:root{
  --bg:#f4f6f9; --panel:#ffffff; --panel2:#eef1f5; --line:#dde3ea;
  --txt:#1c2630; --muted:#667281; --accent:#2563eb;
  --normal:#1e9e54; --mild:#c9870a; --modsev:#d83a2f;
  --train:#2563eb; --held:#7c3aed;
  --shadow:0 1px 3px rgba(20,30,45,.06),0 1px 2px rgba(20,30,45,.04);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",sans-serif;
  background:var(--bg);color:var(--txt);font-size:14px;line-height:1.5}
h1,h2,h3{margin:0;font-weight:650}
button{cursor:pointer;font-family:inherit}
select,input{font-family:inherit}

#topbar{position:sticky;top:0;z-index:20;background:var(--panel);border-bottom:1px solid var(--line);
  padding:12px 20px;display:grid;grid-template-columns:1fr auto;grid-template-areas:"brand controls" "desc desc";gap:8px 16px}
.brand{grid-area:brand}
.brand h1{font-size:18px}
.sub{margin:2px 0 0;color:var(--muted);font-size:12.5px}
.controls{grid-area:controls;display:flex;gap:18px;align-items:center}
.ctl{display:flex;flex-direction:column;gap:4px}
.ctl label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.seg{display:inline-flex;background:var(--panel2);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{background:transparent;border:0;color:var(--muted);padding:6px 12px;font-size:13px}
.seg button.active{background:var(--accent);color:#fff}
.apibox{display:inline-flex;gap:6px;align-items:center}
.apibox input{width:150px;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px;padding:6px 8px;font-size:12.5px}
.apibox select{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px;padding:6px;font-size:12.5px}
.model-desc{grid-area:desc;color:var(--muted);font-size:12.5px;border-top:1px dashed var(--line);padding-top:8px}
.model-desc b{color:var(--txt)}
.model-desc .pill{display:inline-block;background:var(--panel2);border:1px solid var(--line);border-radius:999px;
  padding:1px 9px;margin-right:8px;color:var(--accent);font-size:11.5px}

#layout{display:grid;grid-template-columns:288px 1fr;min-height:calc(100vh - 96px)}
#sidebar{border-right:1px solid var(--line);background:var(--panel);padding:14px;position:sticky;top:96px;align-self:start;
  height:calc(100vh - 96px);overflow-y:auto}
#sidebar h2{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px}
.sortrow{display:flex;gap:6px;margin-bottom:8px}
.sortrow select{flex:1;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px;padding:6px}
#sortDir{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px;width:34px}
#search{width:100%;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px;padding:7px 9px;margin-bottom:10px}
#subjectList{list-style:none;margin:0;padding:0}
#subjectList li{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:8px;cursor:pointer;border:1px solid transparent}
#subjectList li:hover{background:var(--panel2)}
#subjectList li.sel{background:var(--panel2);border-color:var(--accent)}
.sid{font-weight:650;width:48px}
.mmse-badge{font-size:12px;color:var(--muted);width:30px;text-align:right}
.pmark{width:13px;text-align:center;font-size:12px;font-weight:700;flex:none}
.pmark.ok{color:var(--normal)} .pmark.bad{color:var(--modsev)}
.dot{width:9px;height:9px;border-radius:50%;flex:none}
.dot.Normal{background:var(--normal)} .dot.Mild{background:var(--mild)} .dot.Moderate-Severe{background:var(--modsev)}
.tag{margin-left:auto;font-size:10px;padding:1px 7px;border-radius:999px;border:1px solid}
.tag.workable{color:var(--train);border-color:var(--train)}
.tag.heldout{color:var(--held);border-color:var(--held)}

#content{padding:18px 22px;min-width:0}
.empty{color:var(--muted);padding:60px 20px;text-align:center;font-size:15px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:16px;box-shadow:var(--shadow)}
.card h3{font-size:15px;margin-bottom:8px}
.note{color:var(--muted);font-size:12.5px;margin:0 0 10px}

.subjhead{display:flex;flex-wrap:wrap;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:14px 18px;margin-bottom:16px;box-shadow:var(--shadow)}
.subjhead .big{font-size:22px;font-weight:700}
.metric{display:flex;flex-direction:column;line-height:1.25}
.metric .k{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.metric .v{font-size:17px;font-weight:650}
.gline{width:1px;height:34px;background:var(--line)}
.chip{font-size:12px;padding:2px 10px;border-radius:999px;border:1px solid var(--line)}
.chip.ok{color:var(--normal);border-color:var(--normal)}
.chip.bad{color:var(--modsev);border-color:var(--modsev)}
.grp-Normal{color:var(--normal)} .grp-Mild{color:var(--mild)} .grp-Moderate-Severe{color:var(--modsev)}

