/* Complete Rewrite - Modern Dark Theme with Programming Colors */

@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800;900&family=Fira+Code:wght@400;500;600&display=swap');

:root {
    /* Programming Theme Colors */
    --primary-color: #00ff88;
    --primary-dark: #00cc6a;
    --secondary-color: #ff00ff;
    --accent-color: #00ffff;
    --warning-color: #ffaa00;
    --danger-color: #ff4444;
    --success-color: #00ff88;
    --info-color: #0099ff;
    
    /* Pure Black Dark Theme */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #1a1a1a;
    --bg-card: #0f0f0f;
    --bg-hover: #1a1a1a;
    --bg-active: #2a2a2a;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --text-inverse: #000000;
    
    /* Border Colors */
    --border-primary: #2a2a2a;
    --border-secondary: #3a3a3a;
    --border-accent: #00ff88;
    --border-focus: #00cc6a;
    
    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.8);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.9), 0 2px 4px -1px rgba(0, 0, 0, 0.8);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.9), 0 4px 6px -2px rgba(0, 0, 0, 0.8);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.95), 0 10px 10px -5px rgba(0, 0, 0, 0.8);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.4);
    --shadow-glow-hover: 0 0 30px rgba(0, 255, 136, 0.6);
    
    /* Programming Gradients */
    --gradient-primary: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    --gradient-secondary: linear-gradient(135deg, #ff00ff 0%, #cc00cc 100%);
    --gradient-accent: linear-gradient(135deg, #00ffff 0%, #00cccc 100%);
    --gradient-warning: linear-gradient(135deg, #ffaa00 0%, #ff8800 100%);
    --gradient-info: linear-gradient(135deg, #0099ff 0%, #0077cc 100%);
    --gradient-danger: linear-gradient(135deg, #ff4444 0%, #cc0000 100%);
    --gradient-dark: linear-gradient(135deg, rgba(0, 0, 0, 0.95) 0%, rgba(10, 10, 10, 0.95) 100%);
    --gradient-card: linear-gradient(135deg, rgba(15, 15, 15, 0.9) 0%, rgba(26, 26, 26, 0.9) 100%);
    --gradient-hover: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(42, 42, 42, 0.9) 100%);
    
    /* Code Syntax Colors */
    --code-keyword: #ff79c6;
    --code-function: #50fa7b;
    --code-string: #f1fa8c;
    --code-number: #bd93f9;
    --code-comment: #6272a4;
    --code-variable: #8be9fd;
    --code-class: #ff79c6;
    --code-operator: #ff79c6;
    
    /* Typography */
    --font-primary: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-code: 'Fira Code', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Light Theme Override */
.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-card: #ffffff;
    --bg-hover: #f8f9fa;
    --bg-active: #e9ecef;
    
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-muted: #666666;
    --text-inverse: #ffffff;
    
    --border-primary: #dee2e6;
    --border-secondary: #ced4da;
    --border-accent: #00ff88;
    --border-focus: #00cc6a;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --gradient-dark: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(233, 236, 239, 0.9) 100%);
    --gradient-hover: linear-gradient(135deg, rgba(248, 249, 250, 0.9) 0%, rgba(233, 236, 239, 0.9) 100%);
}

/* Global Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    direction: rtl;
    overflow-x: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 255, 255, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundAnimation 20s ease-in-out infinite;
}

@keyframes backgroundAnimation {
    0%, 100% { 
        transform: rotate(0deg) scale(1); 
        opacity: 0.3;
    }
    50% { 
        transform: rotate(180deg) scale(1.1); 
        opacity: 0.6;
    }
}

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

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.7;
    animation: float 12s infinite ease-in-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) translateX(0) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
        transform: translateY(80vh) translateX(20px) scale(1);
    }
    90% {
        opacity: 0.7;
        transform: translateY(10vh) translateX(-20px) scale(1);
    }
    100% {
        transform: translateY(0) translateX(0) scale(0);
        opacity: 0;
    }
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 2rem); }
h4 { font-size: clamp(1.125rem, 2.5vw, 1.75rem); }
h5 { font-size: clamp(1rem, 2vw, 1.5rem); }
h6 { font-size: clamp(0.875rem, 1.5vw, 1.25rem); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
}

a:hover {
    color: var(--primary-dark);
    transform: translateY(-1px);
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

a:hover::after {
    width: 100%;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header with Smart Theme */
header {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
    border-bottom: 1px solid var(--border-primary);
}

.light-theme header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

header.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: var(--shadow-xl);
}

.light-theme header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: all var(--transition-bounce);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo:hover {
    transform: scale(1.05) rotate(-2deg);
}

