/* ============================================
   MANA THRiFT STORE - 3D E-Commerce Styles
   ============================================ */

/* CSS Variables - Customizable Theme */
:root {
    /* Primary Colors - Acid Neon Palette */
    --color-bg: #0D0D0D;
    --color-bg-secondary: #1A1A2E;
    --color-surface: #1A1A1A;
    --color-surface-hover: #2A2A2A;
    
    /* Accent Colors */
    --color-accent: #CCFF00;
    --color-accent-secondary: #FF3CAC;
    --color-accent-tertiary: #00D4FF;
    
    /* Text Colors */
    --color-text: #FFFFFF;
    --color-text-secondary: #A0A0A0;
    --color-text-muted: #666666;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #CCFF00 0%, #FF3CAC 50%, #00D4FF 100%);
    --gradient-card: linear-gradient(145deg, #1A1A2E 0%, #0D0D0D 100%);
    --gradient-glow: radial-gradient(circle, rgba(204, 255, 0, 0.15) 0%, transparent 70%);
    
    /* Typography */
    --font-display: 'Clash Display', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 3D Effects */
    --perspective: 1200px;
    --rotate-x: 0deg;
    --rotate-y: 0deg;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 4px;
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-medium);
}

.nav-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-tagline {
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    color: var(--color-text-secondary);
    margin-top: -0.25rem;
}

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

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-fast);
}

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

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

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

.cart-btn {
    position: relative;
    background: transparent;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: var(--space-xs);
    transition: var(--transition-fast);
}

.cart-btn:hover {
    color: var(--color-accent);
    transform: scale(1.1);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-accent);
    color: var(--color-bg);
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: calc(var(--space-2xl) + 80px) var(--space-xl) var(--space-2xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: var(--gradient-glow);
    border-radius: 50%;
    pointer-events: none;
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.hero-content {
    max-width: 600px;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 0.95;
    margin-bottom: var(--space-md);
}

.hero-line {
    display: block;
}

.hero-line.accent {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 400px;
}

.hero-cta {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-accent);
    color: var(--color-bg);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    border-radius: 50px;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

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

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(204, 255, 0, 0.3);
}

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

/* 3D Floating Shoe */
.hero-visual {
    position: relative;
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: var(--perspective);
}

.floating-shoe {
    width: 400px;
    height: 400px;
    position: relative;
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotateY(0deg); }
    50% { transform: translateY(-30px) rotateY(10deg); }
}

.shoe-3d {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate-3d 20s linear infinite;
}

@keyframes rotate-3d {
    0% { transform: rotateY(0deg) rotateX(10deg); }
    100% { transform: rotateY(360deg) rotateX(10deg); }
}

.shoe-face {
    position: absolute;
    width: 300px;
    height: 150px;
    background: var(--gradient-hero);
    border-radius: 20px;
    opacity: 0.9;
    box-shadow: 0 0 60px rgba(204, 255, 0, 0.3);
}

.shoe-front {
    transform: translateZ(75px);
    background: linear-gradient(135deg, #CCFF00 0%, #99CC00 100%);
}

.shoe-side {
    width: 150px;
    height: 150px;
    transform: rotateY(90deg) translateZ(150px);
    background: linear-gradient(135deg, #FF3CAC 0%, #CC0088 100%);
}

.shoe-top {
    width: 300px;
    height: 150px;
    transform: rotateX(90deg) translateZ(75px);
    background: linear-gradient(135deg, #00D4FF 0%, #0099CC 100%);
}

/* Particles */
.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: particle-float 8s ease-in-out infinite;
}

@keyframes particle-float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) translateX(50px); opacity: 0; }
}

/* ============================================
   SHOP SECTION
   ============================================ */
.shop {
    padding: var(--space-2xl) var(--space-xl);
    background: var(--color-bg);
}

.section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--space-xl);
    text-align: center;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    margin-bottom: var(--space-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-hero);
    border-radius: 2px;
}

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

.filter-btn {
    padding: var(--space-xs) var(--space-md);
    background: transparent;
    border: 1px solid var(--color-text-muted);
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 25px;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
    perspective: var(--perspective);
}

/* 3D Product Card */
.product-card {
    background: var(--gradient-card);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    transform-style: preserve-3d;
    transition: var(--transition-medium);
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.product-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(204, 255, 0, 0.1);
    border-color: rgba(204, 255, 0, 0.3);
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-medium);
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-info {
    padding: var(--space-md);
    position: relative;
    z-index: 1;
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.product-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.product-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-sm);
}

.product-size {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.product-price {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.product-condition {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.condition-excellent { color: #4ADE80; }
.condition-good { color: #FBBF24; }
.condition-fair { color: #F87171; }

.product-actions {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    right: var(--space-md);
    display: flex;
    gap: var(--space-sm);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-medium);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateY(0);
}

.btn-add-cart,
.btn-view {
    flex: 1;
    padding: var(--space-sm);
    border: none;
    border-radius: 10px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-add-cart {
    background: var(--color-accent);
    color: var(--color-bg);
}

