/* Mobile-Specific Optimizations */

/* Touch-friendly interactions */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .card,
    .option-button,
    .faq-question {
        min-height: 44px;
        min-width: 44px;
    }
    
    .btn {
        padding: var(--space-3) var(--space-6);
    }
    
    /* Remove hover effects on touch devices */
    .btn:hover,
    .card:hover,
    .nav-link:hover {
        transform: none;
        box-shadow: none;
    }
    
    /* Add active states for touch feedback */
    .btn:active {
        transform: scale(0.98);
        opacity: 0.8;
    }
    
    .card:active {
        transform: scale(0.99);
    }
}

/* Mobile-first responsive breakpoints */
@media (max-width: 480px) {
    /* Typography adjustments */
    .hero-title {
        font-size: var(--text-3xl);
        line-height: var(--leading-tight);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .page-title {
        font-size: var(--text-3xl);
    }
    
    /* Container adjustments */
    .container {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }
    
    /* Header optimizations */
    .navbar {
        padding: var(--space-3) 0;
    }
    
    .nav-menu {
        padding: var(--space-4);
        max-height: calc(100vh - 56px);
        overflow-y: auto;
    }

    /* Prevent body scroll when menu is open */
    body.nav-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
    }
    
    .nav-list {
        gap: var(--space-1);
        padding: 0;
        margin: 0;
    }
    
    .nav-link {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-1);
        min-height: 60px;
        border-radius: var(--radius-md);
        transition: all var(--transition-base);
    }

    .nav-link i {
        font-size: var(--text-base);
    }

    .nav-link.active {
        background-color: var(--primary-light);
        color: var(--white);
        border-radius: var(--radius-lg);
    }

    .dropdown-link {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
        border-radius: var(--radius-sm);
        margin: var(--space-1) 0;
    }

    .dropdown-link.active {
        background-color: var(--primary-color);
        color: var(--white);
    }
    
    /* Hero section mobile optimization */
    .hero {
        padding: var(--space-12) 0;
        text-align: center;
    }
    
    .hero-content {
        gap: var(--space-6);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }
    
    /* Feature cards mobile layout */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .feature-card {
        padding: var(--space-6);
        text-align: center;
    }
    
    /* Test interface mobile optimizations */
    .test-config {
        padding: var(--space-6);
    }
    
    .config-options {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .test-interface {
        padding: var(--space-6);
    }
    
    .test-header {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .test-stats {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    /* Typing test mobile adjustments */
    .text-display {
        font-size: var(--text-base);
        line-height: var(--leading-relaxed);
        padding: var(--space-4);
        max-height: 200px;
    }
    
    .typing-input {
        font-size: var(--text-base);
        padding: var(--space-4);
        min-height: 120px;
    }
    
    /* Quiz mobile optimizations */
    .question-card {
        padding: var(--space-4);
    }
    
    .question-text {
        font-size: var(--text-lg);
    }
    
    .option-button {
        padding: var(--space-3);
        font-size: var(--text-base);
    }
    
    .option-letter {
        width: 28px;
        height: 28px;
        font-size: var(--text-xs);
    }
    
    /* Blog mobile layout */
    .blog-layout {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .featured-post {
        margin-bottom: var(--space-8);
    }
    
    .featured-content {
        padding: var(--space-6);
    }
    
    .featured-title {
        font-size: var(--text-2xl);
    }
    
    .blog-posts-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .blog-sidebar {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    /* Article mobile layout */
    .article-layout {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .article-title {
        font-size: var(--text-2xl);
    }
    
    .article-content {
        font-size: var(--text-base);
    }
    
    /* Results page mobile */
    .results-filters {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .filter-actions {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .overview-stats {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
    
    .charts-section {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .chart-wrapper {
        height: 250px;
    }
    
    /* Contact form mobile */
    .contact-layout {
        grid-template-columns: 1fr !important;
        gap: var(--space-4) !important;
    }

    .contact-form-section,
    .contact-info-section {
        padding: var(--space-4) !important;
        margin: 0 !important;
    }

    .form-row {
        grid-template-columns: 1fr !important;
        gap: var(--space-3) !important;
    }

