/* ============================================================
   NOVAMART — MASTER STYLESHEET
   ============================================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
    --clr-bg:          #f4f2ef;
    --clr-surface:     #ffffff;
    --clr-text:        #1a1a1a;
    --clr-text-muted: #6b6560;
    --clr-accent:      #2c2c2c;
    --clr-accent-hover:#000000;
    --clr-gold:        #c9a96e;
    --clr-gold-light:  #e8d5b0;
    --clr-border:      #e0dcd5;
    --clr-cart-bg:     #1a1a1a;
    --clr-cart-text:   #f4f2ef;
    --radius:          6px;
    --radius-lg:       12px;
    --shadow-sm:       0 2px 8px rgba(0,0,0,0.06);
    --shadow-md:       0 6px 24px rgba(0,0,0,0.10);
    --shadow-lg:       0 12px 40px rgba(0,0,0,0.15);
    --transition:      0.28s cubic-bezier(.4,0,.2,1);
    --font-display:    'Cormorant Garamond', Georgia, serif;
    --font-body:       'DM Sans', system-ui, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
    height: 100%;
    object-fit: cover;
}

ul {
    list-style: none;
}

button {
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================================
   HEADER
   ============================================================ */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.header-right-group {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Logo */
.logo {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.7rem;
    letter-spacing: -0.5px;
    color: var(--clr-text);
}

.logo span {
    color: var(--clr-gold);
}

/* Main Nav */
.main-nav ul {
    display: flex;
    gap: 32px;
}

.main-nav > ul > li {
    position: relative;
}

.main-nav > ul > li > a {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition);
}

.main-nav > ul > li > a:hover,
.main-nav > ul > li.has-dropdown:hover > a {
    border-color: var(--clr-gold);
}

/* Dropdown */
.dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: -12px;
    min-width: 180px;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li a {
    display: block;
    padding: 9px 20px;
    font-size: 0.82rem;
    font-weight: 400;
    transition: background var(--transition);
}

.dropdown li a:hover {
    background: var(--clr-bg);
}

/* Cart Trigger */
.cart-trigger {
    position: relative;
    color: var(--clr-text);
    transition: color var(--transition);
}

.cart-trigger:hover {
    color: var(--clr-gold);
}

.cart-badge {
    position: absolute;
    top: -7px;
    right: -9px;
    background: var(--clr-gold);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 500;
    width: 17px;
    height: 17px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   CART PANEL (SHOPPING LIST)
   ============================================================ */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 199;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.cart-overlay.open {
    opacity: 1;
    visibility: visible;
}

.cart-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 360px;
    max-width: 90vw;
    height: 100%;
    background: var(--clr-cart-bg);
    color: var(--clr-cart-text);
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.32s cubic-bezier(.4,0,.2,1);
    box-shadow: -8px 0 32px rgba(0,0,0,0.2);
}

.cart-panel.open {
    transform: translateX(0);
}

.cart-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 24px 16px;
    border-bottom: 1px solid rgba(244,242,239,0.12);
}

.cart-panel-header h2 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
}

.cart-close {
    font-size: 1.6rem;
    color: var(--clr-cart-text);
    opacity: 0.5;
    transition: opacity var(--transition);
    line-height: 1;
}

.cart-close:hover {
    opacity: 1;
}

/* Cart items list */
.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
}

.cart-items:empty::after {
    content: 'Your cart is empty';
    display: block;
    text-align: center;
    color: rgba(244,242,239,0.35);
    font-size: 0.82rem;
    margin-top: 48px;
    letter-spacing: 0.5px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(244,242,239,0.08);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-name {
    flex: 1;
    font-size: 0.82rem;
    font-weight: 400;
    line-height: 1.4;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Quantity input inside cart */
.cart-item-qty input {
    width: 42px;
    height: 32px;
    background: rgba(244,242,239,0.08);
    border: 1px solid rgba(244,242,239,0.15);
    border-radius: var(--radius);
    color: var(--clr-cart-text);
    font-family: var(--font-body);
    font-size: 0.82rem;
    text-align: center;
    outline: none;
    transition: border-color var(--transition);
}

.cart-item-qty input:focus {
    border-color: var(--clr-gold);
}

.cart-item-price {
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--clr-gold-light);
    min-width: 56px;
    text-align: right;
}

