/* PDF tool core */
@import url('./png-special-tool.css');
.site-header{height:64px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid #e7e9ee}.brand{font-size:22px;font-weight:900;color:#111;text-decoration:none}.home-btn{color:#111;text-decoration:none;font-weight:700}.special-shell{max-width:1180px;margin:24px auto 72px;padding:0 20px}.file-list,.result-list{display:grid;gap:12px}.result-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px;border:1px solid #e5e7eb;border-radius:14px;background:#fff}.result-item div{display:grid;gap:5px}.result-item span{font-size:13px;color:#667085}.error{border-color:#fca5a5!important;background:#fff1f2!important;color:#b91c1c!important}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.field{display:grid;gap:8px}.field label{font-weight:800}.field input,.field select{padding:12px;border:1px solid #d0d5dd;border-radius:10px;background:#fff}.hidden{display:none!important}@media(max-width:640px){.special-shell{padding:0 12px}.result-item{align-items:flex-start;flex-direction:column}.result-item button{width:100%}}.format-guide{display:grid;gap:18px}.format-guide>div>p{margin:8px 0 0;color:#667085;line-height:1.7}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.guide-grid>div{padding:16px;border:1px solid #e5e7eb;border-radius:14px;background:#f8fafc}.guide-grid h3{margin:0 0 9px;font-size:15px}.guide-grid ul{margin:0;padding-left:19px;color:#475467;line-height:1.65}.pdf-file-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px;border:1px solid #e5e7eb;border-radius:14px;background:#fff}.pdf-file-row.dragging{opacity:.55;border-style:dashed}.order-badge{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#111827;color:#fff;font-weight:900}.file-main{display:grid;gap:5px;min-width:0}.file-main strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-main>span,.field small{font-size:12px;color:#667085}.range-label{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:#344054}.range-label input{min-width:160px;padding:8px 10px;border:1px solid #d0d5dd;border-radius:9px}.file-actions{display:flex;align-items:center;gap:7px}.icon-btn{width:36px;height:36px;border:1px solid #d0d5dd;border-radius:9px;background:#fff;font-weight:900;cursor:pointer}.summary-strip{margin-top:14px;padding:12px 14px;border-radius:12px;background:#eef4ff;color:#3538cd;font-weight:800}.field small{line-height:1.45}.field-check label{display:flex;align-items:center;gap:8px}.note.compact{margin-top:14px}.result-actions{display:flex;justify-content:flex-end;margin-bottom:12px}.result-actions.hidden{display:none}.options-grid .hidden{display:none!important}@media(max-width:760px){.guide-grid{grid-template-columns:1fr}.pdf-file-row{grid-template-columns:auto minmax(0,1fr)}.file-actions{grid-column:1/-1}.file-actions button{flex:1}.range-label{align-items:flex-start;flex-direction:column}.range-label input{width:100%}}
.page-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.page-selector{display:grid;grid-template-columns:repeat(auto-fill,minmax(58px,1fr));gap:10px}.page-chip{min-height:58px;border:1px solid #d0d5dd;border-radius:12px;background:#fff;color:#344054;font-weight:900;cursor:pointer;transition:.15s ease}.page-chip:hover{border-color:#667085;transform:translateY(-1px)}.page-chip.selected{background:#111827;color:#fff;border-color:#111827;box-shadow:0 6px 16px rgba(17,24,39,.18)}#pageSelectionSummary{font-size:14px;color:#3538cd}@media(max-width:640px){.page-selector{grid-template-columns:repeat(4,minmax(0,1fr))}.page-chip{min-height:52px}.page-toolbar button{flex:1 1 40%}}
.pdf-progress{display:grid;gap:9px;margin:0 0 14px;padding:14px;border:1px solid #dbe3ef;border-radius:14px;background:#f8fafc}.pdf-progress-track{height:10px;overflow:hidden;border-radius:999px;background:#e5e7eb}.pdf-progress-track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#2563eb,#4f46e5);transition:width .28s ease}.pdf-progress p{margin:0;font-size:13px;color:#475467}.pdf-progress.error{border-color:#fca5a5;background:#fff1f2}.pdf-progress.error .pdf-progress-track span{background:#dc2626}.pdf-progress.error p{color:#b91c1c}
.pdf-action-buttons{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.pdf-action-buttons .convert-btn{flex:1 1 280px}.ghost-btn.danger{border-color:#fca5a5;color:#b42318;background:#fff7f7}.ghost-btn.danger:hover{background:#fee4e2}.ghost-btn.danger:disabled{opacity:.65;cursor:wait}@media(max-width:640px){.pdf-action-buttons>*{width:100%}}

/* v1.91 PDF thumbnail workspace */
.page-toolbar-divider{width:1px;align-self:stretch;background:#e5e7eb;margin:0 2px}.page-thumbnail-grid{grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:14px}.page-thumbnail-card{position:relative;display:grid;gap:8px;padding:10px;border:1px solid #dbe3ef;border-radius:16px;background:#fff;box-shadow:0 5px 18px rgba(15,23,42,.05);transition:.15s ease}.page-thumbnail-card:hover{transform:translateY(-2px);border-color:#94a3b8}.page-thumbnail-card.selected{outline:3px solid #2563eb;border-color:#2563eb}.page-thumbnail-card.deleted{opacity:.52;background:#fff1f2}.page-thumbnail-card.dragging{opacity:.35}.page-thumbnail-select{display:grid;place-items:center;gap:7px;width:100%;padding:0;border:0;background:transparent;cursor:pointer}.page-thumbnail-select canvas{display:block;max-width:100%;height:150px;object-fit:contain;background:#f8fafc;border:1px solid #e2e8f0;border-radius:9px}.page-thumbnail-select canvas.thumbnail-fallback{background:linear-gradient(135deg,#f8fafc,#e2e8f0)}.page-thumbnail-number{position:absolute;top:16px;left:16px;display:grid;place-items:center;min-width:28px;height:28px;padding:0 7px;border-radius:999px;background:#111827;color:#fff;font-size:12px;font-weight:900}.page-thumbnail-select small{color:#64748b;font-weight:800}.page-thumbnail-select em{color:#b42318;font-style:normal;font-weight:900}.page-card-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.page-card-actions button{min-height:34px;border:1px solid #d0d5dd;border-radius:9px;background:#fff;font-weight:800;cursor:pointer}.page-card-actions button:hover{background:#f1f5f9}@media(max-width:640px){.page-thumbnail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.page-thumbnail-select canvas{height:125px}.page-toolbar-divider{display:none}}

/* v1.92 advanced PDF split */
.split-estimate{margin-top:18px;padding:16px;border:1px solid #dbe5f1;border-radius:14px;background:#f8fbff}.split-estimate.error{border-color:#f1b7b7;background:#fff7f7}.split-estimate>strong{display:block;margin-bottom:5px}.split-estimate p{margin:0;color:#526174}.split-estimate-groups{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.split-estimate-groups span{padding:6px 9px;border-radius:999px;background:#fff;border:1px solid #dce6f1;font-size:12px}.result-item.result-failed{border-color:#efb0b0;background:#fff8f8}.result-file-badge.error{background:#ffe1e1;color:#a51e1e}@media(max-width:640px){.split-estimate-groups{display:grid;grid-template-columns:1fr}.split-estimate-groups span{border-radius:10px}}


/* v1.94 compression estimate and actual comparison */
