.tutorials-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    margin-top: 70px;
}

.tutorials-hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

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

.tutorials-hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.tutorials-section {
    padding: 4rem 0;
    background: var(--bg-primary);
}

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

.tutorial-detail-section {
    padding: 8rem 0 4rem;
    background: var(--bg-primary);
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

.tutorial-detail-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    position: relative;
}

.tutorial-sidebar {
    position: sticky;
    top: 90px;
    height: fit-content;
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-nav-item {
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.95rem;
    border-left: 3px solid transparent;
    cursor: pointer;
}

.sidebar-nav-item:hover {
    background: var(--bg-primary);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.sidebar-nav-item.active {
    background: var(--primary-color);
    color: white;
    border-left-color: var(--primary-color);
    font-weight: 500;
}

.tutorial-main {
    min-width: 0;
}

.tutorial-content-wrapper {
    max-width: 900px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb i {
    font-size: 0.7rem;
    opacity: 0.6;
}

.tutorial-header {
    margin-bottom: 2rem;
}

.tutorial-badges-header {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.tutorial-detail-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.tutorial-detail-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.tutorial-detail-image {
    margin: 2rem 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.tutorial-detail-image img {
    width: 100%;
    height: auto;
    display: block;
}

.tutorial-article {
    margin-top: 3rem;
}

.tutorial-content-step {
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
    scroll-margin-top: 100px;
}

.tutorial-content-step:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.step-heading {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    white-space: pre-line;
}

.step-content code {
    background: var(--bg-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--primary-color);
}

.step-content ul,
.step-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.step-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.step-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.step-image {
    margin: 1.5rem 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.step-image img {
    width: 100%;
    height: auto;
    display: block;
}

.step-inline-image {
    margin: 1.5rem 0;
    text-align: center;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.step-inline-image img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

[data-theme="dark"] .step-inline-image {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.code-block-wrapper {
    margin: 1.5rem 0;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-color);
}

.code-language {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.copy-code-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.copy-code-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

.copy-code-btn i {
    font-size: 0.9rem;
}

.code-block {
    margin: 0;
    padding: 1.5rem;
    background: var(--bg-secondary);
    overflow-x: auto;
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.code-block code {
    background: transparent;
    padding: 0;
    border-radius: 0;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    white-space: pre;
    word-wrap: normal;
}

.inline-code {
    background: var(--bg-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.code-block .language-lua,
.code-block .language-javascript,
.code-block .language-js {
    color: #f8f8f2;
}

.code-block .language-bash,
.code-block .language-shell,
.code-block .language-sh {
    color: #50fa7b;
}

.code-block .language-text {
    color: var(--text-primary);
}

[data-theme="dark"] .code-block-wrapper {
    background: var(--bg-dark);
    border-color: var(--border-color);
}

[data-theme="dark"] .code-block-header {
    background: #0a0a0a;
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .code-block {
    background: var(--bg-dark);
    color: #e0e0e0;
}

[data-theme="dark"] .inline-code {
    background: var(--bg-dark);
    border-color: var(--border-color);
    color: #7dd3fc;
}

@media (max-width: 768px) {
    .code-block {
        padding: 1rem;
        font-size: 0.85rem;
    }
    
    .code-block-header {
        padding: 0.5rem 0.75rem;
    }
    
    .copy-code-btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .copy-code-btn .copy-text {
        display: none;
    }
}

.tutorial-navigation {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .tutorial-sidebar {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .sidebar-header {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .tutorial-content-step {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .tutorial-navigation {
    border-top-color: var(--border-color);
}

[data-theme="dark"] .step-content code {
    background: var(--bg-dark);
}

@media (max-width: 1024px) {
    .tutorial-detail-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .tutorial-sidebar {
        position: relative;
        top: 0;
        margin-bottom: 2rem;
    }

    .sidebar-toggle {
        display: block;
    }

    .sidebar-nav {
        display: none;
        margin-top: 1rem;
    }

    .sidebar-nav.active {
        display: flex;
    }
}

@media (max-width: 768px) {
    .tutorials-hero-title {
        font-size: 2rem;
    }

    .tutorial-detail-title {
        font-size: 1.8rem;
    }

    .step-heading {
        font-size: 1.5rem;
    }

    .tutorial-detail-container {
        padding: 0 1rem;
    }

    .tutorial-badges-header {
        gap: 0.5rem;
    }

    .breadcrumb {
        font-size: 0.8rem;
    }
}