body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background: #fff;
    color: #000;
    line-height: 1.6;
}

header {
    background: #f8f9fa;
    padding: 1em;
    border-bottom: 1px solid #ddd;
    display: flex;
    align-items: center;
    gap: 1em;
}

h1 {
    margin: 0;
}

#search {
    flex: 1;
    padding: 0.5em;
}

button {
    padding: 0.5em 1em;
    background: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

#relays {
    display: flex;
    align-items: center;
    gap: 0.5em;
}

#relay-list {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 0.5em;
}

#relay-list li {
    background: #eee;
    padding: 0.5em;
    border-radius: 4px;
}

#main.single {
    display: block;
    padding: 1em;
}

#main.dual {
    display: flex;
    gap: 1em;
    padding: 1em;
}

.article {
    flex: 1;
    border: 1px solid #ddd;
    padding: 1em;
    overflow: auto;
}

.hidden {
    display: none;
}

.article h1, .article h2, .article h3 {
    border-bottom: 1px solid #eee;
}

.article pre {
    background: #f4f4f4;
    padding: 1em;
    overflow: auto;
}

.article table {
    border-collapse: collapse;
    width: 100%;
}

.article th, .article td {
    border: 1px solid #ddd;
    padding: 0.5em;
}

.article th {
    background: #f8f9fa;
}

@media (max-width: 768px) {
    #main.dual {
        flex-direction: column;
    }
}