@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap";:root{--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-heading:"Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--bg-app:#090b11;--bg-sidebar:#0d111cb3;--bg-card:#161c2d99;--bg-editor:#0d111c80;--border-color:#ffffff14;--border-focus:#8b5cf680;--text-main:#e2e8f0;--text-muted:#94a3b8;--text-heading:#f8fafc;--primary:#8b5cf6;--primary-hover:#7c3aed;--primary-glow:#8b5cf640;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--shadow-lg:0 10px 25px -5px #00000080, 0 8px 10px -6px #00000080;--shadow-glow:0 0 20px #8b5cf626;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-xl:30px;box-sizing:border-box}*{box-sizing:inherit;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;overflow:hidden}.glass{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color)}.auth-container{background-color:var(--bg-app);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex;position:relative;overflow:hidden}.auth-glow{pointer-events:none;z-index:1;background:radial-gradient(circle,#8b5cf633 0%,#0000 70%);width:40vw;height:40vw;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.auth-card{border-radius:var(--radius-lg);width:100%;max-width:440px;box-shadow:var(--shadow-lg);z-index:2;border:1px solid #ffffff1a;padding:40px;animation:.5s cubic-bezier(.16,1,.3,1) fadeIn;position:relative}.auth-header{text-align:center;margin-bottom:30px}.auth-logo{background:linear-gradient(135deg, var(--primary), #a78bfa);border-radius:var(--radius-md);color:#fff;margin-bottom:16px;padding:12px;display:inline-flex;box-shadow:0 4px 15px #8b5cf666}.auth-header h1{font-family:var(--font-heading);color:var(--text-heading);letter-spacing:-.5px;margin-bottom:8px;font-size:28px;font-weight:700}.auth-header p{color:var(--text-muted);font-size:14px}.auth-error{color:#fca5a5;border-radius:var(--radius-sm);text-align:center;background:#ef44441a;border:1px solid #ef444433;margin-bottom:20px;padding:12px;font-size:13px}.auth-form{flex-direction:column;gap:20px;display:flex}.input-group{flex-direction:column;gap:8px;display:flex}.input-group label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-size:12px;font-weight:600}.input-wrapper{align-items:center;display:flex;position:relative}.input-icon{color:var(--text-muted);pointer-events:none;position:absolute;left:14px}.input-wrapper input{border-radius:var(--radius-md);border:1px solid var(--border-color);width:100%;color:var(--text-main);font-family:var(--font-sans);background:#0d111c99;padding:12px 14px 12px 42px;font-size:14px;transition:all .2s}.input-wrapper input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);background:#0d111ccc;outline:none}.auth-submit-btn{margin-top:10px}.auth-footer{text-align:center;margin-top:24px}.btn-link{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:13px;transition:color .2s}.btn-link:hover{color:var(--primary);text-decoration:underline}.app-layout{background-color:var(--bg-app);width:100vw;height:100vh;display:flex}.sidebar{border-right:1px solid var(--border-color);background:var(--bg-sidebar);z-index:10;flex-direction:column;flex-shrink:0;width:280px;height:100%;display:flex}.sidebar-header{flex-direction:column;gap:16px;padding:24px;display:flex}.sidebar-title h2{font-family:var(--font-heading);color:var(--text-heading);letter-spacing:-.5px;font-size:20px;font-weight:700}.search-box{align-items:center;display:flex;position:relative}.search-icon{color:var(--text-muted);pointer-events:none;position:absolute;left:12px}.search-box input{border-radius:var(--radius-md);border:1px solid var(--border-color);width:100%;color:var(--text-main);background:#0003;padding:8px 12px 8px 36px;font-size:13px;transition:all .2s}.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-glow);outline:none}.sidebar-content{flex:1;padding:0 16px 20px;overflow-y:auto}.sidebar-content::-webkit-scrollbar{width:4px}.sidebar-content::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.section-header{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);justify-content:space-between;align-items:center;padding:12px 8px 8px;font-size:11px;font-weight:700;display:flex}.notebook-list{flex-direction:column;gap:4px;list-style:none;display:flex}.notebook-item-container{border-radius:var(--radius-md);transition:background-color .2s;overflow:hidden}.notebook-item-container.active{background:#ffffff08}.notebook-header-row{cursor:pointer;border-radius:var(--radius-md);justify-content:space-between;align-items:center;padding:10px 12px;transition:background-color .2s;display:flex}.notebook-header-row:hover{background:#ffffff0d}.notebook-left{flex:1;align-items:center;gap:8px;min-width:0;display:flex}.nb-folder-icon{flex-shrink:0}.notebook-name{color:var(--text-heading);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:550;overflow:hidden}.notebook-edit-input{border:1px solid