:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a25;--bg-elevated: #22222f;--surface-glass: rgba(255, 255, 255, .03);--surface-glass-hover: rgba(255, 255, 255, .06);--surface-glass-active: rgba(255, 255, 255, .08);--border-subtle: rgba(255, 255, 255, .08);--border-medium: rgba(255, 255, 255, .12);--text-primary: #f5f5f7;--text-secondary: #a1a1aa;--text-tertiary: #71717a;--accent-primary: #8b5cf6;--accent-secondary: #6366f1;--accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--memory-short: #22d3ee;--memory-medium: #a78bfa;--memory-long: #f472b6;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 40px rgba(139, 92, 246, .15);--breakpoint-md: 768px;--breakpoint-lg: 1200px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--sidebar-width: 280px;--copilot-width: 340px}*,*: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:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow:hidden}.app-container{display:grid;grid-template-columns:var(--sidebar-width) 1fr var(--copilot-width);height:100vh;background:radial-gradient(ellipse at 0% 0%,rgba(139,92,246,.08) 0%,transparent 50%),radial-gradient(ellipse at 100% 100%,rgba(99,102,241,.06) 0%,transparent 50%),var(--bg-primary);transition:grid-template-columns var(--transition-normal);width:100%;overflow:hidden}@media(min-width:1201px){.app-container.sidebar-collapsed{grid-template-columns:0 1fr var(--copilot-width)}.app-container.copilot-collapsed{grid-template-columns:var(--sidebar-width) 1fr 0}.app-container.sidebar-collapsed.copilot-collapsed{grid-template-columns:0 1fr 0}}@media(min-width:768px)and (max-width:1200px){.app-container.sidebar-collapsed{grid-template-columns:0 1fr}}.sidebar{display:flex;flex-direction:column;height:100%;max-height:100vh;background:var(--surface-glass);border-right:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);overflow:hidden}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--border-subtle)}.search-container{position:relative;padding:var(--spacing-md)}.search-icon{position:absolute;left:var(--spacing-lg);top:50%;transform:translateY(-50%);color:var(--text-tertiary);pointer-events:none}.search-input{width:100%;padding:var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 40px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-size:.875rem;transition:all var(--transition-fast)}.search-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #8b5cf626}.search-input::placeholder{color:var(--text-tertiary)}.notes-list{flex:1;min-height:0;overflow-y:auto;padding:var(--spacing-sm)}.notes-list::-webkit-scrollbar{width:6px}.notes-list::-webkit-scrollbar-track{background:transparent}.notes-list::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:3px}.note-item{display:block;width:100%;text-align:left;padding:var(--spacing-md);margin-bottom:var(--spacing-xs);background:transparent;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.note-item:hover{background:var(--surface-glass-hover);border-color:var(--border-subtle)}.note-item.active{background:var(--surface-glass-active);border-color:var(--accent-primary);box-shadow:var(--shadow-glow)}.note-item-title{font-size:.9rem;font-weight:500;color:var(--text-primary);margin-bottom:var(--spacing-xs);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.note-item-preview{font-size:.8rem;color:var(--text-tertiary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:var(--spacing-xs)}.note-item-meta{display:flex;align-items:center;gap:var(--spacing-sm);font-size:.75rem}.note-item-date{color:var(--text-tertiary)}.note-item-badge{padding:2px 6px;border-radius:4px;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.note-item-badge.short{background:#22d3ee26;color:var(--memory-short)}.note-item-badge.medium{background:#a78bfa26;color:var(--memory-medium)}.note-item-badge.long{background:#f472b626;color:var(--memory-long)}.sidebar-footer{padding:var(--spacing-md);border-top:1px solid var(--border-subtle)}.btn-settings{display:flex;align-items:center;gap:var(--spacing-sm);width:100%;padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:all var(--transition-fast)}.btn-settings:hover{background:var(--surface-glass-hover);color:var(--text-primary)}.editor-panel{display:flex;flex-direction:column;background:var(--bg-secondary);position:relative;overflow:hidden;min-width:0}.editor-empty{display:flex;align-items:center;justify-content:center;height:100%}.empty-state{text-align:center;padding:var(--spacing-xl)}.empty-icon{font-size:4rem;margin-bottom:var(--spacing-lg);opacity:.6}.empty-state h2{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-sm)}.empty-state p{color:var(--text-secondary);margin-bottom:var(--spacing-lg)}.editor-content{display:flex;flex-direction:column;height:100%;padding:var(--spacing-lg);overflow:hidden;min-width:0}.editor-header{display:flex;flex-wrap:wrap;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border-subtle)}.editor-title{flex:1;min-width:0;width:100%;font-size:1.75rem;font-weight:700;background:transparent;border:none;color:var(--text-primary);outline:none}.editor-title::placeholder{color:var(--text-tertiary)}.editor-meta{display:flex;align-items:center;gap:var(--spacing-md)}.memory-badge{padding:4px 