:root{--background:#f8f5f3;--surface:#fff;--surface-soft:#fdeceb;--text:#221b1b;--muted:#71696a;--line:#e1d8d6;--primary:#b91c1c;--primary-dark:#861313;--accent:#c2410c;--danger:#b42318;--warning:#a15c07;--focus:#2563eb;--shadow:0 18px 55px #2b22221f}*{box-sizing:border-box}html{background:var(--background)}body{color:var(--text);background:var(--background);margin:0;font-family:Arial,Helvetica Neue,sans-serif}button,textarea,select,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.page-shell{min-height:100vh;padding:32px}.tool-grid{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:20px;max-width:1180px;margin:0 auto;display:grid}.tool-main,.controls,.content-band{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.tool-main{padding:24px}.intro{max-width:760px;margin-bottom:20px}.eyebrow{color:var(--primary);text-transform:uppercase;margin:0 0 8px;font-size:.8rem;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;margin-bottom:10px;font-size:clamp(2rem,4vw,3.6rem);line-height:1}.intro p,.content-band p,.controls p{color:var(--muted);line-height:1.55}.status-row{min-height:44px;color:var(--primary-dark);align-items:center;gap:8px;margin-top:16px;font-weight:800;display:flex}.controls{gap:16px;padding:20px;display:grid;position:sticky;top:24px}.controls h2{margin-bottom:4px;font-size:1.2rem}.field{gap:7px;font-weight:800;display:grid}.field select,.field input[type=range]{width:100%}.field select{border:1px solid var(--line);min-height:42px;color:var(--text);background:#fff;border-radius:8px;padding:0 12px}.converter-controls{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px;display:grid}.batch-actions{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.primary-button,.secondary-button,.ghost-button{border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:44px;font-weight:900;display:inline-flex}.primary-button{border:1px solid var(--primary);background:var(--primary);color:#fff}.secondary-button{border:1px solid var(--primary);color:var(--primary);background:#fff}.ghost-button{border:1px solid var(--line);color:var(--text);background:#fff}.primary-button:hover:not(:disabled){background:var(--primary-dark)}.primary-button svg,.secondary-button svg,.ghost-button svg{width:18px;height:18px}.privacy-note{border-left:3px solid var(--accent);margin:0;padding-left:12px;font-size:.92rem}.content-band{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;max-width:1180px;margin:20px auto 0;padding:24px;display:grid}.content-band 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strong{color:var(--primary)}.pages-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-top:20px;display:grid}.page-card{border:2px solid var(--line);background:var(--surface);border-radius:8px;transition:border-color .15s;overflow:hidden}.page-card.selected{border-color:var(--primary)}.page-card img{width:100%;height:auto;display:block}.page-card-footer{color:var(--muted);justify-content:space-between;align-items:center;padding:8px 10px;font-size:.8rem;font-weight:700;display:flex}.page-card-footer input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary);cursor:pointer}.progress-bar-track{background:var(--line);border-radius:3px;height:6px;margin-top:8px;overflow:hidden}.progress-bar-fill{background:var(--primary);border-radius:3px;height:100%;transition:width .2s}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}@media 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