:root{--km-color-bg-000:#fff;--km-color-bg-100:#faf9f5;--km-color-bg-200:#f5f4ed;--km-color-bg-300:#f0eee6;--km-color-text-100:#141413;--km-color-text-200:#3d3d3a;--km-color-text-500:#73726c;--km-color-brand:#d97757;--km-color-brand-emphasis:#c6613f;--km-color-border:rgba(31,30,29,.15);--km-color-border-strong:rgba(31,30,29,.3);--km-color-ghost-hover:rgba(20,20,19,.05);--km-color-disabled:rgba(115,114,108,.35);--km-color-focus:#2c84db;--km-font-ui:"Anthropic Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--km-font-serif:"Anthropic Serif", "Anthropic Serif Fallback Georgia", "Anthropic Serif Fallback Times", Georgia, "Times New Roman", Times, serif;--km-font-mono:"Anthropic Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;--km-space-1:4px;--km-space-2:8px;--km-space-3:12px;--km-space-4:16px;--km-space-5:20px;--km-space-6:24px;--km-space-8:32px;--km-space-12:48px;--km-radius-sm:8px;--km-radius-md:12px;--km-radius-lg:16px;--km-radius-composer:20px;--km-radius-pill:9999px;--km-chat-column:48rem;--km-control-size:32px;--km-control-size-sm:28px;--km-composer-max-height:384px;--km-composer-min-textarea:24px;--km-shadow-composer:0 .25rem 1.25rem rgba(0,0,0,.035), 0 0 0 .5px rgba(31,30,29,.15);--km-shadow-composer-focus:0 .25rem 1.25rem rgba(0,0,0,.075), 0 0 0 .5px rgba(31,30,29,.3);--km-motion-fast:.15s;--km-motion-base:.2s;--km-motion-slow:.3s;--km-ease-out:cubic-bezier(.165, .84, .44, 1);--km-ease-snap:cubic-bezier(.32, .72, 0, 1);color:var(--km-color-text-100);background:var(--km-color-bg-100);font-family:var(--km-font-ui);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html{scroll-behavior:smooth;height:100%}html,body,#root{min-height:100%}body{min-width:320px;margin:0;overflow:hidden}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled,textarea:disabled{cursor:default}.app-shell{height:100vh;padding:var(--km-space-6);place-items:stretch center;display:grid;overflow:hidden}@supports (height:100svh){.app-shell{height:100svh}}@supports (height:100dvh){.app-shell{height:100dvh}}.chat-screen{width:min(100%, var(--km-chat-column));grid-template-rows:minmax(0,1fr) 0 auto auto;height:100%;min-height:0;display:grid}.chat-screen--active{width:calc(100% + (var(--km-space-6) * 2));margin-inline:calc(var(--km-space-6) * -1);grid-template-rows:auto minmax(0,1fr) auto auto}.chat-header{justify-content:center;align-items:center;min-height:0;display:flex}.chat-screen--active .chat-header{width:min(calc(100% - (var(--km-space-6) * 2)), var(--km-chat-column));justify-content:flex-end;justify-self:center;min-height:48px}.intro-copy{width:min(100%,640px);padding:var(--km-space-8) 0;text-align:center;margin:0 auto}.eyebrow{margin:0 0 var(--km-space-4);color:var(--km-color-brand-emphasis);font-size:.8125rem;font-weight:500}h1{color:var(--km-color-text-100);font-family:var(--km-font-serif);letter-spacing:0;margin:0;font-size:4.5rem;font-weight:500;line-height:1}.animated-title{opacity:1;transition:opacity 1s linear}.animated-title--hidden{opacity:0;transition-timing-function:var(--km-ease-out)}.subtitle{max-width:560px;margin:var(--km-space-5) auto 0;color:var(--km-color-text-500);font-size:1rem;line-height:1.6}.secondary-action{min-height:var(--km-control-size);border-radius:var(--km-radius-sm);color:var(--km-color-text-200);padding:0 var(--km-space-3);transition:background-color var(--km-motion-fast) var(--km-ease-out), color var(--km-motion-fast) var(--km-ease-out), transform .1s var(--km-ease-out);background:0 0;border:0;font-size:.875rem;font-weight:500}.secondary-action:hover:not(:disabled){background:var(--km-color-ghost-hover);color:var(--km-color-text-100)}.secondary-action:active:not(:disabled){transform:scale(.98)}.secondary-action:disabled{color:var(--km-color-disabled)}.secondary-action:focus-visible{outline:2px solid var(--km-color-focus);outline-offset:2px}.inline-action:focus-visible{outline:2px solid var(--km-color-focus);outline-offset:2px}.send-button:focus-visible{outline:2px solid