/* Product Catalog and System Builder. Builds on the wizard design system (css/support-flowchart.css: tokens, .btn, .pill, .card). Presentation only. */

.cat-shell{display:grid;grid-template-columns:292px minmax(0,1fr);gap:16px;max-width:1760px;margin:0 auto;padding:16px 20px 40px;align-items:start}
.cat-nav{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto;padding:14px;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}
.cat-main{min-width:0}

/* ---- navigation ---- */
.cat-search{position:relative;margin-bottom:10px}
.cat-search input{width:100%;box-sizing:border-box;padding:9px 12px 9px 34px;border:1px solid var(--line-strong);border-radius:var(--r-sm);font:inherit;font-size:13.5px;background:var(--surface) var(--i-search) no-repeat 10px center/16px;background-image:none}
.cat-search::before{content:"";position:absolute;left:11px;top:50%;width:15px;height:15px;margin-top:-7.5px;background:var(--muted);-webkit-mask:var(--i-search) center/contain no-repeat;mask:var(--i-search) center/contain no-repeat}
.cat-search input:focus{outline:2px solid var(--brand-ring);border-color:var(--brand)}
.nav-hit-list{margin:6px 0 10px;padding:6px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface-2);max-height:260px;overflow:auto}
.nav-hit-list a{display:flex;justify-content:space-between;gap:8px;padding:5px 7px;border-radius:6px;color:var(--ink);text-decoration:none;font-size:13px}
.nav-hit-list a:hover{background:var(--surface-3)}
.nav-hit-list small{color:var(--muted)}
.nav-builder{display:flex;align-items:center;gap:10px;padding:11px 12px;margin-bottom:10px;border-radius:var(--r);background:var(--brand);color:#fff;text-decoration:none;font-weight:700;font-size:14px;box-shadow:0 1px 2px rgba(165,13,38,.3)}
.nav-builder small{display:block;font-weight:500;opacity:.88;font-size:11.5px}
.nav-builder:hover{background:var(--brand-strong);color:#fff}
.nav-builder.active{box-shadow:0 0 0 3px var(--brand-ring)}
.nav-builder .nav-count{margin-left:auto;background:#fff;color:var(--brand);border-radius:999px;padding:1px 8px;font-size:12px}
.nav-cat{border-top:1px solid var(--line)}
.nav-cat>summary{display:flex;align-items:center;gap:8px;list-style:none;cursor:pointer;padding:9px 4px;font-weight:700;font-size:13.5px;color:var(--ink)}
.nav-cat>summary::-webkit-details-marker{display:none}
.nav-cat>summary::before{content:"";width:7px;height:7px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(-45deg);transition:transform var(--fast) ease;margin:0 3px 0 2px}
.nav-cat[open]>summary::before{transform:rotate(45deg)}
.nav-cat .nav-n{margin-left:auto;font-weight:500;color:var(--muted);font-size:12px}
.nav-cat-link{font-weight:600;font-size:12px;color:var(--info);text-decoration:none;padding:0 4px 4px 22px;display:block}
.nav-items{margin:0 0 8px;padding:0;list-style:none}
.nav-items a{display:block;padding:5px 8px 5px 22px;border-radius:6px;text-decoration:none;color:var(--text-2);font-size:13px;line-height:1.35}
.nav-items a:hover{background:var(--surface-3);color:var(--ink)}
.nav-items a.active{background:var(--brand-soft);color:var(--brand-strong);font-weight:700;box-shadow:inset 3px 0 0 var(--brand)}
.nav-items a small{display:block;color:var(--muted);font-weight:400;font-size:11.5px}

/* ---- status chips ---- */
.st{display:inline-flex;align-items:center;gap:6px;padding:2px 9px;border-radius:999px;border:1px solid var(--line);font-size:12px;font-weight:700;line-height:1.6;white-space:nowrap}
.st::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.st.verified{background:var(--success-soft);border-color:var(--success-line);color:var(--success)}
.st.conditional{background:var(--warning-soft);border-color:var(--warning-line);color:var(--warning)}
.st.incompatible{background:var(--danger-soft);border-color:var(--danger-line);color:var(--danger)}
.st.unverified{background:var(--surface-3);border-color:var(--line-strong);color:var(--text-2)}
.st.neutral{background:var(--info-soft);border-color:var(--info-line);color:var(--info)}