    .form-header {
        margin-bottom: var(--space-4) !important;
    }

    .form-title {
        font-size: var(--text-xl) !important;
    }

    .form-description {
        font-size: var(--text-sm) !important;
    }

    .contact-method {
        flex-direction: column !important;
        text-align: center !important;
        padding: var(--space-3) !important;
        gap: var(--space-2) !important;
    }

    .method-icon {
        width: 40px !important;
        height: 40px !important;
        font-size: var(--text-base) !important;
        align-self: center !important;
    }

    .method-title {
        font-size: var(--text-sm) !important;
    }

    .method-text {
        font-size: var(--text-sm) !important;
    }

    .method-note {
        font-size: var(--text-xs) !important;
    }

    .faq-section {
        padding: var(--space-4) !important;
    }

    .faq-title {
        font-size: var(--text-lg) !important;
    }

    .faq-question {
        padding: var(--space-3) !important;
        font-size: var(--text-sm) !important;
    }

    .faq-answer p {
        padding: var(--space-3) !important;
        font-size: var(--text-sm) !important;
    }

    .info-title {
        font-size: var(--text-lg) !important;
    }

    .info-description {
        font-size: var(--text-sm) !important;
    }
    
    /* Footer mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Modal mobile adjustments */
    .modal-content {
        margin: var(--space-4);
        max-height: calc(100vh - var(--space-8));
        overflow-y: auto;
    }
    
    /* Toast mobile positioning */
    .toast {
        left: var(--space-4);
        right: var(--space-4);
        width: auto;
    }
    
    /* Loading overlay mobile */
    .loading-overlay {
        padding: var(--space-4);
    }
    
    .loading-content {
        padding: var(--space-6);
    }
}

/* Landscape phone optimizations */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: var(--space-8) 0;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .test-interface {
        padding: var(--space-4);
    }
    
    .text-display {
        max-height: 150px;
    }
    
    .typing-input {
        min-height: 80px;
    }
    
    .nav-menu {
        max-height: calc(100vh - 60px);
    }
}

/* Small screen optimizations */
@media (max-width: 360px) {
    .container {
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .btn {
        padding: var(--space-2) var(--space-4);
        font-size: var(--text-sm);
    }
    
    .btn-lg {
        padding: var(--space-3) var(--space-5);
        font-size: var(--text-base);
    }
    
    .feature-card {
        padding: var(--space-4);
    }
    
    .test-config,
    .test-interface {
        padding: var(--space-4);
    }
    
    .question-card {
        padding: var(--space-3);
    }
    
    .option-button {
        padding: var(--space-2);
        font-size: var(--text-sm);
    }
    
    .stat-card {
        padding: var(--space-4);
    }
    
    .stat-value {
        font-size: var(--text-2xl);
    }

    /* Contact form extra small screens */
    .contact-form-section,
    .contact-info-section {
        padding: var(--space-3) !important;
    }

    .form-title {
        font-size: var(--text-lg) !important;
    }

    .form-description {
        font-size: var(--text-xs) !important;
    }

    .method-icon {
        width: 36px !important;
        height: 36px !important;
        font-size: var(--text-sm) !important;
    }

    .faq-question {
        padding: var(--space-2) !important;
        font-size: var(--text-xs) !important;
    }

    .faq-answer p {
        padding: var(--space-2) !important;
        font-size: var(--text-xs) !important;
    }
}

/* High DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo,
    .feature-icon,
    .stat-icon {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .hero-content,
    .feature-card,
    .btn {
        transform: none !important;
    }
}

/* Dark mode support for mobile */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1f2937;
        --bg-secondary: #374151;
        --bg-tertiary: #4b5563;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --text-tertiary: #9ca3af;
        --border-primary: #4b5563;
    }
    
    .hero {
        background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    }
    
    .feature-card,
    .test-config,
    .test-interface {
        background-color: var(--bg-secondary);
        border-color: var(--border-primary);
    }
}

/* Print styles for mobile */
@media print {
    .nav-toggle,
    .hero-actions,
    .test-actions,
    .question-actions,
    .results-actions,
    .filter-actions {
        display: none !important;
    }
    
    .container {
        padding-left: 0;
        padding-right: 0;
    }
    
    .hero,
    .section {
        padding: var(--space-4) 0;
    }
    
    .page-title,
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .text-display,
    .article-content {
        font-size: 12pt;
        line-height: 1.4;
    }
}