body {
    font-family: sans-serif;
    margin: 20px;
    background-color: #f4f4f4;
}

.chat-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px;
    display: flex;
    flex-direction: column;
    height: 80vh;
}

#chat-log {
    flex-grow: 1;
    overflow-y: auto;
    padding-bottom: 10px;
}

.user-message, .bot-message {
    padding: 10px;
    margin-bottom: 8px;
    border-radius: 6px;
    clear: both;
    word-wrap: break-word;
}

.user-message {
    background-color: #e2f7cb;
    align-self: flex-end;
    float: right;
}

.bot-message {
    background-color: #f0f0f0;
    float: left;
}

/* Loading indicator styles */
.loading-message {
    background-color: #f8f8f8;
    border: 1px solid #e0e0e0;
}

.loading-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.loading-dots {
    display: flex;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #666;
    animation: loading-bounce 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes loading-bounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.loading-text {
    color: #666;
    font-style: italic;
    font-size: 0.9em;
}

/* Markdown styling within bot messages */
.bot-message h1 {
    font-size: 1.5em;
    margin: 0.5em 0;
    color: #333;
}

.bot-message h2 {
    font-size: 1.3em;
    margin: 0.4em 0;
    color: #333;
}

.bot-message h3 {
    font-size: 1.1em;
    margin: 0.3em 0;
    color: #333;
}

.bot-message ul, .bot-message ol {
    margin: 0.5em 0;
    padding-left: 1.5em;
}

.bot-message li {
    margin: 0.2em 0;
}

.bot-message p {
    margin: 0.5em 0;
    line-height: 1.4;
}

.bot-message code {
    background-color: #e8e8e8;
    padding: 2px 4px;
    border-radius: 3px;
    font-family: monospace;
    font-size: 0.9em;
}

.bot-message pre {
    background-color: #f8f8f8;
    padding: 10px;
    border-radius: 4px;
    overflow-x: auto;
    margin: 0.5em 0;
}

.bot-message pre code {
    background-color: transparent;
    padding: 0;
}

.bot-message blockquote {
    border-left: 4px solid #ddd;
    margin: 0.5em 0;
    padding-left: 1em;
    color: #666;
}

.bot-message strong {
    font-weight: bold;
}

.bot-message em {
    font-style: italic;
    color: #666;
}

.input-area {
    display: flex;
    margin-top: 15px;
}

#user-input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px 0 0 4px;
    outline: none;
}

#user-input:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

#send-button {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    outline: none;
}

#send-button:hover:not(:disabled) {
    background-color: #0056b3;
}

#send-button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}