.quiz-options {
  display: grid;
  gap: 8px;
}

.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--ink);
}

.quiz-option input {
  margin-top: 3px;
}

.empty {
  padding: 18px;
  border-radius: 16px;
  border: 1px dashed var(--line);
  color: var(--muted);
  text-align: center;
}

.actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.login-actions .btn {
  text-decoration: none;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--backdrop-bg);
  backdrop-filter: blur(6px);
}

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

.modal {
  width: min(720px, 100%);
  max-height: min(90vh, 860px);
  overflow: auto;
  padding: 20px;
}

.service-modal {
  width: min(980px, 100%);
}

.service-modal.is-single {
  width: min(640px, 100%);
}

.modal-grid {
  display: grid;
  gap: 12px;
}

.modal label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.modal textarea {
  min-height: 120px;
  resize: vertical;
}

.checkbox {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--ink);
}

.checkbox input {
  width: auto;
}

.thread-mode-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.thread-mode-row h4 {
  margin: 0;
}

.modal .thread-mode-row .checkbox {
  display: flex;
  grid-template-columns: none;
  color: var(--ink);
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.learning-assignment-settings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.learning-assignment-settings > label {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.learning-assignment-settings input {
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.testing-panel,
.test-reviewer-card {
  min-width: 0;
}

.testing-panel {
  grid-column: 1 / -1;
}

.test-reviewer-fields {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(220px, 2fr);
  gap: 12px;
  align-items: end;
  margin-top: 10px;
}

.test-reviewer-field {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.test-reviewer-field input,
.test-reviewer-field select {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--field-bg);
  color: var(--ink);
}

.bulk-assignment-panel {
  grid-column: 1 / -1;
  min-width: 0;
}

.bulk-assignment-form {
  display: grid;
  gap: 18px;
  min-width: 0;
  max-width: 100%;
}

.bulk-command-grid,
.bulk-settings-grid {
  display: grid;
  gap: 12px;
}

.bulk-command-grid {
  grid-template-columns: minmax(240px, 0.8fr) minmax(320px, 1.2fr);
}

.bulk-settings-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bulk-command-grid > label,
.bulk-settings-grid > label {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
}

.bulk-settings-grid > [hidden] {
  display: none;
}

.bulk-assignment-form input:not([type="checkbox"]),
.bulk-assignment-form select {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--field-bg);
  color: var(--ink);
}

.bulk-form-section {
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.bulk-form-section-title {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 13px;
}

.bulk-scope-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.bulk-scope-group {
  min-width: 0;
  padding-right: 16px;
}

.bulk-scope-group + .bulk-scope-group {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.bulk-scope-group:last-child {
  padding-right: 0;
}

.bulk-scope-title {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.bulk-scope-all {
  display: flex;
  align-items: flex-start;
  min-height: 28px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}

.bulk-scope-values {
  display: grid;
  gap: 5px;
  max-height: 180px;
  margin-top: 6px;
  padding-right: 6px;
  overflow-y: auto;
}

.bulk-scope-option {
  display: flex;
  align-items: flex-start;
  min-height: 27px;
  font-size: 13px;
  line-height: 1.35;
}

.bulk-scope-all input,
.bulk-scope-option input {
  flex: 0 0 auto;
  margin-top: 2px;
}

.bulk-scope-option span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.bulk-scope-option input:disabled + span {
  opacity: 0.45;
}

.bulk-form-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: 2px;
}

.bulk-form-actions .btn {
  min-width: 210px;
}

.service-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.service-toolbar h2 {
  margin: 0 0 6px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.service-grid.is-single {
  grid-template-columns: minmax(0, 1fr);
}

.service-grid .card {
  padding: 18px;
}

.service-grid .card h3 {
  margin: 0 0 12px;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.service-grid .toolbar-row {
  margin-top: 8px;
}

.service-stack {
  display: grid;
  gap: 12px;
}

.service-stack form {
  padding: 14px;
  border-radius: 16px;
  background: var(--detail-bg);
  border: 1px solid var(--detail-border);
}

.material-sync-feedback {
  display: grid;
  gap: 4px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
}

.material-sync-feedback.is-success {
  color: var(--ink);
  background: var(--detail-bg);
}

.material-sync-feedback.is-error {
  color: #bd3c48;
  background: var(--panel-strong);
}

.catalog-dropdown {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-strong);
}

.catalog-dropdown summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
  color: var(--ink);
  font-size: 13px;
}

.catalog-dropdown[open] summary {
  border-bottom: 1px solid var(--line);
}

.catalog-dropdown summary::-webkit-details-marker {
  display: none;
}

.catalog-list {
  margin-top: 0;
  display: grid;
  gap: 8px;
  padding: 10px;
}

.catalog-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--ink);
  font-size: 13px;
}

.catalog-delete-btn {
  padding: 6px 10px;
  font-size: 12px;
}

.footer-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}