/* ============================================================
   KARIGAR — Design System
   Dark Mode (default) & Light Mode
   ============================================================ */

:root, [data-theme="dark"] {
    --color-primary:      #000000;        /* Header / Footer bg */
    --color-secondary:    #1A1A1A;        /* Card bg */
    --color-accent:       #2A2A2A;        /* Category card bg */
    --color-highlight:    #F5F5F5;        /* CTAs, badge text bg */
    --color-highlight-btn:#FFFFFF;        /* Button bg */
    --color-white:        #FFFFFF;
    --color-text:         #E0E0E0;        /* Body text */
    --color-heading:      #FFFFFF;        /* All headings */
    --color-subtext:      #888888;        /* Muted text */
    --color-bg:           #0A0A0A;        /* Page background */
    --color-border:       rgba(255,255,255,0.07);
    --color-input-bg:     #111111;
    --color-input-border: rgba(255,255,255,0.12);
    --color-nav-link:     rgba(255,255,255,0.85);
    --color-section-alt:  #111111;        /* Alternate section bg */
    --color-price:        #FFFFFF;
    --transition-speed:   0.3s;
    --shadow-card:        0 4px 24px rgba(0,0,0,0.5);
    --shadow-lg:          0 16px 48px rgba(0,0,0,0.3);
}

[data-theme="light"] {
    --color-primary:      #111111;        /* Header / Footer bg stays dark */
    --color-secondary:    #FFFFFF;        /* Card bg = white */
    --color-accent:       #F0F0F0;        /* Category card bg */
    --color-highlight:    #111111;        /* CTAs */
    --color-highlight-btn:#111111;
    --color-white:        #FFFFFF;
    --color-text:         #444444;        /* Body text */
    --color-heading:      #111111;        /* Headings = dark */
    --color-subtext:      #777777;
    --color-bg:           #F6F7FB;        /* Page bg = very light */
    --color-border:       rgba(0,0,0,0.08);
    --color-input-bg:     #FFFFFF;
    --color-input-border: rgba(0,0,0,0.15);
    --color-nav-link:     rgba(255,255,255,0.85);
    --color-section-alt:  #FFFFFF;
    --color-price:        #111111;
    --transition-speed:   0.3s;
    --shadow-card:        0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg:          0 16px 48px rgba(0,0,0,0.1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.65;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

a { text-decoration: none; color: inherit; transition: color var(--transition-speed); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--color-heading);
    line-height: 1.25;
    transition: color var(--transition-speed);
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 11px 26px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-speed);
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    background-color: var(--color-highlight-btn);
    color: var(--color-bg);
}
[data-theme="light"] .btn-primary { background: #111; color: #fff; }
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-heading);
    border: 1px solid var(--color-border);
}
.btn-secondary:hover { background-color: var(--color-accent); }

.btn-qty {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 4px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
}
.btn-qty:hover { background: var(--color-accent); }

/* ---- Header ---- */
.site-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 16px rgba(0,0,0,0.3);
    transition: background-color var(--transition-speed);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: #fff;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.logo a i { color: var(--color-highlight); }
[data-theme="light"] .logo a i { color: #fff; }

.main-nav ul { display: flex; gap: 28px; }
.main-nav a {
    color: var(--color-nav-link);
    font-weight: 500;
    font-size: 0.93rem;
    position: relative;
    padding-bottom: 2px;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #fff;
    transition: width var(--transition-speed);
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.sale-link { color: #FFD700 !important; }
.sale-link::after { background-color: #FFD700 !important; }

.header-icons { display: flex; align-items: center; gap: 18px; font-size: 1.1rem; }
.header-icons a { color: rgba(255,255,255,0.85); transition: color 0.2s, transform 0.2s; }
.header-icons a:hover { color: #fff; transform: scale(1.1); }

