body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #fafafa;
    color: #222;
}

.site-header {
    background-color: #2d2d6b;
    color: #fff;
    padding: 1rem 1.5rem;
}

.site-header h1 {
    margin: 0;
    font-size: 1.4rem;
}

.site-main {
    padding: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
}

.site-footer {
    padding: 1rem 1.5rem;
    text-align: center;
    color: #777;
    font-size: 0.9rem;
}

form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 320px;
    margin-bottom: 1.5rem;
}

label {
    font-weight: bold;
}

input[type="email"],
input[type="text"] {
    padding: 0.5rem;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 0.6rem 1rem;
    font-size: 1rem;
    background-color: #2d2d6b;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #44449a;
}

.link-button {
    background: none;
    color: #2d2d6b;
    text-decoration: underline;
    padding: 0;
    width: fit-content;
}

.form-error {
    color: #b00020;
    font-weight: bold;
}

.form-info {
    color: #1a6b1a;
}

.progress-sticky {
    position: sticky;
    top: 0;
    background-color: #fafafa;
    padding: 0.75rem 0;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid #e0e0e0;
    z-index: 10;
}

.progress-bar {
    background-color: #e0e0e0;
    border-radius: 4px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 0.4rem;
}

.progress-bar-fill {
    background-color: #2d2d6b;
    height: 100%;
    transition: width 0.3s ease;
}

.progress-text {
    color: #666;
    font-size: 0.85rem;
    margin: 0;
}

.section-intro {
    background-color: #eef0fa;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.section-intro h2 {
    margin-top: 0;
}

.chat-history {
    margin-bottom: 1.5rem;
}

.chat-item {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.chat-question {
    color: #555;
    margin: 0 0 0.25rem;
}

.chat-answer {
    margin: 0;
    font-weight: bold;
}

.chat-answer .edit-link {
    margin-right: 0.75rem;
    font-weight: normal;
    font-size: 0.85rem;
    color: #2d2d6b;
}

.questionnaire-form textarea,
.questionnaire-form select {
    padding: 0.5rem;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: inherit;
}

.radio-options {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.radio-option {
    font-weight: normal;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}