/* ============================================
   STORE - Main Styles (Sajiero Clone)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
    --primary: #8B1A4A;
    --secondary: #f8f0f4;
    --accent: #e91e8c;
    --header-bg: #ffffff;
    --text-dark: #444444;
    --text-mid: #666666;
    --text-light: #999999;
    --border: #e8e8e8;
    --white: #ffffff;
    --sale-red: #e53935;
    --success: #43a047;
    --font: 'Instrument Sans', 'Segoe UI', sans-serif;
    --radius: 0px;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --transition: 0.25s ease;
    --page-width: 1200px;
    --grid-gap: 40px;
}

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

/* ============ ANNOUNCEMENT BAR ============ */
.announcement-bar {
    background: var(--primary);
    color: #fff;
    text-align: center;
    padding: 10px 16px;
    font-size: 12px;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}
.announce-item { display: none; }
.announce-item.active { display: block; }
.announce-item a { color: #fff; text-decoration: underline; }

/* ============ HEADER ============ */
#main-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition);
}
#main-header.sticky { box-shadow: 0 2px 16px rgba(0,0,0,0.10); }

.header-inner {
    max-width: var(--page-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 80px;
    gap: 20px;
}

.header-logo { display: flex; align-items: center; gap: 10px; justify-self: start; }
.header-logo img { height: 45px; object-fit: contain; }
.logo-text { font-size: 24px; font-weight: 700; color: var(--text-dark); letter-spacing: 2px; text-transform: uppercase; font-style: italic; }

/* Search */
.search-wrapper { position: relative; width: 100%; max-width: 400px; justify-self: center; }
.search-wrapper input {
    width: 100%; padding: 9px 40px 9px 16px;
    border: 1px solid var(--border); border-radius: 0;
    font-size: 13px; outline: none; background: #fff;
    transition: border-color var(--transition); font-family: var(--font);
}
.search-wrapper input:focus { border-color: #999; background: #fff; }
.search-wrapper .search-icon {
    position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
    color: var(--text-mid); font-size: 15px;
}
#search-results {
    display: none; position: absolute; top: calc(100% + 6px); left: 0; right: 0;
    background: #fff; border: 1px solid var(--border); border-radius: 8px;
    box-shadow: var(--shadow); z-index: 100; max-height: 400px; overflow-y: auto;
}
#search-results.show { display: block; }
.search-result-item {
    display: flex; align-items: center; gap: 12px; padding: 10px 14px;
    border-bottom: 1px solid var(--border); transition: background var(--transition);
}
.search-result-item:hover { background: var(--secondary); }
.search-result-item img { width: 46px; height: 46px; object-fit: cover; border-radius: 4px; }
.sr-name { font-size: 13px; font-weight: 500; }
.sr-price { font-size: 13px; color: var(--primary); font-weight: 600; }
.no-results { padding: 16px; text-align: center; color: var(--text-light); font-size: 14px; }

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 12px; justify-self: end; }
.header-action-btn {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 6px 8px; color: var(--text-dark); font-size: 12px;
    transition: color var(--transition); position: relative;
}
.header-action-btn:hover { color: var(--primary); }
.header-action-btn i { font-size: 19px; }
.cart-count {
    position: absolute; top: 0; right: 0; background: var(--primary); color: #fff;
    border-radius: 50%; width: 18px; height: 18px; font-size: 10px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}

/* ============ NAVIGATION ============ */
.main-nav { border-top: 1px solid var(--border); background: #fff; }
.nav-inner { max-width: 1400px; margin: 0 auto; padding: 0 20px; }
.nav-list { display: flex; list-style: none; gap: 0; }
.nav-item > a {
    display: block; padding: 14px 14px; font-size: 14px; font-weight: 400;
    color: var(--text-dark); text-transform: none; letter-spacing: normal;
    transition: color var(--transition); white-space: nowrap;
}
.nav-item > a:hover, .nav-item.open > a { color: var(--primary); }
.nav-item.has-mega { position: relative; }

/* Mega Menu */
.mega-menu {
    display: none; position: absolute; top: 100%; left: 0;
    background: #fff; border: 1px solid var(--border); border-top: 2px solid var(--primary);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12); z-index: 500;
    min-width: 600px; padding: 24px; border-radius: 0 0 8px 8px;
}
.nav-item.has-mega.open .mega-menu { display: flex; gap: 24px; flex-wrap: wrap; }
.mega-col { min-width: 150px; }
.mega-col h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; color: var(--primary); margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.mega-col a { display: block; font-size: 13px; color: var(--text-mid); padding: 4px 0; transition: color var(--transition); }
.mega-col a:hover { color: var(--primary); }

