/* ======================================= */
/* 0. ANIMATED BACKGROUND & PARTICLES      */
/* ======================================= */
:root {
    --purple: #975ab7;
    --brown: #502325;
}

/* Animated background */
body.menu-page-body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(151, 90, 183, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(80, 35, 37, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(179, 124, 217, 0.3) 0%, transparent 50%);
    z-index: -1;
    animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
}

/* Floating particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Twinkling stars effect */
.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: twinkle 3s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

/* ======================================= */
/* 1. DARK THEME & LAYOUT                  */
/* ======================================= */
body.menu-page-body {
    background-color: var(--purple);
    color: white;
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.menu-page-container {
    padding: 130px 5% 30px 5%;
    max-width: 1400px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ======================================= */
/* 2. HEADER STYLES                        */
/* ======================================= */
.static-nav {
    background-color: var(--purple);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.static-nav a, .static-nav .nav-icon {
    color: white;
}

.static-nav .cart-icon span {
    background-color: var(--brown);
    color: white;
}

/* ======================================= */
/* 3. HORIZONTAL CATEGORY FILTER           */
/* ======================================= */
.categories-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
    padding: 0 10px; /* Add padding for mobile */
    animation: slideInFromLeft 0.8s ease-out 0.3s both;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.categories-filter a {
    color: white;
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent; /* Remove tap highlight */
    position: relative;
    overflow: hidden;
    animation: popInScale 0.6s ease-out forwards;
    animation-delay: calc(var(--delay, 0) * 0.1s);
    /* --- OPTIMIZATION --- */
    /* Improve touch interaction speed */
    touch-action: manipulation;
}

@keyframes popInScale {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.categories-filter a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

/* --- OPTIMIZATION --- */
/* Restrict heavy hover effects to devices that can actually hover */
@media (hover: hover) {
    .categories-filter a:hover::before {
        left: 100%;
    }

    .categories-filter a:hover {
        border-color: var(--brown);
        background-color: rgba(80, 35, 37, 0.2);
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(80, 35, 37, 0.3);
    }
}

.categories-filter a.active {
    background-color: var(--brown);
    font-weight: 600;
    border-color: var(--brown);
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(80, 35, 37, 0.4);
}

/* ======================================= */
/* 4. PRODUCT GRID & CARDS                 */
/* ======================================= */
.category-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.8rem;
    text-align: center;
    margin: 0 auto 40px auto;
    padding: 10px 35px;
    border-radius: 50px;
    background-color: rgba(80, 35, 37, 0.2);
    border: 1px solid #975ab7;
    animation: titleGlow 2s ease-in-out infinite alternate;
    position: relative;
    overflow: hidden;
}

@keyframes titleGlow {
    0% {
        box-shadow: 0 0 20px rgba(151, 90, 183, 0.3);
        border-color: rgba(151, 90, 183, 0.8);
    }
    100% {
        box-shadow: 0 0 30px rgba(151, 90, 183, 0.6);
        border-color: rgba(151, 90, 183, 1);
    }
}

.category-title::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    animation: fadeInGrid 1s ease-out 0.5s both;
    /* --- OPTIMIZATION --- */
    /* Isolate this container to improve scrolling performance */
    contain: layout style;
}

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

.product-card {
    background: #502325;
    border-radius: 12px;
    border: 1px solid #975ab7;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    position: relative;
    animation: cardSlideIn 0.8s ease-out forwards;
    animation-delay: calc(var(--card-delay, 0) * 0.1s);
    opacity: 0;
    /* --- OPTIMIZATION --- */
    /* Hint to the browser that this element's transform property will be animated */
    will-change: transform;
}

@keyframes cardSlideIn {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(151, 90, 183, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.product-image {
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

/* --- OPTIMIZATION --- */
/* Only apply heavy hover effects on devices that can properly hover */
@media (hover: hover) {
    .product-card:hover::before {
        opacity: 1;
    }

