#courseModal.modal-backdrop {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.65);
  z-index: 2000;
}

#courseModal.modal-backdrop.is-open {
  display: flex;
}

body.modal-open {
  overflow: hidden;
}

#courseModal .modal-panel {
  position: relative;
  width: min(560px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--surface, #fff);
  color: inherit;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.35);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

#courseModal .modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  border: none;
  background: transparent;
  color: inherit;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

#courseModal form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#courseModal .form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#courseModal .form-row label {
  font-weight: 600;
}

#courseModal .form-row input,
#courseModal .form-row select,
#courseModal .form-row textarea {
  border: 1px solid var(--stroke, #d1d5db);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  background: var(--surface-elevated, #fff);
  color: inherit;
}

#courseModal .form-row textarea {
  resize: vertical;
  min-height: 120px;
}

#courseModal .price-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

#courseModal .price-row .form-row {
  flex: 1 1 160px;
}

#courseModal .form-actions {
  display: flex;
  justify-content: flex-end;
}

#courseModal .form-actions .primary {
  padding: 10px 20px;
}

#courseTabActions.course-tab-actions {
  display: flex;
  justify-content: flex-end;
  margin: 16px 0;
}

#courseTabActions.course-tab-actions.hidden {
  display: none;
}