/* Always-visible overlay share rail: Share on top, icons centered below */
.share-rail {
  position: fixed;
  top: 50%;
  right: 0.55rem;
  transform: translateY(-50%);
  z-index: 80;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0.55rem 0.4rem 0.5rem;
  border-radius: 999px;
  background: rgba(10, 61, 58, 0.94);
  border: 1px solid rgba(247, 255, 252, 0.12);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  pointer-events: none;
}
.share-rail * {
  pointer-events: auto;
}

.share-rail__label {
  writing-mode: horizontal-tb;
  transform: none;
  display: block;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0 0.15rem;
  border: 0;
  background: transparent;
  color: rgba(247, 255, 252, 0.8);
  font-family: inherit;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.1;
  text-align: center;
  cursor: default;
  user-select: none;
  flex: 0 0 auto;
  box-shadow: none;
  -webkit-appearance: none;
  appearance: none;
}

.share-rail__icons {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
  padding: 0;
  margin: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.share-rail a,
.share-rail button.share-rail__copy {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(247, 255, 252, 0.1);
  color: #f4fffb;
  border: 0;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
  flex: 0 0 auto;
  touch-action: manipulation;
}
.share-rail a:hover,
.share-rail button.share-rail__copy:hover {
  background: #7ec9b8;
  color: #04221e;
  transform: scale(1.05);
}
.share-rail svg {
  width: 0.95rem;
  height: 0.95rem;
  fill: currentColor;
}

.share-rail__toast {
  position: fixed;
  right: 3.8rem;
  top: 50%;
  transform: translateY(-50%);
  background: #0a3d3a;
  color: #fff;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-size: 0.82rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 81;
}
.share-rail__toast.is-on {
  opacity: 1;
}

/* Mobile: collapsed chip; tap Share to expand all icons */
@media (max-width: 720px) {
  .share-rail {
    top: auto;
    left: 50%;
    right: auto;
    bottom: calc(4.85rem + env(safe-area-inset-bottom));
    transform: translateX(-50%);
    flex-direction: row;
    align-items: center;
    gap: 0;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    max-width: calc(100vw - 1rem);
    transition: padding 0.2s ease, gap 0.2s ease;
  }
  body.has-cookie-bar .share-rail {
    bottom: calc(8.6rem + env(safe-area-inset-bottom));
  }
  .share-rail__label {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    padding: 0.35rem 0.25rem;
    cursor: pointer;
    color: #f4fffb;
    touch-action: manipulation;
  }
  .share-rail__label::after {
    content: "";
    display: inline-block;
    width: 0.35rem;
    height: 0.35rem;
    margin-left: 0.35rem;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: translateY(-0.12rem) rotate(45deg);
    vertical-align: middle;
    opacity: 0.75;
    transition: transform 0.2s ease;
  }
  .share-rail.is-expanded .share-rail__label::after {
    transform: translateY(0.08rem) rotate(-135deg);
  }
  .share-rail__icons {
    display: none;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.3rem;
    max-width: min(18.5rem, calc(100vw - 3.5rem));
    overflow: visible;
  }
  .share-rail.is-expanded {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 0.65rem 0.6rem;
    border-radius: 1.15rem;
  }
  .share-rail.is-expanded .share-rail__label {
    width: 100%;
    padding-bottom: 0.15rem;
  }
  .share-rail.is-expanded .share-rail__icons {
    display: flex;
  }
  .share-rail a,
  .share-rail button.share-rail__copy {
    width: 2.15rem;
    height: 2.15rem;
  }
  .share-rail__toast {
    left: 50%;
    right: auto;
    top: auto;
    bottom: calc(8rem + env(safe-area-inset-bottom));
    transform: translateX(-50%);
  }
}