:root {
    --bg-color: #1a1a1a;
    --card-bg-color: #2a2a2a;
    --text-color: #e0e0e0;
    --muted-text-color: #a0a0a0;
    --border-color: #444444;
    --accent-color: #f05a28; /* UFC-like orange */
    --champion-color: #ffd700; /* Gold */
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 30px auto;
    padding: 0 20px;
}

header {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
}

header h1 {
    color: var(--text-color);
    margin: 0;
}

#division-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

#division-tabs button {
    background: none;
    border: none;
    color: var(--muted-text-color);
    padding: 10px 15px;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease, background-color 0.3s ease;
    border-radius: 6px 6px 0 0;
}

#division-tabs button:hover {
    background-color: var(--card-bg-color);
    color: var(--text-color);
}

#division-tabs button.active {
    color: var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
}

.division-ranking {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.division-ranking h2 {
    color: var(--text-color);
    margin-top: 0;
    margin-bottom: 15px;
    text-align: center;
}

.champion-card {
    background-color: var(--champion-color);
    color: #1a1a1a; /* Dark text for gold background */
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.champion-card span {
    font-size: 1.2em;
    display: block;
    margin-bottom: 5px;
}

.ranking-list {
    list-style: none;
    padding: 0;
}

.ranking-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.ranking-list li:last-child {
    border-bottom: none;
}

.ranking-list li .rank {
    font-weight: bold;
    color: var(--accent-color);
    width: 30px;
    text-align: left;
}

.ranking-list li .name {
    flex-grow: 1;
    font-weight: bold;
}

.ranking-list li .record {
    color: var(--muted-text-color);
    font-size: 0.9em;
    width: 80px;
    text-align: right;
}

.ranking-list li .changes {
    font-size: 0.8em;
    margin-left: 10px;
    width: 40px;
    text-align: right;
}

.changes.up {
    color: #4CAF50; /* Green for up */
}

.changes.down {
    color: #f44336; /* Red for down */
}