var(--km-color-focus);outline-offset:2px}.chat-history{gap:var(--km-space-5);overscroll-behavior:contain;min-height:0;padding:var(--km-space-3) 0 var(--km-space-6);scrollbar-color:rgba(31,30,29,.35) transparent;scrollbar-width:thin;flex-direction:column;display:flex;overflow-y:auto}.chat-screen:not(.chat-screen--active) .chat-history{padding:0;overflow:hidden}.chat-screen--active .chat-history{padding-inline:max(var(--km-space-6), calc((100% - var(--km-chat-column)) / 2))}.chat-screen--active .error-banner,.chat-screen--active .composer-with-pet{width:min(calc(100% - (var(--km-space-6) * 2)), var(--km-chat-column));justify-self:center}.intro-spacer{min-height:0}.turn-scroll-spacer{pointer-events:none;flex:0 0 calc(100% - 4rem);min-height:12rem}.message-bubble{animation:message-enter var(--km-motion-base) var(--km-ease-out) both;overflow-wrap:anywhere}.message-bubble--user{border-radius:var(--km-radius-md);background:var(--km-color-bg-300);max-width:min(82%,70ch);color:var(--km-color-text-100);padding:9px var(--km-space-4);align-self:flex-end}.message-bubble--assistant{width:100%;max-width:72ch;color:var(--km-color-text-100);font-family:var(--km-font-serif);padding:0 var(--km-space-2);align-self:flex-start}.message-bubble--loading{width:auto;min-width:112px}.message-bubble--error{border-left:2px solid var(--km-color-brand-emphasis);color:var(--km-color-text-200);font-family:var(--km-font-ui);padding-left:var(--km-space-4)}.message-author{margin:0 0 var(--km-space-2);color:var(--km-color-brand-emphasis);font-family:var(--km-font-ui);font-size:.8125rem;font-weight:500}.message-content{white-space:pre-wrap;margin:0;font-size:1rem;line-height:1.65}.message-markdown{white-space:normal}.message-markdown>:first-child{margin-top:0}.message-markdown>:last-child{margin-bottom:0}.message-markdown p,.message-markdown ul,.message-markdown ol,.message-markdown pre,.message-markdown blockquote,.message-markdown table{margin:0 0 var(--km-space-3)}.message-markdown ul,.message-markdown ol{padding-left:1.35rem}.message-markdown li+li{margin-top:var(--km-space-1)}.message-markdown a{color:var(--km-color-brand-emphasis);text-underline-offset:.14em;text-decoration:underline}.message-markdown code{border-radius:var(--km-radius-sm);background:var(--km-color-bg-300);font-family:var(--km-font-mono);padding:.08em .32em;font-size:.9em}.message-markdown pre{border-radius:var(--km-radius-md);background:var(--km-color-bg-300);padding:var(--km-space-3);white-space:pre;overflow-x:auto}.message-markdown pre code{background:0 0;border-radius:0;padding:0;font-size:.9rem}.message-reasoning{margin:0 0 var(--km-space-3)}.message-reasoning-toggle{color:var(--km-color-text-500);font-family:var(--km-font-ui);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;padding:0;font-size:.875rem;font-weight:500;line-height:1.5;display:inline-flex}.message-reasoning-chevron{opacity:0;width:0;margin-left:0;transition:width .15s,margin-left .15s,opacity .15s,transform .15s;display:inline-block;transform:translate(-2px)}.message-reasoning-toggle:hover{color:var(--km-color-text-200)}.message-reasoning-toggle:focus-visible{color:var(--km-color-text-200)}.message-reasoning-toggle:hover .message-reasoning-chevron{width:.55rem;margin-left:var(--km-space-1);opacity:1;transform:translate(0)}.message-reasoning-toggle:focus-visible .message-reasoning-chevron{width:.55rem;margin-left:var(--km-space-1);opacity:1;transform:translate(0)}.message-reasoning-toggle:focus-visible{outline:2px solid var(--km-color-focus);outline-offset:3px;border-radius:var(--km-radius-sm)}.message-reasoning-panel{opacity:0;grid-template-rows:0fr;margin-top:0;transition:grid-template-rows .25s,margin-top .25s,opacity .18s;display:grid}.message-reasoning-panel--expanded{margin-top:var(--km-space-2);opacity:1;grid-template-rows:1fr}.message-reasoning-body{border-left:1px solid var(--km-color-border);min-height:0;padding-left:var(--km-space-3);color:var(--km-color-text-500);font-family:var(--km-font-ui);font-size:.875rem;line-height:1.5;overflow:hidden}.message-reasoning-body .message-content{color:inherit;font-size:inherit;line-height:inherit}@media (prefers-reduced-motion:reduce){.message-reasoning-chevron,.message-reasoning-panel{transition:none}}.message-bubble--user .message-content{font-family:var(--km-font-ui);line-height:1.55}.typing-indicator{justify-content:space-between;align-items:center;width:36px;height:24px;display:flex}.typing-indicator span{border-radius:var(--km-radius-pill);background:var(--km-color-text-500);width:4px;height:4px;animation:1.8s linear infinite dot-pulse;display:block}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}.message-actions{margin-top:var(--km-space-3);display:flex}.inline-action{border-radius:var(--km-radius-sm);background:var(--km-color-bg-000);min-height:32px;color:var(--km-color-text-100);padding:0 var(--km-space-3);transition:border-color var(--km-motion-fast) var(--km-ease-out), background-color var(--km-motion-fast) var(--km-ease-out), color var(--km-motion-fast) var(--km-ease-out), transform .1s var(--km-ease-out);border:1px solid rgba(31,30,29,.14);font-size:.875rem;font-weight:500}.inline-action:hover:not(:disabled){background:var(--km-color-ghost-hover);border-color:rgba(31,30,29,.24)}.inline-action:active:not(:disabled){transform:scale(.98)}.inline-action:disabled{color:var(--km-color-disabled)}.message-actions--copy{margin-top:var(--km-space-2);opacity:0;transition:opacity var(--km-motion-fast) var(--km-ease-out)}.message-bubble--assistant:hover .message-actions--copy,.message-bubble--assistant:focus-within .message-actions--copy{opacity:1}.copy-action{width:var(--km-control-size-sm);height:var(--km-control-size-sm);border-radius:var(--km-radius-sm);color:var(--km-color-text-500);cursor:pointer;transition:background-color var(--km-motion-fast) var(--km-ease-out), color var(--km-motion-fast) var(--km-ease-out), transform .1s var(--km-ease-out);background:0 0;border:0;justify-content:center;align-items:center;display:inline-flex}.copy-action:hover{background:var(--km-color-ghost-hover);color:var(--km-color-text-100)}.copy-action:active{transform:scale(.96)}.copy-action:focus-visible{outline:2px solid var(--km-color-focus);outline-offset:2px}.copy-action--copied{color:var(--km-color-brand-emphasis)}.copy-action-icons{flex-shrink:0;width:18px;height:18px;display:inline-flex;position:relative}.copy-action-glyph{transition:opacity var(--km-motion-fast) var(--km-ease-out), transform var(--km-motion-fast) var(--km-ease-out);justify-content:center;align-items:center;display:inline-flex;position:absolute;top:0;bottom:0;left:0;right:0}.copy-action-glyph--check,.copy-action--copied .copy-action-glyph--copy{opacity:0;transform:scale(.5)}.copy-action--copied .copy-action-glyph--check{opacity:1;transform:scale(1)}@media (pointer:coarse){.message-actions--copy{opacity:1}}@media (prefers-reduced-motion:reduce){.message-actions--copy,.copy-action,.copy-action-glyph{transition:none}}.error-banner{margin:0 0 var(--km-space-3);color:var(--km-color-brand-emphasis);font-size:.875rem;line-height:1.4}.composer-with-pet{--ai-pet-size:72px;--ai-pet-offset-x:18px;--ai-pet-offset-y:-55px;isolation:isolate;position:relative}.composer{z-index:2;column-gap:var(--km-space-3);border-radius:var(--km-radius-composer);background:var(--km-color-bg-000);box-shadow:var(--km-shadow-composer);transition:background-color var(--km-motion-base) var(--km-ease-out), box-shadow var(--km-motion-base) var(--km-ease-out), opacity var(--km-motion-base) var(--km-ease-out);border:1px solid transparent;grid-template-columns:minmax(0,1fr) auto;align-items:end;padding:14px;display:grid;position:relative}.composer:hover,.composer:focus-within{box-shadow:var(--km-shadow-composer-focus)}.composer-input{min-width:0}.composer textarea{width:100%;min-height:var(--km-composer-min-textarea);max-height:var(--km-composer-max-height);resize:none;color:var(--km-color-text-100);scrollbar-color:rgba(31,30,29,.35) transparent;scrollbar-width:thin;background:0 0;border:0;outline:0;padding:6px;line-height:1.5;display:block;overflow-y:auto}.composer