/* Lite Light - Lightweight Lightbox Utility Styles */

.lite-light {
  --ll-overlay: rgba(0, 0, 0, 0.75);
  --ll-duration: 0.15s;
  --ll-radius: 6px;
  --ll-image-bg: #fff;
  --ll-control: #fff;

  align-items: center;
  background: var(--ll-overlay);
  display: flex;
  height: 100%;
  justify-content: center;
  left: 0;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  top: 0;
  transition: opacity 0.25s ease, visibility 0.25s;
  visibility: hidden;
  width: 100%;
  z-index: 1000;

  &.lite-light-active {
    opacity: 1;
    pointer-events: auto;
    /* Keep pinch/pan on the image — block browser page zoom/scroll on the overlay */
    touch-action: none;
    visibility: visible;
  }

  /* Loading spinner — shown only while lite-light-loading is set */
  &::after {
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    border-top-color: rgba(255, 255, 255, 0.8);
    content: '';
    height: 36px;
    opacity: 0;
    position: absolute;
    visibility: hidden;
    width: 36px;
  }

  &.lite-light-loading::after {
    animation: lite-light-spin 0.8s linear infinite;
    opacity: 1;
    visibility: visible;
  }

  .lite-light-prev {
    left: 10px;
    position: absolute;
  }

  .lite-light-next {
    position: absolute;
    right: 10px;
  }

  img {
    background-color: var(--ll-image-bg);
    border-radius: var(--ll-radius);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
    max-height: 90%;
    max-width: 90%;
    opacity: 1;
    padding: 7px;
    position: relative;
    transform-origin: center center;
    transition: opacity var(--ll-duration) ease-in-out, transform var(--ll-duration) ease-in-out;
    z-index: 1;

    /* Disable transform easing while pinching/panning — Safari stutters if every
       rAF zoom update is interpolated by transition */
    &.lite-light-zooming {
      transition: opacity var(--ll-duration) ease-in-out, transform 0s;
      will-change: transform;
    }

    &.lite-light-no-transform-transition {
      transition: opacity var(--ll-duration) ease-in-out, transform 0s;
    }

    &.lite-light-entering {
      transform: scale(0.98);
    }

    &.lite-light-entering.lite-light-entered {
      transform: scale(1);
    }
  }
}

@supports (backdrop-filter: blur(2px)) {
  .lite-light {
    backdrop-filter: blur(4px);
  }

  /* Blur is expensive on iOS during live transform updates — drop it for the gesture */
  .lite-light.lite-light-gesture {
    backdrop-filter: none;
  }
}

/* Navigation Button Touch Targets */
.lite-light-button {
  align-items: center;
  cursor: pointer;
  display: flex;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  transition: transform 0.2s ease;

  &:focus-visible {
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.15);
    outline: 2px solid var(--ll-control);
    outline-offset: 2px;
  }
}

.lite-light-prev.lite-light-button,
.lite-light-next.lite-light-button {
  background: none;
}

/* Navigation Arrows */
.lite-light-arrow {
  border: solid var(--ll-control);
  border-width: 0 1px 1px 0;
  display: inline-block;
  padding: 10px;
  transform: scale(1.0);
  transition: transform 0.3s ease;

  &:hover {
    cursor: pointer;
    transform: scale(1.1);
  }

  &.lite-light-right {
    margin-right: 10px;
    transform: scale(1.00) rotate(-45deg);

    &:hover {
      transform: scale(1.05) rotate(-45deg);
    }
  }

  &.lite-light-left {
    margin-left: 10px;
    transform: scale(1.00) rotate(135deg);

    &:hover {
      transform: scale(1.05) rotate(135deg);
    }
  }
}

/* Close Button */
.lite-light-close {
  &.lite-light-button {
    align-items: center;
    background: none;
    border: none;
    box-sizing: border-box;
    color: white;
    cursor: pointer;
    flex-direction: column;
    height: 44px;
    justify-content: center;
    min-height: 44px;
    min-width: 44px;
    padding: 0;
    position: absolute;
    right: max(4px, env(safe-area-inset-right, 0px));
    top: max(4px, env(safe-area-inset-top, 0px));
    transform: scale(1.0);
    width: 44px;

    &:hover {
      transform: scale(1.05);
    }
  }

  .lite-light-bar {
    background-color: var(--ll-control);
    display: block;
    height: 1px;
    position: absolute;
    width: 20px;

    &:nth-of-type(1) {
      transform: rotate(45deg);
    }

    &:nth-of-type(2) {
      transform: rotate(-45deg);
    }
  }
}

/* Animation keyframes for fading (legacy — integrators may still target these) */
@keyframes lite-light-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes lite-light-fade-out {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes lite-light-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Animation classes */
.lite-light-fade-in {
  animation: lite-light-fade-in 0.15s ease-in-out forwards;
}

.lite-light-fade-out {
  animation: lite-light-fade-out 0.15s ease-in-out forwards;
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
  .lite-light {
    .lite-light-prev,
    .lite-light-next {
      display: none;
    }

    img {
      max-height: 80vh;
      max-width: 90%;
      padding: 5px;
    }

    .lite-light-close.lite-light-button {
      right: max(14px, env(safe-area-inset-right, 0px));
      top: max(14px, env(safe-area-inset-top, 0px));
    }
  }
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  .lite-light {
    transition: none;

    img {
      transition: none;

      &.lite-light-entering,
      &.lite-light-entering.lite-light-entered {
        transform: none;
      }
    }
  }

  .lite-light-fade-in,
  .lite-light-fade-out {
    animation-duration: 0.01s;
  }

  .lite-light.lite-light-loading::after {
    animation: none;
  }
}

/* Mobile Safari — keep the zooming image on its own compositor layer.
   Do not set `transform` here — that would fight the inline pinch transform. */
@supports (-webkit-touch-callout: none) {
  .lite-light img.lite-light-zooming {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
  }
}