/* ============ HERO SLIDER ============ */
#hero-slider { position: relative; overflow: hidden; background: #f6f6f6; }
.slides-wrapper { position: relative; width: 100%; }
.hero-slide { display: none; position: relative; }
.hero-slide.active { display: block; }
.hero-slide img { width: 100%; height: 580px; object-fit: cover; object-position: center top; }
.slide-content {
    position: absolute; top: 50%; left: 8%; transform: translateY(-50%);
    color: #fff; text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.slide-content h2 { font-size: 42px; font-weight: 800; margin-bottom: 12px; }
.slide-content p { font-size: 18px; margin-bottom: 20px; }
.slide-btn {
    display: inline-block; background: var(--primary); color: #fff;
    padding: 12px 32px; border-radius: 2px; font-size: 14px; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase; transition: background var(--transition);
}
.slide-btn:hover { background: var(--accent); }
.slider-prev, .slider-next {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
    background: rgba(255,255,255,0.9); color: var(--text-dark); width: 44px; height: 44px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 18px; box-shadow: var(--shadow); transition: all var(--transition);
}
.slider-prev { left: 16px; }
.slider-next { right: 16px; }
.slider-prev:hover, .slider-next:hover { background: var(--primary); color: #fff; }
.slider-dots { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.slider-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.5); transition: all var(--transition); }
.slider-dot.active { background: #fff; width: 24px; border-radius: 4px; }

/* ============ SECTIONS ============ */
.section { padding: 48px 24px; max-width: var(--page-width); margin: 0 auto; }
.section-title {
    text-align: center; font-size: 22px; font-weight: 600; color: var(--text-dark);
    margin-bottom: 8px; text-transform: none; letter-spacing: normal;
}
.section-sub { text-align: center; color: var(--text-light); font-size: 14px; margin-bottom: 32px; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; flex-wrap: wrap; gap: 12px; }
.section-header .section-title { margin-bottom: 0; }
.view-all { font-size: 13px; color: var(--text-dark); text-decoration: underline; font-weight: 400; }

/* Secondary Banners */
.secondary-banners { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: var(--page-width); margin: 0 auto; padding: 0 24px 40px; }
.sec-banner { position: relative; overflow: hidden; border-radius: 0; }
.sec-banner img { width: 100%; height: 340px; object-fit: cover; transition: transform 0.4s ease; }
.sec-banner:hover img { transform: scale(1.03); }
.sec-banner-overlay {
    position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
    padding: 24px; background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 60%);
}
.sec-banner-overlay h3 { color: #fff; font-size: 22px; font-weight: 700; }
.sec-banner-overlay a { display: inline-block; margin-top: 8px; color: #fff; font-size: 13px; text-decoration: underline; }

/* ============ PRODUCT GRID ============ */
.product-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--grid-gap);
}
@media (max-width: 1100px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
@media (max-width: 400px) { .product-grid { grid-template-columns: 1fr 1fr; gap: 10px; } }

.product-card { background: #fff; border-radius: 0; overflow: hidden; transition: box-shadow var(--transition); }
.product-card:hover { box-shadow: none; }
.product-img-wrapper { position: relative; overflow: hidden; aspect-ratio: 4/5; background: #f6f6f6; }
.product-img-primary, .product-img-hover {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
    transition: opacity 0.4s ease;
}
.product-img-hover { opacity: 0; }
/* Badge - exact sajiero style: no background, dark text, top-left */
.product-badge {
    position: absolute; top: 15px; left: 15px;
    background: transparent; color: #444444;
    font-size: 13px; font-weight: 400; padding: 0; border-radius: 0; z-index: 2;
}
.product-actions {
    position: absolute; bottom: 0; left: 0; right: 0;
    transform: translateY(100%); transition: transform var(--transition);
    background: rgba(255,255,255,0.96); padding: 10px 12px;
}
.product-card:hover .product-actions { transform: translateY(0); }
.btn-add-cart {
    width: 100%; padding: 11px 10px; background: var(--primary); color: #fff;
    font-size: 13px; font-weight: 500; letter-spacing: 0.3px; text-transform: none;
    transition: background var(--transition); border-radius: 0;
}
.btn-add-cart:hover { background: var(--accent); }
.product-info { padding: 14px 0 4px 0; }
.product-name { display: block; font-size: 13px; font-weight: 400; color: var(--text-dark); margin-bottom: 6px; line-height: 1.5; }
.product-name:hover { color: var(--primary); }
.product-price { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.price-sale { font-size: 13px; font-weight: 500; color: #444; }
.price-original { font-size: 13px; color: var(--text-light); text-decoration: line-through; }

