/* ============================================================
   RESEARCH ONLY — components (cards, grids, page bits)
   ============================================================ */

/* ---------- product card ---------- */
.pcard {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .3s;
}
.pcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--line); }
.pcard__img { aspect-ratio: 4 / 3.2; position: relative; }
.pcard__tags { position: absolute; top: 12px; left: 12px; z-index: 2; display: flex; gap: 6px; }
.pcard__code { position: absolute; top: 14px; right: 14px; z-index: 2; color: var(--on-dark-mut); font-size: 0.62rem; }
.pcard__body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.pcard__cat { color: var(--green-deep); font-size: 0.6rem; }
.pcard__name { font-size: 1.18rem; letter-spacing: -0.02em; line-height: 1.05; }
.pcard__desc { color: var(--muted); font-size: 0.85rem; line-height: 1.4; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pcard__foot { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; padding-top: 12px; border-top: 1px solid var(--line-soft); }
.pcard__price { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.pcard__price .from { font-family: var(--font-mono); font-size: 0.6rem; color: var(--muted); text-transform: uppercase; font-weight: 400; }
.pcard__purity { font-size: 0.6rem; }
.pcard__add {
  position: absolute; bottom: 18px; right: 18px;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--ink); color: var(--paper);
  display: grid; place-items: center;
  opacity: 0; transform: translateY(8px) scale(0.8);
  transition: opacity .3s, transform .4s var(--ease), background .3s;
}
.pcard:hover .pcard__add { opacity: 1; transform: none; }
.pcard:hover .pcard__add { background: var(--green); color: var(--ink); }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
@media (max-width: 560px) { .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pcard__body { padding: 13px; } .pcard__name { font-size: 1rem; } .pcard__add { display: none; }
  .pcard__desc { -webkit-line-clamp: 2; font-size: 0.78rem; }
}

/* ---------- generic section header ---------- */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 44px; }
.sec-head__t { max-width: 22ch; }
.sec-head h2 { margin-top: 14px; }

/* ---------- trust strip ---------- */
.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.trust__cell { background: var(--paper); padding: 28px 24px; }
.trust__n { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.8rem, 3vw, 2.6rem); letter-spacing: -0.03em; }
.trust__l { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 6px; }
.dark .trust { background: var(--on-dark-line); border-color: var(--on-dark-line); }
.dark .trust__cell { background: var(--teal-deep); }
@media (max-width: 760px) { .trust { grid-template-columns: repeat(2, 1fr); } }

/* ---------- category tiles ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cat-tile {
  position: relative; border-radius: var(--radius); overflow: hidden;
  min-height: 230px; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 22px; color: var(--on-dark);
  border: 1px solid var(--line-soft);
  transition: transform .5s var(--ease);
}
.cat-tile:hover { transform: translateY(-5px); }
.cat-tile .brand-img { position: absolute; inset: 0; z-index: 0; }
.cat-tile .cat-tile__img { position: absolute; inset: 0; z-index: 0; background-size: cover; background-position: center; transition: transform .6s var(--ease); }
.cat-tile:hover .cat-tile__img { transform: scale(1.05); }
.cat-tile::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(to top, oklch(0.13 0.02 var(--accent-h) / 0.85), transparent 70%); }
.cat-tile > * { position: relative; z-index: 2; }
.cat-tile h3 { color: #fff; font-size: 1.35rem; }
.cat-tile .ct { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--green); margin-bottom: 8px; }
.cat-tile .go { margin-top: 10px; display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--on-dark-mut); }
@media (max-width: 900px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .cat-grid { grid-template-columns: 1fr; } }

/* ---------- editorial split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 80px); align-items: center; }
.split--wide-img { grid-template-columns: 1.15fr 0.85fr; }
.split__media { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 5/6; min-height: 320px; }
.split__media.tall { aspect-ratio: 4/5; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } .split__media { aspect-ratio: 16/10; min-height: 240px; } .split--rev .split__media { order: -1; } }