.cart-item-remove {
    font-size: 1rem;
    color: rgba(244,242,239,0.35);
    transition: color var(--transition);
    padding: 0 2px;
}

.cart-item-remove:hover {
    color: #e8736a;
}

/* Cart footer */
.cart-footer {
    padding: 20px 24px 28px;
    border-top: 1px solid rgba(244,242,239,0.12);
}

.cart-total {
    font-size: 0.88rem;
    font-weight: 400;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
}

.checkout-btn {
    width: 100%;
    padding: 14px;
    background: var(--clr-gold);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    border-radius: var(--radius);
    transition: background var(--transition), transform 0.12s;
}

.checkout-btn:hover {
    background: #b8955a;
}

.checkout-btn:active {
    transform: scale(0.97);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px 0;
    width: 100%;
}

.breadcrumb ol {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    letter-spacing: 0.4px;
}

.breadcrumb li:not(:last-child)::after {
    content: '›';
    margin-left: 8px;
    color: var(--clr-border);
}

.breadcrumb a {
    color: var(--clr-text-muted);
    transition: color var(--transition);
}

.breadcrumb a:hover {
    color: var(--clr-gold);
}

.breadcrumb .active {
    color: var(--clr-text);
    font-weight: 400;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    max-width: 1200px;
    margin: 32px auto 0;
    padding: 0 24px;
    width: 100%;
}

.hero-content {
    background: linear-gradient(135deg, var(--clr-accent) 0%, #2e2420 100%);
    border-radius: var(--radius-lg);
    padding: 72px 56px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero-content::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: var(--clr-gold);
    opacity: 0.08;
}

.hero-content::after {
    content: '';
    position: absolute;
    bottom: -40px;
    left: 30%;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: var(--clr-gold);
    opacity: 0.05;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 3rem;
    letter-spacing: -1px;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.hero-content p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    max-width: 420px;
    position: relative;
    z-index: 1;
}

/* ============================================================
   SECTION TITLES
   ============================================================ */
.section-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.8rem;
    letter-spacing: 0.3px;
    color: var(--clr-text);
    margin-bottom: 8px;
}

/* ============================================================
   CATEGORIES GRID
   ============================================================ */
.categories-section {
    max-width: 1200px;
    margin: 48px auto 0;
    padding: 0 24px;
    width: 100%;
}

.category-grid {
    display: flex;
    gap: 20px;
    margin-top: 24px;
}

.category-card {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    height: 220px;
    background: var(--clr-accent);
    transition: transform var(--transition), box-shadow var(--transition);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.category-card-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
    transition: opacity var(--transition);
}

.category-card:hover .category-card-img {
    opacity: 0.45;
}

/* Category image sources (legacy, no longer used) */
.cat-img-electronics { background-image: url('../images/cat-electronics.jpg'); }
.cat-img-fashion     { background-image: url('../images/cat-fashion.jpg'); }
.cat-img-home        { background-image: url('../images/cat-home.jpg'); }

.category-card h3 {
    position: relative;
    z-index: 1;
    color: #fff;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.3rem;
    letter-spacing: 0.5px;
    padding: 24px;
    margin-top: auto;
    background: linear-gradient(transparent, rgba(0,0,0,0.5));
    height: 100%;
    display: flex;
    align-items: flex-end;
}

/* ============================================================
   PRODUCT GRID (CSS TABLELESS — FLEXBOX)
   ============================================================ */
.products-section {
    max-width: 1200px;
    margin: 48px auto 0;
    padding: 0 24px;
    width: 100%;
}

.product-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 28px;
}

.product-card {
    flex: 1 1 calc(33.333% - 16px);
    max-width: calc(33.333% - 16px);
    min-width: 220px;
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.product-card-link {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-thumbnail {
    height: 220px;
    background: var(--clr-bg);
    overflow: hidden;
}

.product-thumbnail img {
    transition: transform 0.38s ease;
}

.product-card:hover .product-thumbnail img {
    transform: scale(1.04);
}

.product-info {
    padding: 18px 20px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-info h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--clr-text);
    letter-spacing: 0.2px;
}

.product-price {
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--clr-gold);
    margin-top: 6px;
}

