@font-face{font-family:"Sans";src:url(fonts/sans.woff2) format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"Mono";src:url(fonts/mono.woff2) format("woff2");font-weight:100 800;font-display:swap}
:root{
  --bg:#212121;--side:#171717;--panel:#2f2f2f;--line:#3a3a3a;--hover:#2a2a2a;
  --tx:#ececec;--mut:#a3a3a3;--dim:#7a7a7a;--acc:#c6ff3d;--acc-ink:#0c0d0b;--red:#ff6b6b;
  --r:16px;--side-w:272px;--maxw:768px;
  font-family:"Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--tx);-webkit-text-size-adjust:100%}
body{overflow:hidden;font-size:16px;line-height:1.6}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--acc)}
code,pre,kbd{font-family:"Mono",ui-monospace,Menlo,monospace}
[hidden]{display:none!important}

#app{display:flex;height:100dvh;width:100%}

/* sidebar */
#side{width:var(--side-w);background:var(--side);display:flex;flex-direction:column;padding:10px;gap:8px;flex:none;min-height:0}
.side-top{display:flex;align-items:center;justify-content:space-between;padding:4px 6px}
.brand{display:flex;align-items:center;gap:10px;color:var(--tx);text-decoration:none;font-size:15px}
.brand img{border-radius:50%;box-shadow:0 0 0 2px var(--acc)}
.brand b{color:var(--acc);font-weight:600}
.new{display:flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--line);border-radius:12px;padding:10px 12px;text-align:left}
.new:hover{background:var(--hover)}
.new span{color:var(--acc);font-weight:700}
.search{width:100%;background:var(--panel);border:1px solid transparent;border-radius:10px;padding:8px 12px;outline:none;font-size:14px}
.search:focus{border-color:var(--line)}
#convList{flex:1;overflow-y:auto;min-height:0;margin:0 -4px;padding:0 4px}
.grp{font-size:12px;color:var(--dim);padding:12px 8px 4px}
.conv{display:flex;align-items:center;border-radius:10px;font-size:14px;position:relative}
.conv a{flex:1;min-width:0;padding:9px 10px;color:var(--tx);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv:hover,.conv.on{background:var(--panel)}
.conv .cm{opacity:0;background:none;border:0;color:var(--mut);padding:6px 8px;border-radius:8px}
.conv:hover .cm,.conv.on .cm{opacity:1}
.cmenu{position:absolute;right:4px;top:100%;z-index:5;background:#353535;border:1px solid var(--line);border-radius:10px;padding:4px;min-width:140px;box-shadow:0 8px 24px #0008}
.cmenu button{display:block;width:100%;text-align:left;background:none;border:0;padding:8px 10px;border-radius:7px;font-size:14px}
.cmenu button:hover{background:var(--hover)}
.cmenu .del{color:var(--red)}
.side-foot{border-top:1px solid var(--line);padding-top:8px;display:flex;flex-direction:column;gap:4px}
.side-btn{display:block;background:none;border:0;text-align:left;padding:9px 10px;border-radius:10px;color:var(--tx);text-decoration:none;font-size:14px}
.side-btn:hover{background:var(--hover)}
.bal{background:var(--panel);border-radius:12px;padding:10px 12px;margin-bottom:4px}
.bal-l{font-size:12px;color:var(--mut)}
.bal-v{font-size:20px;font-weight:600;color:var(--acc);font-variant-numeric:tabular-nums;line-height:1.3}
.bal-x{font-size:12px;color:var(--mut);line-height:1.45}
.bal.low .bal-v{color:var(--red)}

/* main */
#main{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}
#top{display:flex;align-items:center;gap:6px;padding:8px 10px;height:56px;flex:none}
.model-btn{background:none;border:0;border-radius:10px;padding:8px 10px;font-size:17px;font-weight:600;display:flex;align-items:center;gap:6px;max-width:70vw;min-width:0}
.model-btn span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.model-btn i{font-style:normal;color:var(--mut);font-size:13px}
.model-btn:hover{background:var(--hover)}
#newChat2{margin-left:auto}
.icon{background:none;border:0;border-radius:10px;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--tx);flex:none}
.icon:hover{background:var(--hover)}
.only-m{display:none}

