/* ─── Reset & Base ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --success: #10b981;
  --danger: #ef4444;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --border: #e2e8f0;
  --border-dark: #cbd5e1;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: .2s ease;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }
ul { list-style: none; }

/* ─── Container ─────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ─── Header ────────────────────────────────────────────── */
.header { background: var(--bg-white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 22px; color: var(--text); white-space: nowrap; }
.logo-icon { font-size: 28px; }
.logo-accent { color: var(--primary); }

.nav { display: flex; gap: 4px; margin-left: auto; }
.nav-link { padding: 8px 12px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; color: var(--text-muted); transition: var(--transition); white-space: nowrap; }
.nav-link:hover { background: var(--bg); color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 8px; margin-left: 16px; }
.btn-icon { width: 40px; height: 40px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 18px; transition: var(--transition); position: relative; }
.btn-icon:hover { background: var(--bg); color: var(--primary); }
.cart-badge { position: absolute; top: -2px; right: -2px; background: var(--danger); color: #fff; font-size: 11px; font-weight: 700; width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 2px solid #fff; }
.cart-badge.hidden { display: none; }

.search-bar { padding: 12px 0; border-top: 1px solid var(--border); display: none; }
.search-bar.open { display: block; }
.search-form { display: flex; gap: 8px; }
.search-input { flex: 1; padding: 10px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 15px; outline: none; transition: var(--transition); }
.search-input:focus { border-color: var(--primary); }
.search-submit { padding: 10px 20px; background: var(--primary); color: #fff; border-radius: var(--radius-sm); font-size: 15px; transition: var(--transition); }
.search-submit:hover { background: var(--primary-dark); }

.mobile-menu-btn { display: none; }

/* ─── Main ──────────────────────────────────────────────── */
.main-content { min-height: calc(100vh - 64px - 300px); }

/* ─── Hero ──────────────────────────────────────────────── */
.hero { background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%); color: #fff; padding: 80px 0; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -10%; width: 600px; height: 600px; background: rgba(255,255,255,.05); border-radius: 50%; }
.hero::after { content: ''; position: absolute; bottom: -30%; left: -5%; width: 400px; height: 400px; background: rgba(255,255,255,.04); border-radius: 50%; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.15); padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 500; margin-bottom: 20px; }
.hero h1 { font-size: clamp(32px, 4vw, 52px); font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.hero-desc { font-size: 18px; opacity: .85; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; }
.hero-stat-num { font-size: 28px; font-weight: 800; }
.hero-stat-label { font-size: 13px; opacity: .75; }
.hero-image { display: flex; justify-content: center; align-items: center; }
.hero-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero-card { background: rgba(255,255,255,.12); backdrop-filter: blur(10px); border-radius: var(--radius); padding: 20px; text-align: center; border: 1px solid rgba(255,255,255,.2); }
.hero-card-icon { font-size: 40px; margin-bottom: 8px; }
.hero-card-name { font-weight: 600; font-size: 14px; }

/* ─── Buttons ───────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; transition: var(--transition); cursor: pointer; border: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(37,99,235,.4); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: #f0f4ff; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 17px; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: .6; cursor: not-allowed; pointer-events: none; }

/* ─── Section ───────────────────────────────────────────── */
.section { padding: 60px 0; }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 36px; flex-wrap: wrap; gap: 16px; }
.section-title { font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: var(--text); }
.section-subtitle { color: var(--text-muted); margin-top: 6px; font-size: 15px; }
.section-link { font-size: 14px; color: var(--primary); font-weight: 500; display: flex; align-items: center; gap: 4px; }
.section-link:hover { gap: 8px; }

/* ─── Categories ────────────────────────────────────────── */
.categories-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.category-card { background: #f4f5f7; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); cursor: pointer; text-decoration: none; color: inherit; display: flex; flex-direction: column; }
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.category-header { padding: 28px 24px; }
.category-name { font-size: 18px; font-weight: 700; color: #1e293b; }
.category-count { font-size: 13px; color: var(--primary); font-weight: 500; margin-top: 6px; }
.category-img { display: none; }
.category-body { display: none; }
.category-icon { display: none; }
.category-desc { display: none; }

