:root {
            --primary-color: #6366f1;
            --secondary-color: #8b5cf6;
            --accent-color: #ec4899;
            --dark-bg: #0f172a;
            --card-bg: #1e293b;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --success-color: #10b981;
            --warning-color: #f59e0b;
            --border-color: #334155;
            --code-bg: #0d1117;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1f3a 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }

        header {
            background: rgba(30, 41, 59, 0.8);
            backdrop-filter: blur(10px);
            padding: 2rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 2px solid var(--primary-color);
            box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2);
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        h1 {
            font-size: 2.5rem;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
            animation: fadeInDown 0.8s ease;
        }

        .tagline {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }

        .search-container {
            margin: 1.5rem 0;
            position: relative;
        }

        .search-input {
            width: 100%;
            padding: 1rem 1.5rem;
            background: var(--card-bg);
            border: 2px solid var(--border-color);
            border-radius: 12px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
        }

        .filters {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 1.5rem;
        }

        .filter-btn {
            padding: 0.6rem 1.2rem;
            background: var(--card-bg);
            border: 2px solid var(--border-color);
            border-radius: 25px;
            color: var(--text-primary);
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
            font-weight: 500;
        }

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

        .filter-btn.active {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-color: var(--primary-color);
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
        }

        main {
            max-width: 1200px;
            margin: 3rem auto;
            padding: 0 2rem;
        }

        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 2rem;
            animation: fadeIn 1s ease;
        }

        .blog-card {
            background: var(--card-bg);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .blog-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 40px rgba(99, 102, 241, 0.3);
            border-color: var(--primary-color);
        }

        .blog-header {
            padding: 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }

        .blog-date {
            color: var(--text-secondary);
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .blog-title {
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .blog-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tag {
            padding: 0.3rem 0.8rem;
            background: rgba(99, 102, 241, 0.2);
            border-radius: 15px;
            font-size: 0.75rem;
            color: var(--primary-color);
            border: 1px solid rgba(99, 102, 241, 0.3);
        }

        .blog-content {
            padding: 1.5rem;
            flex-grow: 1;
        }

        .blog-excerpt {
            color: var(--text-secondary);
            margin-bottom: 1rem;
            line-height: 1.7;
        }

        .learning-section {
            background: rgba(99, 102, 241, 0.1);
            border-left: 4px solid var(--primary-color);
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 8px;
        }

        .learning-section h4 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }

        .code-snippet {
            background: var(--code-bg);
            padding: 1rem;
            border-radius: 8px;
            overflow-x: auto;
            margin: 1rem 0;
            border: 1px solid var(--border-color);
        }

        .code-snippet code {
            color: #7dd3fc;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .blog-footer {
            padding: 1rem 1.5rem;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .toggle-comments {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 0.6rem 1.2rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .toggle-comments:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
        }

        .comments-section {
            display: none;
            padding: 1.5rem;
            background: rgba(15, 23, 42, 0.5);
            border-top: 1px solid var(--border-color);
        }

        .comments-section.show {
            display: block;
            animation: slideDown 0.3s ease;
        }

        .comment {
            padding: 1rem;
            background: var(--card-bg);
            border-radius: 8px;
            margin-bottom: 1rem;
            border-left: 3px solid var(--primary-color);
        }

        .comment-author {
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 0.3rem;
        }

        .comment-text {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .no-results {
            text-align: center;
            padding: 4rem 2rem;
            color: var(--text-secondary);
            display: none;
        }

        .no-results.show {
            display: block;
        }

        footer {
            text-align: center;
            padding: 2rem;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-color);
            margin-top: 4rem;
        }

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

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                max-height: 0;
            }
            to {
                opacity: 1;
                max-height: 1000px;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }

            .blog-grid {
                grid-template-columns: 1fr;
            }

            .filters {
                justify-content: center;
            }

            .header-content {
                padding: 0 1rem;
            }

            main {
                padding: 0 1rem;
            }
        }