/* =========================================================
   ESTILOS GENERALES — Mobile First
   ========================================================= */
:root {
  --color-primary: #16a34a;
  --color-primary-dark: #15803d;
  --color-accent: #ea580c;
  --color-dark: #111827;
  --color-gray: #6b7280;
  --color-light-gray: #f3f4f6;
  --color-border: #e5e7eb;
  --color-danger: #dc2626;
  --color-success: #16a34a;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --max-width: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-dark);
  background: #fff;
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 16px; }
button { font-family: inherit; cursor: pointer; }

/* Foco visible para accesibilidad */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- HEADER ---------- */
.site-header { border-bottom: 1px solid var(--color-border); position: sticky; top: 0; background: #fff; z-index: 50; }
.header-top { display: flex; align-items: center; gap: 12px; padding: 12px 16px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; flex: 0 0 auto; line-height: 0; }
.logo-text { font-size: 1.3rem; font-weight: 800; color: var(--color-primary-dark); }
.logo img { width: auto; max-width: 190px; max-height: 64px; object-fit: contain; }
.menu-toggle { background: none; border: none; width: 30px; height: 24px; display: flex; flex-direction: column; justify-content: space-between; padding: 0; }
.menu-toggle span { display: block; height: 3px; background: var(--color-dark); border-radius: 2px; }
.search-form { flex: 1 1 100%; order: 3; display: flex; margin-top: 8px; }
.search-form input { flex: 1; padding: 10px 14px; border: 1px solid var(--color-border); border-radius: var(--radius) 0 0 var(--radius); font-size: 1rem; }
.search-form button { padding: 0 16px; border: 1px solid var(--color-primary); background: var(--color-primary); color: #fff; border-radius: 0 var(--radius) var(--radius) 0; }
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.btn-whatsapp-header { background: #25D366; color: #fff; padding: 8px 14px; border-radius: 999px; font-weight: 600; font-size: 0.9rem; }
.cart-icon { position: relative; font-size: 1.4rem; }
.cart-count { position: absolute; top: -8px; right: -12px; background: var(--color-accent); color: #fff; font-size: 0.7rem; font-weight: 700; border-radius: 999px; padding: 1px 6px; min-width: 18px; text-align: center; }

.main-nav { display: none; background: var(--color-light-gray); }
.main-nav.open { display: block; }
.main-nav ul { list-style: none; margin: 0; padding: 8px 16px; }
.main-nav li { border-bottom: 1px solid var(--color-border); }
.main-nav a { display: block; padding: 12px 4px; font-weight: 600; }
.main-nav .submenu { display: none; padding-left: 16px; background: #fff; }
.main-nav .has-submenu.open .submenu { display: block; }

@media (min-width: 900px) {
  .header-top { flex-wrap: nowrap; }
  .menu-toggle { display: none; }
  .search-form { order: 0; flex: 1 1 auto; max-width: 420px; margin: 0 16px; }
  .main-nav { display: block !important; }
  .main-nav ul { display: flex; gap: 24px; padding: 10px 16px; max-width: var(--max-width); margin: 0 auto; }
  .main-nav li { border-bottom: none; position: relative; }
  .main-nav .has-submenu:hover .submenu { display: block; }
  .main-nav .submenu { position: absolute; top: 100%; left: 0; min-width: 200px; box-shadow: var(--shadow); border-radius: var(--radius); z-index: 20; }
}

/* ---------- FLASH MESSAGES ---------- */
.flash { padding: 12px 16px; border-radius: var(--radius); margin: 12px auto; font-weight: 600; }
.flash-success { background: #dcfce7; color: #166534; }
.flash-error { background: #fee2e2; color: #991b1b; }

/* ---------- HERO / BANNERS ---------- */
.hero-slide { position: relative; min-height: 260px; display: flex; align-items: center; color: #fff; background-size: cover; background-position: center; }
.hero-slide::before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0.4); }
.hero-content { position: relative; padding: 32px 16px; max-width: var(--max-width); margin: 0 auto; }
.hero-content h1, .hero-content h2 { font-size: 1.8rem; margin: 0 0 8px; }
.hero-content p { margin: 0 0 16px; font-size: 1.05rem; }
.btn { display: inline-block; padding: 12px 24px; border-radius: var(--radius); font-weight: 700; background: var(--color-accent); color: #fff; border: none; }
.btn-primary { background: var(--color-primary); }
.btn-secondary { background: transparent; border: 2px solid #fff; }
.btn-outline { background: transparent; border: 2px solid var(--color-primary); color: var(--color-primary); }
.btn-block { display: block; width: 100%; text-align: center; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------- SECTIONS ---------- */
section.section { padding: 32px 0; }
.section-title { font-size: 1.4rem; margin: 0 0 16px; font-weight: 800; }
.section-title.center { text-align: center; }