/* ─── Product Cards ─────────────────────────────────────── */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.product-card { background: var(--bg-white); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-img { height: 220px; overflow: hidden; position: relative; background: #f1f5f9; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-img img { transform: scale(1.05); }
.product-badges { position: absolute; top: 12px; left: 12px; display: flex; flex-direction: column; gap: 6px; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.badge-sale { background: var(--danger); color: #fff; }
.badge-new { background: var(--success); color: #fff; }
.badge-hit { background: var(--accent); color: #fff; }
.product-wish { position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.9); display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--text-muted); transition: var(--transition); opacity: 0; }
.product-card:hover .product-wish { opacity: 1; }
.product-wish:hover { color: var(--danger); background: #fff; }
.product-wish.active { color: var(--danger); opacity: 1; }

.product-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.product-category { font-size: 12px; color: var(--text-light); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; }
.product-name { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.product-name a { color: inherit; }
.product-name a:hover { color: var(--primary); }
.product-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.stars { color: var(--accent); font-size: 13px; letter-spacing: 1px; }
.rating-num { font-size: 13px; font-weight: 600; color: var(--text); }
.rating-count { font-size: 12px; color: var(--text-light); }

.product-price { display: flex; align-items: baseline; gap: 8px; margin-top: auto; margin-bottom: 12px; }
.price-current { font-size: 22px; font-weight: 800; color: var(--text); }
.price-old { font-size: 14px; color: var(--text-light); text-decoration: line-through; }
.price-discount { font-size: 12px; font-weight: 700; color: var(--danger); background: #fee2e2; padding: 2px 6px; border-radius: 4px; }

.product-actions { display: flex; gap: 8px; }
.btn-cart { flex: 1; padding: 10px; font-size: 14px; font-weight: 600; background: var(--primary); color: #fff; border-radius: var(--radius-sm); transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 6px; }
.btn-cart:hover { background: var(--primary-dark); }
.btn-cart.added { background: var(--success); }

/* ─── Features strip ────────────────────────────────────── */
.features-strip { background: var(--bg-white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.feature-item { display: flex; align-items: center; gap: 14px; padding: 24px 20px; border-right: 1px solid var(--border); }
.feature-item:last-child { border-right: none; }
.feature-icon { font-size: 32px; flex-shrink: 0; }
.feature-title { font-size: 14px; font-weight: 600; }
.feature-text { font-size: 12px; color: var(--text-muted); }

/* ─── Catalog page ──────────────────────────────────────── */
.catalog-layout { display: grid; grid-template-columns: 280px 1fr; gap: 32px; align-items: start; }
.filters-panel { background: var(--bg-white); border-radius: var(--radius); border: 1px solid var(--border); padding: 24px; position: sticky; top: 84px; }
.filters-title { font-size: 16px; font-weight: 700; margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center; }
.filter-group { margin-bottom: 24px; border-bottom: 1px solid var(--border); padding-bottom: 24px; }
.filter-group:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.filter-label { font-size: 13px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 12px; }
.filter-options { display: flex; flex-direction: column; gap: 8px; }
.filter-option { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.filter-option input { width: 16px; height: 16px; accent-color: var(--primary); }
.filter-option-label { font-size: 14px; color: var(--text); }
.filter-option-count { font-size: 12px; color: var(--text-light); margin-left: auto; }
.price-range { display: flex; gap: 8px; align-items: center; }
.price-input { width: 100%; padding: 8px 12px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; outline: none; }
.price-input:focus { border-color: var(--primary); }
.price-sep { color: var(--text-light); font-size: 16px; }

