/* AETHERION Playground v2 */
:root,[data-theme=dark]{--bg:#0b0d12;--bg2:#10131a;--side:#0e1117;--card:#151923;--card2:#1b2030;--line:#262c3a;--line2:#323a4d;--text:#eceef3;--dim:#9aa3b5;--faint:#6b7488;--acc:#e0704f;--acc2:#f29a6b;--acc-soft:rgba(224,112,79,.14);--ok:#3ecf8e;--warn:#f5b84a;--bad:#f2605b;--code:#0f1219;--shadow:0 10px 40px rgba(0,0,0,.45);color-scheme:dark}
[data-theme=light]{--bg:#fbfaf8;--bg2:#ffffff;--side:#f3f1ed;--card:#ffffff;--card2:#f5f3ef;--line:#e6e2db;--line2:#d8d3ca;--text:#1d1f24;--dim:#5d6370;--faint:#8a909c;--acc:#d35f3c;--acc2:#e98a5c;--acc-soft:rgba(211,95,60,.1);--code:#f6f5f2;--shadow:0 10px 40px rgba(30,20,10,.12);color-scheme:light}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body.pg{background:var(--bg);color:var(--text);font:15.5px/1.7 "Pretendard","Apple SD Gothic Neo","Noto Sans KR",system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
button{font:inherit;color:inherit}
a{color:var(--acc2)}
[data-theme=light] a{color:var(--acc)}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;z-index:99;background:#fff;color:#000;padding:6px}
.app{display:flex;height:100dvh;width:100%}
/* sidebar */
.side{width:268px;flex:none;background:var(--side);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:12px;gap:6px;transition:margin .25s,transform .25s;z-index:40}
.app.side-hidden .side{margin-left:-268px}
.side-top{display:flex;align-items:center;justify-content:space-between;padding:2px 4px 8px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.09em;text-decoration:none;color:var(--text)!important;font-size:14px}
.logo,.hero-logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--acc),#c4473a 60%,#7a2f6b);display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 4px 14px rgba(224,112,79,.35)}
.ic{width:36px;height:36px;border-radius:10px;border:0;background:transparent;display:grid;place-items:center;cursor:pointer;color:var(--dim)}
.ic:hover{background:var(--card2);color:var(--text)}
.newchat{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;border:1px solid var(--line2);background:var(--card);cursor:pointer;font-weight:600}
.newchat:hover{border-color:var(--acc);color:var(--acc2)}
.side-label{font-size:12px;color:var(--faint);padding:14px 8px 4px;font-weight:600;letter-spacing:.04em}
.convs{flex:1;overflow-y:auto;margin:0 -4px;padding:0 4px}
.conv{display:flex;align-items:center;border-radius:10px;padding:0 4px 0 10px;cursor:pointer;color:var(--dim);font-size:14px;min-height:38px}
.conv:hover{background:var(--card2);color:var(--text)}
.conv.on{background:var(--acc-soft);color:var(--text)}
.conv .t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv .a{display:none;gap:0}.conv:hover .a,.conv.on .a{display:flex}
.conv .a button{width:28px;height:28px;border:0;background:none;border-radius:8px;cursor:pointer;color:var(--faint);display:grid;place-items:center}.conv .a button:hover{color:var(--text);background:var(--line)}
.conv .a svg{width:15px;height:15px}
.side-foot{border-top:1px solid var(--line);padding-top:8px;display:flex;flex-direction:column;gap:2px}
.side-btn{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;border:0;background:none;cursor:pointer;color:var(--dim)!important;text-decoration:none;font-size:14px;text-align:left}
.side-btn:hover{background:var(--card2);color:var(--text)!important}
.scrim{display:none}
/* main */
.main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative;background:var(--bg)}
.top{display:flex;align-items:center;gap:8px;padding:10px 14px;height:56px;flex:none}
.top-r{margin-left:auto;display:flex;gap:4px}
.app:not(.side-hidden) #side-open{display:none}
.chip{display:flex;align-items:center;gap:8px;padding:7px 12px;border-radius:12px;border:1px solid transparent;background:none;cursor:pointer;font-weight:700;font-size:15px;min-width:0}
.chip:hover{background:var(--card2);border-color:var(--line)}
.chip-sub{font-weight:500;color:var(--faint);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip-name{white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%;background:var(--faint);flex:none}
.dot.ok{background:var(--ok);box-shadow:0 0 0 3px rgba(62,207,142,.18)}.dot.wait{background:var(--warn);animation:pulse 1.2s infinite}.dot.bad{background:var(--bad)}
