:root {
    --okde-ink: #18211d;
    --okde-paper: #f6f1e7;
    --okde-accent: #b94530;
    --okde-leaf: #4d6b5b;
    --okde-sun: #f2cb63;
    --okde-muted: #5f6862;
    --okde-line: color-mix(in srgb, var(--okde-ink) 18%, transparent);
    --okde-display: Georgia, 'Times New Roman', serif;
    --okde-body: Arial, 'Noto Sans TC', sans-serif;
    --content: min(1180px, calc(100vw - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--okde-ink); background: var(--okde-paper); font: 16px/1.6 var(--okde-body); }
a { color: inherit; text-decoration: none; }
button, input, select { color: inherit; font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--okde-accent); outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; color: white; background: var(--okde-ink); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.offline-banner { padding: 8px 20px; color: white; background: var(--okde-ink); text-align: center; }
.site-header { width: var(--content); min-height: 86px; margin: auto; position: sticky; top: 0; z-index: 80; display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid var(--okde-line); background: color-mix(in srgb, var(--okde-paper) 94%, transparent); backdrop-filter: blur(12px); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: .82rem; font-weight: 900; letter-spacing: .18em; }
.brand-mark { display: inline-grid; width: 44px; height: 44px; place-items: center; border-radius: 50%; color: var(--okde-paper); background: var(--okde-accent); font: 700 1rem/1 var(--okde-display); transform: rotate(-7deg); }
.primary-nav { display: flex; align-items: center; gap: clamp(16px, 3vw, 40px); font-size: .78rem; font-weight: 800; letter-spacing: .08em; }
.primary-nav a[aria-current='page'] { border-bottom: 2px solid var(--okde-accent); }
.primary-nav a[hidden] { display: none; }
.cart-link span { display: inline-grid; min-width: 24px; height: 24px; margin-left: 4px; place-items: center; border: 1px solid; border-radius: 50%; }
.menu-button { display: none; border: 1px solid; background: transparent; padding: 8px 12px; }
main { min-height: 65vh; }
.hero { width: var(--content); min-height: 610px; margin: auto; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: clamp(30px, 8vw, 110px); padding: 70px 0 90px; }
.eyebrow { margin: 0 0 18px; color: var(--okde-accent); font-size: .72rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: anywhere; }
.hero h1, .page-heading h1, .product-copy h1 { margin: 0; font: 400 clamp(3.7rem, 8vw, 7.8rem)/.9 var(--okde-display); letter-spacing: -.055em; text-wrap: balance; }
.hero h1 em { color: var(--okde-accent); font-weight: inherit; }
.lede { max-width: 580px; margin: 34px 0; color: var(--okde-muted); font: 1.25rem/1.6 var(--okde-display); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 12px 20px; border: 1px solid var(--okde-ink); cursor: pointer; background: transparent; font-weight: 800; }
.button--primary { color: var(--okde-paper); background: var(--okde-ink); }
.button:disabled { cursor: not-allowed; opacity: .45; }
.hero-art { min-height: 430px; position: relative; display: grid; place-items: center; }
.hero-art::before { content: ''; width: min(390px, 85%); aspect-ratio: 1; border-radius: 50%; background: var(--okde-sun); }
.hero-art::after { content: 'OKDE'; position: absolute; padding: 52px 28px; border: 1px solid var(--okde-ink); border-radius: 48% 52% 45% 55%; color: var(--okde-paper); background: var(--okde-leaf); font: 400 clamp(2rem, 6vw, 5rem)/1 var(--okde-display); transform: rotate(7deg); }
.section { width: var(--content); margin: auto; padding: 80px 0; }
.section--tinted { width: 100%; padding-inline: max(20px, calc((100vw - 1180px) / 2)); background: #e1e8e1; }
.section-heading { max-width: 760px; margin-bottom: 38px; }
.section-heading h2 { margin: 0; font: 400 clamp(2.5rem, 5vw, 4.8rem)/1 var(--okde-display); letter-spacing: -.04em; text-wrap: balance; }
