.admin-shell {
  grid-template-columns: minmax(220px, 250px) minmax(0, 1fr);
  gap: clamp(40px, 5vw, 76px);
}

.admin-policy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  border: 1px solid var(--color-border);
  background: var(--color-border);
}

.admin-aside .session-form,
.admin-aside #session-status {
  display: none;
}

.admin-side-nav {
  display: grid;
  gap: 4px;
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.admin-side-nav a {
  display: grid;
  gap: 3px;
  padding: 11px 12px;
  border-radius: var(--radius-control);
  color: var(--color-muted);
  text-decoration: none;
}

.admin-side-nav a:hover {
  color: var(--color-ink);
  background: var(--color-surface);
}

.admin-side-nav a[aria-current="page"] {
  color: var(--color-ink);
  background: var(--color-surface);
  box-shadow: inset 0 0 0 1px var(--color-border);
}

.admin-side-nav span {
  font-size: 13px;
  font-weight: 700;
}

.admin-side-nav small {
  color: var(--color-muted);
  font-size: 10px;
}

.admin-policy div {
  padding: 12px;
  background: var(--color-canvas);
}

.admin-policy dt,
.admin-policy dd {
  margin: 0;
  font-family: var(--font-code);
  font-size: 10px;
}

.admin-policy dt { color: var(--color-muted); }
.admin-policy dd { margin-top: 5px; font-weight: 700; }

.admin-heading {
  align-items: baseline;
}

.admin-heading-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-heading-actions label {
  color: var(--color-muted);
  font-size: 11px;
}

.admin-heading-actions select,
.admin-inline-select,
.admin-limit-input {
  min-height: 38px;
  border: 1px solid var(--color-border-strong);
  border-radius: 8px;
  color: var(--color-ink);
  background: var(--color-canvas);
}

.admin-loading {
  display: grid;
  gap: 1px;
  border: 1px solid var(--color-border);
  background: var(--color-border);
}

.admin-loading span {
  min-height: 76px;
  background: var(--color-surface);
}

@media (prefers-reduced-motion: no-preference) {
  .admin-loading span { animation: admin-pulse 1.4s ease-in-out infinite; }
}

@keyframes admin-pulse {
  50% { background: #eef2f7; }
}

.admin-empty {
  padding: 54px 20px;
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.admin-empty h3 { margin: 0; font-size: 17px; }
.admin-empty p { margin: 8px 0 0; color: var(--color-muted); font-size: 13px; }

.admin-forbidden {
  max-width: 620px;
  padding: 42px 0;
  border-block: 1px solid var(--color-border);
}

.admin-forbidden__code {
  color: var(--color-error);
  font-family: var(--font-code);
  font-size: 12px;
  font-weight: 700;
}

.admin-forbidden h3 {
  margin: 12px 0 0;
  font-size: 22px;
  letter-spacing: -0.025em;
}

.admin-forbidden p {
  max-width: 58ch;
  margin: 10px 0 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.6;
}

.admin-forbidden code {
  color: var(--color-ink);
  font-family: var(--font-code);
  font-size: 12px;
}

.admin-forbidden__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.admin-forbidden__actions a {
  text-decoration: none;
}

.admin-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--color-border);
}

.admin-metrics div {
  min-width: 0;
  padding: 18px 20px 20px 0;
}

.admin-metrics div:nth-child(3n + 2),
.admin-metrics div:nth-child(3n + 3) {
  padding-left: 20px;
  border-left: 1px solid var(--color-border);
}

.admin-metrics div:nth-child(n + 4) {
  border-top: 1px solid var(--color-border);
}

.admin-metrics span {
  display: block;
  color: var(--color-muted);
  font-family: var(--font-code);
  font-size: 10px;
}

.admin-metrics strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.04em;
}

.admin-section {
  padding-top: 28px;
}

.admin-section-heading {
  min-height: 46px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.admin-section-heading h3 {
  margin: 0;
  font-size: 16px;
}

.admin-section-heading p {
  margin: 5px 0 0;
  color: var(--color-muted);
  font-size: 12px;
}

.admin-section-heading code {
  color: var(--color-muted);
  font-size: 10px;
}

.infrastructure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--color-border);
}

.infrastructure-service {
  min-width: 0;
  padding: 18px;
}

.infrastructure-service:nth-child(even) {
  border-left: 1px solid var(--color-border);
}

.infrastructure-service:nth-child(n + 3) {
  border-top: 1px solid var(--color-border);
}

.infrastructure-service__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.infrastructure-service h4 {
  margin: 0;
  font-size: 14px;
}

.infrastructure-status {
  color: var(--color-muted);
  font-family: var(--font-code);
  font-size: 9px;
  font-weight: 700;
}

.infrastructure-status.is-available {
  color: var(--color-accent);
}

.infrastructure-status.is-unavailable {
  color: var(--color-error);
}

.infrastructure-service dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 18px 0 0;
}

.infrastructure-service dt {
  color: var(--color-muted);
  font-family: var(--font-code);
  font-size: 10px;
}

.infrastructure-service dd {
  margin: 6px 0 0;
  overflow: hidden;
  font-family: var(--font-code);
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.latency-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--color-border);
  background: var(--color-border);
}