.compression-estimate{margin-top:18px;padding:17px;border:1px solid #cfe0f5;border-radius:16px;background:linear-gradient(135deg,#f7fbff,#eef5ff)}.compression-estimate-head{display:flex;justify-content:space-between;gap:12px;align-items:center}.compression-estimate-head>span{padding:5px 9px;border-radius:999px;background:#fff;border:1px solid #cbdcf2;color:#294a7a;font-size:12px;font-weight:900}.compression-estimate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:13px}.compression-estimate-grid>div{display:grid;gap:4px;padding:12px;border-radius:12px;background:#fff;border:1px solid #dbe7f5}.compression-estimate-grid span{font-size:12px;color:#64748b}.compression-estimate-grid strong{font-size:15px;color:#172554}.compression-estimate p{margin:11px 0 0;color:#526174;font-size:13px;line-height:1.55}.compression-actual-comparison{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:5px 14px;align-items:center;margin:14px 0;padding:15px;border:1px solid #cde5d5;border-radius:14px;background:#f3fbf6}.compression-actual-comparison strong,.compression-actual-comparison p{margin:0}.compression-actual-comparison p{color:#526174;font-size:13px}.compression-actual-comparison span{grid-row:1/3;grid-column:2;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900}.compression-actual-comparison span.within{background:#dcfce7;color:#166534}.compression-actual-comparison span.outside{background:#fff7d6;color:#854d0e}@media(max-width:640px){.compression-estimate-grid{grid-template-columns:1fr}.compression-actual-comparison{grid-template-columns:1fr}.compression-actual-comparison span{grid-row:auto;grid-column:auto;justify-self:start}}


/* v1.95 PDF Merge PRO */
.merge-file-card{grid-template-columns:132px minmax(0,1fr) auto;align-items:stretch}.merge-file-preview{position:relative;display:grid;place-items:center;min-height:142px;padding:8px;border-radius:12px;background:#f8fafc;border:1px solid #dbe3ef}.merge-file-preview canvas{display:block;max-width:100%;max-height:126px;background:#fff;box-shadow:0 4px 12px rgba(15,23,42,.12)}.merge-file-preview canvas.thumbnail-fallback{width:82px;height:110px;background:linear-gradient(145deg,#fff,#e2e8f0)}.merge-file-preview>span{position:absolute;top:8px;left:8px;display:grid;place-items:center;min-width:27px;height:27px;padding:0 7px;border-radius:999px;background:#111827;color:#fff;font-size:12px;font-weight:900}.range-label em{padding:4px 7px;border-radius:999px;background:#eaf7ef;color:#176b3a;font-style:normal;font-size:11px}.range-label em.invalid{background:#fff0f0;color:#b42318}.merge-estimate{margin-top:18px;padding:17px;border:1px solid #cfe0f5;border-radius:16px;background:linear-gradient(135deg,#f8fbff,#f0f6ff)}.merge-estimate-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.merge-estimate-head>span{padding:5px 9px;border-radius:999px;background:#fff;border:1px solid #cbdcf2;color:#294a7a;font-size:12px;font-weight:900}.merge-estimate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:13px}.merge-estimate-grid>div{display:grid;gap:4px;padding:12px;border:1px solid #dbe7f5;border-radius:12px;background:#fff}.merge-estimate-grid span{font-size:12px;color:#64748b}.merge-estimate-grid strong{color:#172554}.merge-estimate-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.merge-estimate-list span{display:flex;gap:6px;align-items:center;max-width:100%;padding:6px 9px;border:1px solid #dce6f1;border-radius:999px;background:#fff;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.merge-estimate-list b{display:grid;place-items:center;min-width:20px;height:20px;border-radius:999px;background:#1e3a8a;color:#fff;font-size:10px}.merge-estimate p{margin:11px 0 0;color:#526174;font-size:13px}@media(max-width:760px){.merge-file-card{grid-template-columns:96px minmax(0,1fr)}.merge-file-preview{min-height:112px}.merge-file-preview canvas{max-height:96px}.merge-file-card .file-actions{grid-column:1/-1}.merge-estimate-grid{grid-template-columns:1fr}.merge-estimate-list{display:grid;grid-template-columns:1fr}.merge-estimate-list span{border-radius:10px}}

/* v1.97.0 integrated page editor */
.page-thumbnail-card.extract-marked{border-color:#7c3aed;box-shadow:0 0 0 3px rgba(124,58,237,.12),0 5px 18px rgba(15,23,42,.05)}
