/* Engineering on Web Analysis — UI styles (system fonts, CSS variables, light/dark) */
:root{
  --bg:#f4f6fa; --panel:#ffffff; --panel2:#f8fafc; --line:#e3e8ef; --line2:#d3dae5;
  --text:#1e293b; --muted:#64748b; --faint:#94a3b8;
  --brand:#4f46e5; --brand2:#0d9488; --brand-soft:#eef2ff; --accent:#0d9488;
  --ok:#16a34a; --warn:#d97706; --err:#dc2626; --errbg:#fef2f2; --warnbg:#fffbeb; --okbg:#f0fdf4;
  --sel:rgba(79,70,229,.12); --selb:#4f46e5; --cellh:26px; --hdr:#f1f5f9;
  --pt:#334155; --pa:#64748b; --pg:#e9edf3; --pb:#ffffff;
  --shadow:0 10px 30px -10px rgba(15,23,42,.25), 0 2px 6px rgba(15,23,42,.06);
  --grad:linear-gradient(90deg,#4f46e5,#0d9488); --r:14px; --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0b0e14; --panel:#131821; --panel2:#171d28; --line:#232b38; --line2:#2d3746;
  --text:#e2e8f0; --muted:#94a3b8; --faint:#64748b;
  --brand:#818cf8; --brand2:#2dd4bf; --brand-soft:#1e1b4b; --accent:#2dd4bf;
  --errbg:#2a1215; --warnbg:#2a1f0b; --okbg:#0f2417; --sel:rgba(129,140,248,.18); --selb:#818cf8; --hdr:#161c26;
  --pt:#cbd5e1; --pa:#7c8aa0; --pg:#232b38; --pb:#131821;
  --shadow:0 12px 32px -12px rgba(0,0,0,.7), 0 2px 8px rgba(0,0,0,.4);
  --grad:linear-gradient(90deg,#818cf8,#2dd4bf);
  color-scheme:dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0b0e14; --panel:#131821; --panel2:#171d28; --line:#232b38; --line2:#2d3746;
    --text:#e2e8f0; --muted:#94a3b8; --faint:#64748b;
    --brand:#818cf8; --brand2:#2dd4bf; --brand-soft:#1e1b4b; --accent:#2dd4bf;
    --errbg:#2a1215; --warnbg:#2a1f0b; --okbg:#0f2417; --sel:rgba(129,140,248,.18); --selb:#818cf8; --hdr:#161c26;
    --pt:#cbd5e1; --pa:#7c8aa0; --pg:#232b38; --pb:#131821;
    --shadow:0 12px 32px -12px rgba(0,0,0,.7), 0 2px 8px rgba(0,0,0,.4);
    --grad:linear-gradient(90deg,#818cf8,#2dd4bf);
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--text);font:13px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Helvetica Neue",Arial,sans-serif;overflow:hidden;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--brand)}
kbd{font:11px var(--mono);padding:1px 5px;border:1px solid var(--line2);border-radius:4px;background:var(--panel2);color:var(--muted)}
.ico{display:inline-flex;width:16px;height:16px;flex:none}
.ico svg{width:100%;height:100%}
.muted{color:var(--muted)} .grow{flex:1}
.boot{position:fixed;inset:0;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:100;transition:opacity .25s}
.boot.hide{opacity:0;pointer-events:none}
.boot-bar{width:140px;height:3px;background:var(--line);border-radius:3px;overflow:hidden}
.boot-bar i{display:block;height:100%;width:40%;background:linear-gradient(90deg,var(--brand),var(--brand2));animation:bootbar 1s infinite ease-in-out}
@keyframes bootbar{0%{transform:translateX(-100%)}100%{transform:translateX(260%)}}

