/* Agent Studio v3 — two-column workbench with a 4-step spine, collapsible advanced zone.
   Reuses matrix tokens (--card/--line-dk/--gold-dk/--hand/--paper2/--ink/--muted). */

/* ---------- step spine ---------- */
.steps{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 10px}
.steps .s{font-size:12.5px;border:1px solid var(--line-dk);border-radius:999px;padding:6px 13px;background:var(--card);color:var(--muted)}
.steps .s.on{background:var(--gold-dk);color:#fff;border-color:var(--gold-dk)}
.steps .s.done{background:#f2f7f1;border-color:#b9d6b0;color:#2c6b4f}

/* ---------- shell ---------- */
.wb-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:22px;margin-top:12px;align-items:start}
.wb-left{max-width:430px}
.wb-right{position:sticky;top:78px;min-width:520px}
.wb-left .section{margin-bottom:18px}
@media(max-width:980px){
  .wb-shell{grid-template-columns:1fr}
  .wb-right{position:static;min-width:0}
  .wb-left{max-width:none}
}

/* ---------- state bar ---------- */
.wb-state{display:flex;gap:10px;flex-wrap:wrap;align-items:center;background:var(--card);border:1px solid var(--line-dk);border-radius:8px;padding:9px 13px;font-size:12.5px}
.wb-state .st-phase{font-family:var(--hand);color:var(--gold-dk)}
.wb-state .pill{border:1px solid var(--line-dk);border-radius:6px;padding:4px 8px;background:var(--paper2);color:var(--muted);font-size:12px}
.wb-state .pill.warn{border-color:#e0b4ac;background:#fdf2ef;color:#8a3327}
.wb-state .pill.good{border-color:#b9d6b0;background:#f2f7f1;color:#2c6b4f}

/* ---------- tabs ---------- */
.wb-tabs{display:flex;gap:7px;flex-wrap:wrap;margin:11px 0 9px}
.wb-tabs button{font-family:var(--hand);font-size:12.5px;border:1px solid var(--line-dk);background:var(--card);border-radius:6px;padding:6px 11px;cursor:pointer;color:var(--muted)}
.wb-tabs button.on{background:var(--gold);color:#fff;border-color:var(--gold-dk)}
.wb-panel{display:none}
.wb-panel.on{display:block}

/* ---------- collapsible advanced zone ---------- */
.adv{margin-top:18px;border:1px dashed var(--line-dk);border-radius:8px;background:var(--paper2);padding:10px 14px}
.adv summary{font-family:var(--hand);font-size:13px;color:var(--gold-dk);cursor:pointer}
.collapsed-sec details{border:1px solid var(--line-dk);border-radius:7px;background:var(--card);padding:8px 11px}
.collapsed-sec summary{cursor:pointer;font-size:13px;font-family:var(--hand)}

/* ---------- compact example row ---------- */
.exrow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.exrow .ex-card{border:1px solid var(--line-dk);border-radius:7px;background:var(--card);padding:9px 11px;font-size:12.5px}
.exrow .ex-card b{display:block;font-size:13px;margin-bottom:4px}
.exrow .ex-card .hint{font-size:11.5px}
@media(max-width:640px){.exrow{grid-template-columns:1fr}}

/* ---------- trace flow ---------- */
.trace{margin-top:10px;display:flex;flex-direction:column;gap:7px}
.tstep{background:var(--card);border:1px solid var(--line-dk);border-radius:6px;padding:8px 11px;font-size:12.5px}
.tstep.ok{border-color:#b9d6b0}
.tstep.bad{border-color:#e0b4ac;background:#fdf2ef}
.tstep.run{border-style:dashed;color:var(--muted)}
.tstep summary{cursor:pointer;list-style:none}
.tmeta{margin-top:5px;color:var(--muted);font-size:11.5px;line-height:1.4}
.tdetail{margin-top:7px;color:var(--muted);font-size:11.5px;background:var(--paper2);border:1px dashed var(--line-dk);border-radius:6px;padding:7px 9px;white-space:pre-wrap}
.evidence{margin-top:9px;display:flex;flex-direction:column;gap:6px}
.ev-item{font-size:12px;border:1px solid var(--line-dk);border-radius:6px;padding:6px 9px;background:var(--card)}
.ev-src{font-family:var(--hand);color:var(--gold-dk)}

