.loading-spinner{display:inline-flex;align-items:center;justify-content:center}.loading-spinner__circle{border-radius:50%;border:2px solid var(--border-default);border-top-color:var(--primary);animation:spin .8s linear infinite}.loading-spinner--sm .loading-spinner__circle{width:16px;height:16px}.loading-spinner--md .loading-spinner__circle{width:24px;height:24px;border-width:3px}.loading-spinner--lg .loading-spinner__circle{width:40px;height:40px;border-width:4px}.loading-spinner__fullscreen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background-color:var(--bg-base);z-index:9999}@keyframes spin{to{transform:rotate(360deg)}}.rte-container{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:var(--bg-tertiary);overflow:hidden;transition:all .15s}.rte-container:focus-within{border-color:var(--primary);background:var(--bg-primary);box-shadow:0 0 0 3px #d977571a}.rte-toolbar{display:flex;align-items:center;gap:var(--spacing-1);padding:var(--spacing-2);background:var(--bg-elevated);border-bottom:1px solid var(--border-subtle);flex-wrap:wrap}.rte-toolbar-group{display:flex;gap:2px}.rte-toolbar-divider{width:1px;height:20px;background:var(--border-subtle);margin:0 var(--spacing-1)}.rte-toolbar-spacer{flex:1}.rte-toolbar-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all .15s}.rte-toolbar-btn:hover:not(:disabled){background:var(--bg-secondary);color:var(--text-primary)}.rte-toolbar-btn.active{background:var(--primary-muted);color:var(--primary)}.rte-toolbar-btn:disabled{opacity:.4;cursor:not-allowed}.rte-content{padding:var(--spacing-3)}.rte-content .tiptap{outline:none;color:var(--text-primary);font-size:var(--text-sm);line-height:1.6}.rte-content .tiptap p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;color:var(--text-muted);pointer-events:none;height:0}.rte-content .tiptap h2{font-size:var(--text-lg);font-weight:600;margin:var(--spacing-3) 0 var(--spacing-2) 0;color:var(--text-primary)}.rte-content .tiptap h3{font-size:var(--text-base);font-weight:600;margin:var(--spacing-2) 0 var(--spacing-1) 0;color:var(--text-primary)}.rte-content .tiptap p{margin:0 0 var(--spacing-2) 0}.rte-content .tiptap p:last-child{margin-bottom:0}.rte-content .tiptap ul,.rte-content .tiptap ol{padding-left:var(--spacing-5);margin:var(--spacing-2) 0}.rte-content .tiptap li{margin-bottom:var(--spacing-1)}.rte-content .tiptap ul{list-style:disc}.rte-content .tiptap ol{list-style:decimal}.rte-content .tiptap blockquote{border-left:3px solid var(--primary);padding-left:var(--spacing-4);margin:var(--spacing-3) 0;color:var(--text-secondary);font-style:italic}.rte-content .tiptap code{font-family:SF Mono,Fira Code,monospace;background:var(--bg-secondary);padding:2px 6px;border-radius:var(--radius-sm);font-size:.9em;color:var(--primary)}.rte-content .tiptap pre{background:var(--bg-secondary);padding:var(--spacing-3);border-radius:var(--radius-md);overflow-x:auto;margin:var(--spacing-3) 0}.rte-content .tiptap pre code{background:transparent;padding:0}.rte-content .tiptap strong{font-weight:600}.rte-content .tiptap em{font-style:italic}.rte-content .tiptap u{text-decoration:underline}.rte-readonly{color:var(--text-secondary);font-size:var(--text-sm);line-height:1.6}.rte-readonly .tiptap{outline:none}.rte-display{color:var(--text-secondary);font-size:var(--text-sm);line-height:1.6}.rte-display h2{font-size:var(--text-lg);font-weight:600;margin:var(--spacing-3) 0 var(--spacing-2) 0;color:var(--text-primary)}.rte-display h3{font-size:var(--text-base);font-weight:600;margin:var(--spacing-2) 0 var(--spacing-1) 0;color:var(--text-primary)}.rte-display p{margin:0 0 var(--spacing-2) 0}.rte-display p:last-child{margin-bottom:0}.rte-display ul,.rte-display ol{padding-left:var(--spacing-5);margin:var(--spacing-2) 0}.rte-display