.po-root,.po-workspace{--po-accent:#2b6cb0;--po-accent-weak:#e8f1fd;--po-border:#e4e7ec;--po-border-strong:#d3d7de;--po-bg:#fff;--po-bg-canvas:#f0f1f3;--po-bg-hover:#f5f7fa;--po-bg-active:#eef3fb;--po-text:#1f2329;--po-text-2:#4e5561;--po-muted:#8f959e;--po-danger:#d93025;--po-shadow:0 6px 20px #0f172a1f;--po-radius:8px;--po-header-h:44px;--po-toolbar-h:38px;--po-pagebar-h:36px;color:var(--po-text);-webkit-user-select:none;user-select:none;font-family:Inter,-apple-system,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:13px}.po-root *,.po-workspace *,.po-root :before,.po-workspace :before,.po-root :after,.po-workspace :after{box-sizing:border-box}.po-root button,.po-workspace button,.po-root input,.po-workspace input,.po-root select,.po-workspace select{font-family:inherit;font-size:inherit;color:inherit}.po-root button,.po-workspace button{cursor:pointer}.po-root{background:var(--po-bg-canvas);flex-direction:column;height:calc(100vh - 57px);display:flex;overflow:hidden}.po-main{flex-direction:column;flex:1;min-height:0;display:flex}.po-body{flex:1;min-height:0;display:flex}.po-header{height:var(--po-header-h);background:var(--po-bg);border-bottom:1px solid var(--po-border);z-index:40;flex:none;align-items:center;gap:4px;padding:0 10px;display:flex;position:relative}.po-header-logo{color:var(--po-text);white-space:nowrap;background:0 0;border:none;border-radius:6px;align-items:center;gap:6px;padding:4px 8px;font-size:13px;font-weight:600;display:flex}.po-header-logo:hover{background:var(--po-bg-hover)}.po-logo-dot{background:linear-gradient(135deg,#5ea1f3,#2b6cb0);border-radius:4px;width:16px;height:16px}.po-header-file{align-items:center;gap:4px;min-width:0;padding:0 6px;display:flex}.po-header-title{max-width:220px;color:var(--po-text);background:0 0;border:1px solid #0000;border-radius:6px;padding:3px 6px;font-size:13px;font-weight:600}.po-header-title:hover{border-color:var(--po-border)}.po-header-title:focus{border-color:var(--po-accent);background:#fff;outline:none}.po-star{color:#cbd2db;background:0 0;border:none;border-radius:5px;padding:2px 4px;font-size:15px;line-height:1}.po-star.on{color:#f5a623}.po-star:hover{background:var(--po-bg-hover)}.po-save-state{color:var(--po-muted);white-space:nowrap;font-size:11px}.po-header-right{align-items:center;gap:6px;margin-left:auto;display:flex}.po-header-btn{border:1px solid var(--po-border);color:var(--po-text-2);background:#fff;border-radius:6px;padding:5px 12px;font-size:12px;transition:all .12s}.po-header-btn:hover{background:var(--po-bg-hover);border-color:var(--po-border-strong)}.po-header-btn.primary{background:var(--po-accent);color:#fff;border-color:var(--po-accent)}.po-header-btn.primary:hover{background:#255f9e}.po-menubar{align-items:center;display:flex}.po-menubar-item{cursor:default;white-space:nowrap;color:var(--po-text-2);border-radius:6px;padding:5px 9px;font-size:13px;position:relative}.po-menubar-item:hover,.po-menubar-item.active{background:var(--po-bg-hover);color:var(--po-text)}.po-dropdown{border:1px solid var(--po-border);min-width:200px;box-shadow:var(--po-shadow);z-index:60;background:#fff;border-radius:8px;padding:5px;position:fixed}.po-dropdown.sub{margin-top:0;position:absolute;top:-6px;left:calc(100% - 2px)}.po-menu-item{color:var(--po-text);white-space:nowrap;border-radius:6px;justify-content:space-between;align-items:center;gap:18px;padding:6px 10px;font-size:13px;display:flex;position:relative}.po-menu-item:hover{background:var(--po-accent-weak)}.po-menu-item.planned{color:var(--po-muted)}.po-menu-item.planned:hover{background:var(--po-bg-hover)}.po-menu-label{flex:1}.po-menu-shortcut,.po-menu-arrow{color:var(--po-muted);font-size:11px}.po-menu-sep{background:var(--po-border);height:1px;margin:4px 6px}.po-toolbar{height:var(--po-toolbar-h);border-bottom:1px solid var(--po-border);scrollbar-width:none;background:#fbfcfd;flex:none;align-items:center;gap:2px;padding:0 10px;display:flex;overflow:auto