/* ===================================================================
   Online catalogue viewer — /catalogue_202606/
   Loaded only on the catalogue route (via head_extra), scoped to .viv-*.
   Engine: src/assets/js/catalogue-flip.js
   =================================================================== */
.viv-cat{
  --cat-bg:#10141a;
  --cat-bg-2:#181d26;
  --cat-fg:#eef2f7;
  --cat-muted:#9aa6b6;
  --cat-accent:#1f8fb0;
  --cat-shadow:0 18px 50px rgba(0,0,0,.55);
  --cat-bar-h:54px;
  --cat-rail-h:104px;
  --cat-ease:cubic-bezier(.22,.61,.36,1);

  position:relative;
  width:100%;
  max-width:1180px;            /* match site content width (.v3-range-grid) */
  height:min(84vh,1180px);
  min-height:460px;
  margin:0 auto;
  background:radial-gradient(120% 90% at 50% 0%, var(--cat-bg-2), var(--cat-bg));
  border-radius:14px;
  overflow:hidden;
  user-select:none;
  touch-action:pan-y;
  color:var(--cat-fg);
}
.viv-cat:-webkit-full-screen{height:100vh;width:100vw;max-width:none;border-radius:0;margin:0}
.viv-cat:fullscreen{height:100vh;width:100vw;max-width:none;border-radius:0;margin:0}
.viv-cat *{-webkit-tap-highlight-color:transparent}

/* ---- Top toolbar ---------------------------------------------------- */
.viv-bar{
  position:absolute;inset:0 0 auto 0;height:var(--cat-bar-h);z-index:30;
  display:flex;align-items:center;gap:10px;padding:0 12px;
  background:linear-gradient(180deg, rgba(10,13,18,.82), rgba(10,13,18,0));
  transition:opacity .25s, transform .25s;
}
.viv-cat.is-idle .viv-bar{opacity:0;transform:translateY(-8px);pointer-events:none}
.viv-brand{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.04em}
.viv-brand b{color:var(--cat-accent)}
.viv-brand span{color:var(--cat-fg);font-weight:600;font-size:14px}
.viv-bar__spacer{flex:1}
.viv-counter{
  font-variant-numeric:tabular-nums;color:var(--cat-fg);font-weight:600;
  background:rgba(255,255,255,.08);border-radius:999px;padding:5px 12px;font-size:13px;
}
.viv-counter input{
  width:2.6em;background:rgba(255,255,255,.14);border:none;border-radius:6px;
  color:inherit;font:inherit;font-weight:700;text-align:center;outline:none;cursor:text;
  padding:2px 4px;transition:background .15s, box-shadow .15s, color .15s;
}
.viv-counter input:hover{background:rgba(255,255,255,.24)}
.viv-counter input:focus{background:#fff;color:#10141a;box-shadow:0 0 0 2px var(--cat-accent)}
.viv-iconbtn{
  display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);color:var(--cat-fg);
  cursor:pointer;transition:background .15s,border-color .15s,transform .1s;
}
.viv-iconbtn:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.25)}
.viv-iconbtn:active{transform:scale(.94)}
.viv-iconbtn[aria-pressed="true"]{background:var(--cat-accent);border-color:var(--cat-accent)}
.viv-iconbtn svg{width:20px;height:20px;display:block;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ---- Stage (windowed 3-slot track) ---------------------------------- */
.viv-stage{position:absolute;inset:0;z-index:10;overflow:hidden;cursor:grab}
.viv-stage.is-dragging{cursor:grabbing}
.viv-track{
  position:absolute;top:0;left:-100%;height:100%;width:300%;
  display:flex;will-change:transform;
}
.viv-slot{
  width:33.3333%;height:100%;position:relative;
  display:flex;align-items:center;justify-content:center;
  padding:calc(var(--cat-bar-h) + 10px) 4vw 10px 4vw;
}
.viv-cat.is-railopen .viv-slot{padding-bottom:calc(var(--cat-rail-h) + 10px)}
.viv-slot img{
  max-width:100%;max-height:100%;width:auto;height:auto;
  border-radius:6px;box-shadow:var(--cat-shadow);background:#fff;
  -webkit-user-drag:none;pointer-events:none;
}
.viv-slot--blank{visibility:hidden}
.viv-slot.is-loading::after{
  content:"";position:absolute;width:46px;height:46px;border-radius:50%;
  border:3px solid rgba(255,255,255,.18);border-top-color:var(--cat-accent);
  animation:viv-spin .8s linear infinite;
}
@keyframes viv-spin{to{transform:rotate(360deg)}}

