:root{color-scheme:dark;--bg:#10191e;--card:#17252c;--ink:#e8f1ee;--muted:#a2b6b5;--accent:#a9dfbd;--border:#30464a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}main{max-width:980px;margin:auto;padding:30px 28px 25px}header{display:flex;justify-content:space-between;align-items:center;gap:18px}.brand{text-decoration:none;font-weight:800;letter-spacing:.04em;color:var(--ink);font-size:19px}.brand span{font-weight:400;color:var(--muted)}.badge{font-size:12px;background:#20392f;color:#b9e5c6;border:1px solid #405e4b;border-radius:30px;padding:5px 12px}.intro{padding:46px 0 24px}.eyebrow{font-size:11px;letter-spacing:.22em;color:var(--accent);font-weight:700}h1{font-size:clamp(34px,6vw,58px);letter-spacing:-.045em;line-height:1.08;margin:16px 0}h1 span{color:var(--accent)}.intro>p:last-child{color:var(--muted)}h2{font-size:18px;margin:0 0 4px}.panel{border:1px solid var(--border);border-radius:18px;background:var(--card);padding:22px}.voice{display:flex;align-items:center;gap:20px}.voice>div:nth-child(2){flex:1}.voice p{margin:0;color:var(--muted);font-size:14px}.orb{width:62px;height:62px;display:grid;place-items:center;font-size:33px;background:#2a4f40;color:var(--accent);border-radius:50%;flex:none}.orb.listening{box-shadow:0 0 0 8px #a9dfbd15;animation:pulse 1.5s infinite}button{font:inherit;font-size:14px;color:var(--ink);border:1px solid #456165;background:#20343c;border-radius:10px;padding:10px 16px;cursor:pointer;white-space:nowrap}button:hover{background:#2e4851}button:focus-visible,textarea:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:disabled{opacity:.5;cursor:default}.primary{background:var(--accent);color:#122c20;border-color:var(--accent);font-weight:650}.primary:hover{background:#c7efd5}.danger{border-color:#ad746f;color:#ffd4cd}.suggestions{display:flex;gap:10px;margin:18px 0}.suggestions button{font-size:13px;background:transparent}.conversation-head{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--border);padding-bottom:14px}.conversation-head span{font-size:12px;color:var(--muted)}#messages{min-height:100px;max-height:400px;overflow:auto;padding:12px 0}.message{padding:12px 14px;margin:8px 0;border-radius:12px;background:#20343b;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{background:#29463a;margin-left:12%}.message .who{display:block;color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.05em;margin-bottom:4px}.message.assistant{margin-right:8%}#message-form,#login-form{display:flex;align-items:flex-end;gap:10px}textarea,input{background:#101d23;color:var(--ink);border:1px solid #3b5358;border-radius:10px;font:inherit;padding:12px;width:100%;resize:vertical}#message-form button{height:49px}.status{font-size:13px;color:#c4cfad;min-height:20px}details{font-size:13px;color:var(--muted);margin-top:18px}summary{cursor:pointer;color:var(--ink)}footer{display:flex;justify-content:space-between;margin-top:30px;font-size:12px;color:var(--muted)}.hidden{display:none!important}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}@keyframes pulse{50%{box-shadow:0 0 0 13px #a9dfbd07}}@media(max-width:600px){main{padding:22px 16px}.intro{padding-top:30px}.voice{flex-wrap:wrap;padding:18px;gap:14px}.voice>button{width:100%}.orb{width:48px;height:48px}.suggestions{flex-wrap:wrap}.conversation{padding:16px}.conversation-head{align-items:flex-start;flex-direction:column;gap:2px}#message-form{flex-direction:column;align-items:stretch}#message-form button{align-self:flex-end}.message.user{margin-left:5%}.message.assistant{margin-right:5%}footer{gap:12px;flex-direction:column}}