*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f3f5f7;color:#172033}.top{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;background:#0f172a;color:white}.top a,.top button{color:white;text-decoration:none;margin-left:12px}.brand{font-weight:700;font-size:20px}.inline{display:inline}.inline button{background:none;border:0;cursor:pointer}.container{max-width:1400px;margin:0 auto;padding:24px}.hero{background:white;border-radius:18px;padding:40px;box-shadow:0 6px 20px #0001}.btn{display:inline-block;border:0;border-radius:10px;background:#2563eb;color:white!important;padding:10px 16px;text-decoration:none;cursor:pointer}.secondary{background:#475569}.danger{background:#b91c1c}.card{background:white;border:1px solid #dbe3ef;border-radius:12px;padding:16px;margin:12px 0}.narrow{max-width:420px}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.two-col button{width:max-content}label{display:flex;flex-direction:column;gap:5px;font-weight:600}input,select,textarea{padding:9px;border:1px solid #cbd5e1;border-radius:8px;font:inherit}textarea{min-height:80px}.flash{padding:12px;background:#fef3c7;border:1px solid #f59e0b;border-radius:10px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}.grid3>div{background:white;padding:20px;border-radius:14px}.note{color:#64748b}.table{width:100%;border-collapse:collapse;background:white}.table th,.table td{border:1px solid #dbe3ef;padding:9px;text-align:left}.logo-preview{max-width:220px;max-height:120px}.editor{display:grid;grid-template-columns:minmax(420px,45%) 1fr;gap:18px;align-items:start}.form-pane{min-width:0}.preview-pane{position:sticky;top:12px;overflow:auto}.item-row{display:grid;grid-template-columns:1fr 3fr 1fr 1fr .8fr;gap:6px;margin-bottom:6px}.ddt-sheet{background:white;width:210mm;min-height:297mm;margin:0 auto;padding:12mm;color:#111;font-size:12px;box-shadow:0 6px 18px #0002}.doc-head{display:flex;justify-content:space-between;border-bottom:2px solid #111;padding-bottom:8px}.doc-logo{max-width:170px;max-height:70px;display:block;margin-bottom:6px}.doc-title{text-align:right}.boxes{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}.boxes>div{border:1px solid #333;padding:8px;min-height:70px}.goods{width:100%;border-collapse:collapse;margin:10px 0}.goods th,.goods td{border:1px solid #333;padding:5px;vertical-align:top}.goods th{background:#eee}.signatures{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:30px}.signatures span{border-top:1px solid #333;text-align:center;padding-top:6px}.preview-number{font-size:18px;grid-column:1/-1}.series-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px}@media(max-width:1000px){.editor,.two-col,.grid3{grid-template-columns:1fr}.preview-pane{position:static}.ddt-sheet{width:100%;min-height:auto}}@media print{body{background:white}.top,.form-pane,.flash{display:none}.container{padding:0}.editor{display:block}.preview-pane{overflow:visible}.ddt-sheet{box-shadow:none;margin:0;width:210mm;min-height:297mm;page-break-after:always}}

/* === FIX ANTEPRIMA DDT A4 === */
.preview-pane {
    min-width: 0;
    overflow: hidden;
}

.ddt-sheet {
    max-width: 100%;
    height: auto;
    aspect-ratio: 210 / 297;
}