/* =========================================================
   slideshow.css  (shared across sites)
   Canonical URBEX-style slideshow overlay
   Works with this markup:

   <div class="overlay" id="overlay">
     <div class="overlay-card">
       <div class="slide-title" id="slideTitle">Loading…</div>

       <div class="slide-stage">
         <img id="slideImg" alt="">
         <div id="slideMetaWrap" class="slide-meta-wrap" style="display:none;">
           <a href="#" id="slideMetaToggle" class="slide-meta-toggle">more info…</a>
           <div id="slideMeta" class="slide-meta-overlay"></div>
         </div>
       </div>

       <div class="controls">
         <div class="controls-left">
           <button class="btn" id="prevBtn" type="button">← Prev</button>
           <button class="btn" id="nextBtn" type="button">Next →</button>
         </div>
         <button class="btn" id="closeBtn" type="button">Close</button>
       </div>
     </div>
   </div>
   ========================================================= */

/* ---------- Tokens (safe defaults; override per-site if needed) ---------- */
:root{
  --sl-overlay-bg: rgba(0,0,0,0.85);

  --sl-card-bg: rgba(0,0,0,0.80);
  --sl-card-max: 1400px;
  --sl-card-radius: 18px;

  --sl-pad-top: 14px;    /* pulls card up a bit */
  --sl-stage-pad: 18px;

  --sl-title-fg: rgba(220,220,220,0.92);
  --sl-title-border: rgba(255,255,255,0.10);

  --sl-img-bg: rgba(0,0,0,0.40);
  --sl-img-radius: 12px;

  --sl-btn-bg: rgba(0,0,0,0.45);
  --sl-btn-fg: rgba(220,220,220,0.85);
  --sl-btn-bd: rgba(255,255,255,0.15);
  --sl-btn-bg-hover: rgba(0,0,0,0.65);

  --sl-info-bg: rgba(0,0,0,0.55);
  --sl-info-bd: rgba(255,255,255,0.18);
  --sl-info-fg: rgba(255,255,255,0.92);
  --sl-meta-fg: rgba(255,255,255,0.78);

  --sl-shadow: 0 20px 60px rgba(0,0,0,0.60);
  --sl-font: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
/* =========================================================
   1) OVERLAY SHELL
   ========================================================= */

#overlay.overlay{
  position: fixed;
  inset: 0;
  z-index: 99999;

  /* visibility controlled ONLY by .open */
  display: none;
  align-items: center;
  justify-content: center;

  padding: var(--sl-pad-top) 24px 24px;
  box-sizing: border-box;

  background: var(--sl-overlay-bg);
}

/* show overlay */
#overlay.overlay.open{
  display: flex;
}

/* safety: if .open missing, NEVER show (kills stale inline styles) */
#overlay.overlay:not(.open){
  display: none !important;
}

/* prevent page scroll while open */
html.overlay-active,
body.overlay-active{
  overflow: hidden;
}



/* =========================================================
   2) CARD (TITLE + STAGE + CONTROLS)
   ========================================================= */

#overlay .overlay-card{
  width: min(var(--sl-card-max), calc(100vw - 48px));
  max-width: 100%;

  display: flex;
  flex-direction: column;

  background: var(--sl-card-bg);
  border-radius: var(--sl-card-radius);
  overflow: hidden;
  box-shadow: var(--sl-shadow);
}



/* =========================================================
   3) TITLE
   ========================================================= */

#overlay #slideTitle.slide-title{
  margin: 0;
  padding: 8px 18px;

  text-align: center;
  font-family: var(--sl-font);
  font-size: 18px;
  font-weight: 650;
  letter-spacing: 0.2px;

  color: var(--sl-title-fg);
  border-bottom: 1px solid var(--sl-title-border);
}

#overlay #slideTitle .count{
  opacity: 0.75;
  font-weight: 400;
  margin-left: 8px;
}



/* =========================================================
   4) STAGE / IMAGE
   ========================================================= */

#overlay .slide-stage{
  position: relative; /* anchor meta overlay */

  padding: var(--sl-stage-pad);
  box-sizing: border-box;

  display: grid;
  grid-template-rows: auto 1fr;   /* title row, then image row */
  justify-items: center;
  align-items: start;
  row-gap: 10px;
}
/* Title sits in row 1 */
#overlay #slideTitle{
  grid-row: 1;
  width: min(1100px, 92vw);
}

