/* 排行榜样式 */

.leaderboard {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

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

.leaderboard th {
    background-color: #f5f5f5;
    font-weight: 700;
    position: sticky;
    top: 0;
    z-index: 10;
}

.leaderboard thead tr:first-child th {
    top: 0;
    z-index: 12;
}

.leaderboard thead tr:nth-child(2) th {
    top: 45px;
    z-index: 11;
}

.leaderboard tr:hover {
    background-color: #f9f9f9;
}

.best-score-text {
    color: #485fc7;
    font-weight: 700;
}

/* 排序指示器 */
.leaderboard th[data-sort] {
    cursor: pointer;
    user-select: none;
}

.leaderboard th[data-sort]:hover {
    background-color: #e8e8e8;
}

.leaderboard th[data-sort]::after {
    content: ' ↕';
    opacity: 0.5;
    font-size: 0.8em;
}

.leaderboard th[data-sort].sort-asc::after {
    content: ' ↑';
    opacity: 1;
}

.leaderboard th[data-sort].sort-desc::after {
    content: ' ↓';
    opacity: 1;
}