:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-bg:#fff;--color-surface:#fff;--color-surface-hover:#f4f4f4;--color-surface-active:#ececec;--color-border:#e7e7e7;--color-border-strong:#d8d8d8;--color-text:#1a1a1a;--color-text-secondary:#6b6b6b;--color-text-muted:#9a9a9a;--color-accent:#111;--color-accent-soft:#f0f0f0;--color-danger:#c0392b;--color-danger-soft:#fdeceb;--color-fill:#f4f4f4;--color-fill-hover:#e9e9e9;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--shadow-panel:0 1px 2px #00000008, 0 2px 8px #0000000d;--shadow-control-active:0 1px 1px #0000000d;--font-size-xs:11px;--font-size-sm:12px;--font-size-md:13px;--space-sm:6px;--space-md:12px;--space-lg:16px;--pdf-rail-offset:58px;font-family:system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}svg{display:block}html,body,#root{width:100%;height:100%;margin:0;padding:0;overflow:hidden}.properties-panel{z-index:10;background:var(--color-surface);border-left:1px solid 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var(--color-border);background:var(--color-surface);min-width:168px;max-width:240px;box-shadow:var(--shadow-panel);flex-direction:column;gap:2px;margin-left:-4px;padding:4px;font-family:system-ui,sans-serif;display:flex;position:absolute;top:0;left:100%}.pdf-library-flyout-item{box-sizing:border-box;text-align:left;border-radius:var(--radius-sm);width:100%;color:var(--color-text-secondary);font-size:var(--font-size-sm);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:6px 8px;display:flex}.pdf-library-flyout-item:hover{background:var(--color-surface-hover);color:var(--color-text)}.pdf-library-flyout-item.is-open{background:var(--color-accent-soft);color:var(--color-text)}.pdf-library-flyout-item svg{flex-shrink:0}.pdf-library-flyout-item-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.pdf-library-flyout-divider{background:var(--color-border);flex-shrink:0;height:1px;margin:2px 4px}.pdf-library-flyout-rename-wrap{padding:2px 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var(--color-border);background:var(--color-surface);width:34px;height:34px;color:var(--color-text-secondary);box-shadow:var(--shadow-panel);cursor:pointer;justify-content:center;align-items:center;padding:0;display:flex}.canvas-search-toggle:hover{color:var(--color-text)}.canvas-search-toggle.is-active{border-color:var(--color-border-strong);background:var(--color-accent-soft);color:var(--color-text)}.canvas-search-panel{border-radius:var(--radius-md);background:var(--color-surface);border:1px solid var(--color-border);width:260px;box-shadow:var(--shadow-panel);font-family:system-ui,sans-serif;position:absolute;top:0;left:42px;overflow:hidden}.canvas-search-input{box-sizing:border-box;width:100%;font:inherit;font-size:var(--font-size-md);border:none;border-bottom:1px solid var(--color-border);color:var(--color-text);padding:8px 10px}.canvas-search-input:focus{outline:none}.canvas-search-results{max-height:260px;overflow-y:auto}.canvas-search-empty{color:var(--color-text-muted);font-size:var(--font-size-sm);padding:10px 12px}.canvas-search-result{text-align:left;cursor:pointer;background:0 0;border:none;align-items:flex-start;gap:7px;width:100%;padding:7px 10px;display:flex}.canvas-search-result:hover{background:var(--color-surface-hover)}.canvas-search-result-icon{color:var(--color-text-muted);flex-shrink:0;margin-top:2px;display:flex}.canvas-search-result-body{flex-direction:column;min-width:0;display:flex}.canvas-search-result-title{font-size:var(--font-size-sm);color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.canvas-search-result-snippet{font-size:var(--font-size-xs);color:var(--color-text-muted);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.link-marker{color:var(--color-text-secondary);cursor:pointer;justify-content:center;align-items:center;display:flex}.link-marker:hover{color:var(--color-text)}.link-marker.is-selected{color:var(--color-accent,#3d7fff);outline:2px solid var(--color-accent,#3d7fff);outline-offset:2px}.link-marker.is-draft{color:var(--color-accent,#3d7fff);outline:2px dashed var(--color-accent,#3d7fff);outline-offset:3px;border-radius:50%;animation:1.2s ease-in-out infinite link-draft-pulse}@keyframes link-draft-pulse{0%,to{opacity:1}50%{opacity:.5}}.file-tree-panel{width:var(--file-tree-width,240px);z-index:20;background:var(--color-surface);border-right:1px solid var(--color-border);box-shadow:var(--shadow-panel);font-family:system-ui,sans-serif;font-size:var(--font-size-md);color:var(--color-text);-webkit-user-select:none;user-select:none;flex-direction:column;transition:width .15s;display:flex;position:fixed;top:0;bottom:0;left:0}.file-tree-expand-tab{width:100%;height:100%;color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:flex-start;padding-top:14px;display:flex}.file-tree-expand-tab:hover{background:var(--color-surface-hover);color:var(--color-text)}.file-tree-toolbar{padding:12px var(--space-md) 8px;align-items:center;gap:4px;display:flex}.file-tree-toolbar-right{white-space:nowrap;flex:none;align-items:center;gap:4px;margin-left:auto;display:flex}.file-tree-toolbar button{font-size:var(--font-size-sm);border-radius:var(--radius-sm);background:var(--color-fill);cursor:pointer;color:var(--color-text-secondary);white-space:nowrap;border:none;justify-content:space-between;align-items:center;gap:4px;padding:5px 7px;display:flex}.file-tree-toolbar