.logo::before {
    content: '</>';
    font-family: var(--font-code);
    font-size: 1.2rem;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.nav-links a:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-links a:hover::before {
    opacity: 1;
}

.nav-links a.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.light-theme .nav-links a {
    color: #1f2937;
}

.light-theme .nav-links a:hover {
    color: white;
}

.light-theme .nav-links a.active {
    background: var(--gradient-primary);
    color: white;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--gradient-primary);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    margin-right: var(--spacing-lg);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(180deg);
    box-shadow: var(--shadow-glow-hover);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.mobile-menu:hover {
    background: var(--bg-hover);
}

.light-theme .mobile-menu:hover {
    background: rgba(0, 0, 0, 0.05);
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    background: var(--gradient-dark);
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-primary);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-primary);
    opacity: 0.03;
    transform: rotate(45deg);
    animation: heroAnimation 30s linear infinite;
}

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

.hero h1 {
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    0% { filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.5)); }
    100% { filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.8)); }
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.cta-button {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all var(--transition-bounce);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.cta-button::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 var(--transition-slow);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-glow-hover);
}

.cta-button:hover::before {
    left: 100%;
}

/* Content Sections */
.carousel-section {
    background: var(--gradient-card);
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

/* Carousel */
.carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    margin: var(--spacing-lg) 0;
}

.carousel-container {
    display: flex;
    transition: transform var(--transition-slow);
    gap: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

.carousel-item {
    min-width: 320px;
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-primary);
    cursor: pointer;
}

.carousel-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-glow-hover);
    border-color: var(--border-accent);
}

.carousel-item.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.carousel-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    pointer-events: none;
}

.carousel-btn {
    background: var(--gradient-primary);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    pointer-events: all;
    font-size: 1.2rem;
    color: white;
}

.carousel-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow-hover);
}

.carousel-btn:active {
    transform: scale(0.95);
}

/* Product Cards */
.product-card {
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border-primary);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-glow-hover);
    border-color: var(--border-accent);
}

.product-card:hover::before {
    opacity: 0.1;
}

.product-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: all var(--transition-slow);
}

.product-card:hover .product-image {
    transform: scale(1.1);
    filter: brightness(1.1);
}

.product-content {
    padding: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.product-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.3;
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-size: 0.95rem;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.stars {
    color: var(--warning-color);
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(255, 170, 0, 0.5);
}

.rating-score {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tag {
    background: var(--gradient-secondary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.tag:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.product-features {
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.feature-item::before {
    content: '⚡';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1rem;
}

.product-price {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
}

/* Product Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* Search Section */
.search-section {
    background: var(--gradient-card);
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.search-input {
    width: 100%;
    padding: var(--spacing-lg);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    transition: all var(--transition-normal);
    font-family: inherit;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
    transform: scale(1.02);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-tag {
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 600;
    color: var(--text-secondary);
}

.filter-tag:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-tag.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 2000;
    overflow-y: auto;
    animation: fadeIn var(--transition-normal);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    max-width: 900px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn var(--transition-slow);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-xl);
}

@keyframes modalSlideIn {
    from { 
        opacity: 0; 
        transform: scale(0.8) translateY(50px); 
    }
    to { 
        opacity: 1; 
        transform: scale(1) translateY(0); 
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--gradient-danger);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    z-index: 10;
    box-shadow: var(--shadow-lg);
}

.modal-close:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: var(--shadow-glow-hover);
}

.modal-body {
    padding: var(--spacing-2xl);
}

.product-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow-hover);
}

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: all var(--transition-normal);
}

.gallery-item:hover img,
.gallery-item:hover video {
    transform: scale(1.1);
    filter: brightness(1.1);
}

/* Footer */
footer {
    background: var(--gradient-dark);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    font-size: 1.2rem;
}

.footer-section p,
.footer-section ul {
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.footer-section ul li:hover {
    transform: translateX(5px);
    color: var(--primary-color);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.telegram-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--gradient-info);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-weight: 700;
    transition: all var(--transition-bounce);
    margin-top: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.telegram-link:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-glow-hover);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-primary);
    color: var(--text-muted);
}

/* Admin Panel */
.admin-layout {
    display: flex;
    min-height: 100vh;
    background: var(--bg-primary);
}

.admin-sidebar {
    width: 280px;
    background: var(--gradient-dark);
    color: white;
    padding: var(--spacing-xl) 0;
    box-shadow: var(--shadow-lg);
    border-left: 1px solid var(--border-primary);
}

