@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-sidebar:#f7f7f8;--bg-main:#fff;--bg-panel:#f7f7f8;--bg-elevated:#f0f0f2;--bg-elevated-hover:#e7e7ea;--bg-input:#fff;--text:#1e1e20;--text-muted:#6b6b76;--text-faint:#9a9aa4;--accent:#10a37f;--accent-hover:#0d8f6f;--accent-soft:#10a37f1a;--border:#e2e2e6;--border-soft:#ececef;--border-hover:#c8c8cd;--danger-bg:#fdecec;--danger-text:#b3261e;--danger-border:#f6cccb;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 2px #0000000f;--shadow-md:0 4px 16px #00000014;--shadow-lg:-4px 0 24px #00000014;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg-sidebar:#171717;--bg-main:#212121;--bg-panel:#1a1a1a;--bg-elevated:#2f2f2f;--bg-elevated-hover:#3a3a3a;--bg-input:#2f2f2f;--text:#ececec;--text-muted:#9b9b9b;--text-faint:#6e6e6e;--accent:#10a37f;--accent-hover:#17b78e;--accent-soft:#10a37f29;--border:#3a3a3a;--border-soft:#2d2d2d;--border-hover:#4a4a4a;--danger-bg:#3a1f1f;--danger-text:#ffb4b4;--danger-border:#5c2b2b;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 16px #00000059;--shadow-lg:-4px 0 24px #0000004d;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg-main);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif}button{cursor:pointer;font-family:inherit}button:disabled{cursor:not-allowed}*{scrollbar-width:thin;scrollbar-color:var(--border-hover) transparent}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:8px}::-webkit-scrollbar-thumb:hover{background:var(--text-faint)}.app-shell{grid-template-columns:264px 1fr auto;height:100vh;display:grid}.sidebar{background:var(--bg-sidebar);border-right:1px solid var(--border-soft);flex-direction:column;gap:4px;min-height:0;padding:16px 12px;display:flex}.sidebar-brand{color:var(--text);align-items:center;gap:8px;padding:4px 4px 16px 8px;font-size:14px;font-weight:600;display:flex}.sidebar-brand-spacer{flex:1}.theme-toggle{border-radius:var(--radius-sm);border:1px solid var(--border-soft);width:30px;height:30px;color:var(--text-muted);background:0 0;justify-content:center;align-items:center;transition:background .15s,color .15s,border-color .15s;display:flex}.theme-toggle:hover{background:var(--bg-elevated);color:var(--text);border-color:var(--border)}.auth-gate-theme-toggle{position:absolute;top:20px;right:20px}.sidebar-brand-mark{color:var(--accent);display:flex}.sidebar-new-chat{border-radius:var(--radius-sm);border:1px solid var(--border);color:var(--text);text-align:left;background:0 0;align-items:center;gap:8px;padding:10px 12px;font-size:13.5px;font-weight:500;transition:background .15s,border-color .15s;display:flex}.sidebar-new-chat:hover{background:var(--bg-elevated);border-color:var(--border-hover)}.sidebar-section-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);padding:16px 8px 6px;font-size:11px;font-weight:600}.sidebar-list{flex-direction:column;flex:1;gap:4px;display:flex;overflow-y:auto}.sidebar-empty{color:var(--text-faint);padding:8px;font-size:13px}.sidebar-item{border-radius:var(--radius-sm);color:var(--text);text-align:left;background:0 0;border:none;align-items:center;gap:9px;padding:9px 10px;font-size:13.5px;line-height:1.4;transition:background .15s,color .15s;display:flex}.sidebar-item-icon{color:var(--text-faint);flex-shrink:0;transition:color .15s}.sidebar-item-title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.sidebar-item:hover{background:var(--bg-elevated-hover)}.sidebar-item--active{background:var(--accent-soft);color:var(--text);font-weight:600}.sidebar-item--active .sidebar-item-icon{color:var(--accent)}.sidebar-logout{color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);align-items:center;gap:8px;margin-top:12px;padding:10px 12px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s,border-color .15s,color .15s;display:flex}.sidebar-logout:hover{background:var(--danger-bg);border-color:var(--danger-border);color:var(--danger-text)}.chat-column{background:var(--bg-main);flex-direction:column;min-width:0;min-height:0;display:flex}.error-banner{background:var(--danger-bg);color:var(--danger-text);border-bottom:1px solid var(--danger-border);justify-content:space-between;align-items:center;padding:12px 24px;font-size:13.5px;animation:.2s slide-down;display:flex}.error-banner button{color:inherit;opacity:.7;background:0 0;border:none;padding:2px 6px;font-size:18px;line-height:1}.error-banner button:hover{opacity:1}@keyframes slide-down{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.chat-window{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.chat-window-toolbar{justify-content:flex-end;padding:10px 24px 0;display:flex}.print-btn{background:var(--bg-elevated);border:1px solid var(--border-soft);color:var(--text-muted);border-radius:var(--radius-sm);align-items:center;gap:6px;padding:6px 12px;font-size:13px;transition:background .15s,border-color .15s,color .15s;display:flex}.print-btn:hover{background:var(--bg-elevated-hover);border-color:var(--border-hover);color:var(--text)}.empty-state{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;max-width:560px;margin:0 auto;padding:24px;display:flex}.empty-state-mark{color:var(--accent);background:var(--accent-soft);border-radius:16px;justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:20px;display:flex}.empty-state h1{margin:0 0 8px;font-size:22px;font-weight:600}.empty-state p{color:var(--text-muted);margin:0 0 28px;font-size:14.5px;line-height:1.5}.empty-state-suggestions{grid-template-columns:1fr 1fr;gap:10px;width:100%;display:grid}.suggestion-chip{background:var(--bg-elevated);border:1px solid var(--border-soft);color:var(--text);border-radius:var(--radius-md);text-align:left;padding:12px 14px;font-size:13px;line-height:1.4;transition:background .15s,border-color .15s,transform .1s}.suggestion-chip:hover{background:var(--bg-elevated-hover);border-color:var(--border-hover)}.suggestion-chip:active{transform:scale(.98)}.message-list{flex-direction:column;flex:1;gap:22px;padding:28px 24px;display:flex;overflow-y:auto}.message-row{align-items:flex-start;gap:12px;width:100%;max-width:760px;margin:0 auto;display:flex}.message-row--user{justify-content:flex-end}.avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:600;display:flex}.avatar--assistant{background:var(--accent-soft);color:var(--accent)}.avatar--user{background:var(--bg-elevated);color:var(--text-muted);border:1px solid var(--border-soft)}.message-bubble{min-width:0;max-width:calc(100% - 40px)}.message-bubble--user .message-bubble-content{background:var(--bg-elevated);border-radius:var(--radius-lg);border-bottom-right-radius:4px;width:fit-content;margin-left:auto;padding:11px 16px}.message-bubble--assistant{width:100%}.message-bubble--assistant .message-bubble-content{padding:2px 0}.message-bubble-content p{margin:0 0 10px;font-size:14.5px;line-height:1.65}.message-bubble-content p:last-child{margin-bottom:0}.message-bubble-content ul,.message-bubble-content ol{padding-left:22px;font-size:14.5px;line-height:1.6}.message-bubble-content h1,.message-bubble-content h2,.message-bubble-content h3{margin:18px 0 8px;font-size:16px}.message-bubble-content code{background:var(--bg-elevated);border-radius:4px;padding:2px 6px;font-size:13px}.message-bubble-content table{border-collapse:collapse;border-radius:var(--radius-sm);border:1px solid var(--border-soft);width:100%;margin:10px 0;font-size:13.5px;overflow:hidden}.message-bubble-content th,.message-bubble-content td{border-bottom:1px solid var(--border-soft);text-align:left;padding:8px 12px}.message-bubble-content th{background:var(--bg-elevated);color:var(--text-muted);text-transform:uppercase;letter-spacing:.02em;font-size:12.5px;font-weight:600}.message-bubble-content tr:last-child td{border-bottom:none}.typing-indicator{gap:4px;padding:8px 0;display:flex}.typing-indicator span{background:var(--text-faint);border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite typing-bounce}.typing-indicator span:nth-child(2){animation-delay:.15s}.typing-indicator span:nth-child(3){animation-delay:.3s}@keyframes typing-bounce{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.message-artifact-chips{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.artifact-chip{background:var(--bg-elevated);border:1px solid var(--border-soft);color:var(--text);cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:7px 14px;font-size:12.5px;font-weight:500;transition:background .15s,border-color .15s;display:inline-flex}.artifact-chip:hover{background:var(--bg-elevated-hover);border-color:var(--border-hover)}.artifact-chip-icon{color:var(--accent);display:flex}.input-box-wrap{width:100%;max-width:760px;margin:0 auto;padding:0 24px 20px}.input-box{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-lg);align-items:flex-end;gap:8px;padding:10px 10px 10px 18px;transition:border-color .15s,box-shadow .15s;display:flex}.input-box:focus-within{border-color:var(--border-hover);box-shadow:0 0 0 3px #10a37f1f}.input-box textarea{color:var(--text);resize:none;background:0 0;border:none;outline:none;flex:1;max-height:200px;padding:6px 0;font-family:inherit;font-size:14.5px;line-height:1.5}.input-box textarea::placeholder{color:var(--text-faint)}.input-send-btn{background:var(--accent);color:#fff;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;transition:background .15s,transform .1s;display:flex}.input-send-btn:hover:not(:disabled){background:var(--accent-hover)}.input-send-btn:active:not(:disabled){transform:scale(.94)}.input-send-btn:disabled{background:var(--bg-elevated);color:var(--text-faint)}.input-box-hint{text-align:center;color:var(--text-faint);margin-top:8px;font-size:11.5px}.artifact-panel{border-left:1px