.bc-app{--bc-blue:#337fba;--bc-green:#80b840;--bc-text:#293746;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--bc-text);max-width:1160px;margin:auto;padding:12px}.bc-app *{box-sizing:border-box}.bc-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:12px 0 22px}.bc-logo{width:200px;max-height:85px;object-fit:contain;object-position:left}.bc-tagline{font-size:14px;color:#667787}.bc-hero{border-radius:26px;background:linear-gradient(130deg,#eaf5fd,#f3f9ed);padding:clamp(22px,5vw,55px);text-align:center}.bc-hero h1{font-size:clamp(25px,4vw,42px);line-height:1.15;margin:0 0 12px}.bc-hero p{margin:0 auto 25px;max-width:580px}.bc-search-label{display:block;text-align:left;max-width:640px;margin:0 auto 8px;font-weight:650}.bc-hero input{display:block;width:100%;max-width:640px;margin:auto;border:2px solid #d6e5ed;border-radius:15px;padding:16px;font-size:17px;background:white;color:#293746}.bc-hero input:focus{outline:3px solid #b9d9f0;border-color:var(--bc-blue)}#bc-status{padding:22px 0 12px;color:#667787}.bc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:16px}.bc-card{background:white;border:1px solid #e4eaf0;border-radius:18px;overflow:hidden;box-shadow:0 5px 22px #18324b0a;display:flex;flex-direction:column}.bc-photo{aspect-ratio:4/3;background:#f8fafc;display:grid;place-items:center;color:#8193a2}.bc-photo img{width:100%;height:100%;object-fit:contain;padding:12px}.bc-card-body{padding:16px;display:flex;flex-direction:column;flex:1}.bc-card small{color:#657989}.bc-card h3{font-size:16px;line-height:1.35;margin:7px 0;flex:1}.bc-price{font-size:17px;font-weight:750;color:#387c27}.bc-actions{display:flex;gap:8px}.bc-app button,.bc-app .bc-offer a{border:0;border-radius:10px;padding:10px 12px;font-weight:700;cursor:pointer;font-size:13px;text-align:center;text-decoration:none}.bc-outline{background:#eef6fc!important;color:#246b9f!important;border:1px solid #cce3f4!important}.bc-green,.bc-offer a{background:#4c8424!important;color:white!important}.bc-app button:focus-visible,.bc-app a:focus-visible{outline:3px solid #337fba;outline-offset:2px}.bc-panel{margin-top:24px;border:1px solid #dce7ee;border-radius:20px;padding:20px;background:white}.bc-panel-head{display:flex;align-items:center;justify-content:space-between;gap:15px}.bc-panel-head h2{font-size:22px;margin:0}.bc-offer{display:flex;align-items:center;gap:12px;justify-content:space-between;border-top:1px solid #e9edf0;padding:15px 0}.bc-offer small{display:block;color:#6c7b86}.bc-tray{position:sticky;bottom:12px;z-index:10;background:#293746;color:white;border-radius:15px;box-shadow:0 8px 30px #0003;padding:12px 16px;margin-top:18px;display:flex;gap:12px;align-items:center;justify-content:center}.bc-tray[hidden],.bc-panel[hidden]{display:none}.bc-tray button{background:#337fba;color:white}.bc-tray button:disabled{opacity:.5;cursor:not-allowed}.bc-compare-row{display:grid;grid-template-columns:130px 1fr 1fr;gap:12px;padding:12px 0;border-bottom:1px solid #e5e9ed;overflow-wrap:anywhere}.bc-compare-row strong{text-transform:capitalize}.bc-disclosure{font-size:12px;color:#6a7986;margin-top:30px}@media(max-width:620px){.bc-tagline{display:none}.bc-logo{width:160px}.bc-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.bc-card-body{padding:10px}.bc-card h3{font-size:13px}.bc-actions{flex-direction:column}.bc-compare-row{grid-template-columns:85px 1fr 1fr;font-size:12px}.bc-offer{flex-wrap:wrap}.bc-tray{flex-wrap:wrap}}

