:root{--bg:#f7f9fc;--surface:#fff;--primary:#2563eb;--primary-hover:#1d4ed8;--accent:#14b8a6;--text:#111827;--muted:#667085;--border:#e5e7eb;--soft:#f1f5f9;--success:#16a34a;--warning:#f59e0b;--error:#dc2626;--radius:14px;--shadow:0 8px 30px rgba(15,23,42,.06)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(1240px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}.header-inner{min-height:68px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text);font-size:20px;white-space:nowrap}.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);display:grid;place-items:center;color:#fff}.desktop-nav{display:flex;gap:20px;margin-left:auto;align-items:center}.desktop-nav a{color:#344054;font-weight:600;font-size:14px}.menu-toggle{display:none;margin-left:auto;background:var(--surface);border:1px solid var(--border);border-radius:10px;min-width:44px;min-height:44px}.mobile-nav{padding:0 0 14px}.mobile-nav a{display:block;padding:10px 2px;color:#344054;font-weight:600}.breadcrumb{font-size:14px;color:var(--muted);padding:18px 0}.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}.breadcrumb li+li:before{content:'›';margin-right:8px;color:#98a2b3}.hero{text-align:center;padding:24px 0 18px}.hero h1{font-size:clamp(30px,4vw,48px);line-height:1.1;margin:0 0 16px;letter-spacing:-.03em}.hero p{max-width:780px;margin:0 auto;color:var(--muted);font-size:18px}.privacy-pill{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:8px 12px;border:1px solid #b9eee4;background:#effcf9;border-radius:999px;color:#0f766e;font-weight:700;font-size:14px}.tool-shell{width:min(1060px,100%);margin:22px auto 34px}.tool-card,.content-card,.result-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.tool-card{padding:24px}.drop-zone{border:2px dashed #bfdbfe;border-radius:16px;padding:44px 20px;text-align:center;background:#f8fbff;transition:.18s}.drop-zone.dragover{background:#eff6ff;border-color:var(--primary)}.drop-icon{width:64px;height:64px;margin:0 auto 14px;border-radius:18px;background:#dbeafe;display:grid;place-items:center;color:var(--primary);font-size:30px}.drop-zone h2{margin:0 0 4px;font-size:24px}.muted{color:var(--muted)}.btn{min-height:46px;border-radius:10px;border:1px solid var(--border);padding:10px 17px;font-weight:700;background:#fff;color:#344054;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{background:var(--soft);text-decoration:none}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{color:#b42318}.btn:disabled{opacity:.5;cursor:not-allowed}.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.file-summary{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px;border:1px solid var(--border);border-radius:12px;background:#fbfcfe;margin-bottom:18px}.file-summary strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.meta-line{color:var(--muted);font-size:14px}.workspace-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,.75fr);gap:20px}.panel{border:1px solid var(--border);border-radius:12px;padding:18px;background:#fff}.panel h2,.panel h3{margin-top:0}.form-row{display:grid;gap:7px;margin:14px 0}.form-row label,.legend{font-weight:700}.form-row input,.form-row select,.form-row textarea{width:100%;border:1px solid #d0d5dd;border-radius:9px;padding:10px 12px;background:#fff;min-height:44px}.form-row textarea{min-height:180px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}.radio-cards{display:grid;gap:10px}.radio-card{position:relative;border:1px solid var(--border);border-radius:12px;padding:13px;display:flex;gap:10px;align-items:flex-start}.radio-card:has(input:checked){border-color:var(--primary);box-shadow:0 0 0 2px #dbeafe}.radio-card input{margin-top:5px}.notice{padding:12px 14px;border-radius:10px;background:#fffaeb;border:1px solid #fedf89;color:#7a2e0e;font-size:14px}.notice.info{background:#eff8ff;border-color:#b2ddff;color:#1849a9}.error-box{padding:12px 14px;border-radius:10px;background:#fef3f2;border:1px