/* Desktop-Only CSS - Forces desktop layout on all devices */

/* Force desktop layout on ALL screen sizes */
html, body {
    min-width: 1200px !important;
    overflow-x: auto !important;
    width: auto !important;
}

/* Disable ALL responsive behavior */
@media screen {
    /* Force minimum width for all containers */
    .container, 
    .main-container,
    .quiz-container,
    .course-container,
    .dashboard-container {
        min-width: 1200px !important;
        width: auto !important;
        max-width: none !important;
    }
    
    /* Ensure all elements maintain desktop sizing */
    * {
        max-width: none !important;
    }
    
    /* Remove any mobile-specific styling */
    .nav-container,
    .hero,
    .course-grid,
    .quiz-content {
        width: auto !important;
        min-width: 1200px !important;
    }
}

/* GPU acceleration for better performance */
.hero-title,
.course-card,
.answer-option,
.chronological-item,
.matching-term,
.matching-definition,
.notification,
.btn-primary {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Mobile-first responsive design */
@media (max-width: 768px) {
    /* General mobile optimizations */
    body {
        font-size: 14px;
        line-height: 1.4;
    }
    
    .container {
        padding: 0 1rem;
        max-width: 100%;
    }
    
    /* Navigation mobile fixes */
    .navbar {
        padding: 0.5rem 0;
    }
    
    .nav-container {
        padding: 0 1rem;
        min-height: 60px;
    }
    
    .nav-logo img {
        height: 60px !important;
    }
    
    /* Hero section mobile */
    .hero {
        padding-top: 80px;
        padding-bottom: 2rem;
    }
    
    .hero-title {
        font-size: 3rem !important;
        text-shadow: 2px 2px 0px #D4AF37, 4px 4px 0px #2C3E50 !important;
        animation: none !important;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem !important;
        margin-bottom: 2rem;
        padding: 0 1rem;
    }
    
    /* Button mobile fixes */
    .btn-primary {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
        width: 100%;
        margin: 0.5rem 0;
    }
    
    /* Modal mobile optimizations */
    .modal-content {
        width: 95% !important;
        margin: 5% auto !important;
        padding: 1.5rem !important;
        max-height: 90vh !important;
        overflow-y: auto;
    }
    
    .welcome-modal-content {
        width: 95% !important;
        padding: 2rem 1rem !important;
    }
    
    .welcome-options {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .welcome-btn {
        min-height: 80px !important;
        padding: 1rem !important;
        font-size: 1rem !important;
    }
    
    /* Form mobile optimizations */
    .input-group input {
        padding: 0.75rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .auth-form h2 {
        font-size: 1.5rem;
    }
    
    /* Course cards mobile */
    .course-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
        padding: 0 1rem;
    }
    
    .course-card {
        margin-bottom: 1rem;
        padding: 1.5rem;
    }
    
    .course-name {
        font-size: 1.5rem !important;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3) !important;
        background: none !important;
        -webkit-background-clip: unset !important;
        -webkit-text-fill-color: inherit !important;
        background-clip: unset !important;
    }
    
    /* Quiz mobile optimizations */
    .quiz-container {
        padding: 1rem !important;
        margin: 0 0.5rem !important;
    }
    
    .question-title {
        font-size: 1.2rem !important;
        margin-bottom: 1rem;
        line-height: 1.4;
    }
    
    .answer-option {
        padding: 1rem !important;
        margin: 0.5rem 0 !important;
        font-size: 0.9rem;
        min-height: 60px;
        display: flex;
        align-items: center;
    }
    
    .option-marker {
        font-size: 0.8rem !important;
        min-width: 30px;
        height: 30px;
        line-height: 30px;
    }
    
    .option-text {
        font-size: 0.9rem;
        line-height: 1.3;
    }
    
    /* Chronological items mobile */
    .chronological-item {
        padding: 0.75rem !important;
        margin: 0.5rem 0 !important;
        font-size: 0.85rem;
    }
    
    .drag-handle {
        font-size: 1.2rem;
        padding: 0 0.5rem;
    }
    
    /* Matching game mobile */
    .matching-container {
        flex-direction: column !important;
        gap: 1rem !important;
    }
    
    .matching-terms,
    .matching-definitions {
        width: 100% !important;
    }
    
