:root{
  --bg:#050b1c; --bg2:#0a1630; --panel:rgba(14,28,62,.72); --panel2:rgba(20,40,86,.6);
  --line:rgba(90,170,255,.18); --text:#e6f0ff; --muted:#8fa6cc; --accent:#3aa0ff; --accent2:#6fe0ff;
  --danger:#ff6b81; --ok:#4ade80; --radius:14px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
#root{height:100%;height:100dvh}
body{background:radial-gradient(1200px 700px at 50% -10%,#0d2a5e 0%,var(--bg) 60%);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.5;overflow:hidden;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--accent2)}
::selection{background:rgba(58,160,255,.4)}
*{scrollbar-width:thin;scrollbar-color:#27406f transparent}

/* ---------- belépés ---------- */
.login{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px;gap:8px}
.login .face-wrap{width:min(340px,80vw);height:min(300px,40vh)}
.login h1{margin:0;font-size:26px;letter-spacing:.5px}
.login p.sub{margin:0 0 8px;color:var(--muted);font-size:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);backdrop-filter:blur(10px);padding:20px;width:min(380px,100%)}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:13px;color:var(--muted)}
.input,select.input,textarea.input{background:rgba(5,12,32,.7);border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:none;width:100%;transition:border-color .15s,box-shadow .15s}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(58,160,255,.2)}
.btn{background:linear-gradient(180deg,#3aa0ff,#2272e0);border:0;border-radius:10px;padding:11px 16px;font-weight:600;color:#fff;transition:filter .15s,transform .05s}
.btn:hover{filter:brightness(1.1)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:default}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text);font-weight:500}
.btn.danger{background:linear-gradient(180deg,#ff6b81,#d9364f)}
.btn.small{padding:6px 10px;font-size:13px;border-radius:8px}
.err{color:var(--danger);font-size:14px;min-height:20px;margin:0 0 8px}
.login .btn{width:100%}

/* ---------- alkalmazás ---------- */
.app{height:100%;min-height:0;display:grid;grid-template-rows:minmax(0,1fr);grid-template-columns:280px 1fr;transition:grid-template-columns .2s}
.side{background:rgba(6,14,36,.85);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.side .top{padding:14px;display:flex;gap:8px;align-items:center}
.side .brand{font-weight:700;font-size:18px;letter-spacing:.4px;flex:1}
.side .brand span{color:var(--accent2)}
.convs{flex:1;overflow:auto;padding:4px 8px}
.conv{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:10px;cursor:pointer;color:var(--muted);font-size:14px}
.conv:hover{background:rgba(58,160,255,.1);color:var(--text)}
.conv.active{background:rgba(58,160,255,.18);color:var(--text)}
.conv .t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv .x{opacity:0;border:0;background:none;color:var(--muted);padding:2px 6px;border-radius:6px}
.conv:hover .x{opacity:1}
.conv .x:hover{color:var(--danger);background:rgba(255,107,129,.12)}
.side .bottom{border-top:1px solid var(--line);padding:10px;display:flex;flex-direction:column;gap:6px;font-size:13px}
.side .who{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 4px}
.row{display:flex;gap:6px;flex-wrap:wrap}

.main{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}
.bar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);background:rgba(6,14,36,.5);flex-wrap:wrap}
.bar .burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 10px}
.chips{display:flex;gap:4px;background:rgba(5,12,32,.6);padding:3px;border-radius:10px;border:1px solid var(--line)}
.chip{background:none;border:0;padding:6px 12px;border-radius:8px;color:var(--muted);font-size:14px}
.chip.on{background:rgba(58,160,255,.25);color:var(--text)}
.bar select{width:auto;padding:7px 10px;font-size:14px}
.spacer{flex:1}
.iconbtn{background:none;border:1px solid var(--line);border-radius:10px;padding:7px 11px;color:var(--text);font-size:14px}
.iconbtn:hover{background:rgba(58,160,255,.12)}
.iconbtn.on{background:rgba(58,160,255,.3);border-color:var(--accent)}

.stage{position:relative;flex:0 0 auto;height:42vh;min-height:210px;max-height:470px;transition:height .25s;overflow:hidden}
.stage.big{height:58vh;max-height:none}
.stage.hidden{display:none}
.stage .face-wrap{position:absolute;inset:0}
.stage canvas{display:block}
.status{position:absolute;left:0;right:0;bottom:6px;text-align:center;font-size:13px;color:var(--accent2);text-shadow:0 0 10px rgba(58,160,255,.6);pointer-events:none;min-height:20px}
.stage .stop{position:absolute;right:14px;bottom:10px;display:none}
.stage.speaking .stop{display:block}

