/* Storefront — Amazon-pattern layout, store's own brand/palette.
   Dense, utilitarian, mobile-first. Transitions capped at 150ms. */
:root {
  --hdr-bg: #131a22;        /* deep slate header (own palette) */
  --hdr-sub: #232f3e;       /* sub-nav strip */
  --accent: #f3a847;        /* search button / highlights */
  --buy-yellow: #ffd814;    /* Add to Cart */
  --buy-orange: #ffa41c;    /* Buy Now */
  --link: #007185;          /* Amazon-style teal link */
  --link-hover: #c7511f;
  --price-red: #b12704;
  --green: #067d62;
  --line: #d5d9d9;
  --bg: #eaeded;
  --card-bg: #fff;
  --text: #0f1111;
  --muted: #565959;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: "Amazon Ember", Arial, "Helvetica Neue", sans-serif; color: var(--text); background: var(--bg); font-size: 14px; line-height: 1.45; }
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }
img { max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
h1 { font-size: 24px; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 0 0 10px; }
.wrap { max-width: 1500px; margin: 0 auto; padding: 0 12px; }
.green { color: var(--green); }

/* ---------- header ---------- */
#site-header { position: sticky; top: 0; z-index: 100; }
.hdr-main { background: var(--hdr-bg); color: #fff; display: flex; align-items: center; gap: 6px; padding: 8px 10px; flex-wrap: wrap; }
.hdr-logo { color: #fff; font-size: 22px; font-weight: 800; letter-spacing: -.5px; padding: 6px 8px; border: 1px solid transparent; border-radius: 3px; white-space: nowrap; }
.hdr-logo:hover { color: #fff; text-decoration: none; border-color: #fff; }
.hdr-logo-tld { color: var(--accent); font-size: 14px; font-weight: 700; }
.hdr-deliver { display: none; flex-direction: column; padding: 6px 8px; border: 1px solid transparent; border-radius: 3px; }
.hdr-deliver-top { color: #ccc; font-size: 12px; margin-left: 14px; }
.hdr-deliver-loc { font-weight: 700; font-size: 14px; }
.hdr-search { display: flex; flex: 1 1 100%; order: 3; height: 42px; border-radius: 5px; overflow: hidden; background: #fff; }
.hdr-search:focus-within { box-shadow: 0 0 0 3px var(--accent); }
.hdr-search-cat { border: 0; background: #f3f3f3; color: #555; font-size: 12px; padding: 0 4px; border-right: 1px solid #ddd; max-width: 92px; }
.hdr-search-input { flex: 1; border: 0; font-size: 15px; padding: 0 12px; outline: none; min-width: 0; }
.hdr-search-btn { border: 0; background: var(--accent); width: 48px; font-size: 20px; color: #232f3e; }
.hdr-search-btn:hover { background: #e79a28; }
.hdr-link { color: #fff; display: none; flex-direction: column; padding: 6px 8px; border: 1px solid transparent; border-radius: 3px; white-space: nowrap; }
.hdr-link:hover { color: #fff; text-decoration: none; border-color: #fff; }
.hdr-link-top { font-size: 12px; }
.hdr-link-bot { font-weight: 700; font-size: 14px; }
.hdr-cart { color: #fff; display: flex; align-items: flex-end; padding: 4px 8px; border: 1px solid transparent; border-radius: 3px; margin-left: auto; }
.hdr-cart:hover { color: #fff; text-decoration: none; border-color: #fff; }
.hdr-cart-icon { position: relative; font-size: 26px; line-height: 1; }
.cart-count { position: absolute; top: -7px; left: 50%; transform: translateX(-50%); color: var(--accent); font-size: 16px; font-weight: 800; min-width: 18px; text-align: center; }
.hdr-cart-label { font-weight: 700; font-size: 14px; display: none; }
.hdr-sub { background: var(--hdr-sub); color: #fff; display: flex; gap: 2px; padding: 4px 8px; overflow-x: auto; white-space: nowrap; }
.hdr-sub a { color: #fff; font-size: 14px; padding: 5px 9px; border: 1px solid transparent; border-radius: 3px; }
.hdr-sub a:hover { color: #fff; text-decoration: none; border-color: #fff; }
.hdr-sub-all { font-weight: 700; }
@media (min-width: 760px) {
  .hdr-main { flex-wrap: nowrap; }
  .hdr-search { order: 0; flex: 1; }
  .hdr-deliver { display: flex; }
  .hdr-link { display: flex; }
  .hdr-cart { margin-left: 0; }
  .hdr-cart-label { display: inline; }
}

