:root{--teal:#0e5e64;--dark:#0a4448;--mid:#3f8f8a;--pale:#e3efee;--cream:#efebe4;--paper:#f8f5ef;--ink:#16292b;--muted:#4d6163;--line:#d6d0c4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}header{min-height:110px;display:flex;align-items:center;gap:24px;padding:15px max(24px,calc((100vw - 1260px)/2));border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--teal);margin-right:auto;line-height:1.3}.brand img{height:85px;width:auto}.brand span{font-size:13px}.brand strong{font:700 24px Georgia,serif}main{max-width:1260px;margin:auto;padding:50px 24px}h1,h2,h3{font-family:Georgia,serif;color:var(--dark);line-height:1.16}h1{font-size:clamp(32px,4.5vw,64px);font-weight:500;margin:12px 0 24px}h2{font-size:27px;margin-top:0}h3{font-size:21px}p{margin:12px 0 22px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--teal);font-weight:700}#access{display:grid;grid-template-columns:1.1fr 1fr;gap:100px;align-items:center;min-height:640px}.intro{max-width:520px}.intro h1{font-size:clamp(52px,6vw,82px)}em{color:var(--mid)}.intro>p:not(.eyebrow){font-size:19px;color:var(--muted)}.tags{display:flex;flex-wrap:wrap;gap:8px}.tags span{border:1px solid var(--line);border-radius:30px;padding:5px 12px;font-size:12px}.access-card,.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px}.access-card{border-top:5px solid var(--teal);box-shadow:0 20px 60px #0e5e640b}.small{font-size:12px;color:var(--muted)}label{display:block;font-size:14px;font-weight:600;margin:15px 0 8px}input,textarea,select{display:block;width:100%;margin-top:6px;border:1px solid #a9bab9;border-radius:9px;padding:12px;font:inherit;font-weight:400;color:var(--ink);background:#fff}textarea{resize:vertical}button{font:600 14px system-ui;cursor:pointer;border:1px solid var(--teal);background:transparent;color:var(--teal);border-radius:9px;padding:12px 18px;margin:5px 0}button:hover{background:var(--pale)}button.primary{background:var(--teal);color:white}button:disabled{opacity:.55;cursor:wait}form>.primary{margin-top:16px}#join .primary{width:100%}details{margin:22px 0;border-top:1px solid var(--line);padding-top:18px}summary{cursor:pointer;color:var(--teal);font-weight:600}a{color:var(--teal)}:focus-visible{outline:3px solid #d99c42;outline-offset:4px}.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:white;z-index:10}.trainer-grid{display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:start}.formation-card{border:1px solid var(--line);padding:24px;border-radius:14px;margin-bottom:18px;background:white}.formation-card h3{margin-top:0}.formation-card button{margin-right:8px}.workspace-title{display:flex;align-items:center;justify-content:space-between}.workspace-title h1{font-size:40px}#modes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}#modes button[aria-pressed=true]{background:var(--teal);color:white}.workspace{display:grid;grid-template-columns:270px 1fr;gap:26px;align-items:start}.workspace aside{padding:24px}.workspace aside h2{font-size:23px}.exercise-card{border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:20px}.exercise-card h3{font-size:18px}.exercise-card p{font-size:14px;white-space:pre-wrap}.message{border-radius:12px;padding:16px 20px;margin:12px 0;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{background:var(--cream);margin-left:8%}.message.assistant{background:var(--pale);margin-right:8%}.message strong{display:block;font-size:12px;color:var(--teal);margin-bottom:7px}#messages{max-height:560px;overflow:auto}#studio{margin-top:30px;border-top:1px solid var(--line);padding-top:24px}#status{position:sticky;bottom:20px;background:var(--dark);color:white;padding:14px 22px;border-radius:12px;box-shadow:0 8px 30px #0002;white-space:pre-wrap}#status:empty{display:none}#access-code{overflow-wrap:anywhere;background:var(--pale);padding:12px}#access-code:empty{display:none}pre{white-space:pre-wrap;overflow-wrap:anywhere}footer{text-align:center;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding:25px}[hidden]{display:none!important}@media(max-width:850px){#access{gap:35px}.trainer-grid,.workspace{grid-template-columns:1fr}.workspace aside{order:2}.workspace-title{display:block}}@media(max-width:620px){header{padding:12px 18px;gap:10px}.brand img{height:65px}.brand strong{font-size:20px}#identity{font-size:12px}header button{font-size:11px;padding:8px}main{padding:30px 16px}#access{grid-template-columns:1fr;gap:24px}.intro h1{font-size:52px}.intro>p:not(.eyebrow){font-size:17px}.access-card,.panel{padding:22px}.message{margin-inline:0!important}#modes button{flex:1 1 30%;font-size:12px;padding:10px}.intro{padding:0 6px}}

.voice-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.voice-controls button[aria-pressed=true]{background:#8b3030;color:white;border-color:#8b3030}.check-label{display:flex;gap:10px;align-items:center}.check-label input{width:auto;margin:0}.exercise-mode{font-weight:700;color:var(--teal)}#voice-interim{font-size:14px;color:var(--muted)}

.library-panel{background:white;border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:28px}.library-filters{display:grid;grid-template-columns:1fr 1fr 2fr;gap:16px}.library-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.library-card{border:1px solid var(--line);border-radius:12px;padding:22px;min-width:0}.library-card h3{margin-top:0}.library-card details{font-size:14px}.library-panel .library-results{max-height:650px;overflow:auto}.library-card pre{font:inherit;line-height:1.6}@media(max-width:700px){.library-filters,.library-results{grid-template-columns:1fr}}