:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#172033;background:#f3f6fb;font-synthesis:none}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}main{width:min(760px,calc(100% - 32px));margin:0 auto;padding:64px 0}header{margin-bottom:24px}header a{color:#3857d6;font-weight:700;text-decoration:none}h1{max-width:650px;margin:12px 0;font-size:clamp(2rem,6vw,4rem);line-height:1;letter-spacing:-.04em}header p{max-width:620px;color:#5d687c;font-size:1.05rem;line-height:1.6}.demo{min-height:420px;padding:20px;border:1px solid #dce3ef;border-radius:20px;background:#fff;box-shadow:0 18px 60px #2432501a}[data-ak-app-chat]{display:grid;gap:16px}[data-ak-assistant-content]{padding:12px 14px;border-radius:14px;background:#edf2ff;line-height:1.55}textarea,input{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:12px;font:inherit}button{padding:10px 16px;border:0;border-radius:999px;color:#fff;background:#3857d6;font:inherit;font-weight:700;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}@media(max-width:520px){main{padding:36px 0}.demo{padding:14px;border-radius:16px}}