/* ── Image view layout ── */
.main--image-view {
  display: flex;
  flex-direction: column;
  padding: 0;
}

/* ── Image detail ── */
.image-detail {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.image-detail__link {
  display: inline-block;
}

.image-detail__img {
  max-width: 100%;
  /* available = 100vh - header - shelf; small remainder for breathing room */
  max-height: calc(100vh - var(--header-height) - var(--shelf-height) - 0.5rem);
  object-fit: contain;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
  cursor: zoom-in;
}

/* ── Image shelf ── */
.image-shelf {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  min-height: var(--shelf-height);
  flex-wrap: wrap;
  margin: 0;
}

.image-shelf__meta {
  font-size: var(--font-xs);
  color: var(--text-muted);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-shelf__nav {
  display: flex;
  gap: 0.5rem;
}

.image-shelf__nav-btn--disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

.image-shelf__actions {
  display: flex;
  gap: 0.5rem;
}

@media (max-width: 600px) {
  .image-shelf__nav {
    display: none;
  }

  .btn--download {
    display: none;
  }

  .image-shelf {
    padding: 0.6rem 1rem;
  }

  /* Pin main to actual visible viewport — avoids dvh/svh unreliability with fat URL bar */
  .main--image-view {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: calc(var(--tab-bar-height) + env(safe-area-inset-bottom));
  }

  /* Allow image-detail to shrink below its content's intrinsic size */
  .main--image-view .image-detail {
    min-height: 0;
    align-items: stretch;
  }

  /*
   * Stretch link to image-detail's full height, making it a definite containing
   * block so max-height: 100% on the img resolves correctly (not against
   * the inline-block auto height, which makes 100% resolve to nothing).
   */
  .main--image-view .image-detail__link {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .main--image-view .image-detail__img {
    max-height: 100%;
  }
}

/* ── Add to Collection modal ── */
.atc-modal {
  max-width: 22rem;
  width: 90%;
  text-align: left;
  padding: 1.25rem 1.5rem;
}

.atc-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.atc-modal__title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.atc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 55vh;
  overflow-y: auto;
}

.atc-row {
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: border-color var(--duration-slow);
}

.atc-row--saving {
  opacity: 0.6;
}

.atc-row--saved {
  border-color: var(--success-border);
  animation: atc-pulse 0.6s ease-out;
}

@keyframes atc-pulse {
  0% {
    background: var(--success-bg);
  }
  100% {
    background: transparent;
  }
}

.atc-row__label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  cursor: pointer;
  font-size: var(--font-sm);
  border-radius: var(--radius);
}

.atc-row__label:hover {
  background: var(--border);
}

.atc-status {
  color: var(--text-muted);
  font-size: var(--font-sm);
  padding: 0.75rem 0;
  text-align: center;
  margin: 0;
}

/* ── Image shelf back link ── */
.image-shelf__back {
  flex: 0 0 auto;
}