/* =====================================================
   LinhGallery – site.css
   Palette: White (#FFFFFF) + Navy (#0A2342, #1B3A6B)
   ===================================================== */

/* ─── Google Fonts ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ─── Variables ─────────────────────────────────────── */
:root {
    --navy: #0A2342;
    --navy-mid: #1B3A6B;
    --blue: #2557A7;
    --blue-light: #3B82F6;
    --accent: #C8A96E;      /* gold accent for art gallery feel */
    --white: #FFFFFF;
    --off-white: #F8FAFF;
    --light-gray: #EDF1F7;
    --border: #D1DCF0;
    --text-dark: #0A2342;
    --text-mid: #4A5568;
    --text-light: #718096;
    --danger: #E53E3E;
    --success: #38A169;
    --shadow-sm: 0 1px 3px rgba(10,35,66,0.08);
    --shadow-md: 0 4px 16px rgba(10,35,66,0.12);
    --shadow-lg: 0 8px 32px rgba(10,35,66,0.16);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.25s ease;
}

/* ─── Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--off-white); }
::-webkit-scrollbar-thumb { background: var(--navy-mid); border-radius: 3px; }

/* =====================================================
   HEADER / NAVBAR
   ===================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.header-top {
    background: var(--navy);
    padding: 10px 0;
}

.header-top-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    white-space: nowrap;
}
.site-logo span { color: var(--accent); }

.header-search {
    flex: 1;
    max-width: 480px;
    display: flex;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 24px;
    overflow: hidden;
}
.header-search input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 8px 16px;
    color: var(--white);
    font-size: 0.875rem;
}
.header-search input::placeholder { color: rgba(255,255,255,0.6); }
.header-search button {
    padding: 8px 16px;
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
}
.header-search button:hover { color: var(--white); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.header-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0 14px;
    height: 38px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.3);
    transition: var(--transition);
    white-space: nowrap;
}
.header-btn:hover { background: rgba(255,255,255,0.1); }
.header-btn.cart-btn { background: var(--accent); border-color: var(--accent); color: var(--navy); }
.header-btn.cart-btn:hover { background: #b8964e; }
.cart-count {
    background: var(--white);
    color: var(--navy);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ─── Nav Tabs ──────────────────────────────────────── */
.nav-tabs-bar {
    background: var(--navy-mid);
    border-top: 1px solid rgba(255,255,255,0.1);
}
.nav-tabs-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav-tabs-inner::-webkit-scrollbar { display: none; }
.nav-tab {
    padding: 14px 20px;
    color: rgba(255,255,255,0.8);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    cursor: pointer;
}
.nav-tab:hover { color: var(--white); background: rgba(255,255,255,0.05); }
.nav-tab.active { color: var(--white); border-bottom-color: var(--accent); }

/* ─── Mobile Menu Toggle ────────────────────────────── */
.mobile-menu-btn {
    display: none;
    color: var(--white);
    font-size: 1.3rem;
    padding: 4px 8px;
}

/* =====================================================
   HERO BANNER
   ===================================================== */
.hero-banner {
    background: #111827; /* Dark elegant simple background */
    padding: 80px 20px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.hero-banner::before {
    display: none;
}
.hero-content { position: relative; }
.hero-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.2;
}
.hero-content h1 span { color: var(--accent); }
.hero-content p {
    font-size: 1rem;
    opacity: 0.85;
    max-width: 520px;
    margin: 0 auto 28px;
}
.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--navy);
    padding: 12px 28px;
    border-radius: 28px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(200,169,110,0.4);
}
.hero-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(200,169,110,0.5); }

/* =====================================================
   SECTION HEADERS
   ===================================================== */
.section { padding: 48px 20px; max-width: 1200px; margin: 0 auto; }
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    position: relative;
    padding-bottom: 10px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.section-link {
    font-size: 0.875rem;
    color: var(--blue);
    font-weight: 500;
    transition: var(--transition);
}
.section-link:hover { color: var(--navy); }

