.mailbox-sender-accounts-v259 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.65rem;
  margin-bottom: 0.9rem;
}

.mailbox-sender-account-v259 {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 0.9rem;
  background: rgba(148, 163, 184, 0.06);
  padding: 0.75rem 0.85rem;
  text-align: left;
  transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.mailbox-sender-account-v259:hover {
  border-color: rgba(6, 182, 212, 0.5);
  background: rgba(6, 182, 212, 0.07);
}

.mailbox-sender-account-v259.is-active {
  border-color: rgba(6, 182, 212, 0.72);
  background: rgba(6, 182, 212, 0.11);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.1);
}

.mailbox-sender-account-v259 > span:first-child,
.mailbox-sender-account-count-v259 {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.mailbox-sender-account-v259 strong {
  overflow: hidden;
  color: rgb(15 23 42);
  font-size: 0.78rem;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dark .mailbox-sender-account-v259 strong {
  color: rgb(241 245 249);
}

.mailbox-sender-account-v259 small {
  overflow: hidden;
  color: rgb(100 116 139);
  font-size: 0.64rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mailbox-sender-account-count-v259 {
  flex: 0 0 auto;
  align-items: flex-end;
}

.mailbox-sender-account-count-v259 b {
  color: rgb(8 145 178);
  font-size: 0.7rem;
}

.mailbox-sender-empty-v259 {
  margin: 0.7rem 0 0.15rem;
  border: 1px dashed rgba(148, 163, 184, 0.3);
  border-radius: 0.85rem;
  padding: 1rem;
  color: rgb(100 116 139);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
}

@media (max-width: 640px) {
  .mailbox-sender-accounts-v259 {
    grid-template-columns: 1fr;
  }
}