:root,[data-theme=dark]{--bg-primary:#1e1e1e;--bg-secondary:#181818;--bg-tertiary:#111;--bg-accent:#7b42bc;--bg-accent-hover:#905ad4;--text-primary:#e0e0e0;--text-muted:#8c8c8c;--text-accent:#c69ef0;--border-color:#2f2f2f;--border-active:#4a4a4a;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"Fira Code", "Courier New", Courier, monospace}[data-theme=light]{--bg-primary:#fff;--bg-secondary:#f5f5f5;--bg-tertiary:#ebebeb;--bg-accent:#7b42bc;--bg-accent-hover:#6a35a8;--text-primary:#1a1a1a;--text-muted:#6b6b6b;--text-accent:#7b42bc;--border-color:#d4d4d4;--border-active:#b0b0b0}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;width:100vw;height:100vh;overflow:hidden}html{scrollbar-color:#3e3e3e var(--bg-secondary);scrollbar-width:thin}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:#3e3e3e;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}button,input,select,textarea{font-family:inherit}input:focus,textarea:focus,select:focus{outline-offset:1px;border-color:var(--bg-accent);outline:2px solid #c69ef066}@keyframes fadeIn{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}.fade-in{animation:.15s ease-out forwards fadeIn}.app-container{background-color:var(--bg-tertiary);width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--bg-secondary);border-right:1px solid var(--border-color);-webkit-user-select:none;user-select:none;flex-direction:column;flex-shrink:0;width:250px;min-width:200px;height:100%;display:flex}.sidebar-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;height:48px;padding:0 16px;display:flex}.sidebar-title{color:var(--text-primary);align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.sidebar-actions{gap:8px;display:flex}.icon-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;transition:all .15s;display:flex}.icon-btn:hover{background-color:var(--border-color);color:var(--text-primary)}.icon-btn.active{color:var(--bg-accent)}.sidebar-content{flex:1;padding:8px 0;overflow-y:auto}.sidebar-footer{border-top:1px solid var(--border-color);background-color:#0003;flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;display:flex}.user-profile-badge{flex:1;align-items:center;gap:8px;min-width:0;display:flex;overflow:hidden}.user-avatar{border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;display:flex}.user-avatar.avatar-ceo{background:linear-gradient(135deg,#eab30840,#f9731640);border:1px solid #eab30880;box-shadow:0 0 8px #eab30833}.user-avatar.avatar-user{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-muted)}.user-details{flex-direction:column;min-width:0;line-height:1.25;display:flex;overflow:hidden}.user-display-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:600;overflow:hidden}.user-badge-role{color:var(--text-muted);letter-spacing:.3px;font-size:10px;font-weight:500}.sidebar-logout-btn{border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;align-items:center;gap:4px;padding:5px 8px;font-size:11px;font-weight:500;transition:all .15s;display:flex}.sidebar-logout-btn:hover{color:#ef4444;background-color:#ef444426;border-color:#ef444466}.tree-node{cursor:pointer;border-radius:4px;align-items:center;gap:6px;margin:1px 8px;padding:4px 12px;font-size:13px;transition:background-color .1s;display:flex;position:relative}.tree-node:hover{background-color:#ffffff0d}.tree-node.active{color:var(--text-primary);background-color:#7b42bc33;font-weight:500}.tree-node-actions{background-color:#0000;gap:2px;display:none;position:absolute;right:8px}.tree-node:hover .tree-node-actions{display:flex}.tree-input{background:var(--bg-tertiary);border:1px solid var(--bg-accent);color:var(--text-primary);border-radius:3px;width:100%;padding:2px 4px;font-size:13px}.main-panel{background-color:var(--bg-primary);flex-direction:column;flex:1;height:100%;display:flex;overflow:hidden}.tabs-bar{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);align-items:center;gap:2px;height:40px;padding:0 4px;display:flex;overflow-x:auto}.tab{height:32px;color:var(--text-muted);cursor:pointer;background-color:#0000;border:none;border-radius:4px 4px 0 0;align-items:center;gap:6px;padding:0 12px;font-size:12px;transition:all .15s;display:flex;position:relative}.tab:hover{color:var(--text-primary);background-color:#ffffff08}.tab.active{background-color:var(--bg-primary);color:var(--text-primary);border-bottom:2px solid var(--bg-accent)}.tab-close{border-radius:50%;justify-content:center;align-items:center;padding:2px;display:flex}.tab-dragging{opacity:.4}.tab-drag-over{border-left:2px solid var(--bg-accent)!important;border-right:2px solid var(--bg-accent)!important}.tab-close:hover{background-color:#ffffff26}.editor-workspace{flex:1;height:calc(100% - 40px);display:flex;overflow:hidden}.editor-pane{flex-direction:column;flex:1;height:100%;display:flex;position:relative;overflow:hidden}.pane-divider{background-color:var(--border-color);flex-shrink:0;width:1px;height:100%}.pane-header{border-bottom:1px solid var(--border-color);background-color:var(--bg-primary);justify-content:space-between;align-items:center;height:36px;padding:0 16px;display:flex}.pane-path{color:var(--text-muted);font-size:12px}.pane-actions{gap:8px;display:flex}.editor-content-wrapper{flex:1;height:calc(100% - 36px);display:flex;overflow:hidden}.text-editor{background-color:var(--bg-primary);height:100%;color:var(--text-primary);resize:none;font-family:var(--font-mono);border:none;flex:1;padding:20px 24px;font-size:14px;line-height:1.6;overflow-y:auto}.preview-container{background-color:var(--bg-primary);flex:1;height:100%;padding:20px 24px;font-size:15px;line-height:1.6;overflow-y:auto}.preview-container h1{border-bottom:1px solid var(--border-color);margin-bottom:16px;padding-bottom:6px;font-size:1.8em}.preview-container h2{margin-top:24px;margin-bottom:12px;font-size:1.4em}.preview-container h3{margin-top:18px;margin-bottom:8px;font-size:1.2em}.preview-container p{margin-bottom:14px}.preview-container ul,.preview-container ol{margin-bottom:14px;margin-left:24px}.preview-container li{margin-bottom:4px}.preview-container blockquote{border-left:4px solid var(--bg-accent);color:var(--text-muted);margin-bottom:14px;padding-left:16px;font-style:italic}.preview-container pre{background-color:var(--bg-secondary);border-radius:6px;margin-bottom:14px;padding:12px;overflow-x:auto}.preview-container code{background-color:var(--bg-secondary);font-family:var(--font-mono);border-radius:4px;padding:2px 6px;font-size:.9em}.preview-container a{color:var(--text-accent);text-decoration:none}.preview-container a:hover{text-decoration:underline}.wiki-link{color:var(--text-accent);cursor:pointer;font-weight:500;-webkit-text-decoration:underline dashed;text-decoration:underline dashed}.wiki-link.unresolved{color:#ff6b6b;text-decoration-style:dotted}.right-sidebar{background-color:var(--bg-secondary);border-left:1px solid var(--border-color);flex-direction:column;flex-shrink:0;width:250px;min-width:200px;height:100%;display:flex}.right-sidebar-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;height:48px;padding:0 16px;display:flex}.right-sidebar-content{flex:1;padding:12px;overflow-y:auto}.sidebar-section-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:8px;font-size:11px;font-weight:700}.backlink-item{background-color:var(--bg-primary);border:1px solid var(--border-color);cursor:pointer;border-radius:4px;margin-bottom:6px;padding:6px 8px;font-size:12px;transition:all .15s}.backlink-item:hover{border-color:var(--bg-accent);background-color:#7b42bc0d}.graph-container{background-color:var(--bg-tertiary);flex-direction:column;flex:1;height:100%;display:flex;position:relative;overflow:hidden}.graph-canvas{cursor:grab;flex:1}.graph-canvas:active{cursor:grabbing}.graph-controls{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);z-index:10;background-color:#181818cc;border-radius:8px;flex-direction:column;gap:8px;padding:8px;display:flex;position:absolute;bottom:16px;right:16px}.graph-settings-panel{background-color:var(--bg-secondary);border-left:1px solid var(--border-color);flex-direction:column;width:260px;min-width:260px;animation:.2s ease-out slideInRight;display:flex;overflow:hidden}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.graph-settings-scroll{flex:1;padding:12px 