    .matching-term,
    .matching-definition {
        padding: 0.75rem !important;
        font-size: 0.85rem;
        margin: 0.25rem 0;
    }
    
    /* Fill in the blank mobile */
    .fill-blank-input {
        padding: 1rem !important;
        font-size: 16px !important; /* Prevents zoom */
        width: 100%;
    }
    
    /* True/False mobile */
    .true-option,
    .false-option {
        width: 100% !important;
        margin: 0.5rem 0 !important;
    }
    
    /* Control buttons mobile */
    .quiz-controls {
        padding: 1rem !important;
        gap: 0.5rem !important;
        flex-direction: column;
    }
    
    .control-btn {
        width: 100% !important;
        padding: 0.75rem 1rem !important;
        font-size: 0.9rem;
        margin: 0.25rem 0;
    }
    
    /* Back button mobile */
    .back-btn {
        padding: 0.5rem 1rem !important;
        font-size: 0.8rem !important;
        margin: 0.5rem;
    }
    
    /* Progress bar mobile */
    .progress-bar {
        height: 6px !important;
        margin: 1rem 0;
    }
    
    /* Score display mobile */
    .score-display {
        font-size: 0.9rem !important;
        padding: 0.5rem !important;
    }
    
    /* Leaderboard mobile */
    .leaderboard-container {
        padding: 0 1rem !important;
    }
    
    .leaderboard-table {
        font-size: 0.8rem !important;
    }
    
    .leaderboard-table th,
    .leaderboard-table td {
        padding: 0.5rem 0.25rem !important;
    }
    
    /* Notification mobile */
    .notification-container {
        top: 70px !important;
        right: 10px !important;
        left: 10px !important;
        max-width: none !important;
    }
    
    .notification {
        margin-bottom: 0.5rem !important;
        padding: 1rem !important;
        font-size: 0.85rem;
    }
    
    .notification-title {
        font-size: 0.9rem !important;
    }
    
    .notification-message {
        font-size: 0.8rem !important;
    }
    
    /* Footer mobile */
    .footer {
        padding: 1rem 0;
        text-align: center;
    }
    
    .footer p {
        font-size: 0.8rem !important;
    }
}

/* Small mobile screens (phones in portrait) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem !important;
    }
    
    .modal-content {
        width: 98% !important;
        margin: 2% auto !important;
        padding: 1rem !important;
    }
    
    .course-card {
        padding: 1rem;
    }
    
    .answer-option {
        padding: 0.75rem !important;
        font-size: 0.85rem;
    }
    
    .quiz-container {
        padding: 0.5rem !important;
        margin: 0 0.25rem !important;
    }
    
    .question-title {
        font-size: 1.1rem !important;
    }
}

/* Tablet optimizations */
@media (max-width: 1024px) and (min-width: 769px) {
    .course-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .hero-title {
        font-size: 4rem !important;
    }
    
    .modal-content {
        width: 80% !important;
        max-width: 500px !important;
    }
}

/* Reduce expensive animations on mobile */
@media (max-width: 768px) {
    .hero-title,
    .about h2 {
        animation: none !important;
        text-shadow: 2px 2px 0px #D4AF37, 4px 4px 0px #2C3E50 !important;
    }
    
    .hero-container {
        animation: none !important;
    }
    
    body::before {
        display: none !important;
    }
    
    .navbar::before {
        display: none !important;
    }
}

/* Optimize transitions */
* {
    transition-property: transform, opacity, background-color, border-color, color, box-shadow;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Contain layout shifts */
.course-grid {
    contain: layout style paint;
}

.quiz-container {
    contain: layout style paint;
}

.answer-container {
    contain: layout style paint;
}

/* Optimize images */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    max-width: 100%;
    height: auto;
}

/* Lazy loading placeholder */
.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy.loaded {
    opacity: 1;
}

/* Reduce motion for users who prefer it */
@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;
    }
}

/* Optimize scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: #D4AF37 transparent;
}

/* Critical rendering optimizations */
.critical-render {
    contain: layout style paint;
    content-visibility: auto;
    contain-intrinsic-size: 300px;
}

/* Reduce repaints for fixed elements */
.navbar,
.notification-container {
    contain: layout style paint;
}

/* Optimize font rendering */
body {
    font-display: swap;
    text-rendering: optimizeSpeed;
}

