/* World of Simulation V154 — shared mobile application shell */
:root{
  --wos-mobile-nav-h:68px;
  --wos-mobile-safe-bottom:env(safe-area-inset-bottom,0px);
  --wos-mobile-keyboard-offset:0px;
}
.mobile-app-nav-v154{display:none}
.mobile-app-scroll-spacer-v154{display:none}
.mobile-app-toast-v154{display:none}
@media (max-width:820px){
  html{scroll-behavior:smooth;scroll-padding-top:86px}
  body.wos-mobile-app-v154{padding-bottom:calc(var(--wos-mobile-nav-h) + var(--wos-mobile-safe-bottom) + 22px)!important;overscroll-behavior-y:contain}
  .mobile-app-nav-v154{
    position:fixed;left:9px;right:9px;bottom:max(8px,var(--wos-mobile-safe-bottom));z-index:2000;
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;
    min-height:var(--wos-mobile-nav-h);padding:6px;
    border:1px solid rgba(198,214,226,.92);border-radius:22px;
    background:rgba(255,255,255,.96);box-shadow:0 18px 42px rgba(28,52,78,.22);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)
  }
  .mobile-app-nav-v154 button{
    min-width:0;min-height:56px;padding:5px 2px;border:0;border-radius:16px;background:transparent;
    color:#718198;display:grid;place-items:center;align-content:center;gap:2px;
    font:800 11px/1.05 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    -webkit-tap-highlight-color:transparent;touch-action:manipulation;transition:transform .14s ease,background .16s ease,color .16s ease
  }
  .mobile-app-nav-v154 button:active{transform:scale(.96)}
  .mobile-app-nav-v154 button.active{background:#e8f8fb;color:#14335c;box-shadow:inset 0 0 0 1px #bce9ef}
  .mobile-app-nav-v154 .mobile-app-nav-icon-v154{font-size:23px;line-height:1;display:block;filter:saturate(.85)}
  .mobile-app-nav-v154 .mobile-app-nav-label-v154{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
  .mobile-app-scroll-spacer-v154{display:block;width:1px;height:44vh;pointer-events:none}
  .mobile-app-toast-v154{position:fixed;left:50%;bottom:calc(var(--wos-mobile-nav-h) + var(--wos-mobile-safe-bottom) + 24px);z-index:2200;display:block;max-width:calc(100vw - 30px);padding:10px 14px;border-radius:13px;background:#102d49;color:#fff;box-shadow:0 12px 30px rgba(15,42,67,.24);font:750 12px/1.35 system-ui;opacity:0;transform:translate(-50%,12px);pointer-events:none;transition:.18s ease}
  .mobile-app-toast-v154.show{opacity:1;transform:translate(-50%,0)}
  .mobile-app-pulse-v154{animation:mobileAppPulse154 .55s ease}
  @keyframes mobileAppPulse154{0%,100%{box-shadow:inherit}45%{box-shadow:0 0 0 4px rgba(35,196,204,.25),0 14px 34px rgba(31,69,98,.18)}}
  body.wos-mobile-keyboard-open .mobile-app-nav-v154{transform:translateY(calc(100% + 28px));pointer-events:none;opacity:0}
}
@media (max-width:360px){.mobile-app-nav-v154{left:6px;right:6px}.mobile-app-nav-v154 button{font-size:10px}.mobile-app-nav-v154 .mobile-app-nav-icon-v154{font-size:21px}}