/* Wii-style back control for interior index pages */
.wii-back {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 40;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #5f7280;
  text-decoration: none;
  cursor: pointer;
  background: linear-gradient(180deg, #ffffff 0%, #f0f5f8 48%, #dbe5eb 100%);
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -3px 5px rgba(120, 145, 163, 0.16),
    0 3px 5px rgba(90, 115, 135, 0.22),
    0 0 0 2px #fff,
    0 0 0 3.5px #ccd8e0;
  transition: transform 0.14s cubic-bezier(0.34, 1.7, 0.5, 1), box-shadow 0.2s ease;
}

.wii-back:hover,
.wii-back:focus-visible {
  transform: translateY(-3px) scale(1.06);
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -3px 5px rgba(120, 145, 163, 0.16),
    0 8px 14px rgba(70, 100, 125, 0.26),
    0 0 0 2px #fff,
    0 0 0 3.5px #9fd3ef,
    0 0 20px rgba(63, 169, 224, 0.5);
  color: #3d4d58;
  outline: none;
}

.wii-back svg {
  display: block;
  width: 22px;
  height: 22px;
}

/* Office-style pill tooltip (matches plaza / lost-tip chrome) */
.wii-back::after {
  content: attr(data-tip, "Back to the Office");
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) scale(0.94);
  padding: 7px 12px;
  border-radius: 999px;
  white-space: nowrap;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #3d4d58;
  background: linear-gradient(#fff, #eef4f8);
  box-shadow:
    0 4px 14px rgba(70, 100, 125, 0.25),
    0 0 0 2px #fff,
    0 0 0 3.5px #d0dbe3;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.16s ease,
    visibility 0.16s ease,
    transform 0.16s cubic-bezier(0.34, 1.4, 0.5, 1);
}

.wii-back:hover::after,
.wii-back:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) scale(1);
}

@media (max-width: 600px) {
  .wii-back {
    top: 14px;
    left: 14px;
  }
}

/* Wii-style sound toggle — bottom-left on interior pages (matches credits / info button) */
.wii-sound-dock {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 60;
}

.wii-sound {
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #5f7280;
  cursor: pointer;
  background: linear-gradient(180deg, #ffffff 0%, #f0f5f8 48%, #dbe5eb 100%);
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -3px 5px rgba(120, 145, 163, 0.16),
    0 3px 5px rgba(90, 115, 135, 0.22),
    0 0 0 2px #fff,
    0 0 0 3.5px #ccd8e0;
  transition: transform 0.14s cubic-bezier(0.34, 1.7, 0.5, 1), box-shadow 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.wii-sound:hover,
.wii-sound:focus-visible {
  transform: translateY(-3px) scale(1.06);
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -3px 5px rgba(120, 145, 163, 0.16),
    0 8px 14px rgba(70, 100, 125, 0.26),
    0 0 0 2px #fff,
    0 0 0 3.5px #9fd3ef,
    0 0 20px rgba(63, 169, 224, 0.5);
  color: #3d4d58;
  outline: none;
}

.wii-sound svg {
  display: block;
  width: 24px;
  height: 24px;
}

.wii-sound.off .on-ic {
  display: none;
}

.wii-sound:not(.off) .off-ic {
  display: none;
}

@media (max-width: 600px) {
  .wii-sound-dock {
    left: 14px;
    bottom: 14px;
  }
}