/* ---------- CATEGORY GRID ---------- */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.category-card { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3; background: var(--color-light-gray); }
.category-card img { width: 100%; height: 100%; object-fit: cover; }
.category-card .label { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(transparent, rgba(0,0,0,0.7)); color: #fff; padding: 20px 12px 10px; font-weight: 700; }

/* ---------- PRODUCT GRID / CARD ---------- */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.product-card { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; background: #fff; display: flex; flex-direction: column; position: relative; }
.product-card .badge { position: absolute; top: 8px; left: 8px; background: var(--color-accent); color: #fff; font-size: 0.7rem; font-weight: 700; padding: 3px 8px; border-radius: 999px; z-index: 2; }
.product-card .badge.badge-new { background: var(--color-primary); }
.product-card .thumb { aspect-ratio: 1/1; background: var(--color-light-gray); overflow: hidden; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-card .info { padding: 10px 12px 14px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.product-card .name { font-size: 0.92rem; font-weight: 600; min-height: 2.5em; }
.product-card .price-row { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.price-old { text-decoration: line-through; color: var(--color-gray); font-size: 0.85rem; }
.price-final { font-weight: 800; font-size: 1.1rem; color: var(--color-dark); }
.price-savings { font-size: 0.75rem; color: var(--color-primary-dark); }
.stock-label { font-size: 0.8rem; }
.stock-ok { color: var(--color-success); }
.stock-low { color: var(--color-accent); }
.stock-out { color: var(--color-danger); font-weight: 700; }
.product-card .btn { margin-top: auto; font-size: 0.85rem; padding: 10px; }


@media (max-width: 599px) {
  .logo img { max-width: 150px; max-height: 54px; }
  .header-top { padding-top: 10px; padding-bottom: 10px; }
  .footer-logo { max-width: 170px; max-height: 62px; }
}

@media (min-width: 600px) {
  .category-grid { grid-template-columns: repeat(4, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 980px) {
  .product-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- BREADCRUMBS ---------- */
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 0; margin: 0; font-size: 0.85rem; color: var(--color-gray); }
.breadcrumbs li:not(:last-child)::after { content: "›"; margin-left: 6px; }
.breadcrumbs a { color: var(--color-primary-dark); }

/* ---------- PRODUCT PAGE ---------- */
.product-detail { display: grid; gap: 24px; padding: 16px 0; }
.gallery-main { aspect-ratio: 1/1; background: var(--color-light-gray); border-radius: var(--radius); overflow: hidden; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 8px; margin-top: 8px; overflow-x: auto; }
.gallery-thumbs img { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; border: 2px solid transparent; cursor: pointer; }
.gallery-thumbs img.active { border-color: var(--color-primary); }
.product-info h1 { font-size: 1.5rem; margin: 0 0 4px; }
.product-info .brand-sku { color: var(--color-gray); font-size: 0.85rem; margin-bottom: 8px; }
.product-info .price-block { margin: 16px 0; }
.qty-selector { display: flex; align-items: center; gap: 8px; margin: 16px 0; }
.qty-selector button { width: 38px; height: 38px; border: 1px solid var(--color-border); background: #fff; border-radius: 8px; font-size: 1.2rem; }
.qty-selector input { width: 56px; text-align: center; padding: 8px; border: 1px solid var(--color-border); border-radius: 8px; }
.product-description { margin-top: 24px; line-height: 1.7; }

@media (min-width: 800px) {
  .product-detail { grid-template-columns: 1fr 1fr; align-items: start; }
}

/* ---------- CART ---------- */
.cart-table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.cart-table th, .cart-table td { padding: 10px; border-bottom: 1px solid var(--color-border); text-align: left; font-size: 0.9rem; }
.cart-item-name { display: flex; align-items: center; gap: 10px; }
.cart-item-name img { width: 50px; height: 50px; object-fit: cover; border-radius: 6px; }
.cart-qty-form { display: flex; align-items: center; gap: 6px; }
.cart-qty-form input { width: 50px; padding: 6px; border: 1px solid var(--color-border); border-radius: 6px; }
.cart-summary { max-width: 360px; margin-left: auto; padding: 16px; border: 1px solid var(--color-border); border-radius: var(--radius); }
.cart-summary .row { display: flex; justify-content: space-between; margin-bottom: 8px; }
.cart-summary .total { font-weight: 800; font-size: 1.2rem; border-top: 1px solid var(--color-border); padding-top: 8px; }
.empty-state { text-align: center; padding: 48px 16px; color: var(--color-gray); }

