/* General Reset */
body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

/* Header */
header {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    text-align: center;
}

/* Container */
.container {
    max-width: 800px;
    margin: 20px auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    padding: 20px;
}

/* User Profile */
.profile {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.profile img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 15px;
}

.profile-info {
    flex-grow: 1;
}

.profile-info h2 {
    margin: 0;
    font-size: 20px;
}

.profile-info p {
    margin: 5px 0 0;
    font-size: 14px;
    color: #555;
}

/* Message Input */
.message-input {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

.message-input textarea {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    resize: none;
}

.message-input button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.message-input button:hover {
    background-color: #45a049;
}

/* Message Feed */
.message-feed {
    margin-top: 20px;
}

.message {
    padding: 10px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: flex-start;
}

.message:last-child {
    border-bottom: none;
}

.message img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
}

.message-content {
    flex-grow: 1;
}

.message-content h4 {
    margin: 0;
    font-size: 16px;
    color: #4CAF50;
}

.message-content p {
    margin: 5px 0 0;
    font-size: 14px;
    color: #333;
}