/* ============ Feed Viewer (visualizador estilo feed, com arraste) ============ */
body.no-scroll { overflow: hidden; height: 100%; }

.feed-viewer {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(20, 12, 10, 0);
  opacity: 0;
  visibility: hidden;
  transition: opacity .28s ease, background .28s ease, visibility 0s linear .28s;
  overflow: hidden;
  touch-action: none;
}
.feed-viewer.open {
  opacity: 1;
  visibility: visible;
  background: rgba(20, 12, 10, 0.94);
  transition: opacity .28s ease, background .28s ease;
}

.feed-viewer-track {
  display: flex;
  height: 100%;
  will-change: transform;
}
.feed-viewer-slide {
  flex: 0 0 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.feed-viewer-slide img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.feed-viewer-close,
.feed-viewer-nav {
  position: absolute;
  z-index: 2;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, transform .15s ease;
}
.feed-viewer-close:hover,
.feed-viewer-nav:hover { background: rgba(255, 255, 255, 0.24); }
.feed-viewer-close:active,
.feed-viewer-nav:active { transform: scale(0.92); }

.feed-viewer-close {
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.8rem;
  line-height: 1;
}

.feed-viewer-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.6rem;
}
.feed-viewer-prev { left: 16px; }
.feed-viewer-next { right: 16px; }

.feed-viewer-counter {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: .85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.14);
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: .03em;
}

@media (max-width: 640px) {
  .feed-viewer-nav { display: none; }
}