:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#202124;background:#fff}*{box-sizing:border-box}body{margin:0}.shell{min-height:100dvh;max-width:900px;margin:auto;display:flex;flex-direction:column}.topbar{height:68px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #f1f1f1;padding:0 24px}.brand{display:flex;align-items:center;gap:11px;font-weight:650;font-size:17px}.brandmark,.logo{display:grid;place-items:center;background:#f4f4f5;border-radius:12px;width:34px;height:34px;font-size:21px}.logout{background:transparent;border:0;color:#6b7280;cursor:pointer;font-size:13px}.conversation{flex:1;min-height:260px;display:flex}.messages{width:100%;height:calc(100dvh - 320px);min-height:250px;overflow-y:auto;display:flex;flex-direction:column;gap:22px;padding:35px max(20px,8%)}.message{font-size:15px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;max-width:85%}.message.user{align-self:flex-end;background:#f3f4f6;border-radius:20px;padding:12px 18px}.message.assistant{align-self:flex-start}.bottom{padding:0 max(16px,6%) 20px}.status{font-size:13px;color:#6b7280;min-height:20px;margin:4px 6px 10px}.composer{display:flex;align-items:center;border:1px solid #e5e7eb;border-radius:25px;padding:8px 9px 8px 20px;box-shadow:0 2px 12px #00000008}.composer input{flex:1;border:0;outline:none;min-width:0;padding:10px 0;font-size:15px;background:transparent}.send{border:0;border-radius:50%;background:#242424;color:#fff;width:36px;height:36px;font-size:23px;cursor:pointer}.toolbar{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin:16px 0}.voicebtn{background:#f4f4f5;border:1px solid #ededee;padding:12px 17px;border-radius:28px;cursor:pointer;font-weight:600}.voicebtn.active{background:#252525;color:#fff}.footnote{color:#9ca3af;font-size:11px;text-align:center;line-height:1.5;max-width:680px;margin:0 auto}.login{margin:auto;max-width:370px;width:calc(100% - 40px);padding:40px 0}.login h1{font-size:27px}.login p{color:#666}.login label{display:block;margin:22px 0 8px}.login input{width:100%;border:1px solid #ddd;border-radius:12px;padding:13px;font-size:16px}.login button{background:#202124;color:white;border:0;border-radius:12px;padding:13px 20px;margin-top:15px;cursor:pointer}.error{color:#b42318!important}.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}@media(max-width:600px){.topbar{padding:0 16px}.messages{height:calc(100dvh - 345px);padding:25px 17px}.bottom{padding-bottom:12px}.toolbar{gap:10px}.message{max-width:95%}}

/* V5 — animation vocale organique, originale, inspirée de l'expérience ChatGPT */
.voice-open{overflow:hidden}.voice-overlay{position:fixed;inset:0;z-index:100;background:#fff;display:none;flex-direction:column;align-items:center;justify-content:space-between;padding:clamp(22px,4vw,42px);color:#202124}.voice-overlay.open{display:flex}.voice-top{width:100%;max-width:1000px;display:flex;justify-content:space-between;align-items:center}.voice-brand{font-weight:650;font-size:18px}.voice-close{border:0;background:#f5f5f5;border-radius:50%;width:43px;height:43px;font-size:19px;cursor:pointer;color:#444}.voice-center{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px}.voice-center h2{font-size:22px;letter-spacing:-.025em;font-weight:560;margin:30px 0 0}.voice-center p{color:#92939b;font-size:14px;margin:0}/* Halo lumineux diffus : aucun disque ni coeur opaque */
.voice-orb{position:relative;width:min(76vw,360px);height:min(76vw,360px);isolation:isolate;pointer-events:none}
.orb-layer{position:absolute;display:block;border-radius:50%;will-change:transform;animation:halo-drift 7s ease-in-out infinite alternate}
.layer-one{inset:14%;opacity:.52;filter:blur(54px);background:conic-gradient(from 30deg,#a6bff5,#ebc5e7,#a8dbe9,#b4b7f2,#a6bff5)}
.layer-two{inset:20%;opacity:.48;filter:blur(48px);background:conic-gradient(from 160deg,#f6cddd,#b4d5ff,#cfbef6,#f6cddd);animation-delay:-2s;animation-duration:5s}
.layer-three{inset:26%;opacity:.42;filter:blur(43px);background:conic-gradient(from 230deg,#9ddff0,#d5c4fa,#ffd6e7,#9ddff0);animation-delay:-3s;animation-duration:9s}
.voice-orb.idle .orb-layer{opacity:.3;animation-play-state:paused}
.voice-orb.listening .orb-layer{animation-duration:3s}
.voice-orb.thinking .orb-layer{animation-duration:5s}
.voice-orb.speaking .orb-layer{animation-duration:1.8s}
@keyframes halo-drift{from{transform:translate(-12px,5px) scale(.9) rotate(-12deg)}to{transform:translate(13px,-8px) scale(1.15) rotate(12deg)}}
.voice-actions{display:flex;gap:14px;align-items:center;justify-content:center;flex-wrap:wrap;padding-bottom:20px}.voice-control,.voice-end{border:0;padding:14px 20px;border-radius:999px;font-size:14px;cursor:pointer}.voice-control{background:#f2f2f3;color:#333}.voice-control.muted{background:#fee2e2}.voice-end{background:#222;color:white}@media(prefers-reduced-motion:reduce){.orb-layer{animation:none!important}}@media(max-width:600px){.voice-actions{padding-bottom:45px}.voice-center h2{font-size:20px}}