/* Image/frame sits in row 2 */
#overlay .slide-frame{
  grid-row: 2;
}

#overlay #slideImg{
  display: block;
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;

  border-radius: var(--sl-img-radius);
  background: var(--sl-img-bg);
}



/* =========================================================
   5) META (MORE INFO…) OVER IMAGE
   ========================================================= */

#overlay #slideMetaWrap.slide-meta-wrap{
  position: absolute;
  top: 12px;
  left: 12px;

  max-width: min(520px, calc(100% - 24px));
  pointer-events: none;
}

#overlay #slideMetaToggle.slide-meta-toggle{
  display: inline-block;
  pointer-events: auto;

  margin-bottom: 6px;
  padding: 7px 10px;

  border-radius: 999px;
  background: var(--sl-info-bg);
  color: var(--sl-info-fg);
  border: 1px solid var(--sl-info-bd);

  font-family: var(--sl-font);
  font-size: 12px;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;

  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

#overlay #slideMetaToggle.slide-meta-toggle:hover{
  background: rgba(0,0,0,0.68);
}

/* hidden by default, JS toggles class */
#overlay #slideMeta.slide-meta-overlay{
  display: none;

  pointer-events: auto;

  padding: 10px 14px;
  border-radius: 10px;

  background: var(--sl-info-bg);
  color: var(--sl-meta-fg);

  font-family: var(--sl-font);
  font-size: 14px;
  line-height: 1.35;

  text-align: left;
  white-space: pre-line;

  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);

  overflow: hidden;
}

/* when visible */
#overlay #slideMeta.slide-meta-overlay.is-open{
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
}



/* =========================================================
   6) CONTROLS (BELOW IMAGE)
   ========================================================= */

#overlay .controls{
  position: static !important;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 12px 16px 16px;
  box-sizing: border-box;

  border-top: 1px solid rgba(255,255,255,0.10);
}

#overlay .controls-left{
  display: flex;
  gap: 10px;
}

/* override any site .btn */
#overlay .controls .btn{
  appearance: none;
  -webkit-appearance: none;

  background: var(--sl-btn-bg) !important;
  color: var(--sl-btn-fg) !important;
  border: 1px solid var(--sl-btn-bd) !important;  
  
  border-radius: 10px;
  padding: 8px 12px;

  cursor: pointer;

  font-family: var(--sl-font);
  font-size: 14px;
  line-height: 1;

  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

#overlay .controls .btn:hover{
  background: var(--sl-btn-bg-hover) !important;
}

/* hidden by default */
#overlay #slideMeta.slide-meta-overlay{
  display: none;
  /* keep your existing styles... */
}

/* visible when toggled open */
#overlay #slideMeta.slide-meta-overlay.is-open{
  display: block;            /* <- IMPORTANT fallback */
  overflow: hidden;
}

/* optional: clamp only when supported */
@supports (-webkit-line-clamp: 1) {
  #overlay #slideMeta.slide-meta-overlay.is-open{
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
  }
}

/* hidden by default */
#overlay #slideMeta.slide-meta-overlay{
  display: none;
  /* keep your existing styles... */
}

/* visible when toggled open */
#overlay #slideMeta.slide-meta-overlay.is-open{
  display: block;            /* <- IMPORTANT fallback */
  overflow: hidden;
}

#overlay #slideMetaWrap.is-hidden{ display:none; }
#overlay #slideMetaWrap{ display:block; } /* default when not hidden */

/* optional: clamp only when supported */
@supports (-webkit-line-clamp: 1) {
  #overlay #slideMeta.slide-meta-overlay.is-open{
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
  }
}

/* =========================================================
   7) LEGACY SAFETY
   ========================================================= */

.slide-overlay{
  display: none !important;
}
/* Consistent "Home" hub link across sites */
a.hub-link{
  display:inline-block;
  font-size: 0.85rem;                 /* smaller */
  color: rgba(255,255,255,0.75);      /* light gray */
  text-decoration: none;

  padding: 6px 10px;
  border-radius: 10px;

  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);

  transition: color .18s ease, background .18s ease, border-color .18s ease;
}

a.hub-link:hover{
  color:#fff;
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.22);
}