/* ============================================================
   ATAVAL — Product selection system (catalog + detail)
   Loaded only by /urunler/katalog/ and /urunler/detay/.
   Uses tokens from style.css.
   ============================================================ */

/* ---------- Guided quick-select wizard ---------- */
.selector{
  background: var(--brand-deep);
  color: var(--paper);
  padding: 28px 0;
}
.selector .wrap{ display: flex; align-items: end; gap: 18px; flex-wrap: wrap; }
.selector .lead{ flex: 1 1 100%; margin-bottom: 4px; display:flex; align-items:center; gap:12px; }
.selector .lead .overline{ color: var(--accent-surface); }
.selector .lead p{ font-size: 14px; color: rgba(248,247,241,0.82); margin:0; }
.selector .field{ display: flex; flex-direction: column; gap: 7px; min-width: 168px; flex: 1 1 168px; }
.selector .field label{
  font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent-surface);
}
.selector select{
  appearance: none; -webkit-appearance:none;
  background: var(--paper) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%232e4a6b'/></svg>") no-repeat right 14px center;
  border: 1px solid var(--brand); color: var(--ink); font-family: inherit; font-size: 14px;
  padding: 12px 34px 12px 13px; border-radius: 0; cursor: pointer; width: 100%;
}
.selector .btn{ flex: 0 0 auto; }

/* ---------- Catalog layout ---------- */
.catalog{ padding: 40px 0 96px 0; background: var(--cream); }
.catalog .layout{ display: grid; grid-template-columns: 264px 1fr; gap: 44px; align-items: start; }

/* sidebar filters */
.filters-panel{ position: sticky; top: 18px; max-height: calc(100vh - 36px); overflow-y: scroll; overscroll-behavior: contain; padding-right: 10px; scrollbar-width: thin; scrollbar-color: var(--ink-muted) var(--ice); }
.filters-panel::-webkit-scrollbar{ width: 8px; }
.filters-panel::-webkit-scrollbar-track{ background: var(--ice); }
.filters-panel::-webkit-scrollbar-thumb{ background: var(--ink-muted); border-radius: 4px; }
.filters-panel::-webkit-scrollbar-thumb:hover{ background: var(--ink-soft); }
.filters-panel .panel-head{
  display:flex; justify-content:space-between; align-items:baseline;
  padding-bottom: 12px; margin-bottom: 8px; border-bottom: 1px solid var(--rule);
}
.filters-panel .panel-head h2{ font-size: 15px; letter-spacing: 0; text-transform: uppercase; font-family:"IBM Plex Mono",monospace; }
.filters-panel .clear-all{
  font-family:"IBM Plex Mono",monospace; font-size: 10px; letter-spacing:0.12em; text-transform:uppercase;
  color: var(--accent); cursor: pointer; border-bottom:1px solid transparent;
}
.filters-panel .clear-all:hover{ border-bottom-color: var(--accent); }
.facet-search{ position: relative; display: flex; align-items: center; margin-bottom: 4px; }
.facet-search .ico{ position: absolute; left: 12px; width: 16px; height: 16px; color: var(--ink-muted); pointer-events: none; }
.facet-search input{
  width: 100%; box-sizing: border-box; height: 40px; padding: 0 34px 0 36px;
  border: 1px solid var(--rule); border-radius:0; background: var(--paper);
  font: 400 14px "IBM Plex Sans", sans-serif; color: var(--ink);
}
.facet-search input::placeholder{ color: var(--ink-muted); }
.facet-search input:focus{ outline: none; border-color: var(--brand); }
.facet-search input::-webkit-search-cancel-button{ -webkit-appearance: none; }
.facet-search .clear-s{
  position: absolute; right: 6px; width: 26px; height: 26px; border: none; background: none;
  color: var(--ink-muted); font-size: 18px; line-height: 1; cursor: pointer; border-radius:0;
}
.facet-search .clear-s:hover{ background: var(--ice-deep); color: var(--ink); }
.facet-search .clear-s[hidden]{ display: none; }
.facet{ border-bottom: 1px solid var(--rule); padding: 16px 0; }
.facet > summary{
  font-family:"IBM Plex Mono",monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink); display:flex; align-items:center; gap:8px; cursor:pointer;
  list-style:none; user-select:none;
}
.facet > summary::-webkit-details-marker{ display:none; }
.facet > summary .f-label{ flex:1; }
.facet > summary .sel-n{
  font-family:"IBM Plex Mono",monospace; font-size:10px; line-height:1;
  background: var(--accent); color: var(--paper); padding:3px 7px; border-radius:999px;
}
.facet > summary .chev{ width:10px; height:6px; flex:0 0 auto; color: var(--ink-muted); transition: transform .18s ease; }
.facet[open] > summary .chev{ transform: rotate(180deg); }
.facet[open] > summary{ margin-bottom: 12px; }
.facet ul{ list-style: none; display:flex; flex-direction:column; gap: 9px; }
.facet li{ display:flex; }
.facet label{
  display:flex; align-items:center; gap:9px; font-size: 14px; color: var(--ink-soft);
  cursor:pointer; width:100%; user-select:none;
}
.facet label:hover{ color: var(--ink); }
.facet input[type=checkbox]{
  appearance:none;-webkit-appearance:none; width:15px;height:15px; border:1px solid var(--ice-deep);
  background: var(--paper); cursor:pointer; flex:0 0 auto; position:relative; border-radius:0;
}
.facet input[type=checkbox]:checked{ background: var(--accent); border-color: var(--accent); }
.facet input[type=checkbox]:checked::after{
  content:""; position:absolute; left:4px; top:1px; width:4px; height:8px;
  border:solid var(--paper); border-width:0 2px 2px 0; transform:rotate(45deg);
}
.facet .cnt{ margin-left:auto; font-family:"IBM Plex Mono",monospace; font-size:11px; color: var(--ink-muted); }
.facet label.disabled{ opacity:0.4; pointer-events:none; }