10px;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;background:#22d3ee26;color:var(--memory-short)}.memory-badge.medium{background:#a78bfa26;color:var(--memory-medium)}.memory-badge.long{background:#f472b626;color:var(--memory-long)}.editor-date{font-size:.875rem;color:var(--text-tertiary)}.editor-actions{display:flex;gap:var(--spacing-sm)}.editor-body{flex:1;width:100%;padding:var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);color:var(--text-primary);font-size:1rem;line-height:1.8;resize:none;transition:all var(--transition-fast)}.editor-body:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #8b5cf61a}.editor-body::placeholder{color:var(--text-tertiary)}.editor-footer{display:flex;align-items:center;justify-content:space-between;margin-top:var(--spacing-md)}.save-status{display:flex;align-items:center;gap:var(--spacing-sm);font-size:.875rem;color:var(--text-tertiary)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--success)}.save-status.saving .status-dot{background:var(--warning);animation:pulse 1s infinite}.save-status.ratelimit .status-dot{background:var(--danger)}.save-status.ratelimit .status-text{color:var(--danger)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.copilot-panel{display:flex;flex-direction:column;height:100%;max-height:100vh;background:var(--surface-glass);border-left:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);overflow:hidden}.copilot-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--border-subtle)}.copilot-title{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.1rem;font-weight:600}.copilot-icon{font-size:1.25rem}.memory-overview{padding:var(--spacing-md);background:var(--bg-tertiary);border-bottom:1px solid var(--border-subtle)}.memory-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-tertiary);margin-bottom:var(--spacing-sm)}.memory-stats{display:flex;gap:var(--spacing-md)}.memory-stat{flex:1;text-align:center;padding:var(--spacing-sm);background:var(--surface-glass);border-radius:var(--radius-sm)}.stat-label{display:block;font-size:.65rem;font-weight:500;text-transform:uppercase;letter-spacing:.5px;color:var(--text-tertiary);margin-bottom:2px}.stat-value{font-size:1.25rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.copilot-chat{flex:1;min-height:0;overflow-y:auto;padding:var(--spacing-md)}.copilot-chat::-webkit-scrollbar{width:6px}.copilot-chat::-webkit-scrollbar-track{background:transparent}.copilot-chat::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:3px}.chat-messages{display:flex;flex-direction:column;gap:var(--spacing-md)}.chat-message{display:flex;gap:var(--spacing-sm);animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-message.user{flex-direction:row-reverse}.message-avatar{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-tertiary);font-size:1rem;flex-shrink:0}.chat-message.user .message-avatar{background:var(--accent-gradient)}.message-content{max-width:80%;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md);font-size:.9rem;line-height:1.5}.chat-message.user .message-content{background:var(--accent-gradient);color:#fff}.message-content p{margin:0}.message-sources{margin-top:var(--spacing-sm);padding-top:var(--spacing-sm);border-top:1px solid var(--border-subtle);font-size:.8rem;color:var(--text-tertiary)}.copilot-input-container{display:flex;gap:var(--spacing-sm);padding:var(--spacing-md);background:var(--bg-tertiary);border-top:1px solid var(--border-subtle)}.copilot-input{flex:1;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9rem;resize:none;max-height:120px;transition:all var(--transition-fast)}.copilot-input:focus{outline:none;border-color:var(--accent-primary)}.copilot-input::placeholder{color:var(--text-tertiary)}.btn-send{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--accent-gradient);border:none;border-radius:var(--radius-md);color:#fff;cursor:pointer;transition:all var(--transition-fast)}.btn-send:hover{transform:scale(1.05);box-shadow:var(--shadow-glow)}.btn-send:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--surface-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.btn-icon:hover{background:var(--surface-glass-hover);color:var(--text-primary);border-color:var(--border-medium)}.btn-icon.btn-danger:hover{background:#ef444426;color:var(--danger);border-color:#ef44444d}.btn-primary{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);background:var(--accent-gradient);border:none;border-radius:var(--radius-md);color:#fff;font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow)}.btn-secondary{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--surface-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.btn-secondary:hover{background:var(--surface-glass-hover);color:var(--text-primary);border-color:var(--accent-primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;animation:fadeIn .2s ease}.modal{width:100%;max-width:480px;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--border-subtle)}.modal-header h2{font-size:1.25rem;font-weight:600}.modal-body{padding:var(--spacing-lg)}.form-group{margin-bottom:var(--spacing-lg)}.form-group:last-child{margin-bottom:0}.form-group