/* ==========================================================================
   Catálogo Premium — estilos do viewer
   Variáveis definidas inline pela seção (schema):
     --cp-bg    cor de fundo
     --cp-btn   cor dos botões
     --cp-text  cor dos textos
   Breakpoints alinhados ao JS: mobile < 768px, tablet 768–1023px, desktop >= 1024px
   ========================================================================== */

.catalogo-premium {
  --cp-bg: #0b0c0e;
  --cp-btn: #b78e50;
  --cp-text: #f4f1ec;
  --cp-radius: 12px;
  --cp-ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  position: relative;
  width: 100%;
  padding: 12px clamp(12px, 2.5vw, 32px) 14px;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(183, 142, 80, 0.05), transparent 60%),
    var(--cp-bg);
  color: var(--cp-text);
  font-family: inherit;
  overflow: hidden;
  box-sizing: border-box;
}

/* garante que [hidden] vença o display:flex de .cp-loading / .cp-error */
.catalogo-premium [hidden] { display: none !important; }

/* ------------------------------- header -------------------------------- */

.cp-header {
  max-width: 1400px;
  margin: 0 auto 8px;
  text-align: center;
}

.cp-header__title {
  margin: 0;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.cp-header__subtitle {
  margin: 2px 0 0;
  font-size: clamp(0.72rem, 1.1vw, 0.88rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.58;
}

/* ------------------------------- viewer -------------------------------- */

.cp-viewer {
  position: relative;
  width: 100%;
  max-width: 1620px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cp-stage-clip {
  width: 100%;
  overflow: hidden;
  border-radius: var(--cp-radius);
  /* toque: permitir scroll vertical, capturar swipe horizontal */
  touch-action: pan-y;
}

/* com zoom ativo o gesto de arrastar move a página, não a tela */
.catalogo-premium.is-zoomed .cp-stage-clip { touch-action: none; }

/*
 * Zoom ativo: corta os eventos de mouse/touch do livro para a StPageFlip
 * não virar página (o flip reseta o zoom) nem disparar user_fold no meio
 * do pan. O arrasto passa a ser tratado pelo stage (pan), e os controles
 * da toolbar/setas continuam funcionando normalmente.
 */
.catalogo-premium.is-zoomed .cp-book-container { pointer-events: none; }

.cp-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  width: 100%;
  padding: 0;
  margin: 0 auto;
  transition: transform 0.3s var(--cp-ease);
  transform-origin: center center;
  will-change: transform;
}

.catalogo-premium.is-zoomed .cp-stage { cursor: grab; }
.catalogo-premium.is-zoomed .cp-stage:active { cursor: grabbing; }

/* spread = conjunto de 1–2 páginas visíveis */
.cp-spread {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 100%;
  transition: opacity 0.35s var(--cp-ease), transform 0.35s var(--cp-ease);
}

.cp-spread--enter-right { opacity: 0; transform: translateX(28px); }
.cp-spread--enter-left  { opacity: 0; transform: translateX(-28px); }

.cp-page {
  position: relative;
  flex: 0 0 auto;
  min-width: 0;
  background: transparent;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.3),
    0 16px 45px -14px rgba(0, 0, 0, 0.65);
  overflow: hidden;
}

/* páginas com aspecto definido: a imagem preenche o quadro perfeitamente sem bordas brancas */
.cp-page__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
  user-select: none;
  -webkit-user-drag: none;
  background: transparent;
}

/* cantos arredondados apenas nas bordas externas do "livro" */
.cp-spread .cp-page:first-child { border-radius: 6px 0 0 6px; }
.cp-spread .cp-page:last-child  { border-radius: 0 6px 6px 0; }
.cp-spread .cp-page:only-child,
.cp-spread--solo .cp-page       { border-radius: 6px; }

/* vinco central sutil entre duas páginas */
.cp-spread .cp-page + .cp-page::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 22px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.18), transparent);
  pointer-events: none;
  z-index: 5;
}

/* -------------------------------- setas -------------------------------- */

.cp-arrow {
  position: absolute;
  top: 50%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  transform: translateY(-50%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(11, 12, 14, 0.75);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--cp-text);
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  transition: background 0.25s var(--cp-ease), transform 0.25s var(--cp-ease),
              opacity 0.25s var(--cp-ease), border-color 0.25s var(--cp-ease);
}

