/* SA_027 – Einheitliche Dateivorschau: Vorschaubilder und Lightbox. */

/* ---------- Vorschaubilder ---------- */

.sa-file-preview {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.sa-file-preview__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sa-file-preview__entry {
  margin: 0;
}

.sa-file-preview__thumb {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--sa-border);
  border-radius: 0.5rem;
  background: var(--sa-surface-muted);
  color: var(--sa-ink-muted);
  font-size: 1.35rem;
  line-height: 1;
  text-decoration: none;
  cursor: zoom-in;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.sa-file-preview__thumb--file {
  cursor: pointer;
}

.sa-file-preview__thumb:hover,
.sa-file-preview__thumb:focus-visible {
  border-color: var(--sa-primary);
  box-shadow: 0 0 0 3px var(--sa-primary-soft, rgba(68, 207, 197, 0.25));
  color: var(--sa-ink);
  outline: none;
}

.sa-file-preview__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sa-file-preview__fallback {
  display: none;
}

.sa-file-preview__thumb.is-broken .sa-file-preview__img {
  display: none;
}

.sa-file-preview__thumb.is-broken .sa-file-preview__fallback {
  display: inline-block;
}

.sa-file-preview__type {
  margin-top: 0.15rem;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.sa-file-preview__badge {
  position: absolute;
  right: 0.15rem;
  bottom: 0.15rem;
  min-width: 1.1rem;
  padding: 0.1rem 0.25rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.75);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 600;
  line-height: 1.1;
  text-align: center;
}

.sa-file-preview__name {
  color: var(--sa-ink-muted);
  font-size: 0.8125rem;
}

/* ---------- Lightbox ---------- */

html.sa-lightbox-open,
html.sa-lightbox-open body {
  overflow: hidden;
}

.sa-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  background: rgba(10, 14, 24, 0.94);
  color: #f8fafc;
  font-family: var(--sa-font-body, inherit);
}

.sa-lightbox[hidden] {
  display: none;
}

.sa-lightbox__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.5rem 0.75rem;
  padding-top: max(0.5rem, env(safe-area-inset-top));
  background: rgba(10, 14, 24, 0.85);
}

.sa-lightbox__meta {
  flex: 1 1 12rem;
  min-width: 0;
}

.sa-lightbox__title {
  margin: 0;
  overflow: hidden;
  color: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sa-lightbox__caption {
  margin: 0;
  color: #cbd5e1;
  font-size: 0.8rem;
}

.sa-lightbox__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
}

.sa-lightbox__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.6rem;
  border: 1px solid rgba(248, 250, 252, 0.2);
  border-radius: 0.5rem;
  background: rgba(248, 250, 252, 0.08);
  color: inherit;
  font-size: 1.1rem;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

.sa-lightbox__btn:hover,
.sa-lightbox__btn:focus-visible {
  background: rgba(248, 250, 252, 0.2);
  color: #fff;
  outline: none;
}

.sa-lightbox__btn:focus-visible {
  box-shadow: 0 0 0 3px var(--sa-primary, #44cfc5);
}

.sa-lightbox__btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.sa-lightbox__zoom-label {
  min-width: 3.25rem;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.sa-lightbox__counter {
  padding: 0 0.25rem;
  color: #cbd5e1;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.sa-lightbox__body {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
}

.sa-lightbox__stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.sa-lightbox__stage.is-pdf {
  touch-action: auto;
}

.sa-lightbox__stage.is-zoomed {
  cursor: grab;
}

.sa-lightbox__stage.is-dragging {
  cursor: grabbing;
}

.sa-lightbox__image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform-origin: center center;
  will-change: transform;
  image-orientation: from-image;
  -webkit-user-drag: none;
}

.sa-lightbox__pdf {
  position: absolute;
  inset: 0;
  overflow: auto;
  padding: 0.75rem;
  -webkit-overflow-scrolling: touch;
}

.sa-lightbox__page {
  position: relative;
  margin: 0 auto 0.75rem;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.sa-lightbox__page canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.sa-lightbox__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  font-size: 1.4rem;
  transform: translateY(-50%);
}

.sa-lightbox__nav--prev {
  left: 0.75rem;
}

.sa-lightbox__nav--next {
  right: 0.75rem;
}

.sa-lightbox__nav[hidden] {
  display: none;
}

.sa-lightbox__status {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  pointer-events: none;
}

.sa-lightbox__status[hidden] {
  display: none;
}

.sa-lightbox__status a {
  pointer-events: auto;
}

.sa-lightbox__spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid rgba(248, 250, 252, 0.25);
  border-top-color: var(--sa-primary, #44cfc5);
  border-radius: 50%;
  animation: sa-lightbox-spin 0.8s linear infinite;
}

.sa-lightbox__message,
.sa-lightbox__error {
  max-width: 28rem;
  margin: 0;
  font-size: 0.95rem;
}

@keyframes sa-lightbox-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 575.98px) {
  .sa-lightbox__bar {
    gap: 0.4rem;
    padding: 0.4rem 0.5rem;
    padding-top: max(0.4rem, env(safe-area-inset-top));
  }

  .sa-lightbox__meta {
    flex-basis: 100%;
    order: -1;
  }

  .sa-lightbox__tools {
    flex: 1 1 100%;
    justify-content: space-between;
  }

  .sa-lightbox__nav {
    top: auto;
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    transform: none;
  }

  .sa-lightbox__pdf {
    padding: 0.5rem 0.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sa-file-preview__thumb {
    transition: none;
  }

  .sa-lightbox__spinner {
    animation-duration: 2s;
  }
}