/* =============================================
   Gallery Page Styles
   ============================================= */

/* Gallery Controls */
.gallery-controls {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) 50px;
  /* Not sticky - stays at top, doesn't follow scroll */
  position: relative;
  background: transparent;
  z-index: 100;
}

.gallery-controls__label {
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.grid-toggle {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.1);
  padding: 4px;
  border-radius: 4px;
}

.grid-toggle__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 2px;
  transition: var(--transition-fast);
}

.grid-toggle__btn:hover {
  color: var(--color-text);
}

.grid-toggle__btn.active {
  background: var(--color-primary);
  color: var(--color-bg);
}

.grid-toggle__btn svg {
  width: 20px;
  height: 20px;
}

/* Gallery Container with 50px margin on each side */
.gallery {
  padding: 0 50px var(--space-2xl);
  position: relative;
}

/* Masonry Grid Container */
.gallery__grid {
  position: relative;
  width: 100%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery__grid.loaded {
  opacity: 1;
}

/* Gallery Item - positioned by JS */
.gallery__item {
  position: absolute;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
}

.gallery__item img {
  width: 100%;
  height: auto;
  display: block;
}

/* Expand Icon (hidden by default, no hover effects) */
.gallery__item-expand {
  display: none;
}

/* =============================================
   Lightbox
   ============================================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox__image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.lightbox__close:hover {
  color: var(--color-primary);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__nav:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

.lightbox__nav--prev {
  left: -80px;
}

.lightbox__nav--next {
  right: -80px;
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 900px) {
  .gallery,
  .gallery-controls {
    padding-left: 30px;
    padding-right: 30px;
  }
}

@media (max-width: 600px) {
  .gallery-controls {
    justify-content: center;
  }

  .gallery,
  .gallery-controls {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* =============================================
   Edit Mode - Drag and Drop
   ============================================= */
.edit-mode-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2000;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
}

.edit-mode-banner button {
  background: var(--color-bg);
  color: var(--color-primary);
  border: none;
  padding: 8px 16px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: var(--transition-fast);
}

.edit-mode-banner button:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.gallery-edit-mode .nav {
  top: 42px;
}

.gallery-edit-mode .main {
  padding-top: calc(var(--nav-height) + 42px);
}

.gallery-edit-mode .gallery__item {
  cursor: grab;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.gallery-edit-mode .gallery__item:active {
  cursor: grabbing;
}

.gallery-edit-mode .gallery__item.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}

.gallery-edit-mode .gallery__item.drag-over {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
}