/* Tutorial Page Styles */
.page-hero {
    padding: 8rem 0 4rem;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    box-shadow: var(--shadow);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    margin-top: 10px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.search-results.show {
    display: block;
}

.search-result {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.search-result:last-child {
    border-bottom: none;
}

.search-result a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.result-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.result-type {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.search-loading {
    padding: 2rem;
    text-align: center;
}

.no-results {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Tutorial Categories */
.tutorial-categories {
    padding: 4rem 0;
}

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

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: white;
    color: var(--text-secondary);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

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

.tutorial-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.tutorial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.tutorial-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 2rem;
}

.tutorial-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tutorial-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.tutorial-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: center;
}

.difficulty {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.difficulty.beginner {
    background: #dcfce7;
    color: #166534;
}

.difficulty.intermediate {
    background: #fef3c7;
    color: #92400e;
}

.difficulty.advanced {
    background: #fecaca;
    color: #991b1b;
}

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

.tutorial-progress {
    margin-bottom: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 1s ease;
}

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

.tutorial-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
    display: block;
}

.tutorial-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Tutorial Content */
.tutorial-content {
    padding: 2rem 0;
}

.tutorial-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tutorial-sidebar {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.tutorial-sidebar h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.lesson-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lesson-item:hover,
.lesson-item.active {
    background: var(--gradient-primary);
    color: white;
}

.lesson-number {
    width: 30px;
    height: 30px;
    background: var(--border-color);
    color: var(--text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.lesson-item.active .lesson-number,
.lesson-item:hover .lesson-number {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.lesson-title {
    font-weight: 500;
    font-size: 0.875rem;
}

.tutorial-main {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

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

.lesson-header h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.lesson-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.lesson-content {
    line-height: 1.8;
    margin-bottom: 2rem;
}

.lesson-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.lesson-content p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.lesson-content ul {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.lesson-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.lesson-content code {
    background: #f8fafc;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.875rem;
    color: var(--primary-color);
}

.code-example {
    margin: 2rem 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.code-header {
    background: var(--dark-bg);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
}

.copy-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: var(--secondary-color);
}

.code-example pre {
    background: var(--dark-card);
    color: #e2e8f0;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 0;
    font-family: 'Fira Code', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
}

.example-output {
    margin: 2rem 0;
}

.example-output h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.output-preview {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.lesson-navigation {
    display: flex;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .tutorial-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .tutorial-sidebar {
        position: static;
        order: 2;
    }
    
    .tutorials-grid {
        grid-template-columns: 1fr;
    }
    
    .page-hero h1 {
        font-size: 2rem;
    }
    
    .category-filters {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}