:root{--ink:#173b30;--green:#2d6a4f;--cream:#f8f4ea;--paper:#fffdf8;--muted:#557266}*{box-sizing:border-box}body{margin:0;min-width:320px;background:radial-gradient(circle at 0 0,#e4eedf 0,transparent 34%),var(--cream);color:var(--ink);font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}button{cursor:pointer}.shell{max-width:760px;min-height:100dvh;padding:20px 24px 30px;margin:auto}.topbar,.topbar-controls{display:flex;justify-content:space-between;align-items:center;gap:9px}.brand{font-size:.86rem;letter-spacing:.19em;font-weight:800;margin:0}.brand span,.eyebrow{color:var(--green)}.language,.end,.screen-control{min-height:42px;padding:0 14px;background:transparent;border:1px solid #b9caba;color:var(--ink);border-radius:999px;font-weight:700}.volume-control{display:flex;align-items:center;gap:5px;color:var(--green)}.volume-control input{width:58px;accent-color:var(--green)}.shell>.robot-avatar{margin:clamp(22px,5vh,48px) auto 0}.welcome{display:flex;flex-direction:column;align-items:center;text-align:center;padding:26px 0 30px}.robot-avatar{position:relative;display:grid;place-items:center;width:220px;height:135px;transition:transform .7s ease,filter .7s ease}.halo{position:absolute;width:150px;height:100px;border-radius:50%;border:1px solid #8cb78c55;background:radial-gradient(ellipse,#e0efda88 0,transparent 70%);animation:breathe 7s ease-in-out infinite}.eyes{position:relative;z-index:1;display:flex;gap:28px;align-items:center;justify-content:center;width:190px;height:100px;filter:drop-shadow(0 13px 18px #2d6a4f25)}.eye{position:relative;display:block;width:72px;height:37px;border:5px solid var(--green);border-top:0;border-radius:0 0 100px 100px;overflow:hidden;transform:skewX(-10deg)}.eye:last-child{transform:skewX(10deg)}.eye i{position:absolute;left:26px;bottom:5px;width:13px;height:13px;border-radius:50%;background:var(--green);transform:translate(calc(var(--gaze-x,0)*10px),calc(var(--gaze-y,0)*4px));transition:transform .8s ease;animation:look 7s ease-in-out infinite}.eye:after{position:absolute;inset:-4px -7px auto;height:43px;background:var(--cream);content:"";transform:translateY(-49px);animation:blink 6.8s infinite}.eye:last-child:after{animation-delay:.16s}.avatar-status{position:absolute;bottom:8px;width:8px;height:8px;border-radius:50%;background:#83ad79;opacity:.4}.robot-avatar[data-robot-state=NOTICED]{transform:scale(1.05)}.robot-avatar[data-robot-state=GREETING] .halo,.robot-avatar[data-robot-state=SPEAKING] .halo{animation-duration:1.8s;background:radial-gradient(ellipse,#b9dbaaaa 0,transparent 70%)}.robot-avatar[data-robot-state=SPEAKING]{transform:scale(calc(1 + var(--audio-level,0)*.06))}.robot-avatar[data-robot-state=LISTENING] .avatar-status{opacity:1;box-shadow:0 0 0 7px #83ad7933;animation:pulse 1.3s infinite}.robot-avatar[data-robot-state=THINKING] .eye i{animation-duration:1.4s}.robot-avatar[data-robot-state=SUCCESS]{transform:translateY(-4px)}.robot-avatar[data-robot-state=CONFUSED]{transform:rotate(-2deg)}.robot-avatar[data-robot-state=CLASS_MODE]{filter:saturate(.75);transform:scale(.98)}.eyebrow{margin:18px 0 8px;font-size:.87rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}h1{max-width:590px;margin:0;font-family:Georgia,serif;font-size:clamp(2.2rem,7vw,4.3rem);line-height:1.04;letter-spacing:-.04em}.talk-button{display:flex;justify-content:center;align-items:center;gap:13px;width:min(100%,430px);min-height:78px;border:0;border-radius:24px;margin:30px 0 13px;color:white;background:var(--green);font-size:1.2rem;font-weight:800;box-shadow:0 13px 24px #2d6a4f42}.talk-button span:first-child{color:#d8ebcf;font-size:1.75rem}.talk-button.is-on{background:#184838}.voice-note{color:var(--muted);margin:0 