/* Binary Devices — industrial spec-sheet electronics showroom */
:root {
  --graphite: #0e0f12;
  --panel: #16181d;
  --panel-2: #1c1f26;
  --line: #2a2e37;
  --text: #e9edf2;
  --muted: #8a93a1;
  --steel: #6b7280;
  --cyan: #38e1c6;
  --cyan-dim: #2bbfa8;
  --danger: #ff6b5e;
  --shell: 1280px;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --display: "Space Grotesk", system-ui, sans-serif;
}

.stock-note { display: block; margin-top: 12px; color: var(--muted); font: 500 12px/1.4 var(--mono); }
.compare-toggle { width: 100%; min-height: 44px; border: 0; border-top: 1px solid var(--line); background: transparent; color: var(--muted); font: 600 12px/1 var(--mono); cursor: pointer; }
.compare-toggle:hover, .compare-toggle[aria-pressed="true"] { background: var(--cyan); color: var(--graphite); }
.compare-tray { position: fixed; right: 24px; bottom: 24px; z-index: 120; display: flex; align-items: center; gap: 22px; padding: 14px 16px; border: 1px solid var(--cyan); background: var(--graphite); color: var(--text); box-shadow: 0 20px 70px rgba(0,0,0,.45); font: 500 12px/1.4 var(--mono); }
.compare-tray[hidden] { display: none; }
.compare-tray div { display: flex; gap: 8px; }
.compare-tray button { min-height: 40px; padding: 0 12px; border: 1px solid var(--line); background: var(--panel); color: var(--text); font: 600 11px/1 var(--mono); cursor: pointer; }
.compare-tray button:first-child { border-color: var(--cyan); color: var(--cyan); }
.compare-tray button:disabled { opacity: .45; cursor: not-allowed; }
.compare-dialog { width: min(1040px, calc(100% - 32px)); max-height: min(760px, calc(100vh - 40px)); padding: 0; border: 1px solid var(--line); background: var(--graphite); color: var(--text); }
.compare-dialog::backdrop { background: rgba(4,5,7,.82); backdrop-filter: blur(8px); }
.compare-dialog-head { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; padding: 22px 24px; border-bottom: 1px solid var(--line); background: var(--graphite); }
.compare-dialog-head h2 { margin: 5px 0 0; font-size: clamp(26px,4vw,42px); }
.compare-dialog-head button { width: 44px; height: 44px; border: 1px solid var(--line); background: var(--panel); color: var(--text); font-size: 26px; cursor: pointer; }
[data-compare-content] { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); }
.compare-device { padding: 24px; }
.compare-device + .compare-device { border-left: 1px solid var(--line); }
.compare-device img { width: 100%; aspect-ratio: 4/3; object-fit: contain; background: var(--panel); }
.compare-device > span { display: block; margin-top: 18px; color: var(--cyan); font: 500 11px/1.2 var(--mono); text-transform: uppercase; }
.compare-device h3 { margin: 8px 0; font-size: 24px; }
.compare-device > strong { color: var(--cyan); font-size: 20px; }
.compare-device dl { margin: 20px 0 0; border-top: 1px solid var(--line); }
.compare-device dl div { display: grid; grid-template-columns: .8fr 1.2fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.compare-device dt { color: var(--muted); font: 500 11px/1.4 var(--mono); }
.compare-device dd { margin: 0; font-size: 13px; }
.delivery-options { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; margin: 0; padding: 0; border: 0; }
.delivery-options legend { grid-column: 1/-1; margin-bottom: 6px; font: 600 12px/1 var(--mono); }
.delivery-options label { display: flex; min-height: 50px; align-items: center; gap: 8px; padding: 12px; border: 1px solid var(--line); }
.delivery-options input { width: 18px; height: 18px; accent-color: var(--cyan); }
.warranty-note { display: grid; gap: 6px; margin-top: 24px; padding: 16px; border-left: 3px solid var(--cyan); background: var(--panel); }
.warranty-note span { color: var(--muted); font: 500 12px/1.5 var(--mono); }
@media (max-width: 720px) {
  .compare-tray { right: 12px; bottom: 12px; left: 12px; justify-content: space-between; }
  [data-compare-content] { grid-template-columns: 1fr; }
  .compare-device + .compare-device { border-top: 1px solid var(--line); border-left: 0; }
  .delivery-options { grid-template-columns: 1fr; }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--graphite); color: var(--text);
  font-family: var(--display); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
body, button, input, select, textarea { font-family: var(--display); }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; line-height: 1.05; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }

