/* Felicitación efímera compartida: el resto del portal continúa siendo interactivo. */
.birthday-celebration {
  position: fixed;
  z-index: 20;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.birthday-celebration-card {
  position: absolute;
  top: max(24px, env(safe-area-inset-top));
  right: max(24px, env(safe-area-inset-right));
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  width: min(380px, calc(100% - 48px));
  min-height: 216px;
  border: 1px solid #ead7bb;
  border-radius: 24px;
  background:
    radial-gradient(ellipse at 10% 30%, rgba(230, 178, 74, .16), transparent 66%),
    #fffdf8;
  padding: 44px 22px 22px 14px;
  color: #271011;
  box-shadow: 0 18px 52px rgba(39, 16, 17, .16), 0 3px 10px rgba(39, 16, 17, .06);
  pointer-events: auto;
  animation: birthday-card-arrive 350ms cubic-bezier(.2, .75, .25, 1) both;
  transition: opacity 180ms ease, transform 180ms ease;
}

.birthday-celebration-close {
  position: absolute;
  top: 6px;
  right: 6px;
  display: grid;
  width: 44px;
  height: 44px;
  min-height: 44px;
  place-items: center;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: #642521;
  cursor: pointer;
  padding: 0;
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
  touch-action: manipulation;
}

.birthday-celebration-close:hover {
  background: #f5e5e2;
}

.birthday-celebration-close:focus-visible {
  outline: 2px solid #983c35;
  outline-offset: 2px;
}

.birthday-celebration-art {
  min-width: 0;
  pointer-events: none;
}

.birthday-celebration-art img,
.birthday-celebration-art svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 164px;
  object-fit: contain;
  user-select: none;
}

.birthday-celebration-copy {
  min-width: 0;
  padding-top: 5px;
}

.birthday-celebration-copy h2 {
  margin: 0 0 8px;
  color: #642521;
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -.035em;
  line-height: 1.12;
  text-wrap: balance;
}

.birthday-celebration-copy p {
  margin: 0;
  overflow-wrap: anywhere;
  color: #745a54;
  font-size: .82rem;
  line-height: 1.5;
}

.birthday-celebration-copy strong {
  color: #983c35;
  font-weight: 700;
}

.birthday-celebration-confetti {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.birthday-celebration-piece {
  position: absolute;
  top: -18px;
  left: var(--piece-x, 50%);
  display: block;
  width: 7px;
  height: 12px;
  border-radius: 2px;
  background: var(--piece-color, #e6b24a);
  opacity: 0;
  animation: birthday-confetti-fall var(--piece-duration, 5200ms) linear var(--piece-delay, 0ms) 1 both;
}

.birthday-celebration-piece:nth-child(3n) {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.birthday-celebration-piece:nth-child(4n) {
  width: 5px;
  height: 14px;
}

.birthday-celebration.is-leaving .birthday-celebration-card {
  animation: none;
  opacity: 0;
  transform: translateY(-8px);
}

.birthday-celebration.is-leaving .birthday-celebration-confetti {
  opacity: 0;
  transition: opacity 180ms ease;
}

.birthday-celebration.is-reduced-motion .birthday-celebration-card {
  animation: none;
  transition: none;
}

.birthday-celebration.is-reduced-motion .birthday-celebration-confetti {
  display: none;
}

@keyframes birthday-card-arrive {
  from { opacity: 0; transform: translateY(-12px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes birthday-confetti-fall {
  0% { opacity: 0; transform: translate3d(0, 0, 0) rotate(0); }
  8% { opacity: .88; }
  85% { opacity: .8; }
  100% { opacity: 0; transform: translate3d(var(--piece-drift, 24px), calc(100dvh + 36px), 0) rotate(var(--piece-rotation, 540deg)); }
}

@media (max-width: 600px) {
  .birthday-celebration-card {
    top: max(12px, env(safe-area-inset-top));
    right: max(12px, env(safe-area-inset-right));
    left: max(12px, env(safe-area-inset-left));
    grid-template-columns: 124px minmax(0, 1fr);
    gap: 10px;
    width: auto;
    max-width: 380px;
    min-height: 202px;
    margin-inline: auto;
    padding: 44px 18px 18px 10px;
  }

  .birthday-celebration-copy h2 {
    font-size: 1.25rem;
  }

  .birthday-celebration-copy p {
    font-size: .77rem;
  }
}

@media (max-width: 360px) {
  .birthday-celebration-card {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 8px;
    min-height: 192px;
    padding-right: 14px;
    border-radius: 20px;
  }

  .birthday-celebration-copy h2 {
    font-size: 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .birthday-celebration-card,
  .birthday-celebration.is-leaving .birthday-celebration-card {
    animation: none;
    transition: none;
    transform: none;
  }

  .birthday-celebration-confetti {
    display: none;
  }
}