14px;overflow-y:auto}.graph-settings-section{margin-bottom:18px}.graph-settings-section-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);border-bottom:1px solid var(--border-color);margin-bottom:10px;padding-bottom:4px;font-size:10px;font-weight:700}.graph-settings-row{color:var(--text-primary);cursor:pointer;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;font-size:12px;display:flex}.graph-settings-row>span:first-child{white-space:nowrap;flex-shrink:0;min-width:0}.graph-settings-value{color:var(--text-muted);text-align:right;font-variant-numeric:tabular-nums;flex-shrink:0;min-width:36px;font-size:10px}.graph-settings-row input[type=color]{border:1px solid var(--border-color);cursor:pointer;-webkit-appearance:none;background:0 0;border-radius:4px;width:24px;height:24px;padding:0}.graph-settings-row input[type=color]::-webkit-color-swatch-wrapper{padding:2px}.graph-settings-row input[type=color]::-webkit-color-swatch{border:none;border-radius:2px}.graph-settings-row input[type=range]{appearance:none;background:var(--border-color);border-radius:2px;outline:none;flex:1;max-width:100px;height:4px}.graph-settings-row input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--bg-accent);cursor:pointer;border:none;border-radius:50%;width:12px;height:12px;transition:box-shadow .15s;box-shadow:0 0 4px #7b42bc66}.graph-settings-row input[type=range]::-webkit-slider-thumb:hover{box-shadow:0 0 8px #7b42bcb3}.graph-settings-toggle{cursor:pointer}.graph-settings-toggle input[type=checkbox]{display:none}.graph-toggle-track{background-color:var(--border-color);border-radius:8px;flex-shrink:0;width:32px;height:16px;transition:background-color .2s;position:relative}.graph-toggle-thumb{background-color:var(--text-muted);border-radius:50%;width:12px;height:12px;transition:all .2s;position:absolute;top:2px;left:2px}.graph-settings-toggle input[type=checkbox]:checked+.graph-toggle-track{background-color:var(--bg-accent)}.graph-settings-toggle input[type=checkbox]:checked+.graph-toggle-track .graph-toggle-thumb{background-color:#fff;left:18px}.graph-settings-reset{border:1px solid var(--border-color);width:100%;color:var(--text-muted);cursor:pointer;background-color:#0000;border-radius:4px;margin-bottom:12px;padding:8px 12px;font-size:11px;transition:all .15s}.graph-settings-reset:hover{background-color:var(--border-color);color:var(--text-primary)}.modal-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:9999;background-color:#0009;justify-content:center;align-items:flex-start;padding-top:100px;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--bg-secondary);border:1px solid var(--border-active);border-radius:8px;width:600px;max-width:90%;overflow:hidden;box-shadow:0 20px 25px -5px #00000080}.modal-search-input{background-color:var(--bg-primary);border:none;border-bottom:1px solid var(--border-color);width:100%;color:var(--text-primary);padding:14px 18px;font-size:15px}.modal-list{max-height:350px;padding:8px 0;overflow-y:auto}.modal-item{cursor:pointer;color:var(--text-muted);justify-content:space-between;align-items:center;padding:10px 18px;font-size:13px;display:flex}.modal-item:hover,.modal-item.selected{background-color:var(--bg-accent);color:#fff}.modal-item-title{color:var(--text-primary);font-weight:500}.modal-item:hover .modal-item-title,.modal-item.selected .modal-item-title{color:#fff}.hotkey-badge{background-color:var(--bg-tertiary);border:1px solid var(--border-color);font-size:11px;font-family:var(--font-mono);color:var(--text-primary);border-radius:4px;padding:2px 8px;display:inline-block;box-shadow:0 1px 2px #0000001a}.tag-badge{color:var(--text-accent);cursor:pointer;background-color:#7b42bc26;border-radius:4px;align-items:center;gap:3px;padding:1px 6px;font-size:.85em;font-weight:500;transition:all .15s;display:inline-flex}.tag-badge:hover{color:#fff;background-color:#7b42bc4d}.link-autocomplete-dropdown{z-index:9998;background-color:var(--bg-secondary);border:1px solid var(--border-active);border-radius:6px;min-width:200px;max-width:350px;max-height:250px;padding:4px;position:fixed;overflow-y:auto;box-shadow:0 8px 24px #00000080}.link-autocomplete-item{color:var(--text-primary);cursor:pointer;border-radius:4px;align-items:center;gap:8px;padding:6px 10px;font-size:13px;transition:background-color .1s;display:flex}.link-autocomplete-item:hover,.link-autocomplete-item.selected{background-color:var(--bg-accent);color:#fff}.link-autocomplete-item .text-accent{color:var(--text-accent)}.link-autocomplete-item.selected .text-accent{color:#fff}.link-autocomplete-hint{color:var(--text-muted);opacity:.6;margin-left:auto;padding-left:8px;font-size:10px}.link-autocomplete-item.selected .link-autocomplete-hint{color:#fff9}.link-autocomplete-sub{border-top:1px solid var(--border-color);padding-left:28px;font-style:italic}.empty-state{height:100%;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:20px;display:flex}.empty-state-title{color:var(--text-primary);font-size:18px;font-weight:600}.ai-assistant-pane{background-color:var(--bg-secondary);flex-direction:column;flex-shrink:0;width:320px;min-width:280px;height:100%;display:flex}.ai-assistant-header{border-bottom:1px solid var(--border-color);background-color:var(--bg-primary);justify-content:space-between;align-items:center;height:36px;padding:0 12px;display:flex}.ai-assistant-content{flex:1;padding:14px;overflow-y:auto}.ai-form-group{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.ai-label{text-transform:uppercase;color:var(--text-muted);align-items:center;gap:6px;font-size:11px;font-weight:700;display:flex}.ai-select{background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;border-radius:4px;width:100%;padding:6px 10px;font-size:12px}.ai-section-title{text-transform:uppercase;color:var(--text-muted);margin-top:16px;margin-bottom:8px;font-size:11px;font-weight:700}.ai-actions-grid{grid-template-columns:1fr 1fr;gap:6px;display:grid}.ai-btn-secondary{background-color:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;text-align:left;border-radius:4px;padding:8px;font-size:11px;transition:all .15s}.ai-btn-secondary:hover:not(:disabled){border-color:var(--bg-accent);background-color:#7b42bc0d}.ai-btn-secondary:disabled{opacity:.5;cursor:not-allowed}.ai-textarea{background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);resize:vertical;width:100%;min-height:60px;font-size:12px;font-family:var(--font-sans);border-radius:4px;padding:8px 10px}.ai-btn-primary{background-color:var(--bg-accent);color:#fff;cursor:pointer;border:none;border-radius:4px;justify-content:center;align-items:center;margin-top:4px;padding:8px 12px;font-size:12px;font-weight:600;transition:background-color .15s;display:flex}.ai-btn-primary:hover:not(:disabled){background-color:var(--bg-accent-hover)}.ai-btn-primary:disabled{opacity:.5;cursor:not-allowed}.ai-error-box{color:#ff8787;background-color:#ff6b6b1a;border:1px solid #ff6b6b4d;border-radius:4px;align-items:flex-start;gap:8px;margin-top:10px;padding:10px;font-size:12px;display:flex}.ai-response-box{border:1px solid var(--border-color);background-color:var(--bg-tertiary);border-radius:6px;margin-top:16px;overflow:hidden}.ai-response-header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);text-transform:uppercase;color:var(--text-muted);justify-content:space-between;align-items:center;padding:6px 12px;font-size:11px;font-weight:700;display:flex}.ai-response-content{white-space:pre-wrap;color:var(--text-primary);max-height:300px;padding:12px;font-size:12px;line-height:1.6;overflow-y:auto}.badge-offline{color:#f87171;letter-spacing:.5px;background-color:#ef444426;border:1px solid #ef444466;border-radius:3px;margin-left:auto;padding:1px 4px;font-size:9px;font-weight:700}@keyframes pulse-slow{0%,to{opacity:1;transform:scale(1)}50%{opacity:.75;transform:scale(.96)}}.animate-pulse-slow{animation:3s ease-in-out infinite pulse-slow}.text-danger-hover:hover{color:#f87171!important}.graph-group-item{border:1px solid var(--border-color);background-color:#ffffff05;border-radius:4px;align-items:center;gap:6px;margin-bottom:8px;padding:6px 8px;display:flex}.graph-group-input{border:none;border-bottom:1px solid var(--border-color);color:var(--text-primary);background:0 0;outline:none;flex:1;min-width:0;padding:2px 