*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f5f5}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:300px;background:#2c2c2c;color:#e0e0e0;display:flex;flex-direction:column}.left-sidebar{border-right:1px solid #1a1a1a}.right-sidebar{border-left:1px solid #ddd;background:#f9f9f9;color:#333}.main-content{flex:1;background:#fff;overflow:auto;display:flex;flex-direction:column}.tree-view{display:flex;flex-direction:column;height:100%}.tree-header{padding:16px;border-bottom:1px solid #1a1a1a;background:#1a1a1a;display:flex;align-items:center;justify-content:space-between}.tree-header h2{font-size:18px;font-weight:600}.add-root-btn{width:28px;height:28px;border:none;background:#ffffff1a;color:#e0e0e0;border-radius:4px;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:background .15s}.add-root-btn:hover{background:#fff3}.tree-content{flex:1;overflow-y:auto;padding:12px 16px}.tree-node{-webkit-user-select:none;user-select:none}.tree-node-label{display:flex;align-items:center;padding:6px 8px;cursor:pointer;transition:background .15s;position:relative;border-radius:4px;margin-bottom:2px}.tree-node-label:hover{background:#ffffff0d}.tree-node-label.selected{background:#06c;color:#fff}.node-icon{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;margin-right:6px;font-size:16px;flex-shrink:0}.node-name{flex:1;font-size:14px}.node-actions{display:flex;gap:4px;visibility:hidden}.tree-node-label:hover .node-actions{visibility:visible}.action-btn{width:20px;height:20px;border:none;background:#ffffff1a;color:#e0e0e0;border-radius:3px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .15s}.action-btn:hover{background:#fff3}.delete-btn:hover{background:#c00;color:#fff}.tree-node-label.creating{background:#ffffff0d;cursor:default}.new-note-input{flex:1;background:#3c3c3c;border:1px solid #0066cc;color:#e0e0e0;padding:4px 8px;font-size:13px;border-radius:3px;outline:none;font-family:inherit;margin-left:0}.new-note-input::placeholder{color:#888}.note-editor{display:flex;flex-direction:column;height:100%;flex:1;align-items:center}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#999;gap:8px}.empty-state p{font-size:18px}.empty-state .hint{font-size:14px;color:#bbb}.note-header{width:100%;max-width:650px;padding:32px 40px 20px;border-bottom:1px solid #eee;background:#fff}.note-header h1{font-size:26px;color:#222;margin-bottom:8px;word-break:break-all;font-weight:600;letter-spacing:-.02em}.editable-path{cursor:pointer;transition:color .15s}.editable-path:hover{color:#06c}.path-edit-container{display:flex;align-items:center;margin-bottom:8px}.path-hash{font-size:26px;color:#222;font-weight:600;letter-spacing:-.02em;margin-right:2px}.path-input{flex:1;font-size:26px;color:#222;font-weight:600;letter-spacing:-.02em;border:2px solid #0066cc;border-radius:4px;padding:4px 8px;outline:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background:#f8f8f8}.note-meta{display:flex;gap:16px;font-size:11px;color:#999}.note-content{flex:1;width:100%;max-width:650px;padding:40px;border:none;font-size:17px;line-height:1.75;font-family:Georgia,Palatino,Times New Roman,serif;outline:none;background:#fff;color:#1a1a1a;overflow-y:auto;text-align:left;white-space:pre-wrap;word-wrap:break-word}.note-content:empty:before{content:attr(data-placeholder);color:#999;font-style:italic}.note-content>div{margin:0;min-height:1.75em}.note-content>div:not(:empty):not(:has(>br:only-child))+div:not(:empty):not(:has(>br:only-child)){text-indent:2em}.note-content>div:first-child{text-indent:0}.note-content>div:empty{text-indent:0;min-height:1em}.note-content>div:empty+div{text-indent:0}.note-content>div:empty+div:empty+div{text-indent:0}.note-content>div:has(>br:only-child){text-indent:0;min-height:1em}.note-content>div:has(>br:only-child)+div{text-indent:0}.note-content strong,.note-content b{font-weight:700}.note-content em,.note-content i{font-style:italic}.note-content u{text-decoration:underline}.note-content .note-link{color:#fff;background-color:#9932cc;text-decoration:none;cursor:pointer;padding:5px;border-radius:5px;font-size:.8em;font-weight:700;transition:background-color .15s;white-space:nowrap}.note-content .note-link:hover{background-color:#8b008b}.note-content .note-link:after{content:" ↗";color:#fff;margin-left:2px}.linked-notes-sidebar{display:flex;flex-direction:column;height:100%}.description-pane{display:flex;flex-direction:column;border-bottom:1px solid #ddd;flex:0 0 200px}.links-pane{display:flex;flex-direction:column;flex:1;overflow:hidden;border-bottom:1px solid #ddd}.properties-pane{display:flex;flex-direction:column;flex:0 0 auto}.sidebar-header{padding:16px;border-bottom:1px solid #e0e0e0;background:#f0f0f0}.sidebar-header h2{font-size:14px;font-weight:600;color:#333;text-transform:uppercase;letter-spacing:.5px}.sidebar-content{flex:1;overflow-y:auto;padding:16px}.sidebar-content.empty{display:flex;align-items:center;justify-content:center;color:#999;font-size:14px}.links-section{margin-bottom:28px}.links-section:last-child{margin-bottom:0}.description-textarea{flex:1;width:100%;padding:16px;border:none;font-family:inherit;font-size:13px;color:#333;resize:none;outline:none;background:#f9f9f9}.description-textarea::placeholder{color:#999}.section-title{font-size:12px;font-weight:600;color:#666;margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.empty-message{color:#999;font-size:13px;font-style:italic;padding:8px 0}.link-list{display:flex;flex-direction:column;gap:8px}.link-button{padding:10px 12px;background:#fff;border:1px solid #ddd;border-radius:4px;color:#06c;cursor:pointer;font-size:13px;text-align:left;transition:all .15s;word-break:break-all}.link-button:hover{background:#f5f5f5;border-color:#06c}.link-button.backlink{background:#f8f8ff;border-color:#d0d0e0}.link-button.backlink:hover{background:#f0f0ff;border-color:#06c}.tree-content::-webkit-scrollbar,.sidebar-content::-webkit-scrollbar{width:8px}.tree-content::-webkit-scrollbar-track{background:#1a1a1a}.tree-content::-webkit-scrollbar-thumb{background:#444;border-radius:4px}.tree-content::-webkit-scrollbar-thumb:hover{background:#555}.sidebar-content::-webkit-scrollbar-track{background:#f0f0f0}.sidebar-content::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}.sidebar-content::-webkit-scrollbar-thumb:hover{background:#bbb}.formatting-toolbar{display:flex;gap:4px;background:#2c2c2c;border-radius:6px;padding:6px;box-shadow:0 4px 12px #0000004d;z-index:1000;animation:fadeIn .15s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%) translateY(-4px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.toolbar-btn{width:32px;height:32px;border:none;background:transparent;color:#e0e0e0;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:14px;transition:background .15s;font-family:Georgia,Palatino,Times New Roman,serif}.toolbar-btn:hover{background:#ffffff1a}.toolbar-btn:active{background:#fff3}.toolbar-btn strong{font-weight:700;font-size:14px}.toolbar-btn em{font-style:italic;font-size:14px}.toolbar-btn u{text-decoration:underline;font-size:14px}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:4px}.stat-item{display:flex;flex-direction:column;gap:6px;padding:12px;background:#fff;border-radius:6px;border:1px solid #e0e0e0}.stat-label{font-size:11px;font-weight:600;color:#666;text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:20px;font-weight:700;color:#333}.autocomplete-popup{background:#2c2c2c;border:1px solid #444;border-radius:6px;box-shadow:0 4px 12px #0000004d;max-height:200px;overflow-y:auto;min-width:150px;z-index:1000;animation:fadeIn .1s ease-out}.autocomplete-item{padding:8px 12px;cursor:pointer;color:#e0e0e0;font-size:14px;transition:background .1s}.autocomplete-item:hover,.autocomplete-item.selected{background:#06c;color:#fff}.autocomplete-item:first-child{border-radius:6px 6px 0 0}.autocomplete-item:last-child{border-radius:0 0 6px 6px}.autocomplete-popup::-webkit-scrollbar{width:6px}.autocomplete-popup::-webkit-scrollbar-track{background:#1a1a1a;border-radius:0 6px 6px 0}.autocomplete-popup::-webkit-scrollbar-thumb{background:#444;border-radius:3px}.autocomplete-popup::-webkit-scrollbar-thumb:hover{background:#555}