.page-thumbnail-select .extract-badge{color:#6d28d9;background:#f3e8ff;border-radius:999px;padding:3px 8px;font-size:11px}
.page-card-actions{grid-template-columns:repeat(4,minmax(0,1fr))}
.page-card-actions button{font-size:12px;padding:4px 5px}
@media(max-width:640px){.page-card-actions{grid-template-columns:repeat(3,minmax(0,1fr))}.page-toolbar button{flex:1 1 44%;min-height:42px}}
.cm-capability-policy{margin:12px 0;padding:14px 15px;border:1px solid #bfdbfe;border-radius:14px;background:#eff6ff;color:#1e3a5f}.cm-capability-policy__head{display:flex;align-items:center;justify-content:space-between;gap:10px}.cm-capability-policy__grade{padding:4px 8px;border-radius:999px;background:#dbeafe;font-size:.78rem;font-weight:900}.cm-capability-policy p{margin:7px 0 10px;font-size:.86rem}.cm-capability-policy__limits{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.cm-capability-policy__limits span{display:grid;gap:2px;padding:8px;border-radius:10px;background:#fff;font-size:.8rem}.cm-capability-policy__limits b{font-size:.72rem;color:#2563eb}.cm-capability-policy small{display:block;margin-top:9px;line-height:1.45;color:#526174}@media(max-width:560px){.cm-capability-policy__limits{grid-template-columns:1fr}.cm-capability-policy__head{align-items:flex-start;flex-direction:column}}


/* v3.15.3 PDF analysis result experience */
.analysis-experience{margin:18px 0;padding:18px;border:1px solid #cbd9ee;border-radius:18px;background:linear-gradient(180deg,#f8fbff,#fff)}
.analysis-experience-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:14px}.analysis-experience-head h3{margin:2px 0 5px}.analysis-experience-head p{margin:0;color:#52617a}.analysis-export-actions{display:flex;gap:8px;flex-wrap:wrap}
.analysis-summary-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.analysis-summary-card{appearance:none;text-align:left;border:1px solid #d8e1ef;background:#fff;border-radius:14px;padding:13px;cursor:pointer;color:inherit}.analysis-summary-card span,.analysis-summary-card small{display:block}.analysis-summary-card strong{display:block;font-size:25px;margin:3px 0}.analysis-summary-card.analysis-danger{border-color:#f0b5b5}.analysis-summary-card.analysis-warning{border-color:#eed59a}.analysis-summary-card.analysis-safe{border-color:#adddbd}
.analysis-filter-bar{display:flex;justify-content:space-between;gap:12px;align-items:end;margin:16px 0}.analysis-search{display:grid;gap:5px;min-width:min(360px,100%)}.analysis-search span{font-size:13px;font-weight:750}.analysis-search input{width:100%;padding:11px 12px;border:1px solid #cbd6e7;border-radius:11px;background:#fff}.analysis-severity-filters{display:flex;gap:7px;flex-wrap:wrap}.analysis-severity-filters button{border:1px solid #cbd6e7;background:#fff;border-radius:999px;padding:8px 11px;cursor:pointer}.analysis-severity-filters button.active{background:#172f63;color:#fff;border-color:#172f63}.analysis-severity-filters b{font-size:12px}
.analysis-finding-list{display:grid;gap:8px;max-height:470px;overflow:auto;padding-right:4px}.analysis-finding{display:grid;grid-template-columns:auto 1fr;gap:11px;align-items:start;border:1px solid #e0e7f2;border-left-width:4px;border-radius:12px;padding:12px;background:#fff}.analysis-finding p{margin:3px 0 0;line-height:1.55;overflow-wrap:anywhere}.analysis-finding.analysis-danger{border-left-color:#cf3434}.analysis-finding.analysis-warning{border-left-color:#d89000}.analysis-finding.analysis-info{border-left-color:#3976cf}.analysis-finding.analysis-safe{border-left-color:#26945a}.analysis-severity-badge{font-size:12px;font-weight:800;border-radius:999px;padding:4px 8px;background:#eef3fa}.analysis-empty-state{text-align:center;border:1px dashed #9bc7aa;border-radius:14px;padding:24px;background:#f3fff7}.analysis-empty-state p{margin:7px 0 0;color:#536559}.analysis-visible-count{margin:10px 0 0;text-align:right;color:#68758a;font-size:13px}
