/* MTG Trading Platform - Main Stylesheet */

/* CSS Variables */
:root {
    /* MTG Color Palette */
    --color-white: #F8F9FA;
    --color-blue: #0066CC;
    --color-red: #CC0000;
    --color-green: #00AA00;
    --color-black: #1A1A1A;
    --color-gold: #FFD700;
    --color-silver: #C0C0C0;
    --color-bronze: #CD7F32;
    
    /* Neutral Colors */
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-primary: var(--color-blue);
    --color-secondary: var(--color-gold);
    --color-success: var(--color-green);
    --color-danger: var(--color-red);
    --color-warning: var(--color-gold);
    --color-info: var(--color-blue);
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    
    /* Shadows */
    --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);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue) 100%);
    color: white;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: white;
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: bold;
}

.logo i {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
}

/* Navigation */
.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-6);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: white;
    text-decoration: none;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-item.active .nav-link {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.auth-buttons {
    display: flex;
    gap: var(--spacing-3);
}

.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    transition: background-color 0.3s ease;
}

.user-dropdown-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.user-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.user-dropdown:hover .user-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-gray-700);
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

.notifications {
    position: relative;
}

.notification-toggle {
    background: none;
    border: none;
    color: white;
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    transition: background-color 0.3s ease;
}

.notification-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-danger);
    color: white;
    font-size: var(--font-size-xs);
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: var(--color-secondary);
    color: var(--color-black);
}

.btn-primary:hover {
    background: #E6C200;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover {
    background: white;
    color: var(--color-primary);
}

.btn-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background: var(--color-gray-300);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-8) 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue) 100%);
    color: white;
    padding: var(--spacing-20) 0;
    text-align: center;
}

.hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: bold;
    margin-bottom: var(--spacing-6);
}

.hero p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: var(--spacing-16) 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-12);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    background: white;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: var(--font-size-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
    color: var(--color-gray-800);
}

.feature-card p {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Card Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.card-item {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    width: 100%;
    height: 310px;
    object-fit: cover;
    background: var(--color-gray-200);
}

.card-content {
    padding: var(--spacing-4);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: var(--color-gray-800);
}

.card-set {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-3);
}

.card-price {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
}

.card-actions {
    display: flex;
    gap: var(--spacing-2);
}

/* Badges */
.badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
}

.badge-nm { background: var(--color-success); color: white; }
.badge-ex { background: var(--color-info); color: white; }
.badge-gd { background: var(--color-warning); color: var(--color-black); }
.badge-lp { background: var(--color-bronze); color: white; }
.badge-pl { background: var(--color-danger); color: white; }

/* Footer */
.footer {
    background: var(--color-gray-800);
    color: white;
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-4);
    color: var(--color-secondary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: var(--color-gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-gray-700);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-link:hover {
    background: var(--color-secondary);
    color: var(--color-black);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--spacing-6);
    text-align: center;
    color: var(--color-gray-400);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: var(--font-size-xl);
    cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero p {
        font-size: var(--font-size-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    .header-content {
        padding: var(--spacing-3) 0;
    }
    
    .logo span {
        display: none;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
}

/* Marketplace Specific Styles */

/* Filter Top Bar */
.marketplace-filter-bar {
    background: var(--color-gray-800);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-4);
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-2);
    overflow-x: hidden;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray-600) transparent;
}

.filter-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

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

.filter-buttons::-webkit-scrollbar-track {
    background: transparent;
}

.filter-buttons::-webkit-scrollbar-thumb {
    background: var(--color-gray-600);
    border-radius: var(--radius-sm);
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-gray-700);
    color: var(--color-gray-300);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.filter-btn:hover {
    background: var(--color-gray-600);
    color: white;
    transform: translateY(-1px);
}

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

.filter-btn i {
    font-size: var(--font-size-sm);
}

/* News Ticker */
.news-ticker {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-blue));
    color: white;
    padding: var(--spacing-3) var(--spacing-4);
    margin-bottom: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.ticker-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: 600;
    font-size: var(--font-size-sm);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-md);
    margin-right: var(--spacing-4);
    flex-shrink: 0;
}

.ticker-content {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.ticker-items {
    display: flex;
    animation: ticker 30s linear infinite;
    white-space: nowrap;
}

.ticker-item {
    display: inline-block;
    margin-right: var(--spacing-8);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

@keyframes ticker {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

/* Search Section */
.search-section {
    margin-bottom: var(--spacing-6);
}

.search-bar {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.search-bar input {
    flex: 1;
    padding: var(--spacing-4);
    border: none;
    outline: none;
    font-size: var(--font-size-base);
}