/* ---------- stars / price / badges ---------- */
.stars { position: relative; display: inline-block; font-size: 15px; line-height: 1; letter-spacing: 1px; vertical-align: middle; }
.stars-bg { color: #d5d9d9; }
.stars-fill { color: #ffa41c; position: absolute; left: 0; top: 0; overflow: hidden; white-space: nowrap; }
.rating-count { color: var(--link); font-size: 13px; margin-left: 5px; vertical-align: middle; }
.price { font-size: 21px; font-weight: 500; color: var(--text); }
.price-sym { font-size: 12px; vertical-align: top; position: relative; top: 3px; }
.price-frac { font-size: 12px; vertical-align: top; position: relative; top: 3px; }
.list-price { color: var(--muted); font-size: 13px; }
.deal-badge { background: #cc0c39; color: #fff; font-size: 13px; font-weight: 700; padding: 2px 5px; border-radius: 3px; vertical-align: middle; }
.delivery-line { color: var(--muted); font-size: 13px; }
.delivery-line strong { color: var(--text); }
.out-of-stock { color: var(--price-red); font-size: 13px; font-weight: 700; }

/* ---------- home ---------- */
.hero { background: linear-gradient(180deg, #1d2f45 0%, #33506e 70%, var(--bg) 100%); color: #fff; padding: 34px 0 60px; margin-bottom: -34px; }
.hero h1 { font-size: 30px; max-width: 640px; }
.hero p { max-width: 560px; color: #dde6ee; font-size: 16px; }
.hero .hero-btn { display: inline-block; background: var(--buy-yellow); color: #0f1111; font-weight: 700; padding: 10px 22px; border-radius: 999px; margin-top: 8px; }
.hero .hero-btn:hover { text-decoration: none; background: #f7ca00; }
.tile-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
@media (min-width: 900px) { .tile-row { grid-template-columns: repeat(4, 1fr); } }
.tile { background: var(--card-bg); border-radius: 4px; padding: 16px; }
.tile h3 { margin: 0 0 10px; font-size: 18px; }
.tile img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #eef1f4; border-radius: 2px; }
.tile a.more { font-size: 13px; }
.rail-block { background: var(--card-bg); border-radius: 4px; padding: 16px; margin-bottom: 18px; position: relative; }
.rail-head { display: flex; align-items: baseline; gap: 14px; }
.rail-head a { font-size: 13px; }
.rail { display: flex; gap: 12px; overflow-x: auto; scroll-behavior: smooth; padding: 6px 2px 10px; scrollbar-width: thin; }
.rail .card { flex: 0 0 168px; }
@media (min-width: 760px) { .rail .card { flex-basis: 200px; } }
.rail-btn { position: absolute; top: 45%; z-index: 2; width: 42px; height: 88px; border: 1px solid var(--line); background: #fff; border-radius: 4px; font-size: 20px; box-shadow: 0 1px 4px rgba(15,17,17,.18); }
.rail-btn.prev { left: 6px; } .rail-btn.next { right: 6px; }

/* ---------- product card ---------- */
.card { background: var(--card-bg); display: flex; flex-direction: column; }
.card-img img { width: 100%; aspect-ratio: 1/1; object-fit: cover; background: #f7f8f8; display: block; }
.card-body { padding: 8px 4px 4px; display: flex; flex-direction: column; gap: 3px; }
.card-title { color: var(--text); font-size: 14px; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 38px; }
.card-title:hover { color: var(--link-hover); text-decoration: none; }
.card-price .price { font-size: 19px; }

