:root{--sidebar-width: 280px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 999px;--font-family: "Segoe UI", system-ui, -apple-system, sans-serif;--font-mono: "Cascadia Code", "Fira Code", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-md: 1rem;--text-lg: 1.125rem;--transition-fast: .12s ease;--transition-normal: .22s ease;--z-toast: 1080;--z-modal: 1050;--z-dropdown: 1000;--bp-md: 768px;--bp-lg: 1024px;--bg-app: #000000;--bg-surface: #0d0d0d;--bg-surface-2: #141414;--bg-elevated: #1a1a1a;--sidebar-bg: #080808;--sidebar-hover: #141414;--chat-bg: var(--bg-app);--chat-surface: var(--bg-surface);--user-bubble: #c41a1a;--assistant-bubble: #0d0d0d;--text-primary: #ffffff;--text-secondary: #999999;--text-muted: #555555;--border-color: #1f1f1f;--accent: #c41a1a;--accent-hover: #e02525;--accent-soft: rgba(196, 26, 26, .12);--input-bg: #0d0d0d;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--info: #3b82f6;--shadow-sm: 0 1px 3px rgba(0,0,0,.5);--shadow-md: 0 4px 16px rgba(0,0,0,.55);--code-bg: #080808;--skeleton-base: #141414;--skeleton-shine: #1f1f1f}[data-theme=light]{--bg-app: #f6f6f5;--bg-surface: #ffffff;--bg-surface-2: #fafaf9;--bg-elevated: #ffffff;--sidebar-bg: #ffffff;--sidebar-hover: #f2f1f0;--user-bubble: #c41a1a;--assistant-bubble: #ffffff;--text-primary: #1c1917;--text-secondary: #57534e;--text-muted: #78716c;--border-color: #e7e5e4;--accent: #c41a1a;--accent-hover: #a31212;--accent-soft: rgba(196, 26, 26, .07);--danger: #b91c1c;--success: #15803d;--warning: #b45309;--info: #1d4ed8;--input-bg: #ffffff;--shadow-sm: 0 1px 2px rgba(28, 25, 23, .05);--shadow-md: 0 6px 24px rgba(28, 25, 23, .07);--code-bg: #f6f6f5;--skeleton-base: #ededec;--skeleton-shine: #f8f8f7}*,*:before,*:after{box-sizing:border-box}html,body{height:100%;margin:0;padding:0;font-family:var(--font-family);background-color:var(--bg-app);color:var(--text-primary);transition:background-color var(--transition-normal),color var(--transition-normal)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-sm)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.markdown-content p{margin-bottom:.6rem;line-height:1.7}.markdown-content p:last-child{margin-bottom:0}.markdown-content code{background:var(--bg-surface-2);padding:2px 6px;border-radius:4px;font-size:.875em;font-family:var(--font-mono)}.markdown-content pre{position:relative;background:var(--code-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1rem;overflow-x:auto;margin:.75rem 0}.markdown-content pre code{background:transparent;padding:0;font-size:.85rem}.markdown-content h1,.markdown-content h2,.markdown-content h3{margin-top:1rem;margin-bottom:.5rem;font-weight:600;color:var(--text-primary)}.markdown-content ul,.markdown-content ol{padding-left:1.5rem;margin-bottom:.6rem}.markdown-content li{margin-bottom:.25rem}.markdown-content blockquote{border-left:3px solid var(--accent);margin:.5rem 0;padding:.25rem 0 .25rem 1rem;color:var(--text-secondary)}.markdown-content hr{border:none;border-top:1px solid var(--border-color);margin:.75rem 0}.markdown-content em{color:var(--text-secondary)}.markdown-content strong{color:var(--text-primary)}.markdown-content table{width:100%;border-collapse:collapse;margin:.75rem 0;font-size:var(--text-sm);display:block;overflow-x:auto}.markdown-content th,.markdown-content td{border:1px solid var(--border-color);padding:.4rem .75rem;text-align:left}.markdown-content th{background:var(--bg-surface-2);font-weight:600}.skeleton{background:linear-gradient(90deg,var(--skeleton-base) 25%,var(--skeleton-shine) 50%,var(--skeleton-base) 75%);background-size:200% 100%;animation:skeleton-shine 1.4s infinite;border-radius:var(--radius-sm)}@keyframes