.admin-dashboard-shell {
  display: grid;
  gap: 14px;
}

.admin-category-nav,
.admin-subnav {
  display: grid;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 253, 249, 0.9);
}

.admin-category-nav {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  position: sticky;
  top: 8px;
  z-index: 20;
  box-shadow: 0 12px 30px -26px rgba(45, 29, 24, 0.9);
  backdrop-filter: blur(14px);
}

.admin-subnav {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 12px;
}

.admin-category-button,
.admin-subnav-button {
  min-width: 0;
  border: 0;
  border-radius: 11px;
  cursor: pointer;
  color: var(--text-muted);
  background: transparent;
  font: inherit;
  font-weight: 800;
  line-height: 1.2;
  transition: color 150ms ease, background 150ms ease, box-shadow 150ms ease;
}

.admin-category-button {
  min-height: 48px;
  padding: 10px 8px;
  font-size: 0.82rem;
}

.admin-subnav-button {
  min-height: 42px;
  padding: 9px 8px;
  font-size: 0.78rem;
}

.admin-category-button.is-active,
.admin-subnav-button.is-active {
  color: var(--primary);
  background: var(--primary-soft);
  box-shadow: inset 0 0 0 1px rgba(122, 31, 43, 0.14);
}

.admin-category-button:focus-visible,
.admin-subnav-button:focus-visible {
  outline: 3px solid rgba(169, 59, 76, 0.18);
  outline-offset: 2px;
}

.admin-category-panel,
.admin-subview {
  min-width: 0;
}

.admin-category-panel[hidden],
.admin-subview[hidden] {
  display: none !important;
}

.admin-dashboard-shell .card {
  box-shadow: 0 14px 34px -30px rgba(45, 29, 24, 0.65);
}

.admin-dashboard-shell .section-title {
  font-size: clamp(1.35rem, 5vw, 1.65rem);
}

.admin-dashboard-shell .section-lead {
  margin-bottom: 18px;
}

#admin-slots-card .admin-slot-form,
#admin-hours-card .admin-hours-window {
  padding: 14px;
}

#admin-slots-card .admin-slot-form h3 {
  margin-bottom: 10px;
}

#admin-slots-card .admin-slot-form .actions,
#admin-hours-card .admin-hours-window .actions {
  margin-top: 12px;
}

#admin-slots-card .admin-slot-form .secondary-button,
#admin-hours-card .admin-hours-window .secondary-button {
  min-height: 42px;
  padding: 9px 14px;
}

.admin-history-block {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.admin-history-toggle {
  min-height: 40px;
  padding: 8px 0;
  border: 0;
  cursor: pointer;
  color: var(--primary);
  background: transparent;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
}

.admin-history-panel {
  margin-top: 10px;
}

.admin-history-panel[hidden] {
  display: none !important;
}

.admin-history-loading,
.admin-history-empty,
.admin-history-actor {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.admin-history-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.admin-history-item {
  position: relative;
  padding: 12px 12px 12px 16px;
  border-left: 3px solid rgba(122, 31, 43, 0.28);
  border-radius: 0 10px 10px 0;
  background: rgba(255, 253, 249, 0.72);
}

.admin-history-head {
  display: flex;
  gap: 10px;
  align-items: baseline;
  justify-content: space-between;
}

.admin-history-head strong {
  font-size: 0.86rem;
}

.admin-history-head span {
  flex: 0 0 auto;
  color: var(--text-muted);
  font-size: 0.72rem;
}

.admin-history-actor {
  margin-top: 3px;
}

.admin-history-details {
  display: grid;
  gap: 4px;
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.45;
}

@media (max-width: 520px) {
  .admin-category-nav {
    top: 4px;
  }

  .admin-category-button {
    min-height: 44px;
    padding: 8px 5px;
    font-size: 0.74rem;
  }

  .admin-subnav-button {
    font-size: 0.72rem;
  }

  .admin-dashboard-shell .card {
    padding: 18px;
  }

  #admin-slots-card .admin-slot-form .two-columns,
  #admin-hours-card .admin-hours-window .two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  #admin-slots-card .admin-slot-form input,
  #admin-hours-card .admin-hours-window input {
    min-height: 44px;
  }

  .admin-history-head {
    flex-direction: column;
    gap: 2px;
    align-items: flex-start;
  }
}