.survey-container {
            background: #212026;
            
            padding: 40px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            border-top: none;
        }
        
        .progress {
            margin-bottom: 30px;
        }
        
        .progress-text {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            color: #fff;
            margin-bottom: 8px;
        }
        
        .progress-bar {
            width: 100%;
            height: 4px;
            background: #e9ecef;
            border-radius: 2px;
            overflow: hidden;
        }
        
        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #19E68C, #10b870);
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        
        .question {
            display: none;
            animation: fadeIn 0.5s ease;
        }
        
        .question.active {
            display: block;
        }
        
        .question h2 {
            font-size: 24px;
            margin-bottom: 30px;
            color: #fff;
            font-weight: 600;
        }
        
        .answer-option {
          
            border-radius: 8px;
            margin-bottom: 12px;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .answer-option:hover {
            background: #e9ecef;
            border-color: #13d27f;
        }
        
        .answer-option.selected {
            background: #e7f3ff;
            border-color: #19E68C;
        }
        
        .answer-button {
            width: 100%;
  padding: 16px 20px;
  border: none;
  background: #19181d;
  text-align: left;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: inherit;
  display: flex;
  align-items: center;
            
        }
        
        .radio-icon {
            width: 20px;
            height: 20px;
            border: 2px solid #dee2e6;
            border-radius: 50%;
            margin-right: 16px;
            position: relative;
            transition: all 0.2s ease;
        }
        
        .answer-option.selected .radio-icon {
            border-color: #09E68C;
        }
        
        .answer-option.selected .radio-icon::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background: #19E68C;
            border-radius: 50%;
            top: -2px;
            right: -2px;
        }
        
        .navigation {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .navigation.show {
            opacity: 1;
        }
        
        .nav-button {
            padding: 12px 24px;
            border: 2px solid #19E68C;
            border-radius: 6px;
            background: rgba(85, 153, 51, 0.207);
            color: #19E68C;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .nav-button:hover {
            background: #19E68C;
            color: white;
        }
        
        .nav-button.primary {
            background: #19e68db2;
            color: white;
        }
        
        .nav-button.primary:hover {
            background: #14c377;
        }
        
        .nav-button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @media screen and (max-width: 480px) {
          .answer-button {
             font-size: 13px;
           }
    }