/* =====================================================
   Interactive Bento Gallery - Django only (no Next.js)
   Inspired by shadcn + Tailwind + Framer Motion original
   RTL ready, single server
   ===================================================== */
:root{
  --g-purple:#9823cf;
  --g-purple-dark:#7b1baf;
  --g-purple-soft:#f3e8ff;
  --g-purple-mist:#faf5ff;
  --g-border:#e9d5ff;
  --g-text:#1a1a2e;
  --g-muted:#6b7280;
  --g-bg:#ffffff;
  --g-card-shadow:0 8px 28px rgba(80,40,120,.08);
  --g-card-shadow-hover:0 14px 36px rgba(80,40,120,.14);
  --g-radius:16px;
}
.gallery-page{
  background:var(--g-bg);
  min-height:100vh;
  padding:24px 0 60px;
}
.gal-container{
  max-width:1100px;
  margin:0 auto;
  padding:0 20px;
}
/* header */
.gal-header{
  text-align:center;
  margin:18px 0 28px;
}
.gal-title{
  font-size:clamp(24px,4vw,38px);
  font-weight:900;
  line-height:1.4;
  background:linear-gradient(90deg,#1a1a2e 0%,#3a2a60 50%,#1a1a2e 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  margin:0;
  animation:galFadeUp .6s ease both;
}
.gal-desc{
  margin:10px auto 0;
  max-width:640px;
  font-size:14.5px;
  line-height:1.9;
  color:var(--g-muted);
  animation:galFadeUp .6s .08s ease both;
}
.gal-filters{
  display:flex;
  gap:8px;
  justify-content:center;
  flex-wrap:wrap;
  margin:18px 0 22px;
}
.gal-filter-btn{
  padding:8px 16px;
  border-radius:999px;
  border:1px solid #e5e7eb;
  background:#fff;
  font-family:inherit;
  font-size:13px;
  font-weight:600;
  color:#374151;
  cursor:pointer;
  transition:all .2s;
}
.gal-filter-btn.active{
  background:var(--g-purple);
  color:#fff;
  border-color:var(--g-purple);
  box-shadow:0 4px 14px rgba(152,35,207,.3);
}
.gal-filter-btn:hover{border-color:var(--g-purple);}

/* Bento grid */
.gal-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
  grid-auto-rows:62px;
}
.gal-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--g-radius);
  background:#f3f4f6;
  cursor:grab;
  user-select:none;
  box-shadow:var(--g-card-shadow);
  transition:transform .22s ease, box-shadow .22s ease;
  animation:galCardIn .55s ease both;
}
.gal-card:active{cursor:grabbing}
.gal-card:hover{
  transform:scale(1.015);
  box-shadow:var(--g-card-shadow-hover);
}
.gal-card.dragging{opacity:.45; transform:scale(.97)}
.gal-card.drag-over{outline:2px dashed var(--g-purple); outline-offset:-2px}
.gal-card img,
.gal-card video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.gal-card video{pointer-events:none}
.gal-card--video::after{
  content:"▶";
  position:absolute;
  top:8px; left:8px;
  width:26px; height:26px;
  display:grid; place-items:center;
  background:rgba(0,0,0,.55);
  color:#fff;
  font-size:11px;
  border-radius:999px;
  backdrop-filter:blur(4px);
}
.gal-card__overlay{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:12px 14px;
  background:linear-gradient(to top, rgba(0,0,0,.72) 0%, rgba(0,0,0,.28) 45%, transparent 75%);
  opacity:0;
  transition:opacity .22s;
  pointer-events:none;
}
.gal-card:hover .gal-card__overlay{opacity:1}
.gal-card__title{
  color:#fff;
  font-size:13.5px;
  font-weight:800;
  line-height:1.4;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.gal-card__desc{
  color:rgba(255,255,255,.78);
  font-size:11.5px;
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.gal-buffer{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  background:rgba(0,0,0,.08);
}
.gal-spinner{
  width:22px; height:22px;
  border:2px solid rgba(255,255,255,.35);
  border-top-color:#fff;
  border-radius:999px;
  animation:galSpin .7s linear infinite;
}
/* Span patterns - desktop 4 cols */
.g-span-1{grid-column:span 1; grid-row:span 3}
.g-span-2{grid-column:span 2; grid-row:span 2}
.g-span-3{grid-column:span 1; grid-row:span 3}
.g-span-4{grid-column:span 2; grid-row:span 2}
.g-span-5{grid-column:span 1; grid-row:span 3}
.g-span-6{grid-column:span 2; grid-row:span 2}
.g-span-7{grid-column:span 1; grid-row:span 3}