.catalog-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.catalog-count { font-size: 14px; color: var(--text-muted); }
.catalog-sort { display: flex; align-items: center; gap: 10px; }
.sort-select { padding: 8px 32px 8px 12px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; outline: none; cursor: pointer; appearance: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 10px center; }
.sort-select:focus { border-color: var(--primary); }

.active-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.active-filter { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; background: var(--primary-light); color: var(--primary); border-radius: 20px; font-size: 13px; font-weight: 500; }
.active-filter button { color: var(--primary); font-size: 12px; }

/* ─── Product page ──────────────────────────────────────── */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.product-gallery { position: sticky; top: 84px; }
.gallery-main { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 12px; background: #f8fafc; aspect-ratio: 1; position: relative; }
.gallery-main img { width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; transition: opacity .2s; }
.gallery-main:hover .gallery-zoom-hint { opacity: 1; }
.gallery-zoom-hint { position: absolute; bottom: 12px; right: 12px; background: rgba(0,0,0,.5); color: #fff; font-size: 11px; padding: 4px 10px; border-radius: 20px; opacity: 0; transition: opacity .2s; pointer-events: none; }
.gallery-nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.9); border: 1px solid var(--border); border-radius: 50%; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 14px; color: var(--text); box-shadow: var(--shadow-sm); transition: var(--transition); z-index: 2; }
.gallery-nav:hover { background: #fff; box-shadow: var(--shadow-md); color: var(--primary); }
.gallery-nav-prev { left: 10px; }
.gallery-nav-next { right: 10px; }
.gallery-thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.gallery-thumb { width: 72px; height: 72px; border-radius: var(--radius-sm); overflow: hidden; border: 2px solid var(--border); cursor: pointer; transition: var(--transition); flex-shrink: 0; }
.gallery-thumb:hover, .gallery-thumb.active { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-light); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

.product-info { }
.product-breadcrumb { display: flex; gap: 6px; align-items: center; font-size: 13px; color: var(--text-muted); margin-bottom: 16px; flex-wrap: wrap; }
.product-breadcrumb a:hover { color: var(--primary); }
.product-breadcrumb span { color: var(--text-light); }

.product-detail-name { font-size: clamp(22px, 3vw, 32px); font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.product-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.product-detail-rating { display: flex; align-items: center; gap: 8px; }
.stock-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 20px; font-size: 13px; font-weight: 500; }
.stock-badge.in-stock { background: #d1fae5; color: #065f46; }
.stock-badge.low-stock { background: #fef3c7; color: #92400e; }
.stock-badge.out-stock { background: #fee2e2; color: #991b1b; }

.product-price-block { background: var(--bg); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.product-price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.product-price-current { font-size: 36px; font-weight: 800; color: var(--text); }
.product-price-old { font-size: 18px; color: var(--text-light); text-decoration: line-through; }
.product-price-save { font-size: 13px; color: var(--danger); font-weight: 600; }
.product-qty { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.qty-label { font-size: 14px; color: var(--text-muted); }
.qty-control { display: flex; align-items: center; border: 1.5px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.qty-btn { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--text-muted); transition: var(--transition); }
.qty-btn:hover { background: var(--bg); color: var(--primary); }
.qty-num { width: 48px; text-align: center; font-size: 16px; font-weight: 600; border: none; outline: none; background: transparent; }
.product-cta { display: flex; gap: 12px; margin-bottom: 20px; }
.product-extras { display: flex; flex-wrap: wrap; gap: 12px; }
.product-extra { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.product-extra i { color: var(--success); }

.product-tabs { margin-bottom: 48px; }
.tabs-nav { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 24px; }
.tab-btn { padding: 12px 24px; font-size: 15px; font-weight: 600; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -2px; transition: var(--transition); }
.tab-btn:hover, .tab-btn.active { color: var(--primary); border-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

