/* Tutorial-specific styles */


/* Breadcrumb */
.breadcrumb {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breadcrumb-list li:not(:last-child)::after {
    content: '/';
    margin: 0 0.5rem;
    color: var(--text-muted);
}

.breadcrumb-list a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-list a:hover {
    color: var(--primary-color);
}

/* Page Header */
.page-header {
    padding: 3rem 0;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Learning Paths */
.learning-paths {
    padding: 4rem 0;
}

.path-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.learning-path {
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.learning-path::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.learning-path.beginner::before {
    background: linear-gradient(90deg, #10b981, #34d399);
}

.learning-path.intermediate::before {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.learning-path.advanced::before {
    background: linear-gradient(90deg, #ef4444, #f87171);
}

.learning-path:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.path-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.path-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.beginner .path-icon {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.intermediate .path-icon {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.advanced .path-icon {
    background: linear-gradient(135deg, #ef4444, #f87171);
}

.path-icon i {
    font-size: 1.5rem;
    color: var(--text-inverse);
}

.path-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.path-level {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.path-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.path-courses {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.course-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition);
}

.course-card:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.course-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.course-icon i {
    font-size: 1.125rem;
    color: var(--text-inverse);
}

.course-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.course-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.course-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* All Tutorials Section */
.all-tutorials {
    padding: 4rem 0;
    background-color: var(--bg-secondary);
}

.tutorial-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}

.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tutorial-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    display: block;
    text-decoration: none;
}

.tutorial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.tutorial-image {
    height: 120px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.tutorial-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
}

.tutorial-image i {
    font-size: 3rem;
    color: var(--text-inverse);
    z-index: 1;
}

.tutorial-content {
    padding: 1.5rem;
}

.tutorial-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.category {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-color);
}

.difficulty {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.difficulty.beginner {
    background-color: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.difficulty.intermediate {
    background-color: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.difficulty.advanced {
    background-color: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.tutorial-title {
    margin-bottom: 1rem;
}

.tutorial-title a {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.tutorial-title a:hover {
    color: var(--primary-color);
}

.tutorial-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tutorial-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.tutorial-stats span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Tutorial Layout */
.tutorial-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.tutorial-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.sidebar-section {
    margin-bottom: 2rem;
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.sidebar-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 0.5rem;
}

.sidebar-nav a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background-color: var(--primary-color);
    color: var(--text-inverse);
}

.sidebar-nav .completed {
    color: #10b981;
}

.sidebar-nav .completed::before {
    content: '✓ ';
    font-weight: bold;
}

/* Tutorial Content */
.tutorial-content {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.tutorial-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.tutorial-meta-info {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tutorial-meta-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.tutorial-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--text-inverse);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
}

.nav-btn:hover {
    background-color: var(--primary-hover);
    color: var(--text-inverse);
}

.nav-btn.disabled {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* Code Blocks */
.code-example {
    margin: 2rem 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.example-header {
    display: flex;
    justify-content: between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.example-title {
    flex: 1;
}

.try-it-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.try-it-btn:hover {
    color: var(--primary-hover);
}

/* Code Tabs */
.code-tabs {
    margin: 2rem 0;
}

.tab-buttons {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    background: none;
    border: none;
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.tab-button:hover,
.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-panel {
    display: none;
    padding: 1rem 0;
}

.tab-panel.active {
    display: block;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

th,
td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

td {
    color: var(--text-secondary);
}

tr:last-child td {
    border-bottom: none;
}

/* Quiz Styles */
.quiz-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 2rem 0;
}

.quiz-question {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.quiz-options {
    list-style: none;
    margin-bottom: 1.5rem;
}

.quiz-options li {
    margin-bottom: 0.75rem;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

.quiz-option input[type="radio"] {
    margin: 0;
}

.quiz-submit {
    background-color: var(--primary-color);
    color: var(--text-inverse);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.quiz-submit:hover {
    background-color: var(--primary-hover);
}

/* AdSense Placeholder */
.ad-container {
    margin: 3rem 0;
    padding: 2rem;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    background-color: var(--bg-secondary);
}

.ad-placeholder {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-style: italic;
}

/* Info Grid for Tutorial Pages */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.info-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.info-icon i {
    font-size: 1.25rem;
    color: var(--text-inverse);
}

.info-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* Syntax Rules */
.syntax-rules {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.rule-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.rule-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.rule-item h4 i {
    color: #10b981;
    margin-right: 0.5rem;
}

.rule-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Example Container */
.example-container {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.example-container h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.result-container {
    margin: 1.5rem 0;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.result-container h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

/* Next Lesson Preview */
.next-lesson-preview {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.next-lesson-preview h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--bg-primary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-sm);
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Responsive Design */
@media (max-width: 991px) {
    .tutorial-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .tutorial-sidebar {
        position: static;
        max-height: none;
        order: 2;
    }
    
    .tutorial-content {
        order: 1;
    }
    
    .path-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }
    
    .page-description {
        font-size: 1rem;
    }
    
    .tutorial-grid {
        grid-template-columns: 1fr;
    }
    
    .tutorial-meta-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .tutorial-nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .course-card {
        flex-direction: column;
        text-align: center;
    }
    
    .course-meta {
        justify-content: center;
    }
}

@media (max-width: 575px) {
    .tutorial-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
    
    .tutorial-card {
        margin: 0 -1rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .tutorial-content,
    .tutorial-sidebar {
        padding: 1rem;
    }
}