/* ---- Edge click-zones / arrows -------------------------------------- */
.viv-nav{
  position:absolute;top:0;bottom:0;width:14%;min-width:64px;max-width:140px;z-index:20;
  display:grid;place-items:center;border:none;background:none;color:#fff;cursor:pointer;
  opacity:0;transition:opacity .2s;
}
.viv-stage:hover ~ .viv-nav,.viv-nav:hover,.viv-nav:focus-visible{opacity:1}
.viv-nav--prev{left:0;justify-content:start;padding-left:10px}
.viv-nav--next{right:0;justify-content:end;padding-right:10px}
.viv-nav[disabled]{opacity:0!important;pointer-events:none}
.viv-nav .chev{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(10,13,18,.55);backdrop-filter:blur(4px);
  box-shadow:0 4px 16px rgba(0,0,0,.4);transition:background .15s,transform .1s;
}
.viv-nav:hover .chev{background:rgba(31,143,176,.85)}
.viv-nav:active .chev{transform:scale(.92)}
.viv-nav svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

/* ---- Thumbnail rail -------------------------------------------------- */
.viv-rail{
  position:absolute;left:0;right:0;bottom:0;height:var(--cat-rail-h);z-index:25;
  display:flex;gap:8px;align-items:center;padding:10px 12px;overflow-x:auto;overflow-y:hidden;
  background:linear-gradient(0deg, rgba(7,9,13,.96), rgba(7,9,13,.7));
  transform:translateY(100%);transition:transform .28s var(--cat-ease);
  scrollbar-width:thin;scrollbar-color:#39424f transparent;
}
.viv-cat.is-railopen .viv-rail{transform:translateY(0)}
.viv-rail::-webkit-scrollbar{height:8px}
.viv-rail::-webkit-scrollbar-thumb{background:#39424f;border-radius:8px}
.viv-thumb{
  flex:0 0 auto;height:100%;aspect-ratio:.707;border-radius:4px;overflow:hidden;cursor:pointer;
  border:2px solid transparent;background:#fff;position:relative;opacity:.72;transition:opacity .15s,border-color .15s,transform .1s;
}
.viv-thumb img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}
.viv-thumb:hover{opacity:1;transform:translateY(-2px)}
.viv-thumb.is-current{opacity:1;border-color:var(--cat-accent)}
.viv-thumb b{
  position:absolute;left:0;right:0;bottom:0;font-size:11px;text-align:center;color:#fff;font-weight:600;
  background:linear-gradient(0deg,rgba(0,0,0,.7),transparent);padding:6px 0 2px;
}

/* ---- Zoom overlay --------------------------------------------------- */
/* Full-viewport lightbox (NOT bounded by the viewer box) so zoom truly
   enlarges the page and can grow past the inline size. position:fixed escapes
   .viv-cat; in fullscreen it is relative to the fullscreen element (the screen). */
.viv-zoom{
  position:fixed;inset:0;z-index:9999;background:rgba(6,8,11,.985);
  display:none;align-items:center;justify-content:center;overflow:hidden;cursor:grab;touch-action:none;
}
.viv-zoom.is-open{display:flex}
.viv-zoom.is-panning{cursor:grabbing}
/* max-width:none/width:auto override the global img{max-width:100%} (main.css);
   otherwise the layout box is capped to the container and the transform scale()
   shrinks it again -> tiny image in the corner on narrow / mobile viewports. */
.viv-zoom img{position:absolute;top:0;left:0;max-width:none;width:auto;height:auto;transform-origin:0 0;will-change:transform;-webkit-user-drag:none;background:#fff;box-shadow:var(--cat-shadow)}
.viv-zoom__close{position:absolute;top:12px;right:12px;z-index:2}
.viv-zoom__hint{position:absolute;bottom:16px;left:0;right:0;text-align:center;color:var(--cat-muted);font-size:13px;pointer-events:none;padding:0 16px}
.viv-zoom__hint--coarse{display:none}
@media (pointer: coarse){
  .viv-zoom__hint--fine{display:none}
  .viv-zoom__hint--coarse{display:inline}
}

/* ---- Outer shell (gutters match .v3-section) + no-JS fallback -------- */
.vcat-shell{padding:28px clamp(18px,4vw,34px) 36px}
.vcat-noscript{max-width:980px;margin:0 auto;padding:8px 16px 0}
.vcat-noscript p{text-align:center;color:#475569;margin:0 0 16px}
.vcat-ns-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.vcat-ns-grid img{width:100%;height:auto;border-radius:6px;box-shadow:0 6px 18px rgba(0,0,0,.12);background:#fff}

@media (max-width:640px){
  .viv-cat{height:min(78vh,920px);border-radius:10px}
  .viv-brand span{display:none}
  .viv-slot{padding-left:2vw;padding-right:2vw}
}