.cp-arrow svg { width: 20px; height: 20px; }

.cp-arrow:hover:not(:disabled) {
  background: var(--cp-btn);
  border-color: var(--cp-btn);
  transform: translateY(-50%) scale(1.08);
}

.cp-arrow:disabled { opacity: 0.2; cursor: default; }

.cp-arrow--prev { left: clamp(2px, 1vw, 12px); }
.cp-arrow--next { right: clamp(2px, 1vw, 12px); }

/* ------------------------------- toolbar ------------------------------- */

.cp-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  max-width: 1400px;
  margin: 8px auto 0;
  z-index: 15;
}

.cp-indicator {
  min-width: 120px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
  text-align: center;
  opacity: 0.85;
}

.cp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--cp-text);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s var(--cp-ease), border-color 0.25s var(--cp-ease),
              color 0.25s var(--cp-ease);
}

.cp-btn svg { width: 15px; height: 15px; flex: none; }

.cp-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

.cp-btn--icon { width: 34px; padding: 0; }

/* botão de destaque (download) */
.cp-btn--primary {
  background: var(--cp-btn);
  border-color: var(--cp-btn);
  color: #fff;
  font-weight: 600;
}

.cp-btn--primary:hover {
  background: color-mix(in srgb, var(--cp-btn) 82%, #000);
  border-color: color-mix(in srgb, var(--cp-btn) 82%, #000);
}

/* ------------------------------ thumbnails ----------------------------- */

.cp-thumbs {
  display: flex;
  gap: 6px;
  max-width: 1400px;
  margin: 6px auto 0;
  padding: 2px 4px 4px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
  z-index: 15;
}

.cp-thumb {
  position: relative;
  flex: none;
  width: 44px;
  height: 60px;
  padding: 0;
  border: 1.5px solid transparent;
  border-radius: 5px;
  background: none;
  cursor: pointer;
  opacity: 0.45;
  transition: opacity 0.25s var(--cp-ease), border-color 0.25s var(--cp-ease),
              transform 0.25s var(--cp-ease);
}

.cp-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 3px;
}

.cp-thumb__num {
  position: absolute;
  right: 3px;
  bottom: 3px;
  padding: 1px 4px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 0.58rem;
  font-variant-numeric: tabular-nums;
}

.cp-thumb:hover { opacity: 0.85; }

.cp-thumb.is-active {
  border-color: var(--cp-btn);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(183, 142, 80, 0.3);
}

/* ------------------------------- hotspots ------------------------------ */

.cp-hotspot {
  position: absolute;
  z-index: 8;
  border: 1.5px solid color-mix(in srgb, var(--cp-btn) 85%, #fff);
  border-radius: 8px;
  background: color-mix(in srgb, var(--cp-btn) 18%, transparent);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.25s var(--cp-ease);
}

.cp-page:hover .cp-hotspot,
.cp-hotspot:focus-visible { opacity: 1; }

/* ------------------------- loading / erro ------------------------------ */

.cp-loading,
.cp-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 260px;
  font-size: 0.85rem;
  opacity: 0.8;
}

.cp-loading__spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--cp-btn);
  border-radius: 50%;
  animation: cp-spin 0.9s linear infinite;
}

@keyframes cp-spin { to { transform: rotate(360deg); } }

/* ------------------------------ fullscreen ----------------------------- */

.catalogo-premium.is-fullscreen,
.catalogo-premium.is-fake-fullscreen {
  position: fixed !important;
  inset: 0 !important;
  z-index: 99999 !important;
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  align-items: center !important;
  background: #060709 !important;
  padding: 6px 12px 10px !important;
  margin: 0 !important;
  border-radius: 0 !important;
}

.catalogo-premium.is-fullscreen .cp-header,
.catalogo-premium.is-fake-fullscreen .cp-header {
  display: none !important;
}

.catalogo-premium.is-fullscreen .cp-viewer,
.catalogo-premium.is-fake-fullscreen .cp-viewer {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  min-height: 0;
  margin: 0 auto;
}