/* v0.2 app polish */
.bc-hero{padding:clamp(20px,3vw,38px);border:1px solid #e1edf4}.bc-hero h1{font-size:clamp(24px,3.2vw,36px)}.bc-hero p{margin-bottom:17px}.bc-quick{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0 4px}.bc-quick button{background:#f0f7fc;color:#246b9f;border:1px solid #d9e9f4;border-radius:999px;padding:9px 15px}.bc-card{transition:transform .16s ease,box-shadow .16s ease}.bc-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px #18324b18}.bc-retailer{display:flex;align-items:center;gap:12px;min-width:150px}.bc-retailer-logo{width:88px;height:44px;object-fit:contain;background:white;border:1px solid #e7edf0;border-radius:9px;padding:5px}.bc-lowest{color:#367c2a!important;font-weight:700}.bc-offer{gap:14px}.bc-offer a{white-space:nowrap}.bc-app .bc-card img{content-visibility:auto}@media(max-width:620px){.bc-retailer-logo{width:65px;height:38px}.bc-offer{align-items:flex-start}.bc-quick{gap:6px}.bc-quick button{font-size:12px;padding:7px 10px}}
/* v0.3 server-side faceted search and responsive filter drawer */
.bc-filter-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:18px 0 0;flex-wrap:wrap}.bc-filter-toolbar label{font-size:13px;font-weight:650}.bc-filter-toolbar select,.bc-filters select,.bc-filters input[type=number]{display:block;width:100%;border:1px solid #cadce7;border-radius:10px;background:#fff;color:#293746;padding:10px;margin-top:5px;font:inherit}.bc-filter-toolbar select{display:inline-block;width:auto;margin-left:7px}.bc-filters{margin:14px 0 0;padding:20px;border:1px solid #d9e7ef;background:#f8fbfd;border-radius:18px}.bc-filters[hidden]{display:none}.bc-filter-head,.bc-filter-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.bc-filter-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:16px 0}.bc-filter-fields label{font-weight:650;font-size:13px}.bc-stock-label{display:flex;align-items:center;gap:8px}.bc-stock-label input{width:18px;height:18px}.bc-filters small{display:block;margin-top:12px;color:#687b89}.bc-pagination{display:flex;justify-content:center;align-items:center;gap:15px;margin:22px 0}.bc-pagination button[hidden]{display:none}@media(max-width:700px){.bc-filter-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.bc-filter-toolbar{align-items:stretch}.bc-filter-toolbar label{flex:1}.bc-filter-toolbar select{width:100%;margin:5px 0 0}}@media(max-width:440px){.bc-filter-fields{grid-template-columns:1fr}}

/* v0.3.1: comparison purchase actions */
.bc-compare-buy-row{align-items:start;border-bottom:0}.bc-buy-cell{display:flex;flex-direction:column;align-items:flex-start;gap:7px;min-width:0;padding:5px 0}.bc-buy-retailer{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-weight:700}.bc-buy-retailer img{max-width:72px;height:36px;object-fit:contain}.bc-buy-price{font-size:19px;color:#367c2a}.bc-buy-cell small,.bc-unavailable{color:#667787;font-size:12px}.bc-app .bc-buy-link{display:inline-block;background:#4c8424;color:#fff;text-decoration:none;border-radius:10px;padding:11px 17px;font-weight:750;text-align:center;max-width:100%;width:100%}.bc-app .bc-buy-link:focus-visible{outline:3px solid #337fba;outline-offset:2px}.bc-app .bc-all-offers{width:100%}.bc-compare-note{font-size:12px;color:#687b89;margin:12px 0 0}@media(max-width:620px){.bc-buy-price{font-size:16px}.bc-app .bc-buy-link{padding:10px 6px;font-size:12px}.bc-buy-retailer img{max-width:52px;height:30px}}

/* v0.3.2: align completed comparison panel below sticky site headers */
#bc-panel{scroll-margin-top:110px}
@media(max-width:640px){#bc-panel{scroll-margin-top:85px}}

