/* QPal Content Library grouping — shared, admin-managed metadata only. */

.qpal-shared-library-group {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.qpal-shared-library-group + .qpal-shared-library-group {
  margin-top: 9px;
}

.qpal-shared-library-group-toggle {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--border-subtle, rgba(120, 120, 120, 0.26));
  border-radius: 12px;
  background: var(--surface-elevated, rgba(255, 255, 255, 0.06));
  color: var(--text-primary, #1f1f1f);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.16s ease, background 0.16s ease;
}

.qpal-shared-library-group-toggle:hover,
.qpal-shared-library-group-toggle:focus-visible {
  border-color: rgba(242, 106, 61, 0.54);
  border-color: color-mix(in srgb, var(--accent-coral, #f26a3d) 54%, transparent);
  background: var(--surface-muted, rgba(255, 255, 255, 0.09));
  outline: none;
}

.qpal-shared-library-group-chevron {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  color: var(--accent-coral, #f26a3d);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  transform: rotate(0deg);
  transform-origin: 50% 50%;
  transition: transform 0.16s ease;
}

.qpal-shared-library-group-toggle[aria-expanded="true"] .qpal-shared-library-group-chevron {
  transform: rotate(90deg);
}

.qpal-shared-library-group-toggle strong {
  min-width: 0;
  overflow: hidden;
  color: inherit;
  font-size: calc(11px * var(--quiz-font-scale, 1));
  font-weight: 900;
  letter-spacing: 0.035em;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.qpal-shared-library-group-count {
  display: inline-grid;
  place-items: center;
  min-width: 28px;
  min-height: 26px;
  padding: 3px 8px;
  border: 1px solid var(--border-subtle, rgba(120, 120, 120, 0.24));
  border-radius: 999px;
  background: var(--surface-muted, rgba(0, 0, 0, 0.04));
  color: var(--text-secondary, #666);
  font-size: calc(9px * var(--quiz-font-scale, 1));
  font-weight: 900;
  line-height: 1;
}

.qpal-shared-library-group-body {
  display: grid;
  gap: 9px;
  min-width: 0;
}

.qpal-shared-library-group-body[hidden] {
  display: none !important;
}

/* Admin: group manager stays inside the existing Manage Shared Library dialog. */
.qpal-library-groups-manage-button.is-active {
  border-color: var(--accent-coral, #f26a3d);
  color: var(--accent-coral, #f26a3d);
}

.qpal-library-groups-admin-panel {
  display: grid;
  gap: 14px;
  margin: 12px 0 16px;
  padding: 15px;
  border: 1px solid var(--border-subtle, rgba(120, 120, 120, 0.25));
  border-radius: 14px;
  background: var(--surface-muted, rgba(255, 255, 255, 0.035));
}

.qpal-library-groups-admin-panel[hidden] {
  display: none !important;
}

.qpal-library-groups-admin-heading span {
  display: block;
  margin-bottom: 4px;
  color: var(--accent-coral, #f26a3d);
  font-size: calc(9px * var(--quiz-font-scale, 1));
  font-weight: 900;
  letter-spacing: 0.12em;
}

.qpal-library-groups-admin-heading h3 {
  margin: 0;
  color: var(--text-primary, #1f1f1f);
  font-size: calc(16px * var(--quiz-font-scale, 1));
  line-height: 1.2;
}

.qpal-library-groups-admin-heading p {
  margin: 6px 0 0;
  color: var(--text-secondary, #707070);
  font-size: calc(10px * var(--quiz-font-scale, 1));
  line-height: 1.5;
}

.qpal-library-groups-admin-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
}

.qpal-library-groups-admin-tabs button {
  min-width: 0;
  min-height: 40px;
  padding: 8px 7px;
  border: 1px solid var(--border-subtle, rgba(120, 120, 120, 0.26));
  border-radius: 10px;
  background: var(--surface-elevated, rgba(255, 255, 255, 0.05));
  color: var(--text-secondary, #666);
  font: inherit;
  font-size: calc(9px * var(--quiz-font-scale, 1));
  font-weight: 900;
  cursor: pointer;
}

.qpal-library-groups-admin-tabs button.is-active {
  border-color: var(--accent-coral, #f26a3d);
  background: rgba(242, 106, 61, 0.1);
  background: color-mix(in srgb, var(--accent-coral, #f26a3d) 10%, transparent);
  color: var(--accent-coral, #f26a3d);
}

.qpal-library-groups-create-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.qpal-library-groups-create-row input,
.qpal-library-group-admin-row input,
.qpal-library-group-assignment-row select {
  min-width: 0;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--border-subtle, rgba(120, 120, 120, 0.28));
  border-radius: 10px;
  background: var(--surface-elevated, #fff);
  color: var(--text-primary, #1f1f1f);
  font: inherit;
  font-size: calc(10px * var(--quiz-font-scale, 1));
  outline: none;
}

