:root { --spread-bg: #0e0e0e; }

.mode-spread {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--spread-bg);
  position: relative;
  overflow: hidden;
}

.mode-spread .comic-spread-book {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  position: relative;
  transition: transform 0.15s ease-out;
}

.mode-spread.is-zoomed .comic-spread-book {
  cursor: grab;
  transition: none;
}

.mode-spread.is-zoomed.is-dragging .comic-spread-book {
  cursor: grabbing;
}

.mode-spread .comic-spread-page {
  max-width: 48%;
  max-height: 92%;
  width: auto;
  height: auto;
  object-fit: contain;
  user-select: none;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.7);
}

/* Capa isolada quando na página 0 */
.mode-spread .comic-spread-cover {
  max-width: 92%;
  max-height: 92%;
  cursor: zoom-in;
}

/* Vinco / Lombada central entre as páginas espelhadas */
.comic-spread-spine {
  width: 2px;
  height: 88%;
  background: linear-gradient(to right, rgba(0,0,0,0.6), rgba(255,255,255,0.06), rgba(0,0,0,0.6));
  box-shadow: 0 0 10px rgba(0,0,0,0.8);
  flex-shrink: 0;
  z-index: 2;
}

/* Sombra de dobra no vinco da página esquerda e direita */
.comic-page-left {
  box-shadow: 4px 10px 25px rgba(0,0,0,0.8);
}

.comic-page-right {
  box-shadow: -4px 10px 25px rgba(0,0,0,0.8);
}

/* Responsividade: em telas estreitas (celular), ajusta para não esmagar a prancha dupla */
@media (max-width: 768px) {
  .mode-spread .comic-spread-page {
    max-width: 49%;
    max-height: 85%;
  }
}