.search-btn {
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--color-primary);
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.search-btn:hover {
    background: var(--color-blue);
}

/* Listings Grid */
.listings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.listing-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: visible;
    transition: all 0.3s ease;
    position: relative;
}

.listing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.listing-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.listing-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.listing-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.listing-card:hover .listing-overlay {
    opacity: 1;
}

.listing-badge {
    position: absolute;
    top: var(--spacing-2);
    right: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: white;
}

.condition-mint { background: var(--color-success); }
.condition-near-mint { background: var(--color-info); }
.condition-excellent { background: var(--color-warning); color: var(--color-black); }
.condition-good { background: var(--color-bronze); }
.condition-light-played { background: var(--color-danger); }
.condition-played { background: var(--color-gray-600); }
.condition-poor { background: var(--color-gray-800); }

.listing-content {
    padding: var(--spacing-4);
}

.listing-header {
    margin-bottom: var(--spacing-3);
}

.card-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-1);
}

.card-set {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.listing-details {
    margin-bottom: var(--spacing-4);
}

.price-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-3);
}

.price {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--color-primary);
}

.rarity {
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.rarity-common { background: var(--color-gray-300); color: var(--color-gray-700); }
.rarity-uncommon { background: var(--color-silver); color: var(--color-black); }
.rarity-rare { background: var(--color-gold); color: var(--color-black); }
.rarity-mythic { background: linear-gradient(45deg, var(--color-gold), var(--color-bronze)); color: var(--color-black); }

.seller-info {
    margin-bottom: var(--spacing-3);
}

.seller-name {
    font-weight: 600;
    color: var(--color-gray-700);
    display: block;
    margin-bottom: var(--spacing-1);
}

.seller-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.seller-rating i {
    color: var(--color-gold);
}

.sales-count {
    color: var(--color-gray-500);
}

.listing-stats {
    display: flex;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.listing-actions {
    display: flex;
    gap: var(--spacing-2);
}

/* Results Summary */
.results-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-4);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.results-count {
    font-weight: 600;
    color: var(--color-gray-700);
}

/* Enhanced Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-8);
    padding: var(--spacing-6);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.page-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-gray-50);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    min-width: 44px;
    justify-content: center;
}

.page-btn:hover:not(:disabled) {
    background: var(--color-gray-100);
    border-color: var(--color-gray-300);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

.page-btn:disabled {
    background: var(--color-gray-100);
    color: var(--color-gray-400);
    border-color: var(--color-gray-200);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.page-numbers {
    display: flex;
    gap: var(--spacing-1);
    align-items: center;
}

.page-ellipsis {
    padding: var(--spacing-3) var(--spacing-2);
    color: var(--color-gray-500);
    font-weight: 500;
}

/* Quick View Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: var(--spacing-4);
}

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

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-800);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--color-gray-500);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.modal-body {
    padding: var(--spacing-6);
}

.modal-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* Quick View Content */
.quick-view-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
    align-items: start;
}

.card-image-large {
    text-align: center;
}

.card-image-large img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.card-details h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-3);
}

.card-details p {
    margin-bottom: var(--spacing-2);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

.card-details p strong {
    color: var(--color-gray-800);
    font-weight: 600;
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal {
        padding: var(--spacing-2);
    }
    
    .modal-content {
        max-height: 95vh;
    }
    
    .quick-view-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-4);
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: var(--spacing-1);
    }
    
    .page-btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
        min-width: 36px;
    }
    
    .page-numbers {
        order: 2;
        width: 100%;
        justify-content: center;
        margin-top: var(--spacing-2);
    }
}

/* Cards Search Specific Styles */

/* Cards Filter Bar */
.cards-filter-bar {
    background: var(--color-gray-800);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-4);
}

/* Filter Dropdowns */
.filter-dropdown {
    position: relative;
    display: inline-block;
}

.filter-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-gray-700);
    color: var(--color-gray-300);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.filter-dropdown-toggle:hover {
    background: var(--color-gray-600);
    color: white;
    transform: translateY(-1px);
}

.filter-dropdown-toggle.active {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.filter-dropdown-toggle i:last-child {
    transition: transform 0.3s ease;
}

.filter-dropdown-toggle.active i:last-child {
    transform: rotate(180deg);
}

.filter-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    min-width: 250px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
}

.filter-dropdown.active .filter-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-search {
    padding: var(--spacing-3);
    border-bottom: 1px solid var(--color-gray-200);
}

.dropdown-search input {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: border-color 0.3s ease;
}

.dropdown-search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.dropdown-options {
    padding: var(--spacing-2);
}

.dropdown-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background-color 0.3s ease;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.dropdown-option:hover {
    background: var(--color-gray-100);
}

