:root {
  --admin-primary: #6366f1;
  --admin-primary-dark: #4f46e5;
  --admin-surface: #ffffff;
  --admin-surface-muted: #f8fafc;
  --admin-border: #e2e8f0;
  --admin-border-strong: #cbd5f5;
  --admin-text: #0f172a;
  --admin-text-muted: #64748b;
  --admin-success: #10b981;
  --admin-danger: #ef4444;
  --admin-warning: #f59e0b;
  --admin-shadow: 0 20px 45px -35px rgba(15, 23, 42, 0.55);
  --admin-shadow-soft: 0 16px 30px -25px rgba(15, 23, 42, 0.35);
  --card-radius: 1rem;
  --transition-base: 180ms ease;
}

.admin-body {
  margin: 0;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI',
    Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(180deg, #eef2ff 0%, #f8fafc 35%, #f1f5f9 100%);
  color: var(--admin-text);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 16px;
  background: var(--admin-primary);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 0.75rem 0.75rem;
  transition: top var(--transition-base);
  z-index: 10000;
}
.skip-link:focus {
  top: 0;
}

.admin-header {
  padding: 2.5rem clamp(1.5rem, 5vw, 3rem) 2rem;
  background: linear-gradient(135deg, #4338ca 0%, #6366f1 55%, #8b5cf6 100%);
  color: #fff;
  box-shadow: var(--admin-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.admin-header__content {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.admin-title {
  margin: 0.2rem 0;
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.admin-subtitle {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  max-width: 60ch;
  line-height: 1.6;
}

.admin-breadcrumb {
  display: flex;
  gap: 0.5ch;
  align-items: center;
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 500;
}

.breadcrumb-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}
.breadcrumb-link:hover,
.breadcrumb-link:focus {
  border-color: rgba(255, 255, 255, 0.8);
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.admin-button {
  appearance: none;
  border: none;
  border-radius: 0.75rem;
  padding: 0.85rem 1.4rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform var(--transition-base),
    box-shadow var(--transition-base), background var(--transition-base);
  box-shadow: 0 10px 20px -18px rgba(15, 23, 42, 0.8);
  background: #fff;
  color: var(--admin-primary-dark);
}
.admin-button:hover,
.admin-button:focus {
  transform: translateY(-1px);
  box-shadow: 0 12px 22px -18px rgba(15, 23, 42, 0.85);
}

.admin-button--secondary {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  box-shadow: none;
}
.admin-button--muted {
  background: rgba(255, 255, 255, 0.28);
  color: #0f172a;
}
.admin-button--danger {
  background: var(--admin-danger);
  color: #fff;
}

.admin-main {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 6vw, 4rem) 4rem;
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 4vw, 3rem);
}

.card-section {
  background: var(--admin-surface);
  border-radius: var(--card-radius);
  box-shadow: var(--admin-shadow-soft);
  padding: clamp(1.75rem, 4vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  border: 1px solid rgba(99, 102, 241, 0.08);
}

.card-section__header {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  align-items: flex-start;
  justify-content: space-between;
}

.section-description {
  margin: 0.25rem 0 0;
  color: var(--admin-text-muted);
  max-width: 75ch;
  line-height: 1.7;
}

.toggle-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: rgba(15, 23, 42, 0.8);
}
.toggle-input input {
  width: 44px;
  height: 24px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.summary-card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, #ffffff 60%);
  border-radius: 1rem;
  padding: 1.4rem;
  border: 1px solid rgba(99, 102, 241, 0.12);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.summary-card:hover,
.summary-card:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 20px 45px -35px rgba(99, 102, 241, 0.7);
}

.summary-card__title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--admin-text-muted);
}
.summary-card__value {
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 700;
  margin: 0;
}
.summary-card__meta {
  margin: 0;
  color: var(--admin-text-muted);
  font-size: 0.85rem;
}
.summary-card__trend {
  align-self: flex-start;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--admin-success);
}

.section-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 180px;
}
.control__label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--admin-text);
}
.control__input {
  padding: 0.6rem 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(99, 102, 241, 0.25);
  font-size: 0.95rem;
  background: #fff;
  color: var(--admin-text);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.control__input:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.duplicate-group-list {
  display: grid;
  gap: 1.25rem;
}

.duplicate-card {
  border: 1px solid rgba(99, 102, 241, 0.14);
  border-radius: 1rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: linear-gradient(165deg, rgba(99, 102, 241, 0.06) 0%, #ffffff 50%);
  transition: transform var(--transition-base), border-color var(--transition-base),
    box-shadow var(--transition-base);
}
.duplicate-card[data-decision='keep-primary'] {
  border-color: rgba(16, 185, 129, 0.55);
  box-shadow: 0 16px 32px -24px rgba(16, 185, 129, 0.7);
}
.duplicate-card[data-decision='keep-candidate'] {
  border-color: rgba(59, 130, 246, 0.55);
}
.duplicate-card[data-decision='keep-both'] {
  border-color: rgba(99, 102, 241, 0.45);
}
.duplicate-card[data-decision='remove-both'] {
  border-color: rgba(239, 68, 68, 0.6);
  box-shadow: 0 18px 36px -28px rgba(239, 68, 68, 0.75);
}

