.theme-toggle {
  position: fixed;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 60;
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 4px 14px var(--color-shadow);
}

.theme-toggle:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent-border);
}

:root {
  --nav-bar-height: 3.6rem;
  --nav-bar-offset: calc(var(--nav-bar-height) + env(safe-area-inset-bottom, 0px));
}

.nav-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 0.15rem;
  height: var(--nav-bar-offset);
  padding: 0 0.35rem env(safe-area-inset-bottom, 0px);
  box-sizing: border-box;
  background: var(--color-nav-bg);
  border-top: 1px solid var(--color-nav-border);
  border-radius: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  box-shadow: 0 -4px 18px var(--color-shadow);
}

.nav-dock a {
  position: relative;
  color: var(--color-muted);
  flex: 1 1 0;
  max-width: 5.5rem;
  height: var(--nav-bar-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  text-decoration: none;
  font-size: 1.2rem;
  transition: color 0.15s ease;
}

.nav-dock a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1.35rem;
  height: 0.2rem;
  border-radius: 0 0 0.35rem 0.35rem;
  background: transparent;
  transform: translateX(-50%);
  transition: background 0.15s ease, width 0.15s ease;
}

.nav-badge {
  position: absolute;
  top: 0.45rem;
  right: calc(50% - 1.15rem);
  min-width: 1rem;
  height: 1rem;
  padding: 0 0.28rem;
  border-radius: 999px;
  background: #dc2626;
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1rem;
  text-align: center;
}

.nav-dock a:hover {
  color: var(--color-text);
}

.nav-dock a.active {
  color: var(--color-accent);
}

.nav-dock a.active::before {
  background: var(--color-accent);
  width: 1.7rem;
}

/* Réserve l'espace : le contenu ne passe jamais sous la barre */
body:has(.nav-dock) {
  padding-bottom: var(--nav-bar-offset);
}

body.page-immersive:has(.nav-dock) {
  padding-bottom: var(--nav-bar-offset);
}

/* Banniere PWA / push au-dessus de la barre */
.pwa-banner {
  position: fixed;
  left: 0.75rem;
  right: 0.75rem;
  bottom: calc(var(--nav-bar-offset) + 0.65rem);
  z-index: 55;
  pointer-events: none;
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.pwa-banner.is-visible {
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
}

.pwa-banner[hidden] {
  display: none !important;
}

.pwa-banner-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: 0.85rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  box-shadow: 0 12px 36px var(--color-shadow);
}

.pwa-banner-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 0.45rem;
  flex: 0 0 auto;
}

.pwa-banner-text {
  flex: 1 1 12rem;
  min-width: 0;
}

.pwa-banner-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.pwa-banner-desc,
.pwa-banner-tip {
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  color: var(--color-muted);
  line-height: 1.35;
}

.pwa-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-left: auto;
}

.pwa-banner-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0.55rem;
  padding: 0.5rem 0.85rem;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.pwa-banner-actions .btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

@media (min-width: 720px) {
  .pwa-banner {
    left: 50%;
    right: auto;
    width: min(560px, calc(100vw - 2rem));
    transform: translateX(-50%) translateY(0.75rem);
  }

  .pwa-banner.is-visible {
    transform: translateX(-50%) translateY(0);
  }
}