* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
            min-height: 100vh;
            padding: 40px 20px;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
        }
        h1 {
            text-align: center;
            color: #333;
            margin-bottom: 30px;
            font-size: 2em;
        }
        label {
            display: block;
            margin: 20px 0 8px;
            color: #555;
            font-weight: 600;
        }
        textarea {
            width: 100%;
            min-height: 120px;
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 14px;
            font-family: 'Courier New', monospace;
            resize: vertical;
            transition: border-color 0.3s;
        }
        textarea:focus {
            outline: none;
            border-color: #a8edea;
        }
        .button-group {
            display: flex;
            gap: 10px;
            margin: 20px 0;
            flex-wrap: wrap;
        }
        button {
            flex: 1;
            min-width: 150px;
            padding: 14px;
            background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
            color: #333;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s;
        }
        button:hover {
            transform: translateY(-2px);
        }
        button.secondary {
            background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
            color: white;
        }
        .info {
            background: #e7f3ff;
            border-left: 4px solid #2196F3;
            padding: 15px;
            margin: 20px 0;
            border-radius: 4px;
            font-size: 14px;
        }