hidden}.po-toolbar::-webkit-scrollbar{display:none}.po-tool-sep{background:var(--po-border);flex:none;width:1px;height:20px;margin:0 5px}.po-tool-btn{min-width:28px;height:28px;color:var(--po-text-2);background:0 0;border:none;border-radius:6px;flex:none;justify-content:center;align-items:center;padding:0 5px;transition:all .12s;display:inline-flex}.po-tool-btn:hover{background:var(--po-bg-hover);color:var(--po-text)}.po-tool-btn.active{background:var(--po-accent-weak);color:var(--po-accent)}.po-tool-btn:disabled{color:var(--po-muted);opacity:.5;cursor:default}.po-tool-btn:disabled:hover{background:0 0}.po-tool-select{border:1px solid var(--po-border);height:26px;color:var(--po-text-2);background:#fff;border-radius:6px;flex:none;max-width:120px;padding:0 4px;font-size:12px}.po-tool-select:hover{border-color:var(--po-border-strong)}.po-left-panel{background:var(--po-bg);border-right:1px solid var(--po-border);flex-direction:column;flex:none;width:200px;min-height:0;display:flex}.po-panel-tabs{border-bottom:1px solid var(--po-border);flex:none;display:flex}.po-panel-tab{color:var(--po-muted);background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:9px 4px;font-size:12px}.po-panel-tab.active{color:var(--po-accent);border-bottom-color:var(--po-accent);font-weight:600}.po-panel-body{flex:1;min-height:0;padding:8px;overflow-y:auto}.po-shape-cat{color:var(--po-muted);padding:8px 4px 4px;font-size:11px;font-weight:600}.po-shape-grid{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.po-shape-item{cursor:grab;border:1px solid #0000;border-radius:7px;flex-direction:column;align-items:center;gap:4px;padding:8px 4px 5px;transition:all .12s;display:flex}.po-shape-item:hover{border-color:var(--po-border-strong);background:var(--po-bg-hover)}.po-shape-item:active{cursor:grabbing}.po-shape-item svg{width:34px;height:24px}.po-shape-name{color:var(--po-text-2);text-align:center;font-size:10px;line-height:1.2}.po-theme-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.po-theme-card{border:1px solid var(--po-border);cursor:pointer;background:#fff;border-radius:8px;padding:6px;transition:all .12s}.po-theme-card:hover{border-color:var(--po-accent)}.po-theme-preview{grid-template-columns:1fr 1fr;gap:3px;margin-bottom:5px;display:grid}.po-theme-preview i{border:1px solid var(--po-border);border-radius:3px;height:16px;display:block}.po-theme-name{color:var(--po-text-2);text-align:center;font-size:11px}.po-history-new{border:1px dashed var(--po-border-strong);width:100%;color:var(--po-accent);background:0 0;border-radius:7px;margin-bottom:8px;padding:7px;font-size:12px}.po-history-new:hover{background:var(--po-accent-weak)}.po-history-item{border:1px solid var(--po-border);cursor:pointer;border-radius:7px;margin-bottom:6px;padding:7px 8px;transition:all .12s}.po-history-item:hover{border-color:var(--po-accent)}.po-history-name{font-size:12px;font-weight:600}.po-history-time{color:var(--po-muted);margin-top:2px;font-size:11px}.po-history-actions{gap:6px;margin-top:6px;display:flex}.po-history-actions button{border:1px solid var(--po-border);color:var(--po-text-2);background:#fff;border-radius:5px;flex:1;padding:3px 0;font-size:11px}.po-history-actions button:hover{border-color:var(--po-accent);color:var(--po-accent)}.po-history-actions button.danger:hover{border-color:var(--po-danger);color:var(--po-danger)}.po-myshape-actions{gap:6px;margin-bottom:8px;display:flex}.po-myshape-actions button{border:1px solid var(--po-border);color:var(--po-text-2);background:#fff;border-radius:6px;flex:1;padding:6px 0;font-size:12px}.po-myshape-actions button:hover{border-color:var(--po-accent);color:var(--po-accent)}.po-myshape-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.po-myshape-card{border:1px solid var(--po-border);cursor:grab;text-align:center;border-radius:7px;padding:6px;transition:all .12s}.po-myshape-card:hover{border-color:var(--po-accent)}.po-myshape-card svg{width:100%;height:40px}.po-myshape-card .name{color:var(--po-text-2);text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:10px;overflow:hidden}.po-empty-hint{color:var(--po-muted);text-align:center;padding:30px 10px;font-size:12px;line-height:1.7}.po-right-panel{background:var(--po-bg);border-left:1px solid var(--po-border);flex-direction:column;flex:none;width:240px;min-height:0;display:flex}.po-props-section{border-bottom:1px solid var(--po-border);padding:10px 12px}.po-props-title{color:var(--po-muted);margin-bottom:8px;font-size:11px;font-weight:600}.po-props-row{align-items:center;gap:6px;margin-bottom:7px;display:flex}.po-props-label{color:var(--po-text-2);min-width:40px;font-size:12px}.po-props-grid{grid-template-columns:1fr 1fr;gap:7px;display:grid}.po-field{color:var(--po-muted);align-items:center;gap:5px;font-size:11px;display:flex}.po-field input[type=number],.po-field input[type=text]{border:1px solid var(--po-border);min-width:0;color:var(--po-text);border-radius:5px;flex:1;padding:3px 5px;font-size:12px}.po-field input:focus{border-color:var(--po-accent);outline:none}.po-style-btn{border:1px solid var(--po-border);color:var(--po-text-2);background:#fff;border-radius:6px;flex:1;padding:5px 0;font-size:12px}.po-style-btn:hover{background:var(--po-bg-hover)}.po-style-btn.active{border-color:var(--po-accent);color:var(--po-accent);background:var(--po-accent-weak)}.po-align-group{grid-template-columns:repeat(3,1fr);gap:5px;display:grid}.po-opacity-row{align-items:center;gap:8px;display:flex}.po-opacity-row input[type=range]{accent-color:var(--po-accent);flex:1}.po-color-row{align-items:center;gap:8px;display:flex}.po-color-row .po-color-pop{flex:1}.po-tool-input{border:1px solid var(--po-border);min-width:0;color:var(--po-text);background:#fff;border-radius:5px;flex:1;padding:4px 6px;font-size:12px}.po-tool-input:focus{border-color:var(--po-accent);outline:none}.po-data-props{flex-direction:column;gap:6px;display:flex}.po-data-row{align-items:center;gap:6px;display:flex}.po-data-row .po-tool-input{min-width:0}.po-data-row .po-style-btn{flex:none;width:28px;padding:4px 0}.po-fold{border-bottom:1px solid var(--po-border)}.po-fold-head{cursor:pointer;color:var(--po-text-2);justify-content:space-between;align-items:center;padding:10px 12px;font-size:12px;font-weight:600;display:flex}.po-fold-head:hover{background:var(--po-bg-hover)}.po-fold-caret{color:var(--po-muted);font-size:10px;transition:transform .15s}.po-fold.open .po-fold-caret{transform:rotate(90deg)}.po-fold-body{padding:0 12px 12px}.po-canvas{background:radial-gradient(circle at 1px 1px,#d8dbe0 1px,transparent 0)0 0/20px 20px,var(--po-bg-canvas);cursor:default;flex:1;min-width:0;position:relative;overflow:hidden}.po-canvas-svg{width:100%;height:100%;display:block}.po-page-bg{box-shadow:0 1px 6px #0f172a1f}.po-node-outline{pointer-events:none}.po-handle{fill:#fff;stroke:var(--po-accent);stroke-width:1.5px;pointer-events:all}.po-port{fill:#fff;stroke:var(--po-accent);stroke-width:1.5px;cursor:crosshair;pointer-events:all}.po-marquee{pointer-events:none}.po-text-editor{z-index:30;border:1.5px solid var(--po-accent);resize:none;-webkit-user-select:text;user-select:text;background:#fff;border-radius:3px;outline:none;padding:0;position:absolute;overflow:hidden}.po-zoom-control{border:1px solid var(--po-border);z-index:20;background:#fff;border-radius:8px;align-items:center;gap:2px;padding:3px;display:flex;position:absolute;bottom:14px;right:14px;box-shadow:0 2px 8px #0f172a14}.po-zoom-control button{width:28px;height:26px;color:var(--po-text-2);background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;display:flex}.po-zoom-control button:hover{background:var(--po-bg-hover)}.po-zoom-value{text-align:center;min-width:46px;color:var(--po-text-2);cursor:pointer;border-radius:6px;padding:3px 0;font-size:12px}.po-zoom-value:hover{background:var(--po-bg-hover)}.po-pagebar{height:var(--po-pagebar-h);background:var(--po-bg);border-top:1px solid