/* Reduce complexity of shadows on mobile */
@media (max-width: 768px) {
    .modal-content,
    .notification,
    .course-card {
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1) !important;
    }
}

/* Hardware acceleration for interactive elements */
.course-card:hover,
.answer-option:hover,
.btn-primary:hover {
    transform: translateZ(0) translateY(-2px);
}

/* Touch-friendly sizing */
@media (max-width: 768px) {
    .clickable,
    .answer-option,
    .btn-primary,
    .control-btn {
        min-height: 44px; /* Apple's recommended touch target */
        min-width: 44px;
    }
}

/* Landscape mobile optimizations */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding-top: 60px;
        padding-bottom: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem !important;
        margin-bottom: 0.5rem;
    }
    
    .modal-content {
        max-height: 95vh !important;
        overflow-y: auto;
    }
}
/* Additional Mobile & Touch Optimizations for Quiz Pages */

/* Base mobile viewport and typography */
@media (max-width: 768px) {
    * {
        box-sizing: border-box !important;
    }
    
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    body {
        font-size: 16px !important; /* Prevents iOS zoom */
        line-height: 1.4 !important;
    }
    
    /* Quiz page header */
    .quiz-header {
        padding: 1rem !important;
        text-align: center !important;
        background: rgba(212, 175, 55, 0.1) !important;
        margin-bottom: 1rem !important;
    }
    
    .quiz-title {
        font-size: 1.4rem !important;
        margin: 0.5rem 0 !important;
        line-height: 1.3 !important;
        color: #2C3E50 !important;
        font-weight: 600 !important;
    }
    
    .quiz-subtitle {
        font-size: 0.9rem !important;
        color: #666 !important;
        margin-top: 0.5rem !important;
    }
    
    /* Quiz container mobile - ensuring proper spacing */
    .quiz-container {
        padding: 1rem !important;
        margin: 0.5rem !important;
        border-radius: 12px !important;
        background: white !important;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
        max-width: 100% !important;
        width: calc(100% - 1rem) !important;
    }
    
    /* Question mobile styling */
    .question-container {
        padding: 1.25rem !important;
        margin-bottom: 1.5rem !important;
        background: #f8f9fa !important;
        border-radius: 8px !important;
        border-left: 4px solid #D4AF37 !important;
    }
    
    .question-text {
        font-size: 1.1rem !important;
        line-height: 1.5 !important;
        margin-bottom: 1.5rem !important;
        color: #2C3E50 !important;
        font-weight: 500 !important;
    }
    
    .question-number {
        font-size: 0.85rem !important;
        color: #D4AF37 !important;
        font-weight: 600 !important;
        margin-bottom: 0.5rem !important;
        display: block !important;
    }
    
    /* Answer options mobile - Perfect touch targets */
    .answers-container {
        gap: 0.75rem !important;
        margin: 1rem 0 !important;
    }
    
    .answer-option {
        padding: 1.25rem !important;
        min-height: 70px !important;
        font-size: 0.95rem !important;
        border-radius: 10px !important;
        display: flex !important;
        align-items: center !important;
        gap: 1rem !important;
        border: 2px solid #e0e0e0 !important;
        background: white !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
        position: relative !important;
        overflow: hidden !important;
    }
    
    .answer-option:hover {
        transform: scale(1.02) !important;
        border-color: #D4AF37 !important;
        box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2) !important;
    }
    
    .answer-option:active {
        transform: scale(0.98) !important;
    }
    
    .answer-option.selected {
        background: rgba(212, 175, 55, 0.1) !important;
        border-color: #D4AF37 !important;
        transform: scale(1.02) !important;
    }
    
    .answer-option.correct {
        background: rgba(46, 204, 113, 0.1) !important;
        border-color: #2ecc71 !important;
    }
    
    .answer-option.incorrect {
        background: rgba(231, 76, 60, 0.1) !important;
        border-color: #e74c3c !important;
    }
    
    /* Option markers mobile */
    .option-marker {
        min-width: 40px !important;
        height: 40px !important;
        font-size: 1rem !important;
        line-height: 40px !important;
        flex-shrink: 0 !important;
        background: #f0f0f0 !important;
        border-radius: 50% !important;
        text-align: center !important;
        font-weight: 600 !important;
        color: #666 !important;
    }
    