@keyframes pulse{50%{opacity:.35}}
.scroll{flex:1;overflow-y:auto;overscroll-behavior:contain;scroll-behavior:auto}
.thread{max-width:780px;margin:0 auto;padding:12px 22px 40px}
/* empty */
.empty{max-width:780px;margin:0 auto;padding:6vh 22px 30px;text-align:center}
.empty[hidden]{display:none}
.hero-logo{width:56px;height:56px;border-radius:16px;font-size:26px;margin:0 auto 18px}
.empty h1{font-size:clamp(24px,4vw,32px);margin:0 0 8px;letter-spacing:-.02em}
.empty p{color:var(--dim);margin:0 auto 28px;max-width:520px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;text-align:left}
.card{display:flex;flex-direction:column;gap:2px;padding:14px;border-radius:14px;border:1px solid var(--line);background:var(--card);cursor:pointer;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--acc);transform:translateY(-2px)}
.card .ci{font-size:20px;margin-bottom:4px}.card b{font-size:14.5px}.card small{color:var(--faint);font-size:12.5px}
/* messages */
.msg{margin:22px 0;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}}
.msg.user{display:flex;flex-direction:column;align-items:flex-end}
.bub{background:var(--card2);border:1px solid var(--line);padding:10px 16px;border-radius:18px 18px 4px 18px;max-width:85%;white-space:pre-wrap;word-break:break-word}
.msg.bot{display:grid;grid-template-columns:30px 1fr;gap:14px}
.av{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--acc),#c4473a 60%,#7a2f6b);display:grid;place-items:center;color:#fff;font-weight:900;font-size:14px;margin-top:2px}
.bot-col{min-width:0}
.acts{display:flex;gap:2px;margin-top:6px;opacity:.0;transition:opacity .15s;align-items:center}
.msg:hover .acts,.msg:last-child .acts{opacity:1}
.acts button{width:30px;height:30px;border:0;background:none;border-radius:8px;cursor:pointer;color:var(--faint);display:grid;place-items:center}
.acts button:hover{background:var(--card2);color:var(--text)}
.acts svg{width:16px;height:16px}
.meta{font-size:12px;color:var(--faint);margin-left:6px}
/* status + steps */
.status{display:flex;align-items:center;gap:8px;color:var(--dim);font-size:14px;min-height:0}
.status:empty{display:none}
.status::before{content:"";width:14px;height:14px;border-radius:50%;border:2px solid var(--line2);border-top-color:var(--acc);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.steps{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}
.steps:empty{display:none}
.step{border:1px solid var(--line);border-radius:12px;background:var(--card);overflow:hidden;position:relative}
.step summary{list-style:none;display:flex;align-items:center;gap:10px;padding:8px 12px;cursor:pointer;font-size:13.5px;color:var(--dim)}
.step summary::-webkit-details-marker{display:none}
.step .sic{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--acc-soft);font-size:14px;flex:none}
.step .sn{font-weight:700;color:var(--text)}
.step .sa{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}
.step .ss{font-size:12px;color:var(--faint);flex:none}
.step.run .ss::before{content:"";display:inline-block;width:10px;height:10px;border-radius:50%;border:2px solid var(--line2);border-top-color:var(--acc);animation:spin .8s linear infinite;vertical-align:-1px;margin-right:5px}
.step.err .ss{color:var(--bad)}
.step .chev{transition:transform .2s;color:var(--faint)}.step[open] .chev{transform:rotate(180deg)}
.step .sb{padding:4px 14px 12px 48px;font-size:13.5px;color:var(--dim);white-space:pre-wrap;word-break:break-word}
.step .sb ol{margin:0;padding-left:18px;white-space:normal}.step .sb li{margin:3px 0}
.step .sb a{text-decoration:none}.step .sb a:hover{text-decoration:underline}
.step .host{color:var(--faint);font-size:12px;margin-left:4px}
.wx{display:flex;gap:8px;flex-wrap:wrap;white-space:normal;margin-top:4px}
.wx div{border:1px solid var(--line);border-radius:10px;padding:6px 10px;font-size:12.5px;background:var(--bg2)}
.wx b{display:block;font-size:17px;color:var(--text)}
/* markdown */
.md{word-break:break-word;overflow-wrap:anywhere}
.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}
.md p{margin:0 0 .85em}
.md h1,.md h2,.md h3,.md h4{line-height:1.35;margin:1.3em 0 .5em;letter-spacing:-.01em}
