:root{--tec-appbar-h:74px;--tec-safe-bottom:env(safe-area-inset-bottom,0px)}
.tec-app-bottom-nav{display:none}
.tec-install-banner{display:none}
@media (max-width:820px){
  body.tec-app-enabled{padding-bottom:calc(var(--tec-appbar-h) + var(--tec-safe-bottom))!important;-webkit-tap-highlight-color:transparent}
  body.tec-app-enabled footer{padding-bottom:18px}
  .tec-app-bottom-nav{position:fixed;z-index:9997;left:0;right:0;bottom:0;height:calc(var(--tec-appbar-h) + var(--tec-safe-bottom));padding:7px 10px var(--tec-safe-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(11,11,13,.96);border-top:1px solid rgba(255,255,255,.1);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
  .tec-app-bottom-nav a{min-width:0;min-height:58px;text-decoration:none;color:#a9a9b2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border-radius:12px;font-size:11px;font-weight:700;letter-spacing:.01em;line-height:1}
  .tec-app-bottom-nav a .tec-app-icon{width:25px;height:25px;display:grid;place-items:center;font-size:22px;line-height:1;filter:grayscale(.15)}
  .tec-app-bottom-nav a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.075)}
  .tec-app-bottom-nav a[aria-current="page"] .tec-app-icon{color:#d6a62f}
  .mobile-sticky-book{bottom:calc(var(--tec-appbar-h) + var(--tec-safe-bottom) + 10px)!important}
  .tec-install-banner{position:fixed;z-index:9998;left:12px;right:12px;bottom:calc(var(--tec-appbar-h) + var(--tec-safe-bottom) + 10px);background:#17171b;color:#fff;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:12px;box-shadow:0 14px 40px rgba(0,0,0,.4);align-items:center;gap:10px}
  .tec-install-banner.is-visible{display:flex}
  .tec-install-banner img{width:42px;height:42px;border-radius:11px;flex:0 0 auto}
  .tec-install-copy{min-width:0;flex:1}.tec-install-copy strong{display:block;font-size:14px}.tec-install-copy span{display:block;color:#b7b7bd;font-size:11px;margin-top:2px}
  .tec-install-banner button{border:0;border-radius:10px;min-height:40px;padding:0 12px;font-weight:800;background:#d6a62f;color:#111}
  .tec-install-banner .tec-install-close{background:transparent;color:#aaa;padding:0 7px;font-size:18px}
  @media (display-mode:standalone){.tec-install-banner{display:none!important}.navbar{padding-top:max(10px,env(safe-area-inset-top))}}
}