/* per_staff_assign_dialog_html: the staff page's "+ Add optional test" dialog.
   Every rule is scoped under :where(.psa-overlay); the root rule stays bare. */
.psa-overlay {
  position: fixed; inset: 0;
  background: var(--ch-bg-overlay);
  display: flex; align-items: center; justify-content: center;
  z-index: var(--ch-z-modal); padding: var(--ch-space-md);
}
:where(.psa-overlay) .psa-card {
  background: var(--ch-bg-card);
  border-radius: var(--ch-radius-lg);
  box-shadow: var(--ch-shadow-lg);
  width: 100%; max-width: 580px;
  max-height: calc(100vh - 32px);
  display: flex; flex-direction: column;
  font-family: var(--ch-font-primary);
}
:where(.psa-overlay) .psa-header {
  padding: var(--ch-space-md);
  border-bottom: 1px solid var(--ch-border);
  display: flex; align-items: center; justify-content: space-between;
}
:where(.psa-overlay) .psa-title {
  margin: 0; font-size: 18px; font-weight: 600;
  color: var(--ch-text-primary);
}
:where(.psa-overlay) .psa-target {
  font-size: 12px; color: var(--ch-text-muted); margin-top: 2px;
}
:where(.psa-overlay) .psa-close-btn {
  background: transparent; border: none; cursor: pointer;
  color: var(--ch-text-muted); font-size: 20px; line-height: 1;
  padding: 4px 8px;
}
:where(.psa-overlay) .psa-close-btn:hover { color: var(--ch-text-primary); }
:where(.psa-overlay) .psa-body {
  padding: var(--ch-space-md); overflow: auto; flex: 1;
}
:where(.psa-overlay) .psa-section { margin-bottom: var(--ch-space-md); }
:where(.psa-overlay) .psa-label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--ch-text-primary); margin-bottom: 6px;
}
:where(.psa-overlay) .psa-helper {
  display: block; font-size: 12px; color: var(--ch-text-muted);
  margin-bottom: 6px;
}
:where(.psa-overlay) .psa-select {
  width: 100%; padding: 8px 10px;
  border: 1.5px solid var(--ch-border);
  border-radius: var(--ch-radius-sm);
  background: var(--ch-bg-input); color: var(--ch-text-primary);
  font-family: var(--ch-font-primary); font-size: 14px;
}
:where(.psa-overlay) .psa-tests-list {
  max-height: 280px; overflow: auto;
  border: 1px solid var(--ch-border);
  border-radius: var(--ch-radius-md);
  background: var(--ch-bg-input); padding: 4px;
}
:where(.psa-overlay) .psa-test-row {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 8px 10px;
  border-radius: var(--ch-radius-sm); cursor: pointer;
}
:where(.psa-overlay) .psa-test-row:hover:not(.disabled) {
  background: var(--ch-bg-secondary);
}
:where(.psa-overlay) .psa-test-row.disabled {
  cursor: not-allowed; opacity: 0.55;
}
:where(.psa-overlay) .psa-test-row input { margin-top: 3px; }
:where(.psa-overlay) .psa-test-block { flex: 1; min-width: 0; }
:where(.psa-overlay) .psa-test-title {
  font-size: 14px; color: var(--ch-text-primary);
  font-weight: 500;
}
:where(.psa-overlay) .psa-test-desc {
  font-size: 12px; color: var(--ch-text-secondary);
  margin-top: 2px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
:where(.psa-overlay) .psa-test-already {
  display: inline-block; margin-left: 8px;
  padding: 1px 8px; font-size: 11px; font-weight: 600;
  background: var(--ch-bg-secondary); color: var(--ch-text-muted);
  border-radius: var(--ch-radius-full);
}
:where(.psa-overlay) .psa-empty, :where(.psa-overlay) .psa-loading, :where(.psa-overlay) .psa-error {
  padding: 24px; text-align: center;
  color: var(--ch-text-muted); font-size: 13px;
}
:where(.psa-overlay) .psa-error { color: var(--ch-danger); }
:where(.psa-overlay) .psa-spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--ch-border);
  border-top-color: var(--ch-accent-primary);
  border-radius: 50%; animation: psa-spin 1s linear infinite;
  margin: 0 auto 8px;
}
@keyframes psa-spin { to { transform: rotate(360deg); } }
:where(.psa-overlay) .psa-select-controls {
  display: flex; gap: var(--ch-space-sm); margin-top: 6px;
  font-size: 12px; align-items: center;
}
:where(.psa-overlay) .psa-select-controls button {
  background: transparent; border: none;
  color: var(--ch-accent-primary-text, #b45309); cursor: pointer;
  padding: 2px 4px; font-size: 12px;
  font-family: var(--ch-font-primary);
}
:where(.psa-overlay) .psa-select-controls button:hover { text-decoration: underline; }
:where(.psa-overlay) .psa-select-count {
  margin-left: auto;
  font-size: 12px; color: var(--ch-text-secondary);
}
:where(.psa-overlay) .psa-footer {
  padding: var(--ch-space-md);
  border-top: 1px solid var(--ch-border);
  display: flex; justify-content: flex-end;
  gap: var(--ch-space-sm); flex-wrap: wrap;
}
:where(.psa-overlay) .psa-btn {
  padding: 8px 16px; font-size: 13px; font-weight: 500;
  border-radius: var(--ch-radius-md); cursor: pointer;
  font-family: var(--ch-font-primary); min-height: 36px;
}
:where(.psa-overlay) .psa-btn--primary {
  background: var(--ch-accent-primary); color: var(--ch-text-inverse);
  border: 1px solid var(--ch-accent-primary);
}
:where(.psa-overlay) .psa-btn--primary:hover:not(:disabled) {
  background: var(--ch-accent-primary-hover);
}
:where(.psa-overlay) .psa-btn--primary:disabled { opacity: 0.5; cursor: not-allowed; }
:where(.psa-overlay) .psa-btn--ghost {
  background: transparent; color: var(--ch-text-secondary);
  border: 1px solid var(--ch-border);
}
:where(.psa-overlay) .psa-btn--ghost:hover {
  color: var(--ch-accent-primary-text, #b45309); border-color: var(--ch-accent-primary);
}

:where(.psa-overlay) .psa-hidden { display: none; }