.wishlist-icon, .cart-icon { position: relative; }
.wishlist-count {
    position: absolute;
    top: -8px; right: -10px;
    background-color: #ff4757;
    color: #fff;
    font-size: 0.72rem;
    font-weight: 800;
    width: 18px; height: 18px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.cart-count {
    position: absolute;
    top: -8px; right: -10px;
    background-color: #FFD700;
    color: #000;
    font-size: 0.72rem;
    font-weight: 800;
    width: 18px; height: 18px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
}

/* ---- Mobile Nav Drawer ---- */
.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    pointer-events: none;
}
.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-nav-drawer {
    position: fixed;
    top: 0; right: 0;
    width: 300px;
    max-width: 85vw;
    height: 100dvh;
    background: #111;
    z-index: 999;
    padding: 80px 24px 32px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    flex-direction: column;
    gap: 0;
    overflow-y: auto;
    visibility: hidden;
}
.mobile-nav-drawer.active {
    transform: translateX(0);
    visibility: visible;
}
.mobile-nav-drawer a {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.8);
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.2s, padding-left 0.2s;
}
.mobile-nav-drawer a:hover { color: #FFD700; padding-left: 8px; }
.mobile-nav-drawer a i { width: 20px; text-align: center; }
.mobile-nav-close {
    position: absolute;
    top: 24px; right: 20px;
    background: rgba(255,255,255,0.08);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.mobile-nav-close:hover { background: rgba(255,255,255,0.15); }

/* ---- Hero ---- */
.hero {
    background: linear-gradient(135deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.4) 100%),
                url('https://images.unsplash.com/photo-1523381210434-271e8be1f52b?auto=format&fit=crop&q=80&w=1920') center/cover;
    min-height: 65vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
}
.hero h1 { font-size: 3.2rem; margin-bottom: 20px; color: #fff !important; }
.hero p { font-size: 1.15rem; max-width: 640px; margin: 0 auto 32px; color: rgba(255,255,255,0.85); font-family: 'Inter', sans-serif; }

/* ---- Sections ---- */
.section { padding: 72px 0; }
.section-alt { background-color: var(--color-section-alt); transition: background-color var(--transition-speed); }
.section-title { text-align: center; margin-bottom: 48px; font-size: 2rem; }

/* ---- Category Cards ---- */
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.category-card {
    background-color: var(--color-accent);
    padding: 36px 24px;
    border-radius: 14px;
    text-align: center;
    color: var(--color-heading);
    transition: transform 0.3s, background-color 0.3s, box-shadow 0.3s;
    border: 1px solid var(--color-border);
}
.category-card:hover {
    transform: translateY(-8px);
    background-color: var(--color-secondary);
    box-shadow: var(--shadow-card);
}
.category-card i { font-size: 2.6rem; margin-bottom: 14px; display: block; }
.category-card h3 { font-size: 1rem; font-weight: 600; color: var(--color-heading); }

/* ---- Product Cards ---- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 28px; }
.product-card {
    background: var(--color-secondary);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s, box-shadow 0.3s, background-color var(--transition-speed);
    position: relative;
    border: 1px solid var(--color-border);
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.2); }

.product-image { height: 260px; overflow: hidden; }
.product-image a { display: block; height: 100%; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.product-card:hover .product-image img { transform: scale(1.07); }

.sale-badge {
    position: absolute;
    top: 12px; left: 12px;
    background-color: #FFD700;
    color: #000;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
    letter-spacing: 0.5px;
}

.product-info { padding: 20px; }
.product-category { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; color: var(--color-subtext); margin-bottom: 6px; font-weight: 600; }
.product-title { font-size: 1rem; margin-bottom: 8px; color: var(--color-heading); }
.product-title a { color: var(--color-heading); }
.product-title a:hover { opacity: 0.75; }

.product-price { font-weight: 700; color: var(--color-price); margin-bottom: 14px; font-size: 1.15rem; }
.product-price .original-price { text-decoration: line-through; color: var(--color-subtext); font-size: 0.88rem; margin-right: 8px; font-weight: 400; }

