:root{
  --bg:#ffffff;--bg2:#f7f7f8;--bg3:#efeff1;--panel:#ffffff;--line:#e4e4e7;--line2:#d4d4d8;
  --text:#18181b;--text2:#52525b;--text3:#8b8b94;--accent:#4f46e5;--accent2:#6366f1;--accent-bg:#eef2ff;
  --ok:#15803d;--ok-bg:#f0fdf4;--bad:#b91c1c;--bad-bg:#fef2f2;--warn:#a16207;--warn-bg:#fefce8;
  --code:#f4f4f5;--shadow:0 8px 30px rgba(0,0,0,.08),0 1px 3px rgba(0,0,0,.06);--r:12px;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
:root[data-theme=dark]{
  --bg:#17171a;--bg2:#1f1f23;--bg3:#29292e;--panel:#202024;--line:#2f2f35;--line2:#3d3d44;
  --text:#ececf0;--text2:#b4b4bd;--text3:#80808a;--accent:#818cf8;--accent2:#a5b4fc;--accent-bg:#26264a;
  --ok:#4ade80;--ok-bg:#132a1c;--bad:#f87171;--bad-bg:#3a1717;--warn:#facc15;--warn-bg:#352d0c;
  --code:#111114;--shadow:0 8px 30px rgba(0,0,0,.45),0 1px 3px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font:15px/1.55 var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
a{color:var(--accent)}
svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.hidden{display:none!important}
.muted{color:var(--text3)}
.small{font-size:13px}

/* layout */
.app{display:flex;height:100vh;height:100dvh;overflow:hidden}
.side{width:268px;flex:none;background:var(--bg2);border-right:1px solid var(--line);display:flex;flex-direction:column;transition:margin .2s}
.side.closed{margin-left:-268px}
.side.notrans{transition:none}
.side-top{padding:12px;display:flex;gap:8px;align-items:center}
.brand{font-weight:650;letter-spacing:-.01em;display:flex;align-items:center;gap:8px;flex:1}
.logo{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#06b6d4);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700}
.search{margin:0 12px 8px;position:relative}
.search input{width:100%;padding:8px 10px 8px 32px;border:1px solid var(--line);border-radius:10px;background:var(--panel);outline:none}
.search input:focus{border-color:var(--accent)}
.search svg{position:absolute;left:10px;top:10px;width:15px;height:15px;color:var(--text3)}
.chats{flex:1;overflow-y:auto;padding:4px 8px 12px}
.group{font-size:12px;font-weight:600;color:var(--text3);padding:12px 8px 4px;text-transform:uppercase;letter-spacing:.04em}
.chat-item{display:flex;align-items:center;gap:6px;padding:7px 8px;border-radius:8px;color:var(--text2);cursor:pointer;position:relative}
.chat-item:hover{background:var(--bg3)}
.chat-item.active{background:var(--bg3);color:var(--text);font-weight:550}
.chat-item .t{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}
.chat-item .acts{display:none;gap:2px}
.chat-item:hover .acts,.chat-item.active .acts{display:flex}
.chat-item .acts button{padding:3px;border-radius:6px;color:var(--text3)}
.chat-item .acts button:hover{color:var(--text);background:var(--line)}
.chat-item .acts svg{width:15px;height:15px}
.side-bottom{border-top:1px solid var(--line);padding:8px}
.user-btn{width:100%;display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;text-align:left}
.user-btn:hover{background:var(--bg3)}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--accent-bg);color:var(--accent);display:grid;place-items:center;font-weight:650;font-size:13px;text-transform:uppercase}
.main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}
.topbar{height:52px;flex:none;display:flex;align-items:center;gap:8px;padding:0 12px;border-bottom:1px solid var(--line)}
.topbar .title{flex:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;color:var(--text2)}
.icon-btn:hover{background:var(--bg3);color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:9px;border:1px solid var(--line);background:var(--panel);font-size:14px;font-weight:500}
.btn:hover{background:var(--bg3)}
a.btn{text-decoration:none;color:inherit}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--bad)}
.btn.sm{padding:4px 9px;font-size:13px}
.btn:disabled{opacity:.5;cursor:default}

/* theme switch */
.switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer;user-select:none;color:var(--text2);font-size:13px}
.switch input{display:none}
.switch .track{width:40px;height:22px;border-radius:99px;background:var(--line2);position:relative;transition:background .2s}
.switch .knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s;display:grid;place-items:center;color:#a16207}
.switch .knob svg{width:12px;height:12px;stroke-width:2.2}
.switch input:checked+.track{background:var(--accent)}
.switch input:checked+.track .knob{transform:translateX(18px);color:var(--accent)}

