/* Student billing, refund review, and account deletion */
.billing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.billing-section,
.billing-admin-section {
  margin-top: 20px;
}

.billing-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, .02);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.billing-card-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.billing-card h3 {
  margin: 0;
  font-size: 15px;
  color: #0f172a;
}

.billing-card .status-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  width: fit-content;
}

.billing-card .status-badge.green {
  background: #eaf5ef;
  color: #2b7958;
}

.billing-card .status-badge.blue {
  background: #edf1fa;
  color: #4b6fac;
}

.billing-card .status-badge.gold {
  background: #fefce8;
  color: #b45309;
}

.billing-card .status-badge.red {
  background: #fbecec;
  color: #b44747;
}

.billing-card .status-badge.muted {
  background: #f1f5f9;
  color: #64748b;
}

.billing-card .date-text {
  font-size: 12px;
  color: #64748b;
  margin: 0;
}

.billing-action-note {
  margin: 0;
  line-height: 1.45;
}

.billing-history-table {
  margin-top: 14px;
}

.billing-history-table td,
.billing-history-table th {
  vertical-align: top;
}

.billing-refund-status {
  margin-top: 5px;
}

.billing-resolution {
  display: block;
  max-width: 180px;
  line-height: 1.35;
  margin-top: 4px;
  white-space: normal;
  overflow-wrap: anywhere;
}

.billing-admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.billing-reason {
  min-width: 180px;
  max-width: 280px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.billing-error {
  border-color: #f3c7c7;
  background: #fffafa;
}

.billing-error h3 {
  margin-top: 0;
}

.billing-error p,
.billing-inline-error {
  color: #af3535;
}

.billing-preview-icon {
  color: #d8b66a;
  margin-bottom: 16px;
}

.billing-preview-icon .icon {
  width: 32px;
  height: 32px;
}

.empty-state {
  padding: 32px;
  text-align: center;
  color: #64748b;
  background: #f8fafc;
  border-radius: 12px;
  border: 1px dashed #cbd5e1;
  margin-top: 16px;
}

.account-deletion-panel {
  border: 1px solid #fee2e2;
  background: #fef2f2;
  margin-top: 24px;
}

.account-deletion-panel h3 {
  color: #b91c1c;
}

.account-deletion-panel .notice {
  margin: 16px 0;
}

.account-deletion-panel ul {
  margin: 8px 0 14px;
  padding-left: 20px;
}

.account-deletion-panel li {
  margin: 5px 0;
}

@media (max-width: 700px) {
  .billing-grid {
    grid-template-columns: 1fr;
  }

  .billing-history-table {
    overflow-x: auto;
  }

  .billing-admin-actions {
    flex-direction: column;
  }
}