/* ---------- test suite / checklist ---------- */
.suite{margin-top:10px;display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.suite select,.suite input{border:1px solid var(--line-dk);border-radius:6px;background:var(--card);font-size:12.5px;padding:6px 9px;color:var(--ink)}
.case-list{margin-top:8px;display:flex;flex-direction:column;gap:5px}
.case-row{display:flex;gap:7px;align-items:center;font-size:12px;border:1px solid var(--line-dk);border-radius:6px;padding:6px 9px;background:var(--card)}
.case-row.ok{border-color:#b9d6b0}
.case-row.bad{border-color:#e0b4ac;background:#fdf2ef}
.case-row .cid{font-family:var(--hand);color:var(--gold-dk)}
.gate{margin-top:9px;padding:8px 11px;border:1px dashed var(--line-dk);border-radius:6px;background:var(--paper2);font-size:12px}
.gate.bad{border-color:#e0b4ac;background:#fdf2ef}
.gate.good{border-color:#b9d6b0;background:#f2f7f1}
.checklist{margin-top:9px;display:flex;flex-direction:column;gap:5px}
.checklist .ck{display:flex;gap:8px;align-items:center;font-size:12px;border:1px solid var(--line-dk);border-radius:6px;padding:6px 9px;background:var(--card)}
.checklist .ck.ok{border-color:#b9d6b0}
.checklist .ck.bad{border-color:#e0b4ac;background:#fdf2ef}

/* ---------- monitor / compare ---------- */
.mgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:9px;margin-top:10px}
.mcell{border:1px solid var(--line-dk);border-radius:6px;background:var(--card);padding:9px 11px}
.mcell b{font-family:var(--hand);font-size:19px;color:#8c5e1a;display:block;line-height:1.2}
.mcell span{font-size:11.5px;color:var(--muted)}
table.ab{width:100%;border-collapse:collapse;margin-top:9px;font-size:12px}
table.ab th,table.ab td{border:1px solid var(--line-dk);padding:6px 8px;background:var(--card);text-align:left}
table.ab th{font-family:var(--hand);color:var(--gold-dk)}

/* ---------- clarify chips ---------- */
.clarifyBox,.clarify .qchip{display:inline-block;border:1px dashed var(--line-dk);border-radius:7px;padding:6px 10px;font-size:12px;color:var(--muted);margin:4px 4px 0 0;cursor:pointer;background:var(--card)}
.clarify .qchip:hover{border-color:var(--gold-dk);color:var(--gold-dk)}

.section{max-width:1000px;margin:0 auto}
@media (max-width:640px){ .section{padding:0 12px} .inrow{gap:8px} }

.specmore{margin-top:8px;border:1px dashed var(--line-dk);border-radius:6px;background:var(--paper2);padding:7px 10px}
.specmore summary{cursor:pointer;font-size:12px;color:var(--muted);font-family:var(--hand)}

/* --- workbench v4 (20261028a): three columns, three views --- */
.wb-shell{grid-template-columns:minmax(0,300px) minmax(0,1.35fr) minmax(0,300px)}
.wb-left{max-width:none}
.wb-out{position:sticky;top:78px;border:1px solid var(--line-dk);border-radius:10px;background:var(--card);padding:12px 14px}
.out-head{font-family:var(--hand);font-size:13px;color:var(--gold-dk);margin-bottom:8px}
.pkgmini{display:flex;flex-wrap:wrap;gap:6px}
.pkgmini b{font-family:var(--mono);font-size:11.5px;border:1px solid var(--line-dk);border-radius:6px;padding:4px 7px;background:var(--paper2)}
.subpanel{margin-top:14px;border-top:1px dashed var(--line-dk);padding-top:12px}
@media(max-width:1080px){.wb-shell{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr)}.wb-out{position:static}}
@media(max-width:980px){.wb-shell{grid-template-columns:1fr}}

.replaylink{color:#cfe3d8;text-decoration:none;font-size:12px;border:1px solid var(--line-dk);border-radius:6px;padding:4px 9px}
.replaylink:hover{color:#fff;background:#102b22}

/* ===== workbench input maximized (immutable 20261028a) ===== */
.wb-shell{grid-template-columns:minmax(0,340px) minmax(0,1.3fr) minmax(0,300px)}
.needbox{width:100%}
#needInput{width:100%;min-height:170px;font-size:15px;line-height:1.5;border-radius:12px;padding:14px 16px}
@media(max-width:1080px){.wb-shell{grid-template-columns:minmax(0,340px) minmax(0,1.4fr)}}

/* mobile: single column so the middle panel never collapses to 0 width */
@media(max-width:980px){
  .wb-shell{grid-template-columns:1fr}
  #needInput{min-height:150px}
  .wb-out{position:static}
}