/* ── Slideshow Overlay ──────────────────────────────────────────────────── */

#slideshow-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: #000;
  flex-direction: column;
  color: #fff;
  user-select: none;
  touch-action: none;
}

#slideshow-overlay.ss-open {
  display: flex;
}

/* Topbar */
#ss-topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.72) 0%, transparent 100%);
  gap: 0.4rem;
  transition: opacity 0.4s;
  pointer-events: auto;
}

#ss-topbar.ss-hidden {
  opacity: 0;
  pointer-events: none;
}

#ss-info {
  flex: 1;
  min-width: 0;
}

#ss-title {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

#ss-sub {
  display: block;
  font-size: 0.82rem;
  color: #bbb;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.ss-topbtn {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
  padding: 0.25rem 0.45rem;
  border-radius: 4px;
  opacity: 0.75;
  flex-shrink: 0;
  line-height: 1;
}

.ss-topbtn:hover {
  opacity: 1;
  background: rgba(255,255,255,0.15);
}

#ss-open-link {
  color: #bbb;
  text-decoration: none;
  font-size: 1rem;
  padding: 0.25rem 0.45rem;
  border-radius: 4px;
  flex-shrink: 0;
  line-height: 1;
  opacity: 0.75;
}

#ss-open-link:hover {
  opacity: 1;
  color: #fff;
  background: rgba(255,255,255,0.15);
}

/* Stage */
#ss-stage {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#ss-stage img {
  position: absolute;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

#ss-stage img.ss-hidden-img {
  opacity: 0;
}

/* Nav arrows */
#ss-prev, #ss-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(0,0,0,0.3);
  border: none;
  color: #fff;
  font-size: 2.8rem;
  line-height: 1;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.25s, background 0.2s;
  pointer-events: auto;
}

#ss-prev { left: 0.4rem; }
#ss-next { right: 0.4rem; }

#slideshow-overlay:hover #ss-prev,
#slideshow-overlay:hover #ss-next {
  opacity: 0.6;
}

#ss-prev:hover, #ss-next:hover {
  opacity: 1 !important;
  background: rgba(0,0,0,0.55);
}

/* Footer */
#ss-footer {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  padding: 0.5rem 1rem 0.75rem;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 100%);
  transition: opacity 0.4s;
  pointer-events: auto;
}

#ss-footer.ss-hidden {
  opacity: 0;
  pointer-events: none;
}

#ss-progress-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

#ss-progress-bar {
  flex: 1;
  height: 3px;
  background: rgba(255,255,255,0.22);
  border-radius: 2px;
  overflow: hidden;
}

#ss-progress-fill {
  height: 100%;
  background: #64968c;
  transition: width 0.3s ease;
  border-radius: 2px;
}

#ss-counter {
  font-size: 0.8rem;
  color: #ccc;
  white-space: nowrap;
}

/* Thumbnail strip */
#ss-thumbs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  justify-content: center;
  height: 44px;
  scrollbar-width: none;
}

#ss-thumbs::-webkit-scrollbar {
  display: none;
}

.ss-thumb {
  width: 40px;
  height: 40px;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 2px;
  opacity: 0.45;
  flex-shrink: 0;
  transition: opacity 0.2s, border-color 0.2s;
}

.ss-thumb:hover {
  opacity: 0.8;
}

.ss-thumb.ss-thumb-active {
  border-color: #64968c;
  opacity: 1;
}

/* Help panel */
#ss-help {
  position: absolute;
  inset: 0;
  z-index: 20;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.72);
}

#ss-help-inner {
  background: #1c1c1c;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  padding: 1.5rem 2rem;
  min-width: 230px;
}

#ss-help-inner h3 {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

#ss-help-inner table {
  border-collapse: collapse;
  width: 100%;
}

#ss-help-inner td {
  padding: 0.28rem 0.4rem 0.28rem 0;
  color: #ccc;
  font-size: 0.86rem;
}

#ss-help-inner td:first-child {
  font-family: monospace;
  color: #64968c;
  white-space: nowrap;
  padding-right: 1.2rem;
  font-size: 0.9rem;
}

#ss-help-close {
  margin-top: 1.1rem;
  background: #2e2e2e;
  border: 1px solid #444;
  color: #ccc;
  padding: 0.35rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.86rem;
}

#ss-help-close:hover {
  background: #3a3a3a;
  color: #fff;
}

/* Slideshow button — matches the "New" link style */
button.ss-status-btn {
  background: none;
  border: none;
  padding: 0;
  margin-left: 0.4rem;
  cursor: pointer;
  color: #64968c;
  font-size: inherit;
  vertical-align: baseline;
  text-decoration: none;
}

button.ss-status-btn:hover {
  text-decoration: underline;
  color: #64968c;
}

/* Mobile adjustments */
@media (max-width: 576px) {
  #ss-thumbs { display: none; }
  #ss-prev, #ss-next { font-size: 2.2rem; padding: 0.35rem 0.5rem; }
  #ss-title { font-size: 0.9rem; }
}