#chat{flex:1;overflow-y:auto;min-height:0;padding:8px 16px 24px;overscroll-behavior:contain}
.msg{max-width:var(--maxw);margin:0 auto;padding:10px 0}
.msg.user{display:flex;flex-direction:column;align-items:flex-end}
.msg.user .bubble{background:var(--panel);border-radius:20px;padding:10px 16px;max-width:85%;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.user .imgs{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;margin-bottom:6px}
.msg.user .imgs img{width:120px;height:120px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.msg.bot{display:flex;gap:12px}
.av{width:28px;height:28px;border-radius:50%;flex:none;margin-top:2px;box-shadow:0 0 0 1.5px var(--acc)}
.mbody{flex:1;min-width:0}
.mdl{font-size:12px;color:var(--dim);margin-bottom:2px}
.md{overflow-wrap:anywhere}
.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}
.md p{margin:0 0 .8em}
.md ul,.md ol{padding-left:1.4em;margin:0 0 .8em}
.md li{margin:.2em 0}
.md h1,.md h2,.md h3,.md h4{line-height:1.3;margin:1.1em 0 .5em}
.md h1{font-size:1.4em}.md h2{font-size:1.25em}.md h3{font-size:1.1em}
.md a{color:var(--acc)}
.md blockquote{margin:0 0 .8em;padding-left:12px;border-left:3px solid var(--line);color:var(--mut)}
.md table{border-collapse:collapse;display:block;overflow-x:auto;max-width:100%;margin:0 0 .8em;font-size:14px}
.md th,.md td{border:1px solid var(--line);padding:6px 10px;text-align:left}
.md th{background:var(--panel)}
.md hr{border:0;border-top:1px solid var(--line);margin:1.2em 0}
.md :not(pre)>code{background:#3a3a3a;border-radius:6px;padding:.1em .4em;font-size:.88em}
.md img{max-width:100%;border-radius:10px}
.cb{background:#0d0d0d;border-radius:12px;margin:0 0 .9em;overflow:hidden;border:1px solid #2b2b2b}
.cb-h{display:flex;justify-content:space-between;align-items:center;padding:6px 12px;background:#2a2a2a;font-size:12px;color:var(--mut);font-family:"Mono",monospace}
.cb-h button{background:none;border:0;color:var(--mut);font-size:12px;padding:2px 6px;border-radius:6px}
.cb-h button:hover{color:var(--tx)}
.cb pre{margin:0;padding:12px 14px;overflow-x:auto;font-size:13.5px;line-height:1.55}
.cb pre code.hljs{background:none;padding:0}
.think{margin:0 0 10px;border-left:2px solid var(--line);padding-left:10px;color:var(--mut);font-size:14px}
.think summary{cursor:pointer;list-style:none;font-size:13px;color:var(--dim);user-select:none}
.think summary::-webkit-details-marker{display:none}
.think summary::before{content:"▸ ";}
.think[open] summary::before{content:"▾ ";}
.think .tx{white-space:pre-wrap;margin-top:4px;max-height:320px;overflow-y:auto}
.acts{display:flex;gap:2px;margin-top:6px;align-items:center;flex-wrap:wrap}
.acts button{background:none;border:0;color:var(--mut);font-size:13px;padding:5px 8px;border-radius:8px}
.acts button:hover{background:var(--hover);color:var(--tx)}
.acts .stat{font-size:12px;color:var(--dim);margin-left:6px;font-variant-numeric:tabular-nums}
.msg.user .acts{justify-content:flex-end}
.err-box{background:#3a1f1f;border:1px solid #5c2b2b;color:#ffc9c9;border-radius:12px;padding:10px 14px;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}
.err-box a{color:#fff}
.cursor::after{content:"";display:inline-block;width:.55em;height:1.05em;background:var(--acc);vertical-align:-.15em;margin-left:2px;animation:blink 1s steps(2) infinite;border-radius:2px}
.dots{display:inline-flex;gap:5px;padding:8px 0}
.dots i{width:7px;height:7px;border-radius:50%;background:var(--mut);animation:bob 1.2s infinite ease-in-out}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes blink{50%{opacity:0}}
@keyframes bob{0%,80%,100%{transform:translateY(0);opacity:.4}40%{transform:translateY(-5px);opacity:1}}
.edit-box{width:100%;max-width:85%;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:10px 14px}
.edit-box textarea{width:100%;background:none;border:0;outline:none;resize:none;min-height:60px}
.edit-box .row{display:flex;gap:8px;justify-content:flex-end}