var(--po-border);scrollbar-width:none;flex:none;align-items:center;gap:4px;padding:0 10px;display:flex;overflow-x:auto}.po-pagebar::-webkit-scrollbar{display:none}.po-page-tab{color:var(--po-text-2);white-space:nowrap;border:1px solid #0000;border-radius:6px;flex:none;align-items:center;gap:5px;padding:4px 10px;font-size:12px;display:inline-flex}.po-page-tab:hover{background:var(--po-bg-hover)}.po-page-tab.active{background:var(--po-accent-weak);color:var(--po-accent);border-color:var(--po-accent);font-weight:600}.po-page-add{border:1px dashed var(--po-border-strong);width:24px;height:24px;color:var(--po-muted);background:0 0;border-radius:6px;flex:none;justify-content:center;align-items:center;font-size:16px;display:flex}.po-page-add:hover{color:var(--po-accent);border-color:var(--po-accent)}.po-context-menu{border:1px solid var(--po-border);min-width:180px;box-shadow:var(--po-shadow);z-index:100;background:#fff;border-radius:8px;padding:5px;position:fixed}.po-modal-mask{z-index:90;background:#0f172a66;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.po-modal{box-shadow:var(--po-shadow);background:#fff;border-radius:12px;flex-direction:column;width:480px;max-width:92vw;max-height:84vh;display:flex;overflow:hidden}.po-modal-head{border-bottom:1px solid var(--po-border);justify-content:space-between;align-items:center;padding:14px 18px;font-size:14px;font-weight:600;display:flex}.po-modal-close{color:var(--po-muted);background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;display:flex}.po-modal-close:hover{background:var(--po-bg-hover);color:var(--po-text)}.po-modal-body{padding:18px;overflow-y:auto}.po-new-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.po-new-item{border:1px solid var(--po-border);background:#fff;border-radius:10px;flex-direction:column;align-items:center;gap:8px;padding:14px 8px;transition:all .15s;display:flex}.po-new-item:hover{border-color:var(--po-accent);transform:translateY(-1px);box-shadow:0 2px 8px #2b6cb026}.po-new-item .icon{color:#fff;border-radius:9px;justify-content:center;align-items:center;width:38px;height:38px;font-size:18px;display:flex}.po-new-item .name{color:var(--po-text-2);font-size:12px}.po-shortcut-table{border-collapse:collapse;width:100%}.po-shortcut-table td{border-bottom:1px solid var(--po-border);padding:6px 8px;font-size:12px}.po-shortcut-table td:first-child{color:var(--po-text-2)}.po-shortcut-table td:last-child{color:var(--po-muted);text-align:right;white-space:nowrap}.po-shortcut-kbd{background:var(--po-bg-hover);border:1px solid var(--po-border);color:var(--po-text-2);border-radius:4px;padding:1px 6px;font-family:Menlo,Consolas,monospace;font-size:11px;display:inline-block}.po-preview-body{background:var(--po-bg-canvas);justify-content:center;padding:16px;display:flex}.po-preview-body svg{max-width:100%;height:auto}.po-toast{color:#fff;z-index:200;pointer-events:none;box-shadow:var(--po-shadow);background:#1f2329eb;border-radius:8px;padding:9px 16px;font-size:13px;animation:.18s po-fade-in;position:fixed;top:70px;left:50%;transform:translate(-50%)}@keyframes po-fade-in{0%{opacity:0;transform:translate(-50%,-6px)}to{opacity:1;transform:translate(-50%)}}.po-color-pop{align-items:center;display:inline-flex;position:relative}.po-color-chip{border:1px solid var(--po-border);background:#fff;border-radius:6px;align-items:center;gap:6px;padding:4px 7px;display:inline-flex}.po-color-chip.active{border-color:var(--po-accent)}.po-color-preview{background-image:linear-gradient(45deg,#eee 25%,#0000 25% 75%,#eee 75%),linear-gradient(45deg,#eee 25%,#0000 25% 75%,#eee 75%);background-position:0 0,4px 4px;background-size:8px 8px;border:1px solid #0000001a;border-radius:4px;width:18px;height:18px}.po-color-caret{border-left:4px solid #0000;border-right:4px solid #0000;border-top:4px solid var(--po-muted);width:0;height:0}.po-color-panel{z-index:70;border:1px solid var(--po-border);box-shadow:var(--po-shadow);background:#fff;border-radius:10px;width:190px;padding:10px;position:absolute;top:calc(100% + 