/* =====================================================
   CATEGORY FILTER BAR
   ===================================================== */
.filter-bar {
    background: var(--off-white);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
}
.filter-bar-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.filter-bar-inner::-webkit-scrollbar { display: none; }
.filter-chip {
    padding: 12px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-mid);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
}
.filter-chip:hover { color: var(--navy); }
.filter-chip.active { color: var(--navy); border-bottom-color: var(--navy); font-weight: 600; }

/* =====================================================
   ART GRID
   ===================================================== */
.art-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.art-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.art-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--blue-light);
}

.art-card-img {
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--light-gray);
    position: relative;
}
.art-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.art-card:hover .art-card-img img { transform: scale(1.06); }

.art-card-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--light-gray), var(--border));
    color: var(--text-light);
    font-size: 2rem;
}

.art-card-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--navy);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.art-card-body {
    padding: 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.art-card-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 4px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}
.art-card-size {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 8px;
}
.art-card-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy-mid);
    margin-top: auto;
}
.art-card-footer {
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
}
.btn-view {
    flex: 1;
    padding: 8px;
    background: var(--off-white);
    color: var(--navy);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}
.btn-view:hover { background: var(--navy); color: var(--white); }
.btn-cart {
    flex: 1;
    padding: 8px;
    background: var(--navy);
    color: var(--white);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
}
.btn-cart:hover { background: var(--navy-mid); }

/* =====================================================
   CUSTOMER REVIEWS SECTION
   ===================================================== */
.reviews-section {
    background: var(--off-white);
    padding: 48px 20px;
}
.reviews-inner { max-width: 1200px; margin: 0 auto; }
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.review-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.review-card img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    background: #f8f9fa;
}
.review-card-body { padding: 12px; }
.review-card-text { font-size: 0.85rem; color: var(--text-mid); line-height: 1.5; }

/* =====================================================
   ART DETAIL PAGE
   ===================================================== */
.breadcrumb {
    background: var(--off-white);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
}
.breadcrumb-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-light);
}
.breadcrumb-inner a { color: var(--blue); }
.breadcrumb-inner a:hover { color: var(--navy); }
.breadcrumb-inner span { color: var(--text-light); }

.detail-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

/* Gallery */
.detail-gallery { position: sticky; top: 90px; }
.detail-main-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--light-gray);
    margin-bottom: 12px;
    border: 1px solid var(--border);
    display: flex;
    justify-content: center;
    align-items: center;
}
.detail-main-img img {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
}
.detail-thumbs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 4px;
}
.detail-thumbs::-webkit-scrollbar { display: none; }
.detail-thumb {
    width: 72px;
    height: 72px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    background: var(--light-gray);
}
.detail-thumb:hover, .detail-thumb.active { border-color: var(--navy); }
.detail-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Product Info */
.detail-info {}
.detail-category {
    display: inline-block;
    background: var(--light-gray);
    color: var(--text-mid);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}
.detail-name {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--navy);
    line-height: 1.25;
    margin-bottom: 16px;
}
.detail-price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--navy-mid);
    margin-bottom: 24px;
}
.detail-price span { font-size: 1rem; font-weight: 400; color: var(--text-light); }

/* Size Options */
.detail-sizes-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.size-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}
.size-option {
    padding: 10px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    min-width: 110px;
    background: var(--white);
}
.size-option:hover { border-color: var(--navy-mid); background: var(--off-white); }
.size-option.selected { border-color: var(--navy); background: var(--navy); color: var(--white); }
.size-option .size-text { font-size: 0.875rem; font-weight: 600; display: block; }
.size-option .size-price { font-size: 0.78rem; margin-top: 2px; display: block; opacity: 0.8; }

/* Detail Actions */
.detail-qty {
    display: flex;
    align-items: center;
    gap: 0;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    width: fit-content;
    margin-bottom: 20px;
}
.qty-btn {
    padding: 10px 16px;
    background: var(--off-white);
    color: var(--navy);
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
}
.qty-btn:hover { background: var(--navy); color: var(--white); }
.qty-input {
    width: 56px;
    border: none;
    border-left: 2px solid var(--border);
    border-right: 2px solid var(--border);
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
    outline: none;
    padding: 10px 0;
}

