/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body Styling */
body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(to bottom right, #00c6ff, #0072ff); /* Blue Gradient */
    color: white;
}

/* Chat Container */
.chat-container {
    width: 400px;
    height: 600px;
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Chat Header */
.chat-header {
    background-color: #0072ff; /* Blue */
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 1.8rem;
    font-weight: bold;
    text-transform: uppercase;
}

/* Chat Box */
.chat-box {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: #f9f9f9;
    display: flex;
    flex-direction: column;
}

/* Sent Messages */
.chat-box .message {
    background-color: #0072ff;
    color: white;
    align-self: flex-end;
    padding: 10px 15px;
    border-radius: 15px 15px 0 15px;
    margin-bottom: 10px;
    max-width: 70%;
    word-wrap: break-word;
}

/* Received Messages */
.chat-box .message.received {
    background-color: #f1f1f1;
    color: #333;
    align-self: flex-start;
    border-radius: 15px 15px 15px 0;
}

/* Message Input */
.message-input {
    display: flex;
    padding: 15px;
    background-color: #f0f0f0;
    border-top: 1px solid #ddd;
}

.message-input input {
    flex-grow: 1;
    padding: 12px;
    border-radius: 20px;
    border: 1px solid #ccc;
    font-size: 1rem;
    margin-right: 10px;
    outline: none;
    transition: all 0.3s ease;
}

.message-input input:focus {
    border-color: #0072ff;
    box-shadow: 0 0 8px rgba(0, 114, 255, 0.5);
}

.message-input button {
    background-color: #0072ff;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.message-input button:hover {
    background-color: #0056b3;
}