/* ========================================================================
   Gallery Page — Styles
   Instagram / Pinterest-inspired photo cards with layout toggle
   ======================================================================== */

/* --- Subtitle --- */
.gallery-subtitle {
  max-width: 560px;
  color: var(--color-mid-grey);
  font-size: var(--fs-body-lg);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

/* ========================================================================
   Layout Toggle Controls
   ======================================================================== */
.gallery-controls {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-lg);
}

.layout-toggle {
  display: flex;
  background: var(--color-white);
  border: 1px solid var(--color-warm-grey);
  border-radius: 12px;
  padding: 4px;
  gap: 2px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.layout-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-mid-grey);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.layout-btn svg {
  transition: stroke var(--duration-fast) var(--ease-out);
}

.layout-btn:hover {
  color: var(--color-charcoal);
}

.layout-btn--active {
  background: var(--color-charcoal);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.layout-btn--active svg {
  stroke: var(--color-white);
}

/* ========================================================================
   Gallery Grid
   ======================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
}

/* ========================================================================
   Gallery Card — Instagram / Pinterest Style
   ======================================================================== */
.gallery-card {
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.04),
    0 4px 20px rgba(0, 0, 0, 0.03);
  transition: transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
  cursor: pointer;
  position: relative;
}

.gallery-card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 8px 30px rgba(0, 0, 0, 0.08),
    0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Image wrapper */
.gallery-card-image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-warm-grey);
}

.gallery-card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.gallery-card:hover .gallery-card-image-wrap img {
  transform: scale(1.05);
}

.gallery-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  gap: 12px;
}

.gallery-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.gallery-card-label {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-charcoal);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gallery-card-sub {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--color-mid-grey);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Action buttons */
.gallery-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.gallery-action-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 20px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-mid-grey);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  user-select: none;
  -webkit-user-select: none;
}

.gallery-action-btn:hover {
  background: var(--color-ivory);
  border-color: var(--color-warm-grey);
  color: var(--color-charcoal);
}

/* Like button / Heart */
.gallery-like-btn .heart-icon {
  fill: none;
  stroke: var(--color-mid-grey);
  stroke-width: 1.5;
  transition: fill var(--duration-fast) var(--ease-out),
    stroke var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.gallery-like-btn:hover .heart-icon {
  stroke: #e74c5e;
}

/* Liked state */
.gallery-like-btn.is-liked .heart-icon {
  fill: #e74c5e;
  stroke: #e74c5e;
}

.gallery-like-btn.is-liked .like-count {
  color: #e74c5e;
  font-weight: 600;
}

/* Heart burst animation */
@keyframes heartBurst {
  0% {
    transform: scale(1);
  }
  15% {
    transform: scale(1.35);
  }
  30% {
    transform: scale(0.9);
  }
  45% {
    transform: scale(1.15);
  }
  60% {
    transform: scale(0.95);
  }
  100% {
    transform: scale(1);
  }
}

.gallery-like-btn.is-animating .heart-icon {
  animation: heartBurst 0.55s var(--ease-out);
}

/* Particle burst on like */
@keyframes burstParticle {
  0% {
    opacity: 1;
    transform: scale(0) translate(0, 0);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(1) translate(var(--tx), var(--ty));
  }
}

.heart-burst-particle {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #e74c5e;
  pointer-events: none;
  animation: burstParticle 0.6s var(--ease-out) forwards;
}

.like-count {
  font-variant-numeric: tabular-nums;
  min-width: 2ch;
  transition: color var(--duration-fast) var(--ease-out);
}

/* Share button */
.gallery-share-btn svg {
  transition: stroke var(--duration-fast) var(--ease-out);
}

.gallery-share-btn:hover svg {
  stroke: var(--color-gold);
}

/* ========================================================================
   Carousel View
   ======================================================================== */
.gallery-carousel {
  position: relative;
  margin-top: var(--space-md);
}

.carousel-viewport {
  overflow: hidden;
  border-radius: 20px;
  background: var(--color-deep-black);
  position: relative;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.carousel-slide {
  min-width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.carousel-slide-inner {
  width: 100%;
  position: relative;
}

.carousel-slide-inner img {
  width: 100%;
  height: 70vh;
  max-height: 680px;
  object-fit: contain;
  display: block;
}

/* Carousel card footer */
.carousel-slide-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
}

.carousel-slide-label {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
}

.carousel-slide-sub {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.02em;
}

.carousel-slide-footer .gallery-card-actions .gallery-action-btn {
  color: rgba(255, 255, 255, 0.7);
}