label{display:block;font-size:.875rem;font-weight:500;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.form-hint{font-size:.8rem;color:var(--text-tertiary);margin-bottom:var(--spacing-sm)}.form-hint a{color:var(--accent-primary);text-decoration:none}.form-hint a:hover{text-decoration:underline}.form-input,.form-select{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9rem;transition:all var(--transition-fast)}.form-input:focus,.form-select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #8b5cf626}.form-select{cursor:pointer}.btn-link{background:none;border:none;color:var(--accent-primary);font-size:.8rem;cursor:pointer;padding:0;text-decoration:underline}.btn-link:hover{color:var(--text-primary)}.modal-footer{display:flex;justify-content:flex-end;gap:var(--spacing-sm);padding:var(--spacing-lg);border-top:1px solid var(--border-subtle)}.modal.modal-large{max-width:700px;max-height:85vh;display:flex;flex-direction:column}.modal.modal-large .modal-body{flex:1;overflow-y:auto;padding:var(--spacing-lg)}.memories-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.memory-stat-card{display:flex;flex-direction:column;align-items:center;padding:var(--spacing-md);background:var(--surface-glass);border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.memory-stat-card.short{border-color:var(--memory-short);background:#22d3ee1a}.memory-stat-card.medium{border-color:var(--memory-medium);background:#a78bfa1a}.memory-stat-card.long{border-color:var(--memory-long);background:#f472b61a}.memory-stat-card .stat-value{font-size:1.75rem;font-weight:700;color:var(--text-primary)}.memory-stat-card .stat-label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.memories-filter{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);flex-wrap:wrap}.filter-btn{padding:var(--spacing-xs) var(--spacing-md);background:var(--surface-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.85rem;cursor:pointer;transition:all var(--transition-fast)}.filter-btn:hover{background:var(--surface-glass-hover);color:var(--text-primary)}.filter-btn.active{background:var(--accent-gradient);color:#fff;border-color:transparent}.memories-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.memory-item{padding:var(--spacing-md);background:var(--surface-glass);border-radius:var(--radius-md);border-left:3px solid var(--border-subtle)}.memory-item.short{border-left-color:var(--memory-short)}.memory-item.medium{border-left-color:var(--memory-medium)}.memory-item.long{border-left-color:var(--memory-long)}.memory-tier-badge{display:inline-block;padding:2px 8px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-sm);margin-bottom:var(--spacing-sm)}.memory-tier-badge.short{background:#22d3ee33;color:var(--memory-short)}.memory-tier-badge.medium{background:#a78bfa33;color:var(--memory-medium)}.memory-tier-badge.long{background:#f472b633;color:var(--memory-long)}.memory-summary{color:var(--text-primary);font-size:.9rem;line-height:1.5;margin-bottom:var(--spacing-sm)}.memory-keywords{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.memory-keywords .keyword{padding:2px 8px;background:var(--bg-tertiary);border-radius:var(--radius-sm);font-size:.75rem;color:var(--text-secondary)}.empty-memories{text-align:center;padding:var(--spacing-xl);color:var(--text-tertiary)}.mobile-only{display:none}@media(max-width:768px){.mobile-only{display:flex}}.hidden{display:none!important}.main-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);border-bottom:1px solid var(--border-subtle);background:var(--surface-glass);position:relative}.header-logo{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.1rem;font-weight:600;color:var(--text-primary);background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:absolute;left:50%;transform:translate(-50%)}.header-logo .logo-icon{font-size:1.25rem;-webkit-text-fill-color:initial}.loading{position:relative;pointer-events:none}.loading:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;border-radius:inherit;display:flex;align-items:center;justify-content:center}.typing-indicator{display:flex;gap:4px;padding:var(--spacing-sm) var(--spacing-md)}.typing-indicator span{width:6px;height:6px;background:var(--text-tertiary);border-radius:50%;animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}@media(max-width:1200px){.app-container{grid-template-columns:var(--sidebar-width) 1fr}.copilot-panel{position:fixed;right:0;top:0;bottom:0;width:var(--copilot-width);transform:translate(100%);transition:transform var(--transition-normal);z-index:100}#toggleCopilotBtn.mobile-only{display:flex}.copilot-panel.open{transform:translate(0)}}@media(max-width:768px){.app-container{grid-template-columns:1fr;width:100%;max-width:100vw}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);transform:translate(-100%);transition:transform var(--transition-normal);z-index:100}.sidebar.open{transform:translate(0)}.editor-panel{width:100%;max-width:100vw}.editor-content{padding:var(--spacing-md)}.editor-header{flex-direction:column;align-items:flex-start}.editor-title{font-size:1.5rem;width:100%}.editor-body{min-width:0;width:100%}.main-header{width:100%;max-width:100vw;padding:var(--spacing-sm) var(--spacing-md)}.header-logo{position:static;transform:none;flex:1;justify-content:center}}