/* ---- Page Header ---- */
.page-header {
    background: var(--color-primary);
    padding: 48px 0;
    text-align: center;
    color: #fff;
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}
.page-header h1 { color: #fff !important; }
.page-header p { color: rgba(255,255,255,0.75); margin-top: 8px; }

/* Theme-aware filter buttons (catalogue) */
.filter-btn.active {
    background: var(--color-highlight);
    color: #fff;
    border-color: var(--color-highlight);
    font-weight: 600;
}
[data-theme="dark"] .filter-btn.active {
    color: var(--color-primary);
}

/* Product detail badge — readable in both themes */
.product-detail-badge {
    color: #fff !important;
}
[data-theme="dark"] .product-detail-badge {
    color: var(--color-primary) !important;
}

/* Footer contact list — theme safe */
.footer-contact-list {
    margin-top: 20px;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
}

/* ---- Footer ---- */
.site-footer { background-color: #0D0D0D; color: rgba(255,255,255,0.75); padding-top: 64px; }
.footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-col h3, .footer-col h4 { color: #fff; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a:hover { color: #FFD700; }
.footer-col ul li i { margin-right: 8px; color: #FFD700; }
.social-links { display: flex; gap: 14px; margin-bottom: 20px; }
.social-links a { font-size: 1.4rem; color: rgba(255,255,255,0.5); transition: color 0.2s, transform 0.2s; }
.social-links a:hover { color: #FFD700; transform: scale(1.15); }
.newsletter-form { display: flex; gap: 8px; margin-top: 8px; }
.newsletter-form input { padding: 10px 14px; border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; background: rgba(255,255,255,0.06); color: #fff; flex: 1; font-family: inherit; }
.newsletter-form input::placeholder { color: rgba(255,255,255,0.35); }
.footer-bottom { background-color: #080808; padding: 20px 0; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.35); }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }

/* ---- Toast ---- */
#toast {
    position: fixed; bottom: 28px; right: 28px;
    background: #FFD700; color: #000;
    padding: 13px 22px; border-radius: 10px; font-size: 0.9rem; font-weight: 700;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    opacity: 0; transform: translateY(16px);
    transition: opacity 0.3s, transform 0.3s;
    z-index: 9999; pointer-events: none;
}
#toast.show { opacity: 1; transform: translateY(0); }

/* ---- Cart Table ---- */
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th { text-align: left; padding: 14px 16px; border-bottom: 2px solid var(--color-border); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-subtext); }
.cart-table td { padding: 16px; border-bottom: 1px solid var(--color-border); vertical-align: middle; color: var(--color-text); }

/* ---- Cart Summary ---- */
.cart-summary { background: var(--color-secondary); padding: 28px; border-radius: 14px; border: 1px solid var(--color-border); transition: background var(--transition-speed); }
.summary-row { display: flex; justify-content: space-between; margin-bottom: 14px; color: var(--color-text); }
.summary-total { font-size: 1.15rem; font-weight: 700; color: var(--color-heading); border-top: 1px solid var(--color-border); padding-top: 14px; margin-top: 8px; }

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.4px; color: var(--color-subtext); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 12px 16px;
    border: 1px solid var(--color-input-border);
    border-radius: 10px;
    background: var(--color-input-bg);
    color: var(--color-heading);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--color-heading);
}
.form-group input::placeholder, .form-group textarea::placeholder {
    color: var(--color-subtext);
}

/* ---- Contact / Checkout Form Cards ---- */
.contact-form, .checkout-form {
    background: var(--color-secondary);
    padding: 32px;
    border-radius: 14px;
    border: 1px solid var(--color-border);
    transition: background var(--transition-speed), border-color var(--transition-speed);
}

/* ---- Animations ---- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-in {
    animation: fadeInUp 0.5s ease forwards;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .product-detail-layout { grid-template-columns: 1fr; gap: 40px; }
    .product-gallery { position: static; }
    .reviews-layout { grid-template-columns: 1fr; gap: 28px; }
    .cart-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .main-nav, .header-icons { display: none; }
    .mobile-menu-btn { display: block; }
    
