body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #e9f5e9, #c8e6c9);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.chat-container {
    width: 400px;
    height: 500px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    background: #4caf50;
    color: white;
    padding: 15px;
    text-align: center;
    font-weight: bold;
    font-size: 1.2em;
    border-bottom: 1px solid #388e3c;
}

.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background: #f5f5f5;
}

.chat-input {
    display: flex;
    border-top: 1px solid #ddd;
    padding: 10px;
    background: #fff;
}

.chat-input textarea {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    resize: none;
    outline: none;
    font-size: 1em;
}

.chat-input button {
    margin-left: 10px;
    background: #4caf50;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px 15px;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.3s;
}

.chat-input button:hover {
    background: #388e3c;
}

.message {
    margin-bottom: 10px;
    line-height: 1.4;
}

.message.user {
    text-align: right;
    color: #007bff;
    word-wrap: break-word;
}

.message.bot {
    text-align: left;
    color: #333;
    word-wrap: break-word;
}

.chat-messages::-webkit-scrollbar {
    width: 5px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 5px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #aaa;
}

.intro-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.intro-container img {
    width: 50%;
    min-width: 300px
}

.loader {
    font-size: 25px;
    text-align: center;
}