/* ============ CATEGORY CARDS ============ */
.category-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 768px) { .category-cards { grid-template-columns: repeat(2, 1fr); } }
.cat-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 1; cursor: pointer; }
.cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.cat-card:hover img { transform: scale(1.05); }
.cat-card-label {
    position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center;
    justify-content: flex-end; padding: 16px;
    background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 60%);
}
.cat-card-label span { color: #fff; font-size: 15px; font-weight: 700; text-align: center; text-shadow: 0 1px 4px rgba(0,0,0,0.4); }

/* ============ VALUE SECTIONS ============ */
.value-section {
    background: var(--secondary); border-radius: 8px; padding: 40px 24px;
    display: flex; align-items: center; gap: 32px; flex-wrap: wrap; margin: 0 20px 32px;
}
.value-section-text { flex: 1; min-width: 200px; }
.value-section-text h2 { font-size: 30px; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.value-section-text p { color: var(--text-mid); font-size: 15px; }
.value-section-products { flex: 3; min-width: 0; }
.value-section-products .product-grid { grid-template-columns: repeat(4, 1fr); }

/* ============ TOOLS SECTION ============ */
.tools-section {
    display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
    max-width: var(--page-width); margin: 0 auto; padding: 0 20px 50px;
}
@media (max-width: 768px) { .tools-section { grid-template-columns: 1fr; } }
.tool-card { background: var(--secondary); border-radius: 8px; padding: 36px; }
.tool-card h3 { font-size: 22px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.tool-card p { color: var(--text-mid); font-size: 14px; margin-bottom: 20px; }
.tool-form { display: flex; flex-direction: column; gap: 14px; }
.tool-form label { font-size: 13px; font-weight: 600; color: var(--text-dark); display: block; margin-bottom: 4px; }
.tool-form input, .tool-form select {
    width: 100%; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: var(--radius);
    font-size: 14px; outline: none; font-family: var(--font);
}
.tool-form input:focus, .tool-form select:focus { border-color: var(--primary); }
.btn-tool { background: var(--primary); color: #fff; padding: 11px 28px; border-radius: var(--radius); font-size: 14px; font-weight: 600; transition: background var(--transition); }
.btn-tool:hover { background: var(--accent); }
.bra-size-result, .period-result-card { background: #fff; border-radius: var(--radius); padding: 16px; margin-top: 16px; text-align: center; border: 2px solid var(--primary); }
.bra-size-result span, .period-result-card span { font-size: 14px; color: var(--text-mid); display: block; }
.bra-size-result strong { font-size: 36px; font-weight: 800; color: var(--primary); display: block; }
.period-result-card div { margin-bottom: 8px; }
.period-result-card strong { color: var(--primary); font-weight: 700; }

/* ============ FOOTER ============ */
.main-footer { background: var(--text-dark); color: rgba(255,255,255,0.85); margin-top: 60px; }
.footer-top { max-width: 1400px; margin: 0 auto; padding: 50px 20px 30px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 580px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand .logo-text { color: #fff; font-size: 24px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); margin-top: 12px; line-height: 1.7; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 15px; transition: background var(--transition); }
.footer-social a:hover { background: var(--primary); }
.footer-col h4 { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 13.5px; color: rgba(255,255,255,0.65); padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-col p { font-size: 13.5px; color: rgba(255,255,255,0.65); line-height: 1.7; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 16px 20px; text-align: center; font-size: 13px; color: rgba(255,255,255,0.5); max-width: 1400px; margin: 0 auto; }

