:root{--color-slate-50: #f8fafc;--color-slate-100: #f1f5f9;--color-slate-200: #e2e8f0;--color-slate-300: #cbd5e1;--color-slate-400: #94a3b8;--color-slate-500: #64748b;--color-slate-600: #475569;--color-slate-700: #334155;--color-slate-800: #1e293b;--color-slate-900: #0f172a;--color-slate-950: #020617;--color-primary-50: #eff6ff;--color-primary-100: #dbeafe;--color-primary-500: #3b82f6;--color-primary-600: #2563eb;--color-primary-700: #1d4ed8;--bg-app: var(--color-slate-50);--bg-sidebar: var(--color-slate-900);--bg-card: #ffffff;--bg-hover: var(--color-slate-100);--text-primary: var(--color-slate-900);--text-secondary: var(--color-slate-500);--text-inverse: #ffffff;--border-color: var(--color-slate-200);--input-bg: #ffffff;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1)}.dark{--bg-app: var(--color-slate-950);--bg-sidebar: var(--color-slate-900);--bg-card: var(--color-slate-900);--bg-hover: var(--color-slate-800);--text-primary: var(--color-slate-100);--text-secondary: var(--color-slate-400);--border-color: var(--color-slate-800);--input-bg: var(--color-slate-950)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-app);color:var(--text-primary);-webkit-font-smoothing:antialiased}.appLayout{display:flex;height:100vh;width:100vw;overflow:hidden}.sidebar{width:260px;background-color:var(--bg-sidebar);color:var(--text-inverse);display:flex;flex-direction:column;border-right:1px solid var(--border-color);transition:transform .3s ease}.sidebarContent{flex:1;display:flex;flex-direction:column;padding:1rem;gap:1.5rem;overflow-y:auto}.mainContent{flex:1;display:flex;flex-direction:column;background-color:var(--bg-app);position:relative;overflow:hidden}.sidebarTop{margin-bottom:.5rem}.sidebarSectionTitle{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-slate-400);margin-bottom:.5rem;font-weight:600}.chatList{display:flex;flex-direction:column;gap:.25rem}.chatItem{display:flex;align-items:center;gap:.75rem;padding:.5rem .75rem;border-radius:var(--radius-md);cursor:pointer;transition:background .2s;color:var(--color-slate-300);font-size:.875rem}.chatItem:hover{background-color:#ffffff1a;color:var(--text-inverse)}.chatItem.active{background-color:var(--color-slate-800);color:var(--text-inverse)}.chatItemTitle{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chatItemAction{opacity:0;background:none;border:none;color:var(--color-slate-400);cursor:pointer;padding:2px}.chatItem:hover .chatItemAction{opacity:1}.chatItemAction:hover{color:var(--color-primary-500)}.sidebarFooter{padding:1rem;border-top:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:.75rem}.userAvatar{width:32px;height:32px;background-color:var(--color-primary-600);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}.userInfo{flex:1;min-width:0}.userName{font-size:.875rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.userStatus{font-size:.75rem;color:var(--color-slate-400)}.chatInterface{display:flex;flex-direction:column;height:100%}.chatMessagesList{flex:1;overflow-y:auto;padding:2rem;display:flex;flex-direction:column;gap:1.5rem}.message{display:flex;gap:1rem;max-width:48rem;margin:0 auto;width:100%}.message.user{flex-direction:row-reverse}.messageAvatar{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:600;flex-shrink:0}.messageAvatar.user{background-color:var(--color-primary-600);color:#fff}.messageAvatar.assistant{background-color:var(--color-slate-200);color:var(--color-slate-700)}.messageContent{flex:1;min-width:0}.messageBubble{font-size:1rem;line-height:1.6}.message.user .messageBubble{background-color:var(--color-primary-50);padding:.75rem 1rem;border-radius:var(--radius-lg);border-top-right-radius:0;color:var(--color-slate-900)}.messageBubble pre{background-color:var(--color-slate-900);color:var(--color-slate-100);padding:1rem;border-radius:var(--radius-md);overflow-x:auto;margin:1rem 0;font-size:.875rem}.messageBubble code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.messageBubble :not(pre)>code{background-color:var(--color-slate-100);padding:.125rem .25rem;border-radius:.25rem;font-size:.875em;color:var(--color-primary-700)}.chatInputContainer{padding:1.5rem 2rem;background-color:var(--bg-app);border-top:1px solid var(--border-color)}.chatInputWrapper{max-width:48rem;margin:0 auto;position:relative;border:1px solid var(--border-color);border-radius:var(--radius-lg);background-color:var(--input-bg);box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s;display:flex;align-items:flex-end;padding:.5rem}.chatInputWrapper:focus-within{border-color:var(--color-primary-500);box-shadow:0 0 0 2px