:root{font:16px/1.5 system-ui,sans-serif;color:#233329;background:#f6f7f1}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a{cursor:pointer}button,.primary{border:1px solid #cad3c6;border-radius:9px;padding:9px 15px;background:white;color:#284e35;text-decoration:none}button:hover,a:hover{filter:brightness(.95)}.primary{background:#326342;color:white;border:0}header{display:flex;align-items:center;gap:24px;padding:22px 4%;border-bottom:1px solid #dbe1d6;flex-wrap:wrap}.brand{font-weight:750;font-size:22px;text-decoration:none;color:inherit}.brand span{margin-left:12px}.badge{font-size:11px;letter-spacing:.12em;color:#6c7866}header .primary{margin-left:auto}nav{display:flex;gap:8px;padding:14px 4%;align-items:center}nav button{background:transparent;border:0}nav button.active{background:#e2eadc}#username{margin-left:auto;color:#6c7866}main{padding:0 4% 24px}.layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(250px,3fr);gap:22px;height:calc(100vh - 180px);min-height:450px}.conversation{display:flex;flex-direction:column;min-height:0;background:white;border:1px solid #dde3d7;border-radius:16px;overflow:hidden}#messages{flex:1;overflow:auto;padding:24px;scroll-behavior:smooth}.message{white-space:pre-wrap;overflow-wrap:anywhere;margin-bottom:18px;max-width:95%}.message.user{padding:14px;border-radius:12px;background:#eef2e7;margin-left:auto}.message.activity{font-size:13px;border-left:3px solid #a6b99b;padding-left:12px;color:#5c6a55}.message.sample{border:1px dashed #92a184;background:#f8faed;padding:14px;border-radius:9px}.message.error{color:#933c37}#composer{padding:18px;border-top:1px solid #e2e6de}label{display:block;font-size:14px;margin-bottom:8px}textarea,input{width:100%;border:1px solid #ccd5c6;border-radius:9px;padding:12px;background:#fff;color:inherit;resize:vertical}textarea:focus,input:focus{outline:2px solid #749663}.controls{display:flex;align-items:center;gap:12px;margin-top:10px}#status{font-size:12px;color:#73806b;margin-right:auto}aside{overflow:auto;background:#edf1e7;border-radius:16px;padding:22px}aside h2{margin-top:0}aside p{font-size:14px;color:#63705c}aside a{display:block;margin:16px 0;color:#285a38}aside button{margin-top:8px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px}.card{border:1px solid #d6dece;border-radius:14px;padding:22px;background:white}.card h2{margin-top:0;font-size:21px}.card pre{white-space:pre-wrap;font-size:12px;overflow-wrap:anywhere}.auth{max-width:460px;margin:8vh auto;padding:24px}.auth h1{font-size:36px;line-height:1.15}.auth button{width:100%;margin-top:18px}#notice:not(:empty){position:fixed;bottom:16px;left:5%;right:5%;padding:14px;background:#273e2d;color:white;border-radius:10px;z-index:10}[hidden]{display:none!important}@media(max-width:750px){header{gap:12px}.badge{display:none}header .primary{font-size:12px;padding:9px}.brand{font-size:17px}main{padding:0 12px}.layout{display:flex;flex-direction:column;height:auto}.conversation{height:70vh;min-height:450px}aside{max-height:420px}nav{padding:12px}#username{display:none}#messages{padding:16px}.cards{grid-template-columns:1fr}.controls{flex-wrap:wrap}}