/* messages */
.scroll{flex:1;overflow-y:auto}
.thread{max-width:820px;margin:0 auto;padding:24px 20px 12px}
.msg{display:flex;gap:14px;margin-bottom:22px}
.msg .who{width:30px;height:30px;flex:none;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:650}
.msg.user{flex-direction:row-reverse}
.msg.user .body{background:var(--bg3);padding:10px 14px;border-radius:16px 16px 4px 16px;max-width:80%}
.msg.user .who{display:none}
.msg.assistant .who{background:linear-gradient(135deg,var(--accent),#06b6d4);color:#fff}
.msg .body{min-width:0;flex:1}
.msg.user .body{flex:none}
.msg .meta{font-size:12px;color:var(--text3);margin-top:6px;display:flex;gap:10px;align-items:center}
.msg .meta button{color:var(--text3);display:inline-flex;align-items:center;gap:4px}
.msg .meta button:hover{color:var(--text)}
.msg .meta svg{width:14px;height:14px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:2px 8px;border-radius:99px;background:var(--panel);border:1px solid var(--line);color:var(--text2);max-width:260px}
.chip span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip svg{width:13px;height:13px}
.md{overflow-wrap:anywhere}
.md>*:first-child{margin-top:0}.md>*:last-child{margin-bottom:0}
.md p{margin:.55em 0}
.md h1,.md h2,.md h3,.md h4{margin:1em 0 .4em;line-height:1.3}
.md h1{font-size:1.35em}.md h2{font-size:1.2em}.md h3{font-size:1.07em}
.md ul,.md ol{padding-left:1.4em;margin:.5em 0}
.md li{margin:.2em 0}
.md code{font-family:var(--mono);font-size:.88em;background:var(--code);padding:.1em .35em;border-radius:5px}
.md .code{margin:.8em 0;border:1px solid var(--line);border-radius:10px;background:var(--code);overflow:hidden}
.md .code-h{display:flex;align-items:center;justify-content:space-between;padding:5px 8px 5px 14px;font:12px/1.4 var(--mono);color:var(--text3);border-bottom:1px solid var(--line);background:var(--bg2)}
.md .code-h .copy{font:12px var(--font);padding:2px 8px;border-radius:6px;color:var(--text3);border:1px solid transparent}
.md .code-h .copy:hover{color:var(--text);border-color:var(--line);background:var(--panel)}
.md pre{margin:0;padding:12px 14px;overflow-x:auto;background:none}
.md pre code{background:none;padding:0;font-size:13px;line-height:1.55;white-space:pre}
.hl-kw{color:#cf222e}.hl-str{color:#0a3069}.hl-fn{color:#8250df}.hl-num{color:#0550ae}.hl-com{color:#6e7781;font-style:italic}.hl-bi{color:#953800}
.hl-prop{color:#0550ae}.hl-dec{color:#8250df}.hl-var{color:#953800}.hl-add{color:#116329;background:#dafbe1}.hl-del{color:#82071e;background:#ffebe9}
:root[data-theme=dark] .hl-kw{color:#ff7b72}:root[data-theme=dark] .hl-str{color:#a5d6ff}:root[data-theme=dark] .hl-fn{color:#d2a8ff}
:root[data-theme=dark] .hl-num{color:#79c0ff}:root[data-theme=dark] .hl-com{color:#8b949e}:root[data-theme=dark] .hl-bi{color:#ffa657}
:root[data-theme=dark] .hl-prop{color:#79c0ff}:root[data-theme=dark] .hl-dec{color:#d2a8ff}:root[data-theme=dark] .hl-var{color:#ffa657}
:root[data-theme=dark] .hl-add{color:#aff5b4;background:#033a16}:root[data-theme=dark] .hl-del{color:#ffdcd7;background:#67060c}
.md blockquote{margin:.6em 0;padding:.1em 1em;border-left:3px solid var(--line2);color:var(--text2)}
.md .tbl-wrap{position:relative;margin:.8em 0}
.md .tbl{border:1px solid var(--line);border-radius:10px;overflow-x:auto;background:var(--panel)}
.md .tbl table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.45}
.md .tbl th,.md .tbl td{padding:9px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.md .tbl th{background:var(--bg2);font-weight:600;font-size:13px;white-space:nowrap}
.md .tbl tbody tr:last-child td{border-bottom:none}
.md .tbl tbody tr:hover td{background:var(--bg2)}
.md .tbl td code{white-space:nowrap}
.md .tbl .nw{white-space:nowrap}
.md .tbl th:last-child{padding-right:66px}
.md .tbl-wrap .tcopy{position:absolute;top:6px;right:6px;z-index:1;font-size:12px;padding:2px 8px;border-radius:6px;background:var(--panel);border:1px solid var(--line);color:var(--text3);opacity:0;transition:opacity .15s}
.md .tbl-wrap:hover .tcopy,.md .tbl-wrap .tcopy:focus{opacity:1}
.md hr{border:0;border-top:1px solid var(--line);margin:1em 0}
.cursor::after{content:"";display:inline-block;width:8px;height:15px;background:var(--text2);margin-left:2px;vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.tool-card{border:1px solid var(--line);border-radius:10px;margin:8px 0;background:var(--bg2);font-size:13px;overflow:hidden}
.tool-card summary{list-style:none;display:flex;align-items:center;gap:8px;padding:7px 10px;cursor:pointer}
.tool-card summary::-webkit-details-marker{display:none}
.tool-card .name{font-family:var(--mono);font-weight:600}
.tool-card .args{font-family:var(--mono);color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.tool-card pre{margin:0;padding:10px 12px;border-top:1px solid var(--line);font:12px/1.5 var(--mono);white-space:pre-wrap;max-height:340px;overflow:auto;background:var(--panel)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--text3);flex:none}
.status-dot.run{background:var(--accent);animation:pulse 1s infinite}
.status-dot.ok{background:var(--ok)}.status-dot.bad{background:var(--bad)}
@keyframes pulse{50%{opacity:.35}}
.think{border-left:2px solid var(--line2);padding-left:10px;margin:6px 0;color:var(--text3);font-size:13px}
.think summary{cursor:pointer;font-size:12px}
.think div{white-space:pre-wrap}
.note{font-size:13px;color:var(--text3);margin:6px 0}
.error-box{background:var(--bad-bg);color:var(--bad);border-radius:10px;padding:8px 12px;font-size:14px;margin:6px 0;white-space:pre-wrap}

