body {
    background: #f3f4f6;
    font-family: Arial, sans-serif;
}

.chat-container {
    width: 95vw;
    max-width: 700px;
    height: 92vh;

    margin: 20px auto;

    background: white;
    border-radius: 18px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);

    display: flex;
    flex-direction: column;

    overflow: hidden;
}

#chat-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;

    padding: 24px;
    background: #fafafa;
}

.user-message {
    background: #3b82f6;
    color: white;
    padding: 12px 16px;
    border-radius: 18px;
    width: fit-content;
    max-width: 80%;
    margin-left: auto;
    margin-bottom: 15px;
    line-height: 1.5;

    overflow-wrap: anywhere;
}

.bot-message {
    background: #e5e7eb;
    color: #111827;
    padding: 12px 16px;
    border-radius: 18px;
    width: fit-content;
    max-width: 80%;
    margin-bottom: 15px;
    line-height: 1.5;

    overflow-wrap: anywhere;
}

#response {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-controls {
    padding: 10px 20px;
    border-top: 1px solid #e5e7eb;
    background: white;
}

.settings {
    display: flex;
    gap: 10px;
    padding: 15px 20px;
    border-top: 1px solid #e5e7eb;
    background: #fafafa;
}

.settings button {
    background: #6b7280;
    color: white;
    border: none;
    border-radius: 12px;
    padding: 8px 14px;
    cursor: pointer;
    transition: 0.2s;
}

.settings button:hover {
    background: #4b5563;
}