.btn-add-cart:hover {
    background: var(--color-text);
    transform: scale(1.02);
}

.btn-view {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-view:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--space-2xl) var(--space-xl);
    background: var(--color-bg-secondary);
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   ADMIN PANEL
   ============================================ */
.admin-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 600px;
    height: 100vh;
    background: var(--color-surface);
    z-index: 2000;
    transition: var(--transition-slow);
    overflow-y: auto;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-panel.active {
    right: 0;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.close-admin {
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-admin:hover {
    color: var(--color-accent);
    transform: rotate(90deg);
}

.admin-content {
    padding: var(--space-lg);
}

.admin-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: var(--space-sm);
}

.admin-tab {
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    position: relative;
    transition: var(--transition-fast);
}

.admin-tab.active {
    color: var(--color-accent);
}

.admin-tab.active::after {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

/* Forms */
.product-form,
.checkout-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-sm);
    background: var(--color-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(204, 255, 0, 0.1);
}

.btn-primary {
    padding: var(--space-md) var(--space-lg);
    background: var(--color-accent);
    color: var(--color-bg);
    border: none;
    border-radius: 10px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(204, 255, 0, 0.3);
}

.btn-large {
    width: 100%;
    padding: var(--space-md);
    font-size: 1rem;
}

/* Manage List */
.manage-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.manage-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.manage-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.manage-info {
    flex: 1;
}

.manage-info h4 {
    font-family: var(--font-display);
    margin-bottom: var(--space-xs);
}

.manage-info p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

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

.btn-delete {
    padding: var(--space-xs) var(--space-md);
    background: rgba(248, 113, 113, 0.2);
    color: #F87171;
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-delete:hover {
    background: rgba(248, 113, 113, 0.3);
}

/* ============================================
   CART SIDEBAR
   ============================================ */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -450px;
    width: 100%;
    max-width: 450px;
    height: 100vh;
    background: var(--color-surface);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.close-cart {
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-cart:hover {
    color: var(--color-accent);
}

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

.cart-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: 12px;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

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

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

.cart-item-details {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.cart-item-price {
    font-weight: 600;
    color: var(--color-accent);
}

.cart-item-remove {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.cart-item-remove:hover {
    color: #F87171;
}

.cart-footer {
    padding: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--color-bg);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.checkout-btn {
    width: 100%;
    padding: var(--space-md);
    background: var(--color-accent);
    color: var(--color-bg);
    border: none;
    border-radius: 10px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(204, 255, 0, 0.3);
}

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

/* ============================================
   MODALS
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

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

.modal-content {
    background: var(--color-surface);
    border-radius: 20px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition-medium);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.close-modal {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
}

.close-modal:hover {
    color: var(--color-accent);
    transform: rotate(90deg);
}

/* Product Detail */
.product-detail {
    max-width: 900px;
}

.product-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl);
}

.product-detail-image {
    width: 100%;
    border-radius: 16px;
    object-fit: cover;
}

.product-detail-info h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.product-detail-info .price {
    font-size: 2rem;
    color: var(--color-accent);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.product-detail-info .description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.product-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.meta-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.meta-label {
    color: var(--color-text-secondary);
}

.meta-value {
    font-weight: 500;
}

/* Checkout Modal */
.checkout-form {
    padding: var(--space-xl);
}

.form-section {
    margin-bottom: var(--space-lg);
}

.form-section h4 {
    font-family: var(--font-display);
    margin-bottom: var(--space-md);
    color: var(--color-accent);
}

.payment-options {
    display: flex;
    gap: var(--space-md);
}

.payment-option {
    flex: 1;
    padding: var(--space-md);
    background: var(--color-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.payment-option:hover,
.payment-option input:checked + .payment-label {
    border-color: var(--color-accent);
}

.payment-option input {
    display: none;
}

.checkout-summary {
    background: var(--color-bg);
    padding: var(--space-md);
    border-radius: 10px;
    margin-bottom: var(--space-lg);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-xs) 0;
    color: var(--color-text-secondary);
}

.summary-row.total {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-2xl) var(--space-xl) var(--space-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: var(--color-text-secondary);
}

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

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: calc(var(--space-2xl) + 100px);
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-visual {
        width: 100%;
        height: 400px;
        margin-top: var(--space-xl);
    }
    
    .floating-shoe {
        width: 300px;
        height: 300px;
    }
    
    .product-detail-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: var(--space-md);
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .admin-panel,
    .cart-sidebar {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: calc(var(--space-xl) + 80px) var(--space-md) var(--space-xl);
    }
    
    .shop,
    .about {
        padding: var(--space-xl) var(--space-md);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

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

@keyframes slideIn {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

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

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.animate-slide-in {
    animation: slideIn 0.4s ease-out forwards;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease-out forwards;
}

/* Loading State */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-accent);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Success Message */
.success-message {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-accent);
    color: var(--color-bg);
    border-radius: 10px;
    font-weight: 600;
    z-index: 4000;
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Hide scrollbar for modals */
.modal-content::-webkit-scrollbar {
    width: 6px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 3px;
}