:root{--token-color-primary-50: #fef2f2;--token-color-primary-100: #fee2e2;--token-color-primary-200: #fecaca;--token-color-primary-300: #fca5a5;--token-color-primary-400: #f87171;--token-color-primary-500: #ef4444;--token-color-primary-600: #dc2626;--token-color-primary-700: #b91c1c;--token-color-primary-800: #991b1b;--token-color-primary-900: #7f1d1d;--token-color-neutral-0: #ffffff;--token-color-neutral-50: #f9fafb;--token-color-neutral-100: #f3f4f6;--token-color-neutral-200: #e5e7eb;--token-color-neutral-300: #d1d5db;--token-color-neutral-400: #9ca3af;--token-color-neutral-500: #6b7280;--token-color-neutral-600: #4b5563;--token-color-neutral-700: #374151;--token-color-neutral-800: #1f2937;--token-color-neutral-900: #111827;--token-color-neutral-1000: #0f0f0f;--token-color-success-50: #f0fdf4;--token-color-success-100: #dcfce7;--token-color-success-500: #22c55e;--token-color-success-600: #16a34a;--token-color-error-50: #fef2f2;--token-color-error-100: #fee2e2;--token-color-error-500: #ef4444;--token-color-error-600: #dc2626;--token-color-error-700: #b91c1c;--token-color-warning-50: #fffbeb;--token-color-warning-100: #fef3c7;--token-color-warning-500: #f59e0b;--token-color-warning-600: #d97706;--token-color-info-50: #eff6ff;--token-color-info-100: #dbeafe;--token-color-info-500: #3b82f6;--token-color-info-600: #2563eb;--token-color-code: #7c3aed;--token-color-link: #2563eb;--token-color-link-hover: #1d4ed8;--token-font-family-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--token-font-family-display: "Poppins", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--token-font-family-mono: "JetBrains Mono", "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", "Consolas", monospace;--token-font-size-xs: .75rem;--token-font-size-sm: .875rem;--token-font-size-base: 1rem;--token-font-size-lg: 1.125rem;--token-font-size-xl: 1.25rem;--token-font-size-2xl: 1.5rem;--token-font-size-3xl: 1.875rem;--token-font-size-4xl: 2.25rem;--token-font-weight-light: 300;--token-font-weight-normal: 400;--token-font-weight-medium: 500;--token-font-weight-semibold: 600;--token-font-weight-bold: 700;--token-line-height-tight: 1.25;--token-line-height-snug: 1.375;--token-line-height-normal: 1.5;--token-line-height-relaxed: 1.625;--token-line-height-loose: 2;--token-spacing-0: 0;--token-spacing-px: 1px;--token-spacing-0-5: .125rem;--token-spacing-1: .25rem;--token-spacing-1-5: .375rem;--token-spacing-2: .5rem;--token-spacing-2-5: .625rem;--token-spacing-3: .75rem;--token-spacing-3-5: .875rem;--token-spacing-4: 1rem;--token-spacing-5: 1.25rem;--token-spacing-6: 1.5rem;--token-spacing-7: 1.75rem;--token-spacing-8: 2rem;--token-spacing-10: 2.5rem;--token-spacing-12: 3rem;--token-spacing-16: 4rem;--token-spacing-20: 5rem;--token-radius-none: 0;--token-radius-sm: .125rem;--token-radius-base: .25rem;--token-radius-md: .375rem;--token-radius-lg: .5rem;--token-radius-xl: .75rem;--token-radius-2xl: 1rem;--token-radius-3xl: 1.5rem;--token-radius-full: 9999px;--token-radius-message: 1.125rem;--token-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .05);--token-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--token-shadow-base: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--token-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--token-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--token-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--token-transition-duration-fast: .15s;--token-transition-duration-base: .2s;--token-transition-duration-slow: .3s;--token-transition-duration-slower: .5s;--token-transition-timing-ease: ease;--token-transition-timing-ease-in: ease-in;--token-transition-timing-ease-out: ease-out;--token-transition-timing-ease-in-out: ease-in-out;--token-z-index-hide: -1;--token-z-index-auto: auto;--token-z-index-base: 0;--token-z-index-docked: 10;--token-z-index-dropdown: 1000;--token-z-index-sticky: 1020;--token-z-index-banner: 1030;--token-z-index-overlay: 1040;--token-z-index-modal: 1050;--token-z-index-popover: 1060;--token-z-index-skipLink: 1070;--token-z-index-toast: 1080;--token-z-index-tooltip: 1090;--token-max-width-xs: 20rem;--token-max-width-sm: 24rem;--token-max-width-md: 28rem;--token-max-width-lg: 32rem;--token-max-width-xl: 36rem;--token-max-width-2xl: 42rem;--token-max-width-3xl: 48rem;--token-max-width-4xl: 56rem;--token-max-width-5xl: 64rem;--token-max-width-6xl: 72rem;--token-max-width-7xl: 80rem;--token-max-width-full: 100%;--token-max-width-container: 75rem;--token-max-width-message: 70%;--token-sidebar-width: 20rem;--token-sidebar-width-collapsed: 4rem;--token-breakpoint-xs: 475px;--token-breakpoint-sm: 640px;--token-breakpoint-md: 768px;--token-breakpoint-lg: 1024px;--token-breakpoint-xl: 1280px;--token-breakpoint-2xl: 1536px}:root{color-scheme:dark;--token-color-neutral-0: #0f0f0f;--token-color-neutral-50: #111827;--token-color-neutral-100: #1f2937;--token-color-neutral-200: #374151;--token-color-neutral-300: #4b5563;--token-color-neutral-400: #6b7280;--token-color-neutral-500: #9ca3af;--token-color-neutral-600: #d1d5db;--token-color-neutral-700: #e5e7eb;--token-color-neutral-800: #f3f4f6;--token-color-neutral-900: #f9fafb;--token-color-neutral-1000: #ffffff;--token-color-primary-50: #7f1d1d;--token-color-primary-100: #991b1b;--token-color-primary-200: #b91c1c;--token-color-primary-300: #dc2626;--token-color-primary-400: #ef4444;--token-color-primary-500: #f87171;--token-color-primary-600: #fca5a5;--token-color-primary-700: #fecaca;--token-color-primary-800: #fee2e2;--token-color-primary-900: #fef2f2;--token-color-code: #fca5a5;--token-color-link: #f87171;--token-color-link-hover: #fca5a5}@media (prefers-color-scheme: light),(prefers-color-scheme: dark){:root{color-scheme:dark!important;--token-color-neutral-0: #0f0f0f !important;--token-color-neutral-50: #111827 !important;--token-color-neutral-100: #1f2937 !important;--token-color-neutral-200: #374151 !important;--token-color-neutral-300: #4b5563 !important;--token-color-neutral-400: #6b7280 !important;--token-color-neutral-500: #9ca3af !important;--token-color-neutral-600: #d1d5db !important;--token-color-neutral-700: #e5e7eb !important;--token-color-neutral-800: #f3f4f6 !important;--token-color-neutral-900: #f9fafb !important;--token-color-neutral-1000: #ffffff !important;--token-color-primary-50: #7f1d1d !important;--token-color-primary-100: #991b1b !important;--token-color-primary-200: #b91c1c !important;--token-color-primary-300: #dc2626 !important;--token-color-primary-400: #ef4444 !important;--token-color-primary-500: #f87171 !important;--token-color-primary-600: #fca5a5 !important;--token-color-primary-700: #fecaca !important;--token-color-primary-800: #fee2e2 !important;--token-color-primary-900: #fef2f2 !important;--token-color-code: #fca5a5 !important;--token-color-link: #f87171 !important;--token-color-link-hover: #fca5a5 !important}}.theme-light{color-scheme:light}.theme-dark{color-scheme:dark;--token-color-primary-50: #7f1d1d;--token-color-primary-100: #991b1b;--token-color-primary-200: #b91c1c;--token-color-primary-300: #dc2626;--token-color-primary-400: #ef4444;--token-color-primary-500: #f87171;--token-color-primary-600: #fca5a5;--token-color-primary-700: #fecaca;--token-color-primary-800: #fee2e2;--token-color-primary-900: #fef2f2;--token-color-neutral-0: #0f0f0f;--token-color-neutral-50: #111827;--token-color-neutral-100: #1f2937;--token-color-neutral-200: #374151;--token-color-neutral-300: #4b5563;--token-color-neutral-400: #6b7280;--token-color-neutral-500: #9ca3af;--token-color-neutral-600: #d1d5db;--token-color-neutral-700: #e5e7eb;--token-color-neutral-800: #f3f4f6;--token-color-neutral-900: #f9fafb;--token-color-neutral-1000: #ffffff;--token-color-success-500: #34d399;--token-color-success-600: #10b981;--token-color-error-500: #f87171;--token-color-error-600: #ef4444;--token-color-warning-500: #fbbf24;--token-color-warning-600: #f59e0b;--token-color-info-500: #60a5fa;--token-color-info-600: #3b82f6;--token-color-code: #fca5a5;--token-color-link: #f87171;--token-color-link-hover: #fca5a5}@media (prefers-contrast: high){:root{--token-color-neutral-800: #000000;--token-color-neutral-700: #1a1a1a;--token-color-neutral-600: #333333;--token-color-neutral-500: #666666;--token-color-neutral-400: #999999;--token-color-neutral-300: #cccccc;--token-color-neutral-200: #e0e0e0;--token-color-neutral-100: #f0f0f0;--token-color-primary-600: #0d2818;--token-color-primary-500: #1a4d2e;--token-color-primary-400: #2d7a4a;--token-color-link: #0052cc;--token-color-link-hover: #003d99}.theme-dark{--token-color-neutral-0: #ffffff;--token-color-neutral-50: #f0f0f0;--token-color-neutral-100: #e0e0e0;--token-color-neutral-200: #cccccc;--token-color-neutral-300: #999999;--token-color-neutral-400: #666666;--token-color-neutral-500: #333333;--token-color-neutral-600: #1a1a1a;--token-color-neutral-700: #000000;--token-color-neutral-800: #000000;--token-color-neutral-900: #000000;--token-color-neutral-1000: #000000}}:root{--color-primary: var(--token-color-primary-600);--color-primary-light: var(--token-color-primary-500);--color-primary-lighter: var(--token-color-primary-400);--color-primary-dark: var(--token-color-primary-700);--color-primary-darker: var(--token-color-primary-800);--color-background: var(--token-color-neutral-100);--color-background-light: var(--token-color-neutral-50);--color-background-dark: var(--token-color-neutral-200);--color-surface: var(--token-color-neutral-0);--color-surface-elevated: var(--token-color-neutral-0);--color-text-primary: var(--token-color-neutral-800);--color-text-secondary: var(--token-color-neutral-600);--color-text-muted: var(--token-color-neutral-500);--color-text-light: var(--token-color-neutral-700);--color-text-inverse: var(--token-color-neutral-0);--color-border: var(--token-color-neutral-300);--color-border-light: var(--token-color-neutral-200);--color-border-dark: var(--token-color-neutral-400);--color-border-focus: var(--token-color-primary-500);--color-success: var(--token-color-success-500);--color-success-light: var(--token-color-success-100);--color-success-dark: var(--token-color-success-600);--color-error: var(--token-color-error-600);--color-error-light: var(--token-color-error-100);--color-error-dark: var(--token-color-error-700);--color-warning: var(--token-color-warning-500);--color-warning-light: var(--token-color-warning-100);--color-warning-dark: var(--token-color-warning-600);--color-info: var(--token-color-info-500);--color-info-light: var(--token-color-info-100);--color-info-dark: var(--token-color-info-600);--color-code: var(--token-color-code);--color-code-background: var(--token-color-neutral-100);--color-quote-background: var(--token-color-neutral-100);--color-link: var(--token-color-link);--color-link-hover: var(--token-color-link-hover);--color-button-primary: var(--color-primary);--color-button-primary-hover: var(--color-primary-dark);--color-button-primary-text: var(--color-text-inverse);--color-button-secondary: var(--color-surface);--color-button-secondary-hover: var(--color-background-light);--color-button-secondary-text: var(--color-text-primary);--color-button-destructive: var(--color-error);--color-button-destructive-hover: var(--color-error-dark);--color-button-destructive-text: var(--color-text-inverse);--font-family-base: var(--token-font-family-sans);--font-family-display: var(--token-font-family-display);--font-family-mono: var(--token-font-family-mono);--font-size-xs: var(--token-font-size-xs);--font-size-sm: var(--token-font-size-sm);--font-size-base: var(--token-font-size-base);--font-size-lg: var(--token-font-size-lg);--font-size-xl: var(--token-font-size-xl);--font-size-2xl: var(--token-font-size-2xl);--font-size-3xl: var(--token-font-size-3xl);--font-size-4xl: var(--token-font-size-4xl);--font-weight-light: var(--token-font-weight-light);--font-weight-normal: var(--token-font-weight-normal);--font-weight-medium: var(--token-font-weight-medium);--font-weight-semibold: var(--token-font-weight-semibold);--font-weight-bold: var(--token-font-weight-bold);--line-height-tight: var(--token-line-height-tight);--line-height-snug: var(--token-line-height-snug);--line-height-normal: var(--token-line-height-normal);--line-height-relaxed: var(--token-line-height-relaxed);--line-height-loose: var(--token-line-height-loose);--spacing-0: var(--token-spacing-0);--spacing-px: var(--token-spacing-px);--spacing-0-5: var(--token-spacing-0-5);--spacing-1: var(--token-spacing-1);--spacing-1-5: var(--token-spacing-1-5);--spacing-2: var(--token-spacing-2);--spacing-2-5: var(--token-spacing-2-5);--spacing-3: var(--token-spacing-3);--spacing-3-5: var(--token-spacing-3-5);--spacing-4: var(--token-spacing-4);--spacing-5: var(--token-spacing-5);--spacing-6: var(--token-spacing-6);--spacing-7: var(--token-spacing-7);--spacing-8: var(--token-spacing-8);--spacing-10: var(--token-spacing-10);--spacing-12: var(--token-spacing-12);--spacing-16: var(--token-spacing-16);--spacing-20: var(--token-spacing-20);--spacing-xs: var(--spacing-1);--spacing-sm: var(--spacing-2);--spacing-md: var(--spacing-3);--spacing-lg: var(--spacing-4);--spacing-xl: var(--spacing-6);--spacing-2xl: var(--spacing-8);--spacing-3xl: var(--spacing-12);--radius-none: var(--token-radius-none);--radius-sm: var(--token-radius-sm);--radius-base: var(--token-radius-base);--radius-md: var(--token-radius-md);--radius-lg: var(--token-radius-lg);--radius-xl: var(--token-radius-xl);--radius-2xl: var(--token-radius-2xl);--radius-3xl: var(--token-radius-3xl);--radius-full: var(--token-radius-full);--radius-message: var(--token-radius-message);--shadow-xs: var(--token-shadow-xs);--shadow-sm: var(--token-shadow-sm);--shadow-base: var(--token-shadow-base);--shadow-md: var(--token-shadow-md);--shadow-lg: var(--token-shadow-lg);--shadow-xl: var(--token-shadow-xl);--transition-fast: var(--token-transition-duration-fast) var(--token-transition-timing-ease);--transition-base: var(--token-transition-duration-base) var(--token-transition-timing-ease);--transition-slow: var(--token-transition-duration-slow) var(--token-transition-timing-ease);--transition-slower: var(--token-transition-duration-slower) var(--token-transition-timing-ease);--transition-colors: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);--transition-opacity: opacity var(--transition-fast);--transition-transform: transform var(--transition-fast);--transition-all: all var(--transition-fast);--z-index-hide: var(--token-z-index-hide);--z-index-auto: var(--token-z-index-auto);--z-index-base: var(--token-z-index-base);--z-index-docked: var(--token-z-index-docked);--z-index-dropdown: var(--token-z-index-dropdown);--z-index-sticky: var(--token-z-index-sticky);--z-index-banner: var(--token-z-index-banner);--z-index-overlay: var(--token-z-index-overlay);--z-index-modal: var(--token-z-index-modal);--z-index-popover: var(--token-z-index-popover);--z-index-skipLink: var(--token-z-index-skipLink);--z-index-toast: var(--token-z-index-toast);--z-index-tooltip: var(--token-z-index-tooltip);--max-width-xs: var(--token-max-width-xs);--max-width-sm: var(--token-max-width-sm);--max-width-md: var(--token-max-width-md);--max-width-lg: var(--token-max-width-lg);--max-width-xl: var(--token-max-width-xl);--max-width-2xl: var(--token-max-width-2xl);--max-width-3xl: var(--token-max-width-3xl);--max-width-4xl: var(--token-max-width-4xl);--max-width-5xl: var(--token-max-width-5xl);--max-width-6xl: var(--token-max-width-6xl);--max-width-7xl: var(--token-max-width-7xl);--max-width-full: var(--token-max-width-full);--max-width-container: var(--token-max-width-container);--max-width-message: var(--token-max-width-message);--sidebar-width: var(--token-sidebar-width);--sidebar-width-collapsed: var(--token-sidebar-width-collapsed);--button-height-sm: 2rem;--button-height-md: 2.5rem;--button-height-lg: 3rem;--button-padding-x-sm: var(--spacing-3);--button-padding-x-md: var(--spacing-4);--button-padding-x-lg: var(--spacing-6);--button-padding-y-sm: var(--spacing-2);--button-padding-y-md: var(--spacing-3);--button-padding-y-lg: var(--spacing-4);--form-element-height: 2.5rem;--form-element-padding-x: var(--spacing-3);--form-element-padding-y: var(--spacing-2-5);--form-element-border-width: 1px;--form-element-focus-ring-width: 2px;--form-element-focus-ring-offset: 2px;--message-padding-x: var(--spacing-4);--message-padding-y: var(--spacing-3);--message-gap: var(--spacing-4);--header-height: 4rem;--header-padding-x: var(--spacing-8);--header-padding-y: var(--spacing-4);--sidebar-header-height: 4rem;--sidebar-item-height: 3.125rem;--sidebar-item-padding-x: var(--spacing-4);--sidebar-item-padding-y: var(--spacing-4)}*,*:before,*:after{box-sizing:border-box}*{margin:0;padding:0}html{-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);color:var(--color-text-primary);background:linear-gradient(135deg,var(--color-background) 0%,var(--color-background-light) 50%,var(--color-background) 100%);min-height:100vh;overflow-x:hidden;transition:background-color .3s ease,color .3s ease}body.theme-dark{background:linear-gradient(135deg,#0f0f0f,#111827,#1f2937)!important;color:#fff!important}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit;margin:0}p,blockquote,dl,dd,figure{margin:0}ul,ol{list-style:none;margin:0;padding:0}button,input,optgroup,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;margin:0}button{background:transparent;border:none;cursor:pointer}a{color:inherit;text-decoration:inherit}img,svg,video,canvas,audio,iframe,embed,object{display:block;max-width:100%}table{border-collapse:collapse;border-spacing:0}#root{block-size:100vh;block-size:100dvh;isolation:isolate}*:focus{outline:none}*:focus-visible{outline:var(--form-element-focus-ring-width) solid var(--color-border-focus);outline-offset:var(--form-element-focus-ring-offset);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-border-focus) 20%,transparent)}button:focus-visible,[role=button]:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:var(--form-element-focus-ring-width) solid var(--color-border-focus);outline-offset:var(--form-element-focus-ring-offset);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-border-focus) 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1200px)}.layout--container-xl{max-width:1280px}.layout--container-full{max-width:none}.layout--padding-none{padding:0}.layout--padding-xs{padding:var(--spacing-xs)}.layout--padding-sm{padding:var(--spacing-sm)}.layout--padding-md{padding:var(--spacing-md)}.layout--padding-lg{padding:var(--spacing-lg)}.layout--padding-xl{padding:var(--spacing-xl)}.layout--padding-2xl{padding:var(--spacing-2xl)}@media (max-width: 768px){.layout--grid-cols-fit,.layout--grid-cols-fill,.layout--grid-cols-2,.layout--grid-cols-3,.layout--grid-cols-4,.layout--grid-cols-5,.layout--grid-cols-6{grid-template-columns:1fr}.layout--container-sm,.layout--container-md,.layout--container-lg,.layout--container-xl{padding-left:var(--spacing-lg);padding-right:var(--spacing-lg)}}@media (max-width: 480px){.layout--container-sm,.layout--container-md,.layout--container-lg,.layout--container-xl{padding-left:var(--spacing-md);padding-right:var(--spacing-md)}}.app-header{display:flex;justify-content:space-between;align-items:center;block-size:var(--header-height);padding-inline:var(--header-padding-x);padding-block:var(--header-padding-y);background:linear-gradient(135deg,var(--color-primary-600) 0%,var(--color-primary-500) 50%,var(--color-primary-700) 100%);color:var(--color-text-inverse);box-shadow:0 4px 20px #0000001a,0 1px 3px #0000001a;border-bottom:1px solid color-mix(in srgb,var(--color-primary-800) 15%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:relative}.app-header__left{display:flex;align-items:center;gap:var(--spacing-4)}.app-header__title{margin:0;font-family:var(--font-family-display);font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.2);line-height:var(--line-height-tight);letter-spacing:-.025em;background:linear-gradient(135deg,#fff,#ffffffe6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-header__toggle{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;font-size:var(--font-size-xl);cursor:pointer;padding:var(--spacing-2);border-radius:var(--radius-lg);transition:all .2s ease;min-inline-size:var(--spacing-10);block-size:var(--spacing-10);display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.app-header__toggle:hover{background:#fff3;border-color:#ffffff4d;transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.app-header__toggle:focus-visible{outline:2px solid #ffffff;outline-offset:2px}@media (max-width: 768px){.app-header{padding-inline:var(--spacing-4)}.app-header__left{gap:var(--spacing-2)}.app-header__title{font-size:var(--font-size-xl)}}@media (max-width: 480px){.app-header{padding-inline:var(--spacing-3);padding-block:var(--spacing-3)}.app-header__title{font-size:var(--font-size-lg)}.app-header__toggle{min-inline-size:var(--spacing-8);block-size:var(--spacing-8);font-size:var(--font-size-lg)}}@media (prefers-reduced-motion: reduce){.app-header__toggle{transition:none}}.chat-input{display:flex;gap:var(--spacing-3);padding:var(--spacing-5) var(--spacing-6);background:var(--color-surface);border-top:1px solid var(--color-border-light);box-shadow:0 -8px 32px #00000014,0 -2px 8px #0000000a;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:relative}.chat-input__field{flex:1;padding:var(--spacing-4) var(--spacing-5);border:2px solid var(--color-border-light);border-radius:var(--radius-2xl);background:var(--color-surface);color:var(--color-text-primary);resize:none;font-family:var(--font-family-base);font-size:var(--font-size-base);line-height:var(--line-height-normal);outline:none;transition:all .3s cubic-bezier(.4,0,.2,1);min-height:var(--spacing-12);box-shadow:0 2px 8px #0000000a,0 1px 3px #0000000f}.chat-input__field:focus{border-color:var(--color-primary-500);background:var(--color-surface);color:var(--color-text-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-primary-500) 15%,transparent),0 8px 24px #00000014,0 4px 8px #0000000a;transform:translateY(-1px)}.chat-input__field:disabled{background:var(--color-background);color:var(--color-text-muted);cursor:not-allowed;opacity:.6;transform:none}.chat-input__actions{display:flex;flex-direction:column;gap:var(--spacing-sm)}@media (max-width: 480px){.chat-input{padding:var(--spacing-sm);gap:var(--spacing-sm)}.chat-input__field{padding:var(--spacing-2) var(--spacing-3)}}.chat-input__field::placeholder{color:var(--color-text-muted);opacity:.8;transition:opacity .2s ease}.chat-input__field:focus::placeholder{opacity:.5}@media (prefers-reduced-motion: reduce){.chat-input__field{transition:none}}.message-item{--message-text: var(--color-text-primary);--message-bg: var(--color-surface);--message-border: var(--color-border);--message-shadow: var(--shadow-xs);display:flex;flex-direction:column;max-width:var(--max-width-message);word-wrap:break-word}.message-item--user{align-self:flex-end}.message-item--assistant{align-self:flex-start;--message-text: var(--color-text-primary);--message-bg: var(--color-surface);--message-border: var(--color-border) }.message-item__content{padding:var(--spacing-2) var(--spacing-3);border-radius:var(--radius-lg);background:var(--message-bg);color:var(--message-text);border:none;line-height:var(--line-height-normal);box-shadow:0 2px 12px #00000014,0 1px 3px #0000000f;font-size:var(--font-size-base);transition:all .2s ease;position:relative}.message-item--user .message-item__content{--message-bg: linear-gradient(135deg,var(--color-primary-600) 0%,var(--color-primary-500) 100%);--message-text: #ffffff;border-radius:var(--radius-xl) var(--radius-xl) var(--radius-sm) var(--radius-xl);margin-left:var(--spacing-8);color:#fff;background:var(--message-bg);box-shadow:0 4px 16px color-mix(in srgb,var(--color-primary-600) 25%,transparent),0 2px 4px #0000001a}.message-item--assistant .message-item__content{border-radius:var(--radius-xl) var(--radius-xl) var(--radius-xl) var(--radius-sm);margin-right:var(--spacing-8);background:var(--color-surface);border:1px solid var(--color-border-light);position:relative}.message-item--assistant .message-item__content:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--color-primary-500),var(--color-primary-400));border-radius:var(--radius-xl) var(--radius-xl) 0 0}.message-item__timestamp{font-size:var(--font-size-xs);color:var(--color-text-secondary);margin-top:var(--spacing-xs);align-self:flex-end;font-weight:var(--font-weight-medium)}.message-item--assistant .message-item__timestamp{align-self:flex-start}.message-item__content h1,.message-item__content h2,.message-item__content h3,.message-item__content h4,.message-item__content h5,.message-item__content h6{margin:var(--spacing-3) 0 var(--spacing-1-5) 0;color:var(--color-primary);font-weight:var(--font-weight-semibold)}.message-item--user .message-item__content h1,.message-item--user .message-item__content h2,.message-item--user .message-item__content h3,.message-item--user .message-item__content h4,.message-item--user .message-item__content h5,.message-item--user .message-item__content h6{color:#fff}.message-item__content h1{font-size:var(--font-size-3xl)}.message-item__content h2{font-size:var(--font-size-2xl)}.message-item__content h3{font-size:var(--font-size-lg)}.message-item__content p{margin:var(--spacing-sm) 0;line-height:var(--line-height-relaxed);color:inherit}.message-item__content p:first-child{margin-top:0}.message-item__content p:last-child{margin-bottom:0}.message-item__content ul,.message-item__content ol{margin:var(--spacing-2) 0;padding-left:var(--spacing-6)}.message-item__content li{margin:var(--spacing-xs) 0;color:inherit}.message-item__content ul li::marker,.message-item__content ol li::marker{color:var(--color-primary)}.message-item__content code{background:var(--color-code-background);padding:var(--spacing-0-5) var(--spacing-1-5);border-radius:var(--radius-sm);font-family:var(--font-family-mono);font-size:var(--font-size-sm);color:var(--color-code);border:1px solid var(--color-border-light)}.message-item--user .message-item__content code{background:color-mix(in srgb,var(--color-text-inverse) 20%,transparent);color:inherit;border-color:color-mix(in srgb,var(--color-text-inverse) 30%,transparent)}.message-item__content pre{background:var(--color-code-background);padding:var(--spacing-4);border-radius:var(--radius-lg);overflow-x:auto;margin:var(--spacing-3) 0;border:1px solid var(--color-border);box-shadow:var(--shadow-xs)}.message-item--user .message-item__content pre{background:color-mix(in srgb,var(--color-text-inverse) 10%,transparent);border-color:color-mix(in srgb,var(--color-text-inverse) 20%,transparent)}.message-item__content pre code{background:none;padding:0;color:var(--color-text-primary);font-size:var(--font-size-sm);border:none}.message-item--user .message-item__content pre code{color:inherit}.message-item__content blockquote{margin:var(--spacing-3) 0;padding:var(--spacing-2) var(--spacing-4);color:var(--color-text-light);font-style:italic;background:var(--color-quote-background);border-radius:0 var(--radius-md) var(--radius-md) 0;border:1px solid var(--color-border-light);border-left:4px solid var(--color-primary)}.message-item--user .message-item__content blockquote{border-left-color:currentColor;background:color-mix(in srgb,var(--color-text-inverse) 10%,transparent);color:inherit;border-color:color-mix(in srgb,var(--color-text-inverse) 30%,transparent)}.message-item__content table{border-collapse:collapse;width:100%;margin:var(--spacing-3) 0;font-size:var(--font-size-sm);box-shadow:var(--shadow-xs);border:1px solid var(--color-border)}.message-item__content th,.message-item__content td{border:1px solid var(--color-border);padding:var(--spacing-2) var(--spacing-3);text-align:left}.message-item__content th{background:var(--color-code-background);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.message-item__content tr:nth-child(2n){background:var(--color-background-light)}.message-item__content a{color:var(--color-link);text-decoration:none;font-weight:var(--font-weight-medium);transition:var(--transition-colors)}.message-item--user .message-item__content a{color:inherit;text-decoration:underline}.message-item__content a:hover{color:var(--color-link-hover);text-decoration:underline}.message-item__content a:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px;border-radius:var(--radius-sm)}.message-item__content strong{font-weight:var(--font-weight-semibold);color:var(--color-primary)}.message-item--user .message-item__content strong{color:#fff}.message-item__content em{font-style:italic;color:var(--color-text-light)}.message-item--user .message-item__content em{color:#fff}@media (max-width:768px){.message-item{max-width:90%}.message-item__content{padding:var(--spacing-sm) var(--spacing-md)}}@media (prefers-contrast:high){.message-item--assistant{--message-text: var(--color-text-primary);--message-bg: var(--color-surface);--message-border: var(--color-border-dark) }.message-item__content,.message-item__content code,.message-item__content pre,.message-item__content blockquote,.message-item__content table{border-width:2px}}@media (prefers-reduced-motion:reduce){.message-item__content