    .product-card:hover {
        transform: translateY(-15px) scale(1.02);
        box-shadow: 0 20px 40px rgba(151, 90, 183, 0.4);
        border-color: rgba(151, 90, 183, 0.8);
    }

    .product-card:hover .product-image img {
        transform: scale(1.1) rotate(2deg);
    }

    .product-card:hover .product-image::after {
        left: 100%;
    }

    .product-card:hover .product-name {
        color: rgba(151, 90, 183, 1);
        text-shadow: 0 0 10px rgba(151, 90, 183, 0.5);
    }
    
    .product-card:hover .product-price::after {
        transform: translateX(-50%) scaleX(1);
    }
}

.product-info {
    padding: 20px;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: rgba(80, 35, 37, 0.75);
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    position: relative;
    z-index: 2;
}

.product-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin: 0 0 10px 0;
    color: white;
    transition: color 0.3s ease;
}

.product-price {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--purple);
    margin: 0 0 15px 0;
    position: relative;
}

.product-price::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--purple), transparent);
    transition: transform 0.3s ease;
}

/* ======================================= */
/* 5. ADD TO CART BUTTON                   */
/* ======================================= */
.btn-add-to-cart {
    background: linear-gradient(135deg, #502325 0%, rgba(80, 35, 37, 0.8) 100%);
    color: #ffffff;
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    min-height: 44px; /* Touch-friendly size */
    -webkit-tap-highlight-color: transparent;
    /* --- OPTIMIZATION --- */
    touch-action: manipulation;
    will-change: transform, background;
}

.btn-add-to-cart::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.btn-text {
    display: inline-block;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.cart-icon-btn {
    position: absolute;
    right: 20px;
    transform: translateX(200%);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    font-size: 1.1rem;
}

/* ======================================= */
/* 12. REDESIGNED CUSTOMIZE BUTTON         */
/* ======================================= */
.btn-customize {
    background: linear-gradient(135deg, #975ab7 0%, #7b4397 100%);
    color: #ffffff;
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    min-height: 44px; /* Maintain touch-friendly size */
    width: 100%;
    /* --- OPTIMIZATION --- */
    touch-action: manipulation;
    will-change: transform, box-shadow;
}

/* --- OPTIMIZATION --- */
/* Wrap hover effects */
@media (hover: hover) {
    .btn-add-to-cart:hover::before {
        left: 100%;
    }

    .btn-customize:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 25px rgba(151, 90, 183, 0.4);
    }
    
    .btn-customize:hover .default-text {
        transform: translateY(-150%);
    }

    .btn-customize:hover .hover-text {
        transform: translateY(0);
    }
    
    .btn-add-to-cart:hover {
        background: linear-gradient(135deg, #975ab7 0%, rgba(151, 90, 183, 0.8) 100%);
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(151, 90, 183, 0.4);
    }

    .btn-add-to-cart:hover .default-text {
        transform: translateX(-20px);
    }

    .btn-add-to-cart:hover .cart-icon-btn {
        transform: translateX(0);
    }
}


/* Container for the text animations */
.btn-customize span {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.76, 0, 0.24, 1);
}

.btn-customize .default-text {
    transform: translateY(0);
}

.btn-customize .hover-text {
    position: absolute;
    transform: translateY(150%);
}

/* Icons inside the button */
.btn-customize i {
    margin-right: 8px;
}

.btn-customize .hover-text i {
    margin-left: 8px;
    margin-right: 0;
    font-size: 0.9em;
}


/* --- CLICKED (ADDING) STATE --- */
.btn-add-to-cart.adding {
    animation: buttonPulse 0.6s ease-in-out;
}

@keyframes buttonPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.btn-add-to-cart.adding .default-text {
    transform: translateY(-200%);
}

.added-text {
    position: absolute;
    transform: translateY(200%);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.btn-add-to-cart.adding .added-text {
    transform: translateY(0);
}

