/* TiendiGo — instalación PWA inteligente
   Solo interfaz. No altera procesos de negocio. */

.tg-install-prompt{
  position:fixed;
  left:max(10px,env(safe-area-inset-left));
  right:max(10px,env(safe-area-inset-right));
  bottom:calc(78px + env(safe-area-inset-bottom));
  z-index:9998;
  display:grid;
  grid-template-columns:42px minmax(0,1fr) auto;
  gap:10px;
  align-items:center;
  max-width:430px;
  margin:0 auto;
  padding:11px;
  border:1px solid #34404c;
  border-radius:16px;
  background:linear-gradient(145deg,#171f28,#10171e);
  box-shadow:0 14px 34px rgba(0,0,0,.32);
  color:#f4f7fa;
  transform:translateY(22px);
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.tg-install-prompt.is-visible{
  transform:translateY(0);
  opacity:1;
  pointer-events:auto;
}
.tg-install-icon{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border:1px solid #593822;
  border-radius:12px;
  background:#261a12;
  color:#ff7c2d;
}
.tg-install-icon svg{width:23px;height:23px;display:block}
.tg-install-copy{display:grid;gap:2px;min-width:0}
.tg-install-copy strong{
  color:#f6f8fb;
  font-size:13px;
  line-height:1.2;
}
.tg-install-copy span{
  color:#a8b3be;
  font-size:11px;
  line-height:1.3;
}
.tg-install-actions{
  display:flex;
  gap:5px;
  align-items:center;
}
.tg-install-primary,
.tg-install-dismiss{
  min-height:36px;
  border-radius:10px;
  font:inherit;
  cursor:pointer;
}
.tg-install-primary{
  padding:0 10px;
  border:1px solid #e76519;
  background:linear-gradient(180deg,#ff8237,#ef6419);
  color:#fff;
  font-size:11px;
  font-weight:850;
  white-space:nowrap;
}
.tg-install-dismiss{
  width:36px;
  padding:0;
  border:1px solid #35414c;
  background:#172029;
  color:#aeb9c4;
  font-size:18px;
}
.tg-install-primary:focus-visible,
.tg-install-dismiss:focus-visible,
.tg-install-sheet button:focus-visible{
  outline:2px solid #ff8a48;
  outline-offset:2px;
}

/* iPhone / instrucciones */
.tg-install-sheet-backdrop{
  position:fixed;
  inset:0;
  z-index:9999;
  display:none;
  align-items:flex-end;
  justify-content:center;
  padding:12px;
  background:rgba(0,0,0,.55);
}
.tg-install-sheet-backdrop.is-visible{display:flex}
.tg-install-sheet{
  width:min(100%,430px);
  border:1px solid #303c48;
  border-radius:18px;
  background:linear-gradient(180deg,#171f28,#0f151c);
  color:#f3f6fa;
  box-shadow:0 20px 48px rgba(0,0,0,.38);
  overflow:hidden;
}
.tg-install-sheet-head{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  padding:14px;
  border-bottom:1px solid #28333e;
}
.tg-install-sheet-head div{display:grid;gap:2px}
.tg-install-sheet-head small{
  color:#ff8340;
  font-size:10px;
  font-weight:900;
  letter-spacing:.08em;
}
.tg-install-sheet-head strong{font-size:15px}
.tg-install-sheet-close{
  width:36px;
  height:36px;
  border:1px solid #35414c;
  border-radius:10px;
  background:#18212a;
  color:#c6d0da;
  font-size:20px;
}
.tg-install-steps{
  display:grid;
  gap:10px;
  padding:14px;
}
.tg-install-step{
  display:grid;
  grid-template-columns:28px minmax(0,1fr);
  gap:9px;
  align-items:start;
}
.tg-install-step b{
  width:28px;
  height:28px;
  display:grid;
  place-items:center;
  border-radius:9px;
  background:#261a12;
  color:#ff8340;
  border:1px solid #543621;
  font-size:11px;
}
.tg-install-step span{
  color:#c3ccd5;
  font-size:12px;
  line-height:1.4;
}
.tg-install-sheet-note{
  margin:0 14px 14px;
  padding:10px;
  border:1px solid #2c3945;
  border-radius:11px;
  background:#111820;
  color:#929fac;
  font-size:10.5px;
  line-height:1.35;
}
.tg-install-sheet-done{
  width:calc(100% - 28px);
  margin:0 14px 14px;
  min-height:40px;
  border:1px solid #e76519;
  border-radius:11px;
  background:linear-gradient(180deg,#ff8237,#ef6419);
  color:#fff;
  font-weight:850;
}

@media(max-width:380px){
  .tg-install-prompt{
    left:6px;
    right:6px;
    bottom:calc(72px + env(safe-area-inset-bottom));
    grid-template-columns:38px minmax(0,1fr);
  }
  .tg-install-icon{width:38px;height:38px}
  .tg-install-actions{
    grid-column:1/-1;
    justify-content:flex-end;
  }
  .tg-install-primary{flex:1}
}
@media(prefers-reduced-motion:reduce){
  .tg-install-prompt{transition:none}
}