:root{color-scheme:dark;--bg:#071116;--panel:#0b1a21;--line:#1d343d;--ink:#eefbf5;--muted:#8da6a1;--green:#4ee1a0;--green2:#baffda;--danger:#ff8c88;font:16px/1.5 Inter,ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 75% 18%,#12352f 0,transparent 28rem),var(--bg)}button,input,textarea{font:inherit}.shell{width:min(1080px,calc(100% - 32px));margin:auto;padding:28px 0}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8vh}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:750;text-decoration:none;letter-spacing:-.02em}.mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid #4ee1a066;border-radius:10px;color:var(--green);background:#10261f}.privacy{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.875rem}.privacy span{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 14px var(--green)}.join-card{display:grid;grid-template-columns:1.2fr .8fr;gap:9vw;align-items:end;padding:6vh 0}.eyebrow{margin:0 0 16px;color:var(--green);font-size:.75rem;font-weight:800;letter-spacing:.16em}.intro h1{margin:0;font-size:clamp(3rem,7vw,6.4rem);line-height:.93;letter-spacing:-.065em}.intro>p:last-child{max-width:32rem;margin:30px 0 0;color:var(--muted);font-size:1.1rem}label{display:block;margin:0 0 20px;color:#b9cbc6;font-size:.875rem;font-weight:650}input,textarea{width:100%;margin-top:8px;border:1px solid var(--line);border-radius:12px;outline:0;color:var(--ink);background:#0a171d;padding:15px 16px;transition:.2s}input:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #4ee1a018}button{border:0;cursor:pointer}.join-card form>button{display:flex;width:100%;justify-content:space-between;margin-top:8px;padding:16px 18px;border-radius:12px;color:#052016;background:var(--green);font-weight:800}.fine{color:#6f8984;font-size:.78rem}.error{min-height:24px;color:var(--danger);font-size:.85rem}.chat{height:min(720px,78vh);border:1px solid var(--line);border-radius:24px;background:#08161cbb;backdrop-filter:blur(16px);overflow:hidden}.chat-top,.chat-foot{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--line)}.chat-top .eyebrow{margin:0}.chat-top h2{margin:2px 0 0;font-size:1.15rem}.state{padding:7px 11px;border-radius:999px;color:var(--green2);background:#4ee1a014;font-size:.8rem}.state.waiting{color:#d9c887;background:#d9c88712}.messages{height:calc(100% - 176px);padding:24px;overflow:auto}.empty{display:grid;height:100%;place-content:center;text-align:center;color:var(--muted)}.empty strong{color:#b8cac5}.empty span{font-size:.875rem}.bubble{max-width:76%;margin:10px 0;padding:11px 14px;border-radius:16px 16px 16px 4px;background:#142831;overflow-wrap:anywhere}.bubble.mine{margin-left:auto;border-radius:16px 16px 4px 16px;color:#062117;background:var(--green)}.composer{display:flex;gap:10px;padding:12px 18px;border-top:1px solid var(--line)}.composer textarea{resize:none;margin:0;max-height:120px}.composer button{flex:0 0 48px;border-radius:12px;color:#052016;background:var(--green);font-size:1.5rem}.composer button:disabled{cursor:not-allowed;opacity:.25}.chat-foot{border:0;border-top:1px solid var(--line);color:#6f8984;font-size:.75rem}.chat-foot button{color:#a8bbb6;background:transparent}.chat-foot button:hover{color:var(--danger)}[hidden]{display:none!important}@media(max-width:760px){header{margin-bottom:3vh}.privacy{font-size:0}.join-card{grid-template-columns:1fr;gap:48px;padding:4vh 0}.intro h1{font-size:clamp(3rem,15vw,5rem)}.chat{height:80vh}.chat-top,.messages{padding-left:16px;padding-right:16px}.chat-foot span{display:none}.chat-foot{justify-content:flex-end}.bubble{max-width:88%}}