:root{color-scheme:dark;--ink:#ebfaf5;--muted:#aac7cc;--mint:#65e4be;--bg:#071521;--panel:#0d2533;--edge:#31515e;font-family:Inter,ui-sans-serif,system-ui,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(circle at 75% 0%,#10494088,transparent 42%),var(--bg);min-height:100vh}
.layout{max-width:980px;margin:auto;width:calc(100% - 40px)}a{color:inherit}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:10px;z-index:100;background:#fff;color:#111;padding:10px}
.site-header{border-bottom:1px solid #ffffff1c;background:#071521ec}.top{min-height:75px;display:flex;align-items:center;justify-content:space-between;gap:15px}.brand{text-decoration:none;font-size:24px;font-weight:900;letter-spacing:-1px}.brand span{color:var(--mint)}.brand strong{font-size:10px;letter-spacing:0;border:1px solid #397b6b;padding:6px 9px;border-radius:8px;margin-left:9px;color:var(--mint);vertical-align:middle}.top nav{display:flex;gap:20px}.top nav a{font-size:12px;color:#bcd5dc;text-decoration:none}.top nav a:hover{color:var(--mint)}
.intro{padding:60px 0 28px}.eyebrow{font-weight:800;font-size:11px;letter-spacing:1.9px;color:var(--mint)}h1{font-size:clamp(34px,5vw,56px);letter-spacing:-2px;margin:12px 0;line-height:1.1}h1 em{font-style:normal;color:var(--mint)}.intro p{max-width:700px;color:var(--muted);font-size:15px;line-height:1.7}
.chat-shell{background:var(--panel);border:1px solid var(--edge);border-radius:20px;box-shadow:0 28px 90px #020d1a88;overflow:hidden}.panel-title{display:flex;align-items:center;gap:14px;padding:21px 25px;border-bottom:1px solid var(--edge)}.agent-mark{width:42px;height:42px;display:grid;place-items:center;background:#175345;color:var(--mint);border-radius:12px;font-size:24px}.panel-title h2{margin:0;font-size:16px}.panel-title h2 span{font-size:12px;color:#95b6bd;font-weight:500}.panel-title p{margin:7px 0 0;color:#c1cdd3;font-size:12px}
.conversation{min-height:260px;max-height:380px;overflow-y:auto;display:flex;flex-direction:column;align-items:flex-start;gap:16px;padding:25px}.bubble{max-width:84%;border-radius:12px;padding:14px 17px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.7}.bubble.bot{background:#1b3d4b;color:#e1f3f5;border-top-left-radius:4px}.bubble.visitor{background:#276c5e;color:#fff;align-self:flex-end;border-top-right-radius:4px}
.compose-panel{border-top:1px solid var(--edge);padding:18px 24px 22px}.turnstile{min-height:0}.security-status{color:#a8c8ce;font-size:12px;margin:0 0 12px}.form textarea{font:inherit;width:100%;resize:vertical;min-height:84px;max-height:180px;background:#102e3e;border:1px solid #42636c;border-radius:11px;padding:13px 16px;color:#fff;font-size:14px}.form textarea::placeholder{color:#94acb5}.form textarea:disabled{opacity:.62}.actions{display:flex;align-items:center;justify-content:flex-end;gap:14px;margin-top:12px;flex-wrap:wrap}.remaining{margin-right:auto;font-size:11px;color:#91b2ba}.actions button{border:0;border-radius:8px;padding:12px 18px;font-weight:800;color:#0a2d26;background:var(--mint);font-size:13px;cursor:pointer}.actions button:disabled{cursor:not-allowed;opacity:.55}.actions #stop{background:#263e4b;color:#e8f7fa;border:1px solid #5f7881}.notice{color:#c8d9de;font-size:12px;margin:10px 0 0;min-height:18px}.footnote{font-size:12px;line-height:1.7;color:#9bb2bb;margin:24px 0 70px}.footnote a{color:#91e7d2}
:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
@media(max-width:650px){.layout{width:calc(100% - 26px)}.top{min-height:66px}.brand{font-size:18px}.brand strong{font-size:9px;margin-left:4px}.top nav{gap:8px}.top nav a{font-size:11px}.intro{padding-top:38px}.panel-title{padding:15px}.conversation{padding:16px;min-height:260px;max-height:50vh}.bubble{max-width:95%;font-size:13px}.compose-panel{padding:15px}.remaining{width:100%}.actions button{flex:1}.form textarea{font-size:16px}}