/* ---------- process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-soft); }
.step { background: var(--paper); padding: 30px 24px; position: relative; }
.dark .steps { background: var(--on-dark-line); } .dark .step { background: var(--teal-deep); }
.step__n { font-family: var(--font-mono); font-size: 0.7rem; color: var(--green-deep); letter-spacing: 0.1em; }
.step h4 { margin: 16px 0 8px; font-size: 1.15rem; }
.step p { color: var(--muted); font-size: 0.9rem; }
.dark .step p { color: var(--on-dark-mut); }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .steps { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */
.cta-band { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--black); color: var(--on-dark); display: grid; grid-template-columns: 1fr 1fr; min-height: 320px; }
.cta-band__media { position: relative; }
.cta-band__inner { padding: clamp(30px, 5vw, 64px); display: flex; flex-direction: column; justify-content: center; gap: 22px; }
.cta-band h1, .cta-band h2, .cta-band h3, .cta-band h4 { color: var(--on-dark); }
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.6rem); }
@media (max-width: 760px) { .cta-band { grid-template-columns: 1fr; } .cta-band__media { min-height: 200px; order: -1; } }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line-soft); padding-block: 18px; }
.marquee__track { display: flex; gap: 48px; white-space: nowrap; width: max-content; animation: marquee 38s linear infinite; }
.marquee span { font-family: var(--font-display); font-weight: 500; font-size: 1.1rem; color: var(--muted); display: inline-flex; align-items: center; gap: 48px; }
.marquee span::after { content: "·"; color: var(--green-deep); }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---------- breadcrumb ---------- */
.crumb { display: flex; gap: 8px; align-items: center; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.crumb a:hover { color: var(--ink); } .crumb .sep { opacity: 0.5; }

/* ---------- page hero (interior) ---------- */
.page-hero { padding-top: 60px; padding-bottom: 50px; }
.page-hero h1 { font-size: clamp(2.4rem, 6vw, 5rem); letter-spacing: -0.04em; }

/* ---------- filter bar ---------- */
.filterbar { position: sticky; top: var(--header-h); z-index: 50; background: oklch(0.985 0.004 var(--accent-h) / 0.9); backdrop-filter: blur(12px); border-block: 1px solid var(--line-soft); }
.filterbar__row { display: flex; align-items: center; gap: 16px; padding-block: 14px; flex-wrap: wrap; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; min-width: 0; }
.chip {
  font-family: var(--font-display); font-weight: 500; font-size: 0.85rem;
  padding: 0.5em 1em; border-radius: 999px; border: 1px solid var(--line);
  color: var(--muted); white-space: nowrap; transition: .2s;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip .n { font-family: var(--font-mono); font-size: 0.62rem; opacity: 0.6; margin-left: 5px; }
.filter-tools { display: flex; gap: 10px; align-items: center; }
.search-box { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px; padding: 0.45em 0.95em; background: var(--paper); }
.search-box svg { width: 16px; height: 16px; color: var(--muted); }
.search-box input { border: none; background: none; outline: none; width: 150px; font-size: 0.9rem; }
.search-box input::placeholder { color: var(--muted-2); }
.sort-sel { border: 1px solid var(--line); border-radius: 999px; padding: 0.55em 1em; background: var(--paper); font-family: var(--font-display); font-size: 0.85rem; cursor: pointer; }
.result-meta { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); padding-block: 22px 6px; }
.load-more-wrap { display: flex; justify-content: center; padding-top: 44px; }
.no-results { text-align: center; padding: 80px 20px; color: var(--muted); }
@media (max-width: 720px) {
  .filterbar__row { gap: 10px; }
  .chips { order: 2; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
  .chips::-webkit-scrollbar { display: none; }
  .filter-tools { order: 1; width: 100%; justify-content: space-between; }
  .search-box input { width: 100%; }
  .search-box { flex: 1; }
}