    .answer-option.selected .option-marker {
        background: #D4AF37 !important;
        color: white !important;
    }
    
    .option-text {
        flex: 1 !important;
        font-size: 0.95rem !important;
        line-height: 1.4 !important;
        color: #333 !important;
    }
    
    /* Drag and drop mobile optimization */
    .chronological-container {
        gap: 0.75rem !important;
        padding: 1rem !important;
        background: #f8f9fa !important;
        border-radius: 8px !important;
        margin: 1rem 0 !important;
    }
    
    .chronological-item {
        padding: 1.25rem !important;
        font-size: 0.9rem !important;
        border-radius: 8px !important;
        cursor: grab !important;
        background: white !important;
        border: 2px solid #e0e0e0 !important;
        min-height: 60px !important;
        display: flex !important;
        align-items: center !important;
        gap: 0.75rem !important;
        touch-action: manipulation !important;
    }
    
    .chronological-item:active {
        cursor: grabbing !important;
        transform: scale(1.05) !important;
        box-shadow: 0 8px 20px rgba(0,0,0,0.2) !important;
        z-index: 1000 !important;
    }
    
    .chronological-item.dragging {
        opacity: 0.8 !important;
        transform: rotate(2deg) scale(1.05) !important;
    }
    
    .drag-handle {
        font-size: 1.5rem !important;
        padding: 0 0.5rem !important;
        color: #666 !important;
        cursor: grab !important;
    }
    
    .chronological-instructions {
        font-size: 0.9rem !important;
        color: #666 !important;
        text-align: center !important;
        margin-bottom: 1rem !important;
        padding: 0.75rem !important;
        background: rgba(212, 175, 55, 0.1) !important;
        border-radius: 6px !important;
    }
    
    /* Matching game mobile optimization */
    .matching-container {
        flex-direction: column !important;
        gap: 1.5rem !important;
        padding: 1rem !important;
    }
    
    .matching-terms,
    .matching-definitions {
        width: 100% !important;
    }
    
    .matching-header {
        font-size: 1rem !important;
        font-weight: 600 !important;
        padding: 1rem !important;
        text-align: center !important;
        background: rgba(212, 175, 55, 0.15) !important;
        border-radius: 8px !important;
        margin-bottom: 0.75rem !important;
        color: #2C3E50 !important;
    }
    
    .matching-term,
    .matching-definition {
        padding: 1.25rem !important;
        font-size: 0.9rem !important;
        margin: 0.5rem 0 !important;
        border-radius: 8px !important;
        min-height: 60px !important;
        display: flex !important;
        align-items: center !important;
        background: white !important;
        border: 2px solid #e0e0e0 !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
    }
    
    .matching-term:hover,
    .matching-definition:hover {
        border-color: #D4AF37 !important;
        transform: scale(1.02) !important;
    }
    
    .matching-term.selected,
    .matching-definition.selected {
        background: rgba(212, 175, 55, 0.1) !important;
        border-color: #D4AF37 !important;
    }
    
    .matching-term.matched,
    .matching-definition.matched {
        background: rgba(46, 204, 113, 0.1) !important;
        border-color: #2ecc71 !important;
        opacity: 0.7 !important;
    }
    
    /* Fill in the blank mobile */
    .fill-blank-container {
        padding: 1.25rem !important;
        background: #f8f9fa !important;
        border-radius: 8px !important;
        margin: 1rem 0 !important;
    }
    
    .fill-blank-question {
        font-size: 1.05rem !important;
        margin-bottom: 1.25rem !important;
        line-height: 1.5 !important;
        color: #2C3E50 !important;
    }
    
    .fill-blank-input {
        width: 100% !important;
        padding: 1.25rem !important;
        font-size: 16px !important; /* Prevents zoom on iOS */
        border-radius: 8px !important;
        border: 2px solid #ddd !important;
        margin-top: 0.75rem !important;
        background: white !important;
        transition: all 0.2s ease !important;
    }
    
    .fill-blank-input:focus {
        border-color: #D4AF37 !important;
        outline: none !important;
        box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2) !important;
    }
    
    /* True/False mobile */
    .true-false-container {
        display: flex !important;
        flex-direction: column !important;
        gap: 1rem !important;
        margin: 1.5rem 0 !important;
    }
    
