.admin-page {
  max-width: 1200px;
  margin: 0 auto;
}

.admin-page__header {
  margin-bottom: var(--space-8);
}

.admin-page__title {
  font-size: var(--text-display);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.admin-page__subtitle {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
}

.admin-page__shortcut-hint {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

.admin-page__shortcut-hint kbd {
  display: inline-block;
  padding: 1px 6px;
  font-size: var(--text-tiny);
  font-family: var(--font-mono);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.admin-page__sections {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.admin-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.admin-section__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-primary);
}

.admin-section__header svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.admin-section__title {
  font-size: var(--text-heading);
  font-weight: 600;
}

.admin-section__desc {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  line-height: 1.5;
  margin-top: calc(-1 * var(--space-2));
}

.admin-criteria-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 200ms ease, border-color 200ms ease;
}

.admin-criteria-card:hover {
  box-shadow: var(--shadow-md);
}

.admin-criteria-card--dirty {
  border-left: 3px solid var(--color-warning);
}

.admin-criteria-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  user-select: none;
  gap: var(--space-3);
}

.admin-criteria-card__header:hover {
  background: #F1F5F9;
}

.admin-criteria-card__title-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  min-width: 0;
}

.admin-criteria-card__title {
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.admin-criteria-card__dirty-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-warning);
  flex-shrink: 0;
  display: none;
}

.admin-criteria-card--dirty .admin-criteria-card__dirty-dot {
  display: block;
}

.admin-criteria-card__meta {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.admin-criteria-card__chevron {
  transition: transform 200ms ease;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.admin-criteria-card--expanded .admin-criteria-card__chevron {
  transform: rotate(180deg);
}

.admin-criteria-card__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}

.admin-criteria-card--expanded .admin-criteria-card__body {
  max-height: 600px;
}

.admin-criteria-card__body-inner {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.admin-criteria-card__actions {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-primary);
}

.admin-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.admin-field__label {
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-text-primary);
}

.admin-field__help {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  line-height: 1.4;
}

.admin-field__input,
.admin-field__textarea {
  margin-top: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-body);
  font-family: var(--font-family);
  color: var(--color-text-primary);
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 150ms ease, box-shadow 150ms ease;
  width: 100%;
  box-sizing: border-box;
}

.admin-field__input:focus,
.admin-field__textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.admin-field--error .admin-field__input,
.admin-field--error .admin-field__textarea {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.admin-field__error {
  font-size: var(--text-small);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.admin-field__textarea {
  resize: vertical;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  line-height: 1.5;
}

.admin-field__checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-1);
}

.admin-field__checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-body);
  color: var(--color-text-primary);
  cursor: pointer;
}

.admin-field__checkbox-label input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
}

/* Preview Panel */
.admin-preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.admin-preview__summary {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

@media (max-width: 1024px) {
  .admin-preview__summary {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .admin-preview__summary {
    grid-template-columns: 1fr 1fr;
  }
}

.admin-preview__card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.admin-preview__card-title {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.3;
}

.admin-preview__card-counts {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.admin-preview__card-count {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-small);
}

.admin-preview__card-count-label {
  color: var(--color-text-tertiary);
}

.admin-preview__card-count-value {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.admin-preview__card-count-value--recommended {
  color: var(--color-success);
}

.admin-preview__card-count-value--available {
  color: var(--color-primary-light);
}

.admin-preview__card-count-value--unavailable {
  color: var(--color-text-tertiary);
}

.admin-preview__bar {
  height: 6px;
  border-radius: 3px;
  background: var(--color-bg-primary);
  overflow: hidden;
  display: flex;
}

.admin-preview__bar-segment {
  height: 100%;
  transition: width 300ms ease;
}

.admin-preview__bar-segment--recommended {
  background: var(--color-success);
}

.admin-preview__bar-segment--available {
  background: var(--color-primary-light);
}

.admin-preview__bar-segment--unavailable {
  background: #E2E8F0;
}

.admin-preview__comparison {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-small);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.admin-preview__comparison-icon {
  flex-shrink: 0;
  color: var(--color-warning);
}

.admin-preview__comparison-text {
  color: #92400E;
  line-height: 1.5;
}

.admin-preview__delta--positive {
  color: var(--color-success);
  font-weight: 600;
}

.admin-preview__delta--negative {
  color: var(--color-error);
  font-weight: 600;
}

.admin-preview__delta--neutral {
  color: var(--color-text-tertiary);
}

.admin-preview__search {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.admin-preview__search-input {
  flex: 1;
  max-width: 360px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-body);
  font-family: var(--font-family);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  transition: border-color 150ms ease;
}

.admin-preview__search-input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.admin-preview__search-result {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.admin-preview__search-result-header {
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-text-primary);
}

.admin-preview__search-result-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

@media (max-width: 1024px) {
  .admin-preview__search-result-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .admin-preview__search-result-grid {
    grid-template-columns: 1fr;
  }
}

.admin-preview__search-result-item {
  padding: var(--space-3) var(--space-4);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.admin-preview__search-result-item:last-child {
  border-right: none;
}

.admin-preview__search-result-scenario {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-text-primary);
}

.admin-preview__search-result-status {
  font-size: var(--text-small);
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
  width: fit-content;
}

.admin-preview__search-result-status--recommended {
  background: rgba(5, 150, 105, 0.1);
  color: var(--color-success);
}

.admin-preview__search-result-status--available {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary-light);
}

.admin-preview__search-result-status--unavailable {
  background: rgba(148, 163, 184, 0.1);
  color: var(--color-text-tertiary);
}

.admin-preview__search-result-reason {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  line-height: 1.4;
}

/* Preview Tabs + Table */
.admin-preview__tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
}

.admin-preview__tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-tertiary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease;
  white-space: nowrap;
}

.admin-preview__tab:hover {
  color: var(--color-text-secondary);
}

.admin-preview__tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.admin-preview__table-wrap {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.admin-preview__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-small);
}

.admin-preview__table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.admin-preview__table td {
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}

.admin-preview__table tr:last-child td {
  border-bottom: none;
}

.admin-preview__table-status {
  font-size: var(--text-small);
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.admin-preview__table-status--recommended {
  background: rgba(5, 150, 105, 0.1);
  color: var(--color-success);
}

.admin-preview__table-status--available {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary-light);
}

/* System Controls */
.admin-control-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.admin-control-card--danger {
  border-color: #FECACA;
}

.admin-control-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.admin-control-card__header svg {
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.admin-control-card__title {
  font-size: var(--text-subheading);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.admin-control-card__desc {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.admin-control-card__stats {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-4);
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
}

.admin-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.admin-stat__value {
  font-size: var(--text-heading);
  font-weight: 700;
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
}

.admin-stat__label {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
}

.admin-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 600ms linear infinite;
}