/* BM Universal Product Filter - Optimized Mobile-Friendly Layout (v1.4.8) */
:root {
  --upf-primary: #111;
  --upf-border: #e0e0e0;
  --upf-radius: 8px;
  --upf-accent: #f9f9f9;
}

.bm-upf {
  background: #fff;
  border-radius: var(--upf-radius);
  padding: 18px;
  border: 1px solid var(--upf-border);
  overflow: visible;
}

/* Layout for Top Fields */
.bm-upf__top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

/* SEARCH takes full width */
.bm-upf__field:first-child {
  grid-column: span 2;
}

.bm-upf__field label{
  display:block;
  font-weight:600;
  font-size:13px;
  margin-bottom:6px;
}

.bm-upf__top input,
.bm-upf__top select{
  width:100%;
  border:1px solid var(--upf-border);
  border-radius: var(--upf-radius);
  padding: 10px 12px;
  font-size:14px;
  background:#fff;
}

.bm-upf__top input:focus,
.bm-upf__top select:focus{
  outline:none;
  border-color: rgba(0,0,0,.35);
}

/* Toggle checkboxes */
.bm-upf__check{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border:1px solid var(--upf-border);
  border-radius:999px;
  background:#fff;
}
.bm-upf__check input{ accent-color: var(--upf-primary); }

/* Attribute Groups Grid */
.bm-upf__groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.bm-upf details.bm-upf__group {
  border: 1px solid var(--upf-border);
  border-radius: 6px;
  background:#fff;
  overflow:hidden;
}

.bm-upf .bm-upf__groupTitle {
  list-style:none;
  padding: 10px 12px;
  font-size: 14px;
  cursor: pointer;
  background: var(--upf-accent);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-weight:600;
}
.bm-upf .bm-upf__groupTitle::-webkit-details-marker{display:none;}
.bm-upf .bm-upf__groupTitle::after{ content:"▾"; opacity:.7; font-size:12px; }
.bm-upf details[open] .bm-upf__groupTitle::after{ content:"▴"; }

/* Option List Styling */
.bm-upf__groupBody {
  max-height: 200px;
  overflow:auto;
  padding: 10px 12px !important;
  font-size: 13px;
  background:#fff;
}

.bm-upf .bm-upf__opt {
  display:flex;
  align-items:center;
  gap:10px;
  padding: 7px 0 !important;
  border-bottom: 1px solid #f1f1f1 !important;
  margin:0 !important;
}
.bm-upf .bm-upf__opt:last-child{ border-bottom:none !important; }
.bm-upf .bm-upf__opt input{ width:18px; height:18px; accent-color: var(--upf-primary); }

/* Chips */
.bm-upf__chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin: 0 0 10px;
}
.bm-upf__chip{
  background:var(--upf-primary);
  color:#fff;
  border:none;
  padding:6px 12px;
  border-radius:999px;
  font-size:12px;
  cursor:pointer;
}
.bm-upf__chip:hover{ opacity:.9; }

/* Actions */
.bm-upf__actions{
  display:flex;
  gap:10px;
  margin-top:10px;
}
.bm-upf__btn{
  padding:10px 12px;
  border-radius: var(--upf-radius);
  border:1px solid var(--upf-border);
  background:#fff;
  cursor:pointer;
}
.bm-upf__btn:hover{ background:#f6f6f6; }
.bm-upf__btn--primary{ font-weight:700; border-color:rgba(0,0,0,.18); }

/* Loading */
.bm-upf--loading{ opacity:.7; pointer-events:none; }
.bm-upf__status{ font-size:12px; opacity:.75; margin-top:8px; }

/* Responsive Overrides */
@media (max-width: 600px) {
  .bm-upf{ padding:14px; }
  .bm-upf__top { grid-template-columns: 1fr; }
  .bm-upf__field:first-child { grid-column: span 1; }
  .bm-upf__groups { grid-template-columns: 1fr 1fr; }
  .bm-upf__actions{ flex-direction:column; }
}


/* v1.5.1: Compact price inputs */
.bm-upf__top input[type="number"]{
  padding: 8px 10px;
}

/* Brand inner search */
.bm-upf__inner-search{
  margin-bottom:10px;
  position: sticky;
  top: 0;
  background:#fff;
  z-index: 5;
  padding-bottom:6px;
}
.bm-upf__filter-search{
  width:100%;
  padding:8px 10px !important;
  font-size:13px !important;
  border:1px solid var(--upf-border) !important;
  border-radius:6px !important;
}

/* Colour swatches (name + swatch) */
.bm-upf__groupBody--swatch .bm-upf__opt{
  display:flex;
  align-items:center;
  gap:10px;
}
.bm-upf__swatch{
  width:16px;
  height:16px;
  border-radius:999px;
  background: var(--swatch-color, #ccc);
  border:1px solid rgba(0,0,0,.12);
  flex: 0 0 16px;
}
.bm-upf__groupBody--swatch .bm-upf__label-text{
  display:inline;
}

/* Make min/max columns tighter in narrow sidebars */
@media (max-width: 600px){
  .bm-upf__top{
    gap:10px;
  }
}