.detail-actions { display: flex; flex-direction: column; gap: 12px; }
.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--navy);
    color: var(--white);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn-primary:hover { background: var(--navy-mid); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--white);
    color: var(--navy);
    border: 2px solid var(--navy);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}
.btn-secondary:hover { background: var(--off-white); }

.detail-meta { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--border); }
.detail-meta-row { display: flex; gap: 12px; font-size: 0.875rem; margin-bottom: 8px; }
.detail-meta-label { color: var(--text-light); width: 100px; flex-shrink: 0; }
.detail-meta-value { color: var(--navy); font-weight: 500; }

/* Description Tabs */
.detail-tabs { margin-top: 40px; }
.tabs-nav { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 24px; }
.tab-btn {
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-light);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
    cursor: pointer;
}
.tab-btn.active { color: var(--navy); border-bottom-color: var(--navy); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.tab-pane p { color: var(--text-mid); line-height: 1.8; }

/* Related Products */
.related-section { padding: 40px 20px 60px; background: var(--off-white); }
.related-inner { max-width: 1200px; margin: 0 auto; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* =====================================================
   CART PAGE
   ===================================================== */
.cart-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 32px;
    align-items: start;
}
.cart-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.cart-panel-header {
    background: var(--navy);
    color: var(--white);
    padding: 18px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    font-weight: 600;
}
.cart-empty {
    padding: 48px;
    text-align: center;
    color: var(--text-light);
}
.cart-empty-icon { font-size: 3rem; margin-bottom: 16px; }
.cart-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}
.cart-item:last-child { border-bottom: none; }
.cart-item-img {
    width: 72px;
    height: 90px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--light-gray);
    flex-shrink: 0;
    border: 1px solid var(--border);
}
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name { font-weight: 600; color: var(--navy); font-size: 0.9rem; margin-bottom: 4px; }
.cart-item-size { font-size: 0.8rem; color: var(--text-light); margin-bottom: 6px; }
.cart-item-price { font-weight: 700; color: var(--navy-mid); }
.cart-item-remove {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: var(--transition);
    background: var(--light-gray);
    flex-shrink: 0;
}
.cart-item-remove:hover { background: var(--danger); color: var(--white); }

.cart-summary { padding: 20px 24px; background: var(--off-white); border-top: 2px solid var(--border); }
.cart-summary-row { display: flex; justify-content: space-between; font-size: 0.9rem; margin-bottom: 10px; }
.cart-summary-total { font-size: 1.1rem; font-weight: 700; color: var(--navy); border-top: 1px solid var(--border); padding-top: 12px; margin-top: 8px; }

/* Order Form */
.order-form { }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form-label .req { color: var(--danger); }
.form-control {
    width: 100%;
    padding: 11px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text-dark);
    background: var(--white);
    transition: var(--transition);
    font-family: inherit;
    outline: none;
}
.form-control:focus { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(10,35,66,0.08); }
.form-control::placeholder { color: var(--text-light); }
textarea.form-control { resize: vertical; min-height: 80px; }

.gender-options { display: flex; gap: 12px; }
.gender-opt {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}
.gender-opt input { display: none; }
.gender-opt.selected { border-color: var(--navy); background: var(--navy); color: var(--white); }

.btn-submit {
    width: 100%;
    padding: 15px;
    background: var(--navy);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
    font-family: inherit;
}
.btn-submit:hover { background: var(--navy-mid); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Success Message */
.success-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,35,66,0.6);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.success-overlay.show { display: flex; }
.success-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.3s ease;
}
@keyframes scaleIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.success-icon { font-size: 3.5rem; margin-bottom: 16px; color: var(--success); }
.success-title { font-family: 'Playfair Display', serif; font-size: 1.5rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.success-text { color: var(--text-mid); margin-bottom: 24px; }

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
    background: var(--navy);
    color: rgba(255,255,255,0.8);
    padding: 48px 20px 24px;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand { }
.footer-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}
.footer-logo span { color: var(--accent); }
.footer-desc { font-size: 0.875rem; line-height: 1.7; color: rgba(255,255,255,0.65); }
.footer-title { font-size: 0.875rem; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.875rem; color: rgba(255,255,255,0.65); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.45); }

