#nbw-app{max-width:1200px;margin:30px
auto;background:#fff;border:1px
solid #e5e7eb;font-family:system-ui,sans-serif}#nbw-topbar{display:flex;justify-content:space-between;align-items:center;padding:10px
12px;border-bottom:1px solid #e5e7eb}#nbw-tabs{display:flex;gap:6px;flex-wrap:wrap}.nbw-tab{display:flex;align-items:center;gap:6px;padding:6px
10px;background:#f9fafb;border:1px
solid #d1d5db;border-radius:6px;cursor:pointer}.nbw-tab.active{border-color:#2563eb;background:#fff}.nbw-rename-input{font-size:14px;padding:2px
6px;border:1px
solid #2563eb;border-radius:4px}.nbw-close{font-size:12px;cursor:pointer;color:#6b7280}.nbw-close:hover{color:#dc2626}#nbw-actions
button{padding:6px
12px;font-size:13px;border:1px
solid #d1d5db;background:#f9fafb;border-radius:6px;cursor:pointer}#nbw-editor{height:550px}.ql-editor{padding:20px;font-size:16px;min-height:520px}