:root {
            --bg-primary: #0a0a0f;
            --bg-secondary: #111118;
            --bg-tertiary: #1a1a24;
            --accent-primary: #7c5cff;
            --accent-secondary: #a78bfa;
            --accent-pink: #ec4899;
            --accent-cyan: #06b6d4;
            --text-primary: #ffffff;
            --text-secondary: #a1a1aa;
            --text-muted: #71717a;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --glow-purple: rgba(124, 92, 255, 0.4);
            --glow-pink: rgba(236, 72, 153, 0.3);
            --nav-bg: rgba(10, 10, 15, 0.8);
            --shadow: rgba(0, 0, 0, 0.5);
        }

        [data-theme="light"] {
            --bg-primary: #ffffff;
            --bg-secondary: #f8f9fa;
            --bg-tertiary: #f1f3f5;
            --text-primary: #1a1a2e;
            --text-secondary: #4a5568;
            --text-muted: #718096;
            --border-subtle: rgba(0, 0, 0, 0.1);
            --glow-purple: rgba(124, 92, 255, 0.3);
            --glow-pink: rgba(236, 72, 153, 0.2);
            --nav-bg: rgba(255, 255, 255, 0.95);
            --shadow: rgba(0, 0, 0, 0.1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Hero Section */
        .tutorial-hero {
            padding: 160px 0 80px;
            text-align: center;
            position: relative;
        }

        .tutorial-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 500px;
            background: radial-gradient(ellipse at center top, rgba(124, 92, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .tutorial-label {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(124, 92, 255, 0.1);
            border: 1px solid rgba(124, 92, 255, 0.2);
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            line-height: 1;
            color: var(--accent-primary);
            margin-bottom: 24px;
        }

        .tutorial-label svg,
        .tutorial-label i {
            display: block;
            flex-shrink: 0;
        }

        .tutorial-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: clamp(36px, 6vw, 56px);
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .tutorial-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Tutorial Content */
        .tutorial-content {
            padding: 40px 0 100px;
        }

        .tutorial-section {
            margin-bottom: 60px;
        }

        .tutorial-section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .tutorial-section-title .step-number {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Step Card */
        .step-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 32px;
            margin-bottom: 24px;
        }

        [data-theme="light"] .step-card {
            background: white;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }

        .step-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-pink));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .step-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 20px;
            font-weight: 600;
        }

        .step-desc {
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        /* Code Block */
        .code-block {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 20px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 14px;
            overflow-x: auto;
            position: relative;
        }

        [data-theme="light"] .code-block {
            background: #f8f9fa;
            border-color: rgba(0, 0, 0, 0.1);
        }

        .code-block code {
            color: var(--text-primary);
            line-height: 1.6;
        }

        .code-comment {
            color: var(--text-muted);
        }

        .code-keyword {
            color: var(--accent-primary);
        }

        .code-string {
            color: var(--accent-cyan);
        }

        /* Tips Box */
        .tips-box {
            background: rgba(6, 182, 212, 0.1);
            border: 1px solid rgba(6, 182, 212, 0.2);
            border-radius: 12px;
            padding: 20px;
            margin-top: 20px;
        }

        .tips-box.warning {
            background: rgba(251, 191, 36, 0.1);
            border-color: rgba(251, 191, 36, 0.2);
        }

        .tips-box-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--accent-cyan);
        }

        .tips-box.warning .tips-box-title {
            color: #fbbf24;
        }

        .tips-box p {
            color: var(--text-secondary);
            font-size: 14px;
        }

        /* Feature List */
        .feature-list {
            display: grid;
            gap: 16px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px;
            background: var(--bg-tertiary);
            border-radius: 12px;
        }

        [data-theme="light"] .feature-item {
            background: #f8f9fa;
        }

        .feature-item i {
            color: var(--accent-primary);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .feature-item span {
            color: var(--text-secondary);
        }

        /* Comparison Table */
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-secondary);
            border-radius: 16px;
            overflow: hidden;
        }

        [data-theme="light"] .comparison-table {
            background: white;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }

        .comparison-table th,
        .comparison-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
        }

        .comparison-table th {
            background: var(--bg-tertiary);
            font-weight: 600;
            font-size: 14px;
            color: var(--text-primary);
        }

        [data-theme="light"] .comparison-table th {
            background: #f8f9fa;
        }

        .comparison-table td {
            color: var(--text-secondary);
            font-size: 14px;
        }

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

        .check-icon {
            color: var(--accent-primary);
        }

        /* Footer */
        .footer {
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0;
            text-align: center;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 32px;
            margin-bottom: 20px;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--accent-primary);
        }

        .footer-copy {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* Mobile Responsive */
        @media (max-width: 768px) {

            .tutorial-hero {
                padding: 120px 0 60px;
            }

            .step-card {
                padding: 24px;
            }

            .comparison-table {
                font-size: 13px;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 12px;
            }
        }

.tutorial-overview-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
    margin-top: 36px;
}

.tutorial-overview-item {
    padding: 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    text-align: left;
}

[data-theme="light"] .tutorial-overview-item {
    background: #ffffff;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
}

.tutorial-overview-item strong {
    display: block;
    margin-bottom: 6px;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--text-primary);
}

.tutorial-overview-item span {
    color: var(--text-secondary);
    font-size: 13px;
}

.tutorial-image-card {
    margin-top: 24px;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    overflow: hidden;
}

[data-theme="light"] .tutorial-image-card {
    background: #f8f9fa;
}

.tutorial-screenshot {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.tutorial-step-list {
    display: grid;
    gap: 12px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.tutorial-step-list li {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    color: var(--text-secondary);
}

[data-theme="light"] .tutorial-step-list li {
    background: #f8f9fa;
}

.tutorial-step-list li::before {
    content: '•';
    color: var(--accent-primary);
    font-weight: 800;
}

.tutorial-faq {
    margin-top: 48px;
}

.tutorial-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.tutorial-faq-item {
    padding: 22px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
}

[data-theme="light"] .tutorial-faq-item {
    background: #ffffff;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
}

.tutorial-faq-item h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 17px;
    color: var(--text-primary);
}

.tutorial-faq-item h3 svg,
.tutorial-faq-item h3 i {
    display: block;
    flex-shrink: 0;
    color: var(--accent-primary);
}

.tutorial-faq-item p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}


.tutorial-final-card {
    padding: 28px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.14), rgba(236, 72, 153, 0.12));
    border: 1px solid rgba(124, 92, 255, 0.22);
    text-align: center;
}

.tutorial-final-card h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 28px;
    margin-bottom: 10px;
}

.tutorial-final-card p {
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .tutorial-overview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .tutorial-overview-grid {
        grid-template-columns: 1fr;
    }

    .tutorial-image-card {
        padding: 8px;
        border-radius: 14px;
    }
}