.shell { width: min(100% - 40px, var(--shell)); margin-inline: auto; }
.narrow { max-width: 760px; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1000; padding: 10px 14px; background: var(--cyan); color: var(--graphite); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

.mono-tag, .eyebrow, .mono-label, .rail-label {
  display: inline-block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--cyan); text-transform: none; margin-bottom: 16px; font-weight: 500;
}
.eyebrow::before { content: "// "; }

/* buttons */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; font-family: var(--mono);
  font-size: 13px; letter-spacing: 0.02em; padding: 13px 24px; border: 1px solid var(--line);
  background: transparent; color: var(--text); transition: all 0.15s ease; border-radius: 2px;
}
.button:hover { border-color: var(--cyan); color: var(--cyan); }
.button.primary { background: var(--cyan); color: var(--graphite); border-color: var(--cyan); font-weight: 600; }
.button.primary:hover { background: var(--cyan-dim); border-color: var(--cyan-dim); color: var(--graphite); }
.button.small { min-height: 44px; padding: 9px 16px; font-size: 12px; }
.button.light { background: var(--text); color: var(--graphite); border-color: var(--text); }
.button.danger { border-color: var(--danger); color: var(--danger); }
.button:disabled { opacity: 0.45; cursor: not-allowed; }

.text-link { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 13px; color: var(--text); border-bottom: 1px solid var(--cyan); padding-bottom: 3px; transition: color 0.15s ease; }
.text-link span { transition: transform 0.18s ease; }
.text-link:hover { color: var(--cyan); }
.text-link:hover span { transform: translateX(4px); }

/* utility + header */
.demo-utility { background: #08090b; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 12px; color: var(--muted); }
.demo-utility .shell { display: flex; justify-content: space-between; padding: 9px 0; }
.demo-utility a { color: var(--cyan); }
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(14,15,18,0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; padding: 16px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: -0.02em; }
.brand-mark { color: var(--cyan); font-size: 20px; }
.main-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.main-nav > a { font-family: var(--mono); font-size: 13px; color: var(--muted); transition: color 0.15s ease; }
.main-nav > a:hover, .main-nav > a[aria-current="page"] { color: var(--text); }
.main-nav .admin-nav-link { color: var(--cyan); }
.cart-link { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 13px; border: 1px solid var(--line); padding: 9px 16px; border-radius: 2px; transition: border-color 0.15s ease; }
.cart-link:hover, .cart-link.is-active { border-color: var(--cyan); }
.cart-link strong { color: var(--cyan); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; margin-left: auto; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); display: block; }

/* hero */
.hero { position: relative; min-height: 78vh; display: flex; align-items: center; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.74; }
.hero-veil { position: absolute; inset: 0; background: linear-gradient(90deg, var(--graphite) 10%, rgba(14,15,18,0.72) 43%, rgba(14,15,18,0.16) 72%, rgba(14,15,18,0.04) 100%); }
.hero-inner { position: relative; padding: 90px 0; max-width: 720px; }
.hero h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); font-weight: 700; text-wrap: balance; }
.hero-inner p { color: var(--muted); font-size: clamp(1rem, 2vw, 1.25rem); margin-top: 20px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-status { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 40px; font-family: var(--mono); font-size: 12px; color: var(--steel); }
.hero-status span::before { content: ""; display: inline-block; width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; margin-right: 8px; vertical-align: middle; }

/* category filter chips */
.cat-filter { border-bottom: 1px solid var(--line); background: var(--panel); }
.cat-filter-inner { display: flex; align-items: center; gap: 20px; padding: 18px 0; }
.mono-label { margin: 0; color: var(--steel); flex: 0 0 auto; }
.cat-chips { display: flex; gap: 10px; overflow-x: auto; scrollbar-width: none; }
.cat-chips::-webkit-scrollbar { display: none; }
.chip { flex: 0 0 auto; font-family: var(--mono); font-size: 13px; color: var(--muted); border: 1px solid var(--line); padding: 8px 16px; border-radius: 2px; white-space: nowrap; transition: all 0.15s ease; }
.chip:hover, .chip[aria-current="page"] { border-color: var(--cyan); color: var(--cyan); }

