/* Shared asset preview modal (student picker + admin) */

#asset-preview-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 100060;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

#asset-preview-modal.replaces-chooser {
  background: rgba(0, 0, 0, 0.85);
}

#asset-preview-modal.replaces-chooser .asset-preview-panel {
  width: min(720px, 100%);
  max-height: 85vh;
}

#asset-preview-modal.is-open {
  display: flex;
}

#asset-preview-modal .asset-preview-panel {
  background: #2a2a2a;
  border: 2px solid #444;
  border-radius: 8px;
  width: min(900px, 100%);
  max-height: 92vh;
  overflow: auto;
  padding: 20px;
  position: relative;
  color: #e0e0e0;
}

#asset-preview-modal .asset-preview-close {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 28px;
  border: none;
  background: none;
  color: #fff;
  cursor: pointer;
  line-height: 1;
  z-index: 2;
}

#asset-preview-modal .asset-preview-title {
  margin: 0 40px 8px 0;
  font-size: 1.1rem;
  color: #4caf50;
  word-break: break-all;
}

#asset-preview-modal .asset-preview-counter {
  font-size: 12px;
  color: #aaa;
  margin-bottom: 12px;
}

#asset-preview-modal .asset-preview-body {
  min-height: 80px;
}

#asset-preview-modal .asset-preview-url {
  margin-top: 12px;
  font-size: 12px;
  word-break: break-all;
  color: #aaa;
}

#asset-preview-modal .asset-preview-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  align-items: center;
}

#asset-preview-modal .asset-preview-footer button {
  padding: 8px 14px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: bold;
}

#asset-preview-modal .btn-preview-copy {
  background: #6f42c1;
  color: #fff;
}

#asset-preview-modal .btn-preview-select {
  background: #4caf50;
  color: #fff;
}

#asset-preview-modal .btn-preview-insert {
  background: #ff9800;
  color: #1a1a1a;
}

#asset-preview-modal .btn-preview-tags {
  background: #9c27b0;
  color: #fff;
}

#asset-preview-modal .btn-preview-nav {
  background: #555;
  color: #fff;
}

#asset-preview-modal .preview-image {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 6px;
  display: block;
  margin: 0 auto;
  background: #111;
}

#asset-preview-modal .preview-video video {
  width: 100%;
  max-height: 70vh;
  background: #111;
  border-radius: 6px;
}

#asset-preview-modal .preview-audio audio {
  width: 100%;
  max-width: 480px;
  display: block;
  margin: 0 auto 8px;
}

#asset-preview-modal .preview-3d-wrap {
  position: relative;
}

#asset-preview-modal .preview-3d-frame {
  width: 100%;
  min-height: 420px;
  height: min(70vh, 560px);
  border: 1px solid #555;
  border-radius: 8px;
  background: #ececec;
  display: block;
}

#asset-preview-modal .preview-3d-controls {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(20, 20, 20, 0.9);
  border-radius: 8px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 2;
}

#asset-preview-modal .preview-3d-controls label {
  font-size: 10px;
  color: #aaa;
  text-align: center;
}

#asset-preview-modal .preview-3d-mode-row {
  display: flex;
  gap: 4px;
}

#asset-preview-modal .preview-3d-mode-row button {
  flex: 1;
  padding: 4px 6px;
  font-size: 11px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background: #444;
  color: #ccc;
}

#asset-preview-modal .preview-3d-mode-row button.active {
  background: #2196f3;
  color: #fff;
}

#asset-preview-modal .preview-3d-mode-row button[data-mode='look'].active {
  background: #4caf50;
}

#asset-preview-modal .btn-preview-3d-reset {
  padding: 4px 8px;
  font-size: 11px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background: #2196f3;
  color: #fff;
}

#asset-preview-modal .preview-hint {
  font-size: 12px;
  color: #aaa;
  margin: 8px 0 4px;
  text-align: center;
}

#asset-preview-modal .preview-filename {
  font-size: 13px;
  color: #ccc;
  margin: 0;
  word-break: break-all;
  text-align: center;
}

#asset-preview-modal .preview-unavailable {
  color: #aaa;
  margin: 0;
  text-align: center;
  padding: 20px;
}

/* Clickable list thumbs */
.asset-thumb-clickable {
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.asset-thumb-clickable:hover {
  outline: 2px solid #4caf50;
  outline-offset: 1px;
}

.asset-thumb-magnify {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  pointer-events: none;
}

/* Picker row thumb sizing */
#common-assets-modal .ca-item-thumb-wrap.asset-thumb-clickable {
  width: 72px;
  height: 72px;
}

#common-assets-modal .ca-item-thumb-wrap .ca-item-thumb,
#common-assets-modal .ca-item-thumb-wrap.ca-item-thumb {
  width: 72px;
  height: 72px;
}

#common-assets-modal .ca-item-thumb-wrap .ca-item-thumb-fallback {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: #222;
  border-radius: 4px;
}

#common-assets-modal .btn-preview-ca {
  background: #17a2b8;
  color: #fff;
}

/* Admin grid thumbs */
.asset-grid .asset-thumb-clickable .asset-thumb,
.asset-grid .asset-thumb-clickable.asset-thumb {
  margin-bottom: 0;
}

.asset-grid .asset-thumb-clickable {
  margin-bottom: 8px;
}