:root{--bg:#f6f8fa;--card:#ffffff;--muted:#666;--primary:#1f6feb;--border:#ddd;--success: #28a745;--error: #dc3545}*{box-sizing:border-box;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif}body{margin:0;background:var(--bg);color:#111}.container{max-width:1000px;margin:24px auto;padding:16px}header h1{margin:0;font-size:22px}.muted{color:var(--muted);font-size:13px}.row{display:flex;gap:16px;margin-top:12px}.card{background:var(--card);padding:12px;border:1px solid var(--border);border-radius:6px;flex:1}input[type=text],input[type=number],input[type=file],select,textarea{width:100%;padding:8px;border:1px solid var(--border);border-radius:4px;margin-top:6px}.btn-row{display:flex;gap:8px;margin-top:8px}.btn{padding:8px 12px;border:1px solid var(--border);background:#fff;border-radius:6px;cursor:pointer}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn:disabled{cursor:not-allowed;background:#eee;color:#999}.grid{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}.doc{background:var(--card);padding:10px;border:1px solid var(--border);border-radius:6px;width:calc(33% - 8px);transition:border-color .2s}.doc-name{font-weight:600}.doc-meta{font-size:12px;color:var(--muted)}.doc-actions{margin-top:8px}.doc.selected{border-color:var(--primary);box-shadow:0 0 0 2px #1f6feb33}.heading-row{display:flex;justify-content:space-between;align-items:center}.controls{display:flex;gap:8px}.req{display:flex;justify-content:space-between;align-items:flex-start;padding:10px;border-bottom:1px solid #eee}.req-id{font-weight:600}.req-raw{margin-top:6px}.actions{margin-top:12px;display:flex;gap:8px}.modal{position:fixed;inset:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:100}.modal-inner{background:var(--card);padding:16px;border-radius:8px;max-width:900px;width:90%}.modal-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.raw{background:#fafafa;padding:8px;border-radius:4px;border:1px solid var(--border);white-space:pre-wrap}.structured{max-height:300px;overflow:auto}.field-row{display:flex;gap:8px;align-items:center;margin-bottom:6px}.field-name{width:28%}.toast{position:fixed;right:16px;bottom:16px;background:#222;color:#fff;padding:10px 16px;border-radius:6px;display:flex;align-items:center;gap:12px;box-shadow:0 4px 12px #00000026;z-index:101}.toast-close{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;padding:0;line-height:1}.loading{position:fixed;left:16px;bottom:16px;background:#fff;border:1px solid var(--border);padding:8px;border-radius:6px}.stepper{display:flex;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:24px}.step{padding:8px 16px;border-radius:20px;background:#eee;color:#666;font-weight:500}.step.active{background:var(--primary);color:#fff}.step-navigation{margin-top:24px;padding-top:16px;border-top:1px solid #eee;display:flex;justify-content:space-between}.empty-state{text-align:center;padding:40px;background:#fff;border:1px dashed var(--border);border-radius:8px;margin-top:16px}.empty-state h4{margin:0 0 8px}.card.warning{border-left:4px solid #f0ad4e}