textarea::placeholder{color:var(--km-color-text-500)}.composer-length-warning{margin:var(--km-space-1) 6px 0;color:var(--km-color-brand);font-size:.75rem;font-weight:500;line-height:1.35}.composer-length-warning--limit{color:var(--km-color-brand-emphasis)}.send-button{width:var(--km-control-size);height:var(--km-control-size);border-radius:var(--km-radius-sm);background:var(--km-color-brand);color:var(--km-color-bg-000);transition:background-color var(--km-motion-fast) var(--km-ease-out), color var(--km-motion-fast) var(--km-ease-out), opacity var(--km-motion-fast) var(--km-ease-out), transform .1s var(--km-ease-out);border:0;justify-content:center;align-items:center;padding:0;display:inline-flex}.send-button:hover:not(:disabled){background:var(--km-color-brand-emphasis)}.send-button:active:not(:disabled){transform:scale(.97)}.send-button:disabled{background:var(--km-color-ghost-hover);color:var(--km-color-disabled)}.send-icon{display:block}.ai-pet{width:var(--ai-pet-size,64px);height:var(--ai-pet-size,64px);object-fit:contain;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;display:block}.ai-pet--composer{top:var(--ai-pet-offset-y);right:var(--ai-pet-offset-x);z-index:1;position:absolute}.ai-pet-dev-page{min-height:100vh;padding:var(--km-space-8) var(--km-space-6);background:radial-gradient(circle at 20% 10%, rgba(142,237,53,.14), transparent 32rem), var(--km-color-bg-100)}.ai-pet-dev-header{width:min(100%, var(--km-chat-column));margin:0 auto var(--km-space-8);text-align:center}.ai-pet-dev-grid{gap:var(--km-space-4);grid-template-columns:repeat(4,minmax(0,1fr));width:min(100%,920px);margin:0 auto;display:grid}.ai-pet-dev-card{gap:var(--km-space-2);border-radius:var(--km-radius-md);background:var(--km-color-bg-000);padding:var(--km-space-4);text-align:center;border:1px solid rgba(31,30,29,.1);align-content:start;display:grid;box-shadow:0 16px 48px rgba(31,30,29,.08)}.ai-pet-dev-card p{color:var(--km-color-text-100);margin:0;font-weight:600}.ai-pet-dev-card code{color:var(--km-color-text-500);font-family:var(--km-font-mono);font-size:.75rem}.ai-pet-dev-preview{border-radius:var(--km-radius-sm);background-image:linear-gradient(45deg,#ecebe9 25%,transparent 25%),linear-gradient(-45deg,#ecebe9 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ecebe9 75%),linear-gradient(-45deg,transparent 75%,#ecebe9 75%);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px;place-items:center;min-height:128px;display:grid}.ai-pet-dev-preview .ai-pet{--ai-pet-size:96px}.ai-pet-dev-composer{width:min(100%, var(--km-chat-column));margin:var(--km-space-8) auto 0;padding-top:calc(var(--ai-pet-size,64px) + var(--km-space-4))}.composer--ai-pet-preview{min-height:76px}.ai-pet-dev-placeholder{color:var(--km-color-text-500);padding:6px;line-height:1.5;display:block}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes dot-pulse{0%,5%{opacity:.3;animation-timing-function:var(--km-ease-out)}15%,25%{opacity:1;animation-timing-function:var(--km-ease-out)}65%,to{opacity:.3}}@keyframes message-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width:640px){.app-shell{padding:var(--km-space-4);place-items:stretch stretch}.chat-screen,.chat-screen--active{width:100%;height:100%;min-height:0;margin-left:0;margin-right:0}.chat-screen--active{width:calc(100% + (var(--km-space-4) * 2));margin-inline:calc(var(--km-space-4) * -1)}.chat-header,.chat-screen--active .chat-header{min-height:36px}.intro-copy{padding:var(--km-space-5) 0}.subtitle{font-size:.9375rem}h1{font-size:3rem}.message-bubble--user{max-width:90%}.chat-screen--active .chat-header,.chat-screen--active .error-banner,.chat-screen--active .composer-with-pet{width:calc(100% - (var(--km-space-4) * 2))}.chat-screen--active .chat-history{padding-inline:var(--km-space-4)}.composer-with-pet{--ai-pet-size:56px;--ai-pet-offset-y:-44px}.composer{border-radius:var(--km-radius-lg);width:100%;padding:var(--km-space-3)}.ai-pet-dev-page{padding:var(--km-space-6) var(--km-space-4)}.ai-pet-dev-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}.animated-title{transition:none}}