/* Extracted from resources/views/share/category.blade.php (block 1) */
:root {
            --primary: #4facfe;
            --primary-dark: #00f2fe;
            --bg-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            --card-bg: white;
            --text-main: #1e293b;
            --text-muted: #64748b;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f8fafc;
            min-height: 100vh;
            color: var(--text-main);
        }

        .header {
            background: var(--bg-gradient);
            padding: 60px 20px;
            text-align: center;
            color: white;
            margin-bottom: 40px;
        }

        .header h1 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .header p {
            opacity: 0.9;
            font-size: 16px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px 60px;
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .bookmark-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: transform 0.2s, box-shadow 0.2s;
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
        }

        .bookmark-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        .preview {
            width: 100%;
            aspect-ratio: 16/9;
            background: #e2e8f0;
            position: relative;
        }

        .preview img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .placeholder {
            width: 100%;
            height: 100%;
            background: var(--bg-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            font-weight: bold;
        }

        .content {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .description {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 16px;
            flex: 1;
        }

        .footer-info {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .footer a {
            color: var(--primary);
            font-weight: 700;
            text-decoration: none;
        }