solid var(--border-soft);background:var(--bg-panel);width:440px;box-shadow:var(--shadow-lg);flex-direction:column;min-height:0;animation:.2s slide-in-right;display:flex}.artifact-panel--fullscreen{z-index:60;border-left:none;width:100%;animation:.15s fade-in-scale;position:fixed;inset:0}.artifact-panel--fullscreen .artifact-panel-body{flex-direction:column;width:100%;max-width:1100px;margin:0 auto;padding:20px 24px 24px;display:flex;overflow:hidden}.artifact-panel--fullscreen .artifact-chart{flex-direction:column;flex:1;min-height:0;display:flex}.artifact-panel--fullscreen .artifact-chart>div{flex:1;min-height:0}.artifact-panel--fullscreen .artifact-document{flex:1;min-height:0;overflow-y:auto}@keyframes slide-in-right{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}@keyframes fade-in-scale{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.artifact-panel-header{border-bottom:1px solid var(--border-soft);justify-content:space-between;align-items:center;padding:16px 18px;font-size:13.5px;font-weight:600;display:flex}.artifact-panel-header-actions{align-items:center;gap:4px;display:flex}.artifact-panel-close,.artifact-download-icon-btn{color:var(--text-muted);border-radius:var(--radius-sm);background:0 0;border:none;justify-content:center;align-items:center;width:28px;height:28px;transition:background .15s,color .15s;display:flex}.artifact-panel-close:hover,.artifact-download-icon-btn:hover:not(:disabled){background:var(--bg-elevated);color:var(--text)}.artifact-download-icon-btn:disabled{opacity:.4;cursor:default}.artifact-panel-body{flex:1;padding:20px;overflow-y:auto}.artifact-loading{color:var(--text-muted);text-align:center;padding:40px 24px;font-size:13.5px}.artifact-chart{border:1px solid var(--border);border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-sm);background:#fff;padding:16px 12px 12px;animation:.25s fade-in-scale}.artifact-chart>div{width:100%}.artifact-document{background:var(--bg-elevated);border:1px solid var(--border-soft);border-radius:var(--radius-md);text-align:center;padding:28px 20px;animation:.2s fade-in-scale}.artifact-document--with-preview{padding-top:16px}.artifact-document-preview{border:1px solid var(--border-soft);border-radius:var(--radius-sm);background:#fff;width:100%;height:min(70vh,720px);margin-bottom:16px}.artifact-document-icon{color:var(--accent);background:var(--accent-soft);border-radius:14px;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 16px;display:flex}.artifact-document-title{margin-bottom:4px;font-size:14.5px;font-weight:600}.artifact-document-subtitle{color:var(--text-muted);margin-bottom:20px;font-size:12.5px}.artifact-download-btn{background:var(--accent);color:#fff;border-radius:var(--radius-sm);align-items:center;gap:8px;padding:10px 18px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s;display:inline-flex}.artifact-download-btn:hover{background:var(--accent-hover)}.auth-gate{background:var(--bg-main);justify-content:center;align-items:center;height:100vh;display:flex;position:relative}.auth-gate-card{text-align:center;max-width:380px;padding:40px}.auth-gate-card h1{margin:0 0 12px;font-size:22px}.auth-gate-card p{color:var(--text-muted);margin:0 0 24px;font-size:14px;line-height:1.6}.auth-gate-error{background:var(--danger-bg);border:1px solid var(--danger-border);border-radius:var(--radius-sm);padding:10px 14px;color:var(--danger-text)!important;margin:0 0 20px!important}.auth-gate-login-btn{background:var(--accent);color:#fff;border-radius:var(--radius-sm);justify-content:center;align-items:center;padding:11px 26px;font-size:14px;font-weight:500;text-decoration:none;transition:background .15s,transform .1s;display:inline-flex}.auth-gate-login-btn:hover{background:var(--accent-hover)}.print-transcript{visibility:hidden;width:680px;position:fixed;top:0;left:-10000px}@media print{.app-shell{display:none!important}.print-transcript{visibility:visible;color:#000;background:#fff;width:auto;font-size:12px;line-height:1.5;position:static;left:auto}.print-transcript-header{border-bottom:1px solid #ccc;align-items:center;gap:8px;margin-bottom:20px;padding-bottom:10px;font-size:14px;font-weight:600;display:flex}.print-message{margin-bottom:18px}.print-message-role{text-transform:uppercase;letter-spacing:.04em;color:#555;margin-bottom:4px;font-size:11px;font-weight:600}.print-message-text table{border-collapse:collapse;page-break-inside:avoid;width:100%}.print-message-text th,.print-message-text td{text-align:left;border:1px solid #ccc;padding:4px 8px}.print-message .artifact-chart{page-break-inside:avoid;-webkit-print-color-adjust:exact;print-color-adjust:exact;width:100%;max-width:680px;margin:8px 0}.print-document{color:#333;margin:6px 0;font-size:11px}}.auth-gate-login-btn:active{transform:scale(.97)}