.csb-survey-form {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.csb-survey-title {
    margin-top: 0;
    margin-bottom: 20px;
    color: #1e1e1e;
    font-size: 28px;
}

.csb-survey-intro {
    margin-bottom: 30px;
    padding: 15px;
    background: #f9f9f9;
    border-left: 4px solid #0073aa;
    border-radius: 4px;
    line-height: 1.6;
}

.csb-question {
    margin-bottom: 25px;
    padding: 20px;
    background: #fafafa;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
}

.csb-question-label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
    font-size: 16px;
}

.csb-required {
    color: #dc3232;
    margin-left: 4px;
}

.csb-input,
.csb-textarea,
.csb-select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    margin-top: 8px;
}

.csb-input:focus,
.csb-textarea:focus,
.csb-select:focus {
    border-color: #0073aa;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 115, 170, 0.2);
}

.csb-textarea {
    resize: vertical;
    min-height: 100px;
}

.csb-radio-group,
.csb-checkbox-group {
    margin-top: 10px;
}

.csb-radio-label,
.csb-checkbox-label {
    display: block;
    margin-bottom: 8px;
    cursor: pointer;
    font-weight: normal;
}

.csb-radio-label input,
.csb-checkbox-label input {
    margin-right: 8px;
    vertical-align: middle;
}

.csb-help-text {
    display: block;
    margin-top: 6px;
    color: #666;
    font-size: 13px;
    font-style: italic;
}

.csb-submit-container {
    margin-top: 30px;
    text-align: center;
}

.csb-submit-btn {
    background: #0073aa;
    color: #fff;
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.csb-submit-btn:hover {
    background: #005a87;
}

.csb-message {
    padding: 15px;
    margin-top: 20px;
    border-radius: 4px;
    text-align: center;
}

.csb-success-message {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.csb-error-message {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.csb-error {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 4px;
    margin: 20px;
}