/* ============ CART SIDEBAR ============ */
#cart-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 2000;
}
#cart-overlay.show { display: block; }
#cart-sidebar {
    position: fixed; top: 0; right: -420px; width: 420px; max-width: 100vw; height: 100vh;
    background: #fff; z-index: 2001; display: flex; flex-direction: column;
    transition: right 0.3s ease; box-shadow: -4px 0 24px rgba(0,0,0,0.15);
}
#cart-sidebar.open { right: 0; }
.cart-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 20px 16px; border-bottom: 1px solid var(--border); }
.cart-header h3 { font-size: 18px; font-weight: 700; }
.cart-header button { font-size: 22px; color: var(--text-mid); transition: color var(--transition); }
.cart-header button:hover { color: var(--primary); }
#cart-items { flex: 1; overflow-y: auto; padding: 16px 20px; }
.cart-empty { text-align: center; padding: 60px 20px; }
.cart-empty i { font-size: 48px; color: var(--border); margin-bottom: 16px; display: block; }
.cart-empty p { color: var(--text-light); font-size: 15px; margin-bottom: 20px; }
.cart-empty .btn-primary { display: inline-block; background: var(--primary); color: #fff; padding: 10px 24px; border-radius: var(--radius); font-size: 14px; }
.cart-item { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); position: relative; }
.cart-item-img { width: 70px; height: 90px; flex-shrink: 0; border-radius: var(--radius); overflow: hidden; background: var(--secondary); }
.cart-item-img img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 13.5px; font-weight: 600; margin-bottom: 4px; line-height: 1.4; }
.cart-item-meta { font-size: 12px; color: var(--text-light); }
.cart-item-price { font-size: 14px; font-weight: 700; color: var(--primary); margin: 6px 0; }
.cart-item-qty { display: flex; align-items: center; gap: 10px; }
.cart-item-qty button { width: 26px; height: 26px; border: 1.5px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 600; transition: all var(--transition); }
.cart-item-qty button:hover { border-color: var(--primary); color: var(--primary); }
.cart-item-qty span { font-size: 14px; font-weight: 600; min-width: 20px; text-align: center; }
.cart-item-remove { position: absolute; top: 14px; right: 0; color: var(--text-light); font-size: 14px; }
.cart-item-remove:hover { color: var(--sale-red); }
#cart-total { padding: 16px 20px; border-top: 1px solid var(--border); }
.cart-subtotal, .cart-shipping, .cart-grand-total { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; font-size: 14px; }
.cart-grand-total { font-size: 16px; font-weight: 700; border-top: 1px solid var(--border); margin-top: 8px; padding-top: 12px; }
.free-ship { color: var(--success); font-weight: 700; }
.free-ship-msg { text-align: center; font-size: 12px; color: var(--primary); background: var(--secondary); padding: 6px 10px; border-radius: var(--radius); margin: 4px 0; }
.cart-checkout-btn { display: block; background: var(--primary); color: #fff; text-align: center; padding: 14px; margin: 14px 20px 20px; font-size: 15px; font-weight: 700; border-radius: var(--radius); letter-spacing: 0.5px; text-transform: uppercase; transition: background var(--transition); }
.cart-checkout-btn:hover { background: var(--accent); }

/* Cart Notification */
.cart-notification {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(100px);
    background: var(--text-dark); color: #fff; padding: 12px 24px;
    border-radius: 4px; font-size: 14px; font-weight: 500; z-index: 3000;
    transition: transform 0.3s ease; pointer-events: none;
}
.cart-notification.show { transform: translateX(-50%) translateY(0); }

/* ============ MOBILE MENU ============ */
#mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 1500; }
#mobile-overlay.show { display: block; }
#mobile-menu {
    position: fixed; top: 0; left: -320px; width: 300px; height: 100vh;
    background: #fff; z-index: 1501; display: flex; flex-direction: column;
    transition: left 0.3s ease; overflow-y: auto;
}
#mobile-menu.open { left: 0; }
.mob-menu-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.mob-menu-header span { font-size: 16px; font-weight: 700; }
.mob-menu-header button { font-size: 22px; }
.mob-nav-item { border-bottom: 1px solid var(--border); }
.mob-nav-item > a, .mob-cat-toggle { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; font-size: 14px; font-weight: 500; width: 100%; text-align: left; color: var(--text-dark); }
.mob-cat-toggle i { font-size: 12px; transition: transform var(--transition); }
.mob-cat-toggle.open i { transform: rotate(180deg); }
.mob-sub-menu { display: none; background: var(--secondary); }
.mob-sub-menu.open { display: block; }
.mob-sub-menu a { display: block; padding: 10px 32px; font-size: 13.5px; color: var(--text-mid); border-top: 1px solid var(--border); }
.mobile-menu-toggle { display: none; font-size: 22px; color: var(--text-dark); }

