:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#17312b;background:#f4f1e9}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 85% 5%,#d4e8df 0,transparent 28%),#f4f1e9}header{padding:4rem max(6vw,1.5rem) 2rem;border-bottom:1px solid #cad4cd}.eyebrow{font-size:.78rem;letter-spacing:.15em;color:#527067}h1{font-family:Georgia,"Noto Serif SC",serif;font-size:clamp(2.4rem,6vw,5.2rem);line-height:1;margin:.5rem 0;color:#0b4b3d;max-width:12ch}header p{max-width:42rem;font-size:1.08rem;color:#4b6059}main{display:grid;grid-template-columns:minmax(12rem,18rem) minmax(0,52rem);gap:2rem;padding:2rem max(6vw,1.5rem);align-items:start}aside{position:sticky;top:1rem;padding:1rem 0}aside li{margin:.8rem 0;color:#527067}.card{background:#fffdf8;border:1px solid #d9d7ce;border-radius:1.2rem;padding:clamp(1.25rem,4vw,3rem);box-shadow:0 1.2rem 4rem #17312b14}.status,.meta{color:#61746e}.error{padding:1rem;background:#fff0ec;color:#853b2f;border-left:4px solid #c45b48}label{display:block;margin:1rem 0}.mode{display:inline-block;padding:.35rem .6rem;border-radius:2rem;background:#fff0c8;color:#624c12;font-weight:700}textarea,input[type=file]{width:100%;margin:.4rem 0 1rem;border:1px solid #aebdb6;border-radius:.7rem;padding:.8rem;background:#fff}button{border:0;border-radius:999px;background:#0b604e;color:#fff;padding:.78rem 1.25rem;font-weight:700;cursor:pointer;margin:.35rem .5rem .35rem 0}button.secondary{background:#e5ece8;color:#214d42}button:disabled{cursor:not-allowed;opacity:.45}.actions{display:flex;flex-wrap:wrap}.conversation{list-style:none;margin:0 0 1.5rem;padding:0;display:grid;gap:.8rem}.conversation li{max-width:86%;padding:.8rem 1rem;border-radius:1rem;background:#eaf2ee;color:#214d42}.conversation li.participant{justify-self:end;background:#0b604e;color:#fff}.conversation li.fallback{background:#fff0c8;color:#624c12}footer{padding:1rem max(6vw,1.5rem) 3rem;color:#6b7974;font-size:.85rem}[hidden]{display:none!important}@media(max-width:720px){main{grid-template-columns:1fr}aside{position:static}header{padding-top:2.5rem}}