/* top bar */
.top{height:50px;display:flex;align-items:center;gap:6px;padding:0 12px;background:var(--panel);border-bottom:1px solid var(--line);position:relative;z-index:20}
.top::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--grad);opacity:.85}
.brand{display:flex;align-items:center;gap:8px;padding-right:8px;font-size:15px;letter-spacing:.2px}
.brand.eow-brand{color:var(--text);text-decoration:none}
.brand .eow-word b{font-weight:800}
.menubar{display:flex;gap:2px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.menubar::-webkit-scrollbar{display:none}
.menubar>.mi{position:relative}
.menubar>.mi>button,.menubar>.mi-home{background:none;border:1px solid transparent;padding:5px 10px;border-radius:999px;white-space:nowrap;color:var(--text);display:flex;align-items:center;gap:6px}
.menubar .ico{width:15px;height:15px;color:var(--brand)}
.menubar>.mi-home{border-color:var(--line);margin-right:6px}
.menubar>.mi-home:hover{border-color:var(--brand)}
.menubar>.mi>button .tag{font-size:10px;padding:0 5px;border-radius:5px;background:var(--brand-soft);color:var(--brand);font-weight:600}
.menubar>.mi>button:hover,.menubar>.mi.open>button{background:var(--brand-soft);color:var(--brand)}
.dropdown{position:fixed;min-width:240px;max-height:calc(100vh - 60px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;z-index:60}
.dropdown .sec{font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--faint);padding:8px 10px 3px;font-weight:650}
.dropdown button{display:flex;width:100%;text-align:left;align-items:center;gap:8px;background:none;border:0;padding:6px 10px;border-radius:7px;color:var(--text)}
.dropdown button:hover,.dropdown button.act{background:var(--brand-soft);color:var(--brand)}
.dropdown button small{margin-left:auto;color:var(--faint);font-size:11px}
.dropdown hr{border:0;border-top:1px solid var(--line);margin:5px 4px}
.top-right{display:flex;align-items:center;gap:6px}
.searchbtn{display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--panel2);border-radius:8px;padding:5px 9px;color:var(--muted)}
.searchbtn:hover{border-color:var(--line2)}
.langsel{border:1px solid var(--line);background:var(--panel2);border-radius:8px;padding:5px 6px;max-width:120px}
.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid transparent;background:none;border-radius:8px;color:var(--muted)}
.iconbtn:hover{background:var(--panel2);border-color:var(--line);color:var(--text)}
.iconbtn.sm{width:24px;height:24px}
.iconbtn.sm .ico{width:14px;height:14px}

/* layout */
.main{display:flex;height:calc(100vh - 50px);height:calc(100dvh - 50px)}
.pane{display:flex;flex-direction:column;min-width:0;background:var(--panel)}
.pane-left{flex:1 1 55%}
.pane-right{flex:0 0 45%;border-left:1px solid var(--line);background:var(--bg)}
.splitter{width:5px;cursor:col-resize;background:transparent;margin:0 -2px;z-index:5;position:relative}
.splitter:hover,.splitter.drag{background:var(--brand);opacity:.35}

/* sheet tabs & grid */
.sheet-tabs{display:flex;align-items:center;gap:4px;padding:6px 8px;border-bottom:1px solid var(--line);background:var(--panel2);overflow-x:auto;scrollbar-width:thin;min-height:42px}
.sheet-tabs .st{display:flex;align-items:center;gap:6px;padding:4px 12px;border:1px solid transparent;border-radius:999px;background:none;color:var(--muted);white-space:nowrap;max-width:200px}
.sheet-tabs .st.on{background:var(--panel);border-color:var(--line2);color:var(--text);font-weight:600;box-shadow:0 1px 2px rgba(15,23,42,.06)}
.sheet-tabs .st .x{opacity:.5;font-size:14px;line-height:1}
.sheet-tabs .st .x:hover{opacity:1;color:var(--err)}
.sheet-tabs .st.islive::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}
.sheet-tabs .add{border:0;background:none;color:var(--muted);padding:4px 8px;border-radius:6px}
.sheet-tabs .add:hover{background:var(--panel)}
.grid-wrap{flex:1;overflow:auto;position:relative;outline:none;background:var(--panel)}
.grid{position:relative}
.g-head{position:sticky;top:0;z-index:3;display:block;width:max-content;background:var(--hdr)}
.g-row{display:flex;position:absolute;left:0}
.g-c,.g-h,.g-n,.g-rn{flex:none;width:var(--cw,104px);height:var(--cellh);border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:0 6px;display:flex;align-items:center;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.g-c{justify-content:flex-end;font-variant-numeric:tabular-nums;background:var(--panel);cursor:cell}
.g-c.t{justify-content:flex-start}
.g-rn{width:52px;justify-content:center;color:var(--faint);background:var(--hdr);position:sticky;left:0;z-index:2;font-size:11.5px;cursor:pointer}
.g-h{background:var(--hdr);color:var(--muted);font-size:11.5px;justify-content:center;font-weight:600;cursor:pointer;user-select:none}
.g-h{justify-content:space-between;gap:4px;padding:0 5px}
.g-h .ci{color:var(--faint);font-weight:500;font-size:10.5px;min-width:12px}
.g-h .spk{width:44px;height:12px;fill:var(--brand);opacity:.55;flex:none}
.g-h .cty{font-size:9.5px;font-weight:700;padding:0 4px;border-radius:4px;background:var(--brand-soft);color:var(--brand);line-height:15px}
.g-h .cty.T{background:rgba(13,148,136,.12);color:var(--accent)}
.g-n{background:var(--hdr);font-weight:600;justify-content:center;cursor:text}
.g-n.noname{color:var(--faint);font-weight:400;font-style:italic}
.g-corner{width:52px;position:sticky;left:0;z-index:4;background:var(--hdr)}
.g-c.sel,.g-n.sel{background:var(--sel)}
.g-c.cur{outline:2px solid var(--selb);outline-offset:-2px;z-index:1}
.g-h.selc{background:var(--brand-soft);color:var(--brand)}
.g-edit{position:absolute;z-index:6;border:2px solid var(--selb);outline:none;padding:0 5px;background:var(--panel);font-variant-numeric:tabular-nums;box-shadow:var(--shadow)}
.statusbar{height:26px;display:flex;align-items:center;gap:14px;padding:0 10px;border-top:1px solid var(--line);background:var(--panel2);color:var(--muted);font-size:11.5px;white-space:nowrap;overflow:hidden}
.statusbar b{color:var(--text);font-weight:600}