skeleton-shine{0%{background-position:200% 0}to{background-position:-200% 0}}.empty-state{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);padding:var(--space-6);color:var(--text-secondary);text-align:center}.empty-state i{font-size:2rem;color:var(--text-muted)}.app-toasts{position:fixed;bottom:20px;right:20px;z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-2);max-width:380px}.app-toast{background:var(--bg-elevated);border:1px solid var(--border-color);border-left:3px solid var(--info);color:var(--text-primary);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);box-shadow:var(--shadow-md);font-size:var(--text-sm);animation:toast-in var(--transition-normal)}.app-toast.error{border-left-color:var(--danger)}.app-toast.warning{border-left-color:var(--warning)}.app-toast.success{border-left-color:var(--success)}@keyframes toast-in{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}.source-cards{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-3)}.source-card{display:inline-flex;align-items:center;gap:6px;background:var(--bg-surface-2);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:6px 10px;font-size:var(--text-xs);color:var(--text-secondary);max-width:100%}.source-card i{color:var(--accent);flex-shrink:0}.source-card .source-name{color:var(--text-primary);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}.tool-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:var(--space-2)}.tool-chip{display:inline-flex;align-items:center;gap:5px;font-size:var(--text-xs);border-radius:var(--radius-full);border:1px solid var(--border-color);background:var(--bg-surface-2);color:var(--text-secondary);padding:2px 10px}.tool-chip.completed i{color:var(--success)}.tool-chip.failed i{color:var(--danger)}.tool-chip.running i{color:var(--warning)}[data-theme=light] .welcome-logo{filter:drop-shadow(0 0 18px rgba(196,26,26,.12))}.text-accent{color:var(--accent)}.bg-surface{background-color:var(--chat-surface)}@font-face{font-family:Montserrat;src:url("./media/montserrat-latin-variable-VA4M73IZ.woff2") format("woff2");font-style:normal;font-weight:100 900;font-display:swap}:root{color-scheme:dark;--font-family: "Montserrat", Arial, sans-serif;--brand-red: #bf243b;--mobile-accent-text: #f5f5f3;--bg-app: #0a0b0c;--bg-surface: #161718;--bg-surface-2: #202122;--bg-elevated: #242526;--sidebar-bg: #111213;--sidebar-hover: #242526;--text-primary: #f5f5f3;--text-secondary: #b5b5b3;--text-muted: #a5a5a2;--border-color: #363738;--accent: #bf243b;--accent-hover: #ef6759;--accent-soft: #2b1716;--user-bubble: #bf243b;--input-bg: #161718;--mobile-hero: #1d1717;--mobile-hero-border: #70403a;--mobile-nav: #202122;--mobile-nav-shadow: 0 6px 24px #0005;--mobile-control-border: #70716e;--mobile-selected-text: #ffffff;--mobile-selected-bg: #bf243b;--mobile-focus: #ef6759;--mobile-status: #6bd7af}[data-theme=light]{--mobile-accent-text: #c02717;color-scheme:light;--bg-app: #f5f5f3;--bg-surface: #ffffff;--bg-surface-2: #eeeded;--bg-elevated: #ffffff;--sidebar-bg: #ffffff;--sidebar-hover: #eeeded;--text-primary: #191a1b;--text-secondary: #535552;--text-muted: #61635f;--border-color: #d5d6d2;--accent: #bf243b;--accent-hover: #a82516;--accent-soft: #fff0ee;--user-bubble: #bf243b;--input-bg: #ffffff;--mobile-hero: #fff5f3;--mobile-hero-border: #d8a39c;--mobile-nav: #ffffff;--mobile-nav-shadow: 0 6px 24px #20201c1a;--mobile-control-border: #81837d;--mobile-selected-text: #ffffff;--mobile-selected-bg: #bf243b;--mobile-focus: #bf243b;--mobile-status: #22744f}body{font-family:var(--font-family)}button,input,textarea,select{font-family:inherit}[data-theme=light] .welcome-logo{filter:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}