/* ---------- search results ---------- */
.search-layout { display: block; }
@media (min-width: 900px) { .search-layout { display: grid; grid-template-columns: 210px 1fr; gap: 18px; align-items: start; } }
.filters { background: var(--card-bg); border-radius: 4px; padding: 14px; margin-bottom: 14px; }
.filters h4 { margin: 14px 0 6px; font-size: 15px; }
.filters h4:first-child { margin-top: 0; }
.filters label { display: block; padding: 3px 0; font-size: 14px; cursor: pointer; }
.filters .ftr-stars { font-size: 14px; }
.results-bar { background: var(--card-bg); border-radius: 4px; padding: 10px 14px; display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.results-bar select { padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: #f0f2f2; font-size: 13px; }
.result-row { background: var(--card-bg); border: 1px solid var(--line); border-radius: 4px; display: flex; gap: 14px; padding: 14px; margin-bottom: 12px; }
.result-row .card-img { flex: 0 0 130px; }
@media (min-width: 760px) { .result-row .card-img { flex-basis: 200px; } }
.result-row .card-img img { aspect-ratio: 1/1; }
.result-main { flex: 1; min-width: 0; }
.result-main .card-title { font-size: 17px; -webkit-line-clamp: 3; min-height: 0; }
.result-brand { color: var(--muted); font-size: 13px; }
.empty-results { background: var(--card-bg); border-radius: 4px; padding: 30px; text-align: center; color: var(--muted); }

/* ---------- product detail ---------- */
.pdp { background: var(--card-bg); border-radius: 4px; padding: 16px; margin: 14px 0; }
.crumbs { color: var(--muted); font-size: 13px; margin: 12px 0 0; }
.crumbs a { color: var(--link); }
.pdp-grid { display: block; }
@media (min-width: 900px) { .pdp-grid { display: grid; grid-template-columns: 460px 1fr 250px; gap: 22px; } }
.gallery { display: flex; gap: 10px; }
.thumbs { display: flex; flex-direction: column; gap: 8px; }
.thumbs button { border: 1px solid var(--line); border-radius: 6px; padding: 0; background: #fff; width: 44px; height: 44px; overflow: hidden; transition: border-color 150ms ease, box-shadow 150ms ease; }
.thumbs button.active { border-color: #e77600; box-shadow: 0 0 0 2px #fbd8a9; }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }
.gallery-main { flex: 1; }
.gallery-main img { width: 100%; aspect-ratio: 1/1; object-fit: cover; background: #f7f8f8; }
.pdp-center h1 { font-size: 22px; line-height: 1.3; font-weight: 500; }
.brand-line { font-size: 14px; margin: 4px 0; }
.pdp-rule { border: 0; border-top: 1px solid var(--line); margin: 10px 0; }
.pdp-price-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.pdp-price-row .price { font-size: 30px; }
.pdp-price-row .deal-pct { color: #cc0c39; font-size: 26px; font-weight: 300; }
.about-list { margin: 6px 0 0; padding-left: 18px; }
.about-list li { margin: 4px 0; }
.buybox { border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-top: 14px; }
@media (min-width: 900px) { .buybox { margin-top: 0; } }
.buybox .price { font-size: 26px; }
.buybox .stock { color: var(--green); font-size: 17px; margin: 8px 0; }
.buybox .stock.low { color: var(--price-red); }
.qty-select { width: 100%; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: #f0f2f2; font-size: 14px; margin: 8px 0 12px; box-shadow: 0 1px 2px rgba(15,17,17,.12); }
.btn-buy { display: block; width: 100%; border: 0; border-radius: 999px; padding: 11px 16px; font-size: 14px; margin: 8px 0; transition: background 150ms ease; }
.btn-cart { background: var(--buy-yellow); }
.btn-cart:hover { background: #f7ca00; }
.btn-now { background: var(--buy-orange); }
.btn-now:hover { background: #fa8900; }
.buybox-meta { font-size: 13px; color: var(--muted); margin-top: 10px; }
.buybox-meta table { border-collapse: collapse; }
.buybox-meta td { padding: 2px 8px 2px 0; vertical-align: top; }
.gift-line { font-size: 14px; margin-top: 10px; display: block; }
.spec-table { border-collapse: collapse; width: 100%; max-width: 720px; }
.spec-table th, .spec-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 14px; }
.spec-table th { background: #f7f8f8; width: 200px; }
.sticky-buybar { position: fixed; left: 0; right: 0; bottom: 0; background: #fff; border-top: 1px solid var(--line); padding: 10px 12px; display: flex; gap: 10px; align-items: center; z-index: 90; box-shadow: 0 -2px 8px rgba(15,17,17,.12); }
.sticky-buybar .btn-buy { margin: 0; }
@media (min-width: 900px) { .sticky-buybar { display: none; } }

