/* BlueWallpaper.online - Responsive Styles */

/* Mobile First Approach */

/* Extra Small Devices (phones, 576px and down) */
@media (max-width: 575.98px) {
    .container {
        padding: 0 15px;
    }
    
    /* Typography */
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* Navigation */
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    }
    
    .nav-menu.active {
        display: block;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-menu li {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem;
        border-radius: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Dropdown adjustments for mobile */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255,255,255,0.1);
        margin-left: 1rem;
    }
    
    .dropdown-menu a {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    /* Hero Section */
    .hero {
        padding: 2rem 0;
    }
    
    /* Search Box */
    .search-box {
        flex-direction: column;
        border-radius: 10px;
    }
    
    .search-box input {
        border-radius: 0;
        border-bottom: 1px solid #eee;
    }
    
    .search-box button {
        border-radius: 0;
        padding: 0.75rem;
    }
    
    /* Grids */
    .category-grid,
    .room-grid,
    .guide-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .wallpaper-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    /* Cards */
    .category-card,
    .room-card {
        margin-bottom: 1rem;
    }
    
    .category-card img,
    .room-card img {
        height: 150px;
    }
    
    /* Sections */
    section {
        padding: 2rem 0;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .wallpaper-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-grid,
    .room-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guide-grid {
        grid-template-columns: 1fr;
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        display: block;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .wallpaper-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .room-grid,
    .guide-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .search-box {
        flex-direction: row;
    }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .wallpaper-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .room-grid,
    .guide-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
    
    .wallpaper-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .category-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .room-grid,
    .guide-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize images for retina displays */
    .category-card img,
    .room-card img,
    .wallpaper-item img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 500px) {
    .hero {
        padding: 1rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
}

/* Portrait Orientation */
@media (orientation: portrait) {
    .wallpaper-grid {
        gap: 1rem;
    }
    
    .wallpaper-item img {
        height: 180px;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .category-card:hover,
    .room-card:hover,
    .guide-card:hover,
    .wallpaper-item:hover {
        transform: none;
    }
    
    /* Increase touch targets */
    .nav-menu a,
    .search-box button,
    #loadMoreBtn {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Improve dropdown for touch */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #ffffff;
        --card-bg: #2d2d2d;
        --border-color: #404040;
    }
    
    body {
        background-color: var(--bg-color);
        color: var(--text-color);
    }
    
    .category-card,
    .room-card,
    .wallpaper-item {
        background-color: var(--card-bg);
        border: 1px solid var(--border-color);
    }
    
    .guide-card {
        background: linear-gradient(135deg, #2d2d2d 0%, #404040 100%);
    }
    
    .search-box {
        background: var(--card-bg);
    }
    
    .search-box input {
        background: transparent;
        color: var(--text-color);
    }
    
    .dropdown-menu {
        background: var(--card-bg);
        border: 1px solid var(--border-color);
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .category-card,
    .room-card,
    .wallpaper-item,
    .guide-card {
        border: 2px solid #000;
    }
    
    .search-box {
        border: 2px solid #000;
    }
    
    a {
        text-decoration: underline;
    }
}

/* Print Optimizations */
@media print {
    .nav-toggle,
    .dropdown-menu {
        display: none !important;
    }
    
    .category-grid,
    .room-grid,
    .guide-grid,
    .wallpaper-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .hero {
        padding: 1rem 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    section {
        padding: 1rem 0;
    }
}

/* Accessibility Improvements */
@media (max-width: 767.98px) {
    /* Ensure focus indicators are visible on mobile */
    a:focus,
    button:focus,
    input:focus {
        outline: 3px solid #3498db;
        outline-offset: 3px;
    }
    
    /* Improve text readability */
    body {
        font-size: 16px;
        line-height: 1.6;
    }
    
    /* Ensure adequate spacing for touch targets */
    .nav-menu a {
        padding: 1rem;
        margin: 0.25rem 0;
    }
}

/* Animation Optimizations for Mobile */
@media (max-width: 767.98px) {
    .fade-in {
        animation-duration: 0.3s;
    }
    
    .loading {
        width: 16px;
        height: 16px;
        border-width: 2px;
    }
}

/* Flexible Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
}

@media (max-width: 767.98px) {
    .row {
        margin: 0 -10px;
    }
    
    .col {
        padding: 0 10px;
        flex: 100%;
    }
}