:root {
            --primary-color: #4ECDC4;
            --secondary-color: #FF6B6B;
            --bg-color: #F7F9FC;
            --card-bg: #FFFFFF;
            --text-color: #2C3E50;
            --text-light: #7F8C8D;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.1);
        }

        [data-theme="dark"] {
            --bg-color: #1a1a1a;
            --card-bg: #2d2d2d;
            --text-color: #e0e0e0;
            --text-light: #b0b0b0;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.4);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
            transition: all 0.3s ease;
        }

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

        header {
            background-color: var(--card-bg);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        nav {
            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;
        }

        .nav-controls {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .theme-toggle {
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .theme-toggle:hover {
            background-color: var(--bg-color);
        }

        .hero {
            text-align: center;
            padding: 4rem 0;
        }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--text-color);
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .apps-section {
            padding: 1.5rem 0 2rem;
        }

        .section-title {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            color: var(--text-color);
        }

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

        .app-card {
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            position: relative;
        }

        .app-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .app-thumbnail {
            height: 200px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .app-thumbnail i {
            font-size: 4rem;
            color: white;
            opacity: 0.9;
        }

        .app-content {
            padding: 1.5rem;
        }

        .app-title {
            font-size: 1.25rem;
            margin-bottom: 0.5rem;
            color: var(--text-color);
        }

        .app-description {
            color: var(--text-light);
            margin-bottom: 1.5rem;
        }

        .app-actions {
            display: flex;
            gap: 1rem;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: inherit;
        }

        .btn i {
            font-size: 1rem;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }

        .btn-primary:hover {
            background-color: #45b7b8;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text-light);
            border: 1px solid var(--text-light);
        }

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

        footer {
            background-color: var(--card-bg);
            padding: 2rem 0;
            margin-top: 4rem;
            border-top: 1px solid var(--bg-color);
        }

        .footer-content {
            text-align: center;
            color: var(--text-light);
        }

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

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

            nav {
                flex-direction: column;
                gap: 1rem;
            }
        }

        .search-bar {
            width: 100%;
            max-width: 400px;
            margin: 0 auto 2rem;
            padding: 1rem;
            border: 1px solid var(--text-light);
            border-radius: 8px;
            background-color: var(--card-bg);
            color: var(--text-color);
            font-size: 1rem;
        }