/* ---------- reviews ---------- */
.reviews { background: var(--card-bg); border-radius: 4px; padding: 16px; margin-bottom: 18px; }
.rev-layout { display: block; }
@media (min-width: 900px) { .rev-layout { display: grid; grid-template-columns: 300px 1fr; gap: 30px; } }
.rev-bar-row { display: flex; align-items: center; gap: 10px; margin: 5px 0; font-size: 13px; }
.rev-bar { flex: 1; height: 18px; background: #f0f2f2; border: 1px solid var(--line); border-radius: 3px; overflow: hidden; }
.rev-bar-fill { height: 100%; background: linear-gradient(180deg, #ffce6b, #ffa41c); }
.rev-card { border-top: 1px solid var(--line); padding: 14px 0; }
.rev-card .rev-head { display: flex; gap: 8px; align-items: center; font-weight: 700; }
.rev-verified { color: #c45500; font-size: 12px; font-weight: 700; }
.rev-helpful { color: var(--muted); font-size: 13px; }
.rev-helpful button { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 5px 16px; margin-right: 8px; box-shadow: 0 1px 2px rgba(15,17,17,.1); }

/* ---------- cart ---------- */
.cart-layout { display: block; margin: 14px 0; }
@media (min-width: 900px) { .cart-layout { display: grid; grid-template-columns: 1fr 300px; gap: 16px; align-items: start; } }
.cart-main { background: var(--card-bg); border-radius: 4px; padding: 18px; }
.cart-line { display: flex; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); }
.cart-line img { width: 110px; height: 110px; object-fit: cover; background: #f7f8f8; }
@media (min-width: 760px) { .cart-line img { width: 150px; height: 150px; } }
.cart-line-main { flex: 1; min-width: 0; }
.cart-line-title { font-size: 16px; color: var(--text); }
.cart-line-price { font-size: 17px; font-weight: 700; text-align: right; white-space: nowrap; }
.qty-stepper { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: #f0f2f2; box-shadow: 0 1px 2px rgba(15,17,17,.12); }
.qty-stepper button { border: 0; background: transparent; width: 36px; height: 34px; font-size: 17px; }
.qty-stepper span { min-width: 26px; text-align: center; font-weight: 700; }
.cart-actions { font-size: 13px; margin-top: 8px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.cart-actions .sep { color: var(--line); }
.cart-actions button { background: none; border: 0; color: var(--link); font-size: 13px; padding: 0; }
.cart-actions button:hover { color: var(--link-hover); text-decoration: underline; }
.subtotal-panel { background: var(--card-bg); border-radius: 4px; padding: 18px; }
.subtotal-panel .btn-buy { text-align: center; text-decoration: none; }
.free-ship-note { color: var(--green); font-size: 13px; margin-bottom: 10px; }
.cart-subtotal-line { font-size: 17px; margin-top: 14px; text-align: right; }
.saved-block { background: var(--card-bg); border-radius: 4px; padding: 18px; margin-top: 16px; }