/* results column */
.results .toolbar{
  display:flex; justify-content:space-between; align-items:center; gap:18px;
  padding-bottom:16px; margin-bottom:16px; border-bottom:1px solid var(--rule); flex-wrap:wrap;
}
.results .toolbar .count{ font-family:"IBM Plex Mono",monospace; font-size:12px; letter-spacing:0.08em; color: var(--ink); }
.results .toolbar .count b{ color: var(--accent); }
.results .toolbar .right{ display:flex; align-items:center; gap:14px; }
.results .toolbar label.sort{ font-family:"IBM Plex Mono",monospace; font-size:10px; letter-spacing:0.14em; text-transform:uppercase; color:var(--ink-muted); }
.results .toolbar select{
  appearance:none;-webkit-appearance:none; border:1px solid var(--rule); background:var(--paper);
  font-family:inherit; font-size:13px; padding:8px 30px 8px 12px; cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%232e4a6b'/></svg>"); background-repeat:no-repeat; background-position:right 12px center;
}
.view-toggle{ display:flex; border:1px solid var(--rule); }
.view-toggle button{ background:var(--paper); border:0; padding:8px 11px; cursor:pointer; color:var(--ink-muted); display:flex; }
.view-toggle button.active{ background:var(--brand); color:var(--paper); }
.view-toggle button svg{ width:15px; height:15px; display:block; }
.view-toggle button + button{ border-left:1px solid var(--rule); }

/* mobile filter trigger */
.filter-trigger{ display:none; }

/* active filter chips */
.chips{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:20px; align-items:center; }
.chips:empty{ display:none; }
.chip{
  display:inline-flex; align-items:center; gap:7px; font-family:"IBM Plex Mono",monospace;
  font-size:11px; letter-spacing:0.04em; background:var(--accent-soft); color:var(--accent-deep);
  border:1px solid rgba(139,46,26,0.25); padding:6px 10px; cursor:pointer;
}
.chip .x{ font-weight:600; }
.chip:hover{ background: var(--accent); color: var(--paper); border-color:var(--accent); }
.chips .chip-group{ font-family:"IBM Plex Mono",monospace; font-size:10px; color:var(--ink-muted); text-transform:uppercase; letter-spacing:0.12em; }