.msgs{flex:1 1 0;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:16px 14px 8px;scroll-behavior:smooth}
.msgs .inner{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.empty{color:var(--muted);text-align:center;margin-top:30px;font-size:15px}
.empty .ex{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px}
.empty .ex button{background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:var(--text);font-size:14px}
.empty .ex button:hover{border-color:var(--accent)}
.msg{display:flex;flex-direction:column;gap:4px;max-width:100%}
.msg .role{font-size:12px;color:var(--muted);letter-spacing:.4px;text-transform:uppercase}
.msg.user .bubble{align-self:flex-end;background:rgba(58,160,255,.2);border:1px solid rgba(58,160,255,.35);border-radius:16px 16px 4px 16px;padding:10px 14px;max-width:88%;white-space:pre-wrap;word-wrap:break-word}
.msg.user .role{align-self:flex-end}
.msg.assistant .bubble{background:var(--panel);border:1px solid var(--line);border-radius:16px 16px 16px 4px;padding:12px 16px;word-wrap:break-word;overflow-wrap:anywhere}
.msg .atts{display:flex;gap:6px;flex-wrap:wrap;align-self:flex-end}
.msg .atts img{max-height:120px;border-radius:10px;border:1px solid var(--line)}
.msg .atts .f{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:3px 8px;font-size:12px;color:var(--muted)}
.msg img.gen{max-width:100%;border-radius:12px;display:block;margin-top:6px;border:1px solid var(--line)}
.bubble p{margin:0 0 10px}.bubble p:last-child{margin-bottom:0}
.bubble h1,.bubble h2,.bubble h3,.bubble h4{margin:14px 0 8px;line-height:1.25}
.bubble h1{font-size:1.35em}.bubble h2{font-size:1.2em}.bubble h3{font-size:1.07em}
.bubble ul,.bubble ol{margin:0 0 10px;padding-left:22px}
.bubble li{margin:3px 0}
.bubble blockquote{margin:0 0 10px;padding:4px 12px;border-left:3px solid var(--accent);color:var(--muted)}
.bubble hr{border:0;border-top:1px solid var(--line);margin:12px 0}
.bubble code{background:rgba(5,12,32,.8);border:1px solid var(--line);border-radius:6px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em}
.bubble table{border-collapse:collapse;margin:0 0 10px;display:block;overflow:auto;max-width:100%}
.bubble th,.bubble td{border:1px solid var(--line);padding:6px 10px;text-align:left}
.bubble th{background:rgba(58,160,255,.12)}
.codeblock{margin:0 0 10px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#040a1a}
.codeblock .ch{display:flex;align-items:center;gap:6px;padding:6px 10px;background:rgba(58,160,255,.1);font-size:12px;color:var(--muted)}
.codeblock .ch .l{flex:1;text-transform:lowercase}
.codeblock .ch button{background:none;border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-size:12px;color:var(--text)}
.codeblock .ch button:hover{border-color:var(--accent)}
.codeblock pre{margin:0;padding:12px;overflow:auto;max-height:520px}
.codeblock pre code{background:none;border:0;padding:0;font-size:13px;line-height:1.5;white-space:pre}
.typing::after{content:"▍";animation:blink 1s steps(2) infinite;color:var(--accent2)}
@keyframes blink{50%{opacity:0}}
.errbox{color:var(--danger)}

.composer{padding:8px 14px 14px}
.composer .inner{max-width:860px;margin:0 auto}
.atchips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.atchip{background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:3px 6px 3px 10px;font-size:12px;display:flex;align-items:center;gap:6px}
.atchip button{background:none;border:0;color:var(--muted);padding:0 4px}
.box{display:flex;align-items:flex-end;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:6px;backdrop-filter:blur(10px)}
.box:focus-within{border-color:var(--accent)}
.box textarea{flex:1;background:none;border:0;outline:none;resize:none;padding:9px 8px;max-height:200px;min-height:24px;line-height:1.4}
.circ{width:40px;height:40px;border-radius:50%;border:0;background:rgba(58,160,255,.15);color:var(--text);display:flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 auto}
.circ:hover{background:rgba(58,160,255,.3)}
.circ.send{background:linear-gradient(180deg,#3aa0ff,#2272e0)}
.circ.rec{background:var(--danger);animation:pulse 1.2s infinite}
.circ.hidden{display:none}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(255,107,129,.18)}}
.hint{font-size:12px;color:var(--muted);text-align:center;margin-top:6px}

/* ---------- ablakok ---------- */
.modal{position:fixed;inset:0;background:rgba(2,6,16,.7);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal .card{width:min(760px,100%);max-height:88vh;overflow:auto}
.modal.wide .card{width:min(1000px,100%)}
.modal h2{margin:0 0 14px;font-size:20px}
.modal .acts{display:flex;gap:8px;justify-content:flex-end;margin-top:14px}
table.users{width:100%;border-collapse:collapse;font-size:14px}
table.users th,table.users td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
table.users th{color:var(--muted);font-weight:500;font-size:12px}
.sw{display:inline-flex;align-items:center;gap:4px;font-size:13px}
.sw input{accent-color:var(--accent);width:16px;height:16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.preview{width:100%;height:70vh;border:1px solid var(--line);border-radius:10px;background:#fff}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--panel);border:1px solid var(--line);padding:10px 16px;border-radius:10px;z-index:80;font-size:14px}
.scrim{display:none}

@media (max-width:820px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;inset:0 auto 0 0;width:280px;z-index:40;transform:translateX(-100%);transition:transform .2s}
  .app.open .side{transform:none}
  .app.open .scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:30}
  .bar .burger{display:block}
  .stage{height:30vh}
  .stage.big{height:48vh}
  .grid2{grid-template-columns:1fr}
  .hint{display:none}
}

.stage .talk{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);background:linear-gradient(180deg,#3aa0ff,#2272e0);border:0;border-radius:999px;padding:12px 22px;font-weight:600;color:#fff;font-size:16px;box-shadow:0 6px 24px rgba(58,160,255,.45);z-index:3}
.stage .talk:hover{filter:brightness(1.1)}
.stage .talk.on{background:linear-gradient(180deg,#ff6b81,#d9364f);box-shadow:0 6px 24px rgba(255,107,129,.4)}
.stage .status{bottom:62px;font-size:14px}
.stage.big .talk{bottom:16px}

.login{height:100%;overflow:auto}
.composer{flex:0 0 auto}
.bar{flex:0 0 auto}