/* v0.5 customer reviews */
.bc-review-section{border-top:1px solid #d9e5ef;margin-top:24px;padding-top:18px}.bc-review{border-bottom:1px solid #e3eaf0;padding:12px 0}.bc-review p{margin:6px 0}.bc-review small{color:#657587}.bc-review-write{margin-top:18px}.bc-review-write summary{cursor:pointer;font-weight:700;color:#337fba}.bc-review-write form{display:grid;gap:12px;margin-top:14px;max-width:650px}.bc-review-write label{display:grid;gap:4px;font-weight:600}.bc-review-write input,.bc-review-write textarea,.bc-review-write select{box-sizing:border-box;width:100%;border:1px solid #bfd4e4;border-radius:9px;padding:9px;font:inherit}.bc-review-honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.bc-review-feedback{font-weight:600}
/* v0.5.1: compact ratings and review bot protection */
.bc-app .bc-rating{display:inline-flex;align-items:center;gap:4px;width:fit-content;border:0;background:transparent;color:#236eaa;text-decoration:underline;text-underline-offset:3px;padding:5px 0;font:inherit;font-size:14px;font-weight:700;cursor:pointer;text-align:left}.bc-app .bc-rating:hover{color:#194f7c}.bc-app .bc-rating:focus-visible{outline:3px solid #337fba;outline-offset:3px}.bc-no-rating{font-size:12px;color:#667787}.bc-turnstile{margin:12px 0;min-height:65px}.bc-review-section{scroll-margin-top:105px}.bc-compare-row .bc-rating{max-width:100%;white-space:normal}

/* v0.5.2: independent reviews, consistent scroll destinations */
.bc-review-detail{margin:22px 0;padding:24px;border:1px solid #d9e7f1;border-radius:20px;background:#fff;scroll-margin-top:110px}.bc-review-detail[hidden]{display:none!important}.bc-review-detail .bc-panel-head{display:flex;justify-content:space-between;gap:12px;align-items:start}.bc-review-detail .bc-review-section{margin-top:12px}@media(max-width:640px){.bc-review-detail{padding:16px;scroll-margin-top:85px}}

/* v0.5.3 comparison readability: imported-field differences, expandable descriptions */
.bc-compare-overview{display:flex;flex-wrap:wrap;align-items:center;gap:9px 18px;background:#f3f8fc;border:1px solid #d5e7f4;border-radius:12px;padding:12px 14px;margin:12px 0}.bc-compare-overview span{color:#607384;font-size:13px}.bc-compare-overview label{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:13px;font-weight:650;cursor:pointer}.bc-compare-overview input{width:16px;height:16px}.bc-compare-row.bc-diff{background:#f5faf2;border-left:3px solid #80b840;padding-left:9px;padding-right:7px}.bc-compare-row.bc-diff>div{font-weight:550}.bc-compare-row .bc-description-short{margin:0;line-height:1.5}.bc-description-full{margin-top:7px}.bc-description-full summary{color:#236eaa;font-size:13px;font-weight:700;cursor:pointer}.bc-description-full p{font-weight:400;white-space:pre-line;line-height:1.55;margin:9px 0}.bc-differences-only .bc-compare-row.bc-same{display:none}.bc-differences-only .bc-compare-buy-row{display:grid}.bc-compare-row.bc-description-row>div{min-width:0}@media(max-width:640px){.bc-compare-overview label{margin-left:0}.bc-compare-row.bc-diff{padding-left:5px}}

