@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg-primary:#fafafa;--bg-secondary:#f4f4f6;--bg-tertiary:#ebebee;--bg-input:#fff;--bg-code:#f4f4f6;--text-primary:#111118;--text-secondary:#3f3f50;--text-muted:#8b8ba7;--border-primary:#e2e2ea;--border-subtle:#ebebee;--brand:#6366f1;--brand-hover:#4f52e0;--brand-glow:#6366f126;--user-msg-bg:#f0f0f8;--scrollbar-thumb:#d4d4df;--empty-icon-color:#d4d4df;--source-bg:#f5f5ff;--source-border:#dcdcf8;--source-hover-bg:#eef;--source-color:#4f52e0;--source-domain-color:#8b8bc8;--usage-color:#a5a5c0;--related-bg:#f5f5ff;--related-border:#dcdcf8;--related-hover:#eef;--related-color:#4f52e0;--chip-disabled:#c0c0d8;--shadow-sm:0 1px 4px #0000000f, 0 2px 12px #0000000a;--shadow-md:0 4px 24px #00000014, 0 1px 4px #0000000a;--shadow-input-focus:0 0 0 3px #6366f12e, 0 2px 12px #6366f11a}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}[data-theme=dark]{--bg-primary:#0d0d13;--bg-secondary:#13131e;--bg-tertiary:#1e1e2e;--bg-input:#16161f;--bg-code:#0f0f18;--text-primary:#eeeef5;--text-secondary:#a8a8c0;--text-muted:#606080;--border-primary:#2a2a3d;--border-subtle:#1e1e2e;--brand:#818cf8;--brand-hover:#6366f1;--brand-glow:#818cf82e;--user-msg-bg:#14141e;--scrollbar-thumb:#2e2e45;--empty-icon-color:#1e1e30;--source-bg:#10101e;--source-border:#25253a;--source-hover-bg:#18182a;--source-color:#818cf8;--source-domain-color:#4a4a70;--usage-color:#3a3a55;--related-bg:#10101e;--related-border:#25253a;--related-hover:#18182a;--related-color:#818cf8;--chip-disabled:#3a3a55;--shadow-sm:0 1px 4px #0000004d, 0 2px 12px #0003;--shadow-md:0 8px 40px #0006, 0 2px 8px #0000004d;--shadow-input-focus:0 0 0 3px #818cf833, 0 2px 16px #818cf81a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{height:100%}body{background:var(--bg-primary);height:100%;color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.6;transition:background .2s,color .2s}#root{height:100%}.app-shell{flex-direction:column;height:100%;display:flex}.chat-column{flex-direction:column;width:100%;height:100%;display:flex;overflow:hidden}.chat-header{border-bottom:1px solid var(--border-subtle);background:color-mix(in srgb, var(--bg-primary) 85%, transparent);-webkit-backdrop-filter:blur(16px);z-index:10;flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:.75rem;min-height:56px;padding:0 1.25rem;display:flex;position:relative}.header-left{color:var(--brand);filter:drop-shadow(0 0 6px var(--brand-glow));align-items:center;gap:.6rem;display:flex}.header-left h1{letter-spacing:-.02em;background:linear-gradient(135deg, var(--brand) 0%, color-mix(in srgb, var(--brand) 70%, var(--text-primary)) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:.95rem;font-weight:700}.header-actions{border-left:1px solid var(--border-subtle);align-items:center;gap:.25rem;padding-left:.5rem;display:flex}.btn-icon{width:32px;height:32px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;text-decoration:none;transition:background .15s,color .15s;display:flex}.btn-icon:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary{border:1px solid var(--border-primary);height:32px;color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:8px;padding:0 12px;font-family:inherit;font-size:13px;font-weight:500;transition:background .15s,color .15s,border-color .15s}.btn-secondary:hover:not(:disabled){background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:disabled{opacity:.4;cursor:default}.chat-messages{scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) transparent;flex-direction:column;flex:1;min-height:0;padding:.5rem 0;display:flex;overflow-y:auto}.message{flex-shrink:0;width:100%}.message-row{align-items:flex-start;gap:1rem;width:100%;max-width:768px;margin:0 auto;padding:.65rem 1.5rem;display:flex}.message.user .message-row{flex-direction:row-reverse}.msg-avatar{background:var(--bg-tertiary);width:28px;height:28px;color:var(--text-muted);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.message.assistant .msg-avatar{background:var(--brand-glow);color:var(--brand)}.msg-bubble{flex-direction:column;flex:1;gap:12px;min-width:0;display:flex}.message.user .msg-bubble{background:var(--user-msg-bg);border-radius:12px 12px 4px;align-self:flex-end;max-width:85%;padding:12px 14px}.msg-content{color:var(--text-primary);line-height:1.7}.msg-content p{margin:0 0 .75em}.msg-content p:last-child{margin-bottom:0}.msg-content h1,.msg-content h2,.msg-content h3,.msg-content h4,.msg-content h5,.msg-content h6{color:var(--text-primary);margin:1em 0 .4em;font-weight:600}.msg-content ul,.msg-content ol{margin:.5em 0;padding-left:1.4em}.msg-content li{margin:.2em 0}.msg-content code{background:var(--bg-code);border:1px solid var(--border-subtle);color:var(--brand);border-radius:4px;padding:1px 