/* =====================================================================
   Opera Populi : en-tête, navigation, menu utilisateur
   ===================================================================== */

/* ---------- En-tête ---------- */
.site-header { position: sticky; top: 0; z-index: var(--z-header); }
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--veil);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; gap: var(--sp-3); min-height: var(--header-h); }
.site-header__actions { display: flex; align-items: center; gap: var(--sp-2); margin-left: auto; min-width: 0; }
@media (max-width: 25rem) {
  .site-header__inner { gap: var(--sp-2); }
  .site-header__actions { gap: .25rem; }
}

/* Navigation membre : pilule dans l'en-tête, barre basse sur mobile */
.main-nav__list {
  display: flex; gap: 2px; padding: 4px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-md);
}
.main-nav__link {
  display: flex; align-items: center; gap: .5rem;
  padding: .45rem .85rem; border-radius: var(--r-sm);
  color: var(--text-muted); font-size: var(--fs-sm); font-weight: var(--fw-semibold);
  text-decoration: none; white-space: nowrap;
  transition: color var(--dur), background-color var(--dur), box-shadow var(--dur);
}
.main-nav__link:hover { color: var(--text); background: var(--surface-3); }
.main-nav__link[aria-current] { color: var(--text); background: var(--surface); box-shadow: var(--shadow-sm), 0 0 0 1px var(--line); }
.main-nav__link[aria-current] .icon { color: var(--accent-text); }
@media (min-width: 60rem) {
  .main-nav { margin-inline: auto; }
}
@media (max-width: 59.99rem) {
  .main-nav {
    position: fixed; inset: auto 0 0; z-index: var(--z-nav);
    padding: .35rem .5rem calc(.35rem + env(safe-area-inset-bottom));
    background: var(--veil);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    backdrop-filter: blur(14px) saturate(1.3);
    border-top: 1px solid var(--line);
    box-shadow: 0 -12px 30px -20px var(--shadow-color-strong);
  }
  .main-nav__list {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .25rem;
    max-width: 32rem; margin-inline: auto; padding: 0; background: none; border: 0;
  }
  .main-nav__link {
    flex-direction: column; justify-content: center; gap: .2rem;
    min-height: 3.35rem; padding: .35rem .25rem; font-size: var(--fs-xs);
  }
  .main-nav__link .icon { width: 1.35rem; height: 1.35rem; }
  .main-nav__link[aria-current] { background: var(--accent-soft); color: var(--accent-text); box-shadow: none; }
  .main-nav__more { display: none; }
}

/* Menu utilisateur (divulgation) */
.user-menu { position: relative; }
.user-menu__trigger {
  display: flex; align-items: center; gap: .5rem;
  padding: .25rem .45rem .25rem .25rem;
  border: 1.5px solid transparent; border-radius: var(--r-md);
  transition: background-color var(--dur), border-color var(--dur);
}
.user-menu__trigger:hover, .user-menu__trigger[aria-expanded="true"] { background: var(--surface-2); border-color: var(--line); }
.avatar {
  display: grid; place-items: center; width: 2.1rem; height: 2.1rem;
  border-radius: var(--r-sm); background: var(--accent); color: var(--accent-ink);
  font: var(--fw-semibold) var(--fs-md) / 1 var(--font-display); rotate: -5deg;
  transition: rotate var(--dur) var(--ease-spring);
}
.user-menu__trigger:hover .avatar { rotate: 4deg; }
.user-menu__name { max-width: 9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--fs-sm); font-weight: var(--fw-semibold); }
.user-menu__chevron { color: var(--text-muted); transition: rotate var(--dur) var(--ease-out); }
.user-menu__trigger[aria-expanded="true"] .user-menu__chevron { rotate: 180deg; }
.user-menu__panel {
  position: absolute; top: calc(100% + .5rem); right: 0; z-index: var(--z-menu);
  width: min(16rem, calc(100vw - 2 * var(--gutter)));
  padding: .4rem; border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--surface); box-shadow: var(--shadow-lg);
  transform-origin: top right; animation: pop var(--dur) var(--ease-out);
}
@keyframes pop { from { opacity: 0; transform: translateY(-4px) scale(.97); } }
.user-menu__who { display: grid; padding: .5rem .7rem .7rem; margin-bottom: .3rem; border-bottom: 1px solid var(--line); }
.user-menu__who span { font-size: var(--fs-sm); color: var(--text-muted); overflow-wrap: anywhere; }
.user-menu__item {
  display: flex; align-items: center; gap: .6rem; width: 100%;
  padding: .6rem .7rem; border-radius: var(--r-sm); text-align: left; font-weight: var(--fw-medium);
  transition: background-color var(--dur);
}
.user-menu__item:hover { background: var(--surface-2); }
/* Pseudo masqué visuellement seulement : le bouton garde son nom accessible */
@media (max-width: 74.99rem) {
  .user-menu__name { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}