/* ---- common blocks ---- */
.cat-h{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.cat-h h2{margin:0 0 4px;font-size:22px}
.cat-h p{margin:0;color:var(--text-2);font-size:13.5px}
.crumbs{font-size:12.5px;color:var(--muted);margin-bottom:6px}
.crumbs a{color:var(--info);text-decoration:none;font-weight:600}
.tile{width:56px;height:56px;border-radius:12px;background:var(--surface-3);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:var(--text-2);flex:none;overflow:hidden}
.tile img{width:100%;height:100%;object-fit:contain;background:#fff}
.tile.sm{width:40px;height:40px;border-radius:9px;font-size:12px}
.tile.lg{width:120px;height:120px;border-radius:16px;font-size:26px}
.muted-note{color:var(--muted);font-size:12.5px}
.disclaimer{margin-top:14px;padding:10px 12px;border:1px solid var(--info-line);background:var(--info-soft);border-radius:var(--r-sm);font-size:12.5px;color:#1d3b63}

/* ---- category overview ---- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.pcard{display:flex;gap:12px;padding:12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);text-decoration:none;color:var(--ink);transition:border-color var(--fast) ease,box-shadow var(--fast) ease}
.pcard:hover{border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.pcard b{display:block;font-size:14px}
.pcard small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.pcard .pc-tags{margin-top:6px}
.hero-builder{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:18px 20px;margin-bottom:18px;border-radius:var(--r-lg);background:var(--brand-soft);border:1px solid var(--brand-line)}
.hero-builder h2{margin:0 0 4px}
.hero-builder p{margin:0;color:var(--text-2);max-width:62ch;font-size:13.5px}

/* ---- product page ---- */
.prod-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:12px;flex-wrap:wrap}
.prod-head .ph-main{flex:1;min-width:260px}
.prod-head h2{margin:0 0 6px;font-size:24px}
.prod-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.ctabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:14px 0;overflow-x:auto}
.ctabs button{border:0;background:transparent;padding:9px 14px;font:inherit;font-size:13.5px;font-weight:600;color:var(--text-2);cursor:pointer;border-bottom:3px solid transparent;white-space:nowrap}
.ctabs button:hover{color:var(--ink)}
.ctabs button[aria-selected="true"]{color:var(--brand-strong);border-bottom-color:var(--brand)}
.sec{margin:0 0 18px}
.sec h3{margin:0 0 8px;font-size:15px}
.ckv{width:100%;border-collapse:collapse;font-size:13.5px}
.ckv th,.ckv td{text-align:left;vertical-align:top;padding:7px 8px;border-top:1px solid var(--line)}
.ckv tr:first-child th,.ckv tr:first-child td{border-top:0}
.ckv th{width:34%;color:var(--muted);font-weight:500}
.ckv td{font-weight:600}
.ckv td .src{display:block;font-weight:400;font-size:11.5px;color:var(--muted)}
.vtable-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--r-sm)}
.vtable{width:100%;border-collapse:collapse;font-size:12.5px;min-width:560px}
.vtable th,.vtable td{padding:6px 9px;border-top:1px solid var(--line);text-align:left;white-space:nowrap}
.vtable thead th{background:var(--surface-2);border-top:0;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.gallery{display:flex;gap:10px;flex-wrap:wrap}
.gallery figure{margin:0;width:170px}
.gallery img{width:170px;height:130px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm)}
.gallery figcaption{font-size:11.5px;color:var(--muted);margin-top:3px}
.placeholder{padding:16px;border:1px dashed var(--line-strong);border-radius:var(--r-sm);color:var(--muted);font-size:13px;background:var(--surface-2)}
.doc-grid{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.doc-grid li{display:flex;gap:10px;align-items:baseline;padding:8px 10px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface)}
.doc-grid a{font-weight:600;color:var(--info);text-decoration:none}
.doc-grid a:hover{text-decoration:underline}
.doc-role{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);min-width:96px}
.catpills{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.catpills button{border:1px solid var(--line-strong);background:var(--surface);border-radius:999px;padding:4px 12px;font:inherit;font-size:12.5px;font-weight:600;cursor:pointer;color:var(--text-2)}
.catpills button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.rel-list{display:grid;gap:8px}
.rel{display:flex;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);align-items:flex-start}
.rel .rel-main{flex:1;min-width:0}
.rel .rel-main a{font-weight:700;color:var(--ink);text-decoration:none}
.rel .rel-main a:hover{text-decoration:underline}
.rel ul{margin:4px 0 0;padding-left:16px;font-size:12.5px;color:var(--text-2)}
.rel .rel-act{display:flex;flex-direction:column;gap:6px;align-items:flex-end}

