:root {
  --bg: #f7f7f9;
  --card: #ffffff;
  --ink: #1f2430;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #4f46e5;
  --brand-ink: #ffffff;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.page { padding-top: 24px; padding-bottom: 48px; min-height: 60vh; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* Header / nav */
.site-header { background: var(--card); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; }
.brand { font-weight: 800; font-size: 1.25rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.main-nav { display: flex; align-items: center; gap: 16px; }
.main-nav a { color: var(--ink); }
.nav-user { font-weight: 600; color: var(--brand); }
.cart-count {
  display: inline-block; min-width: 20px; padding: 0 6px;
  background: var(--brand); color: #fff; border-radius: 999px;
  font-size: 0.75rem; text-align: center;
}
.linklike { background: none; border: none; color: var(--ink); cursor: pointer; font: inherit; padding: 0; }
.auth-only { display: none; }

/* Hero */
.hero { position: relative; border-radius: var(--radius); overflow: hidden; margin: 8px 0 16px; }
.hero-img { display: block; width: 100%; height: 260px; object-fit: cover; }
.hero-copy { position: absolute; left: 28px; bottom: 20px; color: #fff; text-shadow: 0 1px 6px rgba(0,0,0,.4); }
.hero-copy h1 { margin: 0; font-size: 1.9rem; }
.hero-copy p { margin: 4px 0 0; }

/* Promo banner — intentionally no width/height attributes on the <img>. */
.promo { display: block; width: 100%; border-radius: var(--radius); margin: 8px 0 20px; }

/* Filter bar — min-width forces horizontal overflow on very narrow viewports. */
.filter-bar {
  display: flex; align-items: center; gap: 8px;
  min-width: 480px;
  padding: 10px 0 4px;
  overflow: visible;
}
.filter-label { font-weight: 600; }
.chip {
  border: 1px solid var(--line); background: var(--card);
  border-radius: 999px; padding: 6px 14px; cursor: pointer; white-space: nowrap;
}

.section-title { font-size: 1.15rem; margin: 20px 0 12px; }

/* Product grid */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; }
.product-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; color: var(--ink); display: flex; flex-direction: column;
}
.product-card:hover { text-decoration: none; box-shadow: 0 6px 18px rgba(0,0,0,.06); }
.thumb {
  height: 130px; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 2.4rem; font-weight: 800;
}
.thumb.small { height: 70px; font-size: 1.4rem; border-radius: 10px; }
.product-card-body { padding: 12px 14px 16px; }
.product-card-body h3 { margin: 0 0 2px; font-size: 1rem; }
.price-row { display: flex; align-items: baseline; justify-content: space-between; margin-top: 8px; }
.price { font-weight: 800; }

/* Product detail */
.back-link { display: inline-block; margin-bottom: 12px; }
.product-detail { display: grid; grid-template-columns: 320px 1fr; gap: 28px; align-items: start; }
.detail-thumb {
  height: 260px; border-radius: var(--radius); display: flex; align-items: center;
  justify-content: center; color: #fff; font-size: 4rem; font-weight: 800;
}
.detail-info h1 { margin: 4px 0 8px; }
.detail-price { font-size: 1.6rem; font-weight: 800; margin: 0 0 12px; }
.detail-actions { margin-top: 18px; display: flex; align-items: center; gap: 12px; }
.rec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.rec-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px; display: flex; flex-direction: column; gap: 6px; color: var(--ink);
}

/* Buttons */
.btn {
  display: inline-block; border: 1px solid transparent; border-radius: 10px;
  padding: 10px 18px; font-weight: 600; cursor: pointer; font-size: 1rem;
}
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { text-decoration: none; filter: brightness(1.05); }
.btn-block { width: 100%; margin-top: 12px; }
.btn-ghost { background: none; border: 1px solid var(--line); color: var(--ink); }

/* Forms */
.narrow { max-width: 460px; }
.stack-form { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.stack-form label { font-weight: 600; margin-top: 8px; }
.stack-form input, .stack-form textarea {
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font: inherit;
}
.stack-form button { margin-top: 16px; align-self: flex-start; }
.form-status { min-height: 1.2em; margin-top: 10px; }
.form-status.error { color: #b91c1c; }
.form-status.ok { color: #15803d; }

/* Cart / checkout tables */
.cart-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cart-table th, .cart-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.cart-table tfoot td { font-weight: 700; border-bottom: none; }
.total-label { text-align: right; }
.cart-actions { margin-top: 16px; }
.checkout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.qty-input { width: 56px; padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; }

/* Orders */
.order-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.order-head { display: flex; justify-content: space-between; margin-bottom: 8px; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; background: #eef2ff; color: var(--brand); font-size: 0.8rem; }

.confirmation { text-align: center; padding-top: 30px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--card); padding: 24px 0; margin-top: 40px; }
.newsletter { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.newsletter input { padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; font: inherit; }
.newsletter button { padding: 8px 16px; border-radius: 8px; border: none; background: var(--brand); color: #fff; cursor: pointer; }

@media (max-width: 720px) {
  .product-detail { grid-template-columns: 1fr; }
  .checkout-grid { grid-template-columns: 1fr; }
}