    .true-option,
    .false-option {
        width: 100% !important;
        padding: 1.75rem !important;
        font-size: 1.2rem !important;
        font-weight: 600 !important;
        text-align: center !important;
        border-radius: 12px !important;
        min-height: 80px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        border: 3px solid #e0e0e0 !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
    }
    
    .true-option {
        background: rgba(46, 204, 113, 0.1) !important;
        color: #27ae60 !important;
    }
    
    .false-option {
        background: rgba(231, 76, 60, 0.1) !important;
        color: #c0392b !important;
    }
    
    .true-option:hover,
    .false-option:hover {
        transform: scale(1.05) !important;
        box-shadow: 0 6px 20px rgba(0,0,0,0.1) !important;
    }
    
    .true-option.selected {
        background: #27ae60 !important;
        color: white !important;
        border-color: #27ae60 !important;
    }
    
    .false-option.selected {
        background: #c0392b !important;
        color: white !important;
        border-color: #c0392b !important;
    }
    
    /* Control buttons mobile - Perfect positioning */
    .quiz-controls {
        padding: 1.25rem !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 1rem !important;
        position: sticky !important;
        bottom: 0 !important;
        background: white !important;
        border-top: 2px solid #f0f0f0 !important;
        margin: 1.5rem -1rem -1rem -1rem !important;
        border-radius: 12px 12px 0 0 !important;
    }
    
    .control-btn {
        width: 100% !important;
        padding: 1.25rem !important;
        font-size: 1.1rem !important;
        font-weight: 600 !important;
        border-radius: 10px !important;
        min-height: 60px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 0.75rem !important;
        border: none !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
    }
    
    .control-btn.primary {
        background: linear-gradient(135deg, #D4AF37, #B8941F) !important;
        color: white !important;
    }
    
    .control-btn.secondary {
        background: #f8f9fa !important;
        color: #666 !important;
        border: 2px solid #e0e0e0 !important;
    }
    
    .control-btn:hover:not(:disabled) {
        transform: translateY(-2px) !important;
        box-shadow: 0 6px 20px rgba(0,0,0,0.15) !important;
    }
    
    .control-btn:active:not(:disabled) {
        transform: translateY(0) !important;
    }
    
    .control-btn:disabled {
        opacity: 0.5 !important;
        cursor: not-allowed !important;
        transform: none !important;
    }
    
    /* Progress indicators mobile */
    .quiz-progress {
        padding: 1rem !important;
        text-align: center !important;
        font-size: 0.9rem !important;
        background: rgba(212, 175, 55, 0.05) !important;
        border-radius: 8px !important;
        margin: 1rem 0 !important;
    }
    
    .progress-bar {
        height: 10px !important;
        border-radius: 5px !important;
        margin: 0.75rem 0 !important;
        overflow: hidden !important;
        background: #e0e0e0 !important;
    }
    
    .progress-fill {
        height: 100% !important;
        background: linear-gradient(90deg, #D4AF37, #2C3E50) !important;
        transition: width 0.4s ease !important;
        border-radius: 5px !important;
    }
    
    .progress-text {
        font-size: 0.85rem !important;
        color: #666 !important;
        font-weight: 500 !important;
    }
    
    /* Score display mobile */
    .score-display {
        background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(44, 62, 80, 0.05)) !important;
        padding: 1.5rem !important;
        border-radius: 12px !important;
        text-align: center !important;
        margin: 1.5rem 0 !important;
        border: 2px solid rgba(212, 175, 55, 0.2) !important;
    }
    
    .score-number {
        font-size: 2rem !important;
        font-weight: bold !important;
        color: #D4AF37 !important;
        text-shadow: 1px 1px 2px rgba(0,0,0,0.1) !important;
    }
    
    .score-label {
        font-size: 1rem !important;
        color: #666 !important;
        margin-top: 0.5rem !important;
    }
    
    /* Back button mobile */
    .back-btn {
        position: fixed !important;
        top: 80px !important;
        left: 1rem !important;
        z-index: 1000 !important;
        padding: 0.75rem 1.25rem !important;
        font-size: 0.9rem !important;
        border-radius: 25px !important;
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(15px) !important;
        border: 2px solid rgba(212, 175, 55, 0.3) !important;
        color: #333 !important;
        text-decoration: none !important;
        transition: all 0.2s ease !important;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
    }
    
