:root {
    --primary-color: #1E1450;
    --secondary-color: #FFF;
    --text-color: #333;
    --background-color: #F5F3F5;
    --border-color: #ddd;
}

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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 20px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    text-align: center;
}

.header img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.header h1 {
    margin: 0;
    color: #333;
    font-size: 24px;
    font-weight: 600;
}

#chat-interface {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

#messages {
    height: 400px;
    overflow-y: auto;
    padding: 20px;
}

.message {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 8px;
    max-width: 80%;
}

.message.user {
    background-color: var(--primary-color);
    color: white;
    margin-left: auto;
}

.message.ai {
    background-color: var(--background-color);
    color: var(--text-color);
    white-space: pre-wrap;
}

.message .paragraph {
    margin-bottom: 10px;
}

.message .list-item {
    margin: 5px 0;
    padding-left: 20px;
}

.input-area {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

#user-input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    resize: none;
    font-family: inherit;
}

#send-button {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s;
}

#send-button:hover {
    opacity: 0.9;
}

.summary-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-top: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.summary-text h2 {
    color: var(--primary-color);
    margin: 20px 0 10px 0;
    font-size: 1.5em;
}

.summary-text h3 {
    color: var(--primary-color);
    margin: 15px 0 10px 0;
    font-size: 1.3em;
}

.summary-text .list-item {
    margin: 8px 0;
    padding-left: 20px;
    line-height: 1.4;
}

.summary-text strong {
    color: var(--primary-color);
}

.summary-text br {
    display: block;
    margin: 10px 0;
    content: "";
}

/* Overview Page Specific Styles */
.summary-section {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    padding: 20px;
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 0;
}

.summary-header h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.5em;
}

.summary-button {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s;
}

.summary-button:hover {
    opacity: 0.9;
}

.session {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    padding: 20px;
}

.session h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 24px;
}

.session p {
    color: #666;
    margin-bottom: 20px;
}

.conversation {
    margin: 15px 0;
}

.question, .user, .ai {
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    line-height: 1.5;
}

.question {
    color: var(--primary-color);
    font-weight: 600;
    background-color: #f8f9fa;
}

.user {
    background-color: #f0f0f0;
    margin-left: 20px;
}

.ai {
    background-color: #e8eaf6;
    color: var(--primary-color);
    margin-right: 20px;
}

.loading {
    text-align: center;
    padding: 20px;
    color: var(--primary-color);
    font-weight: bold;
}

/* Module specific styles */
.module-info {
    margin-bottom: 20px;
    color: #666;
}

.module-info strong {
    color: var(--primary-color);
}

/* Conversation styles */
.conversation-container {
    background-color: #fff;
    border-radius: 8px;
    padding: 15px;
    margin-top: 20px;
}

.conversation-item {
    margin: 15px 0;
    padding: 10px;
    border-radius: 8px;
}

.user-message {
    background-color: #f0f0f0;
    margin-left: 20px;
}

.ai-message {
    background-color: #e8eaf6;
    color: var(--primary-color);
    margin-right: 20px;
}

.summary-text {
    line-height: 1.6;
    color: #333;
}