/* ---------- product detail ---------- */
.pdp { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 4vw, 64px); align-items: start; }
.pdp__media { position: sticky; top: calc(var(--header-h) + 24px); }
.pdp__hero { aspect-ratio: 4/4.2; border-radius: var(--radius); overflow: hidden; position: relative; }
.pdp__hero .pdp__code { position: absolute; top: 16px; left: 16px; z-index: 2; color: var(--on-dark-mut); }
.pdp__hero .pdp__flags { position: absolute; top: 16px; right: 16px; z-index: 2; display: flex; gap: 6px; }
.pdp__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
.pdp__thumb { aspect-ratio: 1; border-radius: 10px; overflow: hidden; cursor: pointer; border: 1px solid var(--line-soft); position: relative; transition: border-color .2s; }
.pdp__thumb.on { border-color: var(--ink); }
.pdp__info > .crumb { margin-bottom: 20px; }
.pdp__cat { color: var(--green-deep); }
.pdp__title { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: -0.03em; margin: 10px 0 14px; }
.pdp__desc { color: var(--muted); font-size: 1.02rem; line-height: 1.5; max-width: 46ch; }
.pdp__pricerow { display: flex; align-items: baseline; gap: 14px; margin: 26px 0 6px; }
.pdp__price { font-family: var(--font-display); font-weight: 600; font-size: 2rem; letter-spacing: -0.02em; }
.pdp__permg { font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted); }
.pdp__opts { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0; }
.opt {
  min-width: 64px; padding: 0.7em 1em; border: 1px solid var(--line); border-radius: 12px;
  background: var(--paper); text-align: center; transition: .2s; cursor: pointer;
}
.opt .os { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; }
.opt .op { font-family: var(--font-mono); font-size: 0.62rem; color: var(--muted); margin-top: 2px; }
.opt.on { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.opt.on .op { color: var(--on-dark-mut); }
.pdp__buy { display: flex; gap: 12px; align-items: stretch; margin-top: 8px; }
.pdp__buy .qty { border-radius: 12px; }
.pdp__buy .qty button { width: 44px; height: 100%; font-size: 1.2rem; }
.pdp__buy .qty span { min-width: 36px; }
.pdp__assure { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 26px; }
.assure { display: flex; gap: 10px; align-items: flex-start; padding: 14px; border: 1px solid var(--line-soft); border-radius: 12px; }
.assure svg { width: 20px; height: 20px; color: var(--green-deep); flex: none; margin-top: 2px; }
.assure .at { font-weight: 600; font-size: 0.88rem; }
.assure .ad { font-size: 0.76rem; color: var(--muted); }
.specs { margin-top: 14px; border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.spec-row { display: flex; justify-content: space-between; gap: 16px; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); font-size: 0.9rem; }
.spec-row:last-child { border-bottom: 0; }
.spec-row .k { color: var(--muted); font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; }
.spec-row .v { font-weight: 500; text-align: right; word-break: break-word; }
.spec-row .v.seq { font-family: var(--font-mono); font-size: 0.74rem; max-width: 60%; }
.acc { border-top: 1px solid var(--line-soft); margin-top: 8px; }
.acc__item { border-bottom: 1px solid var(--line-soft); }
.acc__head { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 18px 2px; font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; text-align: left; }
.acc__head .pm { transition: transform .3s; color: var(--muted); font-size: 1.4rem; line-height: 1; }
.acc__item.open .pm { transform: rotate(45deg); }
.acc__body { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.acc__body-inner { padding: 0 2px 20px; color: var(--muted); font-size: 0.92rem; line-height: 1.6; }
@media (max-width: 860px) {
  .pdp { grid-template-columns: 1fr; }
  .pdp__media { position: static; }
  .pdp__hero { aspect-ratio: 16/12; }
}
@media (max-width: 480px) { .pdp__assure { grid-template-columns: 1fr; } }

/* ---------- cart / checkout / forms layout ---------- */
.shop-layout { display: grid; grid-template-columns: 1fr 380px; gap: clamp(28px, 4vw, 56px); align-items: start; }
@media (max-width: 880px) { .shop-layout { grid-template-columns: 1fr; } }
.summary { background: var(--paper-2); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 26px; position: sticky; top: calc(var(--header-h) + 24px); }
.summary h3 { font-size: 1.3rem; margin-bottom: 18px; }
.summary__row { display: flex; justify-content: space-between; padding: 9px 0; font-size: 0.95rem; }
.summary__row .muted { color: var(--muted); }
.summary__total { display: flex; justify-content: space-between; padding-top: 16px; margin-top: 8px; border-top: 1px solid var(--line); font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; }
.summary hr { border: 0; border-top: 1px solid var(--line); margin: 6px 0; }

.cart-row { display: grid; grid-template-columns: 92px 1fr auto; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line-soft); align-items: center; }
.cart-row__img { width: 92px; height: 104px; border-radius: 10px; overflow: hidden; position: relative; }
.cart-row__nm { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; }
.cart-row__meta { font-family: var(--font-mono); font-size: 0.66rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 4px; }
.cart-row__ctrl { display: flex; align-items: center; gap: 18px; margin-top: 12px; }
.cart-row__rm { font-family: var(--font-mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.cart-row__rm:hover { color: var(--green-deep); }
.cart-row__price { text-align: right; font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; white-space: nowrap; }
@media (max-width: 520px) {
  .cart-row { grid-template-columns: 72px 1fr; gap: 14px; }
  .cart-row__img { width: 72px; height: 84px; }
  .cart-row__price { grid-column: 2; text-align: left; margin-top: 10px; }
}

