/* ChemBioSynth — Shop / Product Archive
   Sidebar filters + polished toolbar + grid.
   Loaded only on shop / product taxonomy archives. */

.shop-page{background:var(--paper)}

/* ---------- Page head ---------- */
.shop-head{
  background:linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 100%);
  border-bottom:1px solid var(--line);
}
.shop-head-inner{max-width:1240px;margin:0 auto;padding:36px 28px 44px}
.shop-breadcrumb{font-size:13px;color:var(--ink-soft);margin-bottom:14px}
.shop-breadcrumb .cbs-breadcrumb a{color:var(--ink-soft);transition:color .2s}
.shop-breadcrumb .cbs-breadcrumb a:hover{color:var(--copper)}
.shop-breadcrumb .shop-breadcrumb-sep{margin:0 8px;color:var(--line)}
.shop-title{
  font-family:var(--serif);font-size:clamp(34px,4vw,52px);
  font-weight:600;letter-spacing:-.02em;line-height:1.05;color:var(--ink);
}
.shop-desc{max-width:640px;margin-top:14px;color:var(--ink-soft);font-size:15px;line-height:1.6}

/* ---------- Mobile filter toggle ---------- */
.shop-filter-toggle{
  display:none;align-items:center;gap:8px;
  padding:11px 18px;border-radius:999px;
  background:var(--ink);color:var(--paper);font-weight:600;font-size:14px;
  margin:18px;
}
.shop-filter-toggle .filter-toggle-count{
  background:var(--copper);color:#fff;border-radius:999px;
  min-width:20px;height:20px;padding:0 6px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;line-height:1;
}

/* ---------- Layout ---------- */
.shop-layout{
  max-width:1240px;margin:0 auto;padding:36px 28px 96px;
  display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start;
}

/* ---------- Sidebar ---------- */
.shop-sidebar{position:sticky;top:96px}
.shop-sidebar-scrim{display:none}
.shop-sidebar-panel{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:8px 22px 22px;
}
.shop-sidebar-head{display:none}

.filter-sidebar-form{display:flex;flex-direction:column}
.filter-group{
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
.filter-group:last-of-type{border-bottom:none}
.filter-group > summary{
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--serif);font-size:16px;font-weight:600;letter-spacing:-.01em;
  color:var(--ink);cursor:pointer;list-style:none;padding:4px 0;
}
.filter-group > summary::-webkit-details-marker{display:none}
.filter-chev{transition:transform .2s ease;color:var(--ink-soft);flex-shrink:0}
.filter-group[open] > summary .filter-chev{transform:rotate(180deg)}
.filter-group > summary:hover{color:var(--copper)}

/* Category list */
.filter-cat-list{list-style:none;padding:0;margin:14px 0 4px;display:flex;flex-direction:column;gap:2px}
.filter-cat-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 12px;border-radius:10px;
  font-size:14px;color:var(--ink-soft);font-weight:500;
  transition:all .15s;
}
.filter-cat-list a:hover{background:var(--paper-warm);color:var(--ink)}
.filter-cat-list a.is-active{background:var(--ink);color:var(--paper)}
.filter-cat-list a.is-active .count{background:rgba(255,255,255,.16);color:var(--paper)}
.filter-cat-list .count{
  font-size:11px;font-weight:700;letter-spacing:.04em;
  background:var(--paper-warm);color:var(--ink-soft);
  padding:3px 8px;border-radius:999px;
}

/* Price */
.filter-price{margin-top:14px}
.filter-price-inputs{display:flex;align-items:end;gap:8px}
.filter-price-field{flex:1;display:flex;flex-direction:column;min-width:0}
.filter-price-field label{
  font-size:11px;font-weight:600;color:var(--ink-soft);
  letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px;
}
.filter-price-field input[type=number]{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-size:14px;font-weight:600;color:var(--ink);
  font-family:inherit;-moz-appearance:textfield;
}
.filter-price-field input[type=number]::-webkit-outer-spin-button,
.filter-price-field input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.filter-price-field input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(26,34,56,.08)}
.filter-price-sep{padding-bottom:10px;color:var(--ink-soft);font-weight:600}
.filter-price-meta{margin-top:10px;font-size:12px;color:var(--ink-soft)}

/* Checklist */
.filter-checklist{list-style:none;padding:0;margin:12px 0 4px;display:flex;flex-direction:column;gap:2px}
.filter-check{
  display:flex;align-items:center;gap:10px;
  padding:8px;border-radius:8px;cursor:pointer;
  font-size:14px;color:var(--ink);transition:background .15s;
  position:relative;
}
.filter-check:hover{background:var(--paper-warm)}
.filter-check input[type=checkbox]{
  position:absolute;opacity:0;width:0;height:0;pointer-events:none;
}
.filter-check-box{
  width:18px;height:18px;border-radius:5px;
  border:1.5px solid var(--line);background:#fff;
  display:grid;place-items:center;flex-shrink:0;
  transition:all .15s;color:transparent;
}
.filter-check input:checked + .filter-check-box{
  background:var(--ink);border-color:var(--ink);color:#fff;
}
.filter-check input:focus-visible + .filter-check-box{box-shadow:0 0 0 3px rgba(26,34,56,.18)}
.filter-check-label{flex:1;font-weight:500}
.filter-check .count{
  font-size:11px;font-weight:700;color:var(--ink-soft);
  background:var(--paper-warm);padding:3px 8px;border-radius:999px;
}

