:root{--header-height: 72px;color:#111329;background:#f4f4f5;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;min-height:100%;margin:0}body{overflow:hidden}button,textarea{font:inherit}.app-shell{display:grid;grid-template-rows:minmax(0,1fr);width:100%;height:100%;min-height:100%;background:linear-gradient(180deg,#ffffffdb,#f4f4f5f0 38%),#f4f4f5}.topbar{position:fixed;z-index:10;top:0;right:0;left:0;overflow:hidden;display:flex;align-items:center;justify-content:center;height:var(--header-height);padding:10px 24px;border-bottom:1px solid rgba(255,255,255,.46);background:linear-gradient(180deg,#ffffff94,#ffffff38),#f4f4f575;box-shadow:0 6px 14px #1c1d260b,inset 0 -1px #ffffff9e;backdrop-filter:blur(5px) saturate(170%);-webkit-backdrop-filter:blur(5px) saturate(170%)}.topbar:after{position:absolute;right:0;bottom:-1px;left:0;height:1px;background:linear-gradient(90deg,#fff0,#ffffffe6,#fff0);content:""}.brand-logo{display:block;width:100px;height:auto;filter:drop-shadow(0 8px 14px rgba(18,19,28,.14))}.chat-surface{display:grid;grid-template-rows:minmax(0,1fr) auto auto;height:100%;min-height:0;background:#f4f4f5}.message-list{display:flex;flex-direction:column;gap:14px;min-height:0;overflow-y:auto;padding:calc(var(--header-height) + 28px) max(18px,calc((100vw - 860px)/2)) 18px}.message{display:flex;width:100%;animation:message-enter .24s cubic-bezier(.2,.8,.2,1) both}.message-user{justify-content:flex-end;transform-origin:right bottom}.message-assistant{justify-content:flex-start;transform-origin:left bottom}.message-bubble{max-width:min(680px,84%);overflow-wrap:anywhere;border:1px solid #d8d8dc;border-radius:8px;padding:12px 14px;color:#1a1b2f;background:#fff;line-height:1.45;box-shadow:0 1px 2px #1414230d}.message-bubble>:first-child{margin-top:0}.message-bubble>:last-child{margin-bottom:0}.message-bubble p{margin:0 0 10px}.message-bubble :where(h1,h2,h3,h4,h5,h6){margin:12px 0 8px;color:inherit;font-size:1rem;line-height:1.3}.message-bubble ul,.message-bubble ol{margin:8px 0 10px;padding-left:22px}.message-bubble li{margin:4px 0}.message-bubble li>p{margin:0}.message-bubble a{color:inherit;font-weight:600;text-decoration:underline;text-underline-offset:2px}.message-bubble blockquote{margin:10px 0;border-left:3px solid #b7b8be;padding:2px 0 2px 12px;color:#474953}.message-bubble code{border-radius:5px;padding:1px 5px;background:#11132914;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.92em}.message-bubble pre{max-width:100%;overflow-x:auto;margin:10px 0;border-radius:8px;padding:12px;background:#202230;color:#fff}.message-bubble pre code{display:block;padding:0;background:transparent;color:inherit;white-space:pre}.message-bubble table{display:block;max-width:100%;overflow-x:auto;margin:10px 0;border-collapse:collapse}.message-bubble th,.message-bubble td{border:1px solid #d8d8dc;padding:6px 8px;text-align:left}.message-bubble hr{height:1px;margin:14px 0;border:0;background:#d8d8dc}.message-user .message-bubble{border-color:#52545c;color:#fff;background:#52545c;white-space:pre-wrap}.message-user .message-bubble code{background:#ffffff29}.message-user .message-bubble blockquote{border-left-color:#ffffff7a;color:#ffffffe0}.message-error .message-bubble{border-color:#c94c4c;color:#731f1f;background:#fff5f5}.message-loading{display:inline-flex;gap:5px;align-items:center;min-width:50px;min-height:42px;padding-right:16px;padding-left:16px}.message-loading span{width:7px;height:7px;border-radius:999px;background:#6f7075;opacity:.38;transform:translateY(0);animation:typing-dot 2.15s cubic-bezier(.45,0,.25,1) infinite;animation-fill-mode:both}.message-loading span:nth-child(2){animation-delay:.18s}.message-loading span:nth-child(3){animation-delay:.36s}.starter-prompts{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:0 18px 18px}.starter-prompt{min-height:42px;border:1px solid #c6c7cc;border-radius:8px;padding:8px 12px;color:#202230;background:#fff;cursor:pointer}.starter-prompt:hover{border-color:#72747c}.composer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end;padding:14px max(18px,calc((100vw - 860px)/2)) 20px;border-top:1px solid #d8d8dc;background:#eeeeef}.composer-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.composer-input{min-height:46px;max-height:140px;overflow-y:hidden;resize:none;border:1px solid #c6c7cc;border-radius:8px;padding:11px 12px;color:#171827;background:#fff;line-height:1.4;transition:height .14s ease}@keyframes message-enter{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes typing-dot{0%,13%,35%,to{opacity:.38;transform:translateY(0)}24%{opacity:1;transform:translateY(-5px)}}@media(prefers-reduced-motion:reduce){.message,.message-loading span{animation:none}}.composer-input:focus,.starter-prompt:focus-visible,.send-button:focus-visible{outline:2px solid #6f7075;outline-offset:2px}.send-button{min-width:96px;min-height:46px;border:1px solid #52545c;border-radius:8px;padding:0 18px;color:#fff;background:#52545c;cursor:pointer}.send-button:disabled{border-color:#a8a9ae;background:#a8a9ae;cursor:not-allowed}.turnstile-container{position:fixed;right:16px;bottom:86px;z-index:20;width:min(300px,calc(100vw - 32px))}@media(max-width:640px){:root{--header-height: 68px}.brand-logo{width:92px}.message-list{padding-top:calc(var(--header-height) + 18px)}.message-bubble{max-width:92%}.starter-prompts{align-items:stretch;flex-direction:column}.composer{grid-template-columns:minmax(0,1fr)}.send-button{width:100%}}