.hidden {
  display: none;
}
.attachment-upload {
  text-align: center;
  font-weight: bold;
}
.attachment-gallery {
  display: grid;
  grid-auto-flow: row;
}
.attachment-item {
  display: grid;
  grid-template-columns: 10ch auto;
  align-items: center;
  grid-template-rows: repeat(auto-fit, minmax(1.5lh, auto));
  justify-content: stretch;
  gap: 2ch;
  padding: 2ch;
  border-radius: 0.6ch;
}

.attachment-item:hover {
  background: #e0e0e0;
}

.attachment-details-container {
  display: flex;
  flex: 1;
}

.attachment-thumbnail-container {
  display: flex;
  flex: 1;
  position: relative;
}

.attachment-thumbnail {
  /* more deterministic outcome */
  aspect-ratio: 1/1;
  object-fit: cover;
  max-width: 100%;
  cursor: pointer;
  border-radius: 0.4ch;
}
.attachment-thumbnail-text {
  flex: 1;
  text-align: center;
  border-radius: 2px;
  border: 1px solid #ccc;
}
.attachment-details {
  display: flex;
  flex: 1;
  gap: 0.5ch;
  align-items: center;
}
.attachment-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.5ch;
}

body.mobile-mode .attachment-actions {
  flex-direction: column;
  gap: 0;
}

.add-attachment {
  border: 1px dashed #555;
  border-radius: .5ch;
  cursor: pointer;
  aspect-ratio: 1/1;
  height: 1.5lh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon {
  font-size: 1.5em;
  cursor: pointer;
}
.icon:hover {
  color: #666;
}
#viewer-overlay {
  width: 100%;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999 !important;
  background: rgba(13, 13, 13, 0.95);
}
#viewer-container {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  height: 100%;
}
#viewer-top-bar {
  display: grid;
  grid-template-columns: 1fr auto;
  justify-content: center;
  justify-items: center;
  font-size: 2rem;
  padding: 0.3lh 0.5ch;
}
#attachment-name {
  color: white;
  text-overflow: ellipsis;
  overflow: hidden;
}
#viewer-close {
  color: white;
  cursor: pointer;
  position: absolute;
  right: 50px;
  top: 16px;
  font-size: 2em;
}

/* Upload progress indicators for drag-and-drop uploads */
.minicard-upload-progress,
.card-details-upload-progress {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 0.4ch;

}

.upload-progress-header {
  display: flex;
  align-items: center;
  font-weight: bold;
  color: #495057;
}

.upload-progress-header i {
  color: #007bff;
}

.upload-progress-item {
  display: flex;
  flex-direction: column;
  background: white;
  border-radius: 3px;
  border: 1px solid #dee2e6;
}

.upload-progress-item.upload-error {
  border-color: #dc3545;
  background: #f8d7da;
}

.upload-progress-filename {
  font-weight: 500;
  color: #495057;
  word-break: break-all;
}

.upload-progress-bar {
  background: #e9ecef;
  border-radius: 3px;
  overflow: hidden;
}

.upload-progress-fill {
  background: linear-gradient(90deg, #007bff, #0056b3);
  transition: width 0.3s ease;
  border-radius: 3px;
}

.upload-progress-item.upload-error .upload-progress-fill {
  background: #dc3545;
}

.upload-progress-error,
.upload-progress-success {
  display: flex;
  align-items: center;
  font-weight: 500;
}

.upload-progress-error {
  color: #dc3545;
}

.upload-progress-success {
  color: #28a745;
}

/* Drag over state for minicards */
.minicard.is-dragging-over {
  border: 2px dashed #007bff !important;
  background: rgba(0, 123, 255, 0.1) !important;
}

/* Drag over state for card details */
.js-card-details.is-dragging-over {
  border: 2px dashed #007bff !important;
  background: rgba(0, 123, 255, 0.05) !important;
}
.attachment-arrow {
  font-size: 4em;
  color: white;
  cursor: pointer;
  align-self: center;
}
#prev-attachment {
  font-size: 4em;
  color: white;
  cursor: pointer;
  align-self: center;
  margin-left: 70px;
}
#next-attachment {
  font-size: 4em;
  color: white;
  cursor: pointer;
  align-self: center;
  margin-right: 70px;
}
#viewer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: calc(100% - 50px);
}
#image-viewer {
  background: repeating-conic-gradient(#808080 0% 25%, transparent 0% 50%) 50% /
    20px 20px; /* Checkerboard background for transparent images */
  max-width: 100%;
  max-height: 100%;
}
#video-viewer {
  max-width: 100%;
  max-height: 100%;
}
#audio-viewer {
  max-width: 100%;
}
#pdf-viewer {
  width: 40vw;
  height: 100%;
}
#txt-viewer {
  background-color: white;
  width: 40vw;
  height: 100%;
}
.pdf-preview-error {
  margin-top: 20vh;
  display: block;
  font-size: 2em;
  color: white;
}

@media screen and (max-width: 1600px) {
  #pdf-viewer {
    width: 60vw;
  }
}

@media screen and (max-width: 800px) {
  #viewer-container {
    display: block;
  }
  .attachment-arrow {
    position: absolute;
    bottom: 2.2em;
    font-size: 1.6em;
  }
  #prev-attachment {
    left: 0;
    position: absolute;
    bottom: 2.2em;
    font-size: 1.6em;
    padding: 16px;
    margin-left: 0;
  }
  #next-attachment {
    right: 0;
    position: absolute;
    bottom: 2.2em;
    font-size: 1.6em;
    padding: 16px;
    margin-right: 0;
  }
  #pdf-viewer {
    width: 100%;
    height: calc(
      100vh - 155px
    ); /* Full height - height of top and bottom bars */
  }
  #txt-viewer {
    width: 100%;
    height: calc(
      100vh - 155px
    ); /* Full height - height of top and bottom bars */
  }
  #audio-viewer {
    margin-top: 20%;
    width: 100%;
  }
  .attachment-details {
    flex-direction: column;
  }
  .attachment-actions {
    flex-direction: row;
  }
}