6px);left:0}.po-color-title{color:var(--po-muted);margin-bottom:7px;font-size:11px}.po-swatch-grid{grid-template-columns:repeat(8,1fr);gap:5px;display:grid}.po-swatch{aspect-ratio:1;border:1px solid #00000014;border-radius:4px;width:100%;padding:0}.po-swatch:hover{outline:2px solid var(--po-accent)}.po-swatch.sel{outline:2px solid var(--po-accent);outline-offset:0}.po-swatch.none{background:linear-gradient(135deg,#fff 45%,#e33 45% 55%,#fff 55%)}.po-color-custom{color:var(--po-text-2);border-top:1px solid var(--po-border);justify-content:space-between;align-items:center;margin-top:9px;padding-top:8px;font-size:11px;display:flex}.po-color-custom input[type=color]{cursor:pointer;background:0 0;border:none;width:30px;height:22px;padding:0}.po-workspace{background:#f7f8fa;height:calc(100vh - 57px);display:flex;overflow:hidden}.po-ws-sidebar{border-right:1px solid var(--po-border);background:#fff;flex-direction:column;flex:none;gap:4px;width:200px;padding:12px 8px;display:flex}.po-ws-create{background:var(--po-accent);color:#fff;border:none;border-radius:8px;align-items:center;gap:8px;margin-bottom:10px;padding:9px 12px;font-weight:600;display:flex}.po-ws-create:hover{background:#255f9e}.po-ws-create.secondary{color:var(--po-text-2);border:1px solid var(--po-border);background:#fff;margin-bottom:4px;font-weight:500}.po-ws-create.secondary:hover{background:var(--po-bg-hover)}.po-ws-nav{color:var(--po-text-2);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:7px;align-items:center;gap:9px;padding:8px 12px;font-size:13px;display:flex}.po-ws-nav:hover{background:var(--po-bg-hover)}.po-ws-nav.active{background:var(--po-accent-weak);color:var(--po-accent);font-weight:600}.po-ws-nav .count{color:var(--po-muted);margin-left:auto;font-size:11px}.po-ws-main{flex-direction:column;flex:1;min-width:0;display:flex}.po-ws-toolbar{border-bottom:1px solid var(--po-border);background:#fff;flex:none;align-items:center;gap:10px;height:54px;padding:0 18px;display:flex}.po-ws-title{font-size:16px;font-weight:600}.po-ws-search{border:1px solid var(--po-border);color:var(--po-muted);background:#fafbfc;border-radius:7px;flex:0 0 220px;align-items:center;gap:6px;padding:5px 10px;display:flex}.po-ws-search input{color:var(--po-text);background:0 0;border:none;outline:none;flex:1;font-size:12px}.po-ws-spacer{flex:1}.po-ws-sort{border:1px solid var(--po-border);color:var(--po-text-2);background:#fff;border-radius:7px;padding:5px 8px;font-size:12px}.po-ws-view{border:1px solid var(--po-border);border-radius:7px;display:flex;overflow:hidden}.po-ws-view button{color:var(--po-muted);background:#fff;border:none;align-items:center;padding:5px 9px;display:flex}.po-ws-view button.active{background:var(--po-accent-weak);color:var(--po-accent)}.po-ws-list{flex:1;padding:18px;overflow-y:auto}.po-file-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;display:grid}.po-file-card{border:1px solid var(--po-border);cursor:pointer;background:#fff;border-radius:10px;transition:all 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#0f172a2e}.po-m-fab:active{background:var(--po-bg-active)}.po-m-scrim{z-index:70;background:#0f172a59;display:block;position:fixed;inset:0}.po-canvas{touch-action:none}.po-pagebar{height:30px}.po-ws-burger{z-index:90;border:1px solid var(--po-border);width:42px;height:42px;color:var(--po-text-2);cursor:pointer;background:#fff;border-radius:50%;justify-content:center;align-items:center;display:flex;position:fixed;bottom:18px;left:10px;box-shadow:0 4px 14px #0f172a2e}.po-ws-scrim{z-index:70;background:#0f172a59;display:block;position:fixed;inset:0}.po-ws-sidebar{z-index:80;width:min(78vw,280px);box-shadow:var(--po-shadow);transition:transform .22s;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;transform:translate(-105%)}.po-ws-sidebar.open{transform:translate(0)}.po-ws-toolbar{gap:6px;height:48px;padding:0 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