@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;900&family=Rajdhani:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Audiowide&family=Electrolize&display=swap');

:root {
    --primary: #2874f0;
    --secondary: #fb641b;
    --accent: #388e3c;
    --bg-dark: #ffffff;
    --bg-surface: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #212121;
    --text-secondary: #878787;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent);
    text-shadow: var(--glow-accent);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 10px 24px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

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

.btn-primary:hover {
    background: #1e5bc6;
    border-color: #1e5bc6;
    color: white;
}

.btn-secondary {
    border-color: var(--secondary);
    color: var(--secondary);
}

.btn-secondary:hover {
    box-shadow: var(--glow-secondary);
}

.btn-accent {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-accent:hover {
    box-shadow: var(--glow-accent);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.glass-card {
    background: rgba(26, 31, 58, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 30px;
    padding: 15px 0;
}

.logo {
    font-family: 'Audiowide', 'Orbitron', cursive;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(40, 116, 240, 0.3);
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.nav-menu a {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    padding: 6px 12px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
    border-bottom-color: var(--primary);
    color: var(--primary);
}

.search-bar {
    display: flex;
    align-items: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 16px;
    transition: all 0.3s ease;
    max-width: 400px;
    width: 100%;
}

.search-bar:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(40, 116, 240, 0.1);
}

.search-bar input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    width: 100%;
    outline: none;
}

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

.cart-icon {
    position: relative;
    font-size: 20px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--secondary);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(251, 100, 27, 0.4);
}

/* Responsive Header */
@media (max-width: 1200px) {
    .navbar {
        gap: 20px;
    }
    
    .logo {
        font-size: 20px;
    }
    
    .nav-menu {
        gap: 15px;
    }
    
    .nav-menu a {
        font-size: 13px;
        padding: 6px 10px;
    }
    
    .search-bar {
        max-width: 300px;
    }
}

@media (max-width: 992px) {
    .navbar {
        grid-template-columns: auto 1fr;
        gap: 15px;
    }
    
    .search-bar {
        grid-column: 1 / -1;
        max-width: 100%;
    }
    
    .nav-menu {
        gap: 12px;
    }
    
    .nav-menu a {
        font-size: 12px;
        padding: 5px 8px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 10px 0;
    }
    
    .logo {
        font-size: 18px;
    }
    
    .nav-menu {
        gap: 8px;
        font-size: 11px;
    }
}

.hero {
    padding: 60px 0;
    text-align: center;
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    border-radius: 12px;
    margin: 20px 0;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
    color: var(--text-primary);
    font-weight: 700;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(255, 0, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

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

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 240, 255, 0.3);
    border-color: var(--primary);
}

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

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.product-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.product-actions .btn {
    flex: 1;
    padding: 10px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--glow-primary);
}

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

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--accent);
    color: var(--accent);
}

.alert-error {
    background: rgba(255, 0, 100, 0.1);
    border-color: #ff0064;
    color: #ff6b9d;
}

.alert-info {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.alert-warning {
    background: rgba(255, 200, 0, 0.1);
    border-color: #ffc800;
    color: #ffd700;
}

footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 40px 0 20px;
    margin-top: 80px;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 40px 0;
}

.page-link {
    padding: 10px 15px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.page-link:hover,
.page-link.active {
    background: var(--primary);
    color: var(--bg-dark);
    border-color: var(--primary);
    box-shadow: var(--glow-primary);
}

.star-rating {
    display: inline-flex;
    gap: 2px;
}

.star {
    font-size: 18px;
}

.star.full {
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.star.half {
    color: #ffd700;
    opacity: 0.5;
}

.star.empty {
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 15px;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-featured {
    background: var(--accent);
    color: var(--bg-dark);
}

.badge-sale {
    background: var(--secondary);
    color: white;
}

.badge-new {
    background: var(--primary);
    color: var(--bg-dark);
}

.main-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    align-items: start;
}

.sidebar {
    position: sticky;
    top: 80px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.sidebar-section {
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section:last-child {
    border-bottom: none;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
}

.sidebar-link:hover {
    background: #f0f5ff;
    color: var(--primary);
}

.sidebar-link.active {
    background: #e8f0fe;
    color: var(--primary);
    border-left: 3px solid var(--primary);
    font-weight: 600;
}

.sidebar-icon {
    width: 18px;
    height: 18px;
    min-width: 18px;
    stroke-width: 2;
    margin-right: 2px;
}

.expand-icon {
    width: 12px;
    height: 12px;
    min-width: 12px;
    margin-left: auto;
    transition: transform 0.3s;
    opacity: 0.6;
}

.sidebar-link.active .expand-icon {
    transform: rotate(180deg);
}

.sidebar-link:hover .expand-icon {
    opacity: 1;
}

.price-filter label,
.platform-filter label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.price-filter label:hover,
.platform-filter label:hover {
    color: var(--primary);
}

.price-filter input[type="checkbox"],
.platform-filter input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    font-size: 13px;
    font-weight: 600;
}

.platform-badge.windows {
    background: rgba(0, 120, 215, 0.2);
    color: #0078d7;
    border: 1px solid #0078d7;
}

.platform-badge.mac {
    background: rgba(0, 0, 0, 0.2);
    color: #a2aaad;
    border: 1px solid #a2aaad;
}

.platform-badge.linux {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid #ffc107;
}

.promo-card {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(255, 0, 255, 0.05));
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--border-color);
}

.product-image-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg-surface);
}

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

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

.product-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.4;
}

.product-title a {
    color: var(--text-primary);
    text-decoration: none;
}

.product-title a:hover {
    color: var(--primary);
}

.product-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.5;
    flex: 1;
}

.product-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.product-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.product-actions .btn {
    flex: 1;
    padding: 10px;
    font-size: 13px;
    text-align: center;
}

.product-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 6px;
    font-size: 11px;
    color: var(--primary);
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: relative;
        top: 0;
        margin-bottom: 30px;
    }
}

.digital-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.instant-download {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--accent);
    background: #e8f5e9;
    padding: 4px 8px;
    border-radius: 4px;
    margin-bottom: 10px;
    font-weight: 500;
}

.instant-download::before {
    content: '⚡';
    font-size: 12px;
}