:root{--navy:#172d47;--gold:#c79b43;--muted:#617080;--line:#e0ddd5}*{box-sizing:border-box}body{margin:0;background:#faf8f3;color:var(--navy);font:18px/1.6 system-ui,sans-serif}header{padding:22px max(20px,calc((100vw - 1150px)/2));display:flex;gap:28px;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}a{color:inherit}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:19px;font-weight:750;letter-spacing:.06em}.brand img{width:54px;height:54px;object-fit:contain}.brand small{display:block;font-size:10px;letter-spacing:.15em}nav{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;font-size:12px;font-weight:700}nav a{text-decoration:none;padding:5px 0}a:hover{text-decoration:underline}main{max-width:850px;margin:38px auto 55px;padding:0 22px}.eyebrow{text-align:center;font-size:12px;letter-spacing:.12em;color:#7e5c24;font-weight:750}h1{font:500 clamp(34px,6vw,50px)/1.2 Georgia;text-align:center;margin:14px 0}.welcome{text-align:center;color:var(--muted);margin-bottom:28px}.chat-card{padding:32px clamp(20px,5vw,52px);border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:14px;background:#fff;box-shadow:0 12px 40px #172d4708}.partner-mark{border:1px solid #d8c7a6;background:#fcf7eb;border-radius:50%;width:74px;height:74px;margin:0 auto 14px;display:grid;place-items:center;font:28px Georgia;color:#93712e}h2{text-align:center;font:500 28px Georgia;margin:12px 0}#status{text-align:center;min-height:30px;margin-bottom:6px}.mic-state{text-align:center;font-size:13px;color:var(--muted);margin:0 0 24px}.mic-state.live{color:#2e755d}button{font:700 13px/1.4 system-ui;letter-spacing:.025em;border:1px solid #bec8d1;background:white;color:var(--navy);border-radius:8px;padding:13px 18px;min-height:46px;cursor:pointer}button:hover{background:#f7f3ea}button:disabled{opacity:.48;cursor:default}.gold{background:var(--gold);border-color:var(--gold);font-size:16px;padding:16px 30px;display:block;margin:10px auto 25px}.gold:hover{background:#dbb56d}.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:12px 0}.end{color:#8c403a;border-color:#dcc4c1}details{border-top:1px solid var(--line);margin-top:20px;padding-top:15px;font-size:15px}summary{cursor:pointer;font-weight:600}.small{font-size:13px;line-height:1.65;color:var(--muted);margin:24px 0 0}.below{text-align:center}label{display:block;font-weight:600;font-size:14px;margin:16px 0 6px}select,textarea{width:100%;font:inherit;padding:12px;border:1px solid #bec8d1;border-radius:7px;color:var(--navy);background:#fff}textarea{min-height:90px}#transcript{max-height:300px;overflow:auto}#transcript p{margin:12px 0;padding:10px;border-radius:6px;background:#f4f6f8}#transcript .student{background:#faf4e7}.feedback{background:#faf4e7;border-radius:8px;padding:18px;margin:20px 0}.feedback h3{font:23px Georgia;margin:0}.connection{font-size:14px;text-align:center;color:#805c21}.privacy{color:var(--muted)}footer{text-align:center;background:#fff;border-top:1px solid var(--line);padding:30px 20px}footer p{font-size:13px;margin:6px 0 18px}*:focus-visible{outline:3px solid #3b7097;outline-offset:4px}[hidden]{display:none!important}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff}.preview-banner{text-align:center;padding:10px;background:#172d47;color:#fff;font-size:13px}@media(max-width:650px){header{flex-direction:column;gap:15px;padding:16px}main{margin-top:25px;padding:0 14px}.chat-card{padding:25px 18px}.actions button{flex:1}.eyebrow{font-size:10px}}

/* Approved October 13 visual design */
body{background:#faf7f0}header{background:var(--navy);border-bottom:4px solid #b5904e;color:white}.brand{color:#e6bc66;font-family:Georgia,serif;font-size:25px;font-weight:500}.brand img{width:92px;height:45px;object-fit:cover;object-position:50% 45%}.brand small{display:none}main{max-width:940px}.chat-card{background:transparent;border:0;box-shadow:none;padding-top:8px}.welcome{color:var(--navy)}.orb{width:clamp(180px,28vw,290px);aspect-ratio:1;border-radius:50%;margin:35px auto 48px;background:radial-gradient(ellipse at 68% 23%,#bbd7eb 0%,#759fc1 22%,#547ea4 48%,#365b7c 73%,#203a50 100%);box-shadow:inset -12px -15px 22px #152e4b55,inset 9px 5px 22px #e9f3fb55,0 24px 17px -17px #25313d66;transform-origin:center;transition:filter .3s}.orb.speaking{animation:speaking 1.2s ease-in-out infinite}.orb.listening{filter:brightness(1.08)}@keyframes speaking{0%,100%{transform:scale(1)}50%{transform:scale(1.045);filter:brightness(1.12)}}.voice-choice{max-width:380px;margin:auto;text-align:center}.voice-choice label{font-size:19px;font-weight:500}.voice-choice .small{margin:8px 0 20px}select{background:#fffcf7}.gold{width:100%;border-radius:48px;background:#936b27;color:#fff;border-color:#936b27;display:flex;align-items:center;justify-content:center;gap:16px;font-size:22px;letter-spacing:.12em}.gold:hover{background:#805b20}.gold svg{width:30px;height:34px}.actions button{border-radius:25px;background:transparent;border-color:#9a7940;font-weight:500;letter-spacing:0}.welcome-panel{max-width:720px;margin:24px auto;padding:20px 24px;border-left:3px solid #b58a3b;background:#f1e8d6;font-size:15px}.welcome-panel p{margin:8px 0 15px}.welcome-panel button{background:transparent}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}footer{background:transparent}footer>strong,footer>p{display:none}#status{font-size:16px}#conversation{padding:22px 0}#conversation summary{font-weight:400;font-size:18px}.preview-tools{padding:16px;border:1px dashed #9a7940;border-radius:8px;margin:24px auto;text-align:center;font-size:14px}.preview-tools button{margin:5px}@media(prefers-reduced-motion:reduce){.orb.speaking{animation:none;outline:3px solid #b58a3b;outline-offset:8px}}@media(max-width:650px){h1{font-size:34px}.brand{font-size:22px}.orb{margin:26px auto 35px}.gold{font-size:19px}}