/* auth / centered forms */
.auth-wrap { max-width: 460px; margin: 0 auto; }
.auth-card { background: var(--paper); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: clamp(26px, 4vw, 44px); }
.auth-card h1 { font-size: 2rem; }
.form-stack { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 460px) { .form-row { grid-template-columns: 1fr; } }
.form-aux { display: flex; justify-content: space-between; align-items: center; font-size: 0.86rem; }
.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: 0.85rem; color: var(--muted); cursor: pointer; }
.checkbox input { margin-top: 3px; accent-color: var(--green-deep); width: 16px; height: 16px; }
.divider-or { display: flex; align-items: center; gap: 14px; color: var(--muted); font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; margin: 4px 0; }
.divider-or::before, .divider-or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.gate-note { display: flex; gap: 12px; align-items: flex-start; padding: 16px; border-radius: 12px; background: oklch(0.89 calc(var(--accent-c)*0.85) var(--accent-h) / 0.35); font-size: 0.86rem; color: var(--green-ink); }
.gate-note svg { width: 20px; height: 20px; flex: none; color: var(--green-deep); }

/* steps progress (checkout) */
.checkout-steps { display: flex; gap: 8px; align-items: center; margin-bottom: 30px; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); flex-wrap: wrap; }
.checkout-steps b { color: var(--ink); font-weight: 500; }
.checkout-steps .sep { opacity: 0.5; }

/* ---------- auth split ---------- */
.auth-split { display: grid; grid-template-columns: 1fr 1fr; min-height: calc(100dvh - var(--header-h) - 44px); }
.auth-split__brand { position: relative; overflow: hidden; background: var(--black); color: var(--on-dark); display: flex; flex-direction: column; justify-content: space-between; padding: clamp(30px, 4vw, 56px); }
.auth-split__brand .brand-img { position: absolute; inset: 0; z-index: 0; opacity: 0.85; }
.auth-split__brand > * { position: relative; z-index: 2; }
.auth-split__brand h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); max-width: 16ch; }
.auth-split__brand h1, .auth-split__brand h2, .auth-split__brand h3, .auth-split__brand h4 { color: var(--on-dark); }
.auth-split__brand .pts { display: flex; flex-direction: column; gap: 12px; }
.auth-split__brand .pt { display: flex; gap: 10px; align-items: center; color: var(--on-dark-mut); font-size: 0.92rem; }
.auth-split__brand .pt svg { width: 18px; height: 18px; color: var(--green); flex: none; }
.auth-split__form { display: flex; align-items: center; justify-content: center; padding: clamp(30px, 5vw, 60px); }
.auth-split__form .inner { width: 100%; max-width: 400px; }
@media (max-width: 880px) {
  .auth-split { grid-template-columns: 1fr; min-height: 0; }
  .auth-split__brand { display: none; }
  .auth-split__form { padding: 40px var(--gutter) 70px; }
}

/* ---------- account ---------- */
.acct-grid { display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: start; }
.acct-nav { position: sticky; top: calc(var(--header-h) + 24px); display: flex; flex-direction: column; gap: 2px; }
.acct-nav a { padding: 11px 14px; border-radius: 10px; font-family: var(--font-display); font-weight: 500; font-size: 0.92rem; color: var(--muted); transition: .15s; }
.acct-nav a:hover { background: var(--paper-2); color: var(--ink); }
.acct-nav a.on { background: var(--ink); color: var(--paper); }
.acct-card { background: var(--paper); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 26px; margin-bottom: 20px; }
.acct-card h3 { font-size: 1.2rem; margin-bottom: 16px; }
.order-row { display: grid; grid-template-columns: 1fr auto; gap: 12px 20px; padding: 18px 0; border-bottom: 1px solid var(--line-soft); }
.order-row:last-child { border-bottom: 0; }
.order-row .onum { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
.order-row .ostatus { font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--green-deep); display: inline-flex; align-items: center; gap: 6px; }
.order-row .ostatus::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
@media (max-width: 720px) { .acct-grid { grid-template-columns: 1fr; } .acct-nav { position: static; flex-direction: row; overflow-x: auto; } }

