:root {
            --main-bg-color: #f5f7f9;
            --header-bg-color: #2c3e50;
            --card-bg-color: #ffffff;
            --alternative-color: #e74c3c;
            --mainstream-color: #3498db;
            --border-color: #ddd;
            --text-color: #333;
            --shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        * {
           /* margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;*/
        }
        
        body {
         /*   background-color: var(--main-bg-color);
            color: var(--text-color);
            line-height: 1.6;*/
        }
        
        header {
           /* background-color: var(--header-bg-color);
            color: white;
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);*/
        }
        
        h1 {
            margin-bottom: 0.5rem;
        }
        
        .container {
            /*max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;*/
        }
        
        .intro {
            background-color: var(--card-bg-color);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        
        .input-section {
            background-color: var(--card-bg-color);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        
        textarea {
            width: 100%;
            min-height: 120px;
            padding: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            resize: vertical;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        
        button {
            background-color: var(--header-bg-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s;
        }
        
        button:hover {
            background-color: #1a2530;
        }
        
        .results {
            display: flex;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        
        .column {
            flex: 1;
            min-width: 300px;
            background-color: var(--card-bg-color);
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        
        .alternative {
            border-top: 4px solid var(--alternative-color);
        }
        
        .mainstream {
            border-top: 4px solid var(--mainstream-color);
        }
        
        .column-header {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        
        .color-indicator {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            margin-right: 10px;
        }
        
        .alternative .color-indicator {
            background-color: var(--alternative-color);
        }
        
        .mainstream .color-indicator {
            background-color: var(--mainstream-color);
        }
        
        .response {
            min-height: 200px;
            line-height: 1.6;
        }
        
        .loading {
            display: none;
            text-align: center;
            margin: 2rem 0;
        }
        
        .spinner {
            border: 4px solid rgba(0, 0, 0, 0.1);
            border-left: 4px solid var(--header-bg-color);
            border-radius: 50%;
            width: 30px;
            height: 30px;
            animation: spin 1s linear infinite;
            margin: 0 auto;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        footer {
            text-align: center;
            padding: 1.5rem;
            margin-top: 2rem;
            background-color: var(--header-bg-color);
            color: white;
        }
        
        @media (max-width: 768px) {
            .results {
                flex-direction: column;
            }
        }