body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

main {
    padding: 1rem;
    max-width: 1200px;
    margin: auto;
    overflow: hidden;
}

section {
    background: #fff;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
    color: #333;
    margin-top: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f0f0f0;
}

#battle-list {
    list-style: none;
    padding: 0;
}

#battle-list li {
    padding: 0.5rem;
    border: 1px solid #ddd;
    margin-bottom: 0.5rem;
    cursor: pointer;
    background-color: #f9f9f9;
    border-radius: 3px;
}

#battle-list li:hover {
    background-color: #e9e9e9;
}

#battle-details-content {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid #eee;
    background-color: #fdfdfd;
    border-radius: 3px;
}

#battle-details-content h3 {
    margin-top: 0;
    color: #555;
}

#battle-details-content pre {
    background-color: #eee;
    padding: 0.5rem;
    border-radius: 3px;
    white-space: pre-wrap;       /* Since CSS 2.1 */
    white-space: -moz-pre-wrap;  /* Mozilla, since 1999 */
    white-space: -pre-wrap;      /* Opera 4-6 */
    white-space: -o-pre-wrap;    /* Opera 7 */
    word-wrap: break-word;       /* Internet Explorer 5.5+ */
}

.round-details, .llm-conversation, .llm3-attempt {
    margin-bottom: 1rem;
    padding: 0.5rem;
    border: 1px dashed #ccc;
    border-radius: 3px;
}

.round-details h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    background-color: #eef;
    padding: 0.25rem;
}
.llm-conversation strong, .llm3-attempt strong {
    display: block;
    margin-bottom: 0.25rem;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #333;
    color: #fff;
    margin-top: 2rem;
}