.features-table { width: 100%; border-collapse: collapse; }
.features-table tr:nth-child(even) td { background: var(--bg); }
.features-table td { padding: 12px 16px; border: 1px solid var(--border); font-size: 14px; }
.features-table td:first-child { font-weight: 600; width: 40%; color: var(--text-muted); }

.description-text { font-size: 15px; line-height: 1.8; color: var(--text); white-space: pre-line; }

/* ─── Reviews ───────────────────────────────────────────── */
.reviews-summary { display: flex; gap: 40px; align-items: center; background: var(--bg); border-radius: var(--radius); padding: 24px; margin-bottom: 32px; flex-wrap: wrap; }
.review-big-num { font-size: 64px; font-weight: 800; color: var(--text); line-height: 1; }
.review-big-stars { font-size: 24px; color: var(--accent); letter-spacing: 3px; }
.review-bars { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.review-bar-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.review-bar-bg { flex: 1; height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.review-bar-fill { height: 100%; background: var(--accent); border-radius: 4px; transition: width .5s ease; }
.review-bar-count { color: var(--text-muted); width: 24px; text-align: right; }

.reviews-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.review-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.review-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.reviewer-info { display: flex; align-items: center; gap: 12px; }
.reviewer-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; color: var(--primary); }
.reviewer-name { font-weight: 600; font-size: 15px; }
.reviewer-date { font-size: 12px; color: var(--text-muted); }
.review-text { font-size: 14px; line-height: 1.7; color: var(--text); }

.review-form { background: var(--bg); border-radius: var(--radius); padding: 32px; }
.review-form-title { font-size: 18px; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.form-label .required { color: var(--danger); }
.form-control { width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 15px; outline: none; transition: var(--transition); background: var(--bg-white); }
.form-control:focus { border-color: var(--primary); }
.form-control.error { border-color: var(--danger); }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

.star-rating { display: flex; gap: 8px; }
.star-btn { font-size: 28px; color: var(--border-dark); cursor: pointer; transition: var(--transition); }
.star-btn.active, .star-btn:hover { color: var(--accent); }

/* ─── Cart ──────────────────────────────────────────────── */
.cart-layout { display: grid; grid-template-columns: 1fr 380px; gap: 32px; align-items: start; }
.cart-items { display: flex; flex-direction: column; gap: 16px; }
.cart-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: flex; gap: 20px; align-items: center; transition: var(--transition); }
.cart-item:hover { box-shadow: var(--shadow-sm); }
.cart-item-img { width: 100px; height: 100px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
.cart-item-info { flex: 1 }
.cart-item-name { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.cart-item-name a:hover { color: var(--primary); }
.cart-item-category { font-size: 12px; color: var(--text-muted); }
.cart-item-price { font-size: 18px; font-weight: 800; color: var(--text); white-space: nowrap; }
.cart-item-old { font-size: 13px; color: var(--text-light); text-decoration: line-through; display: block; }
.cart-item-remove { color: var(--text-light); font-size: 18px; padding: 8px; transition: var(--transition); border-radius: var(--radius-sm); }
.cart-item-remove:hover { color: var(--danger); background: #fee2e2; }

.cart-summary { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; position: sticky; top: 84px; }
.summary-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.summary-row { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 12px; }
.summary-row-total { font-size: 18px; font-weight: 800; padding-top: 16px; border-top: 2px solid var(--border); margin-top: 8px; }
.summary-discount { color: var(--success); font-weight: 600; }
.promo-field { display: flex; gap: 8px; margin-bottom: 20px; }
.promo-input { flex: 1; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; outline: none; }
.promo-input:focus { border-color: var(--primary); }

.cart-empty { text-align: center; padding: 80px 20px; }
.cart-empty-icon { font-size: 80px; margin-bottom: 20px; }
.cart-empty h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.cart-empty p { color: var(--text-muted); margin-bottom: 32px; }

