/* Admin console shell — left nav, topbar, work area.
   Desktop 1440 (>=1280px) is the default (mobile-first would not apply here since
   phones are out of scope — the >=768px tablet layout is the "collapsed" baseline
   and >=1280px desktop is the override, per README-admin.md §1 breakpoint table). */

.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ---------- Nav ---------- */
.admin-nav {
  flex: none;
  width: var(--a-nav-width-collapsed);
  background: var(--a-surface-nav);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-nav__brand {
  padding: var(--a-space-4);
  border-bottom: 1px solid var(--a-surface-nav-border);
  display: flex;
  align-items: center;
  gap: var(--a-space-2);
  min-height: 64px;
}

.admin-nav__brand img {
  flex: none;
  height: 20px;
  width: auto;
}

.admin-nav__product {
  display: none;
  font-size: var(--a-font-size-body-sm);
  font-weight: var(--a-weight-medium);
  color: var(--a-text-inverse);
  line-height: 1.4;
}

.admin-nav__groups {
  padding: var(--a-space-3) 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.admin-nav__label {
  display: none;
  padding: var(--a-space-2) var(--a-space-5);
  font-size: var(--a-font-size-eyebrow);
  letter-spacing: var(--a-letter-spacing-eyebrow);
  color: var(--a-text-nav-label);
  text-transform: none;
}

.admin-nav__groups ul {
  display: flex;
  flex-direction: column;
}

.admin-nav__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--a-space-2);
  min-height: var(--a-min-hit);
  padding: var(--a-space-2);
  color: var(--a-text-nav);
  font-size: var(--a-font-size-body);
  position: relative;
}

.admin-nav__item svg {
  flex: none;
  width: 17px;
  height: 17px;
}

.admin-nav__item-label {
  display: none;
}

.admin-nav__count {
  display: none;
}

.admin-nav__item:hover {
  background: var(--a-surface-nav-hover);
  color: var(--a-text-inverse);
}

.admin-nav__item:focus-visible {
  outline: 2px solid var(--a-focus-ring);
  outline-offset: -2px;
}

.admin-nav__item[aria-current="page"] {
  background: var(--a-surface-nav-active);
  color: var(--a-text-inverse);
}

/* Roadmap placeholders — named in the requirements/design spec but not built
   in this demo. Plain <span>, not a link/button: nothing here is a disabled
   *control*, it's inert labelled content, so there's no role to fake and no
   focus stop to suppress. aria-disabled is just a hint for AT on top of that,
   not load-bearing. See demo/README.md for the spec citations. */
.admin-nav__item--disabled {
  opacity: .5;
  cursor: not-allowed;
}
.admin-nav__item--disabled:hover,
.admin-nav__item--disabled:focus-visible {
  background: none;
  color: var(--a-text-nav);
  outline: none;
}
.admin-nav__item-tag {
  display: none;
}

.admin-nav__health-dot {
  position: absolute;
  top: 6px;
  right: 10px;
  width: 7px;
  height: 7px;
  border-radius: var(--a-radius-round);
  background: var(--a-health-degraded);
}

.admin-nav__user {
  margin-top: auto;
  padding: var(--a-space-4) var(--a-space-2);
  border-top: 1px solid var(--a-surface-nav-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--a-space-2);
}

.admin-nav__oncall {
  display: none;
  font-size: var(--a-font-size-caption);
  color: var(--a-text-nav-brand);
}

.admin-nav__person {
  display: flex;
  align-items: center;
  gap: var(--a-space-2);
}

.admin-nav__person-name {
  display: none;
}

.avatar {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: var(--a-radius-round);
  background: var(--a-avatar-bg);
  color: var(--a-text-inverse);
  font-size: 11.5px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Main column ---------- */
.admin-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  height: var(--a-topbar-height);
  flex: none;
  background: var(--a-surface-raised);
  border-bottom: 1px solid var(--a-border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--a-space-4);
  padding-inline: var(--a-space-4);
  position: sticky;
  top: 0;
  z-index: var(--a-z-topbar);
}

.admin-topbar__left,
.admin-topbar__right {
  display: flex;
  align-items: center;
  gap: var(--a-space-3);
  min-width: 0;
}

.branch-switcher {
  display: inline-flex;
  align-items: center;
  gap: var(--a-space-2);
  min-height: 36px;
  padding: 0 var(--a-space-3);
  border: 1px solid var(--a-border-default);
  border-radius: var(--a-radius-control);
  font-size: var(--a-font-size-body-sm);
  background: var(--a-surface-raised);
  color: var(--a-text-primary);
}

.branch-switcher svg {
  flex: none;
  width: 14px;
  height: 14px;
  color: var(--a-text-secondary);
}

