/* Custom styles for E-Learning Tutorial */
:root {
    --primary-blue: #2563eb;
    --secondary-blue: #1e40af;
    --accent-green: #059669;
    --light-bg: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
}

/* Smooth transitions for all interactive elements */
* {
    transition: all 0.3s ease;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-blue);
}

/* Slide animations */
.slide {
    display: none;
    opacity: 0;
    transform: translateX(20px);
    animation: slideIn 0.5s ease-out forwards;
}

.slide.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Enhanced button styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transform: translateY(0);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

/* Progress bar enhancements */
.progress-container {
    background: linear-gradient(90deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 10px;
    padding: 2px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-green));
    border-radius: 8px;
    height: 12px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Rating stars animation */
.star {
    font-size: 1.5rem;
    transition: all 0.2s ease;
}

.star:hover {
    transform: scale(1.2);
}

.star.active {
    color: #fbbf24;
    text-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
}

/* Pagination dots */
.pagination-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #cbd5e1;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-dot.active {
    background: var(--primary-blue);
    transform: scale(1.2);
    box-shadow: 0 0 12px rgba(37, 99, 235, 0.5);
}

.pagination-dot:hover {
    background: var(--secondary-blue);
    transform: scale(1.1);
}

/* Modal animations */
.modal {
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    animation: slideUp 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Image enhancements */
.tutorial-image {
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.tutorial-image:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

/* Notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    animation: slideInRight 0.3s ease-out;
}

.notification.success {
    background: linear-gradient(135deg, #059669, #047857);
}

.notification.error {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.notification.info {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Loading spinner */
.loading-spinner {
    border: 3px solid #f3f4f6;
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive design enhancements */
@media (max-width: 768px) {
    .container {
        margin: 20px;
    }
    
    .slide h2 {
        font-size: 1.8rem;
    }
    
    .navigation {
        flex-direction: column;
        gap: 16px;
    }
    
    .pagination-dots {
        order: -1;
    }
}

/* Print styles */
@media print {
    .navigation,
    .modal,
    header,
    .feedback-section {
        display: none !important;
    }
    
    .slide {
        display: block !important;
        page-break-after: always;
    }
}

/* RTL Support for Arabic */
[dir="rtl"] {
    text-align: right;
}

[dir="rtl"] .flex {
    flex-direction: row-reverse;
}

[dir="rtl"] .space-x-4 > * + * {
    margin-right: 1rem;
    margin-left: 0;
}

[dir="rtl"] .rtl\:space-x-reverse > * + * {
    margin-right: 1rem;
    margin-left: 0;
}

[dir="rtl"] .ml-2 {
    margin-right: 0.5rem;
    margin-left: 0;
}

[dir="rtl"] .mr-2 {
    margin-left: 0.5rem;
    margin-right: 0;
}

[dir="rtl"] .mr-3 {
    margin-left: 0.75rem;
    margin-right: 0;
}

[dir="rtl"] .border-l-4 {
    border-left-width: 0;
    border-right-width: 4px;
}

[dir="rtl"] .rounded-lg {
    border-radius: 0.5rem;
}

[dir="rtl"] .text-left {
    text-align: right;
}

[dir="rtl"] .text-right {
    text-align: left;
}

/* Language toggle button */
.language-toggle {
    position: relative;
    overflow: hidden;
}

.language-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.language-toggle:hover::before {
    transform: translateX(100%);
}

/* Arabic font improvements */
[dir="rtl"] {
    font-family: 'Tajawal', 'Amiri', 'Noto Sans Arabic', Arial, sans-serif;
}

/* Language selection screen enhancements */
.language-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.language-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.language-card:active {
    transform: translateY(0);
}

/* Slide content RTL adjustments */
[dir="rtl"] .slide h2 {
    text-align: right;
}

[dir="rtl"] .slide p {
    text-align: right;
    line-height: 1.8;
}

[dir="rtl"] .slide ul {
    text-align: right;
}

[dir="rtl"] .slide li {
    text-align: right;
    padding-right: 15px;
    padding-left: 0;
}

/* Navigation buttons RTL */
[dir="rtl"] .nav-button.prev::before {
    content: '←';
    margin-left: 8px;
    margin-right: 0;
}

[dir="rtl"] .nav-button.next::after {
    content: '→';
    margin-right: 8px;
    margin-left: 0;
}

/* Modal content RTL */
[dir="rtl"] .modal h3 {
    text-align: right;
}

[dir="rtl"] .modal p {
    text-align: right;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-blue: #0066cc;
        --secondary-blue: #004499;
        --text-primary: #000000;
        --text-secondary: #333333;
    }
}

/* Arabic typography improvements */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700&display=swap');

[dir="rtl"] {
    font-family: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-feature-settings: "kern" 1, "liga" 1;
}

[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3 {
    font-weight: 700;
    letter-spacing: -0.025em;
}

[dir="rtl"] .text-lg {
    line-height: 1.75;
}

/* Animation adjustments for RTL */
@keyframes slideInRTL {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

[dir="rtl"] .slide.active {
    animation: slideInRTL 0.5s ease-out forwards;
}