/* ─── Checkout ──────────────────────────────────────────── */
.checkout-layout { display: grid; grid-template-columns: 1fr 400px; gap: 40px; align-items: start; }
.checkout-form { }
.checkout-section { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; margin-bottom: 24px; }
.checkout-section-title { font-size: 18px; font-weight: 700; margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
.checkout-num { width: 30px; height: 30px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; flex-shrink: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.delivery-options, .payment-options { display: flex; flex-direction: column; gap: 12px; }
.delivery-option, .payment-option { display: flex; align-items: flex-start; gap: 14px; padding: 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; transition: var(--transition); }
.delivery-option.selected, .payment-option.selected { border-color: var(--primary); background: var(--primary-light); }
.delivery-option input, .payment-option input { margin-top: 2px; accent-color: var(--primary); }
.delivery-option-name, .payment-option-name { font-weight: 600; font-size: 14px; }
.delivery-option-desc, .payment-option-desc { font-size: 12px; color: var(--text-muted); }
.delivery-price { margin-left: auto; font-weight: 700; font-size: 14px; color: var(--success); white-space: nowrap; }

.order-review { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; position: sticky; top: 84px; }
.order-review-items { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.order-item-mini { display: flex; gap: 12px; align-items: center; }
.order-item-mini img { width: 56px; height: 56px; object-fit: cover; border-radius: var(--radius-sm); }
.order-item-mini-name { font-size: 13px; font-weight: 600; flex: 1; }
.order-item-mini-qty { font-size: 12px; color: var(--text-muted); }
.order-item-mini-price { font-size: 14px; font-weight: 700; white-space: nowrap; }

/* ─── Success page ──────────────────────────────────────── */
.success-page { text-align: center; padding: 80px 20px; max-width: 600px; margin: 0 auto; }
.success-icon { font-size: 80px; margin-bottom: 24px; animation: bounce .5s ease; }
@keyframes bounce { 0% { transform: scale(0); } 70% { transform: scale(1.2); } 100% { transform: scale(1); } }
.success-title { font-size: 32px; font-weight: 800; margin-bottom: 12px; color: var(--success); }
.success-number { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.success-text { font-size: 16px; color: var(--text-muted); margin-bottom: 40px; line-height: 1.7; }
.success-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ─── Admin ─────────────────────────────────────────────── */
.admin-header { background: var(--text); color: #fff; padding: 20px 0; margin-bottom: 32px; }
.admin-nav { display: flex; gap: 16px; margin-top: 12px; }
.admin-nav-btn { padding: 8px 20px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; color: rgba(255,255,255,.7); transition: var(--transition); }
.admin-nav-btn.active, .admin-nav-btn:hover { background: rgba(255,255,255,.15); color: #fff; }
.admin-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; margin-bottom: 32px; }
.admin-stat { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.admin-stat-num { font-size: 32px; font-weight: 800; color: var(--primary); }
.admin-stat-label { font-size: 14px; color: var(--text-muted); }
.admin-table { width: 100%; border-collapse: collapse; background: var(--bg-white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.admin-table th { background: var(--bg); padding: 14px 16px; text-align: left; font-size: 13px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); }
.admin-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: #f8fafc; }

/* ─── Status badges ─────────────────────────────────────── */
.status-badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.status-new { background: #dbeafe; color: #1d4ed8; }
.status-confirmed { background: #d1fae5; color: #065f46; }
.status-shipped { background: #fef3c7; color: #92400e; }
.status-delivered { background: #d1fae5; color: #065f46; }
.status-cancelled { background: #fee2e2; color: #991b1b; }

/* ─── Pagination ────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.page-btn { width: 40px; height: 40px; border-radius: var(--radius-sm); border: 1.5px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 500; color: var(--text); transition: var(--transition); cursor: pointer; }
.page-btn:hover, .page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ─── Breadcrumb ────────────────────────────────────────── */
.breadcrumb { display: flex; align-items: center; gap: 8px; padding: 16px 0; font-size: 14px; color: var(--text-muted); flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--text-light); }