.md h1{font-size:1.45em}.md h2{font-size:1.25em}.md h3{font-size:1.1em}
.md ul,.md ol{padding-left:1.4em;margin:0 0 .85em}.md li{margin:.25em 0}.md li::marker{color:var(--acc)}
.md strong{color:var(--text);font-weight:750}
.md blockquote{margin:0 0 .85em;padding:.2em 1em;border-left:3px solid var(--acc);color:var(--dim);background:var(--acc-soft);border-radius:0 8px 8px 0}
.md hr{border:0;border-top:1px solid var(--line);margin:1.4em 0}
.md :not(pre)>code{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;background:var(--card2);border:1px solid var(--line);padding:.1em .4em;border-radius:6px}
.md .tw{overflow-x:auto;margin:0 0 1em;border:1px solid var(--line);border-radius:12px}
.md table{border-collapse:collapse;width:100%;font-size:14px}
.md th,.md td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.md th{background:var(--card2);font-weight:700}.md tr:last-child td{border-bottom:0}
.md img{max-width:100%;border-radius:10px}
.cb{margin:0 0 1em;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--code)}
.cb-h{display:flex;align-items:center;gap:6px;padding:6px 8px 6px 14px;background:var(--card2);border-bottom:1px solid var(--line);font-size:12.5px;color:var(--dim)}
.cb-h .lang{font-family:ui-monospace,Menlo,monospace;margin-right:auto}
.cb-h button{display:flex;align-items:center;gap:5px;border:0;background:none;color:var(--dim);cursor:pointer;padding:4px 8px;border-radius:7px;font-size:12.5px}
.cb-h button:hover{background:var(--line);color:var(--text)}
.cb-h button svg{width:14px;height:14px}
.cb-h .run{color:var(--acc2)}
.cb pre{margin:0;padding:14px 16px;overflow-x:auto;font:13px/1.6 "JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
.cb pre code.hljs{background:none;padding:0}
.art-card{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--card);cursor:pointer;margin:0 0 1em;width:100%;text-align:left}
.art-card:hover{border-color:var(--acc)}
.art-card .aci{width:40px;height:40px;border-radius:10px;background:var(--acc-soft);display:grid;place-items:center;color:var(--acc2)}
.art-card b{display:block;font-size:14px}.art-card small{color:var(--faint);font-size:12.5px}
.cite{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;margin:0 1px;border-radius:6px;background:var(--acc-soft);color:var(--acc2)!important;font-size:11px;font-weight:700;text-decoration:none;vertical-align:2px;line-height:1}
.cite:hover{background:var(--acc);color:#fff!important}
.srcs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.srcs:empty{display:none}
.src{display:flex;align-items:center;gap:6px;max-width:260px;padding:5px 10px 5px 6px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:12.5px;color:var(--dim)!important;text-decoration:none}
.src:hover{border-color:var(--acc);color:var(--text)!important}
.src .n{background:var(--acc-soft);color:var(--acc2);border-radius:999px;min-width:18px;height:18px;display:grid;place-items:center;font-size:11px;font-weight:700}
.src img{width:14px;height:14px;border-radius:3px}
.src .st{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cursor::after{content:"";display:inline-block;width:8px;height:1.05em;background:var(--acc);border-radius:2px;vertical-align:-2px;margin-left:3px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.err-box{border:1px solid rgba(242,96,91,.4);background:rgba(242,96,91,.08);color:var(--text);padding:10px 14px;border-radius:12px;font-size:14px}
.edit-box textarea{width:100%;min-height:80px;border-radius:14px;border:1px solid var(--acc);background:var(--card);color:var(--text);padding:10px 14px;font:inherit;resize:vertical}
.edit-box div{display:flex;gap:6px;justify-content:flex-end;margin-top:6px}
/* composer */
.composer-wrap{padding:0 16px calc(10px + env(safe-area-inset-bottom));flex:none}
.composer{max-width:780px;margin:0 auto;border:1px solid var(--line2);background:var(--card);border-radius:22px;padding:10px 10px 8px 16px;box-shadow:var(--shadow);transition:border-color .15s}
.composer:focus-within{border-color:var(--acc)}
.composer textarea{width:100%;border:0;outline:0;background:none;color:var(--text);font:inherit;font-size:16px;resize:none;max-height:220px;padding:4px 0;line-height:1.55}
