:root{--bg:#fff;--side:#f7f7f8;--panel:#fff;--bd:#e7e7ea;--fg:#0f0f10;--mut:#6e6e76;--soft:#f2f2f4;--user:#f2f2f4;--code:#f6f6f8;--acc:#0f0f10;--accfg:#fff;--hov:#ececef}
.dark{--bg:#141415;--side:#1b1b1d;--panel:#1f1f21;--bd:#2c2c30;--fg:#ececee;--mut:#9a9aa2;--soft:#262628;--user:#2a2a2d;--code:#1b1b1d;--acc:#ececee;--accfg:#111;--hov:#29292c}
*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;cursor:pointer}a{color:inherit;text-underline-offset:2px}
.logo{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--acc);color:var(--accfg);font-weight:700;font-size:18px}.logo.sm{width:24px;height:24px;font-size:12px;border-radius:7px;margin-right:8px}
body.login{display:grid;place-items:center;background:var(--side)}
.card{width:min(370px,92vw);background:var(--panel);border:1px solid var(--bd);border-radius:20px;padding:34px 30px;box-shadow:0 8px 40px #0000000f;text-align:center}
.card h1{margin:16px 0 2px;font-size:21px;font-weight:600}.sub{color:var(--mut);margin:0 0 22px;font-size:14px}.foot{color:var(--mut);font-size:12px;margin:18px 0 0}
.card form{display:grid;gap:14px;text-align:left}.card label{font-size:13px;color:var(--mut);display:grid;gap:6px}
.card input{padding:11px 14px;border-radius:12px;border:1px solid var(--bd);background:var(--bg);color:var(--fg);font:inherit;outline:none}.card input:focus{border-color:var(--mut)}
.card button{margin-top:6px;padding:11px;border:0;border-radius:12px;background:var(--acc);color:var(--accfg);font-weight:600}
.err{background:#e5484d14;border:1px solid #e5484d40;color:#d93036;padding:8px 12px;border-radius:10px;margin-bottom:14px;font-size:14px}
#app{display:flex;height:100%}#side{width:248px;background:var(--side);border-right:1px solid var(--bd);display:flex;flex-direction:column;flex-shrink:0}
.sidetop{padding:12px 10px 6px}.brand{display:flex;align-items:center;font-weight:600;margin:4px 6px 12px;font-size:15px}
.newc{width:100%;padding:8px 10px;border-radius:10px;border:0;background:none;text-align:left;font-size:14px;display:flex;gap:8px}.newc:hover{background:var(--hov)}
.label{font-size:11px;color:var(--mut);padding:10px 18px 4px;text-transform:uppercase;letter-spacing:.04em}
#list{flex:1;overflow:auto;padding:0 8px}.item{display:flex;align-items:center;gap:2px;padding:6px 10px;border-radius:8px;cursor:pointer;font-size:13.5px}
.item span{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item:hover{background:var(--hov)}.item.on{background:var(--hov);font-weight:500}
.item button{visibility:hidden;background:none;border:0;padding:1px 5px;border-radius:5px;color:var(--mut);font-size:12px}.item:hover button{visibility:visible}.item button:hover{color:var(--fg)}
.sidebot{padding:10px;display:flex;gap:6px}.ghost{flex:1;padding:7px;border:0;border-radius:8px;background:none;color:var(--mut);text-align:center;text-decoration:none;font-size:13px}.ghost:hover{background:var(--hov);color:var(--fg)}
#main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}.top{display:flex;align-items:center;gap:10px;padding:12px 18px;height:52px}#title{font-weight:500;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--mut)}
.icon{display:none;background:none;border:0;font-size:19px}
#log{flex:1;overflow:auto;padding:12px 18px 24px}#empty{text-align:center;margin-top:24vh;color:var(--mut)}#empty h2{color:var(--fg);font-weight:500;font-size:26px;margin:0 0 6px}
.msg{max-width:740px;margin:0 auto 26px;display:flex;flex-direction:column}.msg.user{align-items:flex-end}
.msg.user .bub{background:var(--user);padding:10px 16px;border-radius:20px;max-width:80%;white-space:pre-wrap;word-wrap:break-word}.msg.assistant .bub{width:100%}
.ts{font-size:11px;color:var(--mut);margin-top:4px;opacity:0;transition:opacity .15s}.msg:hover .ts{opacity:1}
.atts{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px;justify-content:flex-end}.atts img{max-width:220px;max-height:180px;border-radius:12px;border:1px solid var(--bd);cursor:zoom-in;display:block}
