/* ===== PWA App-like UX: gesture hint + pull-to-refresh ===== */
.pwa-navhint{
  position:fixed;
  top: calc(env(safe-area-inset-top) + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-16px);
  z-index: 10050;
  background: rgba(20,24,28,.92);
  color: #fff;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1;
  display:none;
  align-items:center;
  gap:10px;
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(0,0,0,.28);
}
.pwa-navhint.show{ display:flex; }
.pwa-navhint .arrow{
  width:22px;height:22px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background: rgba(255,255,255,.12);
  font-weight:700;
}
.pwa-navhint .txt{ white-space:nowrap; }
.pwa-navhint .bar{
  width:72px;height:6px;border-radius:999px;
  background: rgba(255,255,255,.14);
  overflow:hidden;
}
.pwa-navhint .bar > i{
  display:block;height:100%;
  width:0%;
  background: rgba(13,110,253,.95);
}

/* Pull-to-refresh */
.pwa-ptr{
  position:fixed;
  left:0; right:0;
  top:0;
  padding-top: env(safe-area-inset-top);
  height:0px;
  z-index:10040;
  display:flex;
  align-items:flex-end;
  justify-content:center;
  pointer-events:none;
}
.pwa-ptr .inner{
  margin-top: 6px;
  background: rgba(20,24,28,.92);
  color:#fff;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  padding: 10px 12px;
  display:flex;
  align-items:center;
  gap:10px;
  box-shadow: 0 12px 30px rgba(0,0,0,.28);
  backdrop-filter: blur(10px);
  transform: translateY(-50px);
  opacity: 0;
  transition: transform .16s ease, opacity .16s ease;
}
.pwa-ptr.show .inner{
  transform: translateY(0px);
  opacity: 1;
}
.pwa-ptr .spinner{
  width:18px;height:18px;
  border-radius:999px;
  border:2px solid rgba(255,255,255,.18);
  border-top-color: rgba(13,110,253,.95);
  animation: pwaSpin .8s linear infinite;
  display:none;
}
.pwa-ptr.loading .spinner{ display:block; }
.pwa-ptr .icon{
  width:18px;height:18px;
  display:flex;align-items:center;justify-content:center;
  opacity:.95;
}
.pwa-ptr.loading .icon{ display:none; }
.pwa-ptr .label{
  font-size:13px;
  white-space:nowrap;
  opacity:.92;
}
@keyframes pwaSpin{ to{ transform: rotate(360deg); } }