5px;font-family:JetBrains Mono,Fira Code,monospace;font-size:12.5px}.msg-content pre{background:var(--bg-code);border:1px solid var(--border-subtle);border-radius:8px;margin:.75em 0;padding:12px 14px;overflow-x:auto}.msg-content pre code{color:var(--text-primary);background:0 0;border:none;padding:0}.msg-content blockquote{border-left:3px solid var(--brand);color:var(--text-secondary);margin:.75em 0;padding-left:12px}.msg-content a{color:var(--brand);text-underline-offset:2px;-webkit-text-decoration:underline #0000;text-decoration:underline #0000;transition:text-decoration-color .2s}.msg-content a:hover{-webkit-text-decoration-color:var(--brand);text-decoration-color:var(--brand)}.msg-content .citation-btn{background:var(--source-bg);min-width:16px;height:16px;color:var(--source-color);border:1px solid var(--source-border);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;margin:0 1px;padding:0 3px;font-size:.6rem;font-weight:700;line-height:1;-webkit-text-decoration:none;text-decoration:none;transition:background .2s,color .2s,border-color .2s,transform .15s;display:inline-flex;position:relative;top:-.35em}.msg-content .citation-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:scale(1.1)translateY(-1px)}.msg-content table{border-collapse:collapse;width:100%;margin:.75em 0;font-size:13px}.msg-content th,.msg-content td{border:1px solid var(--border-primary);text-align:left;padding:6px 12px}.msg-content th{background:var(--bg-secondary);font-weight:600}.msg-error{color:#ef4444;background:#ef444414;border:1px solid #ef444433;border-radius:8px;padding:8px 12px;font-size:13px}.typing-indicator{align-items:center;gap:4px;padding:4px 0;display:flex}.typing-indicator span{background:var(--text-muted);border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite bounce}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-5px)}}.sources-block{flex-direction:column;gap:8px;display:flex}.sources-header{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;align-items:center;gap:6px;font-size:11px;font-weight:600;display:flex}.sources-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:6px;display:grid}.source-card{background:var(--source-bg);border:1px solid var(--source-border);color:var(--source-color);border-radius:8px;align-items:center;gap:8px;min-width:0;padding:8px 10px;text-decoration:none;transition:background .15s;display:flex}.source-card:hover{background:var(--source-hover-bg)}.source-num{color:var(--text-muted);flex-shrink:0;font-size:10px;font-weight:700}.source-info{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.source-title{white-space:nowrap;text-overflow:ellipsis;color:var(--source-color);font-size:12px;font-weight:500;overflow:hidden}.source-domain{color:var(--source-domain-color);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.source-card svg{color:var(--source-domain-color);flex-shrink:0}.related-block{flex-direction:column;gap:8px;display:flex}.related-header{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:600}.related-chips{flex-wrap:wrap;gap:6px;display:flex}.related-chip{background:var(--related-bg);border:1px solid var(--related-border);color:var(--related-color);cursor:pointer;border-radius:20px;padding:5px 12px;font-family:inherit;font-size:12.5px;font-weight:500;transition:background .15s}.related-chip:hover:not(:disabled){background:var(--related-hover)}.related-chip:disabled{color:var(--chip-disabled);cursor:default}.msg-usage{color:var(--usage-color);font-variant-numeric:tabular-nums;align-items:center;gap:6px;font-size:11px;display:flex}.usage-sep{opacity:.4}.chat-input-area{flex-shrink:0;width:100%;max-width:768px;margin:0 auto;padding:0 1.25rem 1rem}.input-wrapper{background:var(--bg-input);border:1px solid var(--border-primary);box-shadow:var(--shadow-sm);border-radius:20px;transition:border-color .2s,box-shadow .2s;overflow:hidden}.input-wrapper:focus-within{border-color:var(--brand);box-shadow:var(--shadow-input-focus)}.input-form{align-items:center;display:flex}.input-form textarea{resize:none;min-height:24px;max-height:200px;color:var(--text-primary);letter-spacing:-.005em;scrollbar-width:thin;background:0 0;border:none;outline:none;flex:1;padding:.875rem 0 .875rem 1.125rem;font-family:inherit;font-size:.9375rem;line-height:1.5;overflow-y:auto}.input-form textarea::placeholder{color:var(--text-muted)}.input-actions{flex-shrink:0;align-items:center;gap:.25rem;padding:.5rem .6rem;display:flex}.btn-send{background:var(--brand);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;transition:background .15s,transform .1s;display:flex}.btn-send:hover:not(:disabled){background:var(--brand-hover);transform:scale(1.04)}.btn-send:disabled{opacity:.4;cursor:default;transform:none}.btn-stop{border:1px