body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f4f8; /* Light grayish blue */
    color: #333;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Align to top for longer content */
    min-height: 100vh;
}

.container {
    background-color: #ffffff;
    padding: 25px 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    max-width: 800px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px dashed #77aaff; /* Hippo-ish blue */
    padding-bottom: 20px;
}

header h1 {
    color: #2c3e50; /* Darker blue */
    font-size: 2.5em;
    margin-bottom: 5px;
}

header h1 .cursor {
    animation: blink 1s step-end infinite;
    font-weight: bold;
}

@keyframes blink {
    from, to { color: transparent; }
    50% { color: #2c3e50; }
}

header p {
    color: #555;
    font-style: italic;
}

.main-nav h2, .hippo-fact-area h2, .silly-zone h2 {
    color: #3498db; /* A nice friendly blue */
    margin-top: 0;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}

.main-nav ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    gap: 10px; /* Spacing between buttons */
    justify-content: center;
}

.main-nav li {
    margin-bottom: 10px; /* Spacing if they wrap */
}

.nav-button {
    display: inline-block;
    padding: 12px 20px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-button:hover {
    background-color: #2980b9; /* Darker blue on hover */
    transform: translateY(-2px);
}

/* Optional: Individual button colors */
.nav-button.plex { background-color: #e5a00d; }
.nav-button.plex:hover { background-color: #c0850a; }
.nav-button.kavita { background-color: #4CAF50; }
.nav-button.kavita:hover { background-color: #45a049; }
.nav-button.komga { background-color: #f44336; }
.nav-button.komga:hover { background-color: #da190b; }
.nav-button.audiobookshelf { background-color: #9c27b0; }
.nav-button.audiobookshelf:hover { background-color: #7b1fa2; }
.nav-button.info { background-color: #607d8b; }
.nav-button.info:hover { background-color: #546e7a; }


.hippo-fact-area {
    margin-top: 30px;
    padding: 20px;
    background-color: #eaf2f8; /* Lighter blue for fact box */
    border-left: 5px solid #3498db;
    border-radius: 5px;
}

.fact-box {
    font-size: 1.1em;
    color: #2c3e50;
}

.fact-box small {
    display: block;
    margin-top: 10px;
    font-style: italic;
    color: #777;
}

.silly-zone {
    margin-top: 30px;
    padding: 20px;
    background-color: #fdf5e6; /* Creamy background for silly zone */
    border: 1px dashed #f39c12; /* Orange dash */
    border-radius: 5px;
}

.silly-zone pre.ascii-hippo {
    font-family: 'Courier New', Courier, monospace;
    text-align: center;
    color: #777;
    font-size: 0.9em;
    line-height: 1.2;
    margin: 20px 0;
    overflow-x: auto; /* In case it's too wide */
}

footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    font-size: 0.9em;
    color: #777;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    header h1 {
        font-size: 2em;
    }
    .main-nav ul {
        flex-direction: column; /* Stack buttons vertically */
        align-items: center;
    }
    .nav-button {
        width: 80%; /* Make buttons wider */
        text-align: center;
        margin-bottom: 10px;
    }
}