/* photo-viewer.css
   Shared fullscreen photo viewer moved from /public/css/photo_viewer.css. */

.viewer-modal {
  overflow: hidden;
}

@media (max-width: 576px) {
  .viewer-modal .modal-dialog { margin: 0; overflow: hidden; height:100dvh; }
  .viewer-modal .modal-content { border-radius: 0; }
}

.viewer-modal .modal-content {
  background: var(--bs-body-color);
  color: var(--bs-body-color);
  height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}

.viewer-topbar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .75rem;
  background: linear-gradient(to bottom, rgba(0,0,0,.7), rgba(0,0,0,0));
}

.viewer-topbar .btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.95);
}

.viewer-topbar .btn-like {
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--bs-body-color);
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
}

.viewer-topbar .btn-like:hover,
.viewer-topbar .btn-like:focus-visible {
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.35);
  outline: none;
}

.viewer-topbar .btn-like:focus-visible {
  border-color: var(--bs-warning);
}

.viewer-topbar .btn-like btn-icon svg,
.viewer-topbar .btn-like i {
  display: inline-flex;
  width: 20px;
  height: 20px;
}

.viewer-topbar .btn-like.btn-danger {
  background-color: var(--bs-danger);
  border-color: var(--bs-danger);
}

.viewer-topbar .btn-like.btn-danger:hover {
  background-color: color-mix(in srgb, var(--bs-danger) 80%, black);
  border-color: color-mix(in srgb, var(--bs-danger) 80%, black);
}

.viewer-topbar .btn-like.btn-light {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--bs-body-bg);
}

.viewer-topbar .btn-like.btn-light:hover {
  background-color: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

.viewer-index {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.85);
}

/* ===== PhotoSwipe overlay ===== */
.pswp-viewer-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: grid;
  grid-template-rows: auto 1fr auto;
  pointer-events: none;
}

.pswp-viewer-overlay .viewer-topbar,
.pswp-viewer-overlay .viewer-bottombar,
.pswp-viewer-overlay .viewer-nav-btn {
  pointer-events: auto;
}

.pswp--touch .pswp-viewer-overlay .viewer-nav-btn {
  display: none;
}

@media (min-width: 768px) {
  .pswp--has_mouse .pswp-viewer-overlay .viewer-nav-btn {
    display: flex;
  }
}

.pswp--touch.pswp--ui-visible .pswp-viewer-overlay .viewer-nav-btn {
  display: flex;
}

.viewer-stage {
  position: relative;
  overflow: hidden;
  touch-action: pan-x pan-y;
  min-height: 0;
}

.viewer-canvas {
  position:relative;
  z-index:1;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: 50% 50%;
  --scale: 1;
  --tx: 0px;
  --ty: 0px;
  transform: translate3d(var(--tx), var(--ty), 0) scale(var(--scale));
}

.viewer-img{
  display:block;
  max-width:100%;
  max-height:100%;
  width:auto;
  height:auto;
  object-fit:contain;
  border-radius:12px;
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}

.zoomed .viewer-img{
  border-radius:0;
  box-shadow:none;
}

.viewer-bottombar {
  position: relative;
  padding: .5rem .75rem .75rem;
  background: linear-gradient(to top, rgba(0,0,0,.7), rgba(0,0,0,0));
}

.file-name {
  position: relative;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  display: inline-block;
  padding-right: 48px;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.85);
}

.file-name::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 80px;
  background: transparent;
  pointer-events: none;
}

.copy-hint { font-size: .85rem; opacity: .7; }

.viewer-nav-btn {
  position: absolute;
  z-index:2;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.1);
  border: none;
  color: var(--bs-body-bg);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
}

.viewer-nav-btn:hover { background: rgba(255,255,255,.2); }

@media (min-width: 768px) {
  .viewer-nav-btn { display: flex; z-index:2; }
}

.viewer-nav-prev { left: 16px; }
.viewer-nav-next { right: 16px; }

.viewer-modal .modal-dialog{
  margin:0;
  height:100dvh;
}

.viewer-modal .modal-content{
  overflow:hidden;
}

#fsViewer,
#fsViewer * { box-sizing: border-box; }

#fsViewer .modal-dialog{
  margin:0 !important;
  height:100dvh !important;
}

#fsViewer .modal-content{
  height:100dvh !important;
  overflow:hidden !important;
  background: var(--bs-body-bg);
  display:grid;
  grid-template-rows:auto 1fr auto;
}

#fsViewer .viewer-stage{
  position:relative;
  min-height:0;
  overflow:hidden;
}

#fsViewer .viewer-canvas{
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  --scale:1;
  --tx:0px;
  --ty:0px;
  transform:translate3d(var(--tx),var(--ty),0) scale(var(--scale));
}

#fsViewer .viewer-img{
  display:block;
  max-width:100%;
  max-height:100%;
  width:auto;
  height:auto;
  object-fit:contain;
  border-radius:12px;
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}

#fsViewer.zoomed .viewer-img{ border-radius:0; box-shadow:none; }

#fsViewer .viewer-nav-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:2;
  width:48px;
  height:48px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  border:0;
  color:var(--bs-body-color);
  display:none;
  align-items:center;
  justify-content:center;
}

@media (min-width: 768px){
  #fsViewer .viewer-nav-btn{ display:flex; }
}

#fsViewer .viewer-nav-prev{ left:16px; }
#fsViewer .viewer-nav-next{ right:16px; }