.version-tap {
  position: fixed;
  left: 10px;
  bottom: 8px;
  font-size: 0.6rem;
  opacity: 0.35;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  z-index: 50;
}
.promo-admin-login {
  text-align: center;
  padding: 12px 0;
}
.promo-admin-login input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(127,127,127,0.25);
  background: rgba(127,127,127,0.08);
  color: var(--text);
  margin-bottom: 12px;
}
.promo-admin-dashboard[hidden] {
  display: none;
}
.promo-admin-dashboard input,
.promo-admin-dashboard select {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid rgba(127,127,127,0.25);
  background: rgba(127,127,127,0.08);
  color: var(--text);
  margin-bottom: 8px;
}
.promo-admin-dashboard .collab-btn {
  width: 100%;
  margin-bottom: 8px;
}
.promo-section-title {
  font-weight: 700;
  font-size: 0.9rem;
  margin: 18px 0 8px;
  color: var(--text);
}
.promo-teacher-list {
  max-height: 160px;
  overflow-y: auto;
  background: rgba(0,0,0,0.05);
  padding: 8px;
  border-radius: 12px;
  font-size: 0.78rem;
  margin-top: 8px;
  color: var(--text);
}
.promo-teacher-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
}
.promo-redemption-table {
  width: 100%;
  font-size: 0.75rem;
  border-collapse: collapse;
  color: var(--text);
}
.promo-redemption-table th,
.promo-redemption-table td {
  text-align: left;
  padding: 6px 4px;
  border-bottom: 1px solid rgba(127,127,127,0.15);
}

.promo-one-time-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text);
  margin-bottom: 8px;
}
.promo-one-time-row input {
  width: auto;
  margin-bottom: 0;
}
.promo-code-list {
  max-height: 200px;
  overflow-y: auto;
  background: rgba(0,0,0,0.05);
  padding: 8px;
  border-radius: 12px;
  font-size: 0.78rem;
  margin-top: 8px;
  color: var(--text);
}
.promo-code-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  gap: 8px;
}
.promo-code-label {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
}
.promo-code-sub {
  font-size: 0.7rem;
  opacity: 0.7;
}
.promo-code-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.promo-revoked-row td {
  text-decoration: line-through;
  opacity: 0.5;
}