:root {
            --bg-color: #050608;
            --grid-color: rgba(255, 255, 255, 0.02);
            --card-bg: rgba(13, 16, 23, 0.65);
            --card-border: rgba(255, 255, 255, 0.06);
            --card-border-hover: rgba(255, 176, 0, 0.3);
            --text-color: #e2e8f0;
            --text-muted: #6b7c93;
            --color-amber: #ffb000;
            --transition-speed: 0.3s;
        }

        body {
            font-family: 'Outfit', sans-serif;
            background-color: var(--bg-color);
            background-image:
                radial-gradient(var(--grid-color) 1px, transparent 1px),
                radial-gradient(var(--grid-color) 1px, transparent 1px);
            background-size: 40px 40px;
            background-position: 0 0, 20px 20px;
            color: var(--text-color);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 4rem 2rem;
        }

        .bg-glow {
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 650px;
            height: 650px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 176, 0, 0.04) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
            filter: blur(50px);
        }

        header {
            text-align: center;
            max-width: 800px;
            margin-bottom: 4rem;
        }

        header h1 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, #ffffff 40%, var(--color-amber) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .tags-container {
            width: 100%;
            max-width: 900px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.5rem;
        }

        .tag-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 1.5rem;
            backdrop-filter: blur(16px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            transition: all var(--transition-speed) ease;
        }

        .tag-card:hover {
            border-color: var(--card-border-hover);
            transform: translateY(-2px);
        }

        .tag-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--color-amber);
        }

        .tag-link {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-speed) ease;
        }

        .tag-link:hover {
            color: #ffffff;
        }

        .tag-subtopics {
            list-style: none;
            padding-left: 0;
            font-size: 0.85rem;
        }

        .tag-subtopics li {
            margin-bottom: 6px;
            position: relative;
            padding-left: 12px;
        }

        .tag-subtopics li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--text-muted);
        }

        .subtopic-tag-link {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition-speed) ease;
        }

        .subtopic-tag-link:hover {
            color: var(--text-color);
        }

        footer {
            margin-top: 6rem;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }