/* ========================================
   FustDuck - Premium Liquid Glass Design
   ======================================== */

:root {
    /* Colors */
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #5b21b6;
    --secondary: #06b6d4;
    --accent: #f472b6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gold: #ffd700;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-neon: linear-gradient(135deg, #00ff88 0%, #00d4ff 50%, #7c3aed 100%);
    --gradient-rainbow: linear-gradient(90deg, #ff0080, #ff8c00, #40e0d0, #7c3aed, #ff0080);
    --gradient-shine: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-bg-light: rgba(255, 255, 255, 0.1);
    --glass-bg-dark: rgba(0, 0, 0, 0.3);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-border-hover: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-blur: blur(20px);
    --glass-glow: 0 0 40px rgba(124, 58, 237, 0.3);
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-index */
    --z-dropdown: 100;
    --z-modal: 200;
    --z-toast: 300;
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gradient-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ========================================
   Animated Background
   ======================================== */

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: var(--gradient-dark);
}

/* Noise texture overlay */
.bg-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

/* Grid pattern */
.bg-animation::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: blob-float 25s ease-in-out infinite;
    will-change: transform;
}

.blob-1 {
    width: 700px;
    height: 700px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    top: -300px;
    left: -200px;
    animation-delay: 0s;
}

.blob-2 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    top: 40%;
    right: -200px;
    animation-delay: -7s;
}

.blob-3 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    bottom: -150px;
    left: 25%;
    animation-delay: -14s;
}

.blob-4 {
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    top: 35%;
    left: 5%;
    animation-delay: -20s;
}

/* 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, 0.3);
    border-radius: 50%;
    animation: particle-float 15s infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 20s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 22s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 16s; }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 19s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 21s; }
.particle:nth-child(7) { left: 70%; animation-delay: 2s; animation-duration: 17s; }
.particle:nth-child(8) { left: 80%; animation-delay: 4s; animation-duration: 23s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1s; animation-duration: 20s; }
.particle:nth-child(10) { left: 15%; animation-delay: 3s; animation-duration: 18s; }

@keyframes particle-float {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

@keyframes blob-float {
    0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
    25% { transform: translate(60px, -60px) scale(1.1) rotate(5deg); }
    50% { transform: translate(-40px, 40px) scale(0.95) rotate(-5deg); }
    75% { transform: translate(50px, 50px) scale(1.05) rotate(3deg); }
}

/* ========================================
   Glass Effects
   ======================================== */

.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    position: relative;
    overflow: hidden;
}

/* Gradient border effect */
.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.05));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.glass-btn {
    background: var(--glass-bg-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.glass-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-shine);
    transition: left 0.5s ease;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
    border-color: var(--glass-border-hover);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.2);
}

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

/* Neon glow effect */
.neon-glow {
    box-shadow: 
        0 0 10px rgba(124, 58, 237, 0.3),
        0 0 20px rgba(124, 58, 237, 0.2),
        0 0 40px rgba(124, 58, 237, 0.1);
}

/* Shine animation */
@keyframes shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.shine-effect {
    position: relative;
    overflow: hidden;
}

.shine-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shine 3s infinite;
}

/* ========================================
   Container & Layout
   ======================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-3xl) 0;
}

/* ========================================
   Header
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-dropdown);
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.5rem;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 2rem;
    animation: duck-bounce 2s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}

@keyframes duck-bounce {
    0%, 100% { transform: translateY(0) rotate(-5deg); }
    50% { transform: translateY(-8px) rotate(5deg); }
}

.logo-text {
    background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: var(--space-sm);
}

.nav-link {
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-base);
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--glass-bg-light);
}

.nav-link.active::after {
    width: 60%;
}

.header-actions {
    display: flex;
    gap: var(--space-sm);
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    color: var(--text-primary);
    flex-direction: column;
    gap: 4px;
    padding: 12px;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

.btn-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    cursor: pointer;
    position: relative;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.btn-icon:hover {
    transform: scale(1.1);
}

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

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--gradient-secondary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: badge-pop 0.3s var(--transition-bounce);
    box-shadow: 0 2px 10px rgba(244, 114, 182, 0.5);
}

@keyframes badge-pop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(15, 15, 26, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
    z-index: calc(var(--z-dropdown) - 1);
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav .nav-link {
    display: block;
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    text-align: center;
    font-size: 1.125rem;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    padding-top: 120px;
    padding-bottom: var(--space-3xl);
    position: relative;
}

.hero-content {
    padding: var(--space-2xl) var(--space-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: hero-appear 1s ease-out;
}

@keyframes hero-appear {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glass);
    pointer-events: none;
}

/* Animated border glow */
.hero-content::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-rainbow);
    background-size: 400% 400%;
    border-radius: inherit;
    z-index: -1;
    animation: gradient-rotate 8s ease infinite;
    opacity: 0.3;
    filter: blur(10px);
}

@keyframes gradient-rotate {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(244, 114, 182, 0.15);
    border: 1px solid rgba(244, 114, 182, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: #f472b6;
    margin-bottom: var(--space-lg);
    animation: pulse-glow 2s ease-in-out infinite, float-badge 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(244, 114, 182, 0.3); }
    50% { box-shadow: 0 0 40px rgba(244, 114, 182, 0.6); }
}

@keyframes float-badge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.hero-title {
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f472b6 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 5s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.stat-item {
    text-align: center;
    transition: transform var(--transition-base);
}

.stat-item:hover {
    transform: scale(1.1);
}

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--glass-border), transparent);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-glow {
    animation: btn-glow 3s ease-in-out infinite;
}

@keyframes btn-glow {
    0%, 100% { box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4); }
    50% { box-shadow: 0 4px 35px rgba(102, 126, 234, 0.7), 0 0 50px rgba(102, 126, 234, 0.3); }
}

.btn-secondary {
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-bg-light);
    border-color: var(--primary-light);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.5);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled::before {
    display: none;
}

/* Loading state */
.btn.loading {
    pointer-events: none;
    position: relative;
}

.btn.loading span {
    opacity: 0;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: btn-spin 0.8s linear infinite;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

/* Icon button animation */
.btn svg {
    transition: transform var(--transition-base);
}

.btn:hover svg {
    transform: translateX(3px);
}

/* ========================================
   Section Headers
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.title-icon {
    font-size: 1.5rem;
}

.section-subtitle {
    color: var(--text-secondary);
}

.section-filters {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    margin-top: var(--space-lg);
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.875rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* ========================================
   Categories Grid
   ======================================== */

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.category-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    animation: card-appear 0.5s ease-out backwards;
}

.category-card:nth-child(1) { animation-delay: 0.05s; }
.category-card:nth-child(2) { animation-delay: 0.1s; }
.category-card:nth-child(3) { animation-delay: 0.15s; }
.category-card:nth-child(4) { animation-delay: 0.2s; }
.category-card:nth-child(5) { animation-delay: 0.25s; }
.category-card:nth-child(6) { animation-delay: 0.3s; }

/* Gradient background on hover */
.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* Shimmer effect */
.category-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
    transition: left 0.6s ease;
}

.category-card:hover::after {
    left: 150%;
}

.category-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary-light);
    box-shadow: 
        0 25px 50px rgba(124, 58, 237, 0.25),
        inset 0 0 30px rgba(124, 58, 237, 0.1);
}

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

.category-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-md);
    display: block;
    transition: all var(--transition-base);
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
}

.category-card:hover .category-icon {
    transform: scale(1.2) rotate(5deg);
    filter: drop-shadow(0 10px 25px rgba(124, 58, 237, 0.4));
}

.category-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    transition: color var(--transition-base);
}

.category-card:hover .category-name {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.category-count {
    color: var(--text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.category-count::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    display: inline-block;
}

/* ========================================
   Products Grid
   ======================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.product-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    animation: card-appear 0.5s ease-out backwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.15s; }
.product-card:nth-child(3) { animation-delay: 0.2s; }
.product-card:nth-child(4) { animation-delay: 0.25s; }
.product-card:nth-child(5) { animation-delay: 0.3s; }
.product-card:nth-child(6) { animation-delay: 0.35s; }

@keyframes card-appear {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Shine effect on hover */
.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.6s ease;
    z-index: 2;
    pointer-events: none;
}

.product-card:hover::before {
    left: 150%;
}

/* Glow effect */
.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity var(--transition-base);
    box-shadow: inset 0 0 30px rgba(124, 58, 237, 0.2);
    pointer-events: none;
}

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

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary-light);
    box-shadow: 
        0 25px 50px rgba(124, 58, 237, 0.25),
        0 0 0 1px rgba(124, 58, 237, 0.1);
}

.product-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    z-index: 3;
    animation: badge-pulse 2s ease-in-out infinite;
    box-shadow: 0 2px 10px rgba(239, 68, 68, 0.4);
}