.composer-bar{display:flex;align-items:center;gap:10px}
.hint{font-size:12px;color:var(--faint);margin-left:auto}
.send{width:36px;height:36px;border-radius:50%;border:0;background:var(--acc);color:#fff;display:grid;place-items:center;cursor:pointer;transition:opacity .15s,transform .1s}
.send:disabled{opacity:.35;cursor:default}.send:active{transform:scale(.94)}
.send .i-stop{display:none}.busy .send .i-send{display:none}.busy .send .i-stop{display:block;fill:currentColor}
.toggle{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--dim);cursor:pointer;user-select:none}
.toggle input{position:absolute;opacity:0;pointer-events:none}
.tg{width:30px;height:18px;border-radius:99px;background:var(--line2);position:relative;transition:background .2s}
.tg::after{content:"";position:absolute;left:2px;top:2px;width:14px;height:14px;border-radius:50%;background:#fff;transition:transform .2s}
.toggle input:checked+.tg{background:var(--acc)}.toggle input:checked+.tg::after{transform:translateX(12px)}
.toggle input:focus-visible+.tg{outline:2px solid var(--acc);outline-offset:2px}
.disclaimer{text-align:center;font-size:11.5px;color:var(--faint);margin:6px 0 0}
/* artifact panel */
.art{width:min(46vw,760px);flex:none;border-left:1px solid var(--line);background:var(--bg2);display:flex;flex-direction:column;z-index:30}
.art[hidden]{display:none}
.art-top{display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid var(--line);height:56px}
.tabs{display:flex;background:var(--card2);border-radius:10px;padding:3px}
.tab{border:0;background:none;padding:5px 12px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--dim);font-weight:600}
.tab.on{background:var(--card);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.2)}
.art-title{font-size:13px;color:var(--faint);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-family:ui-monospace,Menlo,monospace}
.art-acts{display:flex}
.art-acts .ic{width:32px;height:32px}
.art-body{flex:1;min-height:0;position:relative;background:#fff}
.art-body iframe{width:100%;height:100%;border:0;display:block;background:#fff}
.art-code{position:absolute;inset:0;margin:0;overflow:auto;padding:16px;background:var(--code);font:13px/1.6 ui-monospace,Menlo,monospace}
.art-code[hidden]{display:none}
.art.full{position:fixed;inset:0;width:auto;z-index:90}
/* dialog + toast */
.dlg{border:1px solid var(--line2);border-radius:18px;background:var(--bg2);color:var(--text);padding:0;width:min(460px,92vw);box-shadow:var(--shadow)}
.dlg::backdrop{background:rgba(0,0,0,.55);backdrop-filter:blur(3px)}
.dlg-in{padding:22px;display:flex;flex-direction:column;gap:8px}
.dlg h2{margin:0;font-size:19px}.muted{color:var(--dim);font-size:13px;margin:0 0 6px}
.dlg label{font-size:13px;font-weight:600;color:var(--dim);margin-top:6px}
.dlg input{border:1px solid var(--line2);background:var(--card);color:var(--text);border-radius:10px;padding:10px 12px;font:inherit;font-size:16px}
.dlg input:focus{outline:0;border-color:var(--acc)}
.dlg-status{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--dim);margin-top:6px}
.dlg-acts{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.btn{border:1px solid var(--line2);background:var(--card);border-radius:10px;padding:8px 14px;cursor:pointer;font-weight:600;font-size:14px}
.btn:hover{border-color:var(--acc)}.btn.primary{background:var(--acc);border-color:var(--acc);color:#fff}
.btn.sm{padding:5px 10px;font-size:13px}
.toast{position:fixed;left:50%;bottom:110px;transform:translate(-50%,20px);background:var(--text);color:var(--bg);padding:8px 16px;border-radius:999px;font-size:13.5px;opacity:0;pointer-events:none;transition:.2s;z-index:100}
.toast.show{opacity:1;transform:translate(-50%,0)}
/* responsive */
@media (max-width:1100px){.cards{grid-template-columns:repeat(2,1fr)}.art{width:50vw}}
@media (max-width:860px){
  .side{position:fixed;inset:0 auto 0 0;transform:translateX(-100%);box-shadow:var(--shadow)}
  .app.side-open .side{transform:none}.app.side-hidden .side{margin-left:0}
  .app.side-open .scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:35}
  .app:not(.side-hidden) #side-open{display:grid}