/* ---- system builder ---- */
.builder-grid{display:grid;gap:14px;grid-template-columns:minmax(250px,300px) minmax(0,1fr) minmax(280px,340px);align-items:start}
.bpanel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:14px 16px;min-width:0}
.bpanel>h3{margin:0 0 10px;font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.bsel{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}
.bdet{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}
.bsel .chips{display:flex;gap:5px;flex-wrap:wrap;margin:8px 0}
.bsel .chips button{border:1px solid var(--line-strong);background:var(--surface);border-radius:999px;padding:2px 10px;font:inherit;font-size:12px;font-weight:600;cursor:pointer;color:var(--text-2)}
.bsel .chips button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.bsel input[type=search]{width:100%;box-sizing:border-box;padding:8px 10px;border:1px solid var(--line-strong);border-radius:var(--r-sm);font:inherit;font-size:13px}
.bcat{border-top:1px solid var(--line)}
.bcat>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px;padding:8px 0;font-weight:700;font-size:13px}
.bcat>summary::-webkit-details-marker{display:none}
.bcat>summary::before{content:"";width:6px;height:6px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(-45deg);transition:transform var(--fast) ease}
.bcat[open]>summary::before{transform:rotate(45deg)}
.bcat .nav-n{margin-left:auto;font-weight:500;color:var(--muted);font-size:12px}
.cand{display:flex;gap:9px;align-items:flex-start;padding:7px 0;border-top:1px solid var(--surface-3)}
.cand .c-main{flex:1;min-width:0;font-size:13px}
.cand .c-main b{display:block;font-size:13px;line-height:1.3}
.cand .c-main small{color:var(--muted);font-size:11.5px;display:block}
.cand .c-note{font-size:11.5px;color:var(--text-2);margin-top:2px}
.cand .c-act{flex:none;display:flex;flex-direction:column;gap:4px;align-items:flex-end}
.bgroup{margin:6px 0 2px;font-size:11.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.bsub>summary{cursor:pointer;font-size:12px;color:var(--text-2);padding:5px 0;font-weight:600}
.replace-bar{padding:8px 10px;background:var(--info-soft);border:1px solid var(--info-line);border-radius:var(--r-sm);font-size:12.5px;margin-bottom:8px;display:flex;justify-content:space-between;gap:8px;align-items:center}

.board{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr) minmax(0,1fr);gap:26px;position:relative;min-height:240px}
.board .lane{display:flex;flex-direction:column;gap:14px;justify-content:center}
.board svg.wires{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.bnode{position:relative;z-index:1;display:flex;gap:10px;padding:10px;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--surface);box-shadow:var(--shadow-1)}
.bnode.s-verified{border-color:var(--success-line)}
.bnode.s-conditional{border-color:var(--warning-line)}
.bnode.s-incompatible{border-color:var(--danger);box-shadow:0 0 0 2px var(--danger-soft)}
.bnode.s-unverified{border-style:dashed}
.bnode .n-main{flex:1;min-width:0}
.bnode .n-main b{display:block;font-size:13.5px;line-height:1.25}
.bnode .n-cat{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.bnode .n-link{margin-top:4px;font-size:11.5px;color:var(--text-2)}
.bnode .n-act{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}
.bnode .n-act .btn{min-height:26px;padding:3px 9px;font-size:12px}
.bnode.ghost{border-style:dashed;background:var(--surface-2);color:var(--muted);box-shadow:none;align-items:center}
.bnode.grid-node{border-style:solid;background:var(--surface-3);align-items:center}
.bnode details.params{margin-top:6px;font-size:12px}
.bnode details.params summary{cursor:pointer;color:var(--info);font-weight:600}
.pfield{display:block;margin:6px 0}
.pfield span{display:block;font-size:11.5px;color:var(--muted);margin-bottom:2px}
.pfield input,.pfield select{width:100%;box-sizing:border-box;padding:5px 7px;border:1px solid var(--line-strong);border-radius:6px;font:inherit;font-size:12.5px;background:#fff}
.pfield em{display:block;font-style:normal;font-size:11px;color:var(--muted);margin-top:2px}
.legend{display:flex;gap:14px;flex-wrap:wrap;margin:14px 0 4px;font-size:12px;color:var(--text-2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{display:inline-block;width:28px;height:0;border-top:3px solid}
.l-ac{border-color:#24211d!important}
.l-dc{border-color:#c2680c!important}
.l-comm{border-color:#1f5fad!important}
.l-metering{border-color:#7a4cc2!important;border-top-style:solid}
.l-monitoring{border-color:#1f5fad!important;border-top-style:dashed!important}
.l-control{border-color:#1d7a4c!important;border-top-style:dotted!important}
.l-neutral{border-color:#9a948c!important;border-top-style:dashed!important}
.l-bad{border-color:#b42318!important}
.edges{margin:10px 0 0;padding:0;list-style:none;font-size:12.5px;color:var(--text-2)}
.edges li{padding:4px 0;border-top:1px solid var(--surface-3);display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.empty-board{padding:34px 16px;text-align:center;color:var(--muted);border:1px dashed var(--line-strong);border-radius:var(--r);background:var(--surface-2)}
.bar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}

