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

        body {
            font-family: system-ui, -apple-system, sans-serif;
            background: #f5f5f5;
            padding: 20px;
            line-height: 1.6;
        }

        .container {
            max-width: 700px;
            margin: 0 auto;
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        h1 {
            margin-bottom: 10px;
            color: #333;
        }

        .subtitle {
            color: #666;
            margin-bottom: 30px;
            font-size: 14px;
        }

        .question {
            margin-bottom: 30px;
        }

        .question-number {
            color: #888;
            font-size: 14px;
            margin-bottom: 5px;
        }

        label {
            display: block;
            margin-bottom: 10px;
            color: #333;
            font-weight: 500;
        }

        input[type="radio"] {
            margin-right: 8px;
        }

        .radio-option {
            margin-bottom: 8px;
        }

        textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: inherit;
            font-size: 14px;
            resize: vertical;
            min-height: 100px;
        }

        textarea:focus {
            outline: none;
            border-color: #666;
        }

        select {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: inherit;
            font-size: 14px;
            background: white;
        }

        select:focus {
            outline: none;
            border-color: #666;
        }

        button {
            width: 100%;
            padding: 15px;
            background: #333;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
            margin-top: 20px;
        }

        button:hover {
            background: #555;
        }

        .warning {
            background: #fff3cd;
            padding: 15px;
            border-radius: 4px;
            margin-bottom: 30px;
            border-left: 4px solid #ffc107;
            font-size: 14px;
        }

        .required {
            color: #d32f2f;
        }