.fchip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--bd);border-radius:10px;font-size:13px;background:var(--panel);color:var(--fg);text-decoration:none;max-width:240px}.fchip b{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fchip i{font-style:normal;color:var(--mut);font-size:11px}
.md p{margin:.5em 0}.md>:first-child{margin-top:0}.md h1,.md h2,.md h3{margin:1em 0 .35em;line-height:1.3;font-weight:600}.md h1{font-size:1.3em}.md h2{font-size:1.15em}.md h3{font-size:1.03em}
.md ul,.md ol{padding-left:1.4em;margin:.4em 0}.md li{margin:.15em 0}.md code{background:var(--soft);padding:1px 5px;border-radius:5px;font:13px ui-monospace,SFMono-Regular,Menlo,monospace}
.pre{margin:12px 0;border:1px solid var(--bd);border-radius:12px;overflow:hidden;background:var(--code)}.pre .bar{display:flex;justify-content:space-between;padding:6px 12px;font-size:12px;color:var(--mut)}
.pre .bar button{background:none;border:0;color:var(--mut);font-size:12px}.pre .bar button:hover{color:var(--fg)}.pre pre{margin:0;padding:4px 14px 14px;overflow:auto}.pre code{background:none;padding:0}
.md blockquote{border-left:3px solid var(--bd);margin:.5em 0;padding-left:12px;color:var(--mut)}
.typing{display:inline-flex;gap:5px;padding:8px 0}.typing span{width:7px;height:7px;border-radius:50%;background:var(--mut);animation:b 1.4s ease-in-out infinite}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
.typing+small{color:var(--mut);margin-left:8px;font-size:13px}@keyframes b{0%,60%,100%{opacity:.25;transform:scale(.85)}30%{opacity:1;transform:scale(1)}}
#f{padding:0 18px 18px}.box{max-width:740px;margin:0 auto;background:var(--panel);border:1px solid var(--bd);border-radius:26px;padding:10px 10px 8px 18px;box-shadow:0 2px 14px #00000010}.box:focus-within{border-color:var(--mut)}
textarea{width:100%;resize:none;border:0;background:none;color:var(--fg);font:inherit;outline:none;max-height:240px;padding:6px 0;display:block}
.row{display:flex;justify-content:space-between;align-items:center}.icon2{background:none;border:0;color:var(--mut);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;margin-left:-8px}.icon2:hover{background:var(--hov);color:var(--fg)}
#send{width:34px;height:34px;border-radius:50%;border:0;background:var(--acc);color:var(--accfg);display:grid;place-items:center}#send:disabled{opacity:.3;cursor:default}
#chips{display:flex;flex-wrap:wrap;gap:8px}#chips:not(:empty){padding:4px 0 8px}.chip{position:relative;display:flex;align-items:center;gap:8px;border:1px solid var(--bd);border-radius:12px;padding:5px 26px 5px 5px;font-size:12.5px;max-width:220px;background:var(--side)}
.chip img,.chip .ft{width:38px;height:38px;border-radius:8px;object-fit:cover;flex-shrink:0}.chip .ft{display:grid;place-items:center;background:var(--hov);font-size:10px;font-weight:600;color:var(--mut)}
.chip div{overflow:hidden}.chip b{display:block;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chip i{font-style:normal;color:var(--mut);font-size:11px}
.chip .x{position:absolute;top:4px;right:4px;border:0;background:none;color:var(--mut);font-size:14px;line-height:1;padding:2px}.chip.up{opacity:.55}.chip.bad{border-color:#e5484d}
#drop{display:none;position:absolute;inset:10px;border:2px dashed var(--mut);border-radius:20px;background:color-mix(in srgb,var(--bg) 85%,transparent);z-index:5;place-items:center;font-size:17px;color:var(--mut);pointer-events:none}#main.drag #drop{display:grid}
#scrim{display:none}#lb{position:fixed;inset:0;background:#000c;display:grid;place-items:center;z-index:50;cursor:zoom-out}#lb img{max-width:94vw;max-height:94vh;border-radius:8px}
@media(max-width:760px){#side{position:fixed;z-index:20;height:100%;transform:translateX(-100%);transition:transform .2s}#app.open #side{transform:none}#app.open #scrim{display:block;position:fixed;inset:0;background:#0005;z-index:10}.icon{display:block}#f{padding:0 10px 10px}.msg.user .bub{max-width:90%}}
.cancel{margin-left:10px;border:1px solid var(--bd);background:none;border-radius:999px;padding:1px 10px;font-size:12px;color:var(--mut)}.cancel:hover{color:var(--fg);border-color:var(--mut)}