/* dock */
.dock-tabs{display:flex;gap:2px;margin:6px 8px;padding:3px;border:1px solid var(--line);border-radius:999px;background:var(--panel2);overflow-x:auto;scrollbar-width:none;flex:none}
.dock-tabs::-webkit-scrollbar{display:none}
.dock-tabs button{display:flex;align-items:center;gap:6px;border:0;background:none;padding:5px 12px;border-radius:999px;color:var(--muted);position:relative;white-space:nowrap}
.dock-tabs button:hover{color:var(--text)}
.dock-tabs button.on{background:var(--panel);color:var(--brand);font-weight:600;box-shadow:0 1px 3px rgba(15,23,42,.12)}
.dock-tabs .dot{width:7px;height:7px;border-radius:50%;background:transparent}
.dock-tabs .dot.on{background:var(--ok);box-shadow:0 0 0 3px rgba(22,163,74,.2)}
.dock-tabs .dot.alarm{background:var(--err);box-shadow:0 0 0 3px rgba(220,38,38,.25);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.4}}
.dock-body{flex:1;min-height:0;position:relative}
.dock-panel{position:absolute;inset:0;display:none;flex-direction:column;min-height:0}
.dock-panel.on{display:flex}
.toolbar{display:flex;align-items:center;gap:6px;padding:6px 10px;border-bottom:1px solid var(--line);min-height:38px}

/* buttons & inputs */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line2);background:var(--panel);padding:7px 14px;border-radius:8px;font-weight:550;white-space:nowrap}
.btn:hover{border-color:var(--faint)}
.btn.primary{background:var(--grad);border-color:transparent;color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--err)}
.btn.ghost{border-color:transparent;background:none;color:var(--muted)}
.btn.ghost:hover{background:var(--panel2);color:var(--text)}
.btn.sm{padding:4px 9px;font-size:12px}
.btn:disabled{opacity:.5;cursor:default}
.inp,select.inp,textarea.inp{width:100%;border:1px solid var(--line2);background:var(--panel);border-radius:8px;padding:6px 9px;outline:none}
.inp:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--sel)}
textarea.inp{font-family:var(--mono);font-size:12.5px;resize:vertical;min-height:64px}
.chk{display:flex;align-items:center;gap:7px;cursor:pointer}
.chk input{accent-color:var(--brand);width:15px;height:15px}