4px;font-size:11px}.graph-group-input:focus{border-bottom-color:var(--bg-accent)}.graph-group-color{border:1px solid var(--border-color);cursor:pointer;-webkit-appearance:none;background:0 0;border-radius:50%;flex-shrink:0;width:20px;height:20px;padding:0}.graph-group-color::-webkit-color-swatch-wrapper{padding:1px}.graph-group-color::-webkit-color-swatch{border:none;border-radius:50%}.graph-group-add-btn{width:100%;color:var(--text-primary);cursor:pointer;background-color:#7b42bc1a;border:1px dashed #7b42bc66;border-radius:4px;justify-content:center;align-items:center;gap:4px;margin-top:8px;padding:6px;font-size:11px;transition:all .15s;display:flex}.graph-group-add-btn:hover{border-color:var(--bg-accent);background-color:#7b42bc33}.graph-search-input{background-color:var(--bg-primary);border:1px solid var(--border-color);width:100%;color:var(--text-primary);box-sizing:border-box;border-radius:4px;outline:none;margin-bottom:8px;padding:6px 10px;font-size:12px}.graph-search-input:focus{border-color:var(--bg-accent)}.auth-overlay{z-index:10000;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:radial-gradient(circle at 10% 20%,#140f1ef2 0%,#0a0a0ffa 90%);justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.auth-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#1c1c28a6;border:1px solid #ffffff14;border-radius:16px;flex-direction:column;width:420px;max-width:100%;padding:36px 40px;animation:.4s cubic-bezier(.16,1,.3,1) authFadeIn;display:flex;box-shadow:0 20px 50px #0006,inset 0 1px #ffffff1a}@keyframes authFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.auth-header{text-align:center;margin-bottom:30px}.auth-logo{justify-content:center;align-items:center;gap:12px;margin-bottom:12px;display:flex}.logo-icon{filter:drop-shadow(0 2px 8px #7b42bc80);font-size:28px}.auth-logo h1{background:linear-gradient(135deg,#fff 30%,#b886fc 100%);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;margin:0;font-size:24px;font-weight:800}.auth-subtitle{color:var(--text-muted);margin:0;padding:0 10px;font-size:13px;line-height:1.5}.auth-form{flex-direction:column;gap:20px;display:flex}.auth-alert{border-radius:8px;align-items:center;gap:10px;padding:10px 14px;font-size:12.5px;line-height:1.4;animation:.2s ease-out alertPop;display:flex}@keyframes alertPop{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.auth-alert.error{color:#f87171;background-color:#ef44441f;border:1px solid #ef444440}.auth-alert.success{color:#34d399;background-color:#10b9811f;border:1px solid #10b98140}.input-group{flex-direction:column;gap:6px;display:flex}.input-group label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-size:11px;font-weight:700}.input-wrapper{align-items:center;display:flex;position:relative}.input-icon{color:var(--text-muted);pointer-events:none;transition:color .2s;position:absolute;left:14px}.input-wrapper input{color:#fff;box-sizing:border-box;background-color:#0a0a0f66;border:1px solid #ffffff1a;border-radius:8px;outline:none;width:100%;height:44px;padding:0 16px 0 42px;font-size:14px;transition:all .2s}.input-wrapper input:focus{background-color:#0a0a0f99;border-color:#b886fc;box-shadow:0 0 12px #b886fc26}.input-wrapper input:focus+.input-icon{color:#b886fc}.auth-submit-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#7b42bc 0%,#9e5be0 100%);border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;height:44px;margin-top:10px;font-size:14px;font-weight:600;transition:all .2s;display:flex;box-shadow:0 4px 15px #7b42bc4d}.auth-submit-btn:hover:not(:disabled){background:linear-gradient(135deg,#8c4fd1 0%,#ab6ef0 100%);transform:translateY(-1px);box-shadow:0 6px 20px #7b42bc80}.auth-submit-btn:active:not(:disabled){transform:translateY(0)}.auth-submit-btn:disabled{opacity:.6;cursor:not-allowed}.spinner{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.auth-footer{text-align:center;border-top:1px solid #ffffff0f;margin-top:24px;padding-top:18px}.auth-switch-btn{color:#b886fc;cursor:pointer;background:0 0;border:none;font-size:13px;transition:color .2s}.auth-switch-btn:hover{color:#d1b3ff;text-decoration:underline}