// Main wrapper
.tcgelements-gallery-stack {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;

  // Gallery wrap container
  .gallery-wrap {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;

    &--dense {
      margin: 0;
    }
  }

  // Main gallery container
  .gallery {
    position: relative;
    width: 100%;
    height: 100%;
    flex: none;

    &--stack {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      align-items: center;
      justify-content: start;
      gap: 2rem;
      padding: 2rem;
      --offset: 1rem;
      position: relative;
      min-height: 100vh;

      // Gallery items
      .gallery__item {
        width: 25vw;
        height: 500px;
        z-index: 1;
        position: relative;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        border-radius: 10px;
        will-change: transform;

        a {
          position: absolute;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
          display: block;
          text-decoration: none;
          z-index: 2;
        }
      }

      // Caption positioning (initial state)
      .caption {
        position: absolute;
        top: 0;
        left: 100vw;
        width: 100vw;
        padding: 5vw;
        opacity: 0;
        z-index: 0;
        font-size: clamp(1rem, 3vw, 1.75rem);
        font-weight: 400;

        .title,
        h2 {
          margin: 0;
          font-size: 12vw;
          line-height: 1;
        }
      }

      // Switched state (stacked state after animation)
      &.gallery--switch {
        .gallery__item {
          grid-area: 1 / 1 / 2 / 2;

          &:nth-child(2) {
            margin-left: var(--offset);
          }

          &:nth-child(3) {
            margin-left: calc(var(--offset) * 2);
          }

          &:nth-child(4) {
            margin-left: calc(var(--offset) * 3);
          }

          &:nth-child(5) {
            margin-left: calc(var(--offset) * 4);
          }

          &:nth-child(6) {
            margin-left: calc(var(--offset) * 5);
          }
        }

        .caption {
          left: 0;
          opacity: 1;
        }
      }

      // Dark style variant
      &.gallery--stack-dark {
        .gallery__item {
          filter: opacity(1);
        }

        &.gallery--switch {
          .gallery__item:nth-child(2) {
            filter: brightness(0.9);
          }

          .gallery__item:nth-child(3) {
            filter: brightness(0.8);
          }

          .gallery__item:nth-child(4) {
            filter: brightness(0.7);
          }

          .gallery__item:nth-child(5) {
            filter: brightness(0.6);
          }

          .gallery__item:nth-child(6) {
            filter: brightness(0.5);
          }
        }
      }

      // Glass style variant
      &.gallery--stack-glass {
        .gallery__item {
          filter: opacity(1);
        }

        &.gallery--switch {
          .gallery__item {
            opacity: 0.7;
          }
        }
      }

      // Scale style variant
      &.gallery--stack-scale {
        &.gallery--switch {
          .gallery__item:nth-child(2) {
            transform: scale(0.98);
          }

          .gallery__item:nth-child(3) {
            transform: scale(0.96);
          }

          .gallery__item:nth-child(4) {
            transform: scale(0.94);
          }

          .gallery__item:nth-child(5) {
            transform: scale(0.92);
          }

          .gallery__item:nth-child(6) {
            transform: scale(0.9);
          }
        }
      }

      // Inverse z-index ordering
      &.gallery--stack-inverse {
        .gallery__item:nth-child(1) {
          z-index: 6;
        }

        .gallery__item:nth-child(2) {
          z-index: 5;
        }

        .gallery__item:nth-child(3) {
          z-index: 4;
        }

        .gallery__item:nth-child(4) {
          z-index: 3;
        }

        .gallery__item:nth-child(5) {
          z-index: 2;
        }
      }
    }
  }

  // Utility classes
  .text-uppercase {
    text-transform: uppercase;
  }

  .fw-600 {
    font-weight: 600;
  }
}

// Responsive styles
@media screen and (min-width: 53em) {
  .tcgelements-gallery-stack {
    .gallery {
      &--stack {
        .caption {
          top: 10%;
          width: 60vw;
          max-width: 800px;
        }

        &.gallery--switch {
          .caption {
            left: 40vw;
          }
        }
      }
    }
  }
}