/* Add to Cart button on card */
.product-card > .add-to-cart-btn {
    margin: 0 20px 18px;
    padding: 10px;
    border: 1px solid var(--clr-accent);
    border-radius: var(--radius);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--clr-accent);
    background: transparent;
    transition: background var(--transition), color var(--transition);
}

.product-card > .add-to-cart-btn:hover {
    background: var(--clr-accent);
    color: #fff;
}

/* ============================================================
   PAGE HEADER (category title)
   ============================================================ */
.page-header {
    max-width: 1200px;
    margin: 28px auto 0;
    padding: 0 24px;
    width: 100%;
}

.page-header h1 {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 2.2rem;
    color: var(--clr-text);
}

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.product-detail-section {
    max-width: 1200px;
    margin: 36px auto 0;
    padding: 0 24px;
    width: 100%;
}

.product-detail-container {
    display: flex;
    gap: 56px;
    align-items: flex-start;
}

.product-detail-images {
    flex: 1;
    min-width: 0;
}

.product-detail-images img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    background: var(--clr-bg);
}

/* Info side */
.product-detail-info {
    flex: 0 0 380px;
    max-width: 380px;
}

.product-detail-info h1 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 2.2rem;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.detail-price {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--clr-gold);
    margin-top: 12px;
}

.detail-description {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    margin-top: 18px;
    line-height: 1.7;
}

.detail-actions {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-actions label {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--clr-text-muted);
}

.qty-input {
    width: 80px;
    height: 40px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.88rem;
    text-align: center;
    color: var(--clr-text);
    background: var(--clr-surface);
    outline: none;
    transition: border-color var(--transition);
}

.qty-input:focus {
    border-color: var(--clr-gold);
}

.detail-add-btn {
    padding: 14px 32px;
    background: var(--clr-accent);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    border-radius: var(--radius);
    align-self: flex-start;
    transition: background var(--transition), transform 0.12s;
}

.detail-add-btn:hover {
    background: var(--clr-accent-hover);
}

.detail-add-btn:active {
    transform: scale(0.96);
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
    margin-top: auto;
    padding-top: 64px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 48px;
    display: flex;
    gap: 48px;
}

.footer-brand {
    flex: 2;
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: 10px;
}

.footer-brand p {
    font-size: 0.78rem;
    color: var(--clr-text-muted);
}

.footer-nav {
    flex: 1;
}

.footer-nav h4 {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    margin-bottom: 16px;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
    transition: color var(--transition);
}

.footer-nav a:hover {
    color: var(--clr-gold);
}

.footer-bottom {
    border-top: 1px solid var(--clr-border);
    padding: 20px 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.72rem;
    color: var(--clr-text-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .product-card {
        flex: 1 1 calc(50% - 12px);
        max-width: calc(50% - 12px);
    }

    .product-detail-container {
        flex-direction: column;
        gap: 32px;
    }

    .product-detail-info {
        flex: 1;
        max-width: 100%;
    }

    .category-grid {
        flex-wrap: wrap;
    }

    .category-card {
        flex: 1 1 calc(50% - 10px);
        max-width: calc(50% - 10px);
    }
}

/* ============================================================
   QTY BUTTONS IN CART (Phase 3)
   ============================================================ */
.qty-dec,
.qty-inc {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(244,242,239,0.10);
    border: 1px solid rgba(244,242,239,0.15);
    border-radius: var(--radius);
    color: var(--clr-cart-text);
    font-size: 0.85rem;
    line-height: 1;
    transition: background var(--transition);
    cursor: pointer;
}

.qty-dec:hover,
.qty-inc:hover {
    background: rgba(244,242,239,0.20);
}

/* Category card skeleton placeholder */
.category-card-skeleton {
    flex: 1;
    border-radius: var(--radius-lg);
    height: 220px;
    background: linear-gradient(90deg, #e8e4df 25%, #f0ede9 50%, #e8e4df 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@media (max-width: 600px) {
    .header-inner {
        padding: 0 16px;
    }

    .main-nav {
        display: none;
    }

    .product-card {
        flex: 1 1 100%;
        max-width: 100%;
    }

    .category-card {
        flex: 1 1 100%;
        max-width: 100%;
        height: 160px;
    }

    .hero-content {
        padding: 48px 28px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .product-detail-images img {
        height: 280px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 32px;
    }
}