:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --white-color: #ffffff;
    --light-gray: #f5f7fa;
    --border-color: #e3e6f0;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --shadow-light: rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary, linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f4f8 100%));
    color: var(--text-primary, #2c3e50);
    overflow-x: hidden;
}

.min-vh-75 {
    min-height: 75vh;
}

/* Header Styles */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 20px var(--shadow-light);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 400; /* Eskiden 700'dü */
    color: var(--text-primary) !important;
}

/* Hero Section */
.hero-section {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #eef2f7 100%);
    position: relative;
}

.hero-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 1000 1000"><polygon fill="%23007bff10" points="0,0 1000,300 1000,1000 0,700"/></svg>');
    pointer-events: none;
}

.hero-image-container {
    position: relative;
}

.hero-image-container::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    background: linear-gradient(45deg, var(--primary-color), #6f42c1);
    border-radius: 1rem;
    z-index: -1;
    opacity: 0.1;
}

/* Feature Cards */
.feature-card {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e3e6f0);
    border-radius: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.15);
    border-color: var(--primary-color);
}

.feature-card h4 {
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Game Cards */
.game-card {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e3e6f0);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.15);
}

.game-card img {
    transition: transform 0.3s ease;
}

.game-card:hover img {
    transform: scale(1.1);
}

.game-card .card-title {
    color: var(--text-primary, #2c3e50) !important;
}

.game-card .card-text {
    color: var(--text-secondary, #6c757d) !important;
}

.game-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Category Cards */
.category-card {
    display: block;
    height: 200px;
    background: linear-gradient(45deg, rgba(0, 123, 255, 0.1) 0%, rgba(111, 66, 193, 0.1) 100%);
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 123, 255, 0.2);
    background: linear-gradient(45deg, rgba(0, 123, 255, 0.15) 0%, rgba(111, 66, 193, 0.15) 100%);
}

.category-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(255, 255, 255, 0.95));
}

.category-overlay h4 {
    color: var(--text-primary) !important;
}

.category-overlay p {
    color: var(--text-secondary) !important;
}

/* Marketplace Items */
.marketplace-item {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e3e6f0);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.marketplace-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.15);
}

.marketplace-item h6,
.marketplace-item h5 {
    color: var(--text-primary) !important;
}

.marketplace-item .text-white-50 {
    color: var(--text-secondary) !important;
}

.marketplace-item .item-title {
    color: var(--text-primary) !important;
}

/* Buttons */
.btn {
    border-radius: 0.5rem;
    font-weight: 400; /* Eskiden 600'dü */
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: transparent;
}

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

.btn-outline-light {
    color: var(--text-primary);
    border-color: var(--border-color);
    background: var(--white-color);
}

.btn-outline-light:hover {
    background: var(--light-gray);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

/* Forms */
.form-control {
    background: var(--input-bg, #ffffff);
    border: 1px solid var(--border-color, #e3e6f0);
    color: var(--text-primary, #2c3e50);
    border-radius: 0.5rem;
    box-shadow: 0 2px 5px var(--shadow-light);
}

.form-control:focus {
    background: var(--white-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

.form-label {
    color: var(--text-primary) !important;
}

/* Text Colors */
.text-white {
    color: var(--text-primary) !important;
}

.text-white-50 {
    color: var(--text-secondary) !important;
}

.display-4,
.display-5 {
    color: var(--text-primary) !important;
}

.lead {
    color: var(--text-secondary) !important;
}

/* Auth Cards */
.auth-card {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e3e6f0);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 30px var(--shadow-light);
}

.auth-card h2 {
    color: var(--text-primary) !important;
}

.auth-card .form-check-label {
    color: var(--text-secondary) !important;
}

/* Sections */
.bg-dark {
    background: var(--light-gray) !important;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 60px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .category-card {
        height: 150px;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 123, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Search Results */
.search-results {
    background: var(--white-color);
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px var(--shadow-light);
}

/* Filter Sidebar */
.filter-sidebar {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e3e6f0);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.filter-sidebar .list-group-item {
    color: var(--text-primary) !important;
    background: transparent !important;
}

.filter-sidebar .list-group-item:hover,
.filter-sidebar .list-group-item.active {
    background: var(--light-gray) !important;
    color: var(--primary-color) !important;
}

/* Pagination */
.pagination .page-link {
    background: var(--white-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.pagination .page-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.pagination .page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* Input Groups */
.input-group-text {
    background: var(--light-gray) !important;
    border-color: var(--border-color) !important;
    color: var(--text-secondary) !important;
}

/* Cards */
.card {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e3e6f0);
    box-shadow: 0 4px 15px var(--shadow-light);
}

.card-header {
    background: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

/* Marketplace Categories */
.marketplace-category {
    background: var(--white-color) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.marketplace-category:hover {
    background: var(--light-gray) !important;
    border-color: var(--primary-color) !important;
}

.marketplace-category h5 {
    color: var(--text-primary) !important;
}

.marketplace-category p {
    color: var(--text-secondary) !important;
}

/* Featured badges */
.featured-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #856404;
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 10;
}

/* Select elements */
.form-select {
    background: var(--white-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Demo info */
.demo-info {
    background: rgba(23, 162, 184, 0.1) !important;
    border: 1px solid rgba(23, 162, 184, 0.2);
}

.demo-info h6 {
    color: var(--info-color) !important;
}

.demo-info p {
    color: var(--text-secondary) !important;
}