/* =====================================================
   ADMIN PAGES
   ===================================================== */
.admin-wrapper { display: flex; min-height: 100vh; background: #F0F4FF; }

.admin-sidebar {
    width: 240px;
    background: var(--navy);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: transform 0.3s ease;
}
.admin-sidebar-logo {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    color: var(--white);
    font-weight: 700;
}
.admin-sidebar-logo span { color: var(--accent); }
.admin-sidebar-logo small { display: block; font-family: 'Inter', sans-serif; font-size: 0.7rem; color: rgba(255,255,255,0.4); font-weight: 400; margin-top: 2px; text-transform: uppercase; letter-spacing: 1px; }

.admin-nav { flex: 1; padding: 20px 0; overflow-y: auto; }
.admin-nav-label { padding: 8px 20px; font-size: 0.65rem; font-weight: 700; color: rgba(255,255,255,0.35); text-transform: uppercase; letter-spacing: 1.2px; }
.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255,255,255,0.75);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border-left: 3px solid transparent;
}
.admin-nav-item:hover { background: rgba(255,255,255,0.06); color: var(--white); }
.admin-nav-item.active { background: rgba(255,255,255,0.1); color: var(--white); border-left-color: var(--accent); }
.admin-nav-item .nav-icon { width: 20px; text-align: center; font-size: 1rem; flex-shrink: 0; }

.admin-sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.admin-logout {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}
.admin-logout:hover { color: var(--white); }

.admin-main {
    margin-left: 240px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 16px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
}
.admin-topbar-title { font-size: 1.15rem; font-weight: 700; color: var(--navy); }
.admin-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-mid);
}
.admin-avatar {
    width: 36px;
    height: 36px;
    background: var(--navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 0.875rem;
}

.admin-content { padding: 28px; flex: 1; }

/* Admin Stats Cards */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}
.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 18px;
}
.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}
.stat-icon.navy { background: var(--navy); color: var(--white); }
.stat-icon.blue { background: var(--blue-light); color: var(--white); }
.stat-icon.gold { background: var(--accent); color: var(--navy); }
.stat-info { }
.stat-value { font-size: 1.6rem; font-weight: 700; color: var(--navy); line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

/* Admin Panels */
.admin-panel {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: 24px;
}
.admin-panel-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--off-white);
}
.admin-panel-title { font-size: 0.95rem; font-weight: 700; color: var(--navy); }
.btn-add {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--navy);
    color: var(--white);
    border-radius: var(--radius);
    font-size: 0.825rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}
.btn-add:hover { background: var(--navy-mid); }

/* Admin Table */
.admin-table-wrap { overflow-x: auto; }
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.admin-table th {
    padding: 13px 16px;
    background: var(--off-white);
    color: var(--text-mid);
    font-weight: 600;
    text-align: left;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.admin-table td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-dark);
    vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--off-white); }
.admin-table .art-thumb {
    width: 48px;
    height: 60px;
    border-radius: 4px;
    object-fit: cover;
    background: var(--light-gray);
    border: 1px solid var(--border);
}
.table-actions { display: flex; gap: 6px; }
.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    transition: var(--transition);
    cursor: pointer;
}
.btn-icon.edit { background: var(--off-white); color: var(--blue); border: 1px solid var(--border); }
.btn-icon.edit:hover { background: var(--blue); color: var(--white); }
.btn-icon.del { background: var(--off-white); color: var(--danger); border: 1px solid var(--border); }
.btn-icon.del:hover { background: var(--danger); color: var(--white); }
.btn-icon.view { background: var(--off-white); color: var(--success); border: 1px solid var(--border); }
.btn-icon.view:hover { background: var(--success); color: var(--white); }

/* Admin Reviews Grid */
.reviews-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
    padding: 20px 24px;
}
.review-admin-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    background: var(--light-gray);
}
.review-admin-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.review-admin-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,35,66,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}
.review-admin-card:hover .review-admin-overlay { opacity: 1; }

