/* ==========================================================================
   PORTO ADENIUM — Gallery / Artwork Stage
   Fotografia domina. Informação e vazio ocupam o restante.
   Referência composicional: 61.8% imagem / 38.2% informação (desktop).
   ========================================================================== */

.living-gallery {
  position: relative;
}

.artwork-stage {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.618fr 1fr;
  align-items: center;
  gap: var(--space-7);
  padding: var(--space-8) var(--space-6);
}

/* ---- Moldura da obra (ArtworkFrame) ---- */
.artwork-frame {
  position: relative;
  grid-column: 1;
  min-width: 0;
  aspect-ratio: 4 / 5;
  max-height: 82svh;
  justify-self: center;
  width: 100%;
}

.artwork-frame__surface {
  position: relative;
  width: 100%;
  height: 100%;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  box-shadow: 0 24px 60px -32px rgba(29, 29, 26, 0.28);
  overflow: hidden;
}

.artwork-frame__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: var(--space-5);
  background:
    radial-gradient(120% 120% at 30% 20%, var(--color-ivory) 0%, var(--color-limestone) 55%, var(--color-stone) 130%);
}

.artwork-frame__placeholder-label {
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

@media (prefers-reduced-motion: no-preference) {
  .artwork-frame__surface img,
  .artwork-frame__placeholder {
    transition: opacity var(--duration-medium) var(--ease-standard);
  }
}

/* ---- Identidade da obra (ArtworkIdentity) ---- */
.artwork-identity {
  grid-column: 2;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.artwork-identity__row {
  display: flex;
  min-width: 0;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.artwork-identity__title {
  font-family: var(--font-serif);
  font-size: var(--fs-title);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  margin: 0;
  font-weight: 400;
}

.artwork-identity__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
}

.artwork-identity__meta em {
  font-style: normal;
  color: var(--color-text-primary);
}

.artwork-identity__status {
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ---- Navegação de perspectiva (PerspectiveNavigation) ---- */
.perspective-nav {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.perspective-nav__button {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--color-text-primary);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-line);
  transition: opacity var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
}

.perspective-nav__button:hover:not(:disabled) {
  border-color: var(--color-accent);
}

.perspective-nav__button:disabled {
  opacity: 0.3;
  cursor: default;
}

.perspective-nav__dots {
  display: flex;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.perspective-nav__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-line);
  padding: 0;
}

.perspective-nav__dot[aria-current="true"] {
  background: var(--color-accent);
}

/* ---- Responsividade ---- */
@media (max-width: 900px) {
  .artwork-stage {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-5);
    padding: var(--space-7) var(--space-4);
    min-height: auto;
    padding-top: calc(var(--space-9) + var(--space-4));
  }

  .artwork-frame {
    grid-column: 1;
    grid-row: 1;
    width: 88vw;
    max-height: 60svh;
    aspect-ratio: 4 / 5;
  }

  .artwork-identity {
    grid-column: 1;
    grid-row: 2;
  }
}


/* ---- Separação discreta entre obras (eixo vertical) ---- */
.artwork-stage + .artwork-stage {
  border-top: 1px solid var(--color-line);
}