.service-hours {
  display: inline-flex;
  align-items: center;
  gap: var(--a-space-2);
  font-size: var(--a-font-size-meta);
  /* --a-status-resolved-fg, not --a-health-ok — the latter is a dot/bar
     token (2.9:1–5:1 depending on the state), the former is the text token
     verified to meet 4.5:1 on a white surface. */
  color: var(--a-status-resolved-fg);
  white-space: nowrap;
}

.service-hours[data-active="false"] {
  color: var(--a-text-secondary);
}

.service-hours .dot {
  width: 7px;
  height: 7px;
  border-radius: var(--a-radius-round);
  background: currentColor;
}

.badge-demo-data {
  padding: 7px 11px;
  background: var(--a-status-stale-bg);
  border: 1px solid var(--a-status-stale-border);
  border-radius: var(--a-radius-control);
  font-size: var(--a-font-size-chip);
  color: var(--a-status-stale-fg);
  white-space: nowrap;
}

.topbar-search {
  display: none;
}

.topbar-search input {
  width: 210px;
  padding: var(--a-space-2) var(--a-space-3);
  border: 1px solid var(--a-border-default);
  border-radius: var(--a-radius-control);
  font-size: var(--a-font-size-meta);
  background: var(--a-surface-raised);
}

.topbar-search input::placeholder {
  color: var(--a-text-disabled);
}

.user-menu-trigger {
  width: 32px;
  height: 32px;
  border-radius: var(--a-radius-round);
  background: var(--a-surface-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--a-text-strong-alt);
}

.admin-work {
  flex: 1;
  min-width: 0;
  padding: var(--a-pad-work-area-tablet);
  display: flex;
  flex-direction: column;
  gap: var(--a-gap-section);
}

/* ---------- Tablet 768–1279px baseline ---------- */
.admin-nav__item-label {
  display: none;
}

.admin-nav__item:hover .admin-nav__item-label,
.admin-nav__item:focus-visible .admin-nav__item-label {
  display: inline;
  position: absolute;
  left: calc(100% + var(--a-space-2));
  top: 50%;
  transform: translateY(-50%);
  background: var(--a-surface-nav);
  color: var(--a-text-inverse);
  padding: var(--a-space-2) var(--a-space-3);
  border-radius: var(--a-radius-control);
  white-space: nowrap;
  box-shadow: var(--a-shadow-dropdown);
  z-index: var(--a-z-dropdown);
}

/* ---------- Desktop 1440, >=1280px ---------- */
@media (min-width: 1280px) {
  .admin-nav {
    width: var(--a-nav-width);
  }

  .admin-nav__brand {
    justify-content: flex-start;
    padding: 18px 18px 16px;
  }

  .admin-nav__product {
    display: block;
  }

  .admin-nav__label {
    display: block;
  }

  .admin-nav__item {
    justify-content: flex-start;
    padding: 11px 18px;
  }

  .admin-nav__item-label {
    display: inline-block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: middle;
  }

  .admin-nav__item:hover .admin-nav__item-label,
  .admin-nav__item:focus-visible .admin-nav__item-label {
    position: static;
    transform: none;
    background: none;
    padding: 0;
    box-shadow: none;
  }

  .admin-nav__count {
    display: inline-flex;
    margin-left: auto;
    font-family: var(--a-font-mono-label);
    font-weight: var(--a-weight-semibold);
    font-size: var(--a-font-size-micro);
    background: var(--a-text-inverse);
    color: var(--a-action-primary);
    padding: 2px 7px;
    border-radius: var(--a-radius-round);
  }

  .admin-nav__item[aria-current="page"] .admin-nav__count {
    background: var(--a-text-inverse);
    color: var(--a-action-primary);
  }

  .admin-nav__item-tag {
    display: inline-flex;
    flex: none;
    margin-left: auto;
    font-size: var(--a-font-size-micro);
    color: var(--a-text-nav-label);
    border: 1px solid var(--a-surface-nav-border);
    padding: 1px 6px;
    border-radius: var(--a-radius-round);
    white-space: nowrap;
  }

  .admin-nav__item:not([aria-current="page"]) .admin-nav__count {
    background: none;
    color: var(--a-text-nav-brand);
  }

  .admin-nav__user {
    align-items: stretch;
    padding: var(--a-space-4) var(--a-space-5);
  }

  .admin-nav__oncall {
    display: block;
  }

  .admin-nav__person-name {
    display: inline;
    font-size: var(--a-font-size-body-sm);
    color: var(--a-text-inverse);
  }

  .admin-topbar {
    padding-inline: var(--a-space-6);
  }

  .topbar-search {
    display: block;
  }

  .admin-work {
    padding: var(--a-pad-work-area);
  }
}