/* Modal */
.gal-modal{
  position:fixed;
  inset:0;
  z-index:9998;
  display:none;
  align-items:center;
  justify-content:center;
  padding:16px;
}
.gal-modal.open{display:flex}
.gal-modal__backdrop{
  position:absolute;
  inset:0;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px) saturate(1.2);
}
.gal-modal__panel{
  position:relative;
  width:min(860px,96vw);
  aspect-ratio:16/9;
  max-height:70vh;
  border-radius:18px;
  overflow:hidden;
  background:#0f0f12;
  box-shadow:0 24px 64px rgba(0,0,0,.28);
  animation:galModalIn .42s cubic-bezier(.16,1,.3,1) both;
  display:flex;
  flex-direction:column;
}
.gal-modal__media{
  flex:1;
  position:relative;
  overflow:hidden;
  background:#111;
  display:grid;
  place-items:center;
}
.gal-modal__media img,
.gal-modal__media video{
  width:100%;
  height:100%;
  object-fit:contain;
  background:#111;
}
.gal-modal__info{
  position:absolute;
  left:0; right:0; bottom:0;
  padding:16px 20px;
  background:linear-gradient(to top, rgba(0,0,0,.62), transparent);
  color:#fff;
  pointer-events:none;
}
.gal-modal__info h3{margin:0; font-size:18px; font-weight:800}
.gal-modal__info p{margin:4px 0 0; font-size:13px; opacity:.82}
.gal-modal__close{
  position:absolute;
  top:12px; right:12px;
  width:36px; height:36px;
  border-radius:999px;
  border:none;
  background:rgba(255,255,255,.88);
  color:#374151;
  display:grid;
  place-items:center;
  cursor:pointer;
  box-shadow:0 4px 14px rgba(0,0,0,.12);
  transition:transform .18s, background .18s;
  z-index:2;
}
.gal-modal__close:hover{transform:scale(1.06); background:#fff}
.gal-modal__nav{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:40px; height:40px;
  border-radius:999px;
  border:none;
  background:rgba(255,255,255,.88);
  color:#111;
  display:grid;
  place-items:center;
  cursor:pointer;
  box-shadow:0 4px 14px rgba(0,0,0,.18);
  z-index:2;
}
.gal-modal__nav--prev{right:14px}
.gal-modal__nav--next{left:14px}
.gal-modal__nav:hover{background:#fff}

/* Dock - draggable thumbnail strip */
.gal-dock-wrap{
  position:fixed;
  left:50%;
  bottom:18px;
  transform:translateX(-50%);
  z-index:9999;
  display:none;
  touch-action:none;
  cursor:grab;
}
.gal-dock-wrap.open{display:block}
.gal-dock-wrap:active{cursor:grabbing}
.gal-dock{
  display:flex;
  align-items:center;
  gap:0;
  padding:8px 12px;
  border-radius:16px;
  background:rgba(152,35,207,.14);
  backdrop-filter:blur(18px) saturate(1.4);
  border:1px solid rgba(152,35,207,.22);
  box-shadow:0 12px 36px rgba(0,0,0,.18);
}
.gal-dock__item{
  width:42px; height:42px;
  border-radius:10px;
  overflow:hidden;
  flex-shrink:0;
  margin-left:-6px;
  border:2px solid transparent;
  cursor:pointer;
  position:relative;
  transform:rotate(-8deg);
  transition:transform .22s cubic-bezier(.34,1.56,.64,1), border-color .18s, box-shadow .18s, z-index 0s;
  box-shadow:0 2px 10px rgba(0,0,0,.14);
}
.gal-dock__item:nth-child(even){transform:rotate(8deg)}
.gal-dock__item:first-child{margin-left:0}
.gal-dock__item img,
.gal-dock__item video{
  width:100%; height:100%; object-fit:cover; display:block;
}
.gal-dock__item.active{
  transform:rotate(0) scale(1.18) translateY(-8px) !important;
  border-color:rgba(255,255,255,.85);
  box-shadow:0 8px 22px rgba(0,0,0,.22);
  z-index:5 !important;
}
.gal-dock__item:hover{
  transform:rotate(0) scale(1.28) translateY(-10px) !important;
  z-index:10 !important;
  border-color:rgba(255,255,255,.7);
}
.gal-dock__item::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to bottom, transparent 30%, rgba(255,255,255,.16));
  pointer-events:none;
}

/* =====================================================
   Before / After Comparison Slider
   Both images: position:absolute; inset:0; width:100%; height:100%; object-fit:cover
   After image lives inside a wrapper with overflow:hidden and width controlled by JS
   Only wrapper width + divider position change — images NEVER resize
   ===================================================== */

.gal-ba{
  position:absolute;
  inset:0;
  overflow:hidden;
  background:#111;
  cursor:ew-resize;
  touch-action:none;
  user-select:none;
}

/* Before image — bottom layer, always full */
.gal-ba .gal-ba__before{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  pointer-events:none;
  z-index:0;
}

/* After wrapper — clips the after image, width controlled by JS */
.gal-ba .gal-ba__after-wrapper{
  position:absolute;
  top:0;
  left:0;
  width:50%;
  height:100%;
  overflow:hidden;
  pointer-events:none;
  z-index:1;
}