    .hero { min-height: 50vh; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .section { padding: 48px 0; }
    .section-title { font-size: 1.5rem; margin-bottom: 32px; }
    .category-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .product-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
    .product-image { height: 200px; }
    .product-info { padding: 14px; }
    .page-header { padding: 32px 0; }
    .page-header h1 { font-size: 1.8rem; }
    .footer-container { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom .container { justify-content: center; text-align: center; }

    /* Checkout */
    .checkout-form { padding: 20px !important; }
    .checkout-form h2 { font-size: 1.3rem; }

    /* Cart */
    .cart-items-container { padding: 16px !important; }
    .cart-item-row { grid-template-columns: 60px 1fr !important; grid-template-rows: auto auto; row-gap: 12px; padding: 16px 0 !important; }
    .cart-item-img { grid-row: 1 / 3; width: 60px !important; height: 60px !important; }
    .cart-item-name { grid-column: 2; align-self: end; }
    .cart-item-total { grid-column: 2; justify-self: start !important; }
    .cart-summary { padding: 20px !important; }

    /* Auth/Login */
    .auth-container { margin: 40px auto !important; }
    .auth-form-wrapper { padding: 24px !important; }

    /* Contact */
    .contact-form { padding: 24px !important; }

    /* Account / Orders */
    .account-layout, .orders-layout { grid-template-columns: 1fr; }

    /* Wishlist */
    .wishlist-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }

    /* Review */
    .reviews-layout { grid-template-columns: 1fr; gap: 24px; }
    .rating-summary-box { padding: 20px; }
    .review-card { padding: 16px 18px; }

    /* Tab nav */
    .tab-btn { padding: 14px 18px; font-size: 0.88rem; }
    .tab-content { padding: 24px 0; font-size: 0.95rem; }
}

@media (max-width: 576px) {
    .container { width: 94%; }
    .hero { min-height: 40vh; }
    .hero h1 { font-size: 1.6rem; }
    .hero p { font-size: 0.95rem; margin-bottom: 24px; }
    .category-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .category-card { padding: 20px 12px; }
    .category-card i { font-size: 2rem; margin-bottom: 10px; }
    .category-card h3 { font-size: 0.85rem; }
    .product-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .product-image { height: 180px; }
    .product-info { padding: 12px; }
    .product-title { font-size: 0.9rem; }
    .product-price { font-size: 1rem; }
    .product-category { font-size: 0.65rem; }
    .sale-badge { font-size: 0.65rem; padding: 3px 10px; }
    .section { padding: 36px 0; }
    .section-title { font-size: 1.3rem; }
    .page-header { padding: 28px 0; }
    .page-header h1 { font-size: 1.5rem; }
    .page-header p { font-size: 0.85rem; }

    /* Cart */
    .cart-items-container { padding: 12px !important; }
    .cart-summary { padding: 16px !important; }
    .summary-total { font-size: 1rem; }

    /* Auth */
    .auth-container { margin: 20px auto !important; }
    .auth-form-wrapper { padding: 20px !important; }

    /* Footer */
    .site-footer { padding-top: 40px; }
    .footer-container { gap: 24px; }
    .newsletter-form { flex-direction: column; }
    .newsletter-form input { width: 100%; }
    .newsletter-form button { width: 100%; }

    /* Wishlist */
    .wishlist-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .wishlist-empty h2 { font-size: 1.3rem; }

    /* Product thumbnails */
    .product-thumbnails { gap: 8px !important; }
    .product-thumbnails > div { width: 60px !important; height: 60px !important; }

    /* Review form */
    .review-form-box { padding: 20px; }
    .star-picker i { font-size: 1.4rem; }

    /* Success state */
    .success-state { padding: 40px 16px; }
    .success-state i { font-size: 3.5rem; }
}

@media (max-width: 400px) {
    .product-grid { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr; }
    .wishlist-grid { grid-template-columns: 1fr; }
    .product-image { height: 240px; }
    .hero h1 { font-size: 1.4rem; }
    .page-header h1 { font-size: 1.3rem; }
}