/* results */
.results{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}
.empty{margin:auto;text-align:center;color:var(--muted);max-width:420px;padding:30px}
.empty h3{color:var(--text);margin:10px 0 6px}
.empty .chips{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:14px}
.chip{border:1px solid var(--line2);background:var(--panel);padding:5px 10px;border-radius:20px;font-size:12px;color:var(--text)}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);content-visibility:auto;contain-intrinsic-size:auto 420px;flex:none;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--brand),var(--brand2))}
.card-h{display:flex;align-items:center;gap:8px;padding:8px 10px 8px 14px;border-bottom:1px solid var(--line)}
.card-h .ttl{font-weight:650;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-h .meta{color:var(--faint);font-size:11px;white-space:nowrap}
.card-b{padding:10px 14px 14px;overflow-x:auto}
.card-b h3{font-size:14px;margin:4px 0 8px}
.card-b p{margin:6px 0}
.card-b .warn{background:var(--warnbg);color:var(--warn);padding:6px 10px;border-radius:7px;margin:6px 0}
.card-b .err,.err{background:var(--errbg);color:var(--err);padding:8px 10px;border-radius:7px;margin:4px 0;white-space:pre-wrap}
.card-b pre,.con-out pre{font:12.5px/1.45 var(--mono);margin:4px 0;white-space:pre;overflow-x:auto}
.tblw{overflow-x:auto;margin:8px 0}
.tblw .cap{font-size:11.5px;font-weight:650;color:var(--muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.4px}
table.tbl{border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:12.5px;min-width:50%}
table.tbl th{background:var(--panel2);font-weight:600;text-align:right;padding:5px 10px;border-bottom:1px solid var(--line2);white-space:nowrap}
table.tbl td{padding:4px 10px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
table.tbl th:first-child,table.tbl td:first-child{text-align:left}
table.tbl tr:hover td{background:var(--panel2)}
table.kv td:first-child{color:var(--muted)}
.plot{position:relative;margin:8px 0}
.plot svg.nx-plot{width:100%;height:auto;max-width:100%;display:block;border-radius:6px}
.tip{position:fixed;z-index:80;pointer-events:none;background:rgba(15,23,42,.92);color:#fff;font:11.5px var(--mono);padding:4px 8px;border-radius:6px;white-space:nowrap}
.spin{width:16px;height:16px;border:2px solid var(--line2);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}
.card.loading .card-b{display:flex;align-items:center;gap:10px;color:var(--muted)}

/* console */
.console-wrap{display:flex;flex:1;min-height:0}
.con-main{flex:1;display:flex;flex-direction:column;min-width:0}
.con-out{flex:1;overflow:auto;padding:10px 12px;font:12.5px/1.45 var(--mono)}
.con-out .cmd{color:var(--brand);white-space:pre-wrap;margin-top:8px}
.con-out .cmd::before{content:"› ";color:var(--brand2)}
.con-out .plot{max-width:720px}
.con-out .welcome{color:var(--muted);font-family:inherit;white-space:pre-wrap}
.con-in{display:flex;align-items:flex-start;gap:6px;border-top:1px solid var(--line);padding:8px 10px;background:var(--panel2)}
.con-in .prompt{font:700 15px var(--mono);color:var(--brand2);padding-top:3px}
.con-in textarea{flex:1;border:0;background:transparent;outline:none;resize:none;font:13px/1.5 var(--mono);padding:5px 0;max-height:200px}
.con-ws{width:210px;border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0;background:var(--panel2)}
.ws-head,.ws-foot{display:flex;align-items:center;gap:4px;padding:8px 10px;border-bottom:1px solid var(--line)}
.ws-foot{border-top:1px solid var(--line);border-bottom:0;flex-wrap:wrap}
.ws-list{flex:1;overflow:auto;padding:4px}
.ws-item{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:6px;font:12px var(--mono);cursor:pointer}
.ws-item:hover{background:var(--panel)}
.ws-item .nm{font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis}
.ws-item .sz{color:var(--faint);margin-left:auto;font-size:11px}
.ws-item .act{display:none}
.ws-item:hover .act{display:inline-flex}

