.prereq-editor {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.prereq-editor-empty {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted, #777);
  font-style: italic;
}

.prereq-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.prereq-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--color-border, #e2e2e2);
  border-radius: 8px;
  background: var(--color-surface, #fff);
}

.prereq-row-label {
  font-size: 0.85rem;
  color: var(--color-text-muted, #555);
  white-space: nowrap;
}

.prereq-input {
  flex: 1;
  min-width: 0;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--color-border, #d8d8d8);
  border-radius: 6px;
  font-size: 0.88rem;
  background: var(--color-bg, #fafafa);

  &:focus {
    outline: none;
    border-color: var(--color-primary, #2c6cd6);
  }
}

.prereq-input-number {
  flex: 0 0 90px;
}

.prereq-remove {
  background: transparent;
  border: none;
  color: var(--color-danger, #c0392b);
  cursor: pointer;
  padding: 0.3rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;

  &:hover { background: rgba(192, 57, 43, 0.08); }
}

.prereq-add {
  position: relative;
  align-self: flex-start;
}

.prereq-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
}

.prereq-add-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  min-width: 220px;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e2e2e2);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;

  button {
    background: transparent;
    border: none;
    text-align: left;
    padding: 0.55rem 0.75rem;
    font-size: 0.88rem;
    cursor: pointer;

    &:hover { background: rgba(66, 133, 244, 0.08); }
  }
}
