:root {
  --nk-primary: #0ea5e9;
  --nk-primary-dark: #0284c7;
  --nk-secondary: #0f172a;
  --nk-accent: #f59e0b;
  --nk-text: #f1f5f9;
  --nk-text-muted: #94a3b8;
  --nk-bg: #0f172a;
  --nk-bg-surface: #1e293b;
  --nk-border: #334155;
  --nk-radius: 6px;
  --nk-font-heading: "Inter", system-ui, sans-serif;
  --nk-font-mono: "JetBrains Mono", "Courier New", monospace;
  --nk-container-width: 1280px;
}

body {
  background: var(--nk-bg);
  color: var(--nk-text);
  font-family: Inter, system-ui, sans-serif;
}

.nk-electronics-shell {
  max-width: var(--nk-container-width);
  margin: 0 auto;
  padding: 0 24px 80px;
}

.nk-electronics-title {
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1;
}

.nk-electronics-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 28px;
}

.nk-electronics-sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  padding: 24px;
  background: var(--nk-bg-surface);
  border: 1px solid var(--nk-border);
  border-radius: var(--nk-radius);
}

.nk-electronics-sidebar__section + .nk-electronics-sidebar__section {
  margin-top: 24px;
}

.nk-electronics-sidebar__heading {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--nk-text-muted);
}

.nk-electronics-sidebar__link {
  display: block;
  padding: 7px 0;
  color: var(--nk-text-muted);
  text-decoration: none;
}

.nk-electronics-sidebar__link.is-active,
.nk-electronics-sidebar__link:hover {
  color: var(--nk-text);
}

.nk-electronics-sidebar__empty {
  color: var(--nk-text-muted);
}

.nk-furniture-room-scene {
  width: 100%;
}

.nk-furniture-room-scene__main img {
  width: 100%;
  object-fit: contain;
}

.nk-furniture-room-scene__thumbs {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.nk-furniture-room-scene__thumb {
  width: 72px;
  height: 72px;
  cursor: pointer;
  border: 1px solid var(--nk-border);
  overflow: hidden;
}

.nk-furniture-room-scene__thumb.is-active {
  border-color: var(--nk-primary);
}

.nk-furniture-room-scene__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nk-electronics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.nk-electronics-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.96));
  border: 1px solid var(--nk-border);
  border-radius: var(--nk-radius);
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(2, 8, 23, 0.36);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.nk-electronics-card:hover {
  transform: translateY(-4px);
  border-color: rgba(14, 165, 233, 0.6);
  box-shadow: 0 16px 38px rgba(14, 165, 233, 0.18);
}

.nk-electronics-card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at top, rgba(14, 165, 233, 0.12), transparent 55%), #0b1220;
}

.nk-electronics-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.nk-electronics-card__compare {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid var(--nk-border);
  color: var(--nk-text);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nk-electronics-card__body {
  padding: 18px;
}

.nk-electronics-card__title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.3;
}

.nk-electronics-card__title a {
  color: var(--nk-text);
  text-decoration: none;
}

.nk-electronics-card__model {
  margin-bottom: 14px;
  color: var(--nk-text-muted);
  font: 12px/1.4 var(--nk-font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nk-electronics-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.nk-electronics-card__spec {
  padding: 6px 10px;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.18);
  color: var(--nk-text);
  font-size: 11px;
  font-family: var(--nk-font-mono);
}

.nk-electronics-card__price {
  margin-bottom: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #7dd3fc;
}

.nk-electronics-card__rating {
  color: var(--nk-accent);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.nk-electronics-spec-table {
  background: var(--nk-bg-surface);
  border: 1px solid var(--nk-border);
  border-radius: var(--nk-radius);
  overflow: hidden;
}

.nk-electronics-spec-table table {
  width: 100%;
  border-collapse: collapse;
}

.nk-electronics-spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.nk-electronics-spec-table tr:nth-child(odd) {
  background: rgba(15, 23, 42, 0.3);
}

.nk-electronics-spec-table td:last-child {
  font-family: var(--nk-font-mono);
  color: #bfdbfe;
}

.nk-electronics-spec-table__toggle {
  width: 100%;
  padding: 14px 16px;
  border: 0;
  background: rgba(14, 165, 233, 0.12);
  color: var(--nk-text);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
}

@media (max-width: 1024px) {
  .nk-electronics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .nk-electronics-shell {
    padding-right: 16px;
    padding-left: 16px;
  }

  .nk-electronics-layout,
  .nk-electronics-grid {
    grid-template-columns: 1fr;
  }

  .nk-electronics-sidebar {
    position: static;
  }
}

/* --- Sticky ATC Bar (shared component) --- */
.nk-fashion-sticky-atc {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 12px 24px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--nk-surface, #fff);
  border-top: 1px solid var(--nk-border, #e5e7eb);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, .08);
}

.nk-fashion-sticky-atc.is-visible {
  display: flex;
}

.nk-fashion-sticky-atc__name {
  font-weight: 600;
  font-size: 15px;
}

.nk-fashion-sticky-atc__price {
  color: var(--nk-primary, #18181b);
  font-size: 15px;
}