.dropdown-option input[type="checkbox"],
.dropdown-option input[type="radio"] {
    margin: 0;
    accent-color: var(--color-primary);
}

/* Price Range Dropdown */
.price-range {
    padding: var(--spacing-4);
}

.price-inputs {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-3);
}

.price-inputs input {
    flex: 1;
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: border-color 0.3s ease;
}

.price-inputs input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.price-inputs span {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.price-presets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2);
}

.price-preset {
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all 0.3s ease;
}

.price-preset:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Advanced Filters Panel (Legacy - keeping for compatibility) */
.advanced-filters-panel {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-6);
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.advanced-filters-panel.active {
    max-height: 500px;
    padding: var(--spacing-6);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.filter-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.filter-group select,
.filter-group input {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: border-color 0.3s ease;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.card-item {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.card-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card-item:hover .card-overlay {
    opacity: 1;
}

.card-badge {
    position: absolute;
    top: var(--spacing-2);
    right: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: white;
}

.card-content {
    padding: var(--spacing-4);
}

.card-header {
    margin-bottom: var(--spacing-3);
}

.card-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-1);
}

.card-set {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.card-details {
    margin-bottom: var(--spacing-4);
}

.price-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-3);
}

.price {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--color-primary);
}

.card-type {
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.card-stats {
    display: flex;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.card-actions {
    display: flex;
    gap: var(--spacing-2);
}

/* Responsive Design for Marketplace and Cards Search */
@media (max-width: 768px) {
    .marketplace-filter-bar,
    .cards-filter-bar {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: stretch;
    }
    
    .filter-buttons {
        gap: var(--spacing-1);
        order: 2;
    }
    
    .filter-actions {
        order: 1;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-2);
    }
    
    .filter-btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    .filter-btn span {
        display: none;
    }
    
    .filter-dropdown-toggle {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    .filter-dropdown-toggle span {
        display: none;
    }
    
    .filter-dropdown-menu {
        min-width: 200px;
        max-height: 250px;
    }
    
    .price-presets {
        grid-template-columns: 1fr;
    }
    
    .news-ticker {
        flex-direction: column;
        gap: var(--spacing-2);
        text-align: center;
    }
    
    .ticker-label {
        margin-right: 0;
        margin-bottom: var(--spacing-2);
    }
    
    .listings-grid,
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-4);
    }
    
    .results-summary {
        flex-direction: column;
        gap: var(--spacing-3);
        text-align: center;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    .advanced-filters-panel.active {
        padding: var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .listings-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-btn {
        padding: var(--spacing-2);
    }
    
    .filter-btn i {
        font-size: var(--font-size-base);
    }
}

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue) 100%);
    color: white;
    padding: var(--spacing-16) 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-6);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
    background: linear-gradient(45deg, var(--color-secondary), #FFF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: var(--font-size-lg);
    font-weight: 500;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-icon {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-3);
    opacity: 0.8;
}

/* CTA Section */
.cta-section {
    background: var(--color-secondary);
    color: var(--color-black);
    padding: var(--spacing-16) 0;
    text-align: center;
}

.cta-section h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.cta-section p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-5 { margin-bottom: var(--spacing-5); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-5 { margin-top: var(--spacing-5); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

.py-16 { padding: var(--spacing-16) 0; }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

/* Grid utilities */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.gap-8 { gap: var(--spacing-8); }

/* Responsive grid */
@media (max-width: 768px) {
    .md\\:grid-cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-4);
    }
    
    .stat-number {
        font-size: var(--font-size-3xl);
    }
    
    .stat-label {
        font-size: var(--font-size-base);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .md\\:grid-cols-4 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        padding: var(--spacing-4);
    }
}

/* Action Dropdowns for Card Search */
.action-dropdown {
    position: relative;
    display: inline-block;
}

.action-dropdown .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-dropdown .dropdown-toggle:hover {
    background: var(--color-gray-200);
    border-color: var(--color-gray-400);
}

.action-dropdown .dropdown-toggle i:last-child {
    transition: transform 0.3s ease;
}

.action-dropdown .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 200px;
}

.action-dropdown .dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.action-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-gray-700);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background-color 0.3s ease;
    border-bottom: 1px solid var(--color-gray-100);
}

.action-dropdown .dropdown-item:last-child {
    border-bottom: none;
}

.action-dropdown .dropdown-item:hover {
    background: var(--color-gray-50);
    color: var(--color-primary);
}

.action-dropdown .dropdown-item i {
    width: 16px;
    text-align: center;
    color: var(--color-gray-500);
}