    .back-btn:hover {
        background: rgba(212, 175, 55, 0.95) !important;
        color: white !important;
        transform: translateY(-2px) !important;
        box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3) !important;
    }
    
    /* Timer mobile (if present) */
    .quiz-timer {
        position: fixed !important;
        top: 80px !important;
        right: 1rem !important;
        z-index: 1000 !important;
        padding: 0.75rem 1rem !important;
        background: rgba(255, 255, 255, 0.95) !important;
        border-radius: 20px !important;
        border: 2px solid rgba(231, 76, 60, 0.3) !important;
        color: #e74c3c !important;
        font-weight: 600 !important;
        font-size: 0.9rem !important;
        backdrop-filter: blur(15px) !important;
    }
    
    /* Landscape mode adjustments */
    @media (orientation: landscape) and (max-height: 500px) {
        .quiz-container {
            padding: 0.75rem !important;
        }
        
        .back-btn {
            top: 10px !important;
            left: 0.5rem !important;
            padding: 0.5rem 1rem !important;
            font-size: 0.8rem !important;
        }
        
        .quiz-timer {
            top: 10px !important;
            right: 0.5rem !important;
            padding: 0.5rem 0.75rem !important;
        }
        
        .quiz-controls {
            position: static !important;
            margin: 1rem 0 0 0 !important;
            flex-direction: row !important;
        }
        
        .control-btn {
            flex: 1 !important;
            padding: 1rem !important;
        }
        
        .quiz-header {
            padding: 0.75rem !important;
        }
        
        .quiz-title {
            font-size: 1.2rem !important;
        }
    }
}

/* Extra small screens optimization */
@media (max-width: 480px) {
    .quiz-container {
        margin: 0.25rem !important;
        width: calc(100% - 0.5rem) !important;
        padding: 0.75rem !important;
    }
    
    .answer-option {
        padding: 1rem !important;
        min-height: 65px !important;
        font-size: 0.9rem !important;
    }
    
    .option-marker {
        min-width: 35px !important;
        height: 35px !important;
        line-height: 35px !important;
        font-size: 0.9rem !important;
    }
    
    .chronological-item {
        padding: 1rem !important;
        font-size: 0.85rem !important;
        min-height: 55px !important;
    }
    
    .matching-term,
    .matching-definition {
        padding: 1rem !important;
        font-size: 0.85rem !important;
        min-height: 55px !important;
    }
    
    .quiz-title {
        font-size: 1.2rem !important;
    }
    
    .question-text {
        font-size: 1rem !important;
    }
    
    .control-btn {
        padding: 1rem !important;
        font-size: 1rem !important;
        min-height: 55px !important;
    }
    
    .score-number {
        font-size: 1.7rem !important;
    }
}

/* Improve touch targets and accessibility */
@media (max-width: 768px) {
    .clickable,
    .answer-option,
    .control-btn,
    .chronological-item,
    .matching-term,
    .matching-definition,
    .true-option,
    .false-option {
        min-height: 44px !important; /* Apple's recommended minimum */
        min-width: 44px !important;
        cursor: pointer !important;
    }
    
    /* Improve focus states for accessibility */
    .answer-option:focus,
    .control-btn:focus,
    .fill-blank-input:focus {
        outline: 3px solid rgba(212, 175, 55, 0.5) !important;
        outline-offset: 2px !important;
    }
}

/* Prevent text selection during drag operations */
.chronological-item.dragging,
.matching-term.selected,
.matching-definition.selected {
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

/* Loading states */
.quiz-loading {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    min-height: 200px !important;
    font-size: 1.1rem !important;
    color: #666 !important;
}

/* Success/Error states */
.quiz-success {
    background: rgba(46, 204, 113, 0.1) !important;
    border: 2px solid #2ecc71 !important;
    color: #27ae60 !important;
    padding: 1rem !important;
    border-radius: 8px !important;
    text-align: center !important;
    margin: 1rem 0 !important;
}

.quiz-error {
    background: rgba(231, 76, 60, 0.1) !important;
    border: 2px solid #e74c3c !important;
    color: #c0392b !important;
    padding: 1rem !important;
    border-radius: 8px !important;
    text-align: center !important;
    margin: 1rem 0 !important;
}