/* ============ BACK TO TOP ============ */
#back-to-top {
    position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px;
    background: var(--primary); color: #fff; border-radius: 50%; display: none;
    align-items: center; justify-content: center; font-size: 18px;
    box-shadow: var(--shadow); z-index: 999; transition: all var(--transition);
}
#back-to-top.show { display: flex; }
#back-to-top:hover { background: var(--accent); transform: translateY(-3px); }

/* ============ PRODUCT DETAIL PAGE ============ */
.product-detail { max-width: 1200px; margin: 0 auto; padding: 40px 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
@media (max-width: 768px) { .product-detail { grid-template-columns: 1fr; } }
.product-gallery { }
.gallery-main { aspect-ratio: 3/4; background: var(--secondary); border-radius: var(--radius); overflow: hidden; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; }
.gallery-thumb { width: 70px; height: 90px; border-radius: var(--radius); overflow: hidden; cursor: pointer; border: 2px solid transparent; flex-shrink: 0; }
.gallery-thumb.active { border-color: var(--primary); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-detail-info { }
.detail-breadcrumb { font-size: 13px; color: var(--text-light); margin-bottom: 16px; }
.detail-breadcrumb a:hover { color: var(--primary); }
.detail-name { font-size: 26px; font-weight: 800; margin-bottom: 12px; line-height: 1.3; }
.detail-price { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.detail-price .price-sale { font-size: 24px; font-weight: 800; color: var(--primary); }
.detail-price .price-original { font-size: 18px; color: var(--text-light); text-decoration: line-through; }
.detail-price .price-badge { background: var(--sale-red); color: #fff; padding: 3px 10px; border-radius: 2px; font-size: 12px; font-weight: 700; }
.detail-stock { font-size: 13px; padding: 6px 0; }
.in-stock { color: var(--success); } .out-stock { color: var(--sale-red); }
.detail-divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.detail-label { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; color: var(--text-dark); }
.size-options, .color-options { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.size-btn {
    padding: 8px 16px; border: 1.5px solid var(--border); border-radius: var(--radius);
    font-size: 13px; font-weight: 600; color: var(--text-dark); transition: all var(--transition);
}
.size-btn:hover, .size-btn.active { border-color: var(--primary); background: var(--primary); color: #fff; }
.size-btn.disabled { opacity: 0.4; cursor: not-allowed; }
.color-btn { width: 32px; height: 32px; border-radius: 50%; border: 2.5px solid transparent; cursor: pointer; transition: border-color var(--transition); }
.color-btn.active { border-color: var(--primary); transform: scale(1.15); }
.qty-selector { display: flex; align-items: center; gap: 0; border: 1.5px solid var(--border); border-radius: var(--radius); overflow: hidden; width: fit-content; margin-bottom: 20px; }
.qty-selector button { width: 44px; height: 44px; font-size: 20px; font-weight: 600; background: var(--secondary); transition: background var(--transition); }
.qty-selector button:hover { background: var(--border); }
.qty-selector input { width: 50px; height: 44px; text-align: center; font-size: 16px; font-weight: 600; border: none; outline: none; }
.btn-add-to-cart { width: 100%; padding: 16px; background: var(--primary); color: #fff; font-size: 15px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; border-radius: var(--radius); transition: background var(--transition); margin-bottom: 12px; }
.btn-add-to-cart:hover { background: var(--accent); }
.detail-desc { font-size: 14px; color: var(--text-mid); line-height: 1.8; margin-top: 20px; }
.trust-badges { display: flex; gap: 16px; margin-top: 20px; flex-wrap: wrap; }
.trust-badge { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-mid); }
.trust-badge i { color: var(--primary); font-size: 18px; }

