/* GPTGenie: große PDF-Ansicht (Vergrößern-Knopf an der Vorschau + Vollbild-Viewer) */

/* ── Knopf oben rechts auf der kleinen Vorschau ─────────────────────────── */
#generation-canvas-container.pv-ready { cursor: zoom-in; }
.pv-expand-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 5;                       /* unter dem Erstellungs-Overlay (z-index 10) */
  display: none;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-width: 36px;
  height: 36px;
  padding: 0 9px;                   /* 9 + 16 + 9 + 2 Rand = 36 → zugeklappt ein exakter Kreis */
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(20,14,34,0.62);
  -webkit-backdrop-filter: blur(10px) saturate(1.4);
  backdrop-filter: blur(10px) saturate(1.4);
  color: #fff;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1;
  box-shadow: 0 4px 16px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.18);
  cursor: pointer;
  transition: background .18s, transform .18s cubic-bezier(.34,1.3,.64,1), box-shadow .18s, padding .25s ease;
}
#generation-canvas-container.pv-ready .pv-expand-btn { display: inline-flex; }
.pv-expand-btn svg { flex-shrink: 0; }
.pv-expand-btn .pv-expand-label {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  margin-left: 0;
  transition: max-width .25s ease, opacity .2s ease, margin-left .25s ease;
}
.pv-expand-btn:hover,
.pv-expand-btn:focus-visible,
#generation-canvas-container.pv-ready:hover .pv-expand-btn {
  background: rgba(168,85,247,0.78);
  box-shadow: 0 6px 22px rgba(168,85,247,0.45), inset 0 1px 0 rgba(255,255,255,0.28);
}
.pv-expand-btn:hover .pv-expand-label,
.pv-expand-btn:focus-visible .pv-expand-label,
#generation-canvas-container.pv-ready:hover .pv-expand-label { max-width: 90px; opacity: 1; margin-left: 6px; }
.pv-expand-btn:hover,
.pv-expand-btn:focus-visible,
#generation-canvas-container.pv-ready:hover .pv-expand-btn { padding-right: 12px; }
.pv-expand-btn:active { transform: scale(.94); }
.pv-expand-btn:focus-visible { outline: 2px solid #d8b4fe; outline-offset: 2px; }

/* ── Vollbild-Viewer ────────────────────────────────────────────────────── */
.pv-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10020;
  display: flex;
  flex-direction: column;
  background: rgba(8,6,16,0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity .22s ease;
}
.pv-lightbox.pv-open { opacity: 1; }
.pv-lightbox[hidden] { display: none; }

.pv-toolbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  padding-top: max(10px, env(safe-area-inset-top));
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(16,12,28,0.72);
  color: #f5f5f7;
}
.pv-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  flex: 1;
}
.pv-title strong { font-size: 15px; font-weight: 700; white-space: nowrap; }
.pv-page { font-size: 13px; color: rgba(245,245,247,0.62); font-variant-numeric: tabular-nums; white-space: nowrap; }

.pv-group {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: 100px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}
.pv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 0;
  border-radius: 100px;
  background: transparent;
  color: #f5f5f7;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.pv-btn:hover { background: rgba(255,255,255,0.1); }
.pv-btn:disabled { opacity: .35; cursor: default; background: transparent; }
.pv-btn:focus-visible { outline: 2px solid #d8b4fe; outline-offset: 1px; }
.pv-zoom-val { min-width: 58px; font-variant-numeric: tabular-nums; }
.pv-btn-primary {
  background: linear-gradient(160deg, rgba(185,100,255,0.85), rgba(168,85,247,0.75) 50%, rgba(192,58,235,0.7));
  border: 1px solid rgba(192,100,255,0.5);
  box-shadow: 0 3px 14px rgba(168,85,247,0.35), inset 0 1px 0 rgba(255,255,255,0.24);
}
.pv-btn-primary:hover { background: linear-gradient(160deg, rgba(195,115,255,0.95), rgba(178,98,250,0.85) 50%, rgba(200,70,240,0.8)); }
.pv-btn-edit { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); }
.pv-btn-edit:hover { background: rgba(255,255,255,0.14); }
.pv-close { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); }