/* After image — fills the wrapper, never resized */
.gal-ba .gal-ba__after-wrapper .gal-ba__after{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  pointer-events:none;
}

/* Divider line at slider position */
.gal-ba .gal-ba__divider{
  position:absolute;
  top:0;
  bottom:0;
  left:50%;
  width:2px;
  background:#fff;
  box-shadow:0 0 8px rgba(0,0,0,.35);
  pointer-events:none;
  z-index:2;
}

/* Draggable handle on the divider */
.gal-ba .gal-ba__handle{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  width:34px;
  height:34px;
  border-radius:999px;
  background:#fff;
  border:2px solid var(--g-purple);
  display:grid;
  place-items:center;
  color:var(--g-purple);
  font-size:16px;
  box-shadow:0 4px 14px rgba(0,0,0,.2);
  pointer-events:none;
}

.gal-ba__label{
  position:absolute;
  top:10px;
  padding:4px 10px;
  border-radius:999px;
  font-size:11px;
  font-weight:800;
  letter-spacing:.02em;
  background:rgba(0,0,0,.58);
  color:#fff;
  backdrop-filter:blur(6px);
  pointer-events:none;
  z-index:3;
}
.gal-ba__label--before{right:10px}
.gal-ba__label--after{left:10px}
.gal-ba__hint{
  position:absolute;
  bottom:8px;
  left:50%;
  transform:translateX(-50%);
  font-size:10px;
  font-weight:700;
  padding:3px 8px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:#374151;
  pointer-events:none;
  z-index:3;
  white-space:nowrap;
}
.gal-card--ba::after{display:none}

/* ===== Modal BA ===== */
.gal-modal__ba{
  position:relative;
  width:100%;
  height:100%;
  overflow:hidden;
  background:#111;
  touch-action:none;
  cursor:ew-resize;
}

.gal-modal__ba .gal-ba__before{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  pointer-events:none;
  z-index:0;
}

.gal-modal__ba .gal-ba__after-wrapper{
  position:absolute;
  top:0;
  left:0;
  width:50%;
  height:100%;
  overflow:hidden;
  pointer-events:none;
  z-index:1;
}

.gal-modal__ba .gal-ba__after-wrapper .gal-ba__after{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  pointer-events:none;
}

.gal-modal__ba .gal-ba__divider{
  position:absolute;
  top:0;
  bottom:0;
  left:50%;
  width:2px;
  background:#fff;
  box-shadow:0 0 8px rgba(0,0,0,.35);
  pointer-events:none;
  z-index:2;
}

.gal-modal__ba .gal-ba__handle{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  width:34px;
  height:34px;
  border-radius:999px;
  background:#fff;
  border:2px solid var(--g-purple);
  display:grid;
  place-items:center;
  color:var(--g-purple);
  font-size:16px;
  box-shadow:0 4px 14px rgba(0,0,0,.2);
  pointer-events:none;
}

.gal-modal__ba .gal-ba__label{
  z-index:3;
}
.gal-modal__ba .gal-ba__hint{
  z-index:3;
}

/* Empty */
.gal-empty{
  grid-column:1/-1;
  text-align:center;
  padding:40px;
  color:var(--g-muted);
}

/* Animations */
@keyframes galFadeUp{from{opacity:0; transform:translateY(16px)} to{opacity:1; transform:translateY(0)}}
@keyframes galCardIn{from{opacity:0; transform:translateY(22px) scale(.96)} to{opacity:1; transform:translateY(0) scale(1)}}
@keyframes galModalIn{from{opacity:0; transform:scale(.96) translateY(14px)} to{opacity:1; transform:scale(1) translateY(0)}}
@keyframes galSpin{to{transform:rotate(360deg)}}

/* Responsive */
@media(max-width:900px){
  .gal-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .g-span-1{grid-column:span 1; grid-row:span 2}
  .g-span-2{grid-column:span 2; grid-row:span 2}
  .g-span-3{grid-column:span 1; grid-row:span 2}
  .g-span-4{grid-column:span 2; grid-row:span 2}
  .g-span-5{grid-column:span 1; grid-row:span 2}
  .g-span-6{grid-column:span 2; grid-row:span 2}
  .g-span-7{grid-column:span 1; grid-row:span 2}
  .gal-modal__panel{aspect-ratio:4/3; max-height:68vh}
}
@media(max-width:600px){
  .gal-grid{grid-template-columns:1fr; grid-auto-rows:220px;}
  .gal-grid .gal-card{grid-column:span 1 !important; grid-row:span 1 !important}
  .gal-card__overlay{opacity:1}
  .gal-modal{padding:0}
  .gal-modal__panel{width:100%; height:100vh; max-height:100vh; border-radius:0; aspect-ratio:auto}
  .gal-dock__item{width:36px; height:36px}
  .gal-dock{padding:6px 10px}
}