/* product grid + cards */
.product-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(min(248px,100%),1fr)); gap:20px; }
.product-card{
  background:var(--paper); border:1px solid var(--rule); display:flex; flex-direction:column;
  transition: border-color .12s, box-shadow .12s; min-width:0;
}
.product-card:hover{ border-color: var(--ice-deep); box-shadow: 0 6px 22px rgba(31,53,80,0.08); }
.product-card .thumb{
  aspect-ratio: 4/3; background: var(--ice); display:flex; align-items:center; justify-content:center;
  position:relative; border-bottom:1px solid var(--rule); overflow:hidden;
}
.product-card .thumb img{
  width:100%; height:100%; object-fit:contain; padding:14px; background:#fff;
}
.product-card.has-image .thumb{ background:#fff; }
.product-card .thumb .ph{ display:flex; flex-direction:column; align-items:center; gap:10px; color: var(--steel); }
.product-card .thumb .ph svg{ width:54px; height:54px; opacity:0.55; }
.product-card .thumb .ph span{ font-family:"IBM Plex Mono",monospace; font-size:10px; letter-spacing:0.14em; text-transform:uppercase; }
.product-card .thumb .tag{
  position:absolute; top:10px; left:10px; font-family:"IBM Plex Mono",monospace; font-size:9px;
  letter-spacing:0.12em; text-transform:uppercase; background:var(--brand); color:var(--paper); padding:4px 8px;
}
.product-card .body{ padding:16px 16px 18px; display:flex; flex-direction:column; gap:11px; flex:1; }
.product-card .sku{ font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.05em; color:var(--accent); }
.product-card h3{ font-size:16px; font-weight:600; line-height:1.25; color:var(--ink); }
.product-card .specs{ display:flex; flex-wrap:wrap; gap:6px; margin-top:auto; }
.product-card .specs .s{
  font-family:"IBM Plex Mono",monospace; font-size:10.5px; letter-spacing:0.02em; color:var(--ink-soft);
  background:var(--cream); border:1px solid var(--rule); padding:4px 8px; white-space:nowrap;
}
.product-card .specs .s b{ color:var(--ink); font-weight:600; }
.product-card .variant-hint{
  align-self:flex-start; font-family:"IBM Plex Mono",monospace; font-size:10px; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--brand); border:1px solid var(--brand); padding:4px 8px;
}
.product-card .foot{ display:flex; justify-content:space-between; align-items:center; padding:12px 16px; border-top:1px solid var(--rule); }
.product-card .foot a{ font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.12em; text-transform:uppercase; color:var(--brand); border-bottom:1px solid var(--brand); padding-bottom:2px; }
.product-card .foot a:hover{ color:var(--accent); border-bottom-color:var(--accent); }
.product-card .foot .ds{ color:var(--ink-muted); border:0; }
.product-card .foot .ds:hover{ color:var(--accent); }

/* table view */
.product-table{ width:100%; border-collapse:collapse; border-top:1px solid var(--rule); display:none; }
.product-table.on{ display:table; }
.product-grid.off{ display:none; }
.product-table thead th{ font-family:"IBM Plex Mono",monospace; font-size:10px; letter-spacing:0.16em; text-transform:uppercase; color:var(--accent); text-align:left; font-weight:500; padding:14px 12px; border-bottom:1px solid var(--rule); background:var(--paper); white-space:nowrap; }
.product-table tbody td{ padding:15px 12px; border-bottom:1px solid var(--rule); font-size:13.5px; vertical-align:middle; }
.product-table tbody td.sku{ font-family:"IBM Plex Mono",monospace; color:var(--accent); font-weight:500; }
.product-table tbody tr:hover td{ background:var(--accent-soft); }
.product-table a.detail{ font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.12em; text-transform:uppercase; color:var(--brand); border-bottom:1px solid var(--brand); padding-bottom:2px; }

/* empty state */
.empty{ text-align:center; padding:72px 20px; border:1px dashed var(--ice-deep); }
.empty h3{ margin-bottom:10px; }
.empty p{ color:var(--ink-muted); margin-bottom:20px; }