a{transition:none}}.typing-indicator{display:flex;flex-direction:column;max-width:var(--max-width-message);word-wrap:break-word;align-self:flex-start}.typing-indicator__content{padding:var(--message-padding-y) var(--message-padding-x);border-radius:var(--radius-message) var(--radius-message) var(--radius-message) var(--radius-md);background:var(--color-surface);color:var(--color-text-primary);border:1px solid var(--color-border);box-shadow:var(--shadow-xs)}.typing-indicator__dots{display:flex;gap:var(--spacing-1);padding-block:var(--spacing-2)}.typing-indicator__dot{inline-size:var(--spacing-2);block-size:var(--spacing-2);border-radius:var(--radius-full);background:var(--color-text-muted);animation:typing-pulse var(--token-transition-duration-slower) infinite ease-in-out}.typing-indicator__dot:nth-child(1){animation-delay:-.32s}.typing-indicator__dot:nth-child(2){animation-delay:-.16s}@keyframes typing-pulse{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}@media (max-width: 768px){.typing-indicator{max-width:90%}.typing-indicator__content{padding:var(--spacing-2) var(--spacing-3)}}@media (prefers-reduced-motion: reduce){.typing-indicator__dot{animation:none;opacity:.7}}@media (prefers-color-scheme: dark){.typing-indicator__content{background:var(--color-surface);border-color:var(--color-border)}}.welcome-message{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-secondary);background:linear-gradient(135deg,var(--color-surface) 0%,var(--color-background-light) 100%);border-radius:var(--radius-2xl);margin:var(--spacing-lg);box-shadow:0 4px 20px #0000000f,0 1px 3px #0000000a;border:1px solid var(--color-border-light)}.welcome-message__title{background:linear-gradient(135deg,var(--color-primary-600) 0%,var(--color-primary-500) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-lg);font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);text-shadow:0 2px 4px rgba(0,0,0,.1)}.welcome-message__text{margin:var(--spacing-sm) 0;line-height:var(--line-height-relaxed);font-size:var(--font-size-lg);color:var(--color-text-primary)}.suggested-questions{padding:var(--spacing-6) var(--spacing-4);max-width:var(--max-width-4xl);margin:0 auto}.suggested-questions__title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin-bottom:var(--spacing-6);text-align:center}.suggested-questions__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-4)}.suggested-questions__tile{padding:var(--spacing-4) var(--spacing-5);background:var(--color-surface);border:2px solid var(--color-border-light);border-radius:var(--radius-xl);color:var(--color-text-primary);font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:var(--line-height-relaxed);text-align:left;cursor:pointer;transition:var(--transition-colors);box-shadow:var(--shadow-xs)}.suggested-questions__tile:hover{border-color:var(--color-primary-500);background:var(--color-background-light);box-shadow:var(--shadow-md);transform:translateY(-2px)}.suggested-questions__tile:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px;box-shadow:0 0 0 3px #d600001a}@media (max-width: 768px){.suggested-questions{padding:var(--spacing-4) var(--spacing-3)}.suggested-questions__grid{grid-template-columns:1fr;gap:var(--spacing-3)}.suggested-questions__tile{padding:var(--spacing-3) var(--spacing-4);font-size:var(--font-size-sm)}}@media (prefers-reduced-motion: reduce){.suggested-questions__tile{transition:none}.suggested-questions__tile:hover{transform:none}}@media (prefers-color-scheme: dark){.suggested-questions__tile{background:var(--color-surface);border-color:var(--color-border)}.suggested-questions__tile:hover{background:var(--color-background-dark)}}.chat-messages{flex:1;overflow-y:auto;overflow-anchor:none;padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-lg);background:linear-gradient(180deg,var(--color-background) 0%,var(--color-background-light) 100%);scroll-behavior:smooth}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track{background:var(--color-background-light);border-radius:var(--radius-lg)}.chat-messages::-webkit-scrollbar-thumb{background:linear-gradient(135deg,var(--color-border-dark) 0%,var(--color-primary-400) 100%);border-radius:var(--radius-lg);border:1px solid var(--color-background-light)}.chat-messages::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,var(--color-primary-500) 0%,var(--color-primary-600) 100%);box-shadow:0 2px 4px #0000001a}@media (max-width: 480px){.chat-messages{padding:var(--spacing-sm)}}.conversation-history{width:var(--sidebar-width);min-width:var(--sidebar-width);height:100%;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;overflow:hidden;flex-shrink:0;box-shadow:2px 0 8px #0000000a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.conversation-history__header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid var(--color-border);background:linear-gradient(135deg,var(--color-background-light) 0%,var(--color-surface) 