solid #fecdca;color:#b42318;margin:12px 0}.preview-area{min-height:260px;border:1px solid var(--border);border-radius:12px;background:#eef2f7;padding:14px;overflow:auto}.preview-paper{background:#fff;margin:0 auto 14px;box-shadow:0 4px 14px rgba(15,23,42,.08);max-width:100%}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:14px}.image-card{border:1px solid var(--border);border-radius:12px;padding:10px;background:#fff}.image-card.dragging{opacity:.5}.thumb{aspect-ratio:4/3;background:#f2f4f7;border-radius:8px;display:grid;place-items:center;overflow:hidden;margin-bottom:8px}.thumb img{width:100%;height:100%;object-fit:contain}.image-card strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.small-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.icon-btn{min-width:38px;min-height:38px;border:1px solid var(--border);border-radius:8px;background:#fff}.sheet-list,.slide-list{display:grid;gap:8px}.sheet-option{display:flex;gap:9px;align-items:center;padding:8px;border:1px solid var(--border);border-radius:8px}.progress-wrap{margin:16px 0}.progress{height:10px;background:#e5e7eb;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:var(--primary);width:0;transition:width .15s}.progress.indeterminate span{animation:pulse 1.2s infinite alternate}@keyframes pulse{from{width:20%}to{width:70%}}.result-panel{padding:24px;margin-top:20px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0}.stat{padding:14px;border-radius:10px;background:#f8fafc;border:1px solid var(--border)}.stat b{display:block;font-size:19px}.ad-slot{margin:26px auto;display:grid;place-items:center;color:#98a2b3;border:1px dashed #d0d5dd;background:#fff;border-radius:10px;min-height:90px;font-size:12px}.ad-mobile{display:none;min-height:50px}.content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.article{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:clamp(20px,4vw,38px)}.article h2{font-size:clamp(25px,3vw,32px);line-height:1.25;margin:34px 0 12px}.article h3{font-size:21px;margin-top:24px}.article p,.article li{color:#475467}.article li{margin:6px 0}.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;padding-left:44px;position:relative;margin:16px 0}.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:#dbeafe;color:#1d4ed8;display:grid;place-items:center;font-weight:800}.faq details{border-top:1px solid var(--border);padding:14px 0}.faq summary{font-weight:750;cursor:pointer}.related-grid,.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}.tool-link-card{display:block;border:1px solid var(--border);border-radius:12px;padding:18px;background:#fff;color:var(--text);transition:.15s}.tool-link-card:hover{border-color:#93c5fd;transform:translateY(-2px);text-decoration:none}.tool-link-card .icon{font-size:26px}.site-footer{margin-top:48px;border-top:1px solid var(--border);background:#fff;padding:32px 0;color:#667085}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.footer-grid h3{color:var(--text);font-size:16px}.footer-grid a{display:block;margin:6px 0;color:#475467}.pptx-slide{position:relative;background:white;overflow:hidden}.excel-table{border-collapse:collapse;background:#fff;font-size:12px}.excel-table td,.excel-table th{border:1px solid #d0d5dd;padding:5px 7px;min-width:70px;vertical-align:top}.excel-table th{background:#f2f4f7;position:sticky;top:0}.docx-page{width:794px;min-height:1123px;padding:76px;background:white;color:#111827;margin:0 auto 18px;overflow:hidden}.docx-page p{margin:0 0 10px}.docx-page table{width:100%;border-collapse:collapse;margin:10px 0}.docx-page td,.docx-page th{border:1px solid #cbd5e1;padding:6px}.html-preview-frame{width:100%;height:520px;border:0;background:#fff;border-radius:8px}.screen-reader{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}@media(max-width:900px){.desktop-nav{display:none}.menu-toggle{display:block}.workspace-grid,.content-wrap{grid-template-columns:1fr}.sidebar{display:none}.footer-grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}.ad-desktop{display:none}.ad-mobile{display:grid}}@media(max-width:560px){.container{width:min(100% - 20px,1240px)}.tool-card{padding:15px}.drop-zone{padding:32px 12px}.file-summary{grid-template-columns:1fr}.actions .btn{flex:1}.stats{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.hero p{font-size:16px}.docx-page{transform-origin:top left}.image-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* Responsive containment for fixed-size Office previews. */