.category-grid, .product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.category-card { min-height: 130px; padding: 24px; display: flex; align-items: end; justify-content: space-between; border: 1px solid var(--okde-ink); font: 400 1.7rem/1.1 var(--okde-display); }
.product-card { min-width: 0; display: flex; }
.product-card__primary-link { min-width: 0; width: 100%; display: flex; flex-direction: column; color: inherit; text-decoration: none; }
.product-card__primary-link:focus-visible { outline: 3px solid var(--okde-accent); outline-offset: 4px; }
.product-card__detail { text-decoration: underline; text-underline-offset: 3px; }
.product-card__primary-link:hover .product-card__detail { text-decoration-thickness: 2px; }
.product-image { min-height: 300px; display: grid; place-items: center; overflow: hidden; background: #ead9c9; }
.product-image img { width: 100%; height: 300px; object-fit: contain; }
.product-image-placeholder { width: 54%; min-height: 190px; display: grid; place-items: center; border-radius: 45% 55% 40% 60%; color: var(--okde-paper); background: var(--okde-leaf); box-shadow: 30px 25px 0 var(--okde-sun); }
.product-image-placeholder__text { padding: 16px; font-size: .82rem; font-weight: 900; text-align: center; }
.product-card h3 { margin: 18px 0 4px; font: 400 1.7rem/1.15 var(--okde-display); }
.product-card p { margin: 0; color: var(--okde-muted); white-space: pre-line; }
.product-meta { display: flex; align-items: end; justify-content: space-between; gap: 14px; margin-top: auto; padding-top: 13px; border-top: 1px solid var(--okde-line); font-weight: 800; }
.product-card__facts { min-width: 0; display: grid; gap: 3px; }
.product-card__price { font-weight: 900; }
.product-card__variant, .product-card__availability { color: var(--okde-muted); font-size: .82rem; font-weight: 700; }
.price-current, .price-reference { display: inline-flex; align-items: baseline; gap: 4px; }
.price-label { color: var(--okde-muted); font-size: .78rem; font-weight: 800; }
.price-reference { color: var(--okde-muted); font-size: .82rem; }
.price-reference del { text-decoration: line-through; }
.page-heading { width: var(--content); margin: auto; padding: 70px 0 45px; }
.page-heading h1 { font-size: clamp(3.2rem, 7vw, 6.6rem); }
.catalog-categories { width: var(--content); margin: 0 auto 16px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 12px; }
.catalog-categories__field { display: grid; grid-template-columns: auto minmax(220px, 420px); align-items: center; gap: 12px; }
.catalog-categories__label { font-size: .82rem; font-weight: 900; }
.catalog-categories select { min-height: 44px; padding: 8px 12px; border: 1px solid var(--okde-ink); background: transparent; }
.catalog-categories__apply { min-height: 44px; white-space: nowrap; }
.catalog-sort { width: var(--content); margin: 0 auto 8px; display: flex; justify-content: flex-end; align-items: center; gap: 10px; }
.catalog-sort__label { font-size: .82rem; font-weight: 900; }
.catalog-sort select { min-height: 44px; min-width: 160px; padding: 8px 12px; border: 1px solid var(--okde-ink); background: transparent; }
.toolbar { width: var(--content); margin: auto; display: flex; gap: 12px; padding: 18px 0; border-block: 1px solid var(--okde-line); }
.toolbar input, .toolbar select { min-height: 46px; padding: 9px 12px; border: 1px solid var(--okde-ink); background: transparent; }
.toolbar input { flex: 1; }
.state-panel { width: min(620px, calc(100vw - 40px)); min-height: 420px; margin: auto; display: grid; align-content: center; justify-items: start; }
.state-panel[data-state='loading'] { min-height: calc(100svh - 86px); }
.state-panel h1 { margin: 20px 0 4px; font: 400 clamp(2.5rem, 7vw, 5rem)/1 var(--okde-display); }
.state-panel p { color: var(--okde-muted); }
.spinner { width: 38px; height: 38px; border: 3px solid var(--okde-line); border-top-color: var(--okde-accent); border-radius: 50%; animation: spin .8s linear infinite; }
.product-detail { width: var(--content); margin: auto; display: grid; grid-template-columns: 1fr .85fr; align-items: start; gap: clamp(36px, 7vw, 100px); padding: 42px 0 90px; }