.action-dropdown .dropdown-item:hover i {
    color: var(--color-primary);
}

/* Quick View Modal Action Buttons */
.modal-footer .action-buttons {
    display: flex;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

.modal-footer .action-buttons .btn {
    flex: 1;
    min-width: 120px;
}

/* Responsive adjustments for action dropdowns */
@media (max-width: 768px) {
    .action-dropdown .dropdown-menu {
        min-width: 180px;
    }
    
    .modal-footer .action-buttons {
        flex-direction: column;
    }
    
    .modal-footer .action-buttons .btn {
        width: 100%;
    }
}

/* Search Layout with Sticky Sidebar */
.search-layout {
    display: flex;
    gap: var(--spacing-6);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    min-height: calc(100vh - 200px);
}

.filters-sidebar {
    width: 300px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-6);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray-300) transparent;
}

.filters-sidebar::-webkit-scrollbar {
    width: 6px;
}

.filters-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.filters-sidebar::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: var(--radius-sm);
}

.filters-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-gray-200);
}

.filters-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.filters-header h3 i {
    color: var(--color-primary);
}

.filter-section {
    margin-bottom: var(--spacing-6);
}

.filter-section h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-3);
    padding-bottom: var(--spacing-2);
    border-bottom: 1px solid var(--color-gray-100);
}

.filter-section .filter-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.filter-section .filter-btn {
    width: 100%;
    justify-content: flex-start;
    text-align: left;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-gray-50);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-section .filter-btn:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-300);
    transform: translateX(2px);
}

.filter-section .filter-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.filter-section .filter-dropdown {
    width: 100%;
}

.filter-section .filter-dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    background: var(--color-gray-50);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-section .filter-dropdown-toggle:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-300);
}

.filter-section .filter-dropdown-toggle.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.filter-section .filter-dropdown-menu {
    width: 100%;
    min-width: 100%;
    left: 0;
    right: 0;
    max-height: 250px;
    overflow-y: auto;
}

.search-content {
    flex: 1;
    min-width: 0;
}

/* Responsive design for search layout */
@media (max-width: 1024px) {
    .search-layout {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .filters-sidebar {
        width: 100%;
        position: static;
        top: auto;
        order: 2;
    }
    
    .search-content {
        order: 1;
    }
    
    .filters-header {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: stretch;
    }
    
    .filter-section .filter-buttons {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .filter-section .filter-btn {
        width: auto;
        flex: 1;
        min-width: 120px;
    }
}

@media (max-width: 768px) {
    .search-layout {
        padding: 0 var(--spacing-3);
    }
    
    .filters-sidebar {
        padding: var(--spacing-4);
    }
    
    .filter-section .filter-buttons {
        flex-direction: column;
    }
    
    .filter-section .filter-btn {
        width: 100%;
    }
}

/* Enhanced Register Form Styles */
.auth-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8) 0;
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
}

.auth-card {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 600px;
    overflow: hidden;
    position: relative;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 200% 0; }
    50% { background-position: -200% 0; }
}

.auth-header {
    text-align: center;
    padding: var(--spacing-8) var(--spacing-6) var(--spacing-6);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.auth-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.auth-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
    position: relative;
    z-index: 1;
}

.auth-header p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.auth-form {
    padding: var(--spacing-6);
}

.form-step {
    display: none;
    animation: fadeInUp 0.5s ease-out;
}

.form-step.active {
    display: block;
}

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

.form-step h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-6);
    text-align: center;
    position: relative;
}

.form-step h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-sm);
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
    transition: color 0.3s ease;
}

.form-group label:focus-within {
    color: var(--color-primary);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    overflow: hidden;
}

.input-group:focus-within {
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
    transform: translateY(-1px);
}

.input-group i {
    padding: var(--spacing-4);
    color: var(--color-gray-500);
    font-size: var(--font-size-lg);
    transition: color 0.3s ease;
}

.input-group:focus-within i {
    color: var(--color-primary);
}

.input-group input,
.input-group select,
.input-group textarea {
    flex: 1;
    padding: var(--spacing-4);
    border: none;
    background: transparent;
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    outline: none;
    transition: all 0.3s ease;
}

.input-group input::placeholder,
.input-group textarea::placeholder {
    color: var(--color-gray-400);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    color: var(--color-gray-900);
}

.input-group.error {
    border-color: var(--color-danger);
    background: rgba(204, 0, 0, 0.05);
}

.input-group.error i {
    color: var(--color-danger);
}

.password-toggle {
    background: none;
    border: none;
    padding: var(--spacing-4);
    color: var(--color-gray-500);
    cursor: pointer;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--color-primary);
}

