:root {
    --primary-color: #ff6b35;
    --bg-color: #faf9f7;
    --text-color: #333;
    --border-color: #e8e5e0;
    --message-bg: #f5f3f0;
}

body { 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; 
    max-width: 800px; 
    margin: 0 auto; 
    padding: 20px; 
    background-color: var(--bg-color);
    color: var(--text-color);
}

h1 {
    font-weight: 600;
    margin-bottom: 30px;
}

#chat-box, #chat-form { 
    background-color: white;
    border: 1px solid var(--border-color); 
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 20px;
}

#chat-box {
    height: 800px; 
    overflow-y: auto; 
    margin-bottom: 20px;
}

#chat-form { 
    display: flex; 
    gap: 12px;
    padding: 16px;
}

.message { 
    margin-bottom: 16px; 
    padding: 12px 16px;
    border-radius: 18px;
    max-width: 70%;
    word-wrap: break-word;
}

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

.bot-message { 
    background-color: var(--message-bg);
    border: 1px solid var(--border-color);
}

/* 마크다운 스타일 */
.bot-message * { line-height: 1.5; }
.bot-message ol, .bot-message ul { margin: 10px 0; padding-left: 20px; }
.bot-message a { color: var(--primary-color); text-decoration: none; font-weight: 500; }
.bot-message a:hover { text-decoration: underline; }
.bot-message code { background-color: #ede9e4; padding: 3px 6px; border-radius: 4px; font-size: 0.9em; }
.bot-message pre { background-color: #ede9e4; padding: 16px; border-radius: 8px; overflow-x: auto; }

#chat-input, #send-button { 
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
}

#chat-input { 
    flex-grow: 1; 
    border: 1px solid var(--border-color);
    background-color: #fafafa;
    outline: none;
}

#chat-input:focus {
    border-color: var(--primary-color);
    background-color: white;
}

#send-button { 
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    padding: 12px 24px;
}

#send-button:hover {
    background-color: #e85d2e;
}