@media(max-width:760px){.analysis-experience-head,.analysis-filter-bar{display:grid}.analysis-summary-cards{grid-template-columns:1fr 1fr}.analysis-export-actions button{flex:1}.analysis-search{min-width:0}.analysis-severity-filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.analysis-severity-filters button{white-space:nowrap}}


/* v3.16.6 PDF page workbench UX */
.page-selection-presets{display:flex;gap:8px;flex-wrap:wrap}.page-quick-select{display:flex;align-items:center;gap:8px;flex:1 1 360px}.page-quick-select label{font-size:13px;font-weight:850;color:#344054;white-space:nowrap}.page-quick-select input{min-width:180px;flex:1;padding:10px 11px;border:1px solid #cbd5e1;border-radius:10px;background:#fff}.page-operation-preview{display:grid;gap:4px;margin:14px 0;padding:14px 15px;border:1px solid #d7e0ec;border-radius:14px;background:#f8fafc}.page-operation-preview strong{color:#172554}.page-operation-preview p{margin:0;color:#526174;font-size:13px;line-height:1.5}.page-operation-preview[data-state="ready"]{border-color:#a9d3bb;background:#f2fbf5}.page-toolbar [hidden],.page-toolbar .hidden{display:none!important}
html[data-pdf-tool-mode="rotate"] .page-card-actions [data-act="up"],html[data-pdf-tool-mode="rotate"] .page-card-actions [data-act="down"],html[data-pdf-tool-mode="rotate"] .page-card-actions [data-act="copy"],html[data-pdf-tool-mode="rotate"] .page-card-actions [data-act="extract"],html[data-pdf-tool-mode="rotate"] .page-card-actions [data-act="delete"],html[data-pdf-tool-mode="delete"] .page-card-actions [data-act="up"],html[data-pdf-tool-mode="delete"] .page-card-actions [data-act="down"],html[data-pdf-tool-mode="delete"] .page-card-actions [data-act="left"],html[data-pdf-tool-mode="delete"] .page-card-actions [data-act="right"],html[data-pdf-tool-mode="delete"] .page-card-actions [data-act="copy"],html[data-pdf-tool-mode="delete"] .page-card-actions [data-act="extract"],html[data-pdf-tool-mode="extract"] .page-card-actions [data-act="up"],html[data-pdf-tool-mode="extract"] .page-card-actions [data-act="down"],html[data-pdf-tool-mode="extract"] .page-card-actions [data-act="left"],html[data-pdf-tool-mode="extract"] .page-card-actions [data-act="right"],html[data-pdf-tool-mode="extract"] .page-card-actions [data-act="copy"],html[data-pdf-tool-mode="extract"] .page-card-actions [data-act="delete"],html[data-pdf-tool-mode="reorder"] .page-card-actions [data-act="left"],html[data-pdf-tool-mode="reorder"] .page-card-actions [data-act="right"],html[data-pdf-tool-mode="reorder"] .page-card-actions [data-act="copy"],html[data-pdf-tool-mode="reorder"] .page-card-actions [data-act="extract"],html[data-pdf-tool-mode="reorder"] .page-card-actions [data-act="delete"],html[data-pdf-tool-mode="duplicate"] .page-card-actions [data-act="up"],html[data-pdf-tool-mode="duplicate"] .page-card-actions [data-act="down"],html[data-pdf-tool-mode="duplicate"] .page-card-actions [data-act="left"],html[data-pdf-tool-mode="duplicate"] .page-card-actions [data-act="right"],html[data-pdf-tool-mode="duplicate"] .page-card-actions [data-act="extract"],html[data-pdf-tool-mode="duplicate"] .page-card-actions [data-act="delete"]{display:none}
@media(max-width:700px){.page-quick-select{display:grid;grid-template-columns:1fr auto;flex-basis:100%}.page-quick-select label{grid-column:1/-1}.page-quick-select input{min-width:0}.page-selection-presets{display:grid;grid-template-columns:1fr 1fr;width:100%}.page-selection-presets button{width:100%}}

/* v3.17.1 PDF compression benchmark UX */
