:root{--bg:#fff;--bg2:#f6f6f4;--bg3:#ecebe7;--line:#e2e1dc;--text:#1f1f1d;--muted:#73726c;--accent:#2f6fde;--accent-bg:#e7effc;--danger:#c23b3b;--ok:#2e7d32;--warn:#a26200;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans","Noto Nastaliq Urdu",sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#1b1b1a;--bg2:#222220;--bg3:#2c2c2a;--line:#363633;--text:#ecebe6;--muted:#9c9a92;--accent:#6ea0ff;--accent-bg:#1f2c44;--danger:#ff7b7b;--ok:#7bd88f;--warn:#f0b35a}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:15px/1.5 var(--font)}
button,input,select,textarea{font:inherit;color:inherit}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

.shell{display:grid;grid-template-columns:64px 250px minmax(0,1fr);height:100dvh}
.rail{background:var(--bg3);display:flex;flex-direction:column;align-items:center;gap:10px;padding:12px 0;overflow-y:auto}
.space{position:relative;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--bg);font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.space.on{outline:2px solid var(--accent);outline-offset:1px}
.space .dot{position:absolute;top:-3px;right:-3px;margin:0}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;margin-left:auto;flex-shrink:0}

.side{background:var(--bg2);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.side-head{display:flex;align-items:center;justify-content:space-between;padding:12px 10px 6px 16px;min-height:52px}
.side-scroll{flex:1;overflow-y:auto;padding:0 8px 12px}
.sec{font-size:12px;color:var(--muted);margin:14px 8px 4px}
.item{display:flex;align-items:center;gap:8px;width:100%;padding:6px 8px;border:0;background:none;border-radius:8px;cursor:pointer;color:var(--muted);text-align:left}
.item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item:hover{background:var(--bg3)}
.item.on{background:var(--bg3);color:var(--text)}
.item.unread{color:var(--text);font-weight:600}
.side-foot{display:flex;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid var(--line)}
.who{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.25}
.who b,.who span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.who span{font-size:12px;color:var(--muted)}

.main{min-width:0;display:flex;flex-direction:column;min-height:0}
.chat{display:flex;flex-direction:column;flex:1;min-height:0}
.head{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--line);min-height:58px}
.head>div{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.3}
.head span{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ico{color:var(--muted);display:inline-flex}
.msgs{flex:1;overflow-y:auto;padding:12px 16px}
.msg{display:flex;gap:10px;padding:4px 6px;border-radius:8px}
.msg.compact{padding-top:0}
.msg:hover{background:var(--bg2)}
.msg.tagged{background:var(--accent-bg)}
.gutter{width:34px;flex-shrink:0;font-size:11px;color:var(--muted);text-align:right;visibility:hidden;padding-top:3px}
.msg:hover .gutter{visibility:visible}
.bubble{min-width:0;flex:1}
.meta{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.meta span,.meta time{font-size:12px;color:var(--muted)}
.text{overflow-wrap:anywhere}
.text a{color:var(--accent)}
.mention{color:var(--accent);background:var(--accent-bg);border-radius:4px;padding:0 3px}
.mention.me{font-weight:600}
.img img{max-width:min(320px,100%);max-height:280px;border-radius:8px;margin-top:6px;display:block;border:1px solid var(--line)}
.file{display:inline-flex;align-items:center;gap:6px;margin-top:6px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;color:var(--text);text-decoration:none}
.day{text-align:center;margin:14px 0 6px;font-size:12px;color:var(--muted)}
.older{display:block;margin:4px auto 10px}
.empty{color:var(--muted);text-align:center;padding:40px 16px}
.typing{min-height:22px;padding:0 22px;font-size:12px;color:var(--muted)}
.dots i{display:inline-block;width:4px;height:4px;border-radius:50%;background:currentColor;margin-left:3px;animation:bl 1.2s infinite}
.dots i:nth-child(2){animation-delay:.2s}.dots i:nth-child(3){animation-delay:.4s}
@keyframes bl{0%,80%,100%{opacity:.25}40%{opacity:1}}

.composer{padding:0 16px 14px;position:relative}
.composer .row{display:flex;align-items:flex-end;gap:4px;border:1px solid var(--line);border-radius:12px;padding:6px;background:var(--bg);margin:0}
.composer textarea{flex:1;border:0;outline:0;resize:none;background:none;padding:7px 4px;max-height:160px;min-height:36px}
.icon{width:36px;height:36px;border:0;background:none;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);flex-shrink:0}
.icon:hover,.icon.on{background:var(--bg3);color:var(--text)}
.icon.send{color:var(--accent)}
.icon.sm{width:26px;height:26px}
#micBtn.on{color:#fff;background:var(--danger)}
.lang{height:36px;padding:0 8px;border:1px solid var(--line);border-radius:8px;background:none;cursor:pointer;font-size:12px;color:var(--muted)}
.mentions{position:absolute;bottom:100%;left:16px;right:16px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:4px;box-shadow:0 8px 24px rgba(0,0,0,.12);z-index:5}
.pick{display:flex;align-items:center;gap:8px;width:100%;padding:6px 8px;border:0;background:none;border-radius:6px;cursor:pointer;text-align:left}
.pick span{color:var(--muted);font-size:12px}
.pick.on,.pick:hover{background:var(--bg3)}
.attach{display:inline-flex;align-items:center;gap:6px;margin-bottom:6px;padding:4px 4px 4px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px}
.err{color:var(--danger);font-size:13px;min-height:18px;margin-top:4px}
.av{border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:600;flex-shrink:0;object-fit:cover}
.back{display:none}

