:root{--bg-main: #f8fafc;--bg-panel: #ffffff;--bg-active: rgba(0, 85, 255, .08);--bg-hover: rgba(0, 85, 255, .04);--border-color: #e2e8f0;--border-glow: rgba(0, 85, 255, .15);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--grad-primary: linear-gradient(135deg, #00d2ff 0%, #0055ff 100%);--grad-accent: linear-gradient(135deg, #00d2ff 0%, #0055ff 100%);--grad-success: linear-gradient(135deg, #00d2ff 0%, #15803d 100%);--grad-gold: linear-gradient(135deg, #ffe066 0%, #facc15 100%);--font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--shadow-premium: 0 10px 25px -5px rgba(0, 85, 255, .1);--transition: all .2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body,html{background-color:var(--bg-main);color:var(--text-primary);font-family:var(--font-sans);min-height:100vh;overflow-y:auto;-webkit-font-smoothing:antialiased}.niledelta-app-shell{display:flex;flex-direction:column;min-height:100vh;width:100vw}.top-toolbar{display:flex;align-items:center;gap:20px;height:56px;padding:0 18px;background-color:var(--bg-panel);border-bottom:1px solid var(--border-color);flex-shrink:0;position:relative;z-index:100}.top-toolbar-brand{display:flex;align-items:center;gap:8px;flex-shrink:0}.top-toolbar-brand-name{font-weight:700;font-size:.95rem;color:var(--text-primary);white-space:nowrap}.top-toolbar-search{position:relative;flex:1;width:100%}.top-toolbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}.top-toolbar-create-btn{display:flex;align-items:center;gap:6px;padding:8px 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0}.dropdown-item-hover:hover{background:var(--bg-hover)}.dropdown-item-hover-danger:hover{background:#dc262614}.space-switcher-badge{width:24px;height:24px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.7rem;flex-shrink:0}.space-switcher-popup{position:absolute;top:46px;left:0;width:260px;background:var(--bg-panel);border:1px solid var(--border-color);border-radius:10px;box-shadow:var(--shadow-premium);z-index:200;overflow:hidden;display:flex;flex-direction:column}.space-switcher-popup-header{padding:10px 14px;font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border-color)}.space-switcher-popup-list{max-height:320px;overflow-y:auto;padding:6px;display:flex;flex-direction:column;gap:2px}.space-switcher-item{display:flex;align-items:center;gap:10px;padding:8px 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var(--border-color);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition)}.add-space-btn:hover{background:var(--bg-hover);color:#05f;border-color:#05f;transform:scale(1.05)}.user-avatar-current{width:40px;height:40px;border-radius:50%;background:var(--grad-gold);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;cursor:pointer;box-shadow:0 4px 10px #05f3}.wiki-sidebar{background-color:#fff;border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:24px 16px;gap:20px}.sidebar-header{display:flex;justify-content:space-between;align-items:center}.space-info h2{font-size:1.15rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.space-info span{font-size:.75rem;font-family:var(--font-mono);color:#05f;background:#0055ff1a;padding:2px 6px;border-radius:4px;font-weight:600}#btn-add-root-page{background:#f1f5f9;border:1px solid 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#0055ff1a}.page-tree-container{display:flex;flex-direction:column;flex-grow:1;overflow-y:auto;gap:12px}.tree-header{display:flex;justify-content:space-between;align-items:center;font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.hierarchy-badge{color:#05f;font-family:var(--font-mono);font-weight:600}.page-tree{display:flex;flex-direction:column;gap:4px}.tree-node{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border-radius:8px;cursor:pointer;font-size:.88rem;color:var(--text-secondary);transition:var(--transition);-webkit-user-select:none;user-select:none;position:relative}.tree-node-content{display:flex;align-items:center;gap:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex-grow:1}.tree-node i.arrow-icon{font-size:.7rem;color:var(--text-muted);width:12px;transition:transform .2s}.tree-node.expanded i.arrow-icon{transform:rotate(90deg)}.tree-node i.doc-icon{font-size:.85rem;color:var(--text-muted)}.tree-node:hover{background:var(--bg-hover);color:var(--text-primary)}.tree-node.active{background:#0055ff14;color:#05f;border-left:2px solid #0055ff;font-weight:500}.tree-node.active i.doc-icon{color:#05f}.node-actions{display:none;gap:4px}.tree-node:hover .node-actions{display:flex}.node-action-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:.75rem;padding:2px 4px;border-radius:4px;transition:var(--transition)}.node-action-btn:hover{color:var(--text-primary);background:#0000000d}.node-action-btn.add-child:hover{color:#05f}.node-action-btn.delete-page:hover{color:#ef4444}.editor-workspace{background-color:#fff;display:flex;flex-direction:column;overflow-y:auto;position:relative;border-right:1px solid var(--border-color)}.workspace-header{height:64px;padding:0 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h1{font-size:1.8rem;font-weight:700;margin:28px 0 12px;color:var(--text-primary);letter-spacing:-.02em}.rich-editor h2{font-size:1.4rem;font-weight:600;margin:24px 0 10px;color:var(--text-primary)}.rich-editor p{margin-bottom:16px}.rich-editor ul,.rich-editor ol{padding-left:1.6rem;margin:0 0 16px}.rich-editor ul{list-style-type:disc}.rich-editor ul