/* Sidebar actions */
.shop-sidebar-actions{
  display:flex;flex-direction:column;gap:8px;
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
}
.shop-sidebar-actions .btn{justify-content:center;padding:13px 18px;font-size:14px;width:100%}
.btn-clear{
  text-align:center;font-size:13px;font-weight:600;color:var(--ink-soft);
  text-decoration:underline;text-underline-offset:3px;padding:6px 0;
  transition:color .2s;
}
.btn-clear:hover{color:var(--critical)}

/* ---------- Main column ---------- */
.shop-main{min-width:0}

/* Toolbar */
.shop-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 20px;margin-bottom:18px;flex-wrap:wrap;
}
.shop-toolbar .woocommerce-result-count{
  margin:0;font-size:13px;color:var(--ink-soft);font-weight:500;
}
.shop-toolbar-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.shop-orderby-label{font-size:12px;font-weight:600;color:var(--ink-soft);letter-spacing:.04em;text-transform:uppercase}
.shop-orderby-wrap{position:relative;display:inline-flex;align-items:center}
.shop-orderby{
  appearance:none;-webkit-appearance:none;-moz-appearance:none;
  padding:9px 36px 9px 14px;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-size:14px;font-weight:600;color:var(--ink);
  font-family:inherit;cursor:pointer;line-height:1.2;
}
.shop-orderby:focus{outline:none;border-color:var(--ink)}
.shop-orderby-chev{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  pointer-events:none;color:var(--ink-soft);
}

/* Active chips */
.shop-active-chips{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px;
}
.shop-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px 7px 14px;border-radius:999px;
  background:var(--ink);color:var(--paper);
  font-size:12px;font-weight:600;letter-spacing:.01em;
  transition:all .2s;line-height:1;
}
.shop-chip:hover{background:var(--copper);color:var(--paper)}
.shop-chip svg{opacity:.8}
.shop-chip-clear{
  font-size:12px;font-weight:600;color:var(--critical);
  text-decoration:underline;text-underline-offset:3px;
  padding:7px 8px;line-height:1;
}
.shop-chip-clear:hover{color:var(--copper)}

/* Product grid override — 3 columns on shop archive (sidebar takes width) */
.shop-grid{grid-template-columns:repeat(3,1fr);gap:20px}

/* Pagination */
.shop-pagination{
  display:flex;justify-content:center;gap:6px;flex-wrap:wrap;margin-top:48px;
}
.shop-pagination .page-numbers{
  display:inline-grid;place-items:center;
  min-width:42px;height:42px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-weight:600;font-size:14px;color:var(--ink);
  transition:all .15s;
}
.shop-pagination .page-numbers:hover,
.shop-pagination .page-numbers.current{
  background:var(--ink);color:var(--paper);border-color:var(--ink);
}
.shop-pagination .page-numbers.dots{border:none;background:transparent;color:var(--ink-soft)}
.shop-pagination .page-numbers svg{display:block}

/* Empty state */
.shop-empty{
  background:#fff;border:1px dashed var(--line);border-radius:18px;
  padding:64px 28px;text-align:center;
}
.shop-empty svg{color:var(--ink-soft);margin-bottom:14px}
.shop-empty h3{font-family:var(--serif);font-size:24px;font-weight:600;margin-bottom:8px}
.shop-empty p{color:var(--ink-soft);font-size:14px;margin-bottom:22px}
.shop-empty .btn{display:inline-flex;align-items:center;gap:8px}

.shop-page .woocommerce-notices-wrapper{margin-top:0;padding:0 0 18px}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .shop-layout{grid-template-columns:220px 1fr;gap:24px;padding:28px 18px 80px}
  .shop-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:780px){
  .shop-head-inner{padding:28px 18px 32px}
  .shop-filter-toggle{display:inline-flex}
  .shop-layout{
    grid-template-columns:1fr;padding:0 18px 80px;gap:0;
  }

  /* Sidebar becomes a drawer */
  .shop-sidebar{
    position:fixed;top:0;left:0;
    width:100%;height:100%;z-index:130;
    visibility:hidden;pointer-events:none;
  }
  .shop-sidebar.open{visibility:visible;pointer-events:auto}
  .shop-sidebar-scrim{
    display:block;position:absolute;inset:0;
    background:rgba(26,34,56,.45);opacity:0;transition:opacity .25s;
  }
  .shop-sidebar.open .shop-sidebar-scrim{opacity:1}
  .shop-sidebar-panel{
    position:absolute;top:0;left:0;bottom:0;
    width:min(360px, 90vw);
    border-radius:0;border:none;
    background:var(--paper);
    padding:14px 22px 22px;
    overflow-y:auto;
    transform:translateX(-100%);transition:transform .28s cubic-bezier(.2,.8,.2,1);
    box-shadow:8px 0 32px -12px rgba(0,0,0,.25);
  }
  .shop-sidebar.open .shop-sidebar-panel{transform:translateX(0)}
  .shop-sidebar-head{
    display:flex;align-items:center;justify-content:space-between;
    padding:6px 0 14px;margin-bottom:6px;border-bottom:1px solid var(--line);
  }
  .shop-sidebar-head h2{font-family:var(--serif);font-size:22px;font-weight:600;letter-spacing:-.01em}
  .shop-sidebar-close{
    width:36px;height:36px;border-radius:50%;
    border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);
  }
  .shop-toolbar{padding:12px 14px;gap:10px}
  body.shop-filters-open{overflow:hidden}
}

@media(max-width:560px){
  .shop-grid{grid-template-columns:1fr}
  .shop-toolbar{flex-direction:column;align-items:stretch}
  .shop-toolbar-right{justify-content:space-between}
  .shop-orderby{flex:1}
}