var(--primary);border-radius:var(--radius-sm);color:var(--text-heading);background:#0000004d;outline:none;width:100%;padding:2px 6px;font-size:14px}.notebook-actions{align-items:center;gap:4px;display:flex}.hover-show{opacity:0;transition:opacity .2s}.notebook-header-row:hover .hover-show{opacity:.7}.notebook-header-row:hover .hover-show:hover{opacity:1}.pages-list{flex-direction:column;gap:2px;margin-top:2px;margin-bottom:8px;padding-left:28px;list-style:none;display:flex}.page-item{border-radius:var(--radius-sm);cursor:pointer;justify-content:space-between;align-items:center;padding:6px 12px 6px 8px;transition:all .2s;display:flex}.page-item:hover{background:#ffffff08}.page-item:hover .hover-show{opacity:.7}.page-item:hover .hover-show:hover{opacity:1}.page-item.active{background:var(--primary-glow);color:#c084fc}.page-item.active .page-title-text{color:#c084fc;font-weight:550}.page-item-content{min-width:0;color:var(--text-main);flex:1;align-items:center;gap:8px;font-size:13px;display:flex}.page-title-text{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.add-page-item{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);align-items:center;gap:8px;padding:6px 8px;font-size:12px;transition:color .2s;display:flex}.add-page-item:hover{color:var(--primary);background:#ffffff05}.add-notebook-form{border-radius:var(--radius-md);flex-direction:column;gap:10px;margin-bottom:12px;padding:12px;display:flex}.add-notebook-form input{border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-main);background:#0003;outline:none;padding:6px 8px;font-size:13px}.add-notebook-form input:focus{border-color:var(--primary)}.color-picker{flex-wrap:wrap;gap:6px;display:flex}.color-dot{cursor:pointer;border:2px solid #0000;border-radius:50%;width:18px;height:18px;transition:transform .1s}.color-dot:hover{transform:scale(1.2)}.color-dot.active{border-color:#fff}.form-actions{justify-content:flex-end;gap:6px;display:flex}.sidebar-footer{background:#00000026;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.user-profile{align-items:center;gap:10px;min-width:0;display:flex}.user-avatar{background:linear-gradient(135deg, var(--primary), #ec4899);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex;box-shadow:0 2px 10px #8b5cf633}.user-info{flex-direction:column;min-width:0;display:flex}.user-info .username{color:var(--text-heading);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.user-info .role{color:var(--text-muted);font-size:10px}.btn-logout{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;padding:6px;transition:all .2s}.btn-logout:hover{color:var(--danger);background:#ef44441a}.main-workspace{background:var(--bg-editor);flex-direction:column;flex:1;height:100%;display:flex;overflow:hidden}.workspace-empty{color:var(--text-muted);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:40px;animation:.4s ease-out fadeIn;display:flex}.empty-icon-wrapper{border:1px dashed var(--border-color);color:var(--text-muted);background:#ffffff05;border-radius:50%;margin-bottom:8px;padding:24px}.workspace-empty h3{font-family:var(--font-heading);color:var(--text-heading);font-size:18px;font-weight:600}.workspace-empty p{max-width:320px;font-size:13px;line-height:1.5}.workspace-columns{width:100%;height:100%;display:flex;overflow:hidden}.workspace-editor-col{flex-direction:column;flex:1;height:100%;display:flex;overflow:hidden}.workspace-sticky-col{background:#0d111c59;flex-direction:column;flex-shrink:0;width:360px;height:100%;display:flex}.notebook-path-bar{border-bottom:1px solid var(--border-color);background:#00000026;align-items:center;gap:8px;padding:14px 24px;font-size:12px;font-weight:500;display:flex}.path-notebook{font-weight:600}.path-page{color:var(--text-heading);white-space:nowrap;text-overflow:ellipsis;max-width:180px;overflow:hidden}.sticky-toggle-btn{color:var(--text-muted);transition:all .2s}.sticky-toggle-btn:hover{color:var(--text-heading)}.sticky-toggle-btn.btn-active{background:var(--primary-glow);color:#c084fc;border-color:#8b5cf64d}.editor-container{flex-direction:column;flex:1;display:flex;overflow:hidden}.editor-header{justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;display:flex}.editor-title-input{font-family:var(--font-heading);color:var(--text-heading);background:0 0;border:none;outline:none;flex:1;padding:4px 0;font-size:24px;font-weight:700}.editor-title-input::placeholder{color:#ffffff26}.save-status-indicator{align-items:center;display:flex}.status-item{align-items:center;gap:6px;font-size:11px;font-weight:600;display:flex}.dot{border-radius:50%;width:6px;height:6px}.pulse{animation:1.5s ease-in-out infinite pulse-glow}.dot.yellow{background:var(--warning)}.editor-toolbar{background:#0000001a;align-items:center;gap:4px;padding:8px 16px;display:flex;overflow-x:auto}.editor-toolbar::-webkit-scrollbar{height:2px}.toolbar-btn{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:6px;transition:all .15s;display:flex}.toolbar-btn:hover{color:var(--text-heading);background:#ffffff0d}.toolbar-divider{background:var(--border-color);width:1px;height:18px;margin:0 6px}.editor-canvas{flex:1;padding:24px;overflow-y:auto}.editor-canvas::-webkit-scrollbar{width:6px}.editor-canvas::-webkit-scrollbar-thumb{background:#ffffff0f;border-radius:3px}.editor-body{min-height:100%;color:var(--text-main);outline:none;padding-bottom:100px;font-size:15px;line-height:1.6}.editor-body[placeholder]:empty:before{content:attr(placeholder);color:#ffffff26;cursor:text}.editor-body h1{font-family:var(--font-heading);color:var(--text-heading);margin:16px 0 8px;font-size:20px}.editor-body h2{font-family:var(--font-heading);color:var(--text-heading);margin:14px 0 6px;font-size:18px}.editor-body ul,.editor-body ol{margin:8px 0;padding-left:20px}.editor-body blockquote{border-left:3px solid var(--primary);color:var(--text-muted);margin:12px 0;padding-left:14px;font-style:italic}.editor-body pre{border-radius:var(--radius-sm);border:1px solid var(--border-color);background:#0000004d;margin:12px 0;padding:10px 14px;font-family:monospace;font-size:13px;overflow-x:auto}.sticky-notes-container{flex-direction:column;height:100%;display:flex;overflow:hidden}.sticky-notes-header{border-bottom:1px solid var(--border-color);background:#0000001a;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.sticky-notes-header h3{font-family:var(--font-heading);color:var(--text-heading);font-size:14px;font-weight:600}.sticky-notes-canvas{background:radial-gradient(circle,#ffffff04 1px,#0000 1px) 0 0/16px 16px;flex:1;position:relative;overflow:hidden}.sticky-notes-empty{text-align:center;color:var(--text-muted);flex-direction:column;justify-content:center;gap:6px;height:100%;padding:40px 20px;font-size:12px;display:flex}.sticky-card{border-radius:var(--radius-md);z-index:5;flex-direction:column;min-width:120px;min-height:120px;padding:10px;transition:box-shadow .15s,border-color .15s;display:flex;box-shadow:0 10px 20px #00000040}.sticky-card:hover{z-index:6;box-shadow:0 12px 24px #00000059}.sticky-card-header{cursor:move;justify-content:space-between;align-items:center;height:20px;margin-bottom:6px;display:flex;position:relative}.drag-handle-icon{opacity:.4}.sticky-card-header:hover .drag-handle-icon{opacity:.8}.sticky-actions{align-items:center;gap:2px;display:flex}.btn-icon-sticky{cursor:pointer;opacity:.6;background:0 0;border:none;border-radius:4px;align-items:center;padding:2px;transition:opacity .15s,background-color .15s;display:flex}.btn-icon-sticky:hover{opacity:1;background:#0000000d}.sticky-color-picker{border-radius:var(--radius-sm);z-index:20;box-shadow:var(--shadow-lg);background:#14141ee6;gap:4px;padding:6px;display:flex;position:absolute;top:24px;right:0}.color-dot-sticky{cursor:pointer;border:1px solid #fff3;border-radius:50%;width:14px;height:14px}.color-dot-sticky:hover{transform:scale(1.2)}.sticky-card-body{resize:none;font-family:var(--font-sans);background:0 0;border:none;outline:none;flex:1;width:100%;font-size:13px;line-height:1.4}.sticky-card-body::placeholder{color:currentColor;opacity:.4}.sticky-resize-handle{cursor:se-resize;opacity:.3;justify-content:flex-end;align-items:flex-end;width:12px;height:12px;display:flex;position:absolute;bottom:4px;right:4px}.sticky-resize-handle:hover{opacity:.8}.btn{font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:13px;font-weight:600;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.btn-block{width:100%}.btn-sm{border-radius:var(--radius-sm);padding:6px 12px;font-size:12px}.btn-xs{border-radius:var(--radius-sm);padding:4px 8px;font-size:11px}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);color:#fff;box-shadow:0 4px 12px var(--primary-glow)}.btn-primary:hover:not(:disabled){box-shadow:0 6px 16px var(--primary-glow);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{border-color:var(--border-color);color:var(--text-main);background:#ffffff0d}.btn-secondary:hover:not(:disabled){background:#ffffff14}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-icon{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}.btn-icon:hover{color:var(--text-heading);background:#ffffff0d}.toast-error{color:#fecaca;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:100;background:#7f1d1d;border:1px solid #b91c1c;padding:12px 20px;font-size:13px;animation:.3s cubic-bezier(.16,1,.3,1) slideIn;position:fixed;bottom:24px;right:24px}.border-b{border-bottom:1px solid var(--border-color)}.border-t{border-top:1px solid var(--border-color)}.border-l{border-left:1px solid var(--border-color)}.border-r{border-right:1px solid var(--border-color)}.ml-auto{margin-left:auto}.text-success{color:var(--success)!important}.text-danger{color:var(--danger)!important}.text-muted{color:var(--text-muted)}.animate-spin{animation:1s linear infinite spin}.mt-4{margin-top:16px}@keyframes fadeIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse-glow{0%,to{opacity:.5}50%{opacity:1}}