/* v0.5.4 — mobile-first product browsing and comparison. Desktop unchanged. */
@media (max-width: 620px) {
  .bc-app { padding: 8px 12px 28px; }
  .bc-header { padding: 4px 0 10px; min-height: 0; }
  .bc-logo { width: 150px; max-height: 55px; }
  .bc-hero { padding: 20px 16px; border-radius: 20px; }
  .bc-hero h1 { font-size: clamp(24px, 6.3vw, 30px); line-height: 1.16; }
  .bc-hero p { font-size: 14px; line-height: 1.45; margin-bottom: 15px; }
  .bc-hero input { padding: 13px 14px; font-size: 16px; }
  .bc-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .bc-card { border-radius: 19px; }
  .bc-photo { aspect-ratio: 5 / 4; }
  .bc-photo img { padding: 14px; }
  .bc-card-body { padding: 16px; gap: 3px; }
  .bc-card h3 { font-size: 17px; line-height: 1.4; margin: 7px 0 9px; }
  .bc-price { font-size: 21px; margin: 5px 0; }
  .bc-actions { flex-direction: row; gap: 9px; margin-top: 10px; }
  .bc-actions button { flex: 1 1 0; min-width: 0; min-height: 46px; font-size: 13px; padding: 10px 7px; }
  .bc-panel { padding: 16px 12px; border-radius: 17px; }
  .bc-panel-head { align-items: flex-start; gap: 10px; }
  .bc-panel-head h2 { font-size: 23px; line-height: 1.25; overflow-wrap: normal; }
  .bc-panel-head button { flex: 0 0 auto; }
  .bc-compare-overview { padding: 12px; }
  .bc-compare-overview label { width: 100%; }
  .bc-compare-row { grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 12px; row-gap: 9px; padding: 15px 4px; font-size: 14px; line-height: 1.45; overflow-wrap: break-word; }
  .bc-compare-row > strong:first-child { grid-column: 1 / -1; font-size: 12px; text-transform: uppercase; letter-spacing: .035em; color: #5c6f7c; }
  .bc-compare-row > div { min-width: 0; overflow-wrap: anywhere; }
  .bc-compare-row.bc-diff { padding: 14px 8px; }
  .bc-compare-row .bc-rating { font-size: 13px; }
  .bc-buy-cell { padding: 5px 0; }
  .bc-buy-price { font-size: 19px; }
  .bc-app .bc-buy-link { min-height: 44px; display: flex; align-items: center; justify-content: center; font-size: 13px; }
  .bc-tray { bottom: max(8px, env(safe-area-inset-bottom)); flex-wrap: nowrap; gap: 7px; padding: 9px 10px; border-radius: 12px; justify-content: space-between; }
  .bc-tray button { padding: 10px 9px; font-size: 12px; white-space: nowrap; min-height: 42px; }
  .bc-tray > * { min-width: 0; }
  /* Once comparison is open, put the selection controls in normal document flow,
     rather than overlaying and hiding specification rows. */
  .bc-app:has(.bc-compare-grid) .bc-tray { position: static; margin-top: 12px; }
}
@media (max-width: 360px) {
  .bc-tray { gap: 5px; padding: 8px 6px; }
  .bc-tray button { font-size: 11px; padding: 9px 6px; }
  .bc-compare-row { column-gap: 9px; }
}

/* v0.5.5: restore two-column mobile shopping grid with wider usable cards.
   Only the product results grid changes; the v0.5.4 comparison layout stays intact. */
@media (max-width: 620px) {
  .bc-app { padding-left: 6px; padding-right: 6px; }
  .bc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .bc-card { min-width: 0; border-radius: 14px; }
  .bc-photo { aspect-ratio: 1 / 1; }
  .bc-photo img { padding: 5px; }
  .bc-card-body { min-width: 0; padding: 10px 9px 12px; gap: 4px; }
  .bc-card h3 { font-size: clamp(13px, 3.6vw, 15px); line-height: 1.35; margin: 5px 0 7px; flex: 0 0 auto; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; line-clamp: 3; overflow: hidden; }
  .bc-price { font-size: clamp(16px, 4.4vw, 19px); margin: 7px 0; }
  .bc-actions { flex-direction: column; gap: 7px; margin-top: auto; padding-top: 8px; }
  .bc-actions button { width: 100%; flex: none; min-height: 42px; font-size: 12px; padding: 9px 5px; line-height: 1.25; }
  .bc-app .bc-card .bc-rating { font-size: 12px; }
  .bc-card small, .bc-no-rating { font-size: 11px; }
}
@media (max-width: 360px) {
  .bc-grid { gap: 6px; }
  .bc-card-body { padding: 9px 7px 11px; }
  .bc-card h3 { font-size: 12px; }
  .bc-actions button { font-size: 11px; }
}