:root{--background:#f6f4ee;--surface:#fff;--surface-soft:#f0f7f4;--text:#20231f;--muted:#687169;--line:#d9ded5;--primary:#0f6c5c;--primary-dark:#0a4b40;--accent:#b65f33;--danger:#b42318;--warning:#a15c07;--focus:#2563eb;--shadow:0 18px 55px #222b261f}*{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{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) 340px;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}.status-row svg{width:20px;height:20px}.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 h2{font-size:1.35rem}.faq-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.faq-grid article{border-left:3px solid var(--accent);padding-left:14px}.faq-grid h3{margin-bottom:8px;font-size:1rem}.faq-grid p{margin-bottom:0;font-size:.94rem}.controls{gap:16px;padding:20px;display:grid;position:sticky;top:24px}.controls h2{margin-bottom:4px;font-size:1.2rem}.site-footer{max-width:1180px;color:var(--muted);justify-content:space-between;gap:16px;margin:18px auto 0;font-size:.92rem;display:flex}.site-footer nav{gap:14px;display:flex}.site-footer a,.back-link{color:var(--primary);font-weight:800;text-decoration:none}.site-footer a:hover,.back-link:hover{text-decoration:underline}.legal-page{max-width:780px;margin:0 auto;padding:48px 24px}.legal-page h1{margin-top:24px;font-size:clamp(2rem,4vw,3rem)}.legal-page h2{margin-top:28px;font-size:1.25rem}.legal-page p{color:var(--muted);line-height:1.7}.legal-note{margin-top:32px;font-size:.9rem}.upload-zone{border:2px dashed var(--line);cursor:pointer;text-align:center;min-height:220px;color:var(--muted);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:24px;transition:border-color .15s,background .15s;display:flex}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--primary);background:var(--surface-soft)}.upload-zone svg{width:44px;height:44px;color:var(--primary);opacity:.7}.preview-pair{grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;display:grid}.preview-card{gap:8px;display:grid}.preview-card span{text-transform:uppercase;color:var(--muted);font-size:.78rem;font-weight:800}.preview-card img{border:1px solid var(--line);object-fit:contain;border-radius:8px;width:100%;max-height:340px}.transparent-bg{border:1px solid var(--line);background-color:#fff;background-image:linear-gradient(45deg,#ccc 25%,#0000 25%),linear-gradient(-45deg,#ccc 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#ccc 75%),linear-gradient(-45deg,#0000 75%,#ccc 75%);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px;border-radius:8px}.actions-row{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}@media (max-width:900px){.page-shell{padding:16px}.tool-grid,.content-band{grid-template-columns:1fr}.controls{position:static}.faq-grid,.preview-pair{grid-template-columns:1fr}.site-footer{flex-direction:column}}@media (max-width:560px){.tool-main,.controls,.content-band{padding:16px}}