.overall{padding:12px 14px;border-radius:var(--r);border:1px solid var(--line);margin-bottom:12px}
.overall.verified{background:var(--success-soft);border-color:var(--success-line)}
.overall.conditional{background:var(--warning-soft);border-color:var(--warning-line)}
.overall.incompatible{background:var(--danger-soft);border-color:var(--danger-line)}
.overall.unverified{background:var(--surface-3)}
.overall h4{margin:0 0 4px;font-size:15px}
.overall p{margin:2px 0 0;font-size:12.5px;color:var(--text-2)}
.dsec{margin:14px 0 0}
.dsec h4{margin:0 0 6px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.dsec ul{margin:0;padding:0;list-style:none;font-size:12.5px}
.dsec li{padding:6px 0;border-top:1px solid var(--surface-3)}
.dsec li:first-child{border-top:0}
.cs{display:inline-block;font-size:11px;font-weight:700;padding:0 6px;border-radius:5px;margin-right:4px}
.cs.met{background:var(--success-soft);color:var(--success)}
.cs.unknown{background:var(--warning-soft);color:var(--warning)}
.cs.unmet{background:var(--danger-soft);color:var(--danger)}
.cs.info{background:var(--info-soft);color:var(--info)}
.req{border:1px solid var(--warning-line);background:var(--warning-soft);border-radius:var(--r-sm);padding:8px 10px;margin:6px 0}
.req.ok{border-color:var(--success-line);background:var(--success-soft)}
.req .req-opts{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}

.cat-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);max-width:min(560px,92vw);background:var(--ink);color:#fff;border-radius:var(--r);padding:11px 16px;font-size:13.5px;box-shadow:var(--shadow-3,0 8px 24px rgba(0,0,0,.25));z-index:50}
.cat-toast a{color:#ffd9de}
.cat-dialog{border:1px solid var(--line-strong);border-radius:var(--r-lg);padding:20px;max-width:min(520px,92vw);box-shadow:0 20px 50px rgba(0,0,0,.3)}
.cat-dialog::backdrop{background:rgba(36,33,29,.45)}
.cat-dialog h3{margin:0 0 8px}
.cat-dialog ul{margin:8px 0;padding-left:18px;font-size:13px}
.cat-dialog .row{display:flex;gap:8px;justify-content:flex-end;margin-top:14px}

@media (max-width:1560px){
  .builder-grid{grid-template-columns:minmax(250px,300px) minmax(0,1fr)}
  .builder-grid .bdet{grid-column:1 / -1;position:static;max-height:none}
}
@media (max-width:1100px){
  .cat-shell{grid-template-columns:minmax(0,1fr);padding:12px}
  .cat-nav{position:static;max-height:none}
  .builder-grid{grid-template-columns:minmax(0,1fr)}
  .bsel{position:static;max-height:none}
}
@media (max-width:760px){
  .board{grid-template-columns:1fr;gap:12px}
  .board svg.wires{display:none}
}
@media print{
  .cat-nav,.appbar,.bsel,.no-print,.cat-toast{display:none!important}
  .cat-shell{display:block;padding:0}
  .bdet,.bpanel{position:static;max-height:none;box-shadow:none}
}

/* long names and chips must wrap inside the cards */
.bnode .n-main,.bnode .n-cat{overflow-wrap:anywhere}
.bnode .st{white-space:normal}
.cand .st{white-space:normal}

.l-evlink{border-color:#0f7c8a!important;border-top-style:dashed!important}
.vid-thumb{flex:none;width:120px;align-self:center}
.vid-thumb img{display:block;width:120px;height:68px;object-fit:cover;border-radius:6px;border:1px solid var(--line);background:#111}