.qpal-library-groups-create-row input:focus,
.qpal-library-group-admin-row input:focus,
.qpal-library-group-assignment-row select:focus {
  border-color: var(--accent-coral, #f26a3d);
}

.qpal-library-groups-admin-list,
.qpal-library-groups-assignment-list {
  display: grid;
  gap: 8px;
}

.qpal-library-group-admin-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--border-subtle, rgba(120, 120, 120, 0.22));
  border-radius: 11px;
  background: var(--surface-elevated, rgba(255, 255, 255, 0.045));
}

.qpal-library-group-order {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(242, 106, 61, 0.1);
  background: color-mix(in srgb, var(--accent-coral, #f26a3d) 10%, transparent);
  color: var(--accent-coral, #f26a3d);
  font-size: calc(9px * var(--quiz-font-scale, 1));
  font-weight: 900;
}

.qpal-library-group-order-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.qpal-library-group-order-actions button {
  min-width: 34px;
  min-height: 34px;
  padding: 6px 8px;
  border: 1px solid var(--border-subtle, rgba(120, 120, 120, 0.25));
  border-radius: 9px;
  background: var(--surface-muted, rgba(0, 0, 0, 0.03));
  color: var(--text-primary, #1f1f1f);
  font: inherit;
  font-size: calc(9px * var(--quiz-font-scale, 1));
  font-weight: 900;
  cursor: pointer;
}

.qpal-library-group-order-actions button:disabled {
  opacity: 0.38;
  cursor: default;
}

.qpal-library-group-order-actions button.is-delete {
  border-color: rgba(239, 68, 68, 0.35);
  color: #d84c4c;
}

.qpal-library-groups-assignment-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  padding-top: 2px;
}

.qpal-library-groups-assignment-heading strong {
  color: var(--text-primary, #1f1f1f);
  font-size: calc(11px * var(--quiz-font-scale, 1));
  font-weight: 900;
}

.qpal-library-groups-assignment-heading span {
  color: var(--text-secondary, #777);
  font-size: calc(9px * var(--quiz-font-scale, 1));
}

.qpal-library-group-assignment-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, 0.52fr);
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border: 1px solid var(--border-subtle, rgba(120, 120, 120, 0.22));
  border-radius: 11px;
  background: var(--surface-elevated, rgba(255, 255, 255, 0.04));
}

.qpal-library-group-assignment-row > span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.qpal-library-group-assignment-row strong {
  overflow: hidden;
  color: var(--text-primary, #1f1f1f);
  font-size: calc(10px * var(--quiz-font-scale, 1));
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.qpal-library-group-assignment-row small {
  color: var(--text-secondary, #777);
  font-size: calc(8.5px * var(--quiz-font-scale, 1));
}

.qpal-library-groups-admin-empty {
  padding: 12px;
  border: 1px dashed var(--border-subtle, rgba(120, 120, 120, 0.3));
  border-radius: 10px;
  color: var(--text-secondary, #777);
  font-size: calc(9px * var(--quiz-font-scale, 1));
  line-height: 1.45;
  text-align: center;
}

.qpal-library-groups-admin-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.qpal-library-groups-admin-message {
  min-height: 18px;
  color: var(--text-secondary, #777);
  font-size: calc(9px * var(--quiz-font-scale, 1));
  font-weight: 700;
  line-height: 1.4;
}

.qpal-library-groups-admin-message.is-success {
  color: #25a878;
}

.qpal-library-groups-admin-message.is-error {
  color: #d84c4c;
}

.dark-mode .qpal-shared-library-group-toggle,
.dark-mode .qpal-library-groups-admin-panel,
.dark-mode .qpal-library-group-admin-row,
.dark-mode .qpal-library-group-assignment-row,
.dark-mode .qpal-library-groups-create-row input,
.dark-mode .qpal-library-group-admin-row input,
.dark-mode .qpal-library-group-assignment-row select {
  color-scheme: dark;
}

@media (max-width: 700px) {
  .qpal-library-groups-admin-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .qpal-library-groups-create-row,
  .qpal-library-group-admin-row,
  .qpal-library-group-assignment-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .qpal-library-group-order {
    display: none;
  }

  .qpal-library-group-order-actions {
    justify-content: stretch;
  }

  .qpal-library-group-order-actions button {
    flex: 1 1 0;
  }

  .qpal-library-groups-assignment-heading,
  .qpal-library-groups-admin-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .qpal-library-groups-admin-footer .admin-btn,
  .qpal-library-groups-create-row .admin-btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .qpal-shared-library-group-chevron,
  .qpal-shared-library-group-toggle {
    transition: none;
  }
}