/* Responsive Design */

/* Mobile First Approach - Base styles are for mobile */

/* Small Mobile (320px - 480px) */
@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .category-card {
        padding: var(--spacing-md);
    }
    
    .category-icon {
        font-size: 2rem;
    }
    
    .onboarding-container {
        padding: 0 var(--spacing-md);
    }
    
    .slide-icon {
        font-size: 4rem;
    }
    
    .services-icons {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .services-icons i {
        font-size: 2.5rem;
    }
    
    .app-title {
        font-size: 1.75rem;
    }
    
    .featured-banner {
        padding: var(--spacing-lg);
    }
    
    .banner-content h3 {
        font-size: 1.25rem;
    }
    
    .search-bar input {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* Large Mobile (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .onboarding-slide h2 {
        font-size: 1.5rem;
    }
    
    .featured-banner {
        padding: var(--spacing-xl);
    }
}

/* Tablet Portrait (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    #main-screen {
        padding-top: 80px;
        padding-bottom: 90px;
    }
    
    .top-nav {
        height: 80px;
        padding: 0 var(--spacing-xl);
    }
    
    .bottom-nav {
        height: 90px;
    }
    
    .nav-brand {
        font-size: 1.25rem;
    }
    
    .nav-brand i {
        font-size: 1.75rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
    
    .screen-content {
        padding: var(--spacing-lg) var(--spacing-xl);
        max-width: 800px;
        margin: 0 auto;
    }
    
    .onboarding-container {
        max-width: 500px;
    }
    
    .auth-container {
        max-width: 450px;
    }
    
    .slide-icon {
        font-size: 6rem;
    }
    
    .services-icons {
        gap: var(--spacing-xl);
    }
    
    .services-icons i {
        font-size: 4rem;
    }
    
    .nav-item i {
        font-size: 1.5rem;
    }
    
    .nav-item span {
        font-size: 0.875rem;
    }
}

/* Tablet Landscape & Small Desktop (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    #main-screen {
        padding-top: 90px;
        padding-bottom: 100px;
    }
    
    .top-nav {
        height: 90px;
        padding: 0 var(--spacing-2xl);
    }
    
    .bottom-nav {
        height: 100px;
    }
    
    .screen-content {
        padding: var(--spacing-xl) var(--spacing-2xl);
        max-width: 1000px;
        margin: 0 auto;
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
    
    .category-card {
        padding: var(--spacing-xl);
    }
    
    .category-icon {
        font-size: 3rem;
    }
    
    .featured-banner {
        padding: var(--spacing-2xl);
    }
    
    .banner-content h3 {
        font-size: 1.75rem;
    }
    
    .onboarding-container {
        max-width: 600px;
    }
    
    .auth-container {
        max-width: 500px;
    }
    
    .slide-image {
        height: 250px;
    }
    
    .slide-icon {
        font-size: 7rem;
    }
    
    .services-icons i {
        font-size: 5rem;
    }
}

/* Large Desktop (1200px+) */
@media (min-width: 1200px) {
    #main-screen {
        padding-top: 100px;
        padding-bottom: 120px;
    }
    
    .top-nav {
        height: 100px;
        padding: 0 var(--spacing-2xl);
    }
    
    .bottom-nav {
        height: 120px;
    }
    
    .screen-content {
        padding: var(--spacing-2xl);
        max-width: 1200px;
        margin: 0 auto;
    }
    
    .categories-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: var(--spacing-xl);
    }
    
    .nav-brand {
        font-size: 1.5rem;
    }
    
    .nav-brand i {
        font-size: 2rem;
    }
    
    .nav-icon {
        font-size: 1.5rem;
    }
    
    .featured-banner {
        padding: var(--spacing-2xl);
    }
    
    .banner-content h3 {
        font-size: 2rem;
    }
    
    .onboarding-container {
        max-width: 700px;
    }
    
    .auth-container {
        max-width: 550px;
    }
    
    .slide-image {
        height: 300px;
    }
    
    .slide-icon {
        font-size: 8rem;
    }
    
    .services-icons {
        gap: var(--spacing-2xl);
    }
    
    .services-icons i {
        font-size: 6rem;
    }
    
    .nav-item i {
        font-size: 1.75rem;
    }
    
    .nav-item span {
        font-size: 1rem;
    }
    
    /* Desktop hover states */
    .category-card:hover .category-icon {
        transform: scale(1.1);
        transition: transform 0.2s ease;
    }
    
    .chip:hover {
        transform: translateY(-2px);
    }
    
    .nav-item:hover {
        transform: translateY(-2px);
        transition: transform 0.2s ease;
    }
}

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 600px) {
    .onboarding-slide {
        display: flex;
        align-items: center;
        gap: var(--spacing-xl);
        text-align: left;
    }
    
    .slide-image {
        height: auto;
        width: 200px;
        flex-shrink: 0;
    }
    
    .slide-icon {
        font-size: 4rem;
    }
    
    .services-icons {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-md);
    }
    
    .services-icons i {
        font-size: 2.5rem;
    }
    
    .onboarding-slide.active {
        display: flex;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-icon,
    .category-icon,
    .slide-icon {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .screen {
        transition: none;
    }
    
    .loading-dots span,
    .logo-icon,
    .logo-leaf,
    .slide-icon,
    .services-icons i,
    .growth-arrow {
        animation: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #1a1a1a;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --border-color: #333333;
        --shadow-light: rgba(255, 255, 255, 0.1);
        --shadow-medium: rgba(255, 255, 255, 0.2);
    }
    
    .card {
        background: #2a2a2a;
        border: 1px solid var(--border-color);
    }
    
    .top-nav,
    .bottom-nav {
        background: #2a2a2a;
        border-color: var(--border-color);
    }
    
    .input-group input,
    .input-group select,
    .input-group textarea {
        background: #2a2a2a;
        color: var(--text-primary);
        border-color: var(--border-color);
    }
    
    .chip {
        background: #2a2a2a;
        color: var(--text-primary);
    }
    
    .loading-spinner {
        background: #2a2a2a;
        color: var(--text-primary);
    }
}

/* Print Styles */
@media print {
    .screen {
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .top-nav,
    .bottom-nav,
    .loading-overlay {
        display: none !important;
    }
    
    #main-screen {
        padding: 0 !important;
    }
    
    .screen-content {
        padding: 0 !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}