.empty{position:absolute;inset:56px 0 150px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:16px;pointer-events:none}
.empty img{border-radius:50%;box-shadow:0 0 0 2px var(--acc);margin-bottom:14px}
.empty h1{font-size:clamp(22px,5vw,28px);margin:0 0 4px;font-weight:600}
.empty p{color:var(--mut);margin:0 0 18px;font-size:14px}
.sugs{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-width:560px;width:100%;pointer-events:auto}
.sugs button{background:none;border:1px solid var(--line);border-radius:14px;padding:10px 12px;text-align:left;font-size:14px;color:var(--mut);line-height:1.4}
.sugs button b{display:block;color:var(--tx);font-weight:500}
.sugs button:hover{background:var(--hover)}

/* composer */
#composer{flex:none;padding:0 16px calc(8px + env(safe-area-inset-bottom));max-width:calc(var(--maxw) + 32px);width:100%;margin:0 auto}
.box{display:flex;align-items:flex-end;gap:6px;background:var(--panel);border-radius:26px;padding:8px;border:1px solid #3d3d3d}
.box:focus-within{border-color:#555}
#input{flex:1;background:none;border:0;outline:none;resize:none;max-height:200px;padding:8px 4px;line-height:1.5;font-size:16px}
.clip{cursor:pointer;font-size:22px;color:var(--mut)}
.send{width:40px;height:40px;border-radius:50%;border:0;background:var(--acc);color:var(--acc-ink);font-size:20px;font-weight:700;flex:none;display:flex;align-items:center;justify-content:center}
.send:disabled{background:#4a4a4a;color:#2a2a2a;cursor:default}
.send.stop{background:var(--tx);color:#111;font-size:14px}
.hint{text-align:center;font-size:12px;color:var(--dim);padding:6px 0 0}
.attach{display:flex;gap:8px;flex-wrap:wrap;padding:0 0 8px}
.attach .th{position:relative}
.attach img{width:64px;height:64px;object-fit:cover;border-radius:12px;border:1px solid var(--line);display:block}
.attach button{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;border:0;background:#000;color:#fff;font-size:12px;line-height:22px;padding:0}