.catalogo-premium.is-fullscreen .cp-stage-clip,
.catalogo-premium.is-fake-fullscreen .cp-stage-clip {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.catalogo-premium.is-fullscreen .cp-stage,
.catalogo-premium.is-fake-fullscreen .cp-stage {
  min-height: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* toolbar compacta: prioridade visual é do catálogo */
.catalogo-premium.is-fullscreen .cp-toolbar,
.catalogo-premium.is-fake-fullscreen .cp-toolbar {
  flex: 0 0 auto;
  margin-top: 4px;
  gap: 6px;
}

.catalogo-premium.is-fullscreen .cp-btn,
.catalogo-premium.is-fake-fullscreen .cp-btn {
  min-height: 30px;
  padding: 4px 10px;
  font-size: 0.72rem;
}

.catalogo-premium.is-fullscreen .cp-btn--icon,
.catalogo-premium.is-fake-fullscreen .cp-btn--icon {
  width: 30px;
}

.catalogo-premium.is-fullscreen .cp-indicator,
.catalogo-premium.is-fake-fullscreen .cp-indicator {
  min-width: 100px;
  padding: 4px 10px;
  font-size: 0.72rem;
}

/* thumbnails menores em fullscreen */
.catalogo-premium.is-fullscreen .cp-thumbs,
.catalogo-premium.is-fake-fullscreen .cp-thumbs {
  flex: 0 0 auto;
  margin-top: 4px;
  padding-bottom: 2px;
  gap: 6px;
}

.catalogo-premium.is-fullscreen .cp-thumb,
.catalogo-premium.is-fake-fullscreen .cp-thumb {
  width: 36px;
  height: 48px;
}

/* ------------------------------ responsivo ----------------------------- */

@media (max-width: 767px) {
  .catalogo-premium {
    padding: 10px 8px 12px;
  }

  /* setas viram botões flutuantes elegantes na base — não cobrem o conteúdo */
  .cp-arrow {
    top: auto;
    bottom: -6px;
    width: 40px;
    height: 40px;
    transform: none;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  }
  .cp-arrow svg { width: 18px; height: 18px; }
  .cp-arrow:hover:not(:disabled) { transform: scale(1.06); }
  .cp-arrow--prev { left: calc(50% - 54px); }
  .cp-arrow--next { right: calc(50% - 54px); }

  .cp-viewer { padding-bottom: 46px; }
  .cp-indicator { flex-basis: 100%; border: 0; opacity: 0.75; font-size: 0.75rem; padding: 2px; }
  
  .cp-btn {
    min-height: 32px;
    padding: 4px 10px;
    font-size: 0.75rem;
  }

  .cp-thumb {
    width: 36px;
    height: 50px;
  }
}

/* --------------------- virada de página (StPageFlip) -------------------- */

.cp-book-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  transform-style: preserve-3d;
  /* desliza suavemente ao centralizar/descentralizar a capa */
  transition: transform 0.55s var(--cp-ease);
}

/*
 * Capa/contracapa centralizadas: com showCover a capa fica na metade direita
 * do bloco de 2 páginas. O deslocamento de 25% centraliza a página visível.
 * translateZ(0) preservado (a StPageFlip aplica isso via .stf__parent).
 * A classe é removida pelo JS assim que qualquer virada/arrasto começa.
 */
.catalogo-premium.is-cover-start .cp-book-container {
  transform: translateX(-25%) translateZ(0);
}

.catalogo-premium.is-cover-end .cp-book-container {
  transform: translateX(25%) translateZ(0);
}

.cp-book-container .cp-page {
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.25),
    0 12px 38px -10px rgba(0, 0, 0, 0.5);
  background: transparent;
  overflow: hidden;
}

/* Evita flash de conteúdo empilhado antes da biblioteca inicializar */
.cp-book-container:not(.st-mount-container) .cp-page {
  display: none;
}
.cp-book-container:not(.st-mount-container) .cp-page:first-child {
  display: block;
}

/* -------------------------- reduced motion ----------------------------- */

@media (prefers-reduced-motion: reduce) {
  .cp-spread,
  .cp-stage,
  .cp-arrow,
  .cp-btn,
  .cp-thumb { transition: none; }
  .cp-loading__spinner { animation-duration: 1.8s; }
}