.admin-logo {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-nav {
    list-style: none;
}

.admin-nav li {
    margin-bottom: var(--spacing-xs);
}

.admin-nav a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-xl);
    transition: all var(--transition-normal);
    border-right: 3px solid transparent;
}

.admin-nav a:hover,
.admin-nav a.active {
    background: var(--bg-hover);
    color: var(--primary-color);
    border-right-color: var(--primary-color);
}

.admin-main {
    flex: 1;
    background: var(--bg-primary);
    padding: var(--spacing-xl);
}

.admin-header {
    background: var(--gradient-card);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-primary);
}

.admin-card {
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-primary);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-lg);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all var(--transition-normal);
    font-family: inherit;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
    transform: scale(1.02);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-select {
    cursor: pointer;
}

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.btn::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 var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-glow-hover);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-glow-hover);
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--gradient-accent);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-glow-hover);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-primary);
}

.table th,
.table td {
    padding: var(--spacing-lg);
    text-align: right;
    border-bottom: 1px solid var(--border-primary);
}

.table th {
    background: var(--bg-secondary);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.table tbody tr {
    transition: all var(--transition-normal);
}

.table tbody tr:hover {
    background: var(--bg-hover);
    transform: scale(1.01);
}

.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-xl);
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-card);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 3000;
    display: none;
    animation: slideDown var(--transition-normal);
    border-right: 4px solid var(--primary-color);
    min-width: 300px;
    max-width: 500px;
}

.toast.show {
    display: block;
}

.toast.success {
    border-right-color: var(--success-color);
}

.toast.error {
    border-right-color: var(--danger-color);
}

.toast.warning {
    border-right-color: var(--warning-color);
}

@keyframes slideDown {
    from { 
        opacity: 0; 
        transform: translate(-50%, -100px); 
    }
    to { 
        opacity: 1; 
        transform: translate(-50%, 0); 
    }
}

/* Loading Spinner */
.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-primary);
    border-top: 4px solid var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin: var(--spacing-xl) auto;
    box-shadow: var(--shadow-glow);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Skeleton Loader */
.skeleton-loader {
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.skeleton-header {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.skeleton-image,
.skeleton-title,
.skeleton-price,
.skeleton-text {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-hover) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-lg);
}

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

/* Code Block */
.code-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    font-family: var(--font-code);
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
    position: relative;
}

.code-block::before {
    content: '</>';
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: bold;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
}

/* Selection */
::selection {
    background: rgba(0, 255, 136, 0.3);
    color: white;
}

::-moz-selection {
    background: rgba(0, 255, 136, 0.3);
    color: white;
}

/* Focus Styles */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Animations */
@keyframes fadeInScale {
    0% { 
        opacity: 0; 
        transform: scale(0.9); 
    }
    100% { 
        opacity: 1; 
        transform: scale(1); 
    }
}

@keyframes slideInRight {
    0% { 
        opacity: 0; 
        transform: translateX(50px); 
    }
    100% { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

@keyframes slideInLeft {
    0% { 
        opacity: 0; 
        transform: translateX(-50px); 
    }
    100% { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { 
        transform: translateY(0); 
    }
    40% { 
        transform: translateY(-10px); 
    }
    60% { 
        transform: translateY(-5px); 
    }
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1; 
    }
    50% { 
        opacity: 0.7; 
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes rippleEffect {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes themePulse {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.4;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        width: 100%;
        background: var(--gradient-dark);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .carousel-container {
        gap: var(--spacing-lg);
    }
    
    .carousel-item {
        min-width: 280px;
    }
    
    .admin-layout {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .carousel-item {
        min-width: 240px;
    }
    
    .product-gallery {
        grid-template-columns: 1fr;
    }
    
    .filter-tags {
        justify-content: center;
    }
    
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-lg);
    }
}

/* RTL Fixes */
@media (max-width: 768px) {
    .nav-links {
        right: 0;
        left: auto;
    }
    
    .modal-close {
        left: var(--spacing-lg);
        right: auto;
    }
}

/* Print Styles */
@media print {
    header,
    footer,
    .modal,
    .carousel-controls,
    .admin-sidebar,
    .mobile-menu,
    .particles {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .product-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-primary: #ffffff;
        --text-secondary: #ffffff;
        --bg-secondary: #000000;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #0a0a0a;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
    }
}

/* Performance Optimizations */
.will-change-transform {
    will-change: transform;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.4), transparent);
    animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Error States */
.error-state {
    background: var(--gradient-danger);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.error-state h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

/* Success States */
.success-state {
    background: var(--gradient-accent);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.success-state h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}