/* PJA Toys - Mobile-first styles (V1, vanilla CSS only) */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --dark: #1d3557;
  --bg: #f8f9fa;
  --card: #ffffff;
  --text: #222222;
  --muted: #6c757d;
  --border: #e0e0e0;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; max-width: 1100px; margin: 0 auto; }
.logo { font-size: 1.4rem; font-weight: 800; color: var(--primary); text-decoration: none; }
.nav-toggle { font-size: 1.5rem; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 4px 10px; cursor: pointer; }
.cart-link { text-decoration: none; font-size: 1.2rem; position: relative; }
.cart-badge { background: var(--primary); color: #fff; border-radius: 999px; font-size: 0.75rem; padding: 1px 7px; vertical-align: top; }
.main-nav { display: none; flex-direction: column; padding: 0 16px 12px; gap: 4px; }
.main-nav.open { display: flex; }
.main-nav a { padding: 10px 8px; text-decoration: none; color: var(--dark); border-radius: 8px; }
.main-nav a.active, .main-nav a:hover { background: #ffe5e7; color: var(--primary-dark); }

/* Flash */
.flash { max-width: 1100px; margin: 12px auto; padding: 12px 16px; border-radius: var(--radius); }
.flash-success { background: #d4edda; color: #155724; }
.flash-error { background: #f8d7da; color: #721c24; }
.flash-info { background: #d1ecf1; color: #0c5460; }

/* Hero */
.hero { background: linear-gradient(135deg, #e63946, #f4a261); color: #fff; border-radius: var(--radius); padding: 32px 20px; text-align: center; margin: 16px 0; }
.hero h1 { margin: 0 0 8px; font-size: 1.8rem; }
.hero p { margin: 0 0 16px; }
.btn { display: inline-block; background: var(--primary); color: #fff; padding: 12px 20px; border-radius: var(--radius); text-decoration: none; border: none; cursor: pointer; font-size: 1rem; width: 100%; text-align: center; }
.btn:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--dark); }
.btn-outline { background: #fff; color: var(--primary); border: 1px solid var(--primary); }

/* Grids */
.section-title { font-size: 1.25rem; margin: 24px 0 12px; color: var(--dark); }
.grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.card img { width: 100%; height: 180px; object-fit: cover; background: #eee; display: block; }
.card-body { padding: 12px; }
.card-body h3 { margin: 0 0 6px; font-size: 1rem; }
.price { font-weight: 700; color: var(--primary); }
.old-price { color: var(--muted); text-decoration: line-through; font-size: 0.9rem; margin-left: 6px; }
.badge { display: inline-block; font-size: 0.75rem; background: #ffd166; border-radius: 999px; padding: 2px 8px; margin-right: 4px; }

/* Forms */
.form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; max-width: 520px; margin: 16px auto; }
.form label { display: block; margin: 10px 0 4px; font-weight: 600; }
.form input, .form select, .form textarea { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; }
.form-error { color: #721c24; background: #f8d7da; padding: 8px; border-radius: 8px; margin: 8px 0; }

/* Shop */
.shop-filters { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; margin: 12px 0; }
.filter-row { margin-bottom: 8px; }
.filter-row input[type="search"] { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; }
.filter-grid { display: grid; grid-template-columns: 1fr; gap: 8px; }
.filter-grid select { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; }
.result-count { color: var(--muted); }
.card-body h3 a { color: var(--dark); text-decoration: none; }
.card-body h3 a:hover { color: var(--primary-dark); }
.stock { font-size: 0.9rem; margin: 6px 0; }
.stock-in { color: #2a7a2a; }
.stock-out { color: var(--primary-dark); }
.pagination { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0; align-items: center; }
.pagination a, .page-current { padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; text-decoration: none; background: var(--card); color: var(--dark); }
.page-current { background: var(--primary); color: #fff; border-color: var(--primary); }
.nav-cat { padding: 10px 8px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; max-width: 220px; }

/* Product detail */
.breadcrumb { color: var(--muted); font-size: 0.9rem; }
.breadcrumb a { color: var(--dark); }
.product-detail { display: grid; grid-template-columns: 1fr; gap: 16px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.product-media img { width: 100%; max-height: 420px; object-fit: contain; background: #eee; border-radius: 8px; }
.product-info h1 { margin-top: 0; font-size: 1.4rem; }
.muted { color: var(--muted); }
.price.big { font-size: 1.5rem; }
.detail-price { margin: 8px 0; }
.specs { list-style: none; padding: 0; }
.specs li { padding: 4px 0; border-bottom: 1px dashed var(--border); }
.add-cart { display: grid; grid-template-columns: 1fr; gap: 8px; max-width: 320px; }
.add-cart input[type="number"] { padding: 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; width: 100%; }

/* Cart + checkout */
.cart-row { display: grid; grid-template-columns: 120px 1fr; gap: 8px; margin-bottom: 12px; }
.cart-row img { width: 100%; height: 120px; object-fit: cover; }
.cart-qty { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.cart-qty input[type="number"] { padding: 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; width: 90px; }
.cart-summary { margin-top: 12px; }
.checkout-block { margin-bottom: 12px; }

/* Footer */
.site-footer { margin-top: 32px; padding: 20px 0; background: var(--dark); color: #fff; text-align: center; }
.site-footer a { color: #ffd166; }

/* Tablets */
@media (min-width: 768px) {
  .btn { width: auto; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: none; }
  .main-nav { display: flex; flex-direction: row; gap: 8px; align-items: center; max-width: 1100px; margin: 0 auto; }
  .hero h1 { font-size: 2.4rem; }
  .filter-grid { grid-template-columns: 1fr 1fr auto; align-items: end; }
  .product-detail { grid-template-columns: 1fr 1fr; }
}

/* Desktop */
@media (min-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .grid { grid-template-columns: repeat(3, 1fr); }
}