:root{font-family:Arial,Helvetica,sans-serif;color:#171717;background:#f7f5ef;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #171717;outline-offset:3px}.skip-link{position:fixed;z-index:10;top:0;left:0;transform:translateY(-120%);padding:.8rem 1rem;background:#171717;color:#fff}.skip-link:focus{transform:translateY(0)}.app-shell{max-width:1200px;margin:0 auto;padding:24px clamp(16px,4vw,48px) 48px}.app-header{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;padding-bottom:2.4rem;font-size:.9rem;color:#605b54}.brand-group{display:flex;gap:1rem;align-items:baseline}.brand{color:#171717;font-size:1.45rem;font-weight:750;letter-spacing:-.04em}.format-label{font-family:ui-monospace,monospace;font-size:.75rem}.lang-switch{display:inline-flex;align-items:center;gap:.4rem;font-size:.8rem}.lang-btn{background:none;border:none;padding:2px 4px;font-weight:600;color:#605b54;cursor:pointer;min-height:unset}.lang-btn:hover{color:#171717}.lang-btn--active{color:#171717;text-decoration:underline;font-weight:750}.lang-sep{color:#a8a29e}.workbench{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(320px,1.15fr);gap:clamp(32px,6vw,84px);align-items:start}.controls{max-width:460px}.eyebrow{margin:0 0 1rem;font:600 .76rem/1.2 ui-monospace,monospace;color:#605b54;text-transform:uppercase;letter-spacing:.04em}h1{margin:0;font-size:clamp(2.2rem,4.2vw,4rem);line-height:.98;letter-spacing:-.055em}.intro{margin:1.35rem 0 2.1rem;line-height:1.5;color:#4f4b45}label{display:block;margin:1.3rem 0 .5rem;font-size:.9rem;font-weight:700}label span{color:#605b54;font-weight:400}textarea,input{width:100%;border:1.5px solid #9c968d;border-radius:2px;background:#fffdfa;color:#171717;padding:.8rem .9rem;line-height:1.45}textarea{resize:vertical;min-height:9rem}.guide-toggles{display:flex;flex-direction:column;gap:.55rem;margin-top:1.4rem;padding:12px 14px;background:#ede9e1;border-radius:2px}.toggle-checkbox{display:flex;align-items:center;gap:.55rem;margin:0;font-size:.85rem;font-weight:500;color:#3a3733;cursor:pointer}.toggle-checkbox input[type=checkbox]{width:auto;margin:0;cursor:pointer;accent-color:#171717}.letter-toggle-section{margin-top:1.2rem}.btn-text-toggle{background:none;border:none;padding:0;color:#171717;font-weight:700;font-size:.88rem;cursor:pointer;text-decoration:underline;min-height:unset}.btn-text-toggle:hover{color:#4f4b45}.letter-fields{margin-top:1rem;padding:14px;background:#f0ece4;border:1px solid #d4cebe;border-radius:2px}.letter-fields label{margin-top:.8rem}.letter-fields label:first-child{margin-top:0}.letter-fields textarea{min-height:11rem}.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}button{min-height:44px;cursor:pointer;border-radius:2px;padding:.65rem 1rem;font-weight:700}.primary-action{border:1px solid #171717;background:#171717;color:#fff}.secondary-action{border:1px solid #171717;background:transparent;color:#171717}.fold-guide-card{margin-top:1.2rem;padding:14px 16px;background:#ede9e1;border:1px solid #d4cebe;border-radius:2px;font-size:.85rem}.fold-guide-title{margin:0 0 .5rem;font-weight:700;color:#171717}.fold-guide-steps{margin:0;padding-left:1.2rem;color:#4f4b45;line-height:1.45}.fold-guide-steps li{margin-bottom:.35rem}.fold-guide-steps li:last-child{margin-bottom:0}.trust-note{margin-top:1.4rem;color:#605b54;font-size:.84rem;line-height:1.45}.line-limit{margin:.55rem 0 0;color:#8a2418;font-size:.84rem;line-height:1.4}.preview-panel{min-width:0}.preview-heading{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;margin:0 0 .75rem}.preview-heading h2{margin:0;font-size:1rem}.preview-heading span{color:#605b54;font-size:.75rem}.preview-scale{overflow:hidden;border:1px solid #b7b0a6;background:#dedbd4;padding:clamp(12px,3vw,28px)}.preview-sheets{display:flex;flex-direction:column;gap:clamp(16px,3vw,24px);align-items:flex-start}.preview-sheet-wrapper{display:flex;flex-direction:column;gap:6px}.preview-sheet-header{font:600 .75rem/1.2 ui-monospace,monospace;color:#605b54;text-transform:uppercase;letter-spacing:.04em}.preview-sheet-viewport{width:var(--paper-width-mm, 210mm);height:var(--paper-height-mm, 297mm);overflow:hidden;position:relative;background:#fff;box-shadow:0 6px 20px #0002;transform:scale(var(--preview-scale, .42));transform-origin:top left;margin-bottom:calc(var(--paper-height-mm, 297mm) * (var(--preview-scale, .42) - 1))}.preview-sheet-content{width:var(--paper-width-mm, 210mm);position:absolute;top:0;left:0}.preview-scale .print-document{transform:scale(var(--preview-scale, .42));transform-origin:top left;margin-bottom:-172.26mm;box-shadow:0 6px 20px #0002}.preview-scale .preview-sheet-content .print-document{width:var(--paper-width-mm, 210mm);min-height:var(--paper-height-mm, 297mm);height:auto;transform:none;margin-bottom:0;box-shadow:none;overflow:visible;position:relative;background:#fff}.preview-note{margin:.7rem 0 0;color:#605b54;font-size:.8rem;line-height:1.4}.print-measure{position:absolute;visibility:hidden;pointer-events:none;left:-99999px;top:0;width:var(--paper-width-mm, 