body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

header {
    background: linear-gradient(90deg, #64b5f6, #1e88e5);
    color: #fff;
    padding: 20px;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 10px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

section {
    padding: 20px;
    margin: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.project img {
    max-width: 100%;
    height: auto;
}

footer {
    background-color: #64b5f6;
    color: #fff;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}

#chat-bot-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 500px;
    height: 600px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    background: linear-gradient(90deg, #1e88e5, #6455f6);
    color: #fff;
    padding: 10px;
    text-align: center;
    font-size: 18px;
    cursor: move;
}

.chat-messages {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    border-bottom: 1px solid #ddd;
}

.chat-input {
    display: flex;
    padding: 10px;
    background-color: #f9f9f9;
}

.chat-input form {
    display: flex;
    width: 100%;
}

.chat-input input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 5px;
    margin-right: 10px;
}

.chat-input button {
    padding: 10px 20px;
    border: none;
    background-color: #64b5f6;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
}

.chat-input button:hover {
    background-color: #1e88e5;
}

.message {
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 5px;
}

.message.user {
    background-color: #b5d8f5;
    align-self: flex-end;
}

.message.assistant {
    background-color: #e1e1ff;
    align-self: flex-start;
}

.resizable {
    resize: both;
    overflow: auto;
}

#clear-history {
    margin-top: 10px;
    padding: 5px 10px;
    border: none;
    background-color: transparent;
    color: #000;
    font-size: 12px;
    text-decoration: underline;
    cursor: pointer;
}

#clear-history:hover {
    text-decoration: none;
    color: #555;
}