/* ======================================= */
/* 6. FOOTER STYLES                        */
/* ======================================= */
footer {
    text-align: center;
    padding: 30px 5%;
    margin-top: 40px;
    background-color: var(--brown);
    color: rgba(255, 255, 255, 0.7);
    border-top: 2px solid var(--purple);
    animation: fadeInUp 1s ease-out 1s both;
}

/* ======================================= */
/* 7. TABLET RESPONSIVENESS (992px)        */
/* ======================================= */
@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .category-title {
        font-size: 2.4rem;
        padding: 8px 30px;
    }
}

/* ======================================= */
/* 8. MOBILE RESPONSIVENESS (768px)        */
/* ======================================= */
@media (max-width: 768px) {
    /* --- Layout Adjustments --- */
    .menu-page-container {
        padding: 180px 3% 30px 3%; /* More top padding for mobile header */
    }

    /* --- Category Title --- */
    .category-title {
        font-size: 2rem;
        padding: 8px 20px;
        margin-bottom: 30px;
    }

    /* --- Category Filter --- */
    .categories-filter {
        gap: 10px;
        margin-bottom: 30px;
        justify-content: flex-start; /* Left align on mobile */
        overflow-x: auto; /* Allow horizontal scrolling */
        padding: 0 5px 10px 5px;
        white-space: nowrap; /* Prevent wrapping */
        -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    }

    .categories-filter::-webkit-scrollbar {
        height: 4px;
    }

    .categories-filter::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 2px;
    }

    .categories-filter::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.3);
        border-radius: 2px;
    }

    .categories-filter a {
        padding: 8px 20px;
        font-size: 0.9rem;
        flex-shrink: 0; /* Prevent shrinking */
        display: inline-block;
    }

    /* --- Product Grid --- */
    .product-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 products per row on mobile */
        gap: 12px; /* Reduced gap for better fit */
    }

    .product-card {
        border-radius: 10px;
        height: 300px; /* Slightly reduced height for 2-column layout */
        display: flex;
        flex-direction: column;
    }

    .product-image {
        height: 160px; /* Optimized for 2-column layout */
        overflow: hidden;
    }

    .product-image img {
        height: 100%;
        width: 100%;
        object-fit: cover;
    }

    .product-info {
        padding: 12px; /* Reduced padding for compact design */
        border-bottom-left-radius: 10px;
        border-bottom-right-radius: 10px;
        flex: 1; /* Takes remaining space */
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .product-name {
        font-size: 1rem; /* Smaller text for 2-column layout */
        margin-bottom: 6px;
        line-height: 1.2;
        min-height: 2.4em; /* Reserve space for up to 2 lines */
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .product-price {
        font-size: 1rem;
        margin-bottom: 10px;
        font-weight: 600;
    }

    /* --- Mobile-Optimized Button --- */
    .btn-add-to-cart {
        padding: 8px 16px; /* Compact button */
        font-size: 0.8rem;
        min-height: 36px;
    }

    /* --- OPTIMIZATION --- */
    /* Disable complex hover effects on mobile */
    .product-card:hover, .btn-add-to-cart:hover {
        transform: none;
        box-shadow: 0 5px 15px rgba(151, 90, 183, 0.2);
    }

    .product-card:hover .product-image img {
        transform: none;
    }

    .btn-add-to-cart:hover .default-text {
        transform: none;
    }

    .btn-add-to-cart:hover .cart-icon-btn {
        transform: translateX(200%);
    }

    /* --- OPTIMIZATION --- */
    /* Use :active for touch feedback instead of :hover */
    .product-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }

    .btn-add-to-cart:active {
        transform: scale(0.95);
        background: linear-gradient(135deg, #975ab7 0%, rgba(151, 90, 183, 0.8) 100%);
    }

    /* --- Sidebar Adjustments (if present) --- */
    .sidebar {
        width: 100%;
        position: static;
        box-sizing: border-box;
        margin-bottom: 20px;
    }