.compression-recommendation{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;padding:13px;border-radius:13px;background:#fff;border:1px solid #dbe7f5}.compression-recommendation>div{display:grid;gap:4px}.compression-recommendation span{font-size:12px;color:#64748b}.compression-recommendation strong{font-size:14px;color:#172554;line-height:1.45}.compression-preset-compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}.compression-preset-card{display:grid;gap:5px;text-align:left;padding:13px;border:1px solid #dbe7f5;border-radius:13px;background:#fff;cursor:pointer}.compression-preset-card:hover,.compression-preset-card.active{border-color:#2563eb;box-shadow:0 0 0 2px rgba(37,99,235,.10)}.compression-preset-card span{font-size:12px;font-weight:900;color:#1d4ed8}.compression-preset-card strong{font-size:14px;color:#172554}.compression-preset-card em{font-style:normal;font-size:12px;color:#64748b}.compression-quality-preview{margin-top:14px;padding:14px;border-radius:14px;background:#fff;border:1px solid #dbe7f5}.compression-preview-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.compression-preview-head p{margin:4px 0 0}.compression-preview-head>span{padding:5px 9px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:12px;font-weight:900}.compression-preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}.compression-preview-grid figure{margin:0;display:grid;gap:7px}.compression-preview-grid canvas{width:100%;height:auto;max-height:440px;object-fit:contain;border:1px solid #d9e2ec;border-radius:10px;background:#f8fafc}.compression-preview-grid figcaption{font-size:12px;font-weight:800;color:#475569}.compression-preview-warning{font-size:12px!important;color:#64748b!important}.compression-warnings{margin-top:12px;padding:13px;border-radius:13px;background:#fffaf0;border:1px solid #fde6af}.compression-warnings strong{color:#854d0e}.compression-warnings ul,.compression-warnings p{margin:7px 0 0;padding-left:18px;color:#713f12}.compression-warnings p{padding-left:0}@media(max-width:720px){.compression-preset-compare,.compression-preview-grid{grid-template-columns:1fr}.compression-recommendation,.compression-preview-head{align-items:stretch;flex-direction:column}.compression-recommendation button{width:100%}}

/* v3.17.2 PDF merge benchmark UX */
.merge-mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}.merge-mode-switch button{padding:12px 14px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;font-weight:850;cursor:pointer}.merge-mode-switch button.active{background:#172554;color:#fff;border-color:#172554}.merge-mode-help{margin:-2px 0 12px;color:#64748b;font-size:13px}.merge-view-page .range-label{padding:10px;border:1px solid #bfdbfe;border-radius:12px;background:#eff6ff}.merge-view-page .merge-file-preview{box-shadow:0 0 0 3px rgba(37,99,235,.12)}.merge-view-page .file-actions [data-act="duplicate"]{display:none}@media(max-width:640px){.merge-mode-switch{grid-template-columns:1fr}.merge-mode-switch button{width:100%}}

/* PDF runtime diagnostics */
.diag-shell{max-width:1100px;margin:0 auto;padding:38px 20px 70px}.diag-hero{margin-bottom:22px}.diag-hero h1{font-size:34px;margin:10px 0}.diag-hero p{color:#5c6677;line-height:1.7}.diag-overall{padding:16px 18px;border-radius:14px;font-weight:800;margin:18px 0}.diag-overall.ok{background:#eaf8ef;color:#176536}.diag-overall.warn{background:#fff5e8;color:#94510a}.diag-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.diag-card{border:1px solid #dce4ef;border-radius:16px;padding:18px;background:#fff;display:flex;flex-direction:column;gap:8px;min-height:120px}.diag-card small{color:#687487;word-break:break-all}.diag-badge{align-self:flex-start;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:800}.diag-badge.ok{background:#eaf8ef;color:#176536}.diag-badge.warn{background:#fff5e8;color:#94510a}.diag-actions{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.diag-actions