  .art{position:fixed;inset:0;width:auto;z-index:60}
  .hint{display:none}.tool-badges{margin-right:auto}
  .thread{padding:6px 16px 30px}.msg.bot{grid-template-columns:1fr;gap:6px}.av{display:none}
  .acts{opacity:1}.conv .a{display:flex}
  .chip-sub{display:none}
  .empty{padding-top:3vh}
}
@media (max-width:480px){.cards{grid-template-columns:1fr 1fr;gap:8px}.card{padding:11px}.card small{display:none}.empty p{font-size:14px}.bub{max-width:92%}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---- v3 ---- */
.logo,.hero-logo,.av{background:none!important;box-shadow:none!important;object-fit:contain}
.av img{width:30px;height:30px;object-fit:contain}
.hero-logo{width:64px;height:64px;filter:drop-shadow(0 6px 22px rgba(224,112,79,.45))}
.composer{position:relative}
.composer-bar{flex-wrap:wrap;gap:6px}
.ic.sm{width:32px;height:32px}
.ic.sm svg{width:18px;height:18px}
#mic.on{color:#fff;background:#d9483b;animation:pulse 1.2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(217,72,59,.25)}}
.mode{background:var(--bg);color:var(--text);border:1px solid var(--line2);border-radius:999px;padding:5px 10px;font:inherit;font-size:13px;cursor:pointer}
.attach-row{display:flex;gap:8px;padding:2px 0 8px}
.att{position:relative}
.att img{width:56px;height:56px;object-fit:cover;border-radius:10px;border:1px solid var(--line2)}
.att button{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border-radius:50%;border:0;background:#000c;color:#fff;cursor:pointer;line-height:1}
.slash{position:absolute;left:10px;right:10px;bottom:calc(100% + 6px);background:var(--card);border:1px solid var(--line2);border-radius:14px;box-shadow:var(--shadow);padding:6px;max-height:280px;overflow:auto;z-index:5}
.slash button{display:flex;gap:10px;align-items:baseline;width:100%;text-align:left;background:none;border:0;color:var(--text);padding:8px 10px;border-radius:9px;cursor:pointer;font:inherit}
.slash button:hover{background:var(--line)}
.slash span{color:var(--dim);font-size:13px}
.thumbs{display:flex;gap:6px;justify-content:flex-end;margin-bottom:6px}
.thumbs img{width:120px;max-height:120px;object-fit:cover;border-radius:12px}
.think{border-left:2px solid var(--acc);padding:2px 0 2px 12px;margin:0 0 10px;font-size:13.5px;opacity:.85}
.think summary{cursor:pointer;color:var(--dim);list-style:none}
.think-body{white-space:pre-wrap;margin-top:6px;max-height:260px;overflow:auto;color:var(--dim)}
.diagram{background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:14px;margin:10px 0;overflow:auto;text-align:center}
.diagram svg{display:block;margin:0 auto;width:100%;height:auto}
.katex-display{overflow-x:auto;overflow-y:hidden;padding:4px 0}
kbd{border:1px solid var(--line2);border-radius:5px;padding:0 5px;font-size:.9em}
@media(max-width:600px){.composer-bar .hint{display:none}.mode{font-size:12px;padding:4px 8px}}

/* v4 */
.att.doc{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:10px;background:var(--bg2,rgba(127,127,127,.12));font-size:13px;max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.att.doc button{position:static}
.doc-chip{display:inline-block;margin-bottom:6px;padding:3px 9px;border-radius:999px;font-size:12px;background:rgba(127,127,127,.15)}
.pulse{animation:aepulse 1.2s ease-in-out 3}
@keyframes aepulse{50%{box-shadow:0 0 0 6px rgba(120,140,255,.35)}}
.art-ver{margin-left:6px;font-size:12px;padding:2px 6px;border-radius:6px;background:transparent;color:inherit;border:1px solid rgba(127,127,127,.35);max-width:140px}
.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin-bottom:12px}
.tpl{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:10px;border-radius:10px;border:1px solid rgba(127,127,127,.25);background:transparent;color:inherit;text-align:left;cursor:pointer;font:inherit}
.tpl:hover{border-color:rgba(127,127,127,.6)}
#tpl-body h3,.dlg h3{margin:14px 0 6px;font-size:14px}
.mem-list{list-style:none;padding:0;margin:0 0 8px;display:grid;gap:4px;font-size:13px}
.mem-list li{display:flex;justify-content:space-between;gap:8px;align-items:center}
.dlg textarea{width:100%;font:inherit;border-radius:8px;padding:8px;box-sizing:border-box}
.row-chk{display:flex;gap:8px;align-items:center;margin:8px 0}
.act.on,[data-act=up].on,[data-act=down].on{color:var(--accent,#7c8cff)}
#tpl{max-width:min(720px,94vw)}
.dlg{max-height:90vh;overflow:auto}
@media (max-width:480px){.composer-bar{flex-wrap:nowrap;gap:2px}.composer-bar .toggle span:last-child{display:none}.mode{max-width:92px;min-width:0;padding:4px 6px}.send{margin-left:auto;flex:none}.composer-bar .ic.sm{flex:none}}
/* ===== v5: menus, intelligence glow, branching, chips, VM, image gen, settings tabs ===== */
.pop-wrap{position:relative;display:inline-flex}
.pop{position:absolute;z-index:40;min-width:240px;background:var(--card);border:1px solid var(--line2);border-radius:14px;box-shadow:var(--shadow);padding:6px;display:flex;flex-direction:column}
.pop[hidden]{display:none}
.pop.up{bottom:calc(100% + 8px);left:0}.pop.right{top:calc(100% + 6px);right:0}
.pop-h{font-size:11.5px;color:var(--faint);padding:8px 10px 3px;font-weight:600}
.pop button,.pop-chk{display:flex;align-items:center;gap:8px;width:100%;text-align:left;background:none;border:0;border-radius:9px;padding:8px 10px;font-size:14px;cursor:pointer;color:var(--text)}
.pop button:hover,.pop-chk:hover{background:var(--card2)}.pop button:disabled{opacity:.45;cursor:default}
.pop button small{margin-left:auto;color:var(--faint);font-size:11.5px}.pop kbd{margin-left:auto;font-size:11px;color:var(--faint)}
.pop-chk input{accent-color:var(--acc);width:16px;height:16px}
.ic.plus{border:1px solid var(--line2);border-radius:50%}
.tool-badges{display:flex;gap:4px;flex-wrap:wrap}
.tb{font-size:11.5px;padding:2px 8px;border-radius:99px;background:var(--acc-soft);color:var(--acc2);white-space:nowrap}
[data-theme=light] .tb{color:var(--acc)}.tb.vm{background:rgba(62,207,142,.14);color:var(--ok)}
/* Intelligence-style glow while generating */
@property --ga{syntax:'<angle>';inherits:false;initial-value:0deg}
.composer{position:relative}
.composer.busy::before{content:"";position:absolute;inset:-2px;border-radius:inherit;padding:2px;background:conic-gradient(from var(--ga),#ff8a5b,#ffd36e,#7ee0b5,#6fb6ff,#b58cff,#ff7eb6,#ff8a5b);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:ae-spin 2.6s linear infinite;pointer-events:none}
.composer.busy::after{content:"";position:absolute;inset:-14px;border-radius:inherit;background:conic-gradient(from var(--ga),#ff8a5b55,#ffd36e44,#7ee0b544,#6fb6ff55,#b58cff55,#ff8a5b55);filter:blur(22px);z-index:-1;animation:ae-spin 2.6s linear infinite;pointer-events:none}
@keyframes ae-spin{to{--ga:360deg}}
body.glow .main::after{content:"";position:fixed;inset:0;pointer-events:none;box-shadow:inset 0 0 60px -20px rgba(255,138,91,.5),inset 0 0 120px -40px rgba(111,182,255,.45);animation:ae-pulse 2.4s ease-in-out infinite;z-index:30}
@keyframes ae-pulse{50%{opacity:.45}}
/* branch nav + suggestions */
.bnav{display:inline-flex;align-items:center;gap:2px;font-size:12.5px;color:var(--dim);font-variant-numeric:tabular-nums;margin:0 4px}
.bnav button{background:none;border:0;padding:2px 7px;border-radius:6px;cursor:pointer;font-size:15px;line-height:1;color:var(--dim)}
.bnav button:hover:not(:disabled){background:var(--card2);color:var(--text)}.bnav button:disabled{opacity:.3;cursor:default}
.sugg{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.sugg:empty{display:none}
.schip{background:var(--card);border:1px solid var(--line2);border-radius:99px;padding:6px 13px;font-size:13.5px;cursor:pointer;text-align:left;animation:ae-in .35s ease both}
.schip:hover{border-color:var(--acc);color:var(--acc2)}.schip:nth-child(2){animation-delay:.08s}.schip:nth-child(3){animation-delay:.16s}
@keyframes ae-in{from{opacity:0;transform:translateY(4px)}}
/* selection writing tools */
.seltools{position:fixed;z-index:60;display:flex;gap:2px;background:var(--card);border:1px solid var(--line2);border-radius:12px;box-shadow:var(--shadow);padding:4px}
.seltools[hidden]{display:none}
.seltools button{background:none;border:0;border-radius:8px;padding:6px 9px;font-size:13px;cursor:pointer;white-space:nowrap}.seltools button:hover{background:var(--card2)}
/* sidebar search + pins */
.side-search{display:flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:0 10px;margin:4px 0}
