/*
 * Admin: rail shell
 * Master-detail rail shared by the dashboard's Inbox, Reference Data,
 * Alert Deliveries and Sync tabs.
 */

/* =========================================================================
   Admin rail shell — shared master-detail family used by the Inbox, Reference
   Data, Alert Deliveries, and Sync tabs. Generic by design so future tab
   surfaces can reuse it.
   The Sync tab (vintages-ratings-154) carries live job status, so it layers on
   the optional .admin-rail-item-* pieces below (leading status dot, secondary
   status line, nested-child branch connector). These are additive: the other
   tabs render plain label/count items and ignore them. Sync's detail-pane
   chrome (now-running strip, progress card) lives in admin/_sync.css.
   ========================================================================= */

.admin-rail-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 480px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.admin-rail {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.admin-rail-h {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  color: var(--color-text);
}

.admin-rail-group {
  padding: var(--space-md) var(--space-lg) var(--space-xs);
  font-size: var(--font-size-2xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.admin-rail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background-color 0.1s, border-color 0.1s;
}

.admin-rail-item:hover {
  background: var(--color-bg-hover);
}

.admin-rail-item.selected {
  background: var(--color-bg);
  border-left-color: var(--color-primary);
  font-weight: 600;
  color: var(--color-primary);
}

.admin-rail-item-count {
  background: var(--color-bg-hover);
  color: var(--color-text-light);
  font-size: var(--font-size-2xs);
  font-weight: 700;
  padding: 0 var(--space-sm);
  border-radius: 999px;
  min-width: 22px;
  text-align: center;
}

.admin-rail-item.selected .admin-rail-item-count {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

/* --- Optional status pieces (used by the Sync rail) -----------------------
   An item that carries a leading status dot packs its content to the left
   (dot + stacked name/secondary) instead of spreading label + count apart. */
.admin-rail-item:has(.admin-rail-item-dot) {
  justify-content: flex-start;
}

.admin-rail-item-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-muted);
}

.admin-rail-item.running .admin-rail-item-dot {
  background: var(--color-primary);
  animation: sync-pulse 1.4s ease-in-out infinite;
}

.admin-rail-item.queued .admin-rail-item-dot {
  background: var(--color-info);
}

.admin-rail-item.failed .admin-rail-item-dot {
  background: var(--color-danger);
}

.admin-rail-item-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-rail-item-secondary {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-top: 2px;
}

/* Nested child item (e.g. Products under Releases) with branch-line connector. */
.admin-rail-item.child {
  margin-left: var(--space-xl);
  position: relative;
}

.admin-rail-item.child::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-md));
  top: -2px;
  bottom: 50%;
  width: 14px;
  border-left: 1.5px solid color-mix(in srgb, var(--color-primary) 35%, transparent);
  border-bottom: 1.5px solid color-mix(in srgb, var(--color-primary) 35%, transparent);
  border-bottom-left-radius: 6px;
}

.admin-rail-detail {
  padding: var(--space-lg) var(--space-xl);
  overflow-x: auto;
}

@media (max-width: 767px) {
  .admin-rail-shell {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .admin-rail {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
    overflow-x: auto;
    white-space: nowrap;
  }

  .admin-rail-h,
  .admin-rail-group {
    display: none;
  }

  /* Rail items become a horizontal scrollable strip of pills. */
  .admin-rail-item {
    display: inline-flex;
    border-left: none;
    border-radius: 999px;
    padding: var(--space-sm) var(--space-md);
    margin-right: var(--space-sm);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
  }

  .admin-rail-item.selected {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
  }

  .admin-rail-item.selected .admin-rail-item-count {
    background: color-mix(in srgb, var(--color-text-inverse) 20%, transparent);
    color: var(--color-text-inverse);
  }

  /* Status-bearing pills (Sync) keep just the dot + name; drop the secondary
     line and branch-line connector to stay tight in the horizontal strip. */
  .admin-rail-item-secondary {
    display: none;
  }

  .admin-rail-item.child {
    margin-left: 0;
  }

  .admin-rail-item.child::before {
    display: none;
  }

  .admin-rail-detail {
    padding: var(--space-md);
  }
}