pdfa-downgrade-check input { margin-top: 3px; accent-color: #000; }
        .pdfa-downgrade-check small {
            display: block;
            font-weight: 400;
            color: #777;
            margin-top: 4px;
        }