.side-search svg{width:15px;height:15px;color:var(--faint)}
.side-search input{flex:1;min-width:0;border:0;background:none;color:var(--text);font:inherit;font-size:14px;padding:8px 0;outline:none}
.conv .snip{display:block;font-size:11.5px;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.net-banner{background:var(--warn);color:#1d1f24;font-size:13.5px;text-align:center;padding:6px 12px}
/* generated image */
.gen-img{margin:10px 0 0}.gen-img img{max-width:min(100%,512px);border-radius:12px;display:block;border:1px solid var(--line)}
.gen-img figcaption{font-size:12.5px;color:var(--faint);margin-top:4px}
.gen-opts{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0}.gen-opts label{display:flex;gap:6px;align-items:center}
.gen-prog{margin:10px 0}.gen-prog .bar{height:8px;border-radius:99px;background:var(--card2);overflow:hidden}
.gen-prog .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#ff8a5b,#ffd36e,#7ee0b5,#6fb6ff);transition:width .4s}
.gen-prog span{font-size:13px;color:var(--dim)}
/* VM */
.dlg-in.wide{width:min(760px,94vw)}
.vm-out{background:#0b0e14;color:#d6f5e3;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;border-radius:10px;padding:10px 12px;height:min(320px,42vh);overflow:auto;white-space:pre-wrap;word-break:break-all;margin:8px 0}
.vm-row{display:flex;align-items:center;gap:8px;background:#0b0e14;border-radius:10px;padding:6px 10px}
.vm-ps{font:12.5px ui-monospace,monospace;color:#7ee0b5;white-space:nowrap}
.vm-row input{flex:1;min-width:0;background:none;border:0;color:#eceef3;font:13.5px ui-monospace,monospace;outline:none;padding:6px 0}
.vm-files{display:flex;flex-wrap:wrap;gap:6px}.vf{background:var(--card2);border:1px solid var(--line);border-radius:8px;padding:3px 9px;font-size:12.5px;cursor:pointer}
.vm-sb{white-space:pre-wrap;font:12.5px/1.5 ui-monospace,monospace;max-height:220px;overflow:auto}
/* settings tabs */
.stabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:4px 0 10px;overflow-x:auto;scrollbar-width:none}
.stab{background:none;border:0;border-bottom:2px solid transparent;padding:8px 12px;font-size:14px;color:var(--dim);cursor:pointer;white-space:nowrap}
.stab.on{color:var(--text);border-color:var(--acc);font-weight:600}
.spane[hidden]{display:none}
.ep-list{list-style:none;padding:0;margin:10px 0 0;display:flex;flex-direction:column;gap:6px}
.ep-list li{display:flex;align-items:center;gap:8px;font-size:13.5px;background:var(--card2);border-radius:9px;padding:7px 10px}
.ep-list li small{color:var(--faint)}.ep-list li em{margin-left:auto;font-style:normal;font-size:12px;color:var(--ok)}
.model-list{display:flex;flex-direction:column;gap:6px;margin:6px 0 12px}
.mopt{display:flex;flex-direction:column;align-items:flex-start;gap:1px;text-align:left;background:var(--card2);border:1px solid var(--line);border-radius:11px;padding:9px 12px;cursor:pointer;position:relative}
.mopt.on{border-color:var(--acc)}.mopt:disabled{opacity:.6;cursor:default}
.mopt small{color:var(--dim);font-size:12.5px}.mopt .lic{color:var(--faint);font-size:11.5px}
.mopt em{position:absolute;right:10px;top:9px;font-style:normal;font-size:12px;color:var(--acc2)}
#temp{width:100%;accent-color:var(--acc)}
.keys{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:8px 0}.keys dt{white-space:nowrap}.keys dd{margin:0;color:var(--dim)}
/* iPhone: safe areas, bigger tap targets, menus as sheets */
@media (max-width:600px){
  .composer-wrap{padding-bottom:max(8px,env(safe-area-inset-bottom))}
  .pop.up{position:fixed;left:8px;right:8px;bottom:calc(84px + env(safe-area-inset-bottom));min-width:0}
  .pop button,.pop-chk{padding:11px 12px;font-size:15px}
  .tb{display:none}.tool-badges{margin-right:auto}
  .seltools{left:8px!important;right:8px;justify-content:space-around;overflow-x:auto}
  .dlg-in.wide{width:96vw}.vm-out{height:36vh}
  .bnav button{padding:6px 10px}
}
/* v5: wide dialogs (VM, image) — size the dialog itself so content isn't clipped */
.dlg:has(.dlg-in.wide){width:min(760px,94vw);max-width:94vw}
.dlg-in.wide{width:auto;box-sizing:border-box;min-width:0}

/* v6.5 mobile artifact panel */
.tab{white-space:nowrap}.tabs{flex:none}
@media (max-width:860px){
  .art{height:100dvh;max-width:100vw}