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

.product-image {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
    font-size: 4.5rem;
    position: relative;
    overflow: hidden;
}

.product-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(180deg, transparent, rgba(15, 15, 26, 0.8));
}

.product-card:hover .product-image {
    font-size: 5rem;
}

.product-content {
    padding: var(--space-lg);
    position: relative;
}

.product-category {
    font-size: 0.7rem;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--transition-base);
}

.product-card:hover .product-name {
    color: var(--primary-light);
}

.product-price {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.price-current {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-old {
    font-size: 0.95rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-stock {
    font-size: 0.8rem;
    color: var(--success);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 500;
}

.product-stock.out-of-stock {
    color: var(--danger);
}

.product-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.product-btn::before {
    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 0.4s ease;
}

.product-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.5);
}

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

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

.product-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Add to cart animation */
.product-btn.added {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    animation: cart-success 0.5s ease;
}

@keyframes cart-success {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ========================================
   Popular Grid
   ======================================== */

.popular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.popular-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.popular-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
    transition: left 0.6s ease;
}

.popular-card:hover::before {
    left: 150%;
}

.popular-card:hover {
    transform: translateX(10px) scale(1.02);
    border-color: var(--primary-light);
    box-shadow: 0 10px 40px rgba(124, 58, 237, 0.2);
}

.popular-rank {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.popular-rank.gold { 
    background: linear-gradient(135deg, #ffd700 0%, #ff8c00 100%);
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
}
.popular-rank.silver { 
    background: linear-gradient(135deg, #e8e8e8 0%, #a0a0a0 100%);
    box-shadow: 0 4px 20px rgba(192, 192, 192, 0.4);
}
.popular-rank.bronze { 
    background: linear-gradient(135deg, #cd7f32 0%, #8b4513 100%);
    box-shadow: 0 4px 20px rgba(205, 127, 50, 0.4);
}

.popular-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.popular-info {
    flex: 1;
    min-width: 0;
}

.popular-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.popular-category {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.popular-price {
    text-align: right;
    flex-shrink: 0;
}

.popular-price-current {
    font-size: 1.25rem;
    font-weight: 700;
    display: block;
}

.popular-price-old {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

/* ========================================
   Features Section
   ======================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-light);
    box-shadow: 0 20px 40px rgba(124, 58, 237, 0.2);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-md);
    display: block;
    transition: transform var(--transition-base);
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
}

.feature-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========================================
   Search Modal
   ======================================== */

.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 100px var(--space-lg) var(--space-lg);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-modal-content {
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform: translateY(-30px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    background: rgba(20, 20, 35, 0.98);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.search-modal.active .search-modal-content {
    transform: translateY(0) scale(1);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--glass-border);
}

.search-input-wrapper svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: 1.125rem;
    color: var(--text-primary);
}

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

.search-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    transition: color var(--transition-fast);
}

.search-close:hover {
    color: var(--text-primary);
}

.search-results {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--space-md);
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.search-result-item:hover {
    background: var(--glass-bg-light);
}

.search-result-icon {
    font-size: 2rem;
}

.search-result-info {
    flex: 1;
}

.search-result-name {
    font-weight: 600;
}

.search-result-category {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.search-result-price {
    font-weight: 700;
}

/* ========================================
   Product Modal
   ======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--space-2xl);
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    background: rgba(20, 20, 35, 0.95);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

/* Modal glow effect */
.modal-content::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
    opacity: 0.3;
    filter: blur(15px);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all var(--transition-base);
    z-index: 10;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
    color: var(--danger);
    transform: rotate(90deg);
}

.modal-product-icon {
    font-size: 5.5rem;
    text-align: center;
    margin-bottom: var(--space-lg);
    animation: modal-icon-appear 0.5s ease-out;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.5));
}

@keyframes modal-icon-appear {
    from {
        opacity: 0;
        transform: scale(0.5) rotate(-10deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0);
    }
}

.modal-product-name {
    font-size: 1.6rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-product-category {
    text-align: center;
    color: var(--primary-light);
    font-size: 0.8rem;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.modal-product-desc {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    text-align: center;
    line-height: 1.7;
}

.modal-product-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.modal-price-current {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-price-old {
    font-size: 1.2rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.modal-product-stock {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    color: var(--success);
    font-weight: 600;
}

.modal-product-stock.out-of-stock {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.modal-quantity {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.quantity-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.quantity-btn:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: scale(1.1);
}

