/* ============================================
   SEKAI Image Viewer (Lightbox)
   ============================================ */

.sekai-image-viewer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
}

.sekai-image-viewer.active {
  display: flex;
}

/* Backdrop */
.sekai-viewer-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(2.5px);
  -webkit-backdrop-filter: blur(2.5px);
  animation: sekai-viewer-fade-in 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Image Container */
.sekai-viewer-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sekai-viewer-image {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  transition: transform 0.1s linear, opacity 0.3s ease; /* Removed transform 0.3s for smooth wheel zoom */
  user-select: none;
  -webkit-user-drag: none;
  animation: sekai-viewer-zoom-in 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  will-change: transform;
}

/* Loading Spinner */
.sekai-viewer-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: none;
}

.sekai-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: #a78bfa;
  border-radius: 50%;
  animation: sekai-spin 0.8s linear infinite;
}

/* Toolbar */
.sekai-viewer-toolbar {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(30, 25, 40, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 50px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  animation: sekai-viewer-slide-up 0.3s ease 0.1s both;
}

.sekai-viewer-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  padding: 0;
}

.sekai-viewer-btn:hover {
  background: rgba(167, 139, 250, 0.3);
  transform: scale(1.1);
}

.sekai-viewer-btn:active {
  transform: scale(0.95);
}

.sekai-viewer-scale {
  font-family: var(--sekai-font-mono, monospace);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  min-width: 50px;
  text-align: center;
  padding: 0 8px;
}

/* Info Bar */
.sekai-viewer-info {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 80%;
  padding: 10px 20px;
  background: rgba(30, 25, 40, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 20px;
  animation: sekai-viewer-slide-down 0.3s ease 0.1s both;
  z-index: 100001;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Standalone Close Button (Top Right) */
.sekai-viewer-close-fixed {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(30, 25, 40, 0.6);
  color: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 100002;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.sekai-viewer-close-fixed:hover {
  background: rgba(255, 255, 255, 0.15); /* More subtle hover */
  color: white;
  transform: rotate(90deg) scale(1.1);
}

/* Hide UI on Idle */
.sekai-image-viewer.ui-hidden .sekai-viewer-toolbar {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px);
}

.sekai-image-viewer.ui-hidden .sekai-viewer-info {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -20px);
}

.sekai-image-viewer.ui-hidden .sekai-viewer-close-fixed {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}

.sekai-image-viewer .sekai-viewer-toolbar {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.sekai-viewer-filename {
  font-size: 14px;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 500px;
  display: inline-block;
}

/* Animations */
@keyframes sekai-viewer-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes sekai-viewer-zoom-in {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes sekai-viewer-slide-up {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@keyframes sekai-viewer-slide-down {
  from {
    opacity: 0;
    transform: translate(-50%, -20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

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

/* Mobile Adjustments */
@media screen and (max-width: 600px) {
  .sekai-viewer-toolbar {
    bottom: 20px;
    padding: 10px 16px;
    gap: 6px;
  }

  .sekai-viewer-btn {
    width: 36px;
    height: 36px;
  }

  .sekai-viewer-btn svg {
    width: 18px;
    height: 18px;
  }

  .sekai-viewer-scale {
    font-size: 12px;
    min-width: 45px;
  }

  .sekai-viewer-info {
    top: 15px;
    max-width: 90%;
    padding: 8px 16px;
  }

  .sekai-viewer-filename {
    font-size: 12px;
    max-width: 300px;
  }

  .sekai-viewer-image {
    max-width: 95vw;
    max-height: 85vh;
  }
}