:root {
  --bg: #0b0b0c;
  --surface: #121316;
  --text: #d9d9dc;
  --heading: #f5f5f6;
  --muted: #a4a4ab;
  --border: rgba(245, 245, 246, 0.2);
  --font-sans: Inter, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
}

.showcase {
  width: min(1080px, 100% - 48px);
  margin: 0 auto;
  padding: 72px 0 64px;
}

.hero {
  max-width: 72ch;
  margin-bottom: 34px;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  margin: 12px 0 14px;
  color: var(--heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.back-link {
  display: inline-flex;
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  color: var(--heading);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.back-link:hover {
  background: rgba(245, 245, 246, 0.1);
}

.feature-strip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 16px;
}

.feature-strip h2 {
  margin: 0 0 10px;
  color: var(--heading);
  font-size: 1rem;
}

.feature-strip ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.feature-strip li {
  margin: 6px 0;
}

.stack-strip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 16px;
}

.stack-strip h2 {
  margin: 0 0 10px;
  color: var(--heading);
  font-size: 1rem;
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack-list span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.shop-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
  gap: 16px;
}

.catalog-panel,
.cart-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.catalog-panel {
  padding: 18px;
}

.toolbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.toolbar-search {
  grid-column: span 3;
}

.toolbar-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toolbar-block label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.toolbar-block select {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--heading);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.toolbar-block input {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--heading);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.toolbar-block input::placeholder {
  color: var(--muted);
}

.results-count {
  margin: 14px 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.products {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.product-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}

.product-image-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 130px;
  margin-bottom: 12px;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
}

.product-image {
  max-height: 110px;
  max-width: 100%;
  object-fit: contain;
}

.product-category {
  margin: 0 0 6px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-card h3 {
  margin: 0 0 8px;
  color: var(--heading);
  font-size: 1.05rem;
}

.product-description {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.meta {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--heading);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.stock-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.add-button {
  margin-top: 14px;
  width: 100%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--heading);
  border-radius: 6px;
  padding: 9px 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.add-button:hover,
.checkout-button:hover,
.qty-button:hover {
  background: rgba(245, 245, 246, 0.1);
}

.cart-panel {
  padding: 18px;
  align-self: start;
}

.cart-panel h2 {
  margin: 0 0 12px;
  color: var(--heading);
  font-size: 1.1rem;
}

.cart-items {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.cart-status {
  min-height: 20px;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.84rem;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
}

.cart-item-name {
  margin: 0;
  color: var(--heading);
  font-size: 0.9rem;
}

.cart-item-price {
  margin: 4px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.qty-controls {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.qty-controls span {
  min-width: 16px;
  text-align: center;
  font-family: var(--font-mono);
}

.qty-button,
.checkout-button {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--heading);
  border-radius: 6px;
  font-family: var(--font-mono);
}

.qty-button {
  width: 24px;
  height: 24px;
  padding: 0;
  line-height: 1;
}

.checkout-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

.checkout-card h3 {
  margin: 0 0 10px;
  color: var(--heading);
  font-size: 0.94rem;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 6px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.summary-row.total {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  color: var(--heading);
  font-weight: 600;
}

.checkout-button {
  width: 100%;
  margin-top: 12px;
  padding: 9px 10px;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.checkout-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.empty-state {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .shop-layout {
    grid-template-columns: 1fr;
  }

  .products {
    grid-template-columns: 1fr;
  }

  .showcase {
    width: min(1080px, 100% - 32px);
    padding: 56px 0 48px;
  }

  .toolbar {
    grid-template-columns: 1fr;
  }
}