/* empty state */
.empty{max-width:640px;margin:12vh auto 0;text-align:center;padding:0 20px}
.empty h1{font-size:28px;letter-spacing:-.02em;margin:14px 0 6px}
.empty .logo{width:48px;height:48px;font-size:24px;border-radius:14px;margin:0 auto}
.suggest{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px;text-align:left}
.suggest button{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--panel);font-size:14px;color:var(--text2)}
.suggest button:hover{background:var(--bg2);color:var(--text)}
.suggest b{display:block;color:var(--text);font-weight:600;margin-bottom:2px}

/* composer */
.composer-wrap{padding:0 20px 14px;flex:none}
.composer{max-width:820px;margin:0 auto;border:1px solid var(--line2);border-radius:18px;background:var(--panel);box-shadow:var(--shadow);transition:border-color .15s}
.composer:focus-within{border-color:var(--accent)}
.composer.drag{border-color:var(--accent);border-style:dashed;background:var(--accent-bg)}
.composer .files{display:flex;flex-wrap:wrap;gap:6px;padding:10px 12px 0}
.composer .files:empty{display:none}
.composer .files .chip{background:var(--bg2);padding:4px 6px 4px 9px}
.composer .files .chip button{color:var(--text3);display:grid}
.composer .files .chip.up{opacity:.6}
.composer textarea{display:block;width:100%;border:0;outline:none;resize:none;background:transparent;padding:12px 16px 4px;max-height:40vh;min-height:52px;line-height:1.5}
.composer .bar{display:flex;align-items:center;gap:6px;padding:6px 8px 8px}
.composer .spacer{flex:1}
.model-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:9px;font-size:13px;color:var(--text2);max-width:260px}
.model-btn:hover{background:var(--bg3);color:var(--text)}
.model-btn span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.send{width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;display:grid;place-items:center}
.send:disabled{background:var(--line2);cursor:default}
.send.stop{background:var(--text)}
.send.stop svg{fill:var(--bg);stroke:none}
.toolbar{max-width:820px;margin:8px auto 0;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.tchip{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:99px;border:1px solid var(--line);font-size:13px;color:var(--text2);background:var(--panel);transition:all .12s}
.tchip:hover{border-color:var(--line2);color:var(--text)}
.tchip.on{background:var(--accent-bg);border-color:var(--accent);color:var(--accent);font-weight:550}
.tchip svg{width:14px;height:14px}
.tchip.pinned:not(.on){border-style:solid;border-color:var(--line2)}
.pop .item .pinb{padding:5px;border-radius:7px;color:var(--text3);opacity:.45}
.pop .item:hover .pinb{opacity:1}
.pop .item .pinb:hover{background:var(--line);color:var(--text)}
.pop .item .pinb.on{opacity:1;color:var(--accent)}
.pop .item .pinb svg{width:15px;height:15px}
.pop div.item{cursor:pointer}
.toolbar .hint{font-size:12px;color:var(--text3);margin-left:auto}
.foot{max-width:820px;margin:6px auto 0;text-align:center;font-size:11.5px;color:var(--text3)}

/* popovers & modals */
.pop{position:fixed;z-index:50;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;max-height:60vh;overflow-y:auto;min-width:240px}
.pop .item{display:flex;align-items:center;gap:8px;width:100%;padding:7px 10px;border-radius:8px;text-align:left;font-size:14px}
.pop .item:hover,.pop .item.sel{background:var(--bg3)}
.pop .item small{color:var(--text3);font-size:12px}
.pop .item .grow{flex:1;min-width:0}
.pop .item .grow div{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pop .sep{height:1px;background:var(--line);margin:4px 0}
.pop .head{font-size:11px;font-weight:650;color:var(--text3);text-transform:uppercase;letter-spacing:.05em;padding:8px 10px 3px}
.badge{font-size:10.5px;padding:1px 6px;border-radius:99px;background:var(--bg3);color:var(--text2);font-weight:550}
.badge.acc{background:var(--accent-bg);color:var(--accent)}
.check{width:16px;height:16px;border:1.5px solid var(--line2);border-radius:5px;display:grid;place-items:center;flex:none}
.check.on{background:var(--accent);border-color:var(--accent);color:#fff}
.check svg{width:11px;height:11px;stroke-width:3}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:40;display:grid;place-items:center;padding:20px;backdrop-filter:blur(2px)}
.modal{background:var(--panel);border-radius:16px;box-shadow:var(--shadow);width:min(980px,100%);max-height:calc(100vh - 40px);display:flex;flex-direction:column;border:1px solid var(--line)}
.modal.narrow{width:min(560px,100%)}
.modal-head{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line)}
.modal-head h2{font-size:17px;margin:0;flex:1}
.modal-body{padding:16px 18px;overflow-y:auto;flex:1}
.tabs{display:flex;gap:4px;padding:0 18px;border-bottom:1px solid var(--line)}
.tabs button{padding:10px 12px;font-size:14px;color:var(--text2);border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button.on{color:var(--text);border-color:var(--accent);font-weight:550}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:550;margin-bottom:5px}
.field label.switch{display:inline-flex;font-weight:450;font-size:14px;color:var(--text)}
.field .help{font-size:12px;color:var(--text3);margin-top:4px}
.input,select.input,textarea.input{width:100%;padding:8px 10px;border:1px solid var(--line2);border-radius:9px;background:var(--bg);outline:none}
.input:focus{border-color:var(--accent)}
textarea.input{min-height:90px;resize:vertical;font-family:var(--mono);font-size:13px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row>.grow{flex:1}
table.list{width:100%;border-collapse:collapse;font-size:14px}
table.list th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text3);font-weight:600;text-align:left;padding:8px;border-bottom:1px solid var(--line)}
table.list td{padding:8px;border-bottom:1px solid var(--line);vertical-align:middle}
table.list tr:hover td{background:var(--bg2)}
.seg{display:inline-flex;border:1px solid var(--line2);border-radius:8px;overflow:hidden}
.seg button{padding:3px 10px;font-size:12.5px;color:var(--text2)}
.seg button.on{background:var(--accent);color:#fff}
.toast-box{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:60;display:flex;flex-direction:column;gap:6px;align-items:center}
.toast{background:var(--text);color:var(--bg);padding:8px 14px;border-radius:10px;font-size:14px;box-shadow:var(--shadow);max-width:90vw}
.toast.bad{background:var(--bad);color:#fff}

/* documents */
.docs{display:grid;grid-template-columns:minmax(260px,360px) 1fr;gap:0;height:min(70vh,720px)}
.doc-list{border-right:1px solid var(--line);overflow-y:auto;padding:8px}
.doc-item{display:flex;gap:10px;align-items:center;padding:8px;border-radius:9px;cursor:pointer}
.doc-item:hover{background:var(--bg2)}.doc-item.sel{background:var(--bg3)}
.doc-item .ic{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;background:var(--bg3);color:var(--text2);flex:none}
.doc-item .ic.image{background:#fdf2f8;color:#be185d}.doc-item .ic.pdf{background:#fef2f2;color:#b91c1c}
.doc-item .ic.sheet{background:#f0fdf4;color:#15803d}.doc-item .ic.doc{background:#eff6ff;color:#1d4ed8}
[data-theme=dark] .doc-item .ic.image{background:#3b1730}[data-theme=dark] .doc-item .ic.pdf{background:#3a1717}
[data-theme=dark] .doc-item .ic.sheet{background:#132a1c}[data-theme=dark] .doc-item .ic.doc{background:#172340}
.doc-item .nm{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-item .grow{min-width:0;flex:1}
.doc-view{display:flex;flex-direction:column;min-width:0}
.doc-view .vh{display:flex;gap:8px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}
.doc-view .vh .nm{flex:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-view .vb{flex:1;overflow:auto;padding:14px}
.doc-view .vb pre{margin:0;font:12.5px/1.55 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere}
.doc-view .vb img{max-width:100%;border-radius:8px;display:block;margin:auto}
.doc-view iframe{width:100%;height:100%;border:0;background:#fff}
.doc-view table{border-collapse:collapse;font-size:13px}
.doc-view td,.doc-view th{border:1px solid var(--line);padding:4px 8px;white-space:nowrap;max-width:320px;overflow:hidden;text-overflow:ellipsis}
.doc-view tr:first-child td{background:var(--bg2);font-weight:600}
.dropzone{border:1.5px dashed var(--line2);border-radius:12px;padding:14px;text-align:center;color:var(--text3);font-size:13px;margin-bottom:8px;cursor:pointer}
.dropzone:hover,.dropzone.drag{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}

