:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f4f4f1;--panel:#fff;--card:#fff;--ink:#222;--muted:#666;--line:#d9d9d9;--accent:#d3a642;--accent-strong:#9b7422;--danger:#9f3b2f;--shadow:0 16px 40px #00000014;--page-width:210mm;--page-height:297mm;font-family:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{background:var(--bg)}body{color:var(--ink);margin:0}button,input{font:inherit}input{border:1px solid var(--line);background:#fff;border-radius:8px;width:100%;padding:.72rem .85rem}label{color:var(--muted);gap:.4rem;font-size:.92rem;display:grid}.toggleField{color:var(--ink);align-items:center;gap:.7rem;margin-top:1rem;display:flex}.toggleField input{width:18px;height:18px;margin:0}.appShell{grid-template-columns:420px minmax(0,1fr);align-items:start;gap:1.25rem;min-height:100vh;padding:1rem;display:grid}.editorPanel,.previewPanel{background:var(--panel);box-shadow:var(--shadow);border:1px solid 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17mm 24mm}}
