        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #333;
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        header {
            text-align: center;
            color: white;
            margin-bottom: 40px;
            padding: 40px 20px;
        }

        h1 {
            font-size: 3em;
            margin-bottom: 15px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }

        .tagline {
            font-size: 1.3em;
            opacity: 0.95;
        }

        .search-section {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            margin-bottom: 40px;
        }

        .search-box {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
        }

        input[type="text"] {
            flex: 1;
            padding: 18px 25px;
            font-size: 1.1em;
            border: 2px solid #e0e0e0;
            border-radius: 50px;
            outline: none;
            transition: all 0.3s;
        }

        input[type="text"]:focus {
            border-color: #4b4b4b;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        button {
            padding: 18px 40px;
            font-size: 1.1em;
            background: #333;
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(67, 67, 67, 0.4);
        }

        button:active {
            transform: translateY(0);
        }

        .filters {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-bottom: 25px;
        }

        select {
            padding: 12px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 25px;
            font-size: 1em;
            background: white;
            cursor: pointer;
            outline: none;
            transition: border-color 0.3s;
        }

        select:focus {
            border-color: #373737;
        }

        .categories {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 15px;
            margin-top: 25px;
        }

        .category-btn {
            padding: 12px 20px;
            background: #f5f5f5;
            border: 2px solid #e0e0e0;
            color: black;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.95em;
            font-weight: 500;
        }

        .category-btn:hover {
            background: #424242;
            color: white;
            border-color: #525252;
            transform: translateY(-2px);
        }

        .results {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            min-height: 200px;
            display: none;
        }

        .results.active {
            display: block;
        }

        .loading {
            text-align: center;
            padding: 40px;
            color: #666;
            font-size: 1.1em;
        }

        .popular-sites {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            margin-top: 30px;
        }

        .popular-sites h2 {
            color: #333;
            margin-bottom: 25px;
            font-size: 1.8em;
        }

        .sites-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .site-card {
            padding: 20px;
            background: #333;
            color: white;
            border-radius: 15px;
            text-align: center;
            text-decoration: none;
            transition: transform 0.3s;
        }

        .site-card:hover {
            transform: scale(1.05);
        }

        .site-name {
            font-size: 1.3em;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .site-desc {
            font-size: 0.9em;
            opacity: 0.9;
        }

        .favorites-section {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            margin-top: 30px;
        }

        .favorites-section h2 {
            color: #333;
            margin-bottom: 20px;
            font-size: 1.8em;
        }

        .favorite-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            background: #f9f9f9;
            border-radius: 12px;
            margin-bottom: 10px;
            transition: all 0.3s;
        }

        .favorite-item:hover {
            background: #f0f0f0;
            transform: translateX(5px);
        }

        .favorite-name {
            color: #333;
            font-weight: 500;
        }

        .remove-btn {
            background: #ff6b6b;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 20px;
            cursor: pointer;
            font-size: 0.9em;
            transition: all 0.3s;
        }

        .remove-btn:hover {
            background: #ff5252;
            transform: scale(1.05);
        }

        .recipe-of-day {
            background: #1f1f1f;
            border-radius: 20px;
            padding: 40px;
            color: white;
            margin-bottom: 30px;
            box-shadow: 0 10px 40px rgba(9, 9, 9, 0.2);
            text-align: center;
        }

        .recipe-of-day h2 {
            font-size: 2em;
            margin-bottom: 15px;
        }

        .recipe-of-day p {
            font-size: 1.2em;
            margin-bottom: 20px;
            opacity: 0.95;
        }

        .tips-section {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            margin-top: 30px;
        }

        .tips-section h2 {
            color: #333;
            margin-bottom: 25px;
            font-size: 1.8em;
        }

        .tip-card {
            background: #f9f9f9;
            padding: 20px;
            border-radius: 15px;
            margin-bottom: 15px;
            border-left: 4px solid #4d4d4d;
        }

        .tip-card h3 {
            color: #000000;
            margin-bottom: 8px;
        }

        .tip-card p {
            color: #666;
            line-height: 1.6;
        }

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.6);
            animation: fadeIn 0.3s;
        }

        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background: white;
            border-radius: 20px;
            padding: 40px;
            max-width: 600px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            animation: slideIn 0.3s;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .close-btn {
            position: absolute;
            top: 15px;
            right: 20px;
            font-size: 2em;
            color: #999;
            cursor: pointer;
            background: none;
            border: none;
            padding: 0;
            width: 40px;
            height: 40px;
            line-height: 40px;
            transition: color 0.3s;
        }

        .close-btn:hover {
            color: #333;
            transform: none;
        }

        .modal h2 {
            color: #333;
            margin-bottom: 25px;
            font-size: 2em;
        }

        .step {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
            padding: 20px;
            background: #f9f9f9;
            border-radius: 15px;
            border-left: 4px solid #303030;
        }

        .step-number {
            background: #333;
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2em;
            margin-right: 20px;
            flex-shrink: 0;
        }

        .step-content h3 {
            color: #333;
            margin-bottom: 8px;
            font-size: 1.2em;
        }

        .step-content p {
            color: #666;
            line-height: 1.6;
        }

        .help-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #333;
            color: white;
            border: none;
            font-size: 1.5em;
            cursor: pointer;
            box-shadow: 0 5px 20px rgba(110, 110, 110, 0.4);
            transition: transform 0.3s;
            z-index: 999;
        }

        .help-btn:hover {
            transform: scale(1.1);
        }

        .save-favorite-btn {
            background: #ff6b6b;
            padding: 10px 20px;
            border-radius: 20px;
            margin-left: 10px;
            font-size: 0.9em;
        }

        .empty-favorites {
            text-align: center;
            padding: 30px;
            color: #999;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideIn {
            from {
                transform: translateY(-50px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            h1 {
                font-size: 2em;
            }

            .tagline {
                font-size: 1em;
            }

            .search-section, .popular-sites, .results, .favorites-section, .tips-section, .recipe-of-day {
                padding: 25px;
            }

            .search-box {
                flex-direction: column;
            }

            button {
                width: 100%;
                padding: 15px;
            }

            .categories {
                grid-template-columns: repeat(2, 1fr);
            }

            .sites-grid {
                grid-template-columns: 1fr;
            }

            .filters {
                grid-template-columns: 1fr;
            }

            .modal-content {
                padding: 30px 20px;
                width: 95%;
            }

            .modal h2 {
                font-size: 1.5em;
                padding-right: 40px;
            }

            .step {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .step-number {
                margin-right: 0;
                margin-bottom: 15px;
            }

            .help-btn {
                bottom: 20px;
                right: 20px;
                width: 50px;
                height: 50px;
                font-size: 1.2em;
            }

            .favorite-item {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            header {
                padding: 30px 10px;
            }

            h1 {
                font-size: 1.8em;
            }

            .search-section, .popular-sites, .results, .favorites-section, .tips-section, .recipe-of-day {
                padding: 20px;
            }

            input[type="text"] {
                font-size: 1em;
                padding: 15px 20px;
            }

            .categories {
                grid-template-columns: 1fr;
            }

            .category-btn {
                padding: 15px;
            }
        }