li{margin-bottom:var(--spacing-1)}.rte-display ul{list-style:disc}.rte-display ol{list-style:decimal}.rte-display blockquote{border-left:3px solid var(--primary);padding-left:var(--spacing-4);margin:var(--spacing-3) 0;color:var(--text-muted);font-style:italic}.rte-display code{font-family:SF Mono,Fira Code,monospace;background:var(--bg-tertiary);padding:2px 6px;border-radius:var(--radius-sm);font-size:.9em;color:var(--primary)}.rte-display strong{font-weight:600;color:var(--text-primary)}.rte-display em{font-style:italic}.rte-display u{text-decoration:underline}.global-progress-bar{position:fixed;top:0;left:0;right:0;height:3px;background:#d9775726;z-index:9999;overflow:hidden}.progress-indicator{height:100%;width:40%;background:linear-gradient(90deg,transparent,var(--primary),var(--primary-hover),var(--primary),transparent);border-radius:0 2px 2px 0;animation:progressSlide 1.2s ease-in-out infinite}@keyframes progressSlide{0%{transform:translate(-100%)}50%{transform:translate(150%)}to{transform:translate(350%)}}.global-progress-bar:after{content:"";position:absolute;top:0;left:0;right:0;height:100%;background:linear-gradient(90deg,transparent,rgba(217,119,87,.3),transparent);animation:progressGlow 1.2s ease-in-out infinite}@keyframes progressGlow{0%{opacity:0;transform:translate(-100%)}50%{opacity:1;transform:translate(100%)}to{opacity:0;transform:translate(300%)}}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background-color:var(--bg-secondary);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;z-index:100;transition:width var(--transition-normal)}.sidebar--collapsed{width:var(--sidebar-collapsed-width)}.sidebar__header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-4);border-bottom:1px solid var(--border-subtle);min-height:64px}.sidebar__logo{display:flex;align-items:center;gap:var(--spacing-3);overflow:hidden}.sidebar__logo-icon{font-size:24px;flex-shrink:0}.sidebar__logo-text{font-size:var(--text-lg);font-weight:600;color:var(--text-primary);white-space:nowrap}.sidebar__toggle{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;background:var(--bg-tertiary);color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);flex-shrink:0}.sidebar__toggle:hover{background:var(--bg-elevated);color:var(--text-primary)}.sidebar--collapsed .sidebar__toggle{margin-left:auto;margin-right:auto}.sidebar__nav{flex:1;padding:var(--spacing-3);overflow-y:auto}.sidebar__nav-list{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-1)}.sidebar__nav-link{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-3);color:var(--text-secondary);border-radius:var(--radius-md);transition:all var(--transition-fast);text-decoration:none}.sidebar__nav-link:hover{background:var(--bg-tertiary);color:var(--text-primary)}.sidebar__nav-link--active,.sidebar__nav-link--active:hover{background:var(--primary-muted);color:var(--primary)}.sidebar__nav-icon{flex-shrink:0}.sidebar__nav-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar--collapsed .sidebar__nav-link{justify-content:center;padding:var(--spacing-3)}.sidebar__footer{padding:var(--spacing-3);border-top:1px solid var(--border-subtle)}.sidebar__settings{position:relative}.sidebar__settings-menu{position:absolute;left:0;right:0;bottom:100%;background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:var(--spacing-3);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity var(--transition-fast),transform var(--transition-fast),visibility var(--transition-fast);pointer-events:none;z-index:2}.sidebar__settings:hover .sidebar__settings-menu,.sidebar__settings:focus-within .sidebar__settings-menu,.sidebar__settings-menu:hover,.sidebar__settings-menu:focus-within{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}.sidebar__settings-info{display:flex;flex-direction:column;gap:var(--spacing-1);-webkit-user-select:text;user-select:text}.sidebar__settings-name{font-weight:600;color:var(--text-primary)}.sidebar__settings-email{font-size:var(--text-sm);color:var(--text-secondary);word-break:break-word}.sidebar__settings-meta{margin-top:var(--spacing-1);display:flex;align-items:center;gap:var(--spacing-2)}.sidebar__settings-role{font-size:var(--text-xs);color:var(--text-primary);background:var(--bg-tertiary);padding:2px 8px;border-radius:var(--radius-full)}.sidebar__settings-ids{margin-top:var(--spacing-2);display:flex;flex-direction:column;gap:2px}.sidebar__settings-id{font-size:var(--text-xs);color:var(--text-muted);word-break:break-all}.sidebar__settings-logout{margin-top:var(--spacing-3);width:100%;border:none;background:var(--bg-tertiary);color:var(--text-primary);border-radius:var(--radius-md);padding:var(--spacing-2) var(--spacing-3);cursor:pointer;transition:all var(--transition-fast);text-align:left}.sidebar__settings-logout:hover{background:var(--bg-elevated)}.topbar{position:fixed;top:0;right:0;left:var(--sidebar-collapsed-width);height:64px;background-color:transparent;border-bottom:none;display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-6);z-index:99;transition:left var(--transition-normal)}.topbar__left{display:flex;align-items:center}.topbar__context{display:flex;align-items:center;gap:var(--spacing-2)}.topbar__context-label{color:var(--text-muted);font-size:var(--text-sm)}.topbar__context-value{color:var(--text-primary);font-weight:500}.topbar__center{flex:1;max-width:480px;margin:0 var(--spacing-6)}.topbar__search{position:relative;display:flex;align-items:center}.topbar__search-icon{position:absolute;left:var(--spacing-3);color:var(--text-muted);pointer-events:none}.topbar__search-input{width:100%;height:40px;padding:0 var(--spacing-10) 0 var(--spacing-10);background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);color:var(--text-primary);font-size:var(--text-sm);transition:all var(--transition-fast)}.topbar__search-input::placeholder{color:var(--text-muted)}.topbar__search-input:focus{outline:none;border-color:var(--primary);background:var(--bg-secondary)}.topbar__search-kbd{position:absolute;right:var(--spacing-3);padding:2px 6px;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-sm);color:var(--text-muted);font-size:var(--text-xs);font-family:var(--font-sans)}.topbar__right{display:flex;align-items:center;gap:var(--spacing-2)}.topbar__icon-btn{position:relative;display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.topbar__icon-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.topbar__badge{position:absolute;top:6px;right:6px;min-width:16px;height:16px;padding:0 4px;background:var(--primary);border-radius:var(--radius-full);color:#fff;font-size:10px;font-weight:600;display:flex;align-items:center;justify-content:center}.topbar__user-btn{display:flex;align-items:center;gap:var(--spacing-2);padding:var(--spacing-2) var(--spacing-3);background:transparent;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);margin-left:var(--spacing-2)}.topbar__user-btn:hover{background:var(--bg-tertiary);border-color:var(--border-default)}.topbar__user-avatar{width:28px;height:28px;background:var(--primary-muted);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:var(--primary)}.topbar__user-name{font-size:var(--text-sm);font-weight:500}.root-layout{min-height:100vh}.main-wrapper{margin-left:var(--sidebar-collapsed-width);min-height:100vh;transition:margin-left var(--transition-normal)}.main-content{padding-top:64px;min-height:100vh}.main-content__inner{padding:var(--spacing-6);max-width:1600px;margin:0 auto}html.no-page-scroll,body.no-page-scroll{height:100%;overflow:hidden}body.no-page-scroll #root{height:100%}body.no-page-scroll .root-layout,body.no-page-scroll .main-wrapper,body.no-page-scroll .main-content{height:100%;min-height:0}body.no-page-scroll .main-content{overflow:hidden}body.no-page-scroll .main-content__inner{height:100%;min-height:0;display:flex;flex-direction:column}@media(max-width:1024px){.sidebar:not(.sidebar--collapsed){position:fixed;z-index:200;box-shadow:var(--shadow-xl)}}@media(max-width:768px){.main-wrapper{margin-left:0}.topbar{left:0}}:root{--primary: #D97757;--primary-hover: #C66A4B;--primary-active: #B55E42;--primary-light: #FDEEE9;--primary-muted: rgba(217, 119, 87, .15);--bg-base: #0f0f0f;--bg-primary: #1a1a1a;--bg-secondary: #242424;--bg-tertiary: #2d2d2d;--bg-elevated: #363636;--grid-color: rgba(255, 255, 255, .03);--grid-size: 40px;--text-primary: #f5f5f5;--text-secondary: #a0a0a0;--text-muted: #666666;--text-inverse: #1a1a1a;--border-subtle: rgba(255, 255, 255, .06);--border-default: rgba(255, 255, 255, .1);--border-hover: rgba(255, 255, 255, .15);--bubble-human: var(--primary);--bubble-human-text: #ffffff;--bubble-ai: var(--bg-tertiary);--bubble-ai-text: var(--text-primary);--bubble-ai-border: var(--border-subtle);--status-success: #4CAF50;--status-warning: #FFC107;--status-error: #F44336;--status-info: #2196F3;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .4);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .5);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--spacing-1: 4px;--spacing-2: 8px;--spacing-3: 12px;--spacing-4: 16px;--spacing-5: 20px;--spacing-6: 24px;--spacing-8: 32px;--spacing-10: 40px;--spacing-12: 48px;--sidebar-width: 260px;--sidebar-collapsed-width: 72px;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem}[data-theme=light]{--bg-base: #faf9f6;--bg-primary: #ffffff;--bg-secondary: #f5f4f1;--bg-tertiary: #eae8e4;--bg-elevated: #ffffff;--grid-color: rgba(0, 0, 0, .04);--text-primary: #1a1a1a;--text-secondary: #6b6b6b;--text-muted: #999999;--text-inverse: #ffffff;--border-subtle: rgba(0, 0, 0, .06);--border-default: rgba(0, 0, 0, .1);--border-hover: rgba(0, 0, 0, .15);--bubble-ai: #f5f4f1;--bubble-ai-text: var(--text-primary);--bubble-ai-border: var(--border-default);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .15)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.6;color:var(--text-primary);background-color:var(--bg-base);min-height:100vh}.paper-grid{background-color:var(--bg-primary);background-image:linear-gradient(var(--grid-color) 1px,transparent 1px),linear-gradient(90deg,var(--grid-color) 1px,transparent 1px);background-size:var(--grid-size) var(--grid-size)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--text-primary)}h1{font-size:var(--text-3xl)}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}h4{font-size:var(--text-lg)}p{color:var(--text-secondary)}a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-hover)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}::selection{background:var(--primary-muted);color:var(--text-primary)}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-accent{color:var(--primary)}.bg-base{background-color:var(--bg-base)}.bg-primary{background-color:var(--bg-primary)}.bg-secondary{background-color:var(--bg-secondary)}.bg-tertiary{background-color:var(--bg-tertiary)}.rounded-sm{border-radius:var(--radius-sm)}.rounded-md{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.rounded-xl{border-radius:var(--radius-xl)}.rounded-full{border-radius:var(--radius-full)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideInUp{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade-in{animation:fadeIn var(--transition-normal)}.animate-slide-in-right{animation:slideInRight var(--transition-normal)}.animate-slide-in-up{animation:slideInUp var(--transition-normal)}.animate-pulse{animation:pulse 2s infinite}