/* sections */
.section { padding: 72px 0; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 40px; flex-wrap: wrap; }
.section-head h2, .section-head h1 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
.section-head p { color: var(--muted); margin-top: 10px; }

/* product grid */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.product-card { background: var(--graphite); display: flex; flex-direction: column; transition: background 0.15s ease; }
.product-card:hover { background: var(--panel); }
.product-image { position: relative; display: block; aspect-ratio: 1; overflow: hidden; background: var(--panel-2); }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.product-card:hover .product-image img { transform: scale(1.05); }
.offer-flag { position: absolute; top: 12px; left: 12px; font-family: var(--mono); font-size: 11px; background: var(--cyan); color: var(--graphite); padding: 3px 8px; border-radius: 2px; z-index: 2; }
.product-body { padding: 20px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.pill { font-family: var(--mono); font-size: 11px; color: var(--steel); }
.product-body h3 { font-size: 1.2rem; }
.product-body h3 a:hover { color: var(--cyan); }
.product-body p { color: var(--muted); font-size: 14px; flex: 1; }
.product-foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); }
.product-foot > strong { font-family: var(--mono); font-size: 1.05rem; color: var(--text); }
.stock.out { font-family: var(--mono); font-size: 12px; color: var(--danger); }
.js-add-cart { background: transparent; color: var(--cyan); border: 1px solid var(--cyan); }
.js-add-cart:hover { background: var(--cyan); color: var(--graphite); }

/* spec sheet section */
.spec-sheet { padding: 80px 0; background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.spec-sheet-head { max-width: 640px; margin-bottom: 44px; }
.spec-sheet-head h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.spec-sheet-head p { color: var(--muted); margin-top: 14px; }
.spec-table { margin: 0; border-top: 1px solid var(--line); }
.spec-row { display: grid; grid-template-columns: 1fr 1.4fr; gap: 30px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.spec-row dt { font-family: var(--display); font-size: 1.25rem; font-weight: 600; margin: 0; }
.spec-row dd { margin: 0; color: var(--muted); }
.mono-key { display: block; font-family: var(--mono); font-size: 11px; color: var(--cyan); margin-bottom: 8px; letter-spacing: 0.1em; }

/* offer band */
.offer-band { padding: 70px 0; background: var(--graphite); }
.offer-band-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; border: 1px solid var(--line); border-left: 3px solid var(--cyan); padding: 40px; }
.offer-band-inner h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin: 6px 0; }
.offer-band-inner p { color: var(--muted); }

/* catalog page */
.catalog-page .section-head { margin-bottom: 26px; }
.category-switcher { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding: 20px 0; border-block: 1px solid var(--line); margin-bottom: 26px; }
.category-switcher > span { font-family: var(--mono); font-size: 12px; color: var(--steel); }
.category-switcher > div { display: flex; flex-wrap: wrap; gap: 8px; }
.category-switcher a { font-family: var(--mono); font-size: 13px; color: var(--muted); border: 1px solid var(--line); padding: 7px 14px; border-radius: 2px; }
.category-switcher a:hover, .category-switcher a[aria-current="page"] { border-color: var(--cyan); color: var(--cyan); }
.filters { margin-bottom: 30px; }
.filters form { display: flex; flex-wrap: wrap; gap: 16px; align-items: end; }
.filters label { display: flex; flex-direction: column; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--steel); }
.filters .search-field { flex: 1 1 420px; max-width: 620px; }
.filters .search-field input { width: 100%; }
.filters input, .filters select { min-height: 44px; background: var(--panel); border: 1px solid var(--line); color: var(--text); padding: 11px 14px; font-family: var(--display); border-radius: 2px; min-width: 220px; }
.filters input:focus, .filters select:focus { outline: none; border-color: var(--cyan); }
.empty-state { grid-column: 1 / -1; text-align: center; padding: 60px 20px; background: var(--graphite); color: var(--muted); }
.empty-state h2 { color: var(--text); margin-bottom: 10px; }

