/* ── Tournesol branded loader ─────────────────────────────── */
.tournesol-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.tournesol-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.tournesol-loader-stage {
  position: relative;
  width: min(360px, 88vw);
  display: flex;
  align-items: center;
  justify-content: center;
}
.tournesol-loader-logo {
  width: 100%;
  height: auto;
  object-fit: contain;
  animation: tournesolLoaderPulse 1.8s ease-in-out infinite;
}
@keyframes tournesolLoaderPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.88; transform: scale(0.98); }
}

/* Official Tournesol Maternelle logo */
.tournesol-logo {
  object-fit: contain;
  display: block;
  background: transparent;
}
.tournesol-logo--nav {
  height: calc(var(--navbar-height, 108px) - 8px);
  max-height: 100px;
  width: auto;
  max-width: min(560px, 58vw);
  object-fit: contain;
  object-position: left center;
}
.tournesol-logo--footer {
  height: 84px;
  width: auto;
  max-width: 440px;
  object-fit: contain;
  object-position: left center;
}
.tournesol-logo--sidebar,
.tournesol-logo--portal {
  height: 50px;
  width: auto;
  max-width: 220px;
}
.tournesol-logo--login {
  max-width: min(380px, 94vw);
  width: 100%;
  height: auto;
  margin: 0 auto 12px;
}
.tournesol-logo--announcement {
  max-width: 380px;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

@media (prefers-reduced-motion: reduce) {
  .tournesol-loader-logo { animation: none; }
}