.form-help {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-2);
    line-height: 1.4;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-3);
    margin-top: var(--spacing-3);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.checkbox-item:hover {
    border-color: var(--color-primary);
    background: rgba(0, 102, 204, 0.05);
    transform: translateY(-1px);
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-item input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: bold;
}

.checkbox-item i {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    transition: color 0.3s ease;
}

.checkbox-item:hover i {
    color: var(--color-primary);
}

.checkbox-item.error {
    border-color: var(--color-danger);
    background: rgba(204, 0, 0, 0.05);
}

/* Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-lg);
    color: white;
    font-weight: 500;
    z-index: 10001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.notification.show {
    transform: translateX(0);
}

.notification-info {
    background: var(--color-info);
}

.notification-success {
    background: var(--color-success);
}

.notification-error {
    background: var(--color-danger);
}

.notification-warning {
    background: var(--color-warning);
    color: var(--color-black);
}

.form-actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: space-between;
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
}

.form-actions .btn {
    min-width: 120px;
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.form-actions .btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-blue));
    color: white;
    border: none;
    box-shadow: var(--shadow-md);
}

.form-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--color-blue), var(--color-primary));
}

.form-actions .btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
}

.form-actions .btn-secondary:hover {
    background: var(--color-gray-200);
    border-color: var(--color-gray-400);
    transform: translateY(-1px);
}

.verification-notice {
    background: linear-gradient(135deg, var(--color-info), var(--color-blue));
    color: white;
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    margin: var(--spacing-6) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
}

.verification-notice i {
    font-size: var(--font-size-lg);
    margin-top: 2px;
}

.verification-notice p {
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin: 0;
}

.auth-footer {
    text-align: center;
    padding: var(--spacing-6);
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}

.auth-footer p {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

.link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.link:hover {
    color: var(--color-blue);
    text-decoration: underline;
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.progress-step {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-gray-200);
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    position: relative;
}

.progress-step.active {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

.progress-step.completed {
    background: var(--color-success);
    color: white;
}

.progress-step::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 20px;
    height: 2px;
    background: var(--color-gray-300);
    transform: translateY(-50%);
}

.progress-step:last-child::after {
    display: none;
}

.progress-step.completed::after {
    background: var(--color-success);
}

/* Login Page Specific Styles */
.login-page .auth-card {
    max-width: 450px;
}

.login-page .auth-form {
    padding: var(--spacing-6);
}

.login-page .form-group {
    margin-bottom: var(--spacing-4);
}

.login-page .form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
    gap: var(--spacing-3);
}

.login-page .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    cursor: pointer;
}

.login-page .checkbox-label input[type="checkbox"] {
    display: none;
}

.login-page .checkbox-label .checkmark {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all 0.3s ease;
}

.login-page .checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.login-page .checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: bold;
}

.login-page .forgot-password {
    color: var(--color-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color 0.3s ease;
}

.login-page .forgot-password:hover {
    color: var(--color-blue);
    text-decoration: underline;
}

.login-page .btn-full {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.login-page .auth-divider {
    text-align: center;
    margin: var(--spacing-6) 0;
    position: relative;
}

.login-page .auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-gray-200);
}

.login-page .auth-divider span {
    background: white;
    padding: 0 var(--spacing-4);
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    position: relative;
    z-index: 1;
}

.login-page .social-auth {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.login-page .btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--color-gray-200);
    background: white;
    color: var(--color-gray-700);
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-page .btn-social:hover {
    border-color: var(--color-gray-300);
    background: var(--color-gray-50);
    transform: translateY(-1px);
}

.login-page .btn-google:hover {
    border-color: #DB4437;
    color: #DB4437;
}

.login-page .btn-facebook:hover {
    border-color: #4267B2;
    color: #4267B2;
}

/* Responsive Design for Auth Forms */
@media (max-width: 768px) {
    .auth-container {
        padding: var(--spacing-4) 0;
    }
    
    .auth-card {
        margin: 0 var(--spacing-4);
        border-radius: var(--radius-xl);
    }
    
    .auth-header {
        padding: var(--spacing-6) var(--spacing-4);
    }
    
    .auth-header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .auth-form {
        padding: var(--spacing-4);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .verification-notice {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-2);
    }
    
    .login-page .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
}

@media (max-width: 480px) {
    .auth-card {
        margin: 0 var(--spacing-3);
    }
    
    .auth-header h1 {
        font-size: var(--font-size-xl);
    }
    
    .form-step h3 {
        font-size: var(--font-size-lg);
    }
    
    .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .input-group i {
        padding: var(--spacing-2) var(--spacing-4);
        text-align: center;
        background: var(--color-gray-100);
    }
}