.carousel-slide-footer .gallery-card-actions .gallery-action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

.carousel-slide-footer .gallery-like-btn .heart-icon {
  stroke: rgba(255, 255, 255, 0.7);
}

.carousel-slide-footer .gallery-like-btn:hover .heart-icon {
  stroke: #e74c5e;
}

.carousel-slide-footer .gallery-like-btn.is-liked .heart-icon {
  fill: #e74c5e;
  stroke: #e74c5e;
}

.carousel-slide-footer .gallery-like-btn.is-liked .like-count {
  color: #e74c5e;
}

.carousel-slide-footer .gallery-share-btn:hover svg {
  stroke: var(--color-gold);
}

/* Arrows */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--color-white);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.carousel-arrow:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.3);
}

.carousel-arrow:active {
  transform: translateY(-50%) scale(0.95);
}

.carousel-arrow--prev {
  left: 20px;
}

.carousel-arrow--next {
  right: 20px;
}

/* Dots */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  flex-wrap: wrap;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-warm-grey);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--duration-fast) var(--ease-out);
}

.carousel-dot:hover {
  background: var(--color-mid-grey);
}

.carousel-dot--active {
  background: var(--color-gold);
  width: 24px;
  border-radius: 4px;
}

/* Counter */
.carousel-counter {
  text-align: center;
  margin-top: 12px;
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-mid-grey);
  font-variant-numeric: tabular-nums;
}

/* ========================================================================
   Share Toast
   ======================================================================== */
.share-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--color-charcoal);
  color: var(--color-white);
  border-radius: 12px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  z-index: 10002;
  opacity: 0;
  transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease-out);
  pointer-events: none;
}

.share-toast svg {
  stroke: #4ade80;
  flex-shrink: 0;
}

.share-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ========================================================================
   Lightbox (carousel opened from grid click)
   ======================================================================== */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease-out), visibility 0.35s;
}

.gallery-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.gallery-lightbox-close {
  position: absolute;
  top: 24px;
  right: 28px;
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.gallery-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.lightbox-viewport {
  width: 90vw;
  max-width: 1100px;
  overflow: hidden;
  border-radius: 16px;
}

.lightbox-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.lightbox-slide {
  min-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.lightbox-slide img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox-slide-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.65) 0%, transparent 100%);
}

.lightbox-slide-label {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
}

.lightbox-slide-sub {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.02em;
}

.lightbox-slide-footer .gallery-card-actions .gallery-action-btn {
  color: rgba(255, 255, 255, 0.7);
}

.lightbox-slide-footer .gallery-card-actions .gallery-action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.lightbox-slide-footer .gallery-like-btn .heart-icon {
  stroke: rgba(255, 255, 255, 0.7);
}

.lightbox-slide-footer .gallery-like-btn:hover .heart-icon {
  stroke: #e74c5e;
}

.lightbox-slide-footer .gallery-like-btn.is-liked .heart-icon {
  fill: #e74c5e;
  stroke: #e74c5e;
}

.lightbox-slide-footer .gallery-like-btn.is-liked .like-count {
  color: #e74c5e;
}

.gallery-lightbox .carousel-arrow {
  position: absolute;
  top: 50%;
}

.gallery-lightbox .carousel-arrow--prev {
  left: 24px;
}

.gallery-lightbox .carousel-arrow--next {
  right: 24px;
}

.lightbox-counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
  font-variant-numeric: tabular-nums;
}

/* ========================================================================
   Responsive
   ======================================================================== */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
  }

  .layout-toggle {
    border-radius: 10px;
  }

  .layout-btn {
    padding: 6px 14px;
    font-size: 0.75rem;
  }

  .layout-btn span {
    display: none;
  }

  .carousel-arrow {
    width: 40px;
    height: 40px;
  }

  .carousel-arrow--prev {
    left: 10px;
  }

  .carousel-arrow--next {
    right: 10px;
  }

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

  .carousel-slide-inner img {
    height: 50vh;
  }

  .gallery-lightbox .carousel-arrow--prev {
    left: 10px;
  }

  .gallery-lightbox .carousel-arrow--next {
    right: 10px;
  }

  .gallery-lightbox-close {
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .gallery-card-footer {
    padding: 10px 14px;
  }

  .gallery-card-label {
    font-size: 0.75rem;
  }

  .gallery-controls {
    justify-content: center;
  }

  .carousel-slide-footer {
    padding: 14px 18px;
  }

  .carousel-dots {
    gap: 6px;
  }
}