:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --secondary: #8b5cf6;
            --bg: #0f172a;
            --bg-card: #1e293b;
            --bg-hover: #334155;
            --text: #f1f5f9;
            --text-muted: #94a3b8;
            --border: #334155;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
        }

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

        /* Header */
        header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .logo-text {
            font-size: 24px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-tagline {
            font-size: 12px;
            color: var(--text-muted);
            margin-left: 8px;
        }

        .header-actions {
            display: flex;
            gap: 12px;
        }

        .btn {
            padding: 10px 20px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
        }

        .btn-secondary {
            background: var(--bg-hover);
            color: var(--text);
        }

        .btn-secondary:hover {
            background: #475569;
        }

        /* Hero */
        .hero {
            padding: 60px 0 20px;
            text-align: center;
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--primary), var(--secondary), #ec4899);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 30px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
        }

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

        /* Search & Filter */
        .search-section {
            padding: 30px 0;
        }

        .search-box {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
        }

        .sort-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            color: var(--text-muted);
        }

        .sort-select {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 14px;
            padding: 12px 4px 12px 0;
            cursor: pointer;
        }

        .sort-select:focus {
            outline: none;
        }

        .search-input-wrapper {
            flex: 1;
            position: relative;
        }

        .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
        }

        .search-input {
            width: 100%;
            padding: 14px 16px 14px 44px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            color: var(--text);
            font-size: 16px;
            transition: all 0.2s;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
        }

        .category-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .category-tab {
            padding: 8px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.2s;
            font-size: 14px;
        }

        .category-tab:hover {
            background: var(--bg-hover);
        }

        .category-tab.active {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-color: transparent;
            color: white;
        }

        /* Tools Grid */
        .tools-section {
            padding: 30px 0 70px;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
        }

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

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }


        .tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .tool-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .tool-header {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 16px;
        }

        .tool-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }

        .tool-info {
            flex: 1;
            min-width: 0;
        }

        .tool-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .tool-category {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .tool-updated {
            font-size: 12px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 6px;
        }

        .tool-updated i {
            font-size: 12px;
        }

        .tool-description {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.5;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .tool-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .tool-clicks {
            font-size: 12px;
            color: var(--text-muted);
            display: inline-flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 6px;
        }

        .tool-meta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .tool-clicks span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .tool-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .tool-tag {
            font-size: 11px;
            padding: 4px 8px;
            background: var(--bg-hover);
            border-radius: 4px;
            color: var(--text-muted);
        }

        .tool-arrow {
            color: var(--primary);
            opacity: 0;
            transition: opacity 0.2s;
        }

        .tool-card:hover .tool-arrow {
            opacity: 1;
        }

        /* Featured Badge */
        .featured-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            color: white;
            font-size: 10px;
            font-weight: 600;
            padding: 4px 8px;
            border-radius: 12px;
        }

        .tool-card {
            position: relative;
        }

        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
        }

        .empty-icon {
            font-size: 64px;
            margin-bottom: 20px;
            opacity: 0.5;
        }

        /* Footer */
        footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            padding: 40px 0;
            margin-top: 60px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .footer-section h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-section p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 14px;
        }

        /* Loading */
        .loading {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 32px;
            }

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

            .stats {
                gap: 20px;
            }
        }