/* ======================================================
   Professional Product Grid Styling
   Zanaat Workshop - Modern Digital Marketplace
   ====================================================== */

/* -------------------------------------------
   1. Variables & Base Styles
   ------------------------------------------- */
/* Colour palette now supplied by the central theme bridge (theme.css) */
:root {
    /* UI elements */
    --product-card-radius: 16px;
    --product-badge-radius: 8px;
    --product-btn-radius: 10px;
    --product-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* -------------------------------------------
   2. Section Header Styling
   ------------------------------------------- */
.product-grid-section {
    position: relative;
    padding: 5rem 0;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--z-bg) 0%,
        var(--z-surface-1) 50%,
        var(--z-bg-deep) 100%
    );
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--z-accent), var(--z-accent-light));
    border: 1px solid var(--z-accent-glow);
    border-radius: 50px;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.section-badge i {
    color: var(--product-accent);
    font-size: 0.875rem;
}

.section-badge span {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--z-text);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    position: relative;
    display: inline-block;
}

.title-main {
    color: var(--z-text);
    margin-right: 0.5rem;
}

.title-accent {
    background: linear-gradient(135deg, var(--product-accent), var(--product-accent-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.title-accent::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--product-accent), transparent);
    border-radius: 3px;
}

.section-description {
    max-width: 600px;
    margin: 0 auto 2rem;
    color: var(--z-text-sec);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Filter Pills */
.filter-pills {
    position: relative;
    z-index: 3;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.pill-filter {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: var(--z-text-sec);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pill-filter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--product-accent), var(--product-accent-dark));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    border-radius: inherit;
}

.pill-filter:hover {
    color: #fff;
    border-color: var(--z-accent);
    transform: translateY(-2px);
}

.pill-filter:hover::before {
    opacity: 0.1;
}

.pill-filter.active {
    background: var(--z-accent-glow);
    color: var(--product-accent);
    border-color: var(--z-accent);
    box-shadow: 0 4px 12px var(--z-accent-glow);
}

.pill-filter.active::before {
    opacity: 0.2;
}

.pill-filter i {
    font-size: 0.75rem;
}

/* -------------------------------------------
   3. Products Grid Layout
   ------------------------------------------- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--product-card-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.empty-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--product-accent);
    font-size: 2rem;
}

.empty-state h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--z-text);
}

.empty-state p {
    color: var(--z-text-sec);
    margin-bottom: 1.5rem;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--product-btn-radius);
    color: var(--z-text);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--product-shadow-sm);
}


/* -------------------------------------------
   5. Section Footer & Pagination
   ------------------------------------------- */
.section-footer {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, 
        var(--z-accent-glow) 0%, 
        var(--z-accent-glow) 100%);
    border: 1px solid var(--z-accent-glow);
    border-radius: var(--product-btn-radius);
    color: var(--product-accent);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-hover-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-view-all:hover {
    background: linear-gradient(135deg, 
        var(--z-accent-glow) 0%, 
        var(--z-accent-glow) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 15px var(--z-accent-glow);
}

.btn-view-all:hover .btn-hover-effect {
    transform: translateX(100%);
}

.btn-view-all i {
    transition: transform 0.3s ease;
}

.btn-view-all:hover i {
    transform: translateX(4px);
}

/* Pagination */
.products-pagination {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
}

.pagination-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.pagination-number, 
.pagination-arrow {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: var(--z-text-sec);
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
}

.pagination-number:hover,
.pagination-arrow:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--z-text);
}

.pagination-number.active {
    background: var(--product-accent);
    color: var(--product-primary-dark);
}

/* -------------------------------------------
   6. Animations & Effects
   ------------------------------------------- */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 var(--z-accent-glow);
    }
    70% {
        box-shadow: 0 0 0 10px var(--z-accent-glow);
    }
    100% {
        box-shadow: 0 0 0 0 var(--z-accent-glow);
    }
}

/* Animation classes for JS implementation */
.product-card.animate-in {
    animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.product-card.animate-out {
    animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) reverse forwards;
}

.product-card.hidden {
    display: none;
}

/* Loading skeleton animation */
@keyframes loadingPulse {
    0% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.product-card.loading .product-image,
.product-card.loading .product-title,
.product-card.loading .price,
.product-card.loading .author-avatar,
.product-card.loading .author-name,
.product-card.loading .category {
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.05) 25%, 
        rgba(255, 255, 255, 0.1) 50%, 
        rgba(255, 255, 255, 0.05) 75%);
    background-size: 200% 100%;
    animation: loadingPulse 1.5s infinite linear;
    color: transparent;
    border-radius: 4px;
}

.product-card.loading .product-image {
    min-height: 200px;
}

/* Add to cart animation */
.action-btn.cart.added {
    background: var(--product-accent);
    color: var(--product-primary-dark);
    animation: pulse 1s;
}

.action-btn.cart.added i {
    animation: scaleIn 0.3s;
}

/* Wishlist animation */
.action-btn.wishlist.added {
    background: var(--z-danger);
    color: white;
}

.action-btn.wishlist.added i {
    animation: scaleIn 0.3s;
}

/* -------------------------------------------
   7. Responsive Adjustments
   ------------------------------------------- */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 1.25rem;
    }
    
    .filter-pills {
        gap: 0.5rem;
    }
    
    .pill-filter {
        padding: 0.4rem 1rem;
        font-size: 0.8125rem;
    }
}

@media (max-width: 768px) {
    .product-grid-section {
        padding: 3rem 0;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 1rem;
    }
    
    .product-title {
        font-size: 0.9375rem;
    }
    
    .filter-pills {
        overflow-x: auto;
        padding-bottom: 1rem;
        justify-content: flex-start;
        margin-top: 1.5rem;
    }
    
    .pill-filter {
        white-space: nowrap;
    }
    
    .card-actions {
        transform: translateX(0);
        opacity: 1;
    }
}

@media (max-width: 576px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 0.875rem;
    }
    
    .product-info {
        padding: 1rem;
        gap: 0.5rem;
    }
    
    .product-title {
        font-size: 0.875rem;
    }
    
    .price {
        font-size: 1rem;
    }
    
    .action-btn {
        width: 32px;
        height: 32px;
    }
    
    .tooltip {
        display: none;
    }
    
    .badge {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }
    
    .section-badge {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn-view-all {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }
}

/* -------------------------------------------
   8. Dark Mode & High Contrast Enhancements
   ------------------------------------------- */
@media (prefers-color-scheme: dark) {
    .product-card {
        background: linear-gradient(145deg, 
            var(--z-overlay) 0%, 
            var(--z-overlay-heavy) 100%);
    }
}

@media (prefers-contrast: high) {
    .product-card {
        border: 2px solid rgba(255, 255, 255, 0.2);
    }
    
    .badge, .action-btn, .category {
        border: 1px solid rgba(255, 255, 255, 0.4);
    }
    
    .product-title, .price {
        color: white;
    }
}

/* -------------------------------------------
   9. Print Styles
   ------------------------------------------- */
@media print {
    .product-grid-section {
        background: white !important;
        color: black !important;
    }
    
    .product-card {
        page-break-inside: avoid;
        border: 1px solid #ddd;
        background: white !important;
    }
    
    .card-actions, .hover-overlay, .filter-pills, .section-footer {
        display: none !important;
    }
    
    .product-title, .price, .author-name {
        color: black !important;
    }
}

/* -------------------------------------------
   Enhanced Product Grid Section with Animated Background
   ------------------------------------------- */
.product-grid-section {
    position: relative;
    padding: 5rem 0;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--z-bg) 0%,
        var(--z-surface-1) 50%,
        var(--z-bg-deep) 100%
    );
}

/* Product Background Effects */
.product-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.product-gradient-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, var(--z-accent-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, var(--z-accent-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 70%, var(--z-accent-glow) 0%, transparent 50%);
}

.product-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(1px 1px at 25px 35px, var(--z-accent-glow), transparent),
        radial-gradient(1px 1px at 50px 75px, var(--z-accent-glow), transparent),
        radial-gradient(1px 1px at 90px 45px, var(--z-accent-glow), transparent),
        radial-gradient(1px 1px at 130px 85px, var(--z-accent-glow), transparent),
        radial-gradient(1px 1px at 170px 25px, var(--z-accent-glow), transparent);
    background-repeat: repeat;
    background-size: 180px 120px;
    animation: productParticleFloat 25s linear infinite;
}

@keyframes productParticleFloat {
    0% { transform: translateX(0px) translateY(0px); }
    33% { transform: translateX(-30px) translateY(-30px); }
    66% { transform: translateX(30px) translateY(-60px); }
    100% { transform: translateX(0px) translateY(-120px); }
}

.product-floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.product-shape-1 {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 10%;
    left: 5%;
    background: linear-gradient(45deg, var(--z-accent), var(--z-accent-light));
    border-radius: 50%;
    animation: productFloatShape1 20s ease-in-out infinite;
}

.product-shape-2 {
    position: absolute;
    width: 80px;
    height: 80px;
    top: 70%;
    right: 8%;
    background: linear-gradient(45deg, var(--z-accent), var(--z-accent-light));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: productFloatShape2 18s ease-in-out infinite;
}

.product-shape-3 {
    position: absolute;
    width: 120px;
    height: 120px;
    top: 40%;
    left: 85%;
    background: linear-gradient(45deg, var(--z-accent), var(--z-accent-light));
    border-radius: 50%;
    animation: productFloatShape3 22s ease-in-out infinite;
}

.product-shape-4 {
    position: absolute;
    width: 60px;
    height: 60px;
    top: 20%;
    left: 50%;
    background: linear-gradient(45deg, var(--z-accent), var(--z-accent-light));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: productFloatShape4 16s ease-in-out infinite;
}