/* ---------- legal / prose ---------- */
.prose { max-width: 68ch; }
.prose h2 { font-size: 1.4rem; margin: 36px 0 12px; letter-spacing: -0.02em; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--ink); line-height: 1.7; margin-bottom: 14px; }
.prose ul { margin: 0 0 16px 0; padding-left: 0; display: flex; flex-direction: column; gap: 8px; }
.prose li { position: relative; padding-left: 22px; line-height: 1.6; color: var(--ink); }
.prose li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.prose strong { font-weight: 600; }
.prose .lead { font-size: 1.1rem; color: var(--muted); margin-bottom: 28px; }

/* ---------- COA library ---------- */
.coa-table { width: 100%; border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.coa-head, .coa-row { display: grid; grid-template-columns: 1.3fr 1.6fr 0.8fr 1fr 0.9fr 90px; gap: 14px; align-items: center; padding: 15px 20px; }
.coa-head { background: var(--paper-2); font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.coa-row { border-top: 1px solid var(--line-soft); font-size: 0.9rem; transition: background .15s; }
.coa-row:hover { background: var(--paper-2); }
.coa-row .lot { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; }
.coa-row .cmp { font-weight: 600; }
.coa-row .cmp small { display: block; font-family: var(--font-mono); font-weight: 400; font-size: 0.6rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.coa-status { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--green-deep); }
.coa-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.coa-view { font-family: var(--font-display); font-weight: 500; font-size: 0.82rem; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 0.4em 0.8em; transition: .2s; }
.coa-view:hover { background: var(--ink); color: var(--paper); }
@media (max-width: 760px) {
  .coa-head { display: none; }
  .coa-row { grid-template-columns: 1fr auto; gap: 6px 14px; padding: 16px; }
  .coa-row .lot { grid-column: 1; }
  .coa-row .cmp { grid-column: 1; grid-row: 2; }
  .coa-row .pur { grid-column: 1; grid-row: 3; font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted); }
  .coa-row .date { display: none; }
  .coa-row .st { grid-column: 2; grid-row: 1; }
  .coa-row .vw { grid-column: 2; grid-row: 3; justify-self: end; }
}

/* COA certificate modal */
.coa-modal { position: fixed; inset: 0; z-index: 400; display: none; align-items: flex-start; justify-content: center; padding: 40px 20px; overflow-y: auto; }
.coa-modal.show { display: flex; }
.coa-modal__scrim { position: fixed; inset: 0; background: oklch(0.13 0.01 var(--accent-h) / 0.55); backdrop-filter: blur(3px); }
.coa-doc { position: relative; z-index: 2; background: #fff; color: var(--ink); width: min(760px, 100%); border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; }
.coa-doc__top { display: flex; justify-content: space-between; align-items: flex-start; padding: 32px; border-bottom: 2px solid var(--ink); }
.coa-doc__band { height: 120px; position: relative; }
.coa-doc__body { padding: 32px; }
.coa-doc__title { font-size: 1.6rem; margin-bottom: 4px; }
.coa-meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin: 22px 0; }
.coa-meta-grid div { padding: 13px 16px; border-bottom: 1px solid var(--line-soft); }
.coa-meta-grid div:nth-child(odd) { border-right: 1px solid var(--line-soft); }
.coa-meta-grid .k { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.coa-meta-grid .v { font-weight: 600; font-size: 0.98rem; margin-top: 3px; }
.coa-result { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line-soft); font-size: 0.92rem; }
.coa-result .pass { color: var(--green-deep); font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; }
.coa-chart { height: 120px; border: 1px solid var(--line-soft); border-radius: 10px; margin: 16px 0; position: relative; overflow: hidden; background: var(--paper); }
.coa-modal__close { position: absolute; top: 14px; right: 14px; z-index: 5; width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.9); display: grid; place-items: center; box-shadow: var(--shadow-sm); }
@media print {
  body > *:not(.coa-modal) { display: none !important; }
  .coa-modal { position: static; padding: 0; display: block !important; }
  .coa-modal__scrim, .coa-modal__close { display: none !important; }
  .coa-doc { box-shadow: none; width: 100%; }
}