var(--color-primary-100)}.chatTextarea{flex:1;border:none;background:transparent;padding:.75rem;font-size:1rem;resize:none;max-height:200px;outline:none;font-family:inherit;line-height:1.5}.sendBtn{margin-bottom:.25rem}.inputFooter{text-align:center;font-size:.75rem;color:var(--text-secondary);margin-top:.5rem}.editorLayout{display:flex;height:100%}.editorSidebar{width:240px;border-right:1px solid var(--border-color);background-color:var(--bg-card);display:flex;flex-direction:column}.editorMain{flex:1;display:flex;flex-direction:column;background-color:var(--bg-app)}.fileTree{flex:1;overflow-y:auto;padding:.5rem}.fileItem{display:flex;align-items:center;padding:.375rem .5rem;font-size:.875rem;cursor:pointer;border-radius:var(--radius-sm);color:var(--text-secondary)}.fileItem:hover{background-color:var(--bg-hover);color:var(--text-primary)}.fileItem.active{background-color:var(--color-primary-50);color:var(--color-primary-700);font-weight:500}.codeEditor{display:flex;flex-direction:column;height:100%}.editorHeader{height:48px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 1rem;background-color:var(--bg-card)}.editorTitle{font-family:monospace;font-size:.875rem;color:var(--text-secondary)}.editorBody{flex:1;position:relative}.editorTextarea{width:100%;height:100%;border:none;resize:none;padding:1rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.875rem;line-height:1.5;outline:none;background-color:var(--bg-app);color:var(--text-primary)}.editorEmpty{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);font-size:.875rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border-radius:var(--radius-md);font-weight:500;transition:all .2s;border:1px solid transparent;cursor:pointer;font-size:.875rem}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--color-primary-600);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-700)}.btn-secondary{background-color:var(--bg-card);border-color:var(--border-color);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background-color:var(--bg-hover)}.btn-ghost{background-color:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){background-color:#ffffff1a;color:var(--text-primary)}.btn-sm{padding:.375rem .75rem;font-size:.75rem}.btn-md{padding:.5rem 1rem}.btn-icon{padding:.5rem}.btn-full{width:100%}.input,.select{display:block;width:100%;padding:.5rem .75rem;font-size:.875rem;border:1px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--input-bg);color:var(--text-primary);transition:border-color .2s}.input:focus,.select:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 2px var(--color-primary-100)}.field{margin-bottom:1rem}.fieldLabel{display:block;font-size:.75rem;font-weight:500;color:var(--text-secondary);margin-bottom:.25rem}.modalOverlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:50;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background-color:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;max-width:32rem;border:1px solid var(--border-color);overflow:hidden}.modalHeader{padding:1rem 1.5rem;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.modalTitle{font-weight:600;font-size:1.125rem;margin:0}.modalBody{padding:1.5rem}.modalFooter{padding:1rem 1.5rem;background-color:var(--bg-hover);border-top:1px solid var(--border-color)}.mobileHeader{display:none;height:56px;align-items:center;padding:0 1rem;border-bottom:1px solid var(--border-color);background-color:var(--bg-card);position:absolute;top:0;left:0;right:0;z-index:10}.mobileBrand{font-weight:600;margin-left:1rem}.mobileClose{display:none;position:absolute;top:.5rem;right:.5rem;background:none;border:none;color:var(--text-inverse);font-size:1.5rem;cursor:pointer}.messageBubble.thinking{display:flex;gap:4px;padding:.75rem 1rem}.dot{width:6px;height:6px;background-color:var(--color-slate-400);border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.dot:nth-child(1){animation-delay:-.32s}.dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@media(max-width:768px){.appLayout{flex-direction:column}.sidebar{position:fixed;top:0;right:0;bottom:0;left:0;width:80%;z-index:40;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.mobileOverlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:30}.mobileHeader{display:flex}.mobileClose{display:block}.mainContent{margin-top:56px}}.viewTabs{display:flex;justify-content:center;border-bottom:1px solid var(--border-color);background-color:var(--bg-card)}.viewTab{padding:.75rem 2rem;border:none;background:none;font-weight:500;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent}.viewTab.active{color:var(--color-primary-600);border-bottom-color:var(--color-primary-600)}.viewContent{flex:1;overflow:hidden;position:relative;display:flex;flex-direction:column}