:root{--bg:#fff;--panel:#f6f7f9;--border:#d7dbe2;--text:#1f2328;--muted:#6a737d;--primary:#1677ff;--shadow:0 6px 18px #00000014}*{box-sizing:border-box}.app{background:var(--bg);height:100vh;color:var(--text);flex-direction:column;gap:10px;padding:12px;display:flex}.header{border:1px solid var(--border);box-shadow:var(--shadow);background:#fff;border-radius:12px;flex-direction:column;gap:6px;padding:10px 12px;display:flex}.headerTop{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.title{margin:0;font-size:18px;font-weight:800}.meta{color:var(--muted);flex-wrap:wrap;gap:10px;font-size:12px;display:flex}.meta a{color:var(--primary);text-decoration:none}.meta a:hover{text-decoration:underline}.warn{color:#8a1f1f;background:#fff5f5;border:1px solid #ffd1d1;border-radius:10px;margin:0;padding:8px 10px;font-size:13px}.toolbar{border:1px solid var(--border);background:var(--panel);border-radius:12px;flex-wrap:wrap;align-items:center;gap:10px;padding:10px 12px;display:flex}.spacer{flex:1}.btn{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:10px;padding:8px 10px;font-size:13px}.btn:disabled{opacity:.55;cursor:not-allowed}.btnPrimary{background:#1677ff14;border-color:#1677ff59}.pill{border:1px solid var(--border);color:var(--muted);background:#fff;border-radius:999px;align-items:center;gap:6px;padding:6px 10px;font-size:12px;display:inline-flex}.fileName{text-overflow:ellipsis;white-space:nowrap;max-width:360px;overflow:hidden}.settings{border:1px solid var(--border);box-shadow:var(--shadow);background:#fff;border-radius:12px;flex-wrap:wrap;align-items:center;gap:12px;padding:10px 12px;display:flex}.settings label{color:var(--muted);align-items:center;gap:6px;font-size:12px;display:inline-flex}.settings input{border:1px solid var(--border);border-radius:10px;width:70px;padding:6px 8px}.main{flex-direction:column;flex:1;gap:10px;min-height:0;display:flex}.viewerPanel{border:1px solid var(--border);min-height:0;box-shadow:var(--shadow);background:#fff;border-radius:12px;flex-direction:column;flex:1;display:flex;overflow:hidden}.viewerBody{background:#fafafa;flex:1;justify-content:center;min-height:0;padding:10px;display:flex;overflow:auto}.canvasStage{display:inline-block;position:relative}.canvas{cursor:crosshair;background:#fff;display:block}.sel{pointer-events:none;background:#0080ff26;border:2px solid #0080ffe6;position:absolute}.dropzone{text-align:center;color:#666;background:#fff;border:2px dashed #b8b8c4;border-radius:14px;padding:44px 64px}.previewPanel{border:1px solid var(--border);max-height:36vh;box-shadow:var(--shadow);background:#fff;border-radius:12px;flex-direction:column;display:flex;overflow:hidden}.previewHeader{border-bottom:1px solid var(--border);background:var(--panel);color:var(--muted);padding:8px 10px;font-size:12px}.previewBody{flex:1;min-height:0;padding:10px;overflow:auto}.tableWrap{border:1px solid var(--border);border-radius:10px;overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px}td{white-space:pre-wrap;border:1px solid #d0d0d7;padding:3px 6px}:root{color:#1f2328;background:#fff;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}html,body{height:100%;margin:0}body{display:block}#root{width:100vw;height:100vh}