.product-detail .product-image { min-height: 0; }
.product-image--detail { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-content: start; gap: 12px; overflow: visible; background: transparent; }
.product-image--detail img { width: 100%; height: 112px; object-fit: contain; background: #ead9c9; }
.product-image--detail .product-media__primary { grid-column: 1 / -1; height: min(440px, 48vh); max-height: 440px; }
.product-copy { align-self: start; min-width: 0; }
.product-copy h1 { max-width: 16ch; font-size: clamp(2.35rem, 4.2vw, 4.5rem); line-height: 1; overflow-wrap: anywhere; }
.product-copy .lede { white-space: pre-line; }
.product-categories { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 18px; }
.product-categories__label { color: var(--okde-muted); font-size: .8rem; font-weight: 900; }
.product-category-link { padding: 5px 9px; border: 1px solid var(--okde-line); border-radius: 999px; font-size: .82rem; font-weight: 800; }
.product-consumer-content { margin: 28px 0; padding: 20px; border: 1px solid var(--okde-line); }
.product-consumer-content h2 { margin: 0 0 14px; font: 400 1.5rem/1.2 var(--okde-display); }
.product-consumer-meta { margin: 0 0 16px; display: grid; gap: 8px; }
.product-consumer-meta__row { display: grid; grid-template-columns: minmax(84px, auto) 1fr; gap: 12px; }
.product-consumer-meta dt { font-weight: 900; }
.product-consumer-meta dd { margin: 0; }
.product-consumer-detail { margin: 0; white-space: pre-line; line-height: 1.7; }
.availability { padding: 12px 0; font-weight: 800; }
.catalog-results { padding-top: 40px; }
.catalog-pagination { margin-top: 42px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; border-top: 1px solid var(--okde-line); padding-top: 24px; }
.catalog-pagination__status { min-width: 210px; font-weight: 900; text-align: center; }
.restock-disclaimer { margin: 4px 0 0; color: var(--okde-muted); font-size: .78rem; }
.spec-summary { margin: 28px 0 12px; color: var(--okde-muted); font-weight: 800; }
.spec-list { margin: 0 0 26px; padding: 0; display: grid; gap: 12px; list-style: none; }
.spec-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 18px; padding: 18px; border: 1px solid var(--okde-line); }
.spec-row[data-availability='available'] { border-color: var(--okde-leaf); }
.spec-row[data-availability='unavailable'] { background: color-mix(in srgb, var(--okde-muted) 8%, transparent); }
.spec-row__copy { min-width: 0; }
.spec-row h2 { margin: 0; font: 400 1.35rem/1.2 var(--okde-display); }
.spec-row__prices { margin: 8px 0 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.spec-row__prices strong { font-size: 1.12rem; }
.spec-row .availability { margin: 0; padding: 5px 0 0; color: var(--okde-muted); font-size: .86rem; }
.spec-row__action { white-space: nowrap; }
.cart-list { display: grid; gap: 12px; }
.cart-row { display: grid; grid-template-columns: 1fr auto auto; gap: 20px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--okde-line); }
.cart-row h2 { margin: 0; font: 400 1.5rem var(--okde-display); }
.cart-row input { width: 76px; min-height: 44px; padding: 8px; }
.content-card { max-width: 800px; }
.content-card h2 { font: 400 2rem var(--okde-display); }
.content-card-body { display: grid; gap: 1em; }
.legal-paragraph { margin: 0; white-space: pre-line; }
.checkout-form { display: grid; gap: 24px; }
.checkout-form fieldset { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 24px; border: 1px solid var(--okde-line); }
.checkout-form legend { padding: 0 8px; font: 400 1.45rem var(--okde-display); }
.form-field { display: grid; gap: 6px; font-size: .88rem; font-weight: 800; }
.form-field input, .form-field select { width: 100%; min-height: 46px; padding: 9px 12px; border: 1px solid var(--okde-ink); background: transparent; }
.status-badge { display: inline-flex; padding: 6px 10px; border: 1px solid; border-radius: 20px; font-size: .74rem; font-weight: 900; text-transform: uppercase; }