/* product detail */
.detail-page { padding-top: 56px; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.detail-media { background: var(--panel-2); border: 1px solid var(--line); }
.detail-media img { width: 100%; object-fit: cover; }
.detail-page h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 10px 0 16px; }
.detail-grid > div:last-child > p { color: var(--muted); }
.detail-price { display: block; font-family: var(--mono); font-size: 1.8rem; color: var(--cyan); margin: 20px 0; }
.spec-list { border-top: 1px solid var(--line); margin: 20px 0; }
.spec-list p { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--line); margin: 0; }
.spec-list b { font-family: var(--mono); font-size: 13px; color: var(--steel); font-weight: 500; }
.spec-list span { color: var(--text); text-align: right; }
.demo-note { font-family: var(--mono); font-size: 12px; color: var(--steel); margin-top: 16px; }
.detail-assurance { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 28px; border: 1px solid var(--line); }
.detail-assurance span { min-width: 0; padding: 14px; color: var(--muted); font-size: 12px; border-right: 1px solid var(--line); }
.detail-assurance span:last-child { border-right: 0; }
.detail-assurance b { display: block; font-family: var(--mono); font-size: 10px; font-weight: 500; color: var(--cyan); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; }

/* page intro (about/contact) */
.page-intro { padding: 70px 0 50px; border-bottom: 1px solid var(--line); }
.page-intro h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); margin-bottom: 18px; }
.page-intro .lead { color: var(--muted); font-size: 1.15rem; }
.intro-section { padding-top: 60px; }
.intro-section h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.split > div:first-child p { color: var(--muted); }
.feature-list { display: grid; gap: 2px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-grid p { color: var(--muted); }
.contact-lines { display: flex; flex-direction: column; gap: 8px; margin-top: 22px; font-family: var(--mono); font-size: 14px; color: var(--muted); }

/* forms */
.card-form { background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--cyan); padding: 34px; display: flex; flex-direction: column; gap: 16px; }
.card-form label { display: flex; flex-direction: column; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--steel); }
.card-form input, .card-form select, .card-form textarea { background: var(--graphite); border: 1px solid var(--line); color: var(--text); padding: 12px 14px; font-family: var(--display); border-radius: 2px; }
.card-form textarea { min-height: 110px; resize: vertical; }
.card-form input:focus, .card-form textarea:focus, .card-form select:focus { outline: none; border-color: var(--cyan); }
.card-form small { font-family: var(--mono); color: var(--steel); }

/* cart + checkout (JS-rendered) */
.cart-page h1, .checkout-page h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 10px 0 14px; }
.cart-page p, .checkout-page p { color: var(--muted); }
.checkout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
[data-cart-view], [data-checkout-summary] { margin-top: 24px; }
.cart-line { display: grid; grid-template-columns: 64px 1fr auto auto; gap: 18px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cart-line img { width: 64px; height: 64px; object-fit: cover; background: var(--panel-2); border: 1px solid var(--line); }
.cart-line img.is-fallback { opacity: 0.8; }
.cart-info { display: flex; flex-direction: column; gap: 4px; }
.cart-info strong { font-size: 1rem; }
.cart-info span { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.qty { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); border-radius: 2px; }
.qty button { width: 34px; height: 34px; background: transparent; border: 0; color: var(--text); cursor: pointer; font-size: 16px; }
.qty button:hover { color: var(--cyan); }
.qty span { min-width: 26px; text-align: center; font-family: var(--mono); }
.line-total { font-family: var(--mono); color: var(--cyan); text-align: right; }
.cart-total { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; margin-top: 8px; border-top: 2px solid var(--cyan); font-family: var(--mono); }
.cart-total strong { font-size: 1.4rem; color: var(--cyan); }
.cart-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }
.cart-actions [aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
.cart-empty { display: grid; grid-template-columns: minmax(220px, 0.7fr) 1fr; align-items: center; gap: 36px; padding: 30px; border: 1px solid var(--line); background: var(--panel); text-align: left; }
.cart-empty-media { overflow: hidden; border: 1px solid var(--line); background: var(--panel-2); }
.cart-empty-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.cart-empty-copy h2 { margin-bottom: 8px; }
.cart-empty-copy p { margin-bottom: 22px; }
.cart-empty-copy .button { min-height: 46px; }
.checkout-summary { border: 1px solid var(--line); }
.checkout-summary > div, .checkout-summary p, .checkout-summary h2 { display: flex; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 14px; margin: 0; }
.checkout-summary h2 { font-size: 1.1rem; border-bottom: 0; color: var(--cyan); }
.success-box { max-width: 640px; }
.success-box h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 12px 0; }
.success-box > p { color: var(--muted); }
.success-total { font-family: var(--mono); margin-top: 18px; }
.success-total strong { color: var(--cyan); }
.success-box .text-link { margin-top: 20px; }