/* ---------- FORMS ---------- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px; border: 1px solid var(--color-border); border-radius: 8px; font-size: 1rem; font-family: inherit;
}
.form-group .hint { color: var(--color-gray); font-size: 0.8rem; margin-top: 4px; }
.form-error { color: var(--color-danger); font-size: 0.85rem; margin-top: 4px; }
fieldset { border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 20px; padding: 16px; }
legend { font-weight: 700; padding: 0 8px; }

/* ---------- TRUST / FAQ ---------- */
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; text-align: center; }
.trust-item { padding: 16px; }
.faq-item { border-bottom: 1px solid var(--color-border); padding: 12px 0; }
.faq-item summary { font-weight: 700; cursor: pointer; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--color-dark); color: #d1d5db; margin-top: 48px; }
.footer-grid { display: grid; gap: 24px; padding: 32px 16px; grid-template-columns: 1fr; }
.footer-logo { width: auto; max-width: 190px; max-height: 72px; object-fit: contain; margin-bottom: 12px; }
.footer-description { max-width: 280px; margin: 0; line-height: 1.55; }
.footer-col h4 { color: #fff; margin-bottom: 12px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: #d1d5db; }
.footer-col a:hover { color: #fff; }
.social-links { display: flex; gap: 12px; margin-top: 8px; }
.footer-bottom { text-align: center; padding: 16px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.85rem; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- WHATSAPP FLOAT ---------- */
.whatsapp-float {
  position: fixed; bottom: 20px; right: 20px; background: #25D366; color: #fff;
  width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; box-shadow: var(--shadow); z-index: 60;
}

/* ---------- ADMIN ---------- */
.admin-body { background: var(--color-light-gray); font-family: var(--font); margin: 0; }
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar { width: 220px; background: var(--color-dark); color: #fff; flex-shrink: 0; }
.admin-sidebar h2 { padding: 20px 16px; font-size: 1.1rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
.admin-sidebar ul { list-style: none; padding: 0; margin: 0; }
.admin-sidebar a { display: block; padding: 12px 16px; color: #d1d5db; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,0.08); color: #fff; }
.admin-content { flex: 1; padding: 24px; overflow-x: auto; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.admin-card { background: #fff; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px; }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 20px; }
.stat-card { background: #fff; border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.stat-card .value { font-size: 1.6rem; font-weight: 800; }
.stat-card .label { color: var(--color-gray); font-size: 0.85rem; }
.admin-table { width: 100%; border-collapse: collapse; background: #fff; }
.admin-table th, .admin-table td { padding: 10px 12px; border-bottom: 1px solid var(--color-border); font-size: 0.9rem; text-align: left; }
.admin-table th { background: var(--color-light-gray); }
.status-pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 700; background: var(--color-light-gray); }
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--color-light-gray); }
.login-box { background: #fff; padding: 32px; border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; max-width: 360px; }
.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; border-radius: 6px; }
.btn-danger { background: var(--color-danger); color: #fff; }

@media (min-width: 900px) {
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 800px) {
  .admin-sidebar { position: fixed; left: -220px; top: 0; bottom: 0; transition: left 0.2s; z-index: 100; }
  .admin-sidebar.open { left: 0; }
}

/* Feedback y accesibilidad */
.toast { position:fixed; right:18px; bottom:18px; z-index:100; max-width:min(420px, calc(100vw - 36px)); padding:12px 16px; border-radius:10px; background:var(--color-dark); color:#fff; box-shadow:0 8px 30px rgba(0,0,0,.18); opacity:0; transform:translateY(10px); transition:opacity .2s ease, transform .2s ease; }
.toast.is-visible { opacity:1; transform:translateY(0); }
.checkoutForm.is-processing { opacity:.82; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior:auto; } *, *::before, *::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; } }
@media (max-width:600px) { .cart-table { display:block; overflow-x:auto; } .cart-table th, .cart-table td { white-space:nowrap; } .toast { right:12px; bottom:12px; } }