.site-footer { margin-top: 70px; padding: 65px max(20px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: 1fr 1fr; gap: 40px; color: var(--okde-paper); background: var(--okde-accent); }
.brand-mark--footer { color: var(--okde-ink); background: var(--okde-sun); }
.footer-title { margin: 12px 0 0; font: 400 3rem var(--okde-display); }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: end; align-content: center; gap: 12px; font-size: .82rem; font-weight: 800; }
.site-footer nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 6px; }
.site-footer nav a[aria-current='page'] { border-bottom: 2px solid currentColor; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; } .spinner { animation: none !important; } }
@media (max-width: 780px) {
    :root { --content: min(100% - 28px, 1180px); }
    .site-header { min-height: 72px; flex-wrap: wrap; padding: 10px 0; }
    .state-panel[data-state='loading'] { min-height: calc(100svh - 72px); }
    .menu-button { display: block; }
    .primary-nav { width: 100%; display: none; flex-direction: column; align-items: stretch; gap: 0; padding-bottom: 8px; }
    .primary-nav[data-open] { display: flex; }
    .primary-nav a { padding: 12px 2px; border-bottom: 1px solid var(--okde-line); }
    .hero, .product-detail { grid-template-columns: 1fr; }
    .hero { min-height: 0; gap: 28px; padding: 28px 0 52px; }
    .hero h1 { max-width: 9ch; font-size: clamp(2.65rem, 12vw, 4rem); }
    .hero .lede { margin: 24px 0; font-size: 1.08rem; }
    .section-heading h2 { max-width: 12ch; font-size: clamp(2.2rem, 10vw, 3.5rem); }
    .hero-art { min-height: 190px; order: 0; }
    .hero-art::before { width: min(220px, 64%); }
    .hero-art::after { padding: 34px 22px; font-size: clamp(2rem, 13vw, 3.4rem); }
    .category-grid, .product-grid { grid-template-columns: 1fr; }
    .section { padding: 58px 0; }
    .section--tinted { padding-inline: 14px; }
    .toolbar { flex-direction: column; }
    .catalog-categories { grid-template-columns: 1fr; gap: 8px; }
    .catalog-categories__field { grid-template-columns: 1fr; gap: 6px; }
    .catalog-categories select, .catalog-categories__apply { width: 100%; }
    .catalog-sort { justify-content: stretch; }
    .catalog-sort select { min-width: 0; flex: 1; }
    .catalog-pagination { justify-content: flex-start; }
    .catalog-pagination__status { order: -1; flex-basis: 100%; text-align: left; }
    .spec-row { grid-template-columns: 1fr; }
    .spec-row__action { width: 100%; }
    .checkout-form fieldset { grid-template-columns: 1fr; padding: 18px; }
    .product-detail { gap: 26px; padding: 24px 0 64px; }
    .product-detail .product-image { min-height: 0; }
    .product-image--detail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .product-image--detail .product-media__primary { height: min(250px, 32vh); }
    .product-image--detail .product-media__secondary { height: 72px; }
    .product-image--detail .product-image-placeholder { grid-column: 1 / -1; min-height: 240px; }
    .product-copy h1 { max-width: 18ch; font-size: clamp(2rem, 10vw, 2.9rem); line-height: 1.04; }
    .product-copy .lede { margin: 18px 0; font-size: 1.02rem; }
    .spec-summary { margin-top: 18px; }
    .cart-row { grid-template-columns: 1fr auto; }
    .cart-row input { grid-column: 1; }
    .site-footer { grid-template-columns: 1fr; }
    .site-footer nav { justify-content: start; }
}

@media (min-width: 601px) and (max-width: 980px) {
    .category-grid, .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
    .category-grid, .product-grid { grid-template-columns: 1fr; }
}

.product-media-item { margin: 0; display: grid; gap: 6px; }
.product-media-item:first-child { grid-column: 1 / -1; }
.product-media__original { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 8px 10px; border: 1px solid var(--okde-line); font-size: .8rem; font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.search-idle { padding-top: 36px; }
.search-idle h2 { margin: 0 0 8px; font: 400 2rem/1.1 var(--okde-display); }
.search-idle p { margin: 0; color: var(--okde-muted); }