.workspace-grid>*,.panel,.preview-area{min-width:0;max-width:100%}.preview-area{overflow:auto;overscroll-behavior:contain}.docx-page{flex:0 0 auto}
/* Convert-from-PDF additions */
.pdf-page-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-top:14px}.pdf-page-card{position:relative;border:1px solid var(--border);border-radius:12px;background:#fff;padding:8px;min-width:0}.pdf-page-card button{width:100%;border:0;background:transparent;padding:0;text-align:left;color:inherit}.pdf-page-card.selected{border-color:var(--primary);box-shadow:0 0 0 2px #dbeafe}.pdf-thumb{aspect-ratio:3/4;background:#eef2f7;border-radius:8px;display:grid;place-items:center;overflow:hidden}.pdf-thumb canvas{max-width:100%;max-height:100%;display:block}.page-badge{display:flex;justify-content:space-between;gap:6px;align-items:center;margin-top:7px;font-size:13px}.chip{display:inline-flex;align-items:center;gap:5px;padding:4px 8px;border-radius:999px;background:#f2f4f7;color:#475467;font-size:12px;font-weight:700}.segmented{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}.segmented label{border:1px solid var(--border);border-radius:10px;padding:10px 12px;display:flex;gap:8px;align-items:flex-start;background:#fff}.segmented label:has(input:checked){border-color:var(--primary);box-shadow:0 0 0 2px #dbeafe}.table-editor{overflow:auto;max-height:500px;border:1px solid var(--border);border-radius:10px}.table-editor table{border-collapse:collapse;min-width:100%;background:#fff}.table-editor td,.table-editor th{border:1px solid #d0d5dd;padding:6px 8px;min-width:90px;vertical-align:top}.table-editor td[contenteditable="true"]{background:#fffdf5}.table-editor th{background:#f8fafc;position:sticky;top:0;z-index:1}.tab-row{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.tab-btn{border:1px solid var(--border);border-radius:999px;background:#fff;padding:7px 11px;font-weight:700}.tab-btn.active{background:#eff6ff;color:#1d4ed8;border-color:#93c5fd}.mode-explainer{display:grid;gap:10px;margin:14px 0}.status-list{display:grid;gap:6px;font-size:14px}.status-ok{color:#166534}.status-warn{color:#92400e}.disabled-tool{border:1px solid #fed7aa;background:#fff7ed;border-radius:12px;padding:18px}.code-like{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;white-space:pre-wrap;word-break:break-word}.result-downloads{display:flex;flex-wrap:wrap;gap:10px}.page-selector-tools{display:flex;flex-wrap:wrap;gap:8px;align-items:end}.page-selector-tools .form-row{margin:0;min-width:180px;flex:1}.compact{font-size:14px}.range-help{font-size:13px;color:var(--muted)}.file-characteristics{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.ocr-note{padding:12px;border-radius:10px;background:#fffaeb;border:1px solid #fedf89;color:#7a2e0e}.qa-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#ecfdf3;color:#067647;font-weight:800;font-size:13px}.pdfa-badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#fff7ed;color:#9a3412;font-weight:800;font-size:13px}
@media(max-width:560px){.pdf-page-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-selector-tools{display:grid;grid-template-columns:1fr}.segmented{grid-template-columns:1fr}.table-editor{max-width:100%}}
.file-summary>*{min-width:0;max-width:100%}.file-summary strong{max-width:100%;min-width:0}.file-summary .btn{max-width:100%;white-space:normal}