:root{--bg:#F6F8FB;--panel:#fff;--ink:#0E1726;--mut:#6A7588;--line:#E3E8F0;--blue:#1F8FE0;--blue2:#0B5FA8;--org:#F28C28;--r:16px}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.app{display:flex;height:100dvh}
.side{width:272px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:16px;gap:12px;flex-shrink:0}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;letter-spacing:-.02em}
.brand img{width:40px;height:40px;border-radius:12px;object-fit:cover}
.btn-new{background:var(--ink);color:#fff;padding:10px 16px;border-radius:12px;font-weight:600}
.btn-new:hover{background:var(--blue2)}
.hist-title{color:var(--mut);font-size:13px;font-weight:600;margin-top:6px}
.hist{flex:1;overflow:auto;display:flex;flex-direction:column;gap:2px}
.h-item{display:flex;align-items:center;gap:6px;padding:8px 10px;border-radius:10px;cursor:pointer}
.h-item span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.h-item:hover,.h-item.on{background:#EAF3FC}
.h-item button{color:var(--mut);padding:0 4px}
.h-item button:hover{color:#d33}
.powered{display:flex;align-items:center;gap:10px;padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--mut);line-height:1.3}
.powered img{width:34px;height:34px;border-radius:10px}
.powered b{color:var(--ink)}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.top{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--panel)}
.top-name{font-weight:700;letter-spacing:-.02em}
.grow{flex:1}
.icon{width:38px;height:38px;border-radius:10px;font-size:18px}
.icon:hover{background:#EAF3FC}
#menu{display:none}
.pill{border:1px solid var(--line);background:var(--panel);padding:8px 14px;border-radius:999px;font-weight:600;font-size:14px}
.pill:hover{border-color:var(--org);color:#b85f06}
.chat{flex:1;overflow:auto;padding:24px 16px;scroll-behavior:smooth}
.inner{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.hero{text-align:center;padding:5vh 0 0}
.hero img{width:min(300px,70vw);border-radius:24px;box-shadow:0 12px 40px rgba(31,143,224,.18)}
.hero h1{font-size:clamp(28px,5vw,40px);letter-spacing:-.03em;margin:22px 0 6px;line-height:1.15}
.hero p{color:var(--mut)}
.sugg{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}
.sugg button{border:1px solid var(--line);background:var(--panel);padding:8px 14px;border-radius:12px;font-size:14px}
.sugg button:hover{border-color:var(--blue);color:var(--blue2)}
.msg{display:flex;gap:10px}
.msg.user{justify-content:flex-end}
.av{width:32px;height:32px;border-radius:10px;object-fit:cover;flex-shrink:0}
.bub{max-width:min(640px,85%);word-wrap:break-word;overflow-wrap:anywhere}
.user .bub{background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--r) var(--r) 4px var(--r);white-space:pre-wrap}
.ai .bub{padding-top:2px}
.bub pre{background:#0E1726;color:#E6EDF7;padding:12px 14px;border-radius:12px;overflow:auto;font-size:13px;margin:8px 0}
.bub code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em}
.bub :not(pre)>code{background:#EAF3FC;padding:1px 6px;border-radius:6px}
.bub p+p{margin-top:8px}
.atts{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.att{font-size:12px;background:#ffffff22;border-radius:8px;padding:2px 8px}
.ai .att{background:#EAF3FC;color:var(--blue2)}
.bub img.pv{max-width:180px;border-radius:10px;display:block;margin-top:6px}
.err{color:#c0392b}
.dots span{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--org);margin-right:4px;animation:b 1s infinite}
.dots span:nth-child(2){animation-delay:.15s}.dots span:nth-child(3){animation-delay:.3s}
@keyframes b{50%{transform:translateY(-5px);opacity:.4}}
.composer{padding:8px 16px 12px;background:linear-gradient(transparent,var(--bg) 30%)}
.chips,.box,.foot{max-width:760px;margin:0 auto}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.chip{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:3px 6px 3px 10px;font-size:12px;display:flex;gap:6px;align-items:center}
.chip button{color:var(--mut)}
.box{display:flex;align-items:flex-end;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:6px;box-shadow:0 4px 18px rgba(14,23,38,.06)}
.box:focus-within{border-color:var(--blue)}
.plus{font-size:24px;color:var(--blue2)}
textarea{flex:1;border:0;background:none;resize:none;outline:none;padding:8px 4px;max-height:160px}
.send{width:40px;height:40px;border-radius:50%;background:var(--org);color:#fff;font-size:16px}
.send:hover{background:#d97711}
.foot{text-align:center;font-size:11px;color:var(--mut);margin-top:6px}
.voice{position:fixed;inset:0;z-index:20;background:radial-gradient(circle at 50% 35%,#fff,#EAF3FC 70%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px;text-align:center}
.voice[hidden],.modal[hidden]{display:none}
.close{position:absolute;top:14px;right:14px}
.orb{width:190px;height:190px;border-radius:50%;padding:6px;background:conic-gradient(var(--blue),var(--org),var(--blue));transition:transform .3s}
.orb img{width:100%;height:100%;border-radius:50%;object-fit:cover}
.orb.listen{animation:pulse 1.2s infinite}
.orb.speak{animation:pulse .7s infinite}
@keyframes pulse{50%{transform:scale(1.07)}}
.v-state{font-size:20px;font-weight:700;letter-spacing:-.02em}
.v-text{max-width:560px;color:var(--mut);min-height:48px;max-height:22vh;overflow:auto}
.v-row{display:flex;align-items:center;gap:14px}
.v-row select{border:1px solid var(--line);border-radius:12px;padding:10px;background:#fff}
.mic{width:68px;height:68px;border-radius:50%;background:var(--org);color:#fff;font-size:28px;box-shadow:0 8px 24px rgba(242,140,40,.4)}
.mic.on{background:#d33}
.powered.center{border:0;position:absolute;bottom:18px}
.modal{position:fixed;inset:0;z-index:30;background:rgba(14,23,38,.4);display:flex;align-items:center;justify-content:center;padding:16px}
.card{background:#fff;border-radius:20px;padding:22px;width:min(440px,100%);max-height:92dvh;overflow:auto;display:flex;flex-direction:column;gap:12px}
.card h4{margin-top:6px}
.card label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:600}
.card input{border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-weight:400}
.note{font-size:12px;color:var(--mut)}
.row{display:flex;align-items:center;gap:8px}
@media(max-width:800px){
 .side{position:fixed;inset:0 auto 0 0;z-index:15;transform:translateX(-100%);transition:transform .25s}
 .side.open{transform:none}
 .scrim{position:fixed;inset:0;background:rgba(14,23,38,.35);z-index:14;display:none}
 .scrim.show{display:block}
 #menu{display:block}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.actions{display:flex;gap:4px;margin-top:8px;opacity:.75}
.actions button{font-size:11px;color:var(--mut);padding:3px 7px;border-radius:7px}
.actions button:hover,.actions button.active{background:#EAF3FC;color:var(--blue2)}
.ai .bub h2,.ai .bub h3,.ai .bub h4{margin:10px 0 5px;line-height:1.25}
.orb.think{animation:pulse .95s infinite}
.voice-active{background:#EAF3FC!important;color:var(--blue2)!important;border-radius:999px}

.mode-select{border:1px solid var(--line);background:var(--panel);padding:8px 12px;border-radius:999px;font-weight:600;font-size:13px;max-width:180px}.mode-select:hover{border-color:var(--org)}