ul{list-style-type:circle}.rich-editor ul ul ul{list-style-type:square}.rich-editor ol{list-style-type:decimal}.rich-editor ol ol{list-style-type:lower-alpha}.rich-editor ol ol ol{list-style-type:lower-roman}.rich-editor pre{background:#f1f5f9;border:1px solid var(--border-color);padding:16px;border-radius:8px;font-family:var(--font-mono);font-size:.9rem;margin:16px 0;overflow-x:auto;color:#05f}.rich-editor hr,.rich-editor .editor-hr{border:none;height:1px;background:linear-gradient(to right,rgba(0,85,255,0) 0%,var(--border-color) 20%,var(--border-color) 80%,rgba(0,85,255,0) 100%);margin:24px 0}.rich-editor a{color:#05f;text-decoration:underline;font-weight:500;transition:var(--transition)}.rich-editor a:hover{color:#03a;text-decoration:underline}.rich-editor .editor-callout{background:#0055ff0a;border-left:4px solid #0055ff;padding:14px 18px;border-radius:0 8px 8px 0;margin:20px 0;display:flex;gap:12px;color:var(--text-secondary)}.rich-editor .editor-callout i{color:#05f;margin-top:4px}.metadata-inspector{background-color:#f8fafc;border-left:1px solid var(--border-color);padding:24px 18px;display:flex;flex-direction:column;gap:28px;overflow-y:auto}.inspector-section h3{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:12px;display:flex;align-items:center;gap:8px}.inspector-section h3 i{color:#05f}.inspector-card{background:#fff;border:1px solid var(--border-color);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:14px;box-shadow:0 2px 8px #00000005}.info-group{display:flex;flex-direction:column;gap:6px}.info-group label,.info-row label{font-size:.68rem;text-transform:uppercase;font-weight:700;color:var(--text-muted)}.path-display{background:#f1f5f9;border:1px solid var(--border-color);padding:8px 12px;border-radius:6px;font-family:var(--font-mono);color:#05f;font-size:.85rem;word-break:break-all;box-shadow:inset 0 1px 3px #0000000d}.info-row{display:flex;justify-content:space-between;gap:12px}.info-row>div{flex:1;display:flex;flex-direction:column;gap:6px}.value-badge{background:#f1f5f9;border:1px solid var(--border-color);padding:4px 8px;border-radius:6px;font-family:var(--font-mono);font-size:.8rem;font-weight:600;color:var(--text-primary);text-align:center}.slug-text{font-size:.82rem;color:var(--text-secondary);word-break:break-all}.acl-list{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.acl-item{background:#fff;border:1px solid var(--border-color);border-radius:8px;padding:10px 12px;display:flex;justify-content:space-between;align-items:center;font-size:.82rem}.acl-user{display:flex;align-items:center;gap:8px;font-weight:500}.acl-user i{color:var(--text-muted)}.acl-badge{font-size:.65rem;font-family:var(--font-mono);font-weight:700;padding:3px 6px;border-radius:4px}.acl-badge.view{background:#0055ff1a;color:#05f}.acl-badge.edit{background:#1b43321a;color:#1b4332}.acl-badge.admin{background:#b25e001a;color:#b25e00}.acl-delete{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:.8rem;padding:2px;transition:var(--transition)}.acl-delete:hover{color:#ef4444}.add-acl-btn{width:100%;background:transparent;border:1px dashed var(--border-color);color:var(--text-secondary);padding:8px;border-radius:8px;cursor:pointer;font-size:.8rem;font-weight:600;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:6px}.add-acl-btn:hover{background:var(--bg-hover);color:#05f;border-color:#05f}.timeline{display:flex;flex-direction:column;gap:12px;position:relative;padding-left:16px;margin-top:8px}.timeline:before{content:"";position:absolute;left:4px;top:4px;bottom:4px;width:2px;background:var(--border-color)}.timeline-item{position:relative;font-size:.8rem}.timeline-item:before{content:"";position:absolute;left:-16px;top:5px;width:10px;height:10px;background:var(--bg-main);border:2px solid #0055ff;border-radius:50%;z-index:2}.timeline-item.temporal:before{border-color:#1b4332}.timeline-meta{display:flex;justify-content:space-between;color:var(--text-muted);font-size:.72rem;margin-bottom:2px}.timeline-user{color:var(--text-secondary);font-weight:600}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0f172a66;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;z-index:100}.modal-overlay.active{display:flex}.modal{background:#fff;border:1px solid var(--border-color);border-radius:16px;width:480px;max-width:90%;box-shadow:0 20px 50px -12px #0055ff40;overflow:hidden;animation:modalAppear .3s cubic-bezier(.34,1.56,.64,1)}@keyframes modalAppear{0%{transform:scale(.9) translateY(20px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.modal-header{padding:20px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;color:var(--text-primary)}.modal-header h2{font-size:1.2rem;font-weight:700}.close-modal{background:transparent;border:none;color:var(--text-muted);font-size:1.1rem;cursor:pointer;transition:var(--transition)}.close-modal:hover{color:var(--text-primary)}.modal-body{padding:20px;display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:.8rem;font-weight:600;color:var(--text-secondary)}.form-group input,.form-group textarea,.form-group select{background:#fff;border:1px solid var(--border-color);border-radius:8px;padding:10px 12px;color:var(--text-primary);font-size:.88rem;outline:none;transition:var(--transition)}.form-group textarea{height:100px;resize:none}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:#05f;box-shadow:0 0 10px 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