  .art-top{height:auto;min-height:52px;flex-wrap:wrap;row-gap:4px;padding:8px 10px calc(8px) max(10px,env(safe-area-inset-left))}
  .art-title{flex:1 1 120px}
  .art-acts{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;margin-left:auto}
  .art-acts::-webkit-scrollbar{display:none}
  .art-acts .ic{flex:none}
  .art-ver{max-width:110px}
}
.art-body iframe{position:absolute;inset:0;height:100%}

/* v6.6 writing tools + selection bar */
.wt-wrap{position:relative;display:inline-flex}
.wt-menu{position:absolute;bottom:calc(100% + 6px);left:0;z-index:40;display:flex;flex-direction:column;min-width:170px;padding:6px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.18)}
.wt-menu[hidden]{display:none}
.wt-menu b{font-size:11px;color:var(--faint);padding:6px 10px 2px;font-weight:700}
.wt-menu button{width:auto!important;height:auto!important;text-align:left;padding:8px 10px;border-radius:9px;font-size:13.5px;color:var(--text);background:none;border:0;cursor:pointer;white-space:nowrap}
.wt-menu button:hover{background:var(--card2)}
.wt-menu{bottom:auto;top:calc(100% + 6px)}
.wt-menu button{text-align:left!important;justify-content:flex-start!important;display:block!important}
@media (max-width:860px){.chip-name{max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle}}

/* v7 reasoning-tier gauge (High / Medium / Low) */
.tier-btn{width:auto!important;padding:0 10px 0 7px!important;gap:5px;display:inline-flex;align-items:center;border-radius:999px}
.tier-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.tier-btn .needle{transform-origin:12px 16px;transition:transform .35s cubic-bezier(.3,1.4,.5,1)}
.tier-btn[data-tier=low] .needle{transform:rotate(-95deg)}
.tier-btn[data-tier=medium] .needle{transform:rotate(-40deg)}
.tier-btn[data-tier=high] .needle{transform:rotate(0)}
.tier-t{font-size:12.5px;font-weight:600}
.tier-btn.switching{opacity:.75}.tier-btn.switching .needle{animation:tierSpin 1s ease-in-out infinite alternate}
@keyframes tierSpin{from{transform:rotate(-95deg)}to{transform:rotate(0)}}
.tier-menu button{display:flex;flex-direction:column;align-items:flex-start;gap:1px}
.tier-menu button small{opacity:.65;font-size:12px}
.tier-menu button[aria-checked=true]::after{content:"✓";position:absolute;right:14px;top:50%;transform:translateY(-50%)}
.tier-menu button{position:relative}
.pop-foot{display:block;padding:8px 12px 4px;font-size:12px;opacity:.7;text-decoration:none;color:inherit}
body.tier-switching .composer{box-shadow:0 0 0 2px rgba(120,140,255,.35)}
@media (prefers-reduced-motion:reduce){.tier-btn .needle{transition:none}.tier-btn.switching .needle{animation:none}}
/* ===== v7.1 Liquid Glass ===== */
:root,[data-theme=dark]{--glass:rgba(30,34,46,.55);--glass-edge:rgba(255,255,255,.14)}
html[data-theme=light]{--glass:rgba(255,255,255,.6);--glass-edge:rgba(255,255,255,.9)}
.main{background:radial-gradient(900px 500px at 90% -10%,rgba(255,170,120,.16),transparent 60%),radial-gradient(800px 500px at -10% 110%,rgba(110,160,255,.14),transparent 60%),var(--bg)}
.top{background:var(--glass);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);position:relative;z-index:20}
.composer-wrap{padding-bottom:calc(14px + env(safe-area-inset-bottom))}
.composer{border-radius:30px;background:var(--glass);-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);border:1px solid var(--glass-edge);box-shadow:inset 0 1px 0 var(--glass-edge),0 18px 50px rgba(30,20,10,.16)}
.pop,.dlg,.card{background:var(--glass);-webkit-backdrop-filter:saturate(180%) blur(22px);backdrop-filter:saturate(180%) blur(22px);border-color:var(--glass-edge);box-shadow:inset 0 1px 0 var(--glass-edge),var(--shadow)}
.pop{background:var(--card);background:color-mix(in srgb,var(--card) 82%,transparent)}
.toast{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.top,.composer,.pop,.dlg,.card{background:var(--card)}}
@media (prefers-reduced-transparency:reduce){.top,.composer,.pop,.dlg,.card{-webkit-backdrop-filter:none!important;backdrop-filter:none!important;background:var(--card)!important}}
@media (prefers-reduced-motion:reduce){.card,.composer{transition:none!important}.card:hover{transform:none}}