/* Ordenação por colunas (partilhado) */
.table th.sortable-header {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}
.table th.sortable-header .sort-icon {
    margin-left: 6px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.2s ease, color 0.2s ease;
    color: #9ca3af;
}
.table th.sortable-header:hover .sort-icon,
.table th.sortable-header.active-sort .sort-icon {
    opacity: 1;
}
.table th.sortable-header.active-sort .sort-icon {
    color: #1d4ed8;
}
body[data-theme="dark"] .table th.sortable-header .sort-icon {
    color: #6b7280;
}
body[data-theme="dark"] .table th.sortable-header.active-sort .sort-icon {
    color: #60a5fa;
}