/* ---------- Product detail (PDP) ---------- */
.pdp{ padding:48px 0 80px; background:var(--cream); }
.pdp .top{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap:48px; align-items:start; }
.pdp .gallery{ background:var(--ice); border:1px solid var(--rule); aspect-ratio:4/3; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.pdp .gallery.has-image{ background:#fff; }
.pdp .gallery img{ width:100%; height:100%; object-fit:contain; padding:20px; }
.pdp .gallery .ph{ display:flex; flex-direction:column; align-items:center; gap:12px; color:var(--steel); }
.pdp .gallery .ph svg{ width:84px; height:84px; opacity:0.5; }
.pdp .gallery .ph span{ font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.14em; text-transform:uppercase; }
.pdp .info .cat{ font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.14em; text-transform:uppercase; color:var(--accent); }
.pdp .info h1{ font-size: clamp(26px,3vw,34px); margin:10px 0 6px; }
.pdp .info .sku{ font-family:"IBM Plex Mono",monospace; font-size:13px; color:var(--ink-muted); margin-bottom:22px; }
.pdp .badges{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:24px; }
.pdp .badges .b{ font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.04em; background:var(--paper); border:1px solid var(--rule); padding:8px 12px; }
.pdp .badges .b b{ color:var(--brand); }
.pdp .variant-block{
  background:var(--paper); border:1px solid var(--rule); padding:18px 18px 16px;
  margin: 4px 0 22px; display:flex; flex-direction:column; gap:12px;
}
.pdp .variant-block h2{
  font-size:11px; font-family:"IBM Plex Mono",monospace; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--accent); margin:0;
}
.pdp .variant-controls{ display:flex; gap:14px; flex-wrap:wrap; }
.pdp .variant-controls .vc{ flex:1 1 200px; display:flex; flex-direction:column; gap:6px; }
.pdp .variant-controls .vc span{
  font-family:"IBM Plex Mono",monospace; font-size:10.5px; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--ink-muted);
}
.pdp .variant-controls .vc select{
  font:inherit; font-size:14px; padding:10px 12px; border:1px solid var(--rule);
  background:var(--paper); color:var(--ink); border-radius:0; min-width:140px;
}
.pdp .variant-controls .vc select:focus{ outline:none; border-color:var(--brand); }
.pdp .vc-note{ font-size:12.5px; color:var(--ink-muted); margin:0; }
.pdp .vc-note a{ color:var(--accent); border-bottom:1px solid var(--accent); }
.pdp .actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:8px; }
.pdp .actions .btn.is-open{ background:var(--accent-deep); border-color:var(--accent-deep); }
.pdp .add-row{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin-top:16px;
  padding:16px; background:var(--cream); border:1px solid var(--rule,#e4e2da); border-radius:0; }
.pdp .add-row[hidden]{ display:none; }
.pdp .add-qty{ display:flex; flex-direction:row; align-items:center; gap:10px; }
.pdp .add-qty > span{ font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--ink-muted); }
.pdp .add-row .qty{ display:inline-flex; align-items:center; border:1px solid var(--rule,#cfd3da);
  border-radius:0; overflow:hidden; background:var(--paper); }
.pdp .add-row .qty button{ width:36px; height:40px; border:none; background:var(--ice); color:var(--ink);
  font-size:18px; cursor:pointer; line-height:1; }
.pdp .add-row .qty button:hover{ background:var(--ice-deep); }
.pdp .add-row .qty input{ width:54px; height:40px; border:none; border-left:1px solid var(--rule,#cfd3da);
  border-right:1px solid var(--rule,#cfd3da); text-align:center; font:500 15px "IBM Plex Mono",monospace;
  color:var(--ink); background:var(--paper); -moz-appearance:textfield; }
.pdp .add-row .qty input::-webkit-outer-spin-button,
.pdp .add-row .qty input::-webkit-inner-spin-button{ -webkit-appearance:none; margin:0; }
.pdp .add-row #add-confirm{ height:40px; padding-top:0; padding-bottom:0;
  display:inline-flex; align-items:center; justify-content:center; }
.pdp .note{ font-size:13px; color:var(--ink-muted); margin-top:14px; }
.pdp .specs-block{ margin-top:56px; }
.pdp .specs-block h2{ font-size:20px; margin-bottom:18px; padding-bottom:12px; border-bottom:2px solid var(--accent); display:inline-block; }
.spec-table{ width:100%; border-collapse:collapse; }
.spec-table tr{ border-bottom:1px solid var(--rule); }
.spec-table th{ text-align:left; font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink-muted); font-weight:500; padding:13px 16px 13px 0; width:38%; vertical-align:top; }
.spec-table td{ padding:13px 0; font-size:15px; color:var(--ink); }
.pdp .twocol{ display:grid; grid-template-columns:1fr 1fr; gap:48px; }
.pdp .applist{ list-style:none; display:flex; flex-direction:column; gap:8px; }
.pdp .applist li{ font-size:14px; color:var(--ink-soft); padding-left:18px; position:relative; }
.pdp .applist li::before{ content:""; position:absolute; left:0; top:9px; width:6px; height:6px; background:var(--accent); }
/* ---------- PDP tabs (product info / technical / documents) ---------- */
.pdp-tabs{ margin-top:56px; }
.pdp .tablist{ display:flex; gap:2px; border-bottom:1px solid var(--rule); flex-wrap:wrap; }
.pdp-tab{ appearance:none; background:none; border:0; border-bottom:2px solid transparent;
  padding:14px 20px; margin-bottom:-1px; font-family:"IBM Plex Sans",sans-serif; font-size:13px;
  font-weight:600; letter-spacing:0.02em; color:var(--ink-muted); cursor:pointer; white-space:nowrap; }
.pdp-tab:hover{ color:var(--ink); }
.pdp-tab[aria-selected="true"]{ color:var(--brand); border-bottom-color:var(--accent); }
.pdp-panel{ padding-top:30px; }
.pdp-panel[hidden]{ display:none; }
.pdp-panel .prose p{ font-size:15.5px; color:var(--ink-soft); margin-bottom:14px; max-width:760px; }
.pdp-panel .prose p:last-child{ margin-bottom:0; }
.pdp .tab-h{ font-size:14px; font-weight:600; margin:30px 0 14px; padding-bottom:8px;
  border-bottom:2px solid var(--accent); display:inline-block; }
.pdp-panel > .spec-table + .tab-sub .tab-h{ margin-top:30px; }
.pdp .tab-sub:first-child .tab-h, #panel-docs > .tab-h:first-child, #panel-certs > .tab-h:first-child{ margin-top:0; }
.cert-badges{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:6px; }
.cert-badge{ font-family:"IBM Plex Mono",monospace; font-size:11px; font-weight:500; letter-spacing:0.04em;
  color:var(--brand); background:var(--ice); border:1px solid var(--rule); padding:6px 11px; }
#panel-certs .cert-badges + .tab-h{ margin-top:26px; }
.docs-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:12px; }
.doc-card{ display:flex; align-items:center; gap:12px; padding:14px 16px; background:var(--paper);
  border:1px solid var(--rule); transition:border-color .15s, background .15s; }
.doc-card:hover{ border-color:var(--accent); background:#fff; }
.doc-ic{ font-family:"IBM Plex Mono",monospace; font-size:10px; font-weight:600; letter-spacing:0.06em;
  color:var(--paper); background:var(--accent); padding:5px 7px; flex-shrink:0; }
.doc-tx{ font-size:13.5px; color:var(--ink); line-height:1.35; }
.docs-more{ font-size:12.5px; color:var(--ink-muted); margin-top:12px; }
.steplist{ list-style:none; counter-reset:step; display:flex; flex-direction:column; gap:10px; }
.steplist li{ counter-increment:step; position:relative; padding-left:36px; font-size:14px; color:var(--ink-soft); line-height:1.5; }
.steplist li::before{ content:counter(step); position:absolute; left:0; top:1px; width:24px; height:24px;
  background:var(--brand); color:var(--paper); font-family:"IBM Plex Mono",monospace; font-size:11px;
  display:flex; align-items:center; justify-content:center; }