/* ─── Banner ────────────────────────────────────────────── */
.promo-banner { background: linear-gradient(135deg, #f59e0b, #ef4444); color: #fff; border-radius: var(--radius-lg); padding: 40px 48px; display: flex; justify-content: space-between; align-items: center; gap: 24px; overflow: hidden; position: relative; }
.promo-banner::after { content: '🎁'; position: absolute; right: 160px; top: -10px; font-size: 100px; opacity: .15; }
.promo-title { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.promo-desc { font-size: 16px; opacity: .9; margin-bottom: 20px; }
.promo-countdown { display: flex; gap: 16px; }
.countdown-item { text-align: center; background: rgba(255,255,255,.2); padding: 10px 16px; border-radius: var(--radius-sm); min-width: 64px; }
.countdown-num { font-size: 24px; font-weight: 800; display: block; }
.countdown-label { font-size: 11px; opacity: .8; }

/* ─── Footer ────────────────────────────────────────────── */
.footer { background: #1e293b; color: #cbd5e1; padding-top: 60px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-desc { font-size: 14px; line-height: 1.7; opacity: .7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.social-link { width: 38px; height: 38px; border-radius: 8px; background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; font-size: 16px; color: #cbd5e1; transition: var(--transition); }
.social-link:hover { background: var(--primary); color: #fff; }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-contacts { display: flex; flex-direction: column; gap: 12px; }
.contact-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,.7); }
.contact-item i { color: var(--primary); width: 16px; }
.footer-bottom { display: flex; justify-content: space-between; padding: 20px 0; font-size: 13px; color: rgba(255,255,255,.4); flex-wrap: wrap; gap: 8px; }

/* ─── Toast ─────────────────────────────────────────────── */
.toast { position: fixed; bottom: 24px; right: 24px; padding: 14px 24px; background: #1e293b; color: #fff; border-radius: var(--radius); font-size: 15px; font-weight: 500; box-shadow: var(--shadow-lg); z-index: 9999; transform: translateY(100px); opacity: 0; transition: all .3s ease; max-width: 360px; display: flex; align-items: center; gap: 10px; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* ─── Skeleton ──────────────────────────────────────────── */
.skeleton { background: linear-gradient(90deg, #f0f4f8 25%, #e2e8f0 50%, #f0f4f8 75%); background-size: 200% 100%; animation: skeleton 1.5s infinite; border-radius: var(--radius-sm); }
@keyframes skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ─── Modal ─────────────────────────────────────────────── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; visibility: hidden; transition: var(--transition); }
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal { background: var(--bg-white); border-radius: var(--radius-lg); padding: 32px; max-width: 500px; width: 100%; position: relative; transform: scale(.9); transition: var(--transition); }
.modal-overlay.open .modal { transform: scale(1); }
.modal-close { position: absolute; top: 16px; right: 16px; font-size: 20px; color: var(--text-muted); width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 50%; }
.modal-close:hover { background: var(--bg); color: var(--text); }

/* ─── Loader ────────────────────────────────────────────── */
.loader { display: flex; justify-content: center; align-items: center; padding: 60px; }
.spinner { width: 48px; height: 48px; border: 4px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { display: none; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .catalog-layout { grid-template-columns: 1fr; }
  .filters-panel { position: static; }
  .product-detail { grid-template-columns: 1fr; gap: 32px; }
  .product-gallery { position: static; }
  .checkout-layout { grid-template-columns: 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .admin-stats { grid-template-columns: repeat(2,1fr); }
}

/* ─── Tablet ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Header */
  .nav { display: none; }
  .mobile-menu-btn { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; font-size: 20px; color: var(--text-muted); }
  .nav.mobile-open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg-white); padding: 12px 16px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); z-index: 99; gap: 2px; }
  .nav.mobile-open .nav-link { padding: 12px 16px; font-size: 15px; border-radius: var(--radius-sm); }
  .header-inner { gap: 12px; }
  .logo-text { font-size: 18px; }