/* modal */
.modal{position:fixed;inset:0;background:#000b;z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}
.card{background:#262626;border:1px solid var(--line);border-radius:20px;padding:22px;width:100%;max-width:440px;max-height:calc(100dvh - 32px);overflow-y:auto}
.card h2{margin:0 0 8px;font-size:20px}
.logo-r{border-radius:50%;box-shadow:0 0 0 2px var(--acc);display:block;margin:0 auto 12px}
#keyModal .card{text-align:center}
#keyModal form{text-align:left}
.muted{color:var(--mut);font-size:14px}.small{font-size:13px}
.muted code{font-size:.9em;background:#3a3a3a;padding:.05em .35em;border-radius:5px;color:var(--tx)}
.keyrow{display:flex;gap:6px;margin-top:6px}
.keyrow input{flex:1;min-width:0;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px;outline:none;font-family:"Mono",monospace;font-size:14px}
.keyrow input:focus{border-color:var(--acc)}
.keyrow .icon{border:1px solid var(--line);height:auto}
.primary{width:100%;margin-top:12px;background:var(--acc);color:var(--acc-ink);border:0;border-radius:12px;padding:12px;font-weight:600;font-size:16px}
.primary:disabled{opacity:.6}
.ghost{background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:14px}
.ghost:hover{background:var(--hover)}
.danger{background:none;border:1px solid #5c2b2b;color:var(--red);border-radius:10px;padding:8px 12px;font-size:14px}
.err{color:var(--red);font-size:14px;margin-top:8px}
.sheet{max-width:520px}
.sheet-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.sheet-h h2{margin:0}
.mlist{margin-top:10px}
.mgrp{font-size:12px;color:var(--dim);padding:10px 4px 4px;text-transform:uppercase;letter-spacing:.06em}
.mi{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;background:none;border:0;text-align:left;padding:10px;border-radius:10px;font-size:15px}
.mi:hover{background:var(--hover)}
.mi.on{background:var(--panel)}
.mi.on::after{content:"✓";color:var(--acc);font-weight:700}
.mi small{color:var(--dim);font-size:12px;margin-left:6px}
.fl{display:block;font-size:14px;color:var(--mut);margin:0 0 14px}
.fl textarea{width:100%;margin-top:6px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px;outline:none;resize:vertical;color:var(--tx)}
.fl input[type=range]{width:100%;accent-color:var(--acc);margin-top:6px}
.chk{display:flex;gap:8px;align-items:center;font-size:14px;color:var(--mut);margin-bottom:14px}
.chk input{accent-color:var(--acc);width:18px;height:18px}
.row-btn{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
#logoutBtn{width:100%;margin-bottom:6px}
#toast{position:fixed;left:50%;bottom:calc(110px + env(safe-area-inset-bottom));transform:translateX(-50%);background:#f2f2f2;color:#111;padding:8px 16px;border-radius:999px;font-size:14px;z-index:60;box-shadow:0 6px 20px #0006;max-width:90vw;text-align:center}
#scrim{position:fixed;inset:0;background:#0009;z-index:30}

@media (max-width:820px){
  .only-m{display:inline-flex}
  #side{position:fixed;inset:0 auto 0 0;z-index:40;width:min(86vw,300px);transform:translateX(-102%);transition:transform .22s ease;padding-top:calc(10px + env(safe-area-inset-top))}
  #side.open{transform:none}
  #top{padding-top:env(safe-area-inset-top);height:calc(56px + env(safe-area-inset-top))}
  .model-btn{margin:0 auto;font-size:16px}
  #newChat2{margin-left:0}
  #chat{padding:8px 12px 20px}
  #composer{padding:0 10px calc(8px + env(safe-area-inset-bottom))}
  .msg.user .bubble{max-width:90%}
  .msg.user .imgs img{width:96px;height:96px}
  .msg.bot{gap:0}.msg.bot .av{display:none}
  .conv .cm{opacity:1}
  .hint{display:none}
}
@media (max-width:420px){.sugs{grid-template-columns:1fr}.sugs button:nth-child(n+3){display:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.ic{display:block;flex:none}
.new,.side-btn{display:flex;align-items:center;gap:10px}
.new .ic{color:var(--acc)}
.side-btn .ic{color:var(--mut)}
.model-btn i{display:flex}
.clip .ic{color:var(--mut)}
#side{box-shadow:1px 0 0 #2a2a2a}
@media (max-width:820px){#side{box-shadow:8px 0 30px #000a}}
.cb-h button{font-family:"Sans",system-ui,sans-serif}
.send:disabled{background:#565656;color:#2a2a2a}
.mdl,.acts .stat{color:#8c8c8c}
#toast{bottom:calc(120px + env(safe-area-inset-bottom))}
.msg.bot .acts{margin-left:-8px}
.msg.user .acts{margin-right:-8px}
@media (min-width:821px){#toast{left:calc(50% + var(--side-w)/2)}}