.latency-grid div {
  padding: 16px;
  background: var(--color-canvas);
}

.latency-grid dt {
  color: var(--color-muted);
  font-family: var(--font-code);
  font-size: 10px;
}

.latency-grid dd {
  margin: 8px 0 0;
  font-size: 22px;
  font-weight: 700;
}

.admin-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}

.admin-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--color-border);
}

[data-admin-section="operations"] .admin-tabs {
  margin-top: 4px;
}

.admin-tab {
  min-height: 40px;
  padding: 0 12px;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--color-muted);
  background: transparent;
  white-space: nowrap;
  cursor: pointer;
}

.admin-tab.is-active {
  border-bottom-color: var(--color-accent);
  color: var(--color-ink);
}

.admin-data-table {
  min-width: 760px;
}

#operations-table-wrap {
  max-width: 100%;
  overflow-x: auto;
}

.admin-data-table.is-tier-table {
  width: 100%;
  min-width: 1560px;
  table-layout: fixed;
}

.admin-data-table.is-tier-table th:nth-child(1) { width: 130px; }
.admin-data-table.is-tier-table th:nth-child(2) { width: 120px; }
.admin-data-table.is-tier-table th:nth-child(3) { width: 150px; }
.admin-data-table.is-tier-table th:nth-child(4) { width: 140px; }
.admin-data-table.is-tier-table th:nth-child(5) { width: 150px; }
.admin-data-table.is-tier-table th:nth-child(6) { width: 150px; }
.admin-data-table.is-tier-table th:nth-child(7) { width: 540px; }
.admin-data-table.is-tier-table th:nth-child(8) { width: 110px; }

.admin-data-table.is-tier-table td:last-child {
  position: relative;
  z-index: 1;
  background: var(--color-canvas);
}

.admin-inline-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-inline-select,
.admin-limit-input {
  max-width: min(100%, 140px);
}

.admin-price-input {
  max-width: min(100%, 110px);
}

.admin-feature-editor {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.admin-feature-chips {
  min-height: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.admin-feature-chip {
  min-height: 28px;
  padding: 3px 8px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 24%, var(--color-border));
  border-radius: 999px;
  color: var(--color-ink);
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-canvas));
  font: 600 11px/1.3 var(--font-code);
  cursor: pointer;
}

.admin-feature-chip:disabled {
  cursor: default;
  opacity: 0.72;
}

.admin-feature-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.admin-feature-input {
  width: 100%;
  min-width: 0;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  color: var(--color-ink);
  background: var(--color-canvas);
  font: 12px/1 var(--font-code);
}

.admin-feature-input:focus-visible {
  border-color: var(--color-accent);
}

.admin-feature-add {
  flex: 0 0 auto;
  min-height: 38px;
}

.admin-create-tier td {
  background: color-mix(in srgb, var(--color-accent) 5%, transparent);
  border-bottom-color: color-mix(in srgb, var(--color-accent) 24%, transparent);
}

.admin-create-tier .admin-limit-input {
  border-style: dashed;
}

.admin-create-tier .admin-feature-input {
  border-style: dashed;
}

.admin-inline-button {
  min-height: 36px;
  padding-inline: 12px;
}

.operations-empty {
  padding: 34px 0;
  color: var(--color-muted);
  font-size: 13px;
}

.audit-settings-panel {
  max-width: 720px;
  padding-top: 28px;
}

.audit-settings-panel h3 {
  margin: 0;
  font-size: 16px;
}

.audit-settings-panel > div > p {
  margin: 6px 0 0;
  color: var(--color-muted);
  font-size: 12px;
}

.audit-settings-panel form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
}

.audit-settings-panel input {
  min-height: 44px;
  padding: 0 12px;
}

.audit-settings-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-settings-wide {
  grid-column: 1 / -1;
}

.audit-secondary {
  display: block;
  margin-top: 4px;
  overflow-wrap: anywhere;
  color: var(--color-muted);
  font-size: 10px;
}

.admin-state {
  color: var(--color-muted);
  font-family: var(--font-code);
  font-size: 10px;
  font-weight: 700;
}

.admin-state.is-ok { color: var(--color-accent); }

@media (max-width: 1040px) {
  .admin-split { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-aside { position: static; }
  .admin-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-metrics div:nth-child(n) { padding: 16px; border: 0; border-top: 1px solid var(--color-border); }
  .admin-metrics div:nth-child(2n) { border-left: 1px solid var(--color-border); }
  .admin-data-table.is-tier-table {
    min-width: 0;
    table-layout: auto;
  }
  .admin-data-table.is-tier-table td:last-child {
    background: inherit;
  }
  .admin-feature-editor {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .admin-heading-actions { width: 100%; display: grid; grid-template-columns: 1fr; }
  .admin-heading-actions .button { width: 100%; }
  .admin-metrics,
  .latency-grid,
  .infrastructure-grid { grid-template-columns: 1fr; }
  .admin-metrics div:nth-child(n) { border-left: 0; }
  .infrastructure-service:nth-child(n) { border-left: 0; border-top: 1px solid var(--color-border); }
  .infrastructure-service:first-child { border-top: 0; }
  .admin-forbidden__actions .button { width: 100%; }
  .audit-settings-panel form { grid-template-columns: 1fr; }
  .audit-settings-actions { align-items: stretch; flex-direction: column; }
}