/* Admin Modal */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,35,66,0.55);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--navy);
    color: var(--white);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.modal-title { font-size: 1rem; font-weight: 700; }
.modal-close {
    font-size: 1.3rem;
    cursor: pointer;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}
.modal-close:hover { color: var(--white); }
.modal-body { padding: 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    background: var(--off-white);
}
.btn-cancel {
    padding: 10px 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--text-mid);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-cancel:hover { border-color: var(--text-mid); }
.btn-save {
    padding: 10px 24px;
    background: var(--navy);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-save:hover { background: var(--navy-mid); }

/* Toggle Switch */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-mid);
}
.toggle-switch {
    position: relative;
    width: 42px;
    height: 24px;
}
.toggle-switch input { display: none; }
.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 12px;
    transition: var(--transition);
}
.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--white);
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle-switch input:checked + .toggle-slider { background: var(--navy); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); }

/* File Upload */
.upload-zone {
    display: block;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--off-white);
}
.upload-zone:hover { border-color: var(--navy); background: rgba(10,35,66,0.03); }
.upload-zone-icon { font-size: 2rem; margin-bottom: 10px; color: var(--text-light); }
.upload-zone-text { font-size: 0.875rem; color: var(--text-mid); }
.upload-zone input { display: none; }
.upload-preview { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.upload-preview img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-pending { background: #FEF3C7; color: #92400E; }
.badge-confirmed { background: #D1FAE5; color: #065F46; }
.badge-hidden { background: var(--light-gray); color: var(--text-light); }
.badge-visible { background: #D1FAE5; color: #065F46; }

/* Admin Login */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #2557A7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.login-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(10,35,66,0.4);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--navy);
    font-weight: 700;
}
.login-logo h1 span { color: var(--accent); }
.login-logo p { font-size: 0.85rem; color: var(--text-light); margin-top: 6px; }
.login-error { background: #FEE2E2; color: var(--danger); padding: 12px 16px; border-radius: var(--radius); font-size: 0.875rem; margin-bottom: 16px; display: none; }
.login-error.show { display: block; }

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--navy);
    color: var(--white);
    padding: 14px 20px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    transform: translateY(80px);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 320px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
    .art-grid, .reviews-grid { grid-template-columns: repeat(3, 1fr); }
    .related-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 768px) {
    .header-search { display: none; }
    .d-hide-sm { display: none !important; }
    .mobile-menu-btn { display: block; }
    .nav-tabs-inner { gap: 0; }
    .nav-tab { padding: 12px 14px; font-size: 0.8rem; }

    .hero-banner { padding: 40px 16px; }

    .art-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .related-grid { grid-template-columns: repeat(2, 1fr); }

    .detail-page { grid-template-columns: 1fr; gap: 24px; }
    .detail-gallery { position: static; }

    .cart-page { grid-template-columns: 1fr; }

    .admin-sidebar { transform: translateX(-100%); }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-main { margin-left: 0; }
    .admin-stats { grid-template-columns: 1fr; }

    .footer-inner { grid-template-columns: 1fr; gap: 24px; }

    .modal-box { max-width: 100%; }
}

@media (max-width: 480px) {
    .art-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .art-card-body { padding: 10px; }
    .art-card-name { font-size: 0.8rem; }
    .art-card-price { font-size: 0.9rem; }
    .art-card-footer { padding: 8px 10px; }

    .size-options { gap: 8px; }
    .size-option { min-width: 90px; padding: 8px 12px; }

    .cart-page { padding: 16px; }
    .admin-content { padding: 16px; }
    .login-card { padding: 32px 24px; }
}

/* ─── Utilities ─────────────────────────────────────── */
.text-center { text-align: center; }
.text-navy { color: var(--navy); }
.text-accent { color: var(--accent); }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.page-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 4px;
}
.page-subtitle { font-size: 0.875rem; color: var(--text-light); }

/* Loading Spinner */
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--navy);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.img-placeholder {
    background: linear-gradient(135deg, #e8edf5, #d1dcf0);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}