/* General Styles */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f0f2f5;
    color: #1c1e21;
    margin: 0;
    padding: 0;
}

header {
    background-color: #4267B2;
    color: white;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
}

header input[type="text"] {
    padding: 5px;
    border-radius: 5px;
    border: none;
}

header a {
    color: white;
    margin-left: 15px;
    text-decoration: none;
    font-weight: bold;
}

header a:hover {
    text-decoration: underline;
}

.container {
    display: flex;
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

.sidebar,
.right-sidebar {
    width: 250px;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-right: 20px;
}

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

.sidebar nav ul li {
    margin-bottom: 10px;
}

.sidebar nav ul li a {
    text-decoration: none;
    color: #4267B2;
    font-weight: bold;
}

.sidebar nav ul li a:hover {
    text-decoration: underline;
}

.content {
    flex: 1;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

form {
    margin-bottom: 20px;
}

form textarea {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ddd;
    margin-bottom: 10px;
    resize: none;
}

form input[type="file"] {
    margin-bottom: 10px;
}

form button {
    background-color: #4267B2;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

form button:hover {
    background-color: #365899;
}

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

li {
    background-color: white;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#postsList img {
    max-width: 100%;
    border-radius: 5px;
    margin-top: 10px;
}

.right-sidebar h3 {
    margin-top: 0;
}

.ad {
    background-color: #f0f2f5;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
    text-align: center;
}