0 12px}.screen-control{margin-bottom:21px}.actions{display:grid;width:100%;grid-template-columns:repeat(2,1fr);gap:12px;text-align:left}.quick{min-height:62px;padding:14px;border:1px solid #d5ddce;border-radius:17px;background:var(--paper);color:var(--ink);font-weight:700;font-size:1rem;text-align:left;box-shadow:0 4px 13px #1432220b}.quick:hover,.quick:focus{border-color:var(--green);outline:3px solid #d5ead5}.hidden{display:none!important}.conversation{min-height:calc(100dvh - 270px);display:flex;flex-direction:column}.session-head{display:flex;gap:15px;justify-content:space-between;align-items:flex-start;padding:10px 0 17px;border-bottom:1px solid #d5ddce}.session-head .eyebrow{margin:5px 0}.session-head h1{font-size:clamp(1.4rem,5vw,2.1rem)}.messages{display:flex;flex:1;flex-direction:column;gap:7px;padding:15px 0 10px;overflow:auto}.subtitle{max-width:88%;margin:0;padding:6px 0;font-size:.88rem;line-height:1.35;color:var(--muted)}.subtitle.bot{align-self:flex-start}.subtitle.user{align-self:flex-end;text-align:right;color:var(--ink);font-weight:700}.results{display:grid;gap:11px}.class-card{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:16px;border:1px solid #c8d9c3;background:#f7fbf3;border-radius:16px}.class-card p{margin:4px 0 0;color:var(--muted)}.primary,.secondary{min-height:46px;border-radius:12px;padding:10px 14px;font-weight:800}.primary{border:0;color:white;background:var(--green)}.secondary{border:1px solid #9bb499;color:var(--green);background:white}.message-form{display:flex;gap:8px;padding-top:17px;position:sticky;bottom:0;background:var(--cream)}.message-form input{flex:1;min-width:0;height:58px;padding:0 17px;border:1px solid #b9caba;border-radius:15px;background:var(--paper)}.mic,.send{width:58px;height:58px;border:0;border-radius:15px;color:white;background:var(--green);font-weight:900;font-size:1.4rem}.mic{color:var(--green);background:#dcebd9}.modal{position:fixed;inset:0;display:grid;place-items:center;padding:24px;background:#112c22a8}.modal-card{width:min(100%,470px);padding:27px;border-radius:24px;background:var(--paper);box-shadow:0 20px 60px #0005}.modal-card h2{margin:0 0 9px;font-family:Georgia,serif;font-size:1.7rem}.modal-card p{color:var(--muted);line-height:1.45}.modal-card input{width:100%;min-height:52px;margin:8px 0;padding:12px;border:1px solid #b9caba;border-radius:12px}.modal-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.debug-panel{position:fixed;z-index:5;right:10px;bottom:10px;display:grid;gap:3px;max-width:260px;padding:11px;background:#173b30e8;color:#eff9eb;border-radius:10px;font:11px ui-monospace,monospace}.debug-panel strong{font-size:10px;letter-spacing:.1em}.debug-panel b{color:#bce3ac;overflow-wrap:anywhere}.debug-controls{position:fixed;z-index:5;left:10px;bottom:10px;display:flex;flex-wrap:wrap;gap:5px;max-width:360px}.debug-controls button{border:1px solid #789d70;border-radius:6px;background:#f8f4ea;color:#173b30;padding:7px;font-size:10px;font-weight:700}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@keyframes blink{0%,90%,94%,100%{transform:translateY(-49px)}92%{transform:translateY(1px)}}@keyframes look{0%,22%,100%{transform:translateX(0)}28%,55%{transform:translateX(15px)}62%,80%{transform:translateX(-11px)}}@keyframes breathe{50%{transform:scale(1.1);opacity:.7}}@keyframes pulse{50%{transform:scale(1.2);opacity:.45}}@media(max-width:430px){.shell{padding:15px}.actions{grid-template-columns:1fr}.debug-panel{opacity:.85}.volume-control input{width:44px}}
.debug-controls button.is-selected{border-color:#173b30;background:var(--green);color:#fff;box-shadow:0 0 0 2px #bce3ac}