  /* Hero */
  .hero { padding: 40px 0; }
  .hero h1 { font-size: 26px; }
  .hero-desc { font-size: 15px; margin-bottom: 24px; }
  .hero-stats { gap: 16px; flex-wrap: wrap; }
  .hero-stat-num { font-size: 22px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .hero-badge { font-size: 12px; }

  /* Sections */
  .section { padding: 32px 0; }
  .section-title { font-size: 20px; }
  .section-header { margin-bottom: 20px; }

  /* Categories */
  .categories-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .category-header { padding: 18px 16px; }
  .category-name { font-size: 15px; }

  /* Products */
  .products-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .product-img { height: 170px; }
  .product-body { padding: 12px; }
  .product-name { font-size: 13px; }
  .price-current { font-size: 18px; }
  .btn-cart { font-size: 13px; padding: 9px; }

  /* Catalog */
  .catalog-layout { grid-template-columns: 1fr; gap: 20px; }
  .filters-panel { padding: 16px; }
  .catalog-header { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* Product detail */
  .product-detail { grid-template-columns: 1fr; gap: 24px; }
  .product-detail-name { font-size: 22px; }
  .product-price-current { font-size: 28px; }
  .product-cta { flex-direction: column; }
  .product-cta .btn { justify-content: center; }
  .tabs-nav { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab-btn { white-space: nowrap; padding: 10px 16px; font-size: 14px; }

  /* Cart */
  .cart-layout { grid-template-columns: 1fr; }
  .cart-item { flex-wrap: wrap; gap: 12px; }
  .cart-item-img { width: 80px; height: 80px; }
  .cart-item-price { font-size: 16px; }

  /* Checkout */
  .checkout-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .checkout-section { padding: 20px; }

  /* Promo */
  .promo-banner { flex-direction: column; padding: 24px 20px; text-align: center; }
  .promo-banner::after { display: none; }
  .promo-title { font-size: 22px; }
  .promo-countdown { justify-content: center; }

  /* Reviews */
  .reviews-summary { gap: 20px; flex-direction: column; align-items: flex-start; }
  .review-form { padding: 20px; }

  /* Features */
  .features-grid { grid-template-columns: 1fr 1fr; }

  /* Footer */
  .footer { margin-top: 48px; padding-top: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; gap: 4px; }
  .footer-bottom span:last-child { display: none; }

  /* Admin */
  .admin-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .admin-stat { padding: 16px; }
  .admin-stat-num { font-size: 24px; }
  .admin-table { font-size: 13px; }
  .admin-table th, .admin-table td { padding: 10px 12px; }
}

/* ─── Mobile ─────────────────────────────────────────────── */
@media (max-width: 480px) {
  /* Base */
  .container { padding: 0 14px; }

  /* Header */
  .header-inner { height: 56px; gap: 8px; }
  .logo-icon { font-size: 22px; }
  .logo-text { font-size: 17px; }
  .btn-icon { width: 36px; height: 36px; font-size: 16px; }

  /* Hero */
  .hero { padding: 32px 0; }
  .hero h1 { font-size: 22px; }
  .hero-desc { font-size: 14px; }
  .hero-stats { gap: 12px; }
  .hero-stat-num { font-size: 20px; }
  .hero-stat-label { font-size: 11px; }
  .hero-badge { font-size: 11px; padding: 5px 10px; }

  /* Sections */
  .section { padding: 24px 0; }
  .section-title { font-size: 18px; }
  .section-header { margin-bottom: 16px; }

  /* Categories */
  .categories-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .category-header { padding: 14px 12px; }
  .category-name { font-size: 13px; font-weight: 700; }
  .category-count { font-size: 11px; margin-top: 4px; }

