html, body{
  margin:0;
  padding:0;
  width:100%;
  height:100%;
  overflow:hidden;
  font-family: Helvetica, Arial, sans-serif;
}

#view{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  border:0;
}

/* 🎵 MINIMAL SOUND BUTTON (ohne Punkt) */
.sound-btn{
  position: fixed;
  left: 18px;
  bottom: 14px;
  z-index: 9999;

  width: 38px;
  height: 38px;
  border-radius: 999px;

  border: 1px solid rgba(0,0,0,0.14);
  background: rgba(255,255,255,0.32); /* deutlicher auf Weiß */
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 26px rgba(0,0,0,0.16);

  display: grid;
  place-items: center;
  cursor: pointer;
  user-select: none;
  padding: 0;

  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

@media (max-width: 900px){
  .sound-btn{
    left: 14px;
  }
}

.sound-btn:hover{
  background: rgba(255,255,255,0.72);
  border-color: rgba(0,0,0,0.28);
  box-shadow: 0 12px 30px rgba(0,0,0,0.20);
}

.sound-icon{
  font-size: 16px;
  font-weight: 800;
  opacity: 0.82; /* sichtbarer */
  transition: opacity 160ms ease, transform 160ms ease;
}

.sound-btn:hover .sound-icon{
  opacity: 1;
  transform: translateY(-0.5px);
}

body.sound-on .sound-btn{
  background: rgba(255,255,255,0.86); /* an */
  border-color: rgba(0,0,0,0.10);
}

body.sound-on .sound-icon{
  opacity: 0.95;
  transform: translateY(-0.5px);
}

.sound-hint{
  position: fixed;
  left: 60px;
  bottom: 18px;
  z-index: 9999;

  padding: 8px 10px;
  border-radius: 12px;

  font-size: 11px;
  line-height: 1.25;
  color: rgba(0,0,0,0.70);

  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(0,0,0,0.08);
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 26px rgba(0,0,0,0.14);

  max-width: 220px;
}

.sound-hint[hidden]{ display:none; }

/* 📱 Small-Screen Banner (Index) */
html.is-small-screen body{
  padding-top: calc(80px + env(safe-area-inset-top));
}

.small-screen-banner{
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 99999;

  background: #5a1b14;
  color: #fff;
  padding: 14px 18px;

  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.28;
  text-align: center;
  font-weight: 400;
}