        :root {
            --primary-color: #6366f1;
            --primary-dark: #4f46e5;
            --secondary-color: #f8fafc;
            --text-primary: #1e293b;
            --text-secondary: #64748b;
            --border-color: #e2e8f0;
            --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
            --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

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

        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
        }

        .logo::before {
            content: "🛠️";
            font-size: 1.25rem;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            cursor: pointer;
        }

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

        main {
            padding: 3rem 0;
        }

        .hero {
            text-align: center;
            margin-bottom: 4rem;
            color: white;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1rem;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .hero p {
            font-size: 1.25rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        .search-container {
            max-width: 500px;
            margin: 2rem auto;
            position: relative;
        }

        .search-input {
            width: 100%;
            padding: 1rem 1rem 1rem 3rem;
            border: none;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            font-size: 1rem;
            box-shadow: var(--shadow-medium);
            transition: all 0.3s ease;
        }

        .search-input:focus {
            outline: none;
            box-shadow: var(--shadow-large);
            transform: translateY(-2px);
        }

        .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
            font-size: 1.2rem;
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .tool-card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: var(--shadow-large);
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

        .tool-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
        }

        .tool-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }

        .tool-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .tool-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .tool-card p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
        }

        .tool-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .tool-link:hover {
            color: var(--primary-dark);
            gap: 0.75rem;
        }

        .tool-status {
            position: absolute;
            top: 1rem;
            right: 1rem;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .status-active {
            background: #ecfdf5;
            color: #059669;
        }

        .status-beta {
            background: #fef3c7;
            color: #d97706;
        }

        .status-coming-soon {
            background: #f1f5f9;
            color: var(--text-secondary);
        }

        .add-tool-card {
            background: linear-gradient(135deg, #f8fafc, #e2e8f0);
            border: 2px dashed var(--border-color);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            min-height: 200px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .add-tool-card:hover {
            border-color: var(--primary-color);
            background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
        }

        .add-tool-card .icon {
            font-size: 2rem;
            margin-bottom: 1rem;
            opacity: 0.5;
        }

        .no-tools {
            text-align: center;
            color: white;
            opacity: 0.8;
            font-size: 1.1rem;
            margin: 3rem 0;
        }

        .loading {
            text-align: center;
            color: white;
            font-size: 1.1rem;
            margin: 3rem 0;
        }

        .error {
            background: #fef2f2;
            color: #dc2626;
            padding: 1rem;
            border-radius: 8px;
            margin: 2rem 0;
            text-align: center;
        }

        footer {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--border-color);
            padding: 2rem 0;
            text-align: center;
            color: var(--text-secondary);
        }

        .tool-view {
            display: none;
            background: white;
            border-radius: 12px;
            box-shadow: var(--shadow-large);
            margin: 2rem 0;
            overflow: hidden;
        }

        .tool-view.active {
            display: block;
        }

        .tool-header {
            background: var(--primary-color);
            color: white;
            padding: 1.5rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .back-button {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .back-button:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        .tool-content {
            padding: 2rem;
            min-height: 400px;
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .tools-grid {
                grid-template-columns: 1fr;
            }
        }