/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(1200px 600px at 10% -10%,var(--accent-bg),transparent),var(--bg)}
.login{width:min(380px,100%);background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}
.login h1{font-size:22px;margin:14px 0 4px;letter-spacing:-.02em}
.login .btn.primary{width:100%;justify-content:center;padding:10px;margin-top:6px}
.login .err{color:var(--bad);font-size:14px;min-height:20px;margin-top:8px}

@media (max-width:820px){
  .side{position:absolute;z-index:30;height:100%;box-shadow:var(--shadow)}
  .suggest{grid-template-columns:1fr}
  .docs{grid-template-columns:1fr;height:auto}
  .doc-list{border-right:0;max-height:40vh}
  .doc-view{min-height:50vh}
  .composer-wrap{padding:0 10px 10px}
  .toolbar .hint{display:none}
}

.ta-list{max-height:52vh;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:4px 0}
.ta-head{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text3);padding:10px 12px 4px}
.ta-item{display:flex;gap:10px;align-items:flex-start;padding:6px 12px;cursor:pointer}
.ta-item:hover{background:var(--bg3)}
.ta-item input{margin-top:3px}
.ta-item small{font-size:12px}

.tchip[draggable=true]{cursor:pointer}
.tchip.dragging{opacity:.4}
.tchip.drop-l{box-shadow:-3px 0 0 var(--accent)}
.tchip.drop-r{box-shadow:3px 0 0 var(--accent)}
.tchip .hid-n{margin-left:4px;padding:0 6px;border-radius:99px;background:var(--accent-bg);color:var(--accent);font-size:11.5px;font-weight:600}
.pop button.item[disabled]{opacity:.4;cursor:default}
.pop .item .badge{font-size:10.5px;padding:1px 6px;vertical-align:1px}

.infob{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;margin-left:5px;vertical-align:-3px;border-radius:50%;color:var(--text3);cursor:help;outline:none}
.infob svg{width:14px;height:14px}
.infob:hover,.infob:focus-visible{color:var(--accent);background:var(--accent-bg)}
.pop .item .tname{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.pop .item .tname .badge{margin-left:6px}
.tooltip{position:fixed;z-index:2000;max-width:280px;padding:8px 11px;border-radius:9px;background:var(--text);color:var(--bg);font-size:12.5px;line-height:1.45;
  box-shadow:0 6px 24px rgba(0,0,0,.18);pointer-events:none;opacity:0;transform:translateY(2px);transition:opacity .12s,transform .12s;left:-9999px;top:0}
.tooltip.show{opacity:1;transform:none}

/* citations, Kagi-style */
.cites{white-space:nowrap;margin-left:2px}
.cite{display:inline-flex;align-items:center;justify-content:center;min-width:17px;height:17px;padding:0 4px;margin:0 1px;border-radius:5px;
  font-size:10.5px;font-weight:600;line-height:1;vertical-align:2px;text-decoration:none!important;color:var(--text2)!important;
  background:var(--bg3);border:1px solid var(--line);transition:background .12s,color .12s,border-color .12s}
.cite:hover,.cite:focus-visible{background:var(--accent-bg);color:var(--accent)!important;border-color:var(--accent);outline:none}
.sources{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.src-head{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--text3);margin-bottom:6px}
.src-head .muted{font-weight:500;text-transform:none;letter-spacing:0;background:var(--bg3);border-radius:99px;padding:0 7px;font-size:11px}
.src-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.src-list a{display:flex;align-items:center;gap:9px;padding:6px 8px;border-radius:8px;text-decoration:none!important;color:var(--text)!important;min-width:0}
.src-list a:hover{background:var(--bg3)}
.src-n{flex:none;width:18px;height:18px;border-radius:5px;background:var(--bg3);border:1px solid var(--line);font-size:10.5px;font-weight:600;color:var(--text2);display:inline-flex;align-items:center;justify-content:center}
.src-list a:hover .src-n{background:var(--accent-bg);color:var(--accent);border-color:var(--accent)}
.fav{flex:none;width:16px;height:16px;border-radius:4px;object-fit:contain}
.fav-l{display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;background:hsl(var(--h,220) 45% 48%)}
.src-t{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13.5px}
.src-d{flex:none;max-width:40%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12.5px;color:var(--text3)}
.src-more summary{cursor:pointer;font-size:12.5px;color:var(--text3);padding:4px 8px;list-style:none}
.src-more summary::-webkit-details-marker{display:none}
.src-more summary:hover{color:var(--text)}
.src-card{position:fixed;z-index:2100;width:320px;max-width:calc(100vw - 16px);padding:11px 13px;border-radius:12px;background:var(--panel);border:1px solid var(--line2);
  box-shadow:0 10px 32px rgba(0,0,0,.16);opacity:0;pointer-events:none;transform:translateY(3px);transition:opacity .12s,transform .12s;left:-9999px;top:0}
.src-card.show{opacity:1;pointer-events:auto;transform:none}
.sc-top{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--text3)}
.sc-top span:nth-child(2){flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sc-n{font-weight:600;font-size:10.5px;border:1px solid var(--line);border-radius:5px;padding:1px 5px}
.sc-title{display:block;margin-top:6px;font-weight:600;font-size:14px;line-height:1.35;color:var(--text)!important;text-decoration:none!important}
.sc-title:hover{color:var(--accent)!important}
.sc-snip{margin-top:5px;font-size:12.5px;line-height:1.45;color:var(--text2);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width:640px){.src-d{display:none}}
.auto-tag{flex:none;margin-left:6px;font-size:11px;font-weight:500;padding:1px 7px;border-radius:99px;background:var(--accent-bg);color:var(--accent);cursor:help}

.src-date{flex:none;font-size:12px;color:var(--text3);white-space:nowrap}
.src-date::after{content:"·";margin-left:8px}
.sc-date{margin-top:6px;font-size:11.5px;color:var(--text3)}
.sc-date+.sc-title{margin-top:2px}
@media (max-width:640px){.src-date::after{content:none}}

/* ---- sidebar: projects and recent ---- */
.sec-head{display:flex;align-items:center;justify-content:space-between;padding:10px 8px 4px;font-size:12px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.04em}
.sec-t{display:inline-flex;align-items:center;gap:4px;text-transform:uppercase;letter-spacing:.04em;font-weight:600;color:var(--text3)}
.sec-t svg{width:14px;height:14px;transition:transform .15s}
#projList.collapsed .sec-t svg{transform:rotate(-90deg)}
.icon-btn.xs{width:24px;height:24px;border-radius:7px}.icon-btn.xs svg{width:15px;height:15px}
.proj-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:8px;color:var(--text2);cursor:pointer;font-size:14px}
.proj-item:hover{background:var(--bg3)}.proj-item.active{background:var(--bg3);color:var(--text);font-weight:550}
.proj-item .t{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.proj-item .team-tag svg{width:14px;height:14px;color:var(--text3)}
.proj-empty{display:flex;align-items:center;gap:6px;padding:6px 8px;font-size:13px;color:var(--text3);border-radius:8px;width:100%}
.proj-empty:hover{background:var(--bg3);color:var(--text)}.proj-empty svg{width:15px;height:15px}
.pj-dot{width:10px;height:10px;border-radius:3px;flex:none;display:inline-block;background:var(--pc,#6366f1)}
.pj-dot.big{width:22px;height:22px;border-radius:7px}
.pj-tag{width:6px;height:6px;border-radius:2px;flex:none;background:var(--pc)}
.c-indigo{--pc:#6366f1}.c-cyan{--pc:#06b6d4}.c-emerald{--pc:#10b981}.c-amber{--pc:#f59e0b}.c-rose{--pc:#f43f5e}.c-violet{--pc:#8b5cf6}.c-slate{--pc:#64748b}
.colors{display:flex;gap:6px}.colors .pj-dot{border:2px solid transparent;cursor:pointer}.colors .pj-dot.sel{outline:2px solid var(--text);outline-offset:2px}
.nex-tag{flex:none;font:700 10px/16px var(--font);width:16px;height:16px;border-radius:5px;text-align:center;color:#fff;background:linear-gradient(135deg,#f59e0b,#ef4444);display:inline-block;margin-right:4px}
.sh-tag svg{width:13px;height:13px;color:var(--text3)}
.crumb{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--text2);padding:2px 6px;border-radius:7px;margin-left:-6px}
.crumb:hover{background:var(--bg3);color:var(--text)}.crumb-sep{color:var(--text3);margin:0 6px}
#shareBtn.on{color:var(--accent);border-color:var(--accent)}
.readonly-bar{max-width:820px;margin:0 auto 8px;display:flex;gap:8px;align-items:center;padding:10px 14px;border:1px dashed var(--line2);border-radius:12px;color:var(--text2);font-size:14px}
/* ---- project home ---- */
.proj-home{padding-top:10px}
.ph-head{display:flex;gap:14px;align-items:center;margin-bottom:18px}.ph-head h1{margin:0;font-size:24px;letter-spacing:-.02em}
.ph-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.ph-card{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--panel)}
.ph-ch{display:flex;align-items:center;gap:8px;margin-bottom:8px}.ph-ch b{flex:1}
.ph-ins{white-space:pre-wrap;font-size:14px;max-height:170px;overflow:auto}
.ph-files{max-height:170px;overflow:auto}.ph-file{display:flex;align-items:center;gap:6px;font-size:13px;padding:3px 0}
.ph-file span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ph-file svg{width:15px;height:15px;color:var(--text3)}
.ph-chat{display:flex;width:100%;align-items:center;gap:10px;padding:8px;border-radius:8px;text-align:left}
.ph-chat:hover{background:var(--bg2)}.ph-chat .t{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.linkb{color:var(--accent);font-size:13px}.linkb:hover{text-decoration:underline}
@media (max-width:700px){.ph-grid{grid-template-columns:1fr}}
/* ---- composer: mode + agent ---- */
.mode-seg{margin-left:2px}.mode-seg button{padding:3px 10px;font-size:13px}
.composer.nex{border-color:#f59e0b88}.composer.nex:focus-within{border-color:#f59e0b}
.mode-seg button[data-mode=nex].on{background:linear-gradient(135deg,#f59e0b,#ef4444);color:#fff}