/* modal */
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px 16px;z-index:70;backdrop-filter:blur(2px)}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);width:min(560px,100%);max-height:88vh;display:flex;flex-direction:column}
.modal.wide{width:min(860px,100%)}
.modal-h{display:flex;align-items:flex-start;gap:10px;padding:14px 16px 10px}
.modal-h h2{font-size:16px;margin:0}
.modal-h p{margin:4px 0 0;color:var(--muted);font-size:12.5px}
.modal-b{padding:6px 16px 12px;overflow:auto;display:flex;flex-direction:column;gap:10px}
.modal-f{display:flex;gap:8px;justify-content:flex-end;padding:12px 16px;border-top:1px solid var(--line)}
.fld{display:flex;flex-direction:column;gap:4px}
.fld>label{font-weight:600;font-size:12px;color:var(--muted)}
.fld .opt{font-weight:400;color:var(--faint)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.colpick{border:1px solid var(--line2);border-radius:8px;max-height:150px;overflow:auto;padding:4px}
.colpick label{display:flex;align-items:center;gap:7px;padding:3px 6px;border-radius:5px;cursor:pointer}
.colpick label:hover{background:var(--panel2)}
.colpick .t{color:var(--accent);font-size:11px;margin-left:auto}
details.adv{border:1px dashed var(--line2);border-radius:9px;padding:6px 10px}
details.adv summary{cursor:pointer;color:var(--muted);font-weight:600;font-size:12px}
details.adv[open]{padding-bottom:10px}
details.adv .advb{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.palette{width:min(620px,100%)}
.palette input{border:0;border-bottom:1px solid var(--line);border-radius:0;font-size:15px;padding:14px 16px;background:transparent;outline:none;width:100%}
.palette .list{max-height:60vh;overflow:auto;padding:6px}
.palette .it{display:flex;flex-direction:column;align-items:flex-start;gap:1px;width:100%;text-align:left;border:0;background:none;padding:7px 10px;border-radius:8px}
.palette .it b{font-weight:600}
.palette .it span{font-size:11.5px;color:var(--muted)}
.palette .it .g{font-size:10px;color:var(--brand);text-transform:uppercase;letter-spacing:.5px}
.palette .it.act{background:var(--brand-soft)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:8px;flex-wrap:wrap}
.tabs button{border:0;background:none;padding:6px 10px;color:var(--muted);border-bottom:2px solid transparent}
.tabs button.on{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
pre.code{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:10px;font:12px/1.5 var(--mono);overflow:auto;max-height:340px;margin:0;white-space:pre}

/* context menu, toasts */
.ctx{position:fixed;z-index:75;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:5px;min-width:200px}
.ctx button{display:flex;width:100%;gap:8px;align-items:center;border:0;background:none;padding:6px 10px;border-radius:6px;text-align:left}
.ctx button:hover{background:var(--brand-soft);color:var(--brand)}
.ctx hr{border:0;border-top:1px solid var(--line);margin:4px}
.toasts{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:6px;z-index:90;align-items:center;pointer-events:none}
.toast{background:#0f172a;color:#fff;padding:8px 14px;border-radius:9px;box-shadow:var(--shadow);font-size:12.5px;max-width:90vw;animation:tin .2s}
.toast.err{background:#b91c1c} .toast.ok{background:#15803d}
@keyframes tin{from{opacity:0;transform:translateY(8px)}}

/* live */
.live{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:12px}
.lcard{border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}
.lcard-h{display:flex;align-items:center;gap:8px;padding:9px 12px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.lcard-h b{font-size:14px}
.badge{font-size:11px;padding:2px 8px;border-radius:20px;background:var(--panel2);color:var(--muted);border:1px solid var(--line)}
.badge.on{background:var(--okbg);color:var(--ok);border-color:transparent}
.badge.alarm{background:var(--errbg);color:var(--err);border-color:transparent}
.lcard-b{padding:10px 12px;display:flex;flex-direction:column;gap:10px}
.lctrl{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end}
.lctrl .fld{min-width:110px;flex:1}
.lstats{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:6px}
.lstat{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:6px 9px}
.lstat small{display:block;color:var(--muted);font-size:10.5px;text-transform:uppercase;letter-spacing:.4px}
.lstat b{font-size:15px;font-variant-numeric:tabular-nums}
.alarmbar{background:var(--errbg);color:var(--err);padding:8px 12px;border-radius:8px;font-weight:600;display:flex;gap:8px;align-items:center}
.keybox{display:flex;gap:6px;align-items:center}
.keybox code{flex:1;font:11.5px var(--mono);background:var(--panel2);border:1px solid var(--line);padding:6px 8px;border-radius:7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.secnote{font-size:12px;color:var(--muted);background:var(--panel2);border-left:3px solid var(--accent);padding:8px 10px;border-radius:6px}