/* flash */
.flash { padding: 14px 18px; margin: 16px auto; border-radius: 2px; font-family: var(--mono); font-size: 14px; border: 1px solid var(--line); background: var(--panel); }
.flash-success { border-left: 3px solid var(--cyan); color: var(--text); }
.flash-error { border-left: 3px solid var(--danger); color: var(--text); }
.flash-info { border-left: 3px solid var(--steel); color: var(--text); }
.notice { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--cyan); padding: 12px 16px; margin: 16px 0; font-family: var(--mono); font-size: 13px; color: var(--muted); }

/* footer */
.site-footer { background: #08090b; border-top: 1px solid var(--line); padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--line); }
.footer-brand p { color: var(--muted); margin-top: 14px; max-width: 320px; }
.brand-footer { font-size: 18px; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-nav strong, .footer-contact strong { font-family: var(--mono); font-size: 12px; color: var(--steel); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px; }
.footer-nav a, .footer-contact span { color: var(--muted); font-size: 14px; transition: color 0.15s ease; }
.footer-nav a:hover { color: var(--cyan); }
.footer-admin-link { color: var(--cyan); }
.footer-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding-top: 26px; font-family: var(--mono); font-size: 12px; color: var(--steel); }
.footer-base p { margin: 0; }

/* toast */
.cart-toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%) translateY(20px); background: var(--cyan); color: var(--graphite); padding: 12px 22px; border-radius: 2px; font-family: var(--mono); font-size: 14px; font-weight: 600; opacity: 0; visibility: hidden; pointer-events: none; transition: all 0.25s ease; z-index: 200; }
.cart-toast.is-visible { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ADMIN (dark themed, preserve structure) */
.admin-body { background: var(--panel); color: var(--text); font-family: var(--display); }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { background: var(--graphite); border: 1px solid var(--line); border-top: 3px solid var(--cyan); padding: 40px; width: min(400px, 100%); display: flex; flex-direction: column; gap: 14px; text-align: center; }
.login-card h1 { font-size: 2rem; }
.login-card p, .login-card small { color: var(--steel); font-family: var(--mono); font-size: 13px; }
.login-mark { width: 50px; height: 50px; background: var(--cyan); color: var(--graphite); display: grid; place-items: center; margin: 0 auto; font-weight: 700; font-size: 22px; }
.login-card label { text-align: left; display: flex; flex-direction: column; gap: 6px; font-family: var(--mono); font-size: 12px; color: var(--steel); }
.login-card input { background: var(--panel); border: 1px solid var(--line); color: var(--text); padding: 11px; border-radius: 2px; }
.admin-shell { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.admin-side { background: #08090b; border-right: 1px solid var(--line); padding: 28px 20px; }
.admin-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 26px; }
.admin-brand span { width: 32px; height: 32px; background: var(--cyan); color: var(--graphite); display: grid; place-items: center; }
.admin-side nav { display: flex; flex-direction: column; gap: 3px; }
.admin-side nav a { padding: 10px 14px; font-family: var(--mono); font-size: 13px; color: var(--muted); border-radius: 2px; }
.admin-side nav a:hover { background: var(--panel); color: var(--cyan); }
.admin-main { padding: 32px; }
.admin-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.admin-top h1 { font-size: 2rem; }
.admin-top span { font-family: var(--mono); font-size: 13px; color: var(--steel); }
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin-bottom: 24px; }
.metric { background: var(--graphite); border: 1px solid var(--line); border-left: 3px solid var(--cyan); padding: 22px; }
.metric span { font-family: var(--mono); font-size: 12px; color: var(--steel); }
.metric strong { display: block; font-family: var(--mono); font-size: 2.2rem; color: var(--cyan); margin-top: 6px; }
.admin-panel { background: var(--graphite); border: 1px solid var(--line); padding: 24px; margin-bottom: 20px; overflow-x: auto; }
.admin-panel h2 { margin-bottom: 12px; }
.form-grid { display: grid; gap: 16px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-family: var(--mono); font-size: 12px; color: var(--steel); }
.form-grid input, .form-grid select, .form-grid textarea { background: var(--panel); border: 1px solid var(--line); color: var(--text); padding: 11px; border-radius: 2px; }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.current-file { font-family: var(--mono); font-size: 12px; color: var(--steel); }
.admin-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.admin-tabs a { padding: 8px 15px; background: var(--graphite); border: 1px solid var(--line); font-family: var(--mono); font-size: 13px; }
.admin-tabs a.active { border-color: var(--cyan); color: var(--cyan); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); }
th { font-family: var(--mono); font-size: 12px; color: var(--steel); text-transform: uppercase; }
.table-action { display: inline-flex; gap: 8px; }
.danger-grid { display: grid; gap: 12px; }

