/* ============================================================
RosterDive DS — Component: User Avatar Menu
Bottone avatar (iniziale utente) mostrato nel footer della
sidebar (espansa e rail) e del drawer mobile. Al click apre un
popover con: profilo, lingua, tema, logout.

Il popover è appeso a document.body (pattern "portal") e
posizionato via JS con position:fixed, per non essere tagliato
dall'overflow:hidden della sidebar (sidebar.css).

Token: --color-primary, --color-on-primary, --color-surface,
       --color-surface-container, --color-border, --color-text-primary,
       --color-text-secondary, --z-dropdown, --radius-medium,
       --space-1, --space-2, --space-3, --font-label-large,
       --font-body-medium, --weight-medium, --weight-bold
============================================================ */

/* ── Bottone avatar (iniziale) ── */
.user-avatar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  min-width: 32px;
  min-height: 32px;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-family-primary);
  font-size: var(--font-label-large);
  font-weight: var(--weight-bold);
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: filter var(--motion-fast) var(--ease-standard);
}

.user-avatar-btn:hover {
  filter: brightness(0.92);
}

.user-avatar-btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.user-avatar-btn[aria-expanded="true"] {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* ── Avatar con foto (sostituisce l'iniziale quando l'utente ne ha una) ── */
.user-avatar-btn--photo {
  background: var(--color-surface-container);
  padding: 0;
  overflow: hidden;
}

.user-avatar-btn__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

/* ── Popover (appeso a document.body, posizionato via JS) ── */
.user-avatar-menu {
  position: fixed;
  z-index: var(--z-dropdown);
  min-width: 12.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.16);
  padding: var(--space-2);
  display: none;
}

.user-avatar-menu--open {
  display: block;
}

.user-avatar-menu__section-label {
  padding: var(--space-2) var(--space-3) var(--space-1);
  font-size: var(--font-body-medium);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.user-avatar-menu__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: none;
  border-radius: var(--radius-medium);
  background: none;
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
  font-size: var(--font-body-medium);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  box-sizing: border-box;
}

.user-avatar-menu__item:hover,
.user-avatar-menu__item:focus-visible {
  background: var(--color-surface-container);
}

.user-avatar-menu__item:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
}

.user-avatar-menu__item-icon {
  font-size: var(--font-title-medium);
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.user-avatar-menu__item--active {
  color: var(--color-primary);
  font-weight: var(--weight-medium);
}

.user-avatar-menu__item--active .user-avatar-menu__item-icon {
  color: var(--color-primary);
}

.user-avatar-menu__item-check {
  margin-left: auto;
  font-size: var(--font-title-medium);
  color: var(--color-primary);
}

.user-avatar-menu__divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2) var(--space-1);
  border: none;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .user-avatar-btn {
    transition: none;
  }
}