/* ---------- checkout ---------- */
.co-wrap { max-width: 980px; margin: 14px auto; }
.co-step { background: var(--card-bg); border-radius: 4px; padding: 18px; margin-bottom: 14px; }
.co-step h2 { display: flex; gap: 10px; align-items: baseline; }
.co-step h2 .num { color: #b12704; }
.co-grid { display: block; }
@media (min-width: 900px) { .co-grid { display: grid; grid-template-columns: 1fr 300px; gap: 16px; align-items: start; } }
.addr-form { display: grid; grid-template-columns: 1fr; gap: 10px; max-width: 560px; }
@media (min-width: 700px) { .addr-form { grid-template-columns: 1fr 1fr; } .addr-form .full { grid-column: 1 / -1; } }
.addr-form label { font-size: 13px; font-weight: 700; display: block; }
.addr-form input, .addr-form select { width: 100%; padding: 8px 10px; border: 1px solid #888c8c; border-radius: 4px; font-size: 14px; margin-top: 3px; }
.addr-form input:focus, .addr-form select:focus { outline: none; border-color: #e77600; box-shadow: 0 0 0 3px #fbd8a9; }
.btn-primary { background: var(--buy-yellow); border: 1px solid #fcd200; border-radius: 999px; padding: 10px 22px; font-size: 14px; font-weight: 600; transition: background 150ms ease; }
.btn-primary:hover { background: #f7ca00; }
.btn-place { background: var(--buy-yellow); border: 1px solid #fcd200; border-radius: 999px; padding: 11px 26px; font-size: 15px; font-weight: 700; width: 100%; }
.btn-place:hover { background: #f7ca00; }
.btn-place:disabled { opacity: .55; cursor: default; }
.co-summary { background: #f7f8f8; border: 1px solid var(--line); border-radius: 4px; padding: 16px; }
.co-summary table { width: 100%; border-collapse: collapse; font-size: 14px; }
.co-summary td { padding: 4px 0; }
.co-summary td.r, .co-line td.r { text-align: right; }
.co-summary .total-row td { color: var(--price-red); font-size: 17px; font-weight: 700; border-top: 1px solid var(--line); padding-top: 8px; }
.co-line { display: flex; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); }
.co-line img { width: 64px; height: 64px; object-fit: cover; background: #f7f8f8; }
.co-banner { border-radius: 4px; padding: 16px 18px; margin-bottom: 14px; }
.co-banner.ok { background: #067d62; color: #fff; }
.co-banner.warn { background: #fff3cd; border: 1px solid #f0d9a0; color: #664d03; }
.co-err { color: var(--price-red); font-size: 14px; min-height: 18px; }
.step-done-note { color: var(--muted); font-size: 14px; }
.locked-note { background: #fef8e8; border: 1px solid #f0d9a0; border-radius: 4px; padding: 12px 14px; font-size: 13px; color: #5c4a12; }

/* ---------- footer ---------- */
#site-footer { margin-top: 30px; }
.ftr-top { display: block; width: 100%; background: #37475a; color: #fff; border: 0; padding: 15px; font-size: 13px; }
.ftr-top:hover { background: #485769; }
.ftr-cols { background: var(--hdr-sub); color: #fff; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 30px 16px; max-width: none; }
@media (min-width: 900px) { .ftr-cols { grid-template-columns: repeat(4, 1fr); padding: 40px 10%; } }
.ftr-cols h4 { margin: 0 0 10px; font-size: 16px; }
.ftr-cols a { display: block; color: #ddd; font-size: 14px; margin: 6px 0; }
.ftr-brand { background: var(--hdr-bg); text-align: center; padding: 22px 0 6px; }
.ftr-legal { background: var(--hdr-bg); color: #ccc; text-align: center; font-size: 12px; padding: 6px 12px 26px; }
.ftr-legal a { color: #ccc; text-decoration: underline; }
.rating-none { color: var(--muted); font-size: 13px; }

.page-block { background: var(--card-bg); border-radius: 4px; padding: 16px; margin: 14px 0 18px; }