/* Hauptbereich: links Mini-Seiten, rechts die großen Seiten */
.pv-body {
  flex: 1;
  display: flex;
  min-height: 0;
}
.pv-thumbs {
  flex-shrink: 0;
  width: 132px;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 14px 28px;
  box-sizing: border-box;
  border-right: 1px solid rgba(255,255,255,0.08);
  background: rgba(16,12,28,0.5);
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.18) transparent;
}
.pv-thumbs[hidden] { display: none; }
.pv-thumb {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: none;
  color: rgba(245,245,247,0.6);
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
}
.pv-thumb-img {
  display: block;
  width: 100%;
  aspect-ratio: 595 / 842;
  background: #fff center / cover no-repeat;
  border-radius: 4px;
  box-shadow: 0 3px 12px rgba(0,0,0,0.4);
  outline: 2px solid transparent;
  outline-offset: 3px;
  transition: outline-color .15s, transform .15s, opacity .15s;
  opacity: .72;
}
.pv-thumb:hover .pv-thumb-img { opacity: 1; transform: translateY(-1px); }
.pv-thumb.pv-active { color: #fff; }
.pv-thumb.pv-active .pv-thumb-img { opacity: 1; outline-color: #c084fc; }
.pv-thumb:focus-visible { outline: none; }
.pv-thumb:focus-visible .pv-thumb-img { outline-color: #d8b4fe; }

.pv-scroller {
  position: relative;               /* offsetTop der Seiten bezieht sich hierauf */
  flex: 1;
  min-width: 0;
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;        /* Pinch-Zoom machen wir selbst */
}
.pv-scroller.pv-dragging { cursor: grabbing; }
.pv-pages {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  width: max-content;
  min-width: 100%;
  box-sizing: border-box;
  padding: 24px 16px calc(40px + env(safe-area-inset-bottom));
}
.pv-sheet {
  position: relative;
  flex-shrink: 0;
  aspect-ratio: 595 / 842;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.06);
  overflow: hidden;
}
.pv-sheet img {
  display: block;
  width: 100%;
  height: 100%;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
}
.pv-sheet-num {
  position: absolute;
  right: 10px;
  bottom: 8px;
  padding: 3px 9px;
  border-radius: 100px;
  background: rgba(20,14,34,0.55);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  pointer-events: none;
}
.pv-hint {
  position: fixed;
  left: 50%;
  bottom: calc(18px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  padding: 7px 14px;
  border-radius: 100px;
  background: rgba(20,14,34,0.8);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(245,245,247,0.8);
  font-size: 12px;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity .4s ease;
}
.pv-hint.pv-hide { opacity: 0; }

html.pv-lock, html.pv-lock body { overflow: hidden !important; }

@media (max-width: 640px) {
  .pv-toolbar { gap: 6px; padding-left: 10px; padding-right: 10px; }
  .pv-title strong { display: none; }
  .pv-btn-label { display: none; }
  .pv-btn { min-width: 34px; height: 34px; padding: 0 8px; }
  .pv-zoom-val { min-width: 50px; }
  .pv-pages { gap: 14px; padding: 14px 10px 30px; }
  /* Mini-Seiten als Leiste unten */
  .pv-body { flex-direction: column-reverse; }
  .pv-thumbs {
    width: auto;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 10px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    border-right: 0;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .pv-thumb { width: 46px; font-size: 10.5px; gap: 4px; }
  .pv-hint { bottom: calc(110px + env(safe-area-inset-bottom)); }
}
@media (max-width: 420px) {
  .pv-lightbox:not(.pv-single) .pv-title { display: none; }   /* aktive Mini-Seite zeigt die Seite */
  .pv-toolbar { justify-content: flex-end; }
  .pv-lightbox:not(.pv-single) .pv-group { margin-right: auto; }
  .pv-btn { min-width: 32px; height: 32px; padding: 0 6px; }
  .pv-zoom-val { min-width: 46px; font-size: 12px; }
}
.pv-lightbox.pv-single .pv-hint { bottom: calc(18px + env(safe-area-inset-bottom)); }
@media (prefers-reduced-motion: reduce) {
  .pv-lightbox, .pv-expand-btn, .pv-expand-label { transition: none; }
}