body {
    background-color: #3a3a3a;
    background-image: url('https://www.minecraft.net/etc.clientlibs/minecraft/clientlibs/main/resources/img/bg-wood.png');
    color: #fff;
    font-family: 'VT323', monospace;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

#app-container {
    width: 100%;
    max-width: 1200px;
    margin: 30px;
    background: rgba(0, 0, 0, 0.6);
    border: 5px solid #1e1e1e;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

header {
    background-color: #588739;
    padding: 30px;
    text-align: center;
    border-bottom: 5px solid #365821;
    text-shadow: 2px 2px #333;
}

header h1 {
    margin: 0;
    font-size: 3em;
}

nav {
    margin-top: 20px;
}

nav a {
    color: #fff;
    text-decoration: none;
    padding: 10px 15px;
    margin: 0 5px;
    background-color: #365821;
    border: 2px solid #2a451a;
    border-radius: 5px;
    font-size: 1.2em;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #4a752c;
}

.content-wrapper {
    display: flex;
    flex-wrap: wrap;
    padding: 20px;
}

#articles {
    flex: 3;
    padding-right: 20px;
}

#articles article {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    margin-bottom: 20px;
    border: 3px solid #555;
}

#articles h3 {
    margin-top: 0;
    font-size: 1.8em;
    color: #f7a700;
}

#sidebar {
    flex: 1;
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border: 3px solid #555;
    min-width: 200px;
}

#sidebar h3 {
    margin-top: 0;
    font-size: 1.8em;
    border-bottom: 2px solid #777;
    padding-bottom: 5px;
}

#sidebar ul {
    list-style: none;
    padding: 0;
}

#sidebar li a {
    color: #87ceeb;
    text-decoration: none;
    font-size: 1.2em;
    line-height: 1.8;
}

#sidebar li a:hover {
    text-decoration: underline;
}

footer {
    background-color: #2a2a2a;
    text-align: center;
    padding: 15px;
    font-size: 0.9em;
    border-top: 5px solid #1e1e1e;
}

@media (max-width: 768px) {
    .content-wrapper {
        flex-direction: column;
    }

    #articles {
        padding-right: 0;
    }
}