/* AI */
.ai{flex:1;display:flex;flex-direction:column;min-height:0}
.ai-log{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:92%;padding:9px 12px;border-radius:12px;line-height:1.5;overflow-wrap:anywhere}
.msg.u{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px;white-space:pre-wrap}
.msg.a{align-self:flex-start;background:var(--panel2);border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.a pre{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px;overflow:auto;font:12px var(--mono)}
.msg.a code{font:12px var(--mono);background:var(--panel);padding:1px 4px;border-radius:4px}
.msg.a pre code{padding:0;background:none}
.msg.a p{margin:4px 0} .msg.a ul,.msg.a ol{margin:4px 0;padding-left:20px} .msg.a h4{margin:6px 0 2px}
.msg .acts{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}
.ai-in{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:var(--panel2);align-items:flex-end}
.ai-in textarea{flex:1;resize:none;border:1px solid var(--line2);border-radius:10px;padding:8px 10px;background:var(--panel);outline:none;max-height:160px}
.ai-chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 12px 8px}
.ai-note{font-size:11.5px;color:var(--faint);padding:0 12px 6px}

/* mobile */
.mobile-tabs{display:none}
@media (max-width: 860px){
  .brand .eow-word{display:none}
  .searchbtn span:not(.ico),.searchbtn kbd{display:none}
  .langsel{max-width:72px}
  .main{height:calc(100dvh - 50px - 54px)}
  .menubar>.mi>button span:not(.ico),.menubar>.mi-home span:not(.ico){display:none}
  .dropdown.lib{left:8px!important;right:8px;width:auto}
  .pane-left,.pane-right{flex:1 1 100%;border:0}
  .splitter{display:none}
  .main[data-m="sheet"] .pane-right{display:none}
  .main:not([data-m="sheet"]) .pane-left{display:none}
  .dock-tabs{display:none}
  .mobile-tabs{display:flex;position:fixed;left:0;right:0;bottom:0;height:54px;background:var(--panel);border-top:1px solid var(--line);z-index:30;padding-bottom:env(safe-area-inset-bottom)}
  .mobile-tabs button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:0;background:none;color:var(--muted);font-size:10.5px}
  .mobile-tabs button.on{color:var(--brand)}
  .con-ws{display:none}
  .row2,details.adv .advb{grid-template-columns:1fr}
  .overlay{padding:16px}
}
@media print{.top,.dock-tabs,.toolbar,.pane-left,.splitter,.mobile-tabs,.card-h button{display:none!important} body{overflow:visible} .main{height:auto} .pane-right{border:0} .dock-panel{position:static} .results{overflow:visible}}
[hidden]{display:none!important}
.sheet-tabs .st{flex-wrap:nowrap;flex:none}
.sheet-tabs .st>span:first-of-type{overflow:hidden;text-overflow:ellipsis;max-width:160px}

.mlist{max-height:55vh;overflow:auto;margin-top:10px;border:1px solid var(--line);border-radius:8px}
.mgrp{position:sticky;top:0;background:var(--hdr);padding:6px 10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);z-index:1}
.mit{display:flex;justify-content:space-between;gap:10px;width:100%;text-align:left;padding:7px 10px;border:none;border-bottom:1px solid var(--line);background:none;color:var(--text);cursor:pointer;font:inherit}
.mit:hover{background:var(--sel)}.mit.on{background:var(--sel);box-shadow:inset 3px 0 var(--brand)}.mit .muted{font-size:11.5px;white-space:nowrap}
.mchip{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* tool library (group panels with descriptions and a filter) */
.dropdown.lib{width:min(1040px,calc(100vw - 16px));padding:0;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;max-height:calc(100vh - 70px)}
.lib-h{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--panel2)}
.lib-h .ico{color:var(--brand);width:18px;height:18px}.lib-h b{font-size:15px}
.lib-f{border:1px solid var(--line2);background:var(--panel);border-radius:999px;padding:6px 12px;width:min(260px,40vw);outline:none}
.lib-f:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--sel)}
.lib-cols{columns:230px;column-gap:14px;padding:10px 12px 14px;overflow:auto}
.lib-sec{break-inside:avoid;margin-bottom:8px}
.lib-sec .sec{padding:8px 8px 4px}
.lib-it{display:flex!important;flex-direction:column;align-items:flex-start!important;gap:1px!important;padding:6px 8px!important;border-radius:9px!important}
.lib-it b{font-weight:600;font-size:12.5px}
.lib-it span{font-size:11.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.35}
.lib-it:hover b{color:var(--brand)}

/* start hub */
#tab-home{overflow:auto}
.home{max-width:980px;width:100%;margin:0 auto;padding:16px;display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start}
.home-hero{grid-column:1/-1;padding:20px;border-radius:18px;background:linear-gradient(135deg,rgba(79,70,229,.10),rgba(13,148,136,.10));border:1px solid var(--line)}
.home-hero .hi{font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.home-hero h2{margin:4px 0 12px;font-size:21px;letter-spacing:-.2px}
.qwrap{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line2);border-radius:999px;padding:0 14px}
.qwrap:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--sel)}
.qwrap .ico{color:var(--muted)}
.home-q{flex:1;border:0;background:none;outline:none;padding:11px 0;font-size:14px;min-width:0}
.glabel{font-size:11px;color:var(--muted);font-weight:650;margin:12px 0 6px;text-transform:uppercase;letter-spacing:.5px}
.home-goals{display:flex;flex-wrap:wrap;gap:6px}
.goal{border:1px solid var(--line2);background:var(--panel);border-radius:999px;padding:5px 11px;font-size:12px}
.goal:hover,.goal.on{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.home-found{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:6px;margin-top:10px}
.home-found:empty{display:none}
.hf-h{grid-column:1/-1;display:flex;align-items:center;font-weight:650;color:var(--muted);font-size:12px}
.tool{display:flex;gap:10px;align-items:flex-start;text-align:left;border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:9px 11px}
.tool:hover{border-color:var(--brand)}
.tool .ico{color:var(--brand);margin-top:2px}
.tool .tx,.sg .tx{display:flex;flex-direction:column;gap:1px;min-width:0}
.tool .tx span,.sg .tx span{font-size:11.5px;color:var(--muted);line-height:1.35}
.hcard{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px 16px;min-width:0}
.hcard h3{display:flex;align-items:center;gap:8px;margin:0 0 10px;font-size:14px}
.hcard h3 .ico{color:var(--brand)}
.home-data{display:contents}
.hcard.cont p{margin:0 0 10px}
.sheetinfo{display:flex;align-items:baseline;gap:10px;margin-bottom:8px}
.colchips{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px}
.cchip{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:999px;padding:2px 9px 2px 3px;font-size:12px;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cchip i{font-style:normal;font-size:9.5px;font-weight:700;padding:1px 5px;border-radius:999px;background:var(--brand-soft);color:var(--brand)}
.cchip.T i{background:rgba(13,148,136,.12);color:var(--accent)}
.cchip.more{padding:2px 9px;color:var(--muted)}
.hrow{display:flex;flex-wrap:wrap;gap:8px}
.sgrid{display:flex;flex-direction:column;gap:6px}
.sg{display:flex;align-items:center;gap:10px;text-align:left;border:1px solid var(--line);background:var(--panel2);border-radius:12px;padding:8px 10px}
.sg:hover{border-color:var(--brand);background:var(--panel)}
.sg-ic{display:inline-flex;width:30px;height:30px;flex:none;border-radius:9px;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand)}
.sg-ic svg{width:16px;height:16px}
.sg .go{margin-left:auto;color:var(--faint)}
.hcard.quick,.hcard.wide{grid-column:1/-1}
.qgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px}
.qa{display:flex;flex-direction:column;align-items:flex-start;gap:3px;text-align:left;border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:12px}
.qa:hover{border-color:var(--brand);box-shadow:var(--shadow)}
.qa span:last-child{font-size:11.5px;color:var(--muted);line-height:1.35}
.qa-ic{display:inline-flex;width:32px;height:32px;border-radius:10px;align-items:center;justify-content:center;background:var(--grad);color:#fff;margin-bottom:4px}
.qa-ic svg{width:17px;height:17px}
.hcard.recent{grid-column:1/-1}
.rc{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding:6px 0}
.rc:first-of-type{border-top:0}
.rc-t{flex:1;display:flex;align-items:baseline;gap:10px;text-align:left;border:0;background:none;padding:4px 2px;min-width:0}
.rc-t b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rc-t span{font-size:11.5px;white-space:nowrap}
.rc-t:hover b{color:var(--brand)}
@media (max-width: 860px){.home{grid-template-columns:1fr;padding:12px}.home-hero h2{font-size:18px}}
/* suite signature: on medium screens the mark + product tag stay, the wordmark gives room to the tool library */
@media (max-width: 1500px){ .top .brand .eow-word{display:none} }