  /* Products */
  .products-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .product-img { height: 150px; }
  .product-body { padding: 10px; }
  .product-category { font-size: 11px; }
  .product-name { font-size: 12px; margin-bottom: 6px; }
  .price-current { font-size: 16px; }
  .price-old { font-size: 12px; }
  .product-rating { margin-bottom: 8px; }
  .stars { font-size: 11px; }
  .rating-num { font-size: 11px; }
  .rating-count { font-size: 11px; }
  .btn-cart { font-size: 12px; padding: 8px 6px; gap: 4px; }
  .btn-cart i { display: none; }
  .product-wish { opacity: 1; width: 30px; height: 30px; font-size: 13px; }

  /* Catalog */
  .filters-panel { padding: 14px; }
  .filter-group { margin-bottom: 16px; padding-bottom: 16px; }
  .catalog-header { gap: 8px; }
  .sort-select { font-size: 13px; padding: 7px 28px 7px 10px; }

  /* Product detail */
  .product-detail { gap: 20px; }
  .product-detail-name { font-size: 18px; }
  .product-price-current { font-size: 26px; }
  .product-price-old { font-size: 15px; }
  .product-price-block { padding: 16px; }
  .product-meta { gap: 10px; }
  .product-extras { gap: 8px; }
  .product-extra { font-size: 12px; }
  .gallery-thumb { width: 56px; height: 56px; }
  .tabs-nav { gap: 0; }
  .tab-btn { padding: 10px 12px; font-size: 13px; }
  .features-table td { padding: 10px 12px; font-size: 13px; }

  /* Cart */
  .cart-item { padding: 14px; gap: 10px; }
  .cart-item-img { width: 70px; height: 70px; }
  .cart-item-name { font-size: 13px; }
  .cart-item-price { font-size: 15px; }
  .cart-summary { padding: 20px; }
  .summary-title { font-size: 16px; }

  /* Checkout */
  .checkout-section { padding: 16px; }
  .checkout-section-title { font-size: 16px; }
  .delivery-option, .payment-option { padding: 12px; }

  /* Promo */
  .promo-banner { padding: 20px 16px; }
  .promo-title { font-size: 18px; }
  .promo-desc { font-size: 14px; }
  .countdown-item { padding: 8px 10px; min-width: 52px; }
  .countdown-num { font-size: 20px; }

  /* Reviews */
  .review-big-num { font-size: 48px; }
  .reviews-summary { padding: 16px; }
  .review-item { padding: 14px; }
  .review-form { padding: 16px; }
  .star-btn { font-size: 24px; }

  /* Footer */
  .footer { padding-top: 32px; margin-top: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; padding-bottom: 28px; }
  .footer-title { font-size: 14px; margin-bottom: 10px; }
  .footer-links a { font-size: 13px; }
  .footer-desc { font-size: 13px; }
  .contact-item { font-size: 13px; }
  .footer-bottom { font-size: 12px; padding: 16px 0; }

  /* Toast */
  .toast { bottom: 16px; right: 14px; left: 14px; max-width: 100%; font-size: 14px; padding: 12px 16px; }

  /* Admin */
  .admin-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .admin-stat { padding: 14px; }
  .admin-stat-num { font-size: 22px; }
  .admin-stat-label { font-size: 12px; }
  .admin-nav { gap: 8px; flex-wrap: wrap; }
  .admin-nav-btn { padding: 6px 14px; font-size: 13px; }

  /* Success */
  .success-page { padding: 48px 16px; }
  .success-icon { font-size: 60px; }
  .success-title { font-size: 24px; }
  .success-actions { flex-direction: column; }
  .success-actions .btn { justify-content: center; }

  /* Modal */
  .modal { padding: 20px; border-radius: var(--radius); }
  .modal-overlay { padding: 12px; }
}

/* ─── Extra small (320px) ───────────────────────────────── */
@media (max-width: 360px) {
  .logo-text { display: none; }
  .hero h1 { font-size: 20px; }
  .categories-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .products-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .product-img { height: 130px; }
  .price-current { font-size: 15px; }
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
}