.agent-btn{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:9px;font-size:13px;color:var(--text2);max-width:190px}
.agent-btn:hover{background:var(--bg3);color:var(--text)}.agent-btn.on{color:var(--accent);background:var(--accent-bg)}
.agent-btn span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.agent-btn svg{width:16px;height:16px}
.ag-ic{width:26px;height:26px;border-radius:8px;flex:none;display:grid;place-items:center;font-weight:700;font-size:13px;color:#fff;background:var(--pc,linear-gradient(135deg,var(--accent),#06b6d4))}
.agent-logo{background:var(--pc)!important}.nex-logo{background:linear-gradient(135deg,#f59e0b,#ef4444)!important}
.ag-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.ag-tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px 14px;max-height:260px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:10px}
.ag-th{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}
.ag-tc{display:flex;flex-wrap:wrap;gap:4px;align-content:flex-start}.ag-tc .ag-th{width:100%}
.tchip.sm{padding:2px 8px;font-size:12px}
.tpl-row{display:flex;flex-wrap:wrap;gap:6px}
.row.wrap{flex-wrap:wrap}
.set-h{font-size:15px;margin:22px 0 10px;padding-top:14px;border-top:1px solid var(--line)}
.nex-hint{color:#d97706}
/* ---- tool picker ---- */
.pop.tp{padding:0;max-height:min(72vh,640px);display:flex;flex-direction:column;overflow:hidden}
.tp-head{display:flex;gap:8px;padding:10px 10px 6px;align-items:center}
.tp-search{flex:1;position:relative}.tp-search svg{position:absolute;left:9px;top:9px;width:15px;height:15px;color:var(--text3)}
.tp-search input{width:100%;padding:7px 10px 7px 30px;border:1px solid var(--line);border-radius:9px;background:var(--bg2);outline:none}
.tp-search input:focus{border-color:var(--accent)}
.tp-sum{display:flex;justify-content:space-between;padding:0 12px 6px;font-size:13px;color:var(--text2)}
.tp-body{overflow:auto;padding:0 6px 6px;flex:1}
.tp-grp{border-top:1px solid var(--line)}
.tp-gh{display:flex;align-items:center;gap:8px;padding:2px 6px}
.tp-gt{flex:1;display:flex;align-items:center;gap:6px;padding:8px 2px;text-align:left}
.tp-gt svg{width:15px;height:15px;transform:rotate(-90deg);transition:transform .15s;color:var(--text3)}
.tp-grp.open .tp-gt svg{transform:none}
.tp-gn{font-weight:600;font-size:13.5px}
.tp-gc{font-size:12px;color:var(--text3);background:var(--bg3);padding:0 7px;border-radius:99px}
.tp-gc.on{color:var(--accent);background:var(--accent-bg)}
.tp-grid{display:none;grid-template-columns:1fr 1fr;gap:4px;padding:0 4px 10px}
.tp-grp.open .tp-grid{display:grid}
.tp-item{display:flex;align-items:center;gap:6px;padding:5px 6px;border-radius:8px;border:1px solid var(--line);cursor:pointer;font-size:13px;min-width:0;background:var(--panel)}
.tp-item:hover{border-color:var(--line2);background:var(--bg2)}
.tp-item.on{border-color:var(--accent);background:var(--accent-bg)}
.tp-item .check{width:16px;height:16px;border-radius:5px;border:1.5px solid var(--line2);display:grid;place-items:center;flex:none}
.tp-item.on .check{background:var(--accent);border-color:var(--accent);color:#fff}.tp-item .check svg{width:11px;height:11px;stroke-width:3}
.tp-l{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
.tp-acts{display:flex;gap:0}.tp-acts .pinb{padding:3px;border-radius:6px;color:var(--text3);opacity:.35}
.tp-item:hover .tp-acts .pinb,.tp-acts .pinb.on{opacity:1}.tp-acts .pinb.on{color:var(--accent)}.tp-acts .pinb:hover{background:var(--line)}
.tp-acts svg{width:13px;height:13px}
.tp-item .infob svg{width:13px;height:13px}
.tp-foot{border-top:1px solid var(--line);padding:7px 12px;display:flex;align-items:center;gap:4px;flex-wrap:wrap}.tp-foot svg{width:13px;height:13px}
.switch.mini .track{width:30px;height:17px}.switch.mini .knob{width:13px;height:13px}.switch.mini input:checked+.track .knob{transform:translateX(13px)}
@media (max-width:560px){.tp-grid{grid-template-columns:1fr}}
/* ---- Nex: plan, helpers, outputs ---- */
.plan-card{border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin:8px 0;background:var(--panel)}
.plan-h{display:flex;align-items:center;gap:8px;font-size:14px}.plan-h svg{color:var(--ok)}