@keyframes productFloatShape1 {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    50% { transform: translateY(-40px) rotate(180deg) scale(1.1); }
}

@keyframes productFloatShape2 {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    50% { transform: translateY(-30px) rotate(-180deg) scale(0.9); }
}

@keyframes productFloatShape3 {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    50% { transform: translateY(-50px) rotate(180deg) scale(1.2); }
}

@keyframes productFloatShape4 {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    50% { transform: translateY(-25px) rotate(-180deg) scale(0.8); }
}

.product-mesh-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(var(--z-accent-glow) 1px, transparent 1px),
        linear-gradient(90deg, var(--z-accent-glow) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: productMeshMove 30s linear infinite;
}

@keyframes productMeshMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.product-glow-orbs {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    animation: productGlowFloat 15s ease-in-out infinite;
}

.orb-1 {
    width: 200px;
    height: 200px;
    top: 20%;
    left: 10%;
    background: radial-gradient(circle, var(--z-accent-glow) 0%, transparent 70%);
    animation-delay: 0s;
}

.orb-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    background: radial-gradient(circle, var(--z-accent-glow) 0%, transparent 70%);
    animation-delay: 5s;
}

.orb-3 {
    width: 180px;
    height: 180px;
    top: 10%;
    right: 30%;
    background: radial-gradient(circle, var(--z-accent-glow) 0%, transparent 70%);
    animation-delay: 10s;
}

@keyframes productGlowFloat {
    0%, 100% { transform: translateY(0px) translateX(0px) scale(1); }
    33% { transform: translateY(-50px) translateX(-30px) scale(1.1); }
    66% { transform: translateY(-20px) translateX(30px) scale(0.9); }
}

/* Enhanced Section Elements */
.section-badge {
    position: relative;
    overflow: hidden;
}

.badge-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--z-accent-glow), transparent);
    animation: badgeGlow 3s ease-in-out infinite;
}

@keyframes badgeGlow {
    0% { left: -100%; }
    50% { left: 100%; }
    100% { left: 100%; }
}

.title-underline {
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--product-accent), var(--product-accent-light));
    border-radius: 2px;
    animation: titleUnderlineGrow 2s ease-out 0.5s forwards;
}

@keyframes titleUnderlineGrow {
    0% { width: 0; }
    100% { width: 150px; }
}

/* Enhanced Container */
.product-grid-section .container {
    position: relative;
    z-index: 2;
}

/* Enhanced Filter Pills with Background Interaction */
.filter-pills {
    position: relative;
    z-index: 3;
}

.pill-filter {
    position: relative;
    overflow: hidden;
}

.pill-filter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--product-accent), var(--product-accent-dark));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    border-radius: inherit;
}

.pill-filter:hover::before,
.pill-filter.active::before {
    opacity: 0.15;
}

/* Enhanced Product Cards with Background Interaction */
.product-card {
    position: relative;
    z-index: 2;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        var(--z-accent-glow) 0%,
        var(--z-accent-glow) 50%,
        var(--z-accent-glow) 100%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
    z-index: -1;
}

.product-card:hover::before {
    opacity: 1;
}

/* Responsive Adjustments for Background */
@media (max-width: 1200px) {
    .product-particles {
        background-size: 150px 100px;
    }
    
    .product-shape-1,
    .product-shape-2,
    .product-shape-3,
    .product-shape-4 {
        transform: scale(0.8);
    }
    
    .glow-orb {
        filter: blur(30px);
    }
}

@media (max-width: 992px) {
    .product-particles {
        background-size: 120px 80px;
        opacity: 0.7;
    }
    
    .product-floating-shapes {
        opacity: 0.6;
    }
    
    .product-glow-orbs {
        opacity: 0.5;
    }
}

@media (max-width: 768px) {
    .product-grid-section {
        padding: 3rem 0;
    }
    
    .product-particles {
        background-size: 100px 60px;
        opacity: 0.5;
    }
    
    .product-floating-shapes,
    .product-mesh-overlay {
        display: none;
    }
    
    .product-glow-orbs {
        opacity: 0.3;
    }
}

@media (max-width: 480px) {
    .product-particles,
    .product-glow-orbs {
        display: none;
    }
    
    .product-gradient-bg {
        opacity: 0.5;
    }
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
    .product-particles,
    .product-floating-shapes,
    .product-mesh-overlay,
    .product-glow-orbs,
    .badge-glow,
    .title-underline {
        animation: none;
    }
    
    .product-shape-1,
    .product-shape-2,
    .product-shape-3,
    .product-shape-4,
    .glow-orb {
        animation: none;
        transform: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .product-background {
        opacity: 0.3;
    }
    
    .product-particles,
    .product-glow-orbs {
        display: none;
    }
}

/* GPU Acceleration for better performance */
.product-particles,
.product-floating-shapes .floating-shape,
.product-mesh-overlay,
.glow-orb,
.badge-glow {
    will-change: transform;
    transform: translateZ(0);
}