/* responsive */
@media (max-width: 860px) {
  .admin-shell { grid-template-columns: minmax(0, 1fr); width: 100%; overflow: hidden; }
  .admin-side { min-width: 0; max-width: 100vw; padding: 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .admin-side nav { flex-direction: row; flex-wrap: wrap; gap: 4px; }
  .admin-side nav a { flex: 0 0 auto; }
  .admin-main { min-width: 0; padding: 20px; }
  .admin-top { align-items: flex-start; flex-direction: column; gap: 8px; }
  .metric-grid { grid-template-columns: 1fr; }
  .nav-toggle { position: relative; z-index: 81; display: flex; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }
  .site-header { backdrop-filter: none; background: var(--graphite); }
  .main-nav {
    position: fixed; inset: 0; background: var(--graphite); flex-direction: column; justify-content: center;
    gap: 26px; transform: translateX(100%); transition: transform 0.3s ease; z-index: 80; margin: 0;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav > a { display: flex; align-items: center; justify-content: center; min-height: 44px; padding-inline: 12px; font-size: 20px; }
  .detail-grid, .split, .contact-grid, .checkout-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .spec-row { grid-template-columns: 1fr; gap: 8px; }
  .cart-empty { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .cart-line { grid-template-columns: 52px 1fr; grid-template-areas: "img info" "qty total"; row-gap: 12px; }
  .cart-line img { grid-area: img; width: 52px; height: 52px; }
  .cart-info { grid-area: info; }
  .qty { grid-area: qty; justify-self: start; }
  .line-total { grid-area: total; text-align: right; align-self: center; }
  .filters input, .filters select { min-width: 0; width: 100%; }
  .filters label { width: 100%; }
  .hero-bg { object-position: 63% center; opacity: 0.66; }
  .hero-veil { background: linear-gradient(180deg, rgba(14,15,18,0.42) 0%, rgba(14,15,18,0.78) 70%, var(--graphite) 100%); }
  .detail-assurance { grid-template-columns: 1fr; }
  .detail-assurance span { border-right: 0; border-bottom: 1px solid var(--line); }
  .detail-assurance span:last-child { border-bottom: 0; }
  .cart-empty { padding: 18px; gap: 22px; }
  .cart-link, .chip, .category-switcher a, .js-add-cart, .button.small, .qty button { min-height: 44px; }
  .chip, .category-switcher a { display: inline-flex; align-items: center; }
  .js-add-cart { font-size: 13px; }
  .qty button { width: 44px; height: 44px; }
}

.legal-page { padding-block: clamp(72px, 9vw, 120px); }
.legal-page h1 { max-width: 12ch; margin: 14px 0 32px; font-size: clamp(46px, 8vw, 82px); line-height: .95; }
.legal-page h2 { margin: 38px 0 10px; font-size: clamp(24px, 3vw, 36px); }
.legal-page p { max-width: 68ch; color: var(--muted); }
.legal-note { margin-top: 40px; padding: 18px 0; border-block: 1px solid currentColor; font-weight: 700; }
/* Keep device bundles visually distinct in cart and checkout review. */
[data-cart-view] { display: grid; gap: 14px; }
[data-cart-view] .cart-line { margin: 0; padding: 16px; border: 1px solid var(--line); background: var(--panel); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }