/* =============================================================================
   gallery.css — Estilos da Galeria — SM Cabeleireiro
   =============================================================================
   Projeto: SM Cabeleireiro — Cabeleireiro Profissional
   Desenvolvido por valesmr — https://valesmrdev.com
   Todos os direitos reservados © 2026
   ============================================================================= */

/* ================================================================
   VARIÁVEIS DA GALERIA
   ================================================================ */
.galeria {
  --galeria-gap: var(--space-md, 1rem);
  --galeria-radius: 16px;
  --galeria-overlay: linear-gradient(180deg, transparent 55%, rgba(42,30,30,0.88) 100%);
  --galeria-accent: var(--color-accent, #D4A373);

  background: var(--color-surface, #FDF8F3);
  padding: var(--space-2xl, 6rem) 0;
}

/* ================================================================
   SECTION HEADER
   ================================================================ */
.galeria .section__header {
  text-align: center;
  margin-bottom: var(--space-xl, 4rem);
}

.galeria .section__title {
  color: var(--color-text-primary, #2A1E1E);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 var(--space-sm, 0.5rem);
}

.galeria .section__desc {
  color: var(--color-text-secondary, #5D504A);
  font-size: var(--font-lg, 1.125rem);
  max-width: 32rem;
  margin: 0 auto;
}

/* ================================================================
   FILTRO POR CATEGORIA (PILLS)
   ================================================================ */
.galeria__filters {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-xs, 0.25rem);
  padding: var(--space-sm, 0.5rem) var(--space-lg, 2rem) var(--space-lg, 2rem);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  justify-content: flex-start;
  mask-image: linear-gradient(90deg, #000 calc(100% - 40px), transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 40px), transparent 100%);
}

@media (min-width: 769px) {
  .galeria__filters {
    justify-content: center;
    padding: var(--space-sm, 0.5rem) 0 var(--space-lg, 2rem);
    mask-image: none;
    -webkit-mask-image: none;
  }
}

.galeria__filters::-webkit-scrollbar {
  display: none;
}

.galeria__filter {
  flex-shrink: 0;
  padding: 0.5rem 1.25rem;
  border: 1.5px solid var(--color-border, rgba(212,163,115,0.25));
  border-radius: 100px;
  background: transparent;
  color: var(--color-text-secondary, #5D504A);
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: var(--font-sm, 0.85rem);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}

.galeria__filter:hover {
  border-color: var(--galeria-accent);
  color: var(--galeria-accent);
  background: rgba(212, 163, 115, 0.08);
}

.galeria__filter:focus-visible {
  outline: 2px solid var(--galeria-accent);
  outline-offset: 2px;
}

.galeria__filter--active {
  background: var(--galeria-accent);
  border-color: var(--galeria-accent);
  color: #2A1E1E;
}

.galeria__filter--active:hover {
  background: var(--color-accent-hover, #C4955A);
  border-color: var(--color-accent-hover);
  color: #fff;
}

/* ================================================================
   MASONRY GRID (CSS Columns) — Estilo Pinterest
   ================================================================ */
.galeria__masonry {
  column-count: 1;
  column-gap: var(--galeria-gap, 1rem);
  position: relative;
  min-height: 200px;
}

@media (min-width: 480px) {
  .galeria__masonry {
    column-count: 2;
  }
}

@media (min-width: 768px) {
  .galeria__masonry {
    column-count: 3;
  }
}

@media (min-width: 1024px) {
  .galeria__masonry {
    column-count: 4;
  }
}

/* ================================================================
   CARD DE IMAGEM — Estilo "Pin" do Pinterest
   ================================================================ */
.galeria__card {
  break-inside: avoid;
  margin-bottom: var(--galeria-gap, 1rem);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background: #fff;
  box-shadow: 0 1px 3px rgba(61,44,46,0.06);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.3s ease;
  -webkit-column-break-inside: avoid;

  /* Performance: não renderiza o que está fora do ecrã */
  content-visibility: auto;
  contain-intrinsic-size: auto 300px;
}

/* Variação de alturas para efeito masonry assimétrico */
.galeria__card:nth-child(4n+1) { aspect-ratio: 3 / 4; }
.galeria__card:nth-child(4n+2) { aspect-ratio: 1 / 1; }
.galeria__card:nth-child(4n+3) { aspect-ratio: 4 / 5; }
.galeria__card:nth-child(4n+4) { aspect-ratio: 2 / 3; }

.galeria__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(61, 44, 46, 0.12);
}

.galeria__card:focus-visible {
  outline: 2px solid var(--galeria-accent);
  outline-offset: 2px;
}

/* Imagem dentro do card */
.galeria__card-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.galeria__card:hover .galeria__card-img {
  transform: scale(1.03);
}

/* Espaço extra abaixo da imagem (assinatura "Pin") */
.galeria__card::after {
  content: '';
  display: block;
  height: 8px;
  background: #fff;
}

/* ================================================================
   OVERLAY — Minimalista, só no hover (ou sempre em touch)
   ================================================================ */
.galeria__card-overlay {
  position: absolute;
  inset: 0;
  background: var(--galeria-overlay);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem 1rem 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.galeria__card:hover .galeria__card-overlay,
.galeria__card:focus-visible .galeria__card-overlay {
  opacity: 1;
}

/* Em touch devices, mostrar overlay sempre (sem hover) */
@media (hover: none) and (pointer: coarse) {
  .galeria__card-overlay {
    opacity: 1;
    background: linear-gradient(180deg, transparent 45%, rgba(42,30,30,0.85) 100%);
  }
}

.galeria__card-title {
  color: #fff;
  font-family: var(--font-display, 'DM Serif Display', serif);
  font-size: var(--font-md, 1rem);
  font-weight: 400;
  line-height: 1.3;
  text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.galeria__card-count {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-xs, 0.75rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-top: 0.15rem;
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

/* ================================================================
   SKELETON LOADING
   ================================================================ */
.galeria__skeleton {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--galeria-gap, 1rem);
}

.galeria__skeleton-item {
  border-radius: 16px;
  background: var(--color-surface-alt, #F0E6D8);
  aspect-ratio: 4 / 5;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ================================================================
   ESTADOS
   ================================================================ */
.galeria__empty {
  text-align: center;
  padding: var(--space-xl, 4rem) var(--space-md, 1rem);
  color: var(--color-text-secondary, #5D504A);
  font-size: var(--font-lg, 1.125rem);
  grid-column: 1 / -1;
}

.galeria__empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md, 1rem);
  opacity: 0.4;
}

.galeria__error {
  text-align: center;
  padding: var(--space-xl, 4rem) var(--space-md, 1rem);
  color: var(--color-error, #D32F2F);
}

.galeria__error button {
  margin-top: var(--space-md, 1rem);
  padding: 0.5rem 1.5rem;
  border: 1.5px solid var(--color-error);
  border-radius: 100px;
  background: transparent;
  color: var(--color-error);
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: var(--font-sm, 0.85rem);
  cursor: pointer;
  transition: all 0.2s;
}

.galeria__error button:hover {
  background: var(--color-error);
  color: #fff;
}

/* ================================================================
   FADE-IN ON SCROLL
   ================================================================ */
.galeria__card {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s ease, transform 0.45s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.galeria__card--visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .galeria__card {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .galeria__card:hover {
    transform: none;
  }

  .galeria__card-img {
    transition: none;
  }

  .galeria__card:hover .galeria__card-img {
    transform: none;
  }

  .galeria__skeleton-item {
    animation: none;
    opacity: 0.6;
  }

  .galeria__filter {
    transition: none;
  }

  .galeria__card-overlay {
    transition: none;
  }
}

/* ================================================================
   LIGHTBOX — Modal elegante e contido
   ================================================================ */

/* Backdrop — escondido por defeito, só aparece com open */
.lightbox {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  padding: 0;
  border: none;
  background: rgba(0, 0, 0, 0.85);
  z-index: var(--z-index-modal, 300);
  display: none !important;
  align-items: center;
  justify-content: center;
}

.lightbox[open] {
  display: flex !important;
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.85);
}

/* Modal card */
.lightbox__modal {
  position: relative;
  width: 92vw;
  max-width: 1000px;
  max-height: 88vh;
  background: #1a1a1a;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
  animation: lightbox-enter 0.25s ease;
}

@keyframes lightbox-enter {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Info overlay — título + contador sobre a imagem */
.lightbox__info {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, transparent 100%);
  pointer-events: none;
}

.lightbox__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1rem;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.lightbox__counter {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  margin-left: 1rem;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
  flex-shrink: 0;
}

/* Botão fechar — grande e visível */
.lightbox__close {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  z-index: 10;
  width: 40px;
  height: 40px;
  padding: 0;
  font-size: 1.3rem;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.lightbox__close:hover {
  background: rgba(200, 50, 50, 0.8);
  transform: scale(1.1);
}

.lightbox__close:focus-visible {
  outline: 2px solid #D4A373;
  outline-offset: 2px;
}

/* Content — imagem centrada */
.lightbox__content {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  background: #111;
}

.lightbox__img {
  max-width: 100%;
  max-height: 100% !important;
  object-fit: contain;
  border-radius: 8px;
  transition: opacity 0.3s ease;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}

.lightbox__img--fadeout {
  opacity: 0;
}

.lightbox__img--fadein {
  opacity: 1;
}

/* Setas de navegação — laterais da imagem */
.lightbox__nav {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  padding: 0 0.5rem;
  z-index: 5;
}

.lightbox__prev,
.lightbox__next {
  pointer-events: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  font-size: 1.6rem;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
  opacity: 0.8;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(0, 0, 0, 0.75);
  transform: scale(1.08);
  opacity: 1;
}

.lightbox__prev:focus-visible,
.lightbox__next:focus-visible {
  outline: 2px solid #D4A373;
  outline-offset: 2px;
  opacity: 1;
}

/* Thumbnail strip */
.lightbox__strip {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  padding: 0.75rem 1rem;
  overflow-x: auto;
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.5);
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.25) transparent;
}

.lightbox__strip::-webkit-scrollbar {
  height: 4px;
}

.lightbox__strip::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.25);
  border-radius: 2px;
}

.lightbox__strip-item {
  flex-shrink: 0;
  width: 56px;
  height: 42px;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  padding: 0;
  background: none;
  transition: border-color 0.2s, opacity 0.2s;
  opacity: 0.5;
}

.lightbox__strip-item:hover {
  opacity: 0.8;
}

.lightbox__strip-item--active {
  border-color: #D4A373;
  opacity: 1;
}

.lightbox__strip-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ================================================================
   LIGHTBOX — Responsivo mobile
   ================================================================ */
@media (max-width: 640px) {
  .lightbox__modal {
    width: 98vw;
    max-height: 94vh;
    border-radius: 12px;
  }

  .lightbox__info {
    padding: 0.5rem 0.75rem;
  }

  .lightbox__title {
    font-size: 0.85rem;
  }

  .lightbox__counter {
    font-size: 0.75rem;
    margin-left: 0.5rem;
  }

  .lightbox__close {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    top: 0.4rem;
    right: 0.4rem;
  }

  .lightbox__content {
    padding: 0.75rem;
  }

  .lightbox__prev,
  .lightbox__next {
    width: 38px;
    height: 38px;
    font-size: 1.3rem;
  }

  .lightbox__strip {
    padding: 0.5rem;
    gap: 0.35rem;
  }

  .lightbox__strip-item {
    width: 44px;
    height: 33px;
  }
}

@media (max-width: 380px) {
  .lightbox__modal {
    width: 100vw;
    max-height: 100vh;
    border-radius: 0;
  }
}

/* Touch: navegação sempre visível */
@media (hover: none) and (pointer: coarse) {
  .lightbox__prev,
  .lightbox__next {
    opacity: 0.85;
  }

  .lightbox__strip-item {
    opacity: 0.6;
  }

  .lightbox__strip-item--active {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox__modal {
    animation: none;
  }

  .lightbox__close,
  .lightbox__prev,
  .lightbox__next {
    transition: none;
  }
}