:root{font-family:"Segoe UI","Malgun Gothic",sans-serif;color:#293832;background:#f5f4f0;font-synthesis:none;--green:#365d4c;--muted:#768078}
*{box-sizing:border-box}body{margin:0}button,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible{outline:3px solid #8ba994;outline-offset:4px}[hidden]{display:none!important}
.app{max-width:920px;margin:auto;min-height:100dvh;display:flex;flex-direction:column;padding:0 32px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:28px 0;border-bottom:1px solid #dddfd8}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;font-size:20px;font-weight:600}.brand small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:4px;letter-spacing:.06em}.mark{width:44px;height:44px;background:var(--green);color:#fff;border-radius:15px;display:grid;place-items:center;font-family:Georgia,serif;font-size:30px}.header-actions{display:flex;gap:12px;align-items:center}.subtle{border:0;background:none;color:#68766d;font-size:13px;padding:8px}.voice{display:flex;align-items:center;gap:8px;border:1px solid #d5dbd4;border-radius:24px;padding:10px 14px;background:#fff9;color:#68766d;font-size:12px;font-weight:600}.voice[aria-checked=true]{background:#e5ede6;border-color:#b7cbbc;color:#315b43}.voice-dot{width:7px;height:7px;border-radius:50%;background:#b4bcb6}.voice[aria-checked=true] .voice-dot{background:#578267}
main{flex:1;padding:34px 0 20px}.welcome{margin:65px 0 50px;padding:0 22px}.eyebrow{font-size:12px;letter-spacing:.1em;color:#788776}h1{font-size:clamp(32px,5vw,48px);font-weight:450;line-height:1.45;letter-spacing:-.045em;margin:18px 0}.welcome p{font-size:14px;line-height:1.95;color:#7b837a}.suggestions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.suggestions button{border:1px solid #dce0d7;background:#fafbf7;border-radius:12px;padding:13px 16px;font-size:12px;color:#657366;text-align:left}.suggestions button:hover{border-color:#99b09b}.message{margin:0 0 28px;display:flex;flex-direction:column;align-items:flex-start;animation:enter .2s ease}.message.user{align-items:flex-end}.sender{font-size:11px;color:#839083;margin:0 0 9px 3px}.bubble{max-width:88%;font-size:15px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere}.user .bubble{background:#e7ece4;border-radius:20px 20px 4px 20px;padding:14px 20px}.assistant .bubble{padding:2px 4px;color:#35443a}.pending{color:#859286;font-size:14px;padding:3px 4px}.pending:after{content:"";display:inline-block;width:5px;height:5px;background:#8ca28d;border-radius:50%;margin-left:9px;animation:pulse 1.2s infinite}.message-actions{display:flex;gap:12px;margin-top:10px}.message-actions button{background:transparent;border:0;color:#668470;font-size:12px;padding:5px}.notice{font-size:12px;color:#8a7460;margin-top:8px}.error{color:#98614e}
footer{position:sticky;bottom:0;background:linear-gradient(transparent,#f5f4f0 14px);padding:20px 0 max(18px,env(safe-area-inset-bottom))}#status{font-size:12px;color:#7d897e;min-height:24px;padding-left:6px}form{display:flex;align-items:flex-end;gap:12px;padding:12px 12px 12px 20px;background:#fff;border:1px solid #d9ded5;border-radius:20px;box-shadow:0 4px 24px #394e3510}textarea{border:0;outline:0;resize:none;background:transparent;flex:1;min-width:0;max-height:160px;line-height:1.65;padding:10px 0;color:#293832;font-size:15px}textarea::placeholder{color:#a0a89f}#send{width:42px;height:42px;background:var(--green);border:0;color:white;border-radius:13px;font-size:26px;flex-shrink:0}#stop{height:42px;border:0;border-radius:12px;background:#ede5df;color:#866b58;font-size:13px;padding:0 12px}.footnote{text-align:center;font-size:10px;line-height:1.8;margin:11px 0 0;color:#929c91}.footnote span{margin-left:6px}.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}@keyframes pulse{50%{opacity:.2}}@keyframes enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:600px){.app{padding:0 18px}header{padding:20px 0}.brand small{display:none}.header-actions{gap:5px}.voice{padding:9px 11px}.welcome{margin-top:55px;padding:0 4px}.suggestions{flex-direction:column;align-items:flex-start}.bubble{max-width:95%}.footnote span{display:block}main{padding-top:25px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important}}

.progress,.timing{font-size:12px;line-height:1.7;color:#63716a;margin-top:8px;overflow-wrap:anywhere}.timing{margin-top:2px}

/* Keep mobile input focus and long chat content within the viewport. */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
.app{width:100%;padding-left:max(32px,env(safe-area-inset-left));padding-right:max(32px,env(safe-area-inset-right))}
.app>*,.message>*{min-width:0}
.progress,.timing,.notice,.pending,.message-actions,.suggestions button{max-width:100%;overflow-wrap:anywhere}
.message-actions{flex-wrap:wrap}
#status{overflow-wrap:anywhere}
textarea{font-size:16px}
@media(max-width:600px){.app{padding-left:max(18px,env(safe-area-inset-left));padding-right:max(18px,env(safe-area-inset-right))}}