100%);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.conversation-history__title{margin:0;font-size:var(--font-size-lg);color:var(--color-primary-600);font-weight:var(--font-weight-semibold)}.conversation-history__content{flex:1;overflow-y:auto;padding:var(--spacing-sm) 0}.conversation-history__content::-webkit-scrollbar{width:6px}.conversation-history__content::-webkit-scrollbar-track{background:var(--color-background-light)}.conversation-history__content::-webkit-scrollbar-thumb{background:var(--color-border-dark);border-radius:var(--radius-sm)}.conversation-history__content::-webkit-scrollbar-thumb:hover{background:var(--color-primary-500)}.conversation-list{display:flex;flex-direction:column}.conversation-list__item{padding:var(--spacing-lg);cursor:pointer;border-bottom:1px solid var(--color-border-light);transition:all .2s 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var(--transition-fast)}.conversation-history__alert-close:hover{background:color-mix(in srgb,currentColor 10%,transparent)}.conversation-history__spinner{width:24px;height:24px;border:2px solid var(--color-border);border-top:2px solid var(--color-primary-600);border-radius:var(--radius-full);animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.conversation-history{position:absolute;top:0;left:0;width:100%;min-width:100%;height:100%;z-index:var(--z-index-modal);box-shadow:var(--shadow-md)}.conversation-list__item{padding:var(--spacing-lg)}.conversation-list__item-content{font-size:var(--font-size-base)}}.chat-layout{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:var(--max-width-container);margin:0 auto;background:var(--color-background);box-shadow:0 0 40px #0000000f;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--color-border-light)}.chat-layout__content{display:flex;flex:1;overflow:hidden}.chat-layout__main{display:flex;flex-direction:column;flex:1;overflow:hidden}@media (max-width: 768px){.chat-layout__content{position:relative}.chat-layout__main{width:100%}}.app-layout{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:var(--max-width-container);margin:0 auto;background:var(--color-background);overflow:hidden}.app-layout__header{flex-shrink:0;background:var(--color-white);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm);z-index:10}.app-layout__main{flex:1;overflow:hidden;min-height:0}.app-layout__sidebar{flex-shrink:0;background:var(--color-white);overflow:hidden;display:flex;flex-direction:column}.app-layout__sidebar--left{border-right:1px solid var(--color-border);width:var(--sidebar-width);min-width:var(--sidebar-width)}.app-layout__sidebar--right{border-left:1px solid var(--color-border);width:var(--sidebar-width);min-width:var(--sidebar-width)}.app-layout__content{flex:1;overflow:hidden;display:flex;flex-direction:column;min-width:0;background:var(--color-background)}.app-layout__footer{flex-shrink:0;background:var(--color-white);border-top:1px solid var(--color-border);box-shadow:0 -2px 4px #0000001a}.app-layout--header-sm .app-layout__header{min-height:48px;padding:var(--spacing-sm) var(--spacing-lg)}.app-layout--header-md .app-layout__header{min-height:64px;padding:var(--spacing-md) var(--spacing-lg)}.app-layout--header-lg .app-layout__header{min-height:80px;padding:var(--spacing-lg) var(--spacing-xl)}.app-layout--footer-sm .app-layout__footer{min-height:40px;padding:var(--spacing-sm) var(--spacing-lg)}.app-layout--footer-md .app-layout__footer{min-height:56px;padding:var(--spacing-md) var(--spacing-lg)}.app-layout--footer-lg .app-layout__footer{min-height:72px;padding:var(--spacing-lg) var(--spacing-xl)}@media (max-width: 768px){.app-layout--with-sidebar .app-layout__main{position:relative}.app-layout__sidebar{position:absolute;top:0;bottom:0;width:100%;min-width:100%;z-index:var(--z-index-modal);box-shadow:var(--shadow-md);transform:translate(-100%);transition:transform var(--transition-normal)}.app-layout__sidebar--right{transform:translate(100%)}.app-layout__sidebar--visible{transform:translate(0)}.app-layout__content{width:100%}.app-layout--header-sm .app-layout__header,.app-layout--header-md .app-layout__header,.app-layout--header-lg .app-layout__header{padding-left:var(--spacing-md);padding-right:var(--spacing-md)}}@media (max-width: 480px){.app-layout--header-sm .app-layout__header,.app-layout--header-md .app-layout__header,.app-layout--header-lg .app-layout__header,.app-layout--footer-sm .app-layout__footer,.app-layout--footer-md .app-layout__footer,.app-layout--footer-lg .app-layout__footer{padding-left:var(--spacing-sm);padding-right:var(--spacing-sm)}}.app-layout__sidebar:focus-within{outline:2px solid var(--color-primary);outline-offset:-2px}.app-layout__skip-link{position:absolute;top:-40px;left:6px;background:var(--color-primary);color:var(--color-white);padding:var(--spacing-sm) var(--spacing-md);text-decoration:none;border-radius:var(--radius-md);z-index:1000;transition:top var(--transition-fast)}.app-layout__skip-link:focus{top:6px}