button,.diag-actions a{border-radius:10px;padding:11px 15px;font-weight:800;text-decoration:none}.diag-actions button{border:0;background:#2563eb;color:#fff}.diag-actions a{border:1px solid #ccd6e4;color:#1f2937}.diag-section{margin-top:28px}.diag-section h2{font-size:22px}.diag-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.diag-tool{display:flex;justify-content:space-between;gap:12px;border:1px solid #e0e6ee;border-radius:12px;padding:13px 14px;text-decoration:none;color:#1f2937;background:#fff}.diag-tool span:last-child{color:#2563eb;font-weight:800}.diag-note{background:#f7f9fc;border:1px solid #dfe6ef;border-radius:14px;padding:16px;color:#536074;line-height:1.7}@media(max-width:760px){.diag-grid,.diag-tools{grid-template-columns:1fr}.diag-hero h1{font-size:28px}}

/* PDF split selector */
html[data-pdf-tool-mode="split"] #pagePanel .page-card-actions,
html[data-pdf-tool-mode="split"] #rotateSelectedLeft,
html[data-pdf-tool-mode="split"] #rotateSelectedRight,
html[data-pdf-tool-mode="split"] #moveSelectedUp,
html[data-pdf-tool-mode="split"] #moveSelectedDown,
html[data-pdf-tool-mode="split"] #duplicateSelectedPages,
html[data-pdf-tool-mode="split"] #markExtractPages,
html[data-pdf-tool-mode="split"] #deleteSelectedPages,
html[data-pdf-tool-mode="split"] #restoreDeletedPages,
html[data-pdf-tool-mode="split"] #undoPageEdit,
html[data-pdf-tool-mode="split"] #redoPageEdit,
html[data-pdf-tool-mode="split"] .page-toolbar-divider { display:none !important; }
html[data-pdf-tool-mode="split"] .page-thumbnail-card { cursor:pointer; }
html[data-pdf-tool-mode="split"] .page-thumbnail-card.selected { outline:3px solid #5b8cff; outline-offset:2px; }
.split-page-toolbar { align-items:center; gap:.55rem; flex-wrap:wrap; }
.split-quick-range { display:flex; align-items:center; gap:.5rem; flex-wrap:wrap; width:100%; padding-top:.7rem; margin-top:.2rem; border-top:1px solid rgba(100,116,139,.22); }
.split-quick-range label { font-weight:800; }
.split-quick-range input { min-width:220px; flex:1 1 260px; padding:.72rem .8rem; border:1px solid #cbd5e1; border-radius:.7rem; background:#fff; }
html[data-pdf-tool-mode="split"] #selectedPages { background:#f8fafc; }
@media (max-width:720px){ .split-quick-range{align-items:stretch}.split-quick-range input,.split-quick-range button{width:100%} }
/* Shared PDF runtime status and recovery surfaces */
.cm-pdf-runtime-status{max-width:760px;margin:18px auto;padding:16px 18px;border:1px solid var(--cm-border,#dbe3ef);border-radius:14px;background:var(--cm-surface,#fff);box-shadow:0 8px 24px rgba(15,23,42,.07);font-family:system-ui,sans-serif;line-height:1.55;color:var(--cm-text,#172033)}
.cm-pdf-runtime-status p{margin:5px 0 0;color:var(--cm-text-muted,#5a6678)}
.cm-pdf-runtime-status.is-error p{color:var(--cm-danger,#b42318)}
.cm-pdf-startup-error{max-width:760px;margin:64px auto;padding:28px;border:1px solid var(--cm-danger-border,#fecaca);border-radius:18px;background:var(--cm-surface,#fff);font-family:system-ui,sans-serif;line-height:1.65;color:var(--cm-text,#172033)}
.cm-pdf-startup-error h1{margin:0 0 10px;font-size:24px;color:var(--cm-danger,#b42318)}
.cm-pdf-startup-error p{margin:0 0 16px;color:var(--cm-text-muted,#5a6678)}
.cm-pdf-startup-actions{display:flex;gap:10px;flex-wrap:wrap}
.cm-pdf-startup-actions button,.cm-pdf-startup-actions a{border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer;text-decoration:none}
.cm-pdf-startup-actions button{border:0;background:var(--cm-primary,#2563eb);color:#fff}
.cm-pdf-startup-actions a{border:1px solid var(--cm-border,#cbd5e1);color:var(--cm-text,#172033)}
html[data-theme="dark"] .cm-pdf-runtime-status,html[data-theme="dark"] .cm-pdf-startup-error{background:var(--cm-surface,#172033);color:var(--cm-text,#f8fafc);box-shadow:none}