solid var(--border-primary);width:32px;height:32px;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;justify-content:center;align-items:center;transition:background .15s,color .15s;display:flex}.btn-stop:hover:not(:disabled){color:#ef4444;background:#ef44441a;border-color:#ef44444d}.btn-stop:disabled{opacity:0;pointer-events:none}.input-footer{color:var(--text-muted);padding:6px 14px 0;font-size:11px}.empty-state{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:48px 24px;display:flex}.empty-icon{color:var(--brand);filter:drop-shadow(0 0 8px var(--brand-glow));margin-bottom:.25rem;position:relative}.empty-icon:before{content:"";background:radial-gradient(circle, var(--brand-glow) 0%, transparent 70%);pointer-events:none;border-radius:50%;animation:3s ease-in-out infinite glow-pulse;position:absolute;inset:-20px}@keyframes glow-pulse{0%,to{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.15)}}.empty-title{letter-spacing:-.03em;background:linear-gradient(135deg, var(--text-primary) 0%, var(--brand) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:1.5rem;font-weight:700;line-height:1.2}.empty-subtitle{color:var(--text-muted);max-width:400px;margin:0;font-size:.9rem;line-height:1.6}.empty-subtitle strong{color:var(--brand);font-weight:600}.drawer-overlay{z-index:40;opacity:0;pointer-events:none;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000059;transition:opacity .2s;position:fixed;inset:0}.drawer-overlay.open{opacity:1;pointer-events:auto}.settings-drawer{background:var(--bg-primary);border-left:1px solid var(--border-primary);z-index:50;width:320px;max-width:100vw;height:100%;box-shadow:var(--shadow-md);flex-direction:column;transition:transform .25s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;right:0;transform:translate(100%)}.settings-drawer.open{transform:translate(0)}.drawer-header{border-bottom:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;padding:16px;display:flex}.drawer-title{color:var(--text-primary);font-size:14px;font-weight:600}.drawer-body{scrollbar-width:thin;flex-direction:column;flex:1;gap:16px;padding:20px 16px;display:flex;overflow-y:auto}.drawer-field{flex-direction:column;gap:6px;display:flex}.drawer-field label{color:var(--text-secondary);font-size:12px;font-weight:500}.label-hint{color:var(--text-muted);font-size:11px;font-weight:400}.drawer-field input[type=text],.drawer-field input[type=password],.drawer-field select{background:var(--bg-secondary);border:1px solid var(--border-primary);height:34px;color:var(--text-primary);appearance:none;border-radius:8px;outline:none;width:100%;padding:0 10px;font-family:inherit;font-size:13px;transition:border-color .15s,box-shadow .15s}.drawer-field select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b8ba7' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:32px}.drawer-field input:focus,.drawer-field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow)}.drawer-field input:disabled{opacity:.45;cursor:not-allowed}.drawer-section{flex-direction:column;gap:8px;display:flex}.drawer-section-label{color:var(--text-secondary);align-items:center;gap:8px;margin-bottom:2px;font-size:12px;font-weight:500;display:flex}.drawer-section-hint{color:var(--text-muted);background:var(--bg-tertiary);border-radius:4px;padding:2px 6px;font-size:10px;font-weight:400}.drawer-checkbox{color:var(--text-primary);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;font-size:13px;display:flex}.drawer-checkbox input[type=checkbox]{width:15px;height:15px;accent-color:var(--brand);cursor:pointer;flex-shrink:0}.drawer-checkbox input:disabled{cursor:not-allowed}.sources-entries{flex-direction:column;gap:6px;display:flex}.source-entry{align-items:center;gap:6px;display:flex}.source-entry input[type=text]{background:var(--bg-secondary);border:1px solid var(--border-primary);height:32px;color:var(--text-primary);border-radius:6px;outline:none;flex:1;padding:0 8px;font-family:inherit;font-size:12px}.source-entry input:focus{border-color:var(--brand)}.btn-remove-source{width:26px;height:26px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s,color .15s;display:flex}.btn-remove-source:hover{color:#ef4444;background:#ef44441a}.btn-add-source{border:1px dashed var(--border-primary);height:30px;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:6px;align-self:flex-start;align-items:center;gap:6px;padding:0 10px;font-family:inherit;font-size:12px;transition:border-color .15s,color .15s,background .15s;display:flex}.btn-add-source:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-glow)}@media (width<=600px){.chat-column{padding:0 12px}.settings-drawer{width:100%}.sources-grid{grid-template-columns:1fr}}