.plan-bar{flex:1;max-width:160px;height:5px;border-radius:9px;background:var(--bg3);overflow:hidden;margin-left:auto}
.plan-bar span{display:block;height:100%;background:var(--ok);transition:width .3s}
.plan-steps{list-style:none;margin:8px 0 0;padding:0;font-size:14px}
.plan-steps li{display:flex;gap:8px;align-items:flex-start;padding:3px 0;color:var(--text2)}
.st-ic{width:18px;height:18px;border-radius:50%;border:1.5px solid var(--line2);flex:none;display:grid;place-items:center;margin-top:1px}
.st-ic svg{width:11px;height:11px;stroke-width:3}
.plan-steps .st-done{color:var(--text3);text-decoration:line-through}.plan-steps .st-done .st-ic{background:var(--ok);border-color:var(--ok);color:#fff}
.plan-steps .st-doing{color:var(--text);font-weight:550}.plan-steps .st-doing .st-ic{border-color:var(--accent);color:var(--accent);animation:pulse 1.2s infinite}
.plan-steps .st-failed .st-ic{border-color:var(--bad);color:var(--bad)}.plan-steps .st-skipped{color:var(--text3)}
.plan-act{margin-top:10px;gap:10px;align-items:center}
.helper-card .role-tag{font-size:11.5px;font-weight:600;padding:1px 8px;border-radius:99px;background:var(--accent-bg);color:var(--accent);white-space:nowrap}
.helper-card .args{font-family:var(--font)!important;color:var(--text2)!important}
.outputs{margin:10px 0}
.app-card{border:1px solid var(--line);border-radius:12px;margin-bottom:8px;background:var(--panel);overflow:hidden}
.app-h{display:flex;align-items:center;gap:8px;padding:9px 10px;flex-wrap:wrap}.app-h>svg{color:var(--accent)}
.app-frame iframe{width:100%;height:520px;border:0;border-top:1px solid var(--line);background:#fff;display:block}
.out-files{border:1px solid var(--line);border-radius:12px;background:var(--panel);font-size:13.5px}
.out-files summary{display:flex;align-items:center;gap:6px;padding:8px 12px;cursor:pointer;font-weight:550}
.out-file{display:flex;align-items:center;gap:8px;padding:5px 12px;border-top:1px solid var(--line)}
.out-file span.grow{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:var(--mono);font-size:12.5px}
.out-file svg{width:15px;height:15px;color:var(--text3)}
/* ---- teams, feedback ---- */
.team-card{border:1px solid var(--line);border-radius:12px;padding:12px;margin-top:14px}
.tm-list{margin:10px 0}.input.sm{padding:3px 6px;font-size:13px;width:auto}
.fb-row{border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:10px}
.fb-row b svg{width:15px;height:15px;vertical-align:-2px}
.fb-body{white-space:pre-wrap;font-size:14px;margin:8px 0}
.fb-note{margin-top:6px;font-size:13px;padding:6px 10px;border-radius:8px;background:var(--bg2)}
.fb-img{max-width:100%;max-height:220px;border-radius:8px;border:1px solid var(--line);margin:6px 0}
.fb-ctx{font:12px var(--mono);white-space:pre-wrap;margin:4px 0}
.badge.st-new{background:var(--accent-bg);color:var(--accent)}.badge.st-planned{background:var(--warn-bg);color:var(--warn)}
.badge.st-in_progress{background:#e0f2fe;color:#0369a1}.badge.st-done{background:var(--ok-bg);color:var(--ok)}.badge.st-closed{opacity:.6}
:root[data-theme=dark] .badge.st-in_progress{background:#0c2d44;color:#7dd3fc}
#fbk svg{width:15px;height:15px;vertical-align:-3px;margin-right:4px}
/* ---- share page ---- */
.share-page{overflow:auto;height:auto}
.share-top{position:sticky;top:0;background:var(--bg);z-index:5;justify-content:space-between}
.share-main .thread{padding-bottom:60px}
.share-head{margin:10px 0 24px}.share-head h1{font-size:24px;margin:0 0 4px;letter-spacing:-.02em}
.share-foot{text-align:center;margin-top:30px}

/* ---- version / about ---- */
.pop .ver-line{display:flex;align-items:center;gap:6px;width:100%;padding:6px 10px 2px;font-size:12px;color:var(--text3);text-align:left}
.pop .ver-line:hover{color:var(--text)}.pop .ver-line svg{width:13px;height:13px}
.about-logo{display:flex;gap:12px;align-items:center;margin-bottom:12px}.about-logo .logo{width:40px;height:40px;font-size:20px;border-radius:12px}
.about code{font-size:12.5px;overflow-wrap:anywhere}
.login-ver{text-align:center;font-size:12px;color:var(--text3);margin-top:14px}