.duplicate-card__header {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-start;
}

.duplicate-card__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.duplicate-card__meta {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
  color: var(--admin-text-muted);
}

.duplicate-card__confidence {
  display: inline-flex;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--admin-primary-dark);
  gap: 0.35rem;
  align-items: center;
  font-weight: 600;
}
.confidence-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.duplicate-card__body {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.duplicate-entry {
  background: rgba(255, 255, 255, 0.75);
  border-radius: 0.85rem;
  padding: 1rem;
  border: 1px dashed rgba(99, 102, 241, 0.2);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.duplicate-entry__heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}
.duplicate-entry__heading h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}
.duplicate-entry__details {
  margin: 0;
  display: grid;
  gap: 0.4rem;
}
.duplicate-entry__details dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--admin-text-muted);
}
.duplicate-entry__details dd {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
}

.decision-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.duplicate-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.link-button {
  background: none;
  border: none;
  color: var(--admin-primary-dark);
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}
.link-button:hover,
.link-button:focus {
  text-decoration: none;
}

.duplicate-card__notes {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--admin-text-muted);
  font-size: 0.85rem;
}
.duplicate-card__notes li + li {
  margin-top: 0.35rem;
}

.decision-tag {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
}
.badge {
  background: rgba(99, 102, 241, 0.12);
  color: var(--admin-primary-dark);
}
.badge--primary {
  background: rgba(16, 185, 129, 0.15);
  color: var(--admin-success);
}
.badge--candidate {
  background: rgba(59, 130, 246, 0.15);
  color: #2563eb;
}

.pending-wrapper {
  overflow-x: auto;
}

.pending-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.pending-table th,
.pending-table td {
  padding: 0.85rem 0.75rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  font-size: 0.92rem;
  text-align: left;
}
.pending-table tbody tr:hover {
  background: rgba(99, 102, 241, 0.04);
}
.pending-preview {
  width: 60px;
  height: 60px;
  border-radius: 0.5rem;
  object-fit: cover;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
}
.status-dot::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--admin-warning);
}
.status-dot[data-status='flagged']::before {
  background: var(--admin-danger);
}
.status-dot[data-status='clean']::before {
  background: var(--admin-success);
}

.empty-state {
  text-align: center;
  padding: 1.75rem;
  background: rgba(148, 163, 184, 0.12);
  border-radius: 0.85rem;
  margin: 0;
  font-weight: 600;
  color: var(--admin-text-muted);
}

.log-panel {
  background: rgba(15, 23, 42, 0.88);
  color: rgba(255, 255, 255, 0.92);
  padding: 1.1rem 1.25rem;
  border-radius: 0.85rem;
  min-height: 160px;
  max-height: 260px;
  overflow-y: auto;
  display: grid;
  gap: 0.55rem;
  font-size: 0.9rem;
}
.log-entry {
  margin: 0;
  display: grid;
  gap: 0.25rem;
}
.log-entry__meta {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.65);
}
.log-placeholder {
  margin: 0;
  font-style: italic;
  opacity: 0.72;
}

.comparison-dialog {
  border: none;
  border-radius: 1rem;
  padding: 0;
  max-width: 960px;
  width: min(960px, 95vw);
  background: var(--admin-surface);
  box-shadow: 0 40px 70px -40px rgba(15, 23, 42, 0.7);
}
.comparison-dialog::backdrop {
  background: rgba(15, 23, 42, 0.55);
}
.comparison-dialog__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.35rem;
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}
.comparison-dialog__header h2 {
  margin: 0;
  font-size: 1.25rem;
}
.comparison-dialog__close {
  background: none;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  color: var(--admin-text-muted);
}
.comparison-dialog__content {
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
  background: var(--admin-surface-muted);
}
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.comparison-panel {
  background: #fff;
  border-radius: 0.75rem;
  padding: 1rem;
  box-shadow: 0 12px 28px -25px rgba(15, 23, 42, 0.45);
  display: grid;
  gap: 0.75rem;
}
.comparison-panel h3 {
  margin: 0;
  font-size: 1rem;
}
.comparison-meta {
  margin: 0;
  color: var(--admin-text-muted);
  font-size: 0.85rem;
}
.comparison-image {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.25);
  object-fit: cover;
}
.comparison-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .admin-header {
    position: static;
    border-bottom-left-radius: 1.5rem;
    border-bottom-right-radius: 1.5rem;
  }
  .duplicate-card__header {
    flex-direction: column;
    align-items: stretch;
  }
  .duplicate-card__confidence {
    align-self: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}