210mm);min-height:var(--paper-height-mm, 297mm);height:auto}.print-measure .print-document{position:relative;width:var(--paper-width-mm, 210mm);min-height:var(--paper-height-mm, 297mm);height:auto;overflow:visible;background:#fff}.print-document{position:relative;width:var(--paper-width-mm);min-height:var(--paper-height-mm);background:#fff;color:#000}.print-address-field{position:absolute;left:var(--address-field-left-mm);top:var(--address-field-top-mm);width:var(--address-field-width-mm);height:var(--address-field-height-mm);border:0}.address-content{width:100%;height:100%;position:relative}.additional-zone{position:absolute;top:0;left:0;width:100%;height:var(--additional-zone-height-mm);overflow:hidden}.recipient-zone{position:absolute;top:var(--additional-zone-height-mm);left:0;width:100%;height:var(--recipient-zone-height-mm);overflow:hidden}.sender-text,.recipient-text{position:absolute;left:var(--text-inset-left-mm);width:var(--text-content-width-mm);overflow:hidden;white-space:pre}.sender-text{top:0;height:100%;font:2.6mm/3.2mm Arial,Helvetica,sans-serif}.recipient-text{top:0;height:100%;font-family:Arial,Helvetica,sans-serif;font-size:4mm;line-height:var(--recipient-line-height-mm)}.letter-body-flow{padding-top:var(--letter-content-top-mm);padding-left:var(--letter-content-left-mm);padding-right:var(--letter-content-right-mm);padding-bottom:25mm;font:11pt/1.5 Arial,Helvetica,sans-serif;color:#000;box-sizing:border-box}.letter-place-date{text-align:right;font-size:11pt;margin-bottom:14pt}.letter-subject{font-weight:700;font-size:12pt;margin-bottom:14pt}.letter-text{white-space:pre-wrap;word-break:break-word}.screen-guide-window{position:absolute;left:var(--address-field-left-mm);top:var(--address-field-top-mm);width:var(--address-field-width-mm);height:var(--address-field-height-mm);border:1.5px dashed #0066cc;border-radius:2px;background:#0066cc0a;pointer-events:none;z-index:5;display:flex;align-items:flex-end;justify-content:flex-end;padding:4px}.screen-guide-label{font:10px/1.2 ui-monospace,monospace;color:#06c;background:#ffffffd9;padding:1px 4px;border-radius:2px}.screen-guide-folds{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:5}.screen-fold-line{position:absolute;left:0;width:100%;border-top:1px dashed #c05621;display:flex;justify-content:flex-end;padding-right:8px}.screen-fold-line span{font:10px/1.2 ui-monospace,monospace;color:#c05621;background:#ffffffd9;padding:1px 4px;transform:translateY(-50%);border-radius:2px}.screen-fold-line--top{top:var(--fold-top-mm)}.screen-fold-line--bottom{top:var(--fold-bottom-mm)}.test-field-guide,.test-recipient-guide{position:absolute;left:var(--address-field-left-mm);width:var(--address-field-width-mm);color:#222;font:12px/1.2 ui-monospace,monospace}.test-field-guide{top:var(--address-field-top-mm);height:var(--address-field-height-mm);border:.35mm solid #222}.field-guide-label{position:absolute;top:4px;left:4px}.test-recipient-guide{top:var(--recipient-zone-top-mm);height:var(--recipient-zone-height-mm);border:.35mm dashed #222;display:grid;place-items:center;text-align:center}.test-content{position:absolute;left:var(--address-field-left-mm);right:20px;top:calc(var(--address-field-top-mm) + var(--address-field-height-mm));padding-top:48px;font:16px/1.45 Arial,Helvetica,sans-serif}.test-title{margin:0 0 18px;font-size:24px;font-weight:700}.test-content p{margin:0 0 14px}.calibration{display:flex;gap:16px;align-items:center;margin:36px 0 8px;font-size:14px}.calibration-line{display:block;width:var(--calibration-length-mm);height:0;border-top:.5mm solid #000}.calibration-copy{font-weight:700}.app-footer{margin-top:48px;border-top:1px solid #d4cebe;padding-top:20px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:.85rem;color:#605b54}.footer-left{display:flex;align-items:center;gap:8px}.footer-nav{display:inline-flex;align-items:center;gap:8px}.footer-left a,.footer-nav a{color:#605b54;text-decoration:none;font-size:.85rem}.footer-left a:hover,.footer-nav a:hover{color:#171717;text-decoration:underline}.print-only{display:none}@media(max-width:720px){.app-shell{padding-top:18px}.app-header{padding-bottom:1.8rem}.format-label{display:none}.workbench{grid-template-columns:1fr;gap:2.5rem}.controls{max-width:none}.preview-scale{--preview-scale:.34}.preview-scale .print-document{margin-bottom:-196.02mm}.app-footer{margin-top:36px;flex-direction:column;align-items:flex-start;gap:10px}}@media(max-width:360px){.preview-scale{--preview-scale:.29;padding:9px}.preview-scale .print-document{margin-bottom:calc(297mm * -.71)}.actions button{width:100%}}@media print{@page{size:A4 portrait;margin:0}html,body,#root,.app-shell{width:210mm;min-height:297mm;margin:0;padding:0;background:#fff}.no-print,.print-measure{display:none!important}.print-only{display:block}.print-document{width:210mm;min-height:297mm;display:block;page-break-after:auto}.print-document--test{width:210mm;height:297mm;overflow:hidden;page-break-after:avoid}}