*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #f5f6f8;--color-surface: #ffffff;--color-border: #dde1e7;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-disabled: #93c5fd;--color-secondary: #64748b;--color-secondary-hover: #475569;--color-text: #1e293b;--color-text-muted: #64748b;--color-req: #dc2626;--color-section-bg: #f8fafc;--color-section-border: #e2e8f0;--font: "Segoe UI", system-ui, -apple-system, sans-serif;--font-mono: "Fira Code", "Cascadia Code", "Consolas", monospace;--radius: 6px}html,body{height:100%;font-family:var(--font);background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.5}#app{height:100vh;display:flex;flex-direction:column;max-width:none;margin:0;padding:0;text-align:left}.app-layout{display:flex;height:100vh;overflow:hidden}.form-panel{width:50%;height:100%;overflow-y:auto;padding:24px 28px;background:var(--color-surface);border-right:1px solid var(--color-border)}.form-panel h2{font-size:18px;font-weight:700;margin-bottom:20px;color:var(--color-text);padding-bottom:12px;border-bottom:2px solid var(--color-primary)}section{margin-bottom:16px;padding:16px;background:var(--color-section-bg);border:1px solid var(--color-section-border);border-radius:var(--radius)}section h3{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);margin-bottom:0}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.repeat-item{border:1px solid var(--color-border);border-radius:var(--radius);padding:12px;margin-bottom:10px;background:var(--color-surface)}.repeat-item:last-child{margin-bottom:0}.repeat-item-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.repeat-item-label{font-size:11px;font-weight:700;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.btn-add{padding:4px 10px;font-size:11px;font-weight:600;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius);cursor:pointer}.btn-add:hover{background:var(--color-primary-hover)}.btn-remove{width:22px;height:22px;padding:0;font-size:11px;font-weight:700;background:#fee2e2;color:#dc2626;border:none;border-radius:50%;cursor:pointer;line-height:1}.btn-remove:hover{background:#fecaca}.field{display:flex;flex-direction:column;margin-bottom:12px}.field:last-child{margin-bottom:0}.field-row{display:flex;gap:12px}.field-row .field{flex:1}label{font-size:12px;font-weight:600;color:var(--color-text);margin-bottom:5px}.req{color:var(--color-req)}input[type=text],input[type=email],input[type=number],input[type=date],select,textarea{width:100%;padding:7px 10px;border:1px solid var(--color-border);border-radius:var(--radius);font-family:var(--font);font-size:13px;color:var(--color-text);background:var(--color-surface);transition:border-color .15s;outline:none;-moz-appearance:textfield}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}textarea{resize:vertical;min-height:80px}.hint{font-size:11px;color:var(--color-text-muted);margin-top:3px}.preview-panel{width:50%;height:100%;display:flex;flex-direction:column;background:#1e1e2e;color:#cdd6f4}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#181825;border-bottom:1px solid #313244;flex-shrink:0}.preview-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#6c7086}.toolbar-actions{display:flex;gap:8px}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:none;border-radius:var(--radius);font-family:var(--font);font-size:12px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-primary:disabled{background:var(--color-primary-disabled);cursor:not-allowed;opacity:.7}.btn-secondary{background:#313244;color:#cdd6f4}.btn-secondary:hover{background:#45475a}.xml-output{flex:1;overflow:auto;padding:20px 24px;font-family:var(--font-mono);font-size:12.5px;line-height:1.7;white-space:pre;color:#cdd6f4}.xml-output code{font-family:inherit}.form-panel::-webkit-scrollbar,.xml-output::-webkit-scrollbar{width:6px}.form-panel::-webkit-scrollbar-track,.xml-output::-webkit-scrollbar-track{background:transparent}.form-panel::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}.xml-output::-webkit-scrollbar-thumb{background:#45475a;border-radius:3px}@media (max-width: 900px){.app-layout{flex-direction:column;height:auto;overflow:auto}.form-panel,.preview-panel{width:100%;height:auto}.preview-panel{min-height:400px}}