/* ============ CHECKOUT ============ */
.checkout-page { max-width: 1100px; margin: 0 auto; padding: 40px 20px; display: grid; grid-template-columns: 1fr 380px; gap: 40px; }
@media (max-width: 900px) { .checkout-page { grid-template-columns: 1fr; } }
.checkout-form-section h2 { font-size: 22px; font-weight: 700; margin-bottom: 24px; padding-bottom: 12px; border-bottom: 2px solid var(--primary); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-dark); }
.form-group label span { color: var(--sale-red); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 11px 14px; border: 1.5px solid var(--border);
    border-radius: var(--radius); font-size: 14px; outline: none; font-family: var(--font);
    transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.order-summary-card { background: var(--secondary); border-radius: 8px; padding: 24px; height: fit-content; position: sticky; top: 90px; }
.order-summary-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.summary-item { display: flex; gap: 12px; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.summary-item-img { width: 56px; height: 72px; border-radius: var(--radius); overflow: hidden; background: #fff; flex-shrink: 0; }
.summary-item-img img { width: 100%; height: 100%; object-fit: cover; }
.summary-item-details { flex: 1; font-size: 13px; }
.summary-item-name { font-weight: 600; line-height: 1.4; margin-bottom: 4px; }
.summary-item-meta { color: var(--text-light); }
.summary-item-price { font-weight: 700; color: var(--primary); margin-top: 4px; }
.summary-totals { margin-top: 10px; }
.summary-row { display: flex; justify-content: space-between; font-size: 14px; padding: 5px 0; }
.summary-row.total { font-weight: 800; font-size: 16px; border-top: 2px solid var(--border); margin-top: 8px; padding-top: 12px; }
.cod-badge { display: flex; align-items: center; gap: 10px; background: #fff; border-radius: var(--radius); padding: 14px; margin: 16px 0; border: 1.5px solid var(--success); }
.cod-badge i { color: var(--success); font-size: 22px; }
.cod-badge span { font-size: 14px; font-weight: 600; color: var(--text-dark); }
.btn-place-order { width: 100%; padding: 16px; background: var(--primary); color: #fff; font-size: 15px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; border-radius: var(--radius); transition: background var(--transition); }
.btn-place-order:hover { background: var(--accent); }
.btn-place-order:disabled { opacity: 0.6; cursor: not-allowed; }

/* ============ ORDER SUCCESS ============ */
.order-success { max-width: 600px; margin: 60px auto; padding: 40px 20px; text-align: center; }
.success-icon { width: 80px; height: 80px; background: var(--success); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; }
.success-icon i { font-size: 40px; color: #fff; }
.order-success h1 { font-size: 28px; font-weight: 800; margin-bottom: 12px; }
.order-success p { color: var(--text-mid); font-size: 15px; margin-bottom: 8px; }
.order-number-display { font-size: 18px; font-weight: 700; color: var(--primary); background: var(--secondary); padding: 12px 24px; border-radius: var(--radius); display: inline-block; margin: 16px 0; }
.btn-continue { display: inline-block; margin-top: 24px; background: var(--primary); color: #fff; padding: 14px 36px; border-radius: var(--radius); font-size: 15px; font-weight: 700; }

/* ============ CATEGORY PAGE ============ */
.category-page { max-width: 1400px; margin: 0 auto; padding: 32px 20px; }
.category-page-header { margin-bottom: 28px; }
.category-page-header h1 { font-size: 26px; font-weight: 800; }
.category-page-header p { color: var(--text-light); font-size: 14px; margin-top: 6px; }
.filter-bar { display: flex; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }
.filter-btn { padding: 8px 20px; border: 1.5px solid var(--border); border-radius: 20px; font-size: 13px; font-weight: 500; transition: all var(--transition); color: var(--text-dark); }
.filter-btn:hover, .filter-btn.active { border-color: var(--primary); background: var(--primary); color: #fff; }
.load-more-btn { display: block; margin: 36px auto 0; padding: 13px 40px; border: 2px solid var(--primary); color: var(--primary); font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; border-radius: var(--radius); transition: all var(--transition); background: transparent; }
.load-more-btn:hover { background: var(--primary); color: #fff; }

/* ============ BREADCRUMB ============ */
.breadcrumb { background: var(--secondary); padding: 12px 20px; font-size: 13px; }
.breadcrumb-inner { max-width: 1400px; margin: 0 auto; display: flex; gap: 8px; align-items: center; color: var(--text-light); }
.breadcrumb-inner a { color: var(--text-mid); }
.breadcrumb-inner a:hover { color: var(--primary); }
.breadcrumb-inner i { font-size: 10px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
    .main-nav { display: none; }
    .mobile-menu-toggle { display: block !important; }
    .header-inner { grid-template-columns: auto 1fr auto; }
    .search-wrapper { max-width: 100%; }
    .hero-slide img { height: 280px; }
    .slide-content h2 { font-size: 24px; }
    .secondary-banners { grid-template-columns: 1fr; }
    .tools-section { padding: 0 20px 32px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .value-section-products .product-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
    .header-inner { height: 60px; }
    .logo-text { font-size: 18px; }
    .section { padding: 32px 16px; }
    .section-title { font-size: 20px; }
    #cart-sidebar { width: 100vw; right: -100vw; }
    .checkout-page { padding: 20px 16px; }
    .footer-top { grid-template-columns: 1fr; }
}