.similar{ padding:56px 0 80px; background:var(--paper); border-top:1px solid var(--rule); }
.similar h2{ font-size:20px; margin-bottom:24px; }

/* ---------- responsive ---------- */
@media (max-width: 920px){
  .catalog .layout{ grid-template-columns: 1fr; gap:0; }
  .filters-panel{
    position:fixed; inset:0; z-index:60; background:var(--paper); padding:24px; overflow:auto;
    transform:translateX(-100%); transition:transform .2s; box-shadow: 0 0 40px rgba(0,0,0,0.2);
    max-width:340px; max-height:none;
  }
  .filters-panel.open{ transform:translateX(0); }
  .filter-trigger{
    display:inline-flex; align-items:center; gap:8px; font-family:"IBM Plex Mono",monospace; font-size:11px;
    letter-spacing:0.12em; text-transform:uppercase; background:var(--brand); color:var(--paper);
    border:0; padding:11px 16px; cursor:pointer; margin-bottom:16px;
  }
  .filters-panel .panel-head .close-f{ display:block; cursor:pointer; font-size:20px; color:var(--ink-muted); }
  .pdp .top{ grid-template-columns:1fr; gap:28px; }
  .pdp .twocol{ grid-template-columns:1fr; gap:32px; }
  .pdp .tablist{ flex-wrap:nowrap; overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .pdp-tab{ padding:13px 14px; }
}
@media (min-width: 921px){
  .filters-panel .panel-head .close-f{ display:none; }
}