button:hover{background:var(--color-fill-hover);color:var(--color-text)}.file-tree-icon-btn{width:26px;height:26px;color:var(--color-text-secondary);flex:none;justify-content:center;align-items:center;display:flex;background:0 0!important;border:none!important;padding:0!important}.file-tree-icon-btn:hover{color:var(--color-text);background:var(--color-surface-hover)!important}.file-tree-search-row{padding:4px var(--space-md);margin-bottom:8px;position:relative}.file-tree-search-icon{color:var(--color-text-muted);pointer-events:none;display:flex;position:absolute;top:50%;left:22px;transform:translateY(-50%)}.file-tree-search-input{box-sizing:border-box;width:100%;font:inherit;font-size:var(--font-size-sm);border-radius:var(--radius-sm);background:var(--color-fill);color:var(--color-text);border:none;padding:6px 22px 6px 28px}.file-tree-search-input:focus{background:var(--color-fill-hover);outline:none}.file-tree-search-clear{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;padding:2px;display:flex;position:absolute;top:50%;right:16px;transform:translateY(-50%)}.file-tree-search-clear:hover{color:var(--color-text)}.file-tree-search-empty{color:var(--color-text-muted);font-size:var(--font-size-sm);padding:10px 12px}.file-tree-list{padding:4px var(--space-md);flex:1;overflow-y:auto}.file-tree-list.is-drop-target{background:var(--color-accent-soft)}.file-tree-row{cursor:pointer;white-space:nowrap;border-radius:var(--radius-sm);color:var(--color-text);align-items:center;gap:6px;padding:6px 8px;display:flex}.file-tree-row:hover{background:var(--color-surface-hover)}.file-tree-file-row.is-drop-target{background:var(--color-accent-soft);outline:1px dashed var(--color-text-secondary)}.file-tree-row.is-drop-before{box-shadow:inset 0 2px 0 0 var(--color-text)}.file-tree-row.is-drop-after{box-shadow:inset 0 -2px 0 0 var(--color-text)}.file-tree-page-row.is-active{background:var(--color-accent-soft);color:var(--color-text);font-weight:600}.file-tree-row-caret{width:14px;color:var(--color-text-muted);flex:none;justify-content:center;align-items:center;transition:transform .1s;display:flex}.file-tree-row-caret.is-expanded{transform:rotate(90deg)}.file-tree-row-icon{color:var(--color-text-secondary);flex:none;justify-content:center;align-items:center;display:flex}.file-tree-row-name{text-overflow:ellipsis;overflow:hidden}.file-tree-rename-input{font:inherit;color:inherit;border-radius:var(--radius-sm);background:var(--color-fill);min-width:0;box-shadow:inset 0 0 0 1.5px var(--color-border-strong);border:none;flex:1;padding:1px 4px}.file-tree-context-menu{z-index:50;border-radius:var(--radius-md);background:var(--color-surface);border:1px solid var(--color-border);min-width:140px;box-shadow:var(--shadow-panel);flex-direction:column;padding:4px;display:flex;position:fixed}.file-tree-context-menu button{text-align:left;border-radius:var(--radius-sm);cursor:pointer;font-size:var(--font-size-md);color:var(--color-text);background:0 0;border:none;padding:6px 10px}.file-tree-context-menu button:hover{background:var(--color-surface-hover)}.file-tree-context-menu button.is-danger{color:var(--color-danger)}.trash-panel-overlay{z-index:100;background:#00000040;justify-content:center;align-items:center;font-family:system-ui,sans-serif;display:flex;position:fixed;inset:0}.trash-panel{background:var(--color-surface);border-radius:var(--radius-lg);flex-direction:column;width:360px;max-height:70vh;display:flex;overflow:hidden;box-shadow:0 8px 30px #0003}.trash-panel-header{border-bottom:1px solid var(--color-border);color:var(--color-text);justify-content:space-between;align-items:center;padding:12px 14px;font-size:14px;font-weight:600;display:flex}.trash-panel-close{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;padding:2px 6px;font-size:18px;line-height:1;display:flex}.trash-panel-close:hover{color:var(--color-text)}.trash-panel-list{flex:1;padding:6px 0;overflow-y:auto}.trash-panel-empty{text-align:center;color:var(--color-text-muted);font-size:var(--font-size-md);padding:24px 14px}.trash-panel-row{align-items:center;gap:8px;padding:8px 14px;display:flex}.trash-panel-row:hover{background:var(--color-surface-hover)}.trash-panel-row-icon{color:var(--color-text-secondary);display:flex}.trash-panel-row-info{flex-direction:column;flex:1;min-width:0;display:flex}.trash-panel-row-name{font-size:var(--font-size-md);color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.trash-panel-row-date{font-size:var(--font-size-xs);color:var(--color-text-muted)}.trash-panel-row-actions{flex:none;gap:4px;display:flex}.trash-panel-row-actions button{font-size:var(--font-size-xs);border-radius:var(--radius-sm);background:var(--color-fill);cursor:pointer;color:var(--color-text-secondary);border:none;padding:4px 7px}.trash-panel-row-actions button:hover{background:var(--color-fill-hover);color:var(--color-text)}.trash-panel-row-actions button.is-danger{color:var(--color-danger);background:var(--color-danger-soft)}.trash-panel-footer{border-top:1px solid var(--color-border);justify-content:flex-end;padding:10px 14px;display:flex}.trash-panel-footer button.is-danger{font-size:var(--font-size-sm);border-radius:var(--radius-sm);background:var(--color-danger-soft);color:var(--color-danger);cursor:pointer;border:none;padding:6px 10px}.trash-panel-footer button.is-danger:hover{background:#f9d9d5}