/* Responsive Tasarım */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Header */
    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .nav-menu {
        order: 3;
        flex-basis: 100%;
        justify-content: center;
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--border-color);
    }
    
    /* Hero Section */
    .hero-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .point-code-section {
        order: -1;
    }
    
    /* Products */
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    /* Catalog Controls */
    .catalog-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .search-box {
        min-width: auto;
    }
    
    .catalog-controls select {
        width: 100%;
    }
}

/* Mobile Large (481px - 767px) */
@media (max-width: 767px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    /* Header */
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .logo-img {
        height: 42px;
        max-width: 180px;
    }
    
    .nav-menu {
        order: 2;
        flex-basis: auto;
        padding-top: 0;
        border-top: none;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .user-section {
        order: 3;
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--border-color);
        width: 100%;
    }
    
    .points-badge {
        font-size: var(--font-size-lg);
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    /* Hero Section */
    .hero-section {
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
    }
    
    .stream-embed {
        margin-bottom: var(--spacing-md);
    }
    
    .point-code-section h2 {
        font-size: 1.5rem;
    }
    
    .code-input-group {
        gap: var(--spacing-sm);
    }
    
    .code-input-group input {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm);
    }
    
    /* Products */
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .product-card {
        margin-bottom: var(--spacing-md);
    }
    
    .product-info {
        padding: var(--spacing-sm);
    }
    
    .product-name {
        font-size: var(--font-size-base);
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-section {
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-section:last-child {
        border-bottom: none;
    }
}

/* Mobile Small (320px - 480px) */
@media (max-width: 480px) {
    /* Base */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Typography */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    /* Header */
    .logo-img {
        height: 36px;
        max-width: 150px;
    }
    
    .nav-menu {
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        padding: var(--spacing-xs);
        font-size: var(--font-size-sm);
    }
    
    .points-badge {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* Hero Section */
    .hero-section {
        padding: var(--spacing-md);
    }
    
    .point-code-section {
        padding: var(--spacing-md);
    }
    
    .point-code-section h2 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .code-form {
        max-width: none;
    }
    
    /* Products */
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .product-card {
        max-width: none;
    }
    
    .product-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .product-pricing {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .price {
        font-size: var(--font-size-lg);
    }
    
    /* Buttons */
    .btn {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .btn-large {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }
    
    /* Spacing Utilities */
    .main-content {
        padding: var(--spacing-lg) 0;
    }
    
    .featured-products,
    .all-products {
        margin-bottom: var(--spacing-lg);
    }
}

/* Mobile Extra Small (≤ 320px) */
@media (max-width: 320px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero-section {
        padding: var(--spacing-sm);
    }
    
    .point-code-section {
        padding: var(--spacing-sm);
    }
    
    .product-info {
        padding: var(--spacing-xs);
    }
    
    .modal-body {
        padding: var(--spacing-sm);
    }
}

/* Landscape Mode için özel düzenlemeler */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        grid-template-columns: 2fr 1fr;
    }
    
    .point-code-section {
        order: 0;
    }
    
    .modal-content {
        max-height: 95vh;
    }
}

/* Hamburger Menu (Mobile Navigation) */
@media (max-width: 767px) {
    .nav-toggle {
        display: block;
        background: none;
        border: none;
        color: var(--text-color);
        font-size: 1.5rem;
        cursor: pointer;
        padding: var(--spacing-xs);
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--card-bg);
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--border-color);
        flex-direction: column;
        padding: var(--spacing-md);
        z-index: 1000;
    }
    
    .nav-menu.show {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        margin-bottom: var(--spacing-xs);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .product-image img {
        image-rendering: -webkit-optimize-contrast;
    }
    
    .avatar {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1A202C;
        --card-bg: #2D3748;
        --text-color: #F7FAFC;
        --text-secondary: #A0AEC0;
        --border-color: #4A5568;
    }
    
    .header {
        background: var(--card-bg);
        border-bottom-color: var(--border-color);
    }
    
    .modal-content {
        background: var(--card-bg);
        color: var(--text-color);
    }
    
    .toast {
        background: var(--card-bg);
        color: var(--text-color);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .modal-content {
        transform: none !important;
    }
    
    .toast {
        transform: none !important;
    }
}

/* Print Styles */
@media print {
    .header,
    .nav-menu,
    .user-section,
    .footer,
    .modal,
    .toast-container {
        display: none !important;
    }
    
    .main-content {
        padding: 0;
    }
    
    .hero-section {
        grid-template-columns: 1fr;
    }
    
    .stream-container {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .product-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    * {
        color: #000 !important;
        background: #fff !important;
    }
}

/* Focus States for Accessibility */
.btn:focus,
.nav-link:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--accent-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 10001;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
    outline: none;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
        --text-secondary: #000;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .product-card {
        border: 2px solid var(--border-color);
    }
}