/* Shared Nailverse UI: the round glass back button (same as the map) + keep content below the iPhone status bar */
.nv-back{box-sizing:border-box;width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;
  background:rgba(20,20,24,0.78);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border:1px solid rgba(255,255,255,0.08);-webkit-tap-highlight-color:transparent;}
.nv-back:active{transform:scale(0.94);}
.nv-back svg{width:20px;height:20px;display:block;}
.nv-pad{box-sizing:border-box;padding-top:env(safe-area-inset-top);}