    /* --- Footer --- */
    footer {
        padding: 25px 3%;
        font-size: 0.9rem;
    }
}

/* ======================================= */
/* 9. SMALL MOBILE (480px and below)       */
/* ======================================= */
@media (max-width: 480px) {
    /* --- Ultra-compact layout --- */
    .menu-page-container {
        padding: 160px 2% 20px 2%;
    }

    .category-title {
        font-size: 1.6rem;
        padding: 6px 15px;
        margin-bottom: 20px;
    }

    /* --- Keep 2 products per row on small screens --- */
    .product-grid {
        grid-template-columns: repeat(2, 1fr); /* Maintain 2 columns */
        gap: 8px; /* Very tight spacing for small screens */
    }

    .product-card {
        height: 280px; /* Compact height for small screens */
    }

    .product-image {
        height: 140px; /* Smaller image for compact layout */
        overflow: hidden;
    }

    .product-image img {
        height: 100%;
        width: 100%;
        object-fit: cover;
    }

    .product-info {
        padding: 10px; /* Minimal padding */
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    /* Ensure text content has consistent spacing */
    .product-name {
        font-size: 0.9rem; /* Smaller text for compact layout */
        margin-bottom: 6px;
        line-height: 1.2;
        min-height: 2.4em; /* Reserve space for 2 lines of text */
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .product-price {
        font-size: 0.9rem;
        margin-bottom: 8px;
        font-weight: 600;
    }

    .btn-add-to-cart {
        padding: 6px 12px; /* Very compact button */
        font-size: 0.75rem;
        min-height: 32px;
    }

    /* --- Category filter adjustments --- */
    .categories-filter a {
        padding: 6px 16px;
        font-size: 0.8rem;
    }

    /* --- Footer --- */
    footer {
        padding: 20px 2%;
        font-size: 0.8rem;
    }
}

/* ======================================= */
/* 10. PERFORMANCE OPTIMIZATIONS           */
/* ======================================= */
/* --- OPTIMIZATION --- */
/* This media query was previously nested inside another, which is invalid. Fixed. */
@media (prefers-reduced-motion: reduce) {
    .product-card,
    .btn-add-to-cart,
    .categories-filter a,
    .category-title {
        transition: none;
        animation: none;
    }
    
    .product-image img,
    .btn-text,
    .cart-icon-btn {
        transition: none;
    }

    /* Disable background animation for users who prefer reduced motion */
    body.menu-page-body::before {
        animation: none;
    }
    
    .particle,
    .star {
        animation: none;
    }
}

/* Improve scrolling performance */
.categories-filter {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* Optimize touch targets */
.categories-filter a,
.btn-add-to-cart {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}


/* ======================================= */
/* 11. LOADING ANIMATIONS                  */
/* ======================================= */
.loading-skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.1) 25%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0.1) 75%);
    background-size: 200% 100%;
    animation: loading 2s infinite;
}

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

/* Staggered card entrance */
.product-card:nth-child(1) { --card-delay: 0; }
.product-card:nth-child(2) { --card-delay: 1; }
.product-card:nth-child(3) { --card-delay: 2; }
.product-card:nth-child(4) { --card-delay: 3; }
.product-card:nth-child(5) { --card-delay: 4; }
.product-card:nth-child(6) { --card-delay: 5; }
.product-card:nth-child(7) { --card-delay: 6; }
.product-card:nth-child(8) { --card-delay: 7; }
.product-card:nth-child(9) { --card-delay: 8; }

/* Staggered filter button entrance */
.categories-filter a:nth-child(1) { --delay: 0; }
.categories-filter a:nth-child(2) { --delay: 1; }
.categories-filter a:nth-child(3) { --delay: 2; }
.categories-filter a:nth-child(4) { --delay: 3; }
.categories-filter a:nth-child(5) { --delay: 4; }
.categories-filter a:nth-child(6) { --delay: 5; }
.categories-filter a:nth-child(7) { --delay: 6; }