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

.quantity-value {
    font-size: 2rem;
    font-weight: 800;
    min-width: 60px;
    text-align: center;
}

.modal-total {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
}

.modal-total-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: block;
    margin-bottom: var(--space-xs);
}

.modal-total-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Cart Sidebar
   ======================================== */

.cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.cart-sidebar.active {
    opacity: 1;
    visibility: visible;
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
}

.cart-content {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(15, 15, 26, 0.98);
    box-shadow: -10px 0 50px rgba(0, 0, 0, 0.5);
}

.cart-sidebar.active .cart-content {
    transform: translateX(0);
}

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--glass-border);
}

.cart-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.cart-close {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--space-xs);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

.cart-empty {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
}

.cart-empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--space-md);
}

.cart-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
    animation: cartItemAppear 0.3s ease-out;
}

.cart-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-light);
}

@keyframes cartItemAppear {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.cart-item-icon {
    font-size: 2rem;
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.cart-item-price {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.cart-item-qty button {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
}

.cart-item-remove {
    align-self: flex-start;
    background: transparent;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: var(--space-xs);
}

.cart-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    font-size: 1.125rem;
}

.cart-total-price {
    font-size: 1.5rem;
    font-weight: 700;
}

/* ========================================
   Toast Notifications
   ======================================== */

.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    animation: toast-in 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 380px;
    pointer-events: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(100%) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.toast.success { 
    border-left: 4px solid var(--success);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.2);
}
.toast.error { 
    border-left: 4px solid var(--danger);
    box-shadow: 0 10px 40px rgba(239, 68, 68, 0.2);
}
.toast.warning { 
    border-left: 4px solid var(--warning);
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.2);
}
.toast.info { 
    border-left: 4px solid var(--secondary);
    box-shadow: 0 10px 40px rgba(6, 182, 212, 0.2);
}

.toast-icon {
    font-size: 1.5rem;
    animation: toast-icon-pop 0.5s ease;
}

@keyframes toast-icon-pop {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.toast-message {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

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

/* ========================================
   Footer
   ======================================== */

.footer {
    margin-top: var(--space-3xl);
    padding: var(--space-2xl) 0 var(--space-lg);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-brand .logo-icon {
    font-size: 2.5rem;
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-left: var(--space-md);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    padding-bottom: 2px;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-link:hover::after {
    width: 100%;
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.footer-bottom span.heart {
    color: var(--danger);
    animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ========================================
   Loading Skeleton
   ======================================== */

.loading-skeleton {
    display: contents;
}

.skeleton-card,
.skeleton-product {
    background: var(--glass-bg);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.skeleton-card {
    height: 180px;
}

.skeleton-product {
    height: 320px;
}

/* Shimmer animation */
.skeleton-card::after,
.skeleton-product::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.08),
        transparent
    );
    animation: shimmer 1.5s infinite;
}

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

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state-text {
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
}

/* Loading spinner */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Profile Section
   ======================================== */

.profile-section {
    display: none;
    padding: var(--space-3xl) 0;
}

.profile-section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    box-shadow: 0 10px 40px rgba(124, 58, 237, 0.4);
    position: relative;
}

.profile-avatar::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: var(--gradient-rainbow);
    background-size: 400% 400%;
    z-index: -1;
    animation: gradient-rotate 5s linear infinite;
}

.profile-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.profile-info p {
    color: var(--text-muted);
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.profile-stat-card {
    padding: var(--space-xl);
    text-align: center;
}

.profile-stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: var(--space-xs);
}

.profile-stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.orders-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.order-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.order-card:hover {
    transform: translateX(5px);
    border-color: var(--primary-light);
}

.order-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.order-icon {
    font-size: 2rem;
}

.order-details h4 {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.order-details p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.order-status {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.order-status.completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.order-status.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-md);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .hero-content {
        padding: var(--space-xl);
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-stats {
        gap: var(--space-md);
    }
    
    .stat-divider {
        display: none;
    }
    
    .categories-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .popular-grid {
        grid-template-columns: 1fr;
    }
    
    .popular-card {
        padding: var(--space-md);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-brand {
        flex-direction: column;
    }
    
    .footer-desc {
        margin-left: 0;
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-stats {
        grid-template-columns: 1fr;
    }
    
    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
        bottom: var(--space-md);
    }
    
    .toast {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .categories-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        height: 140px;
    }
    
    .modal-content {
        padding: var(--space-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-filters {
        flex-wrap: wrap;
    }
}

/* ========================================
   Scrollbar
   ======================================== */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}