table.feat{width:100%;border-collapse:collapse;font-size:13px}
table.feat th,table.feat td{text-align:left;padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:top}
table.feat th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;cursor:pointer}
table.feat td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.fname{font-weight:600}
.fdesc{color:var(--muted);font-size:12px}
.catpill{display:inline-block;font-size:10px;font-weight:600;padding:1px 8px;border-radius:999px;margin-bottom:3px;
  border:1px solid var(--line);color:var(--muted);background:var(--panel2)}
.cat-timedomain{color:#1d4ed8;background:#e8efff;border-color:#bcd0ff}
.cat-spectral{color:#c2410c;background:#fdeee2;border-color:#f6cda9}
.cat-entropy{color:#0e7490;background:#e2f5f8;border-color:#aee0e8}
.cat-dynamics{color:#a16207;background:#fbf3da;border-color:#ecd99a}
.cat-clinical{color:#0f766e;background:#e3f4ee;border-color:#aedccc}
.cat-embedding{color:#7c3aed;background:#f1ebfe;border-color:#d6c4f8}
.standbar{position:relative;height:7px;background:var(--panel2);border-radius:4px;width:90px;margin-top:3px}
.standbar i{position:absolute;top:-2px;width:3px;height:11px;background:var(--accent);border-radius:2px}
.eff{font-size:12px;white-space:nowrap}
.eff-up{color:var(--normal)} .eff-down{color:var(--modsev)} .eff-weak{color:var(--muted)}
.impbar{height:6px;background:var(--accent);border-radius:3px;min-width:2px}

.gptctl{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.gptctl input{flex:1;min-width:200px;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px;padding:8px}
.gptctl select{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px;padding:8px}
#gptBtn{background:var(--accent);color:#fff;border:0;border-radius:7px;padding:8px 16px;font-weight:600}
#gptBtn:disabled{opacity:.55}
.gptout{white-space:pre-wrap;background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:12px;
  min-height:10px;font-size:13.5px;line-height:1.6;display:none}
.gptout.show{display:block}
.gptout.err{color:var(--modsev)}

.foldhdr{cursor:pointer;user-select:none}
.caret{display:inline-block;transition:transform .15s;color:var(--muted)}
.foldhdr.open .caret{transform:rotate(90deg)}
.foldbody{margin-top:10px}
table.clin{width:100%;border-collapse:collapse;font-size:13px}
table.clin td{padding:6px 8px;border-bottom:1px solid var(--line)}
table.clin td.k{color:var(--muted);width:55%}
table.clin td.v{text-align:right;font-variant-numeric:tabular-nums}
.clin-cols{column-width:340px;column-gap:24px}

/* header ghost button */
.ghostbtn{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:7px 12px;font-size:13px}
.ghostbtn:hover{border-color:var(--accent);color:var(--accent)}

/* sidebar: overview button, filters, count */
.overviewbtn{width:100%;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:8px;
  padding:9px;font-size:13.5px;font-weight:600;margin-bottom:12px}
.overviewbtn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.filterrow{display:flex;gap:6px;margin-bottom:8px}
.filterrow select{flex:1;min-width:0;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px;padding:5px 4px;font-size:11.5px}
.listcount{color:var(--muted);font-size:11px;margin-bottom:6px;text-align:right}

/* model comparison card */
table.cmp{width:100%;border-collapse:collapse;font-size:13px}
table.cmp th,table.cmp td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}
table.cmp th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase}
table.cmp td.num,table.cmp th.num{text-align:right;font-variant-numeric:tabular-nums}
tr.cmp-active{background:var(--panel2)}
tr.cmp-active td:first-child{font-weight:700;border-left:3px solid var(--accent)}

/* overview dashboard */
.ovhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.ovhead h2{font-size:19px}
.ovhead select{background:var(--panel);color:var(--txt);border:1px solid var(--line);border-radius:7px;padding:6px 10px}
.ovmetrics{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:16px}
.ovcard{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.ovk{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.ovv{font-size:24px;font-weight:700;margin-top:3px}
.ovgrid{display:grid;grid-template-columns:1.6fr 1fr;gap:16px}
@media(max-width:760px){.ovmetrics{grid-template-columns:repeat(2,1fr)}.ovgrid{grid-template-columns:1fr}}
table.conf{border-collapse:collapse;font-size:13px;margin:4px auto}
table.conf td{border:1px solid var(--line);padding:8px 14px;text-align:center;min-width:54px}
table.conf td.ch{color:var(--muted);font-size:11px;background:var(--panel2);font-weight:600}
table.conf td.cok{background:#e3f4ee;color:#0f766e;font-weight:700;font-size:16px}
table.conf td.cbad{background:#fdeee2;color:#c2410c;font-weight:700;font-size:16px}
table.band{width:100%;border-collapse:collapse;font-size:13px}
table.band th,table.band td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left}
table.band th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase}
table.band td.num,table.band th.num{text-align:right;font-variant-numeric:tabular-nums}

/* about modal */
.overlay{position:fixed;inset:0;background:rgba(20,30,45,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:14px;max-width:680px;width:100%;max-height:86vh;overflow-y:auto;padding:24px 28px;position:relative;box-shadow:0 12px 40px rgba(20,30,45,.25)}
.modalclose{position:absolute;top:12px;right:14px;background:none;border:0;font-size:18px;color:var(--muted)}
.modal h2{font-size:19px;margin-bottom:8px}
.modal h3{font-size:14px;margin:16px 0 4px}
.modal p,.modal li{font-size:13.5px;color:var(--txt);line-height:1.6}
.modal ul{margin:4px 0;padding-left:20px}

@media(max-width:900px){#layout{grid-template-columns:1fr}#sidebar{position:static;height:auto}}