.panel{flex:1;overflow-y:auto}
.phead{display:flex;align-items:center;gap:8px;padding:12px 20px;border-bottom:1px solid var(--line);min-height:58px}
.phead h2{font-size:17px;margin:0;font-weight:600}
.pbody{padding:16px 20px 40px;max-width:820px}
.pbody.narrow{max-width:560px}
.pbody h3{font-size:15px;margin:22px 0 8px}
.pbody h4{font-size:13px;margin:14px 0 6px;color:var(--muted)}
.tabs{display:flex;gap:4px;padding:6px 16px 0;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{border:0;background:none;padding:8px 12px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.on{color:var(--text);border-bottom-color:var(--accent)}
.muted{color:var(--muted);font-size:13px}
.pad{padding:6px 8px}
.btn{height:34px;padding:0 14px;border:1px solid var(--line);background:var(--bg);border-radius:8px;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--bg3)}
.btn.sm{height:28px;padding:0 10px;font-size:13px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.ghost{background:none}
.busy{opacity:.6;pointer-events:none}
input:not([type=checkbox]),select{height:36px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);width:100%}
input:focus,select:focus{outline:2px solid var(--accent-bg);border-color:var(--accent)}
label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
label.check{flex-direction:row;align-items:center;gap:8px;color:var(--text);font-size:14px;padding:4px 0}
label.check.small{font-size:12px;color:var(--muted)}
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-items:end}
.form .full,.form .err,.form>p,.form .agent-only{grid-column:1/-1}
.agent-only{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.form.inline{display:flex;gap:8px}
.form.inline input{flex:1}
.form.inline select{width:auto}
.mrow,.logrow{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.mrow.off{opacity:.55}
.grow{flex:1;min-width:0;display:flex;flex-direction:column}
.grow span{font-size:12px;color:var(--muted)}
.editor{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0 12px}
.check-row{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.pill{font-size:11px;padding:2px 8px;border-radius:6px;background:var(--bg3);color:var(--muted);white-space:nowrap}
.pill.agent{background:var(--accent-bg);color:var(--accent)}
.pill.ok{background:rgba(46,125,50,.14);color:var(--ok)}
.pill.bad{background:rgba(194,59,59,.14);color:var(--danger)}
.pill.warn{background:rgba(162,98,0,.14);color:var(--warn)}
.bad-text{color:var(--danger)}
.keybox{border:1px solid var(--warn);background:rgba(162,98,0,.08);border-radius:10px;padding:12px;margin-bottom:14px}
.keybox code,.mono{font-family:ui-monospace,Menlo,monospace;word-break:break-all;font-size:13px}
.keybox code{display:block;margin-top:6px}
.card{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px}
.card-head,.sec-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:10px 0 8px}
.stat{background:var(--bg2);border-radius:8px;padding:8px 10px;display:flex;flex-direction:column}
.stat span{font-size:12px;color:var(--muted)}
.stat b{font-size:18px}
.row-btn{display:flex;align-items:center;gap:10px;width:100%;padding:8px 6px;border:0;border-bottom:1px solid var(--line);background:none;cursor:pointer;text-align:left}
.row-btn:hover{background:var(--bg2)}
.row-btn>div{flex:1;min-width:0}
.row-btn>div span{font-size:12px;color:var(--muted)}
.ellipsis{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logrow time,.row-btn time{font-size:12px;color:var(--muted);white-space:nowrap}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:14px;z-index:10;max-width:90vw}
.toast.bad{background:var(--danger);color:#fff}

.login{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg2)}
.login .card{width:100%;max-width:360px;background:var(--bg);display:flex;flex-direction:column;gap:12px;padding:24px}
.login h1{margin:0 0 4px;font-size:22px}

@media (max-width:760px){
  .shell{grid-template-columns:60px minmax(0,1fr)}
  .main{display:none}
  .shell.show-main{grid-template-columns:minmax(0,1fr)}
  .shell.show-main .rail,.shell.show-main .side{display:none}
  .shell.show-main .main{display:flex}
  .back{display:inline-flex}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form,.agent-only{grid-template-columns:minmax(0,1fr)}
  .msgs{padding:10px}
  .composer{padding:0 8px 10px}
  .gutter{display:none}
}

/* conversation memory */
.mem-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.mem-box{background:var(--bg);border:1px solid var(--line);border-radius:14px;width:min(720px,100%);max-height:calc(100dvh - 32px);display:flex;flex-direction:column;gap:8px;padding:16px}
.mem-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.mem-head b{font-size:16px}
.mem-box .muted{margin:0}
.mem-text{width:100%;min-height:50vh;resize:vertical;border:1px solid var(--line);border-radius:10px;padding:10px;background:var(--bg2);font-family:ui-monospace,Menlo,monospace;font-size:13px;line-height:1.5}
.mem-read{white-space:pre-wrap;overflow:auto;max-height:60vh;border:1px solid var(--line);border-radius:10px;padding:10px;background:var(--bg2);font-size:14px}
.mem-box .row{display:flex;gap:8px;margin:0}