.pdf-playlist__layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 1rem;
  align-items: start;
}

/* Viewer */
.pdf-playlist__viewer {
  border-radius: 0.75rem;
  overflow: hidden;
  background: #f7f7f7;
  min-height: 480px;
}

.pdf-playlist__viewer .pdfemb-viewer,
.pdf-playlist__viewer iframe {
  width: 100% !important;
  display: block;
}

/* Editor placeholder */
.pdf-playlist__viewer--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed #d3d3d3;
  background: #fafafa;
  min-height: 320px;
}

.pdf-playlist__viewer-inner {
  text-align: center;
  color: #666;
  padding: 2rem;
}

.pdf-playlist__viewer-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.5rem;
}

.pdf-playlist__viewer-note {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
}

.pdf-playlist__viewer-title {
  display: block;
  font-size: 1rem;
  color: #0a0a0a;
  margin-bottom: 0.25rem;
}

.pdf-playlist__viewer-url {
  margin: 0;
  font-size: 0.7rem;
  color: #999;
  word-break: break-all;
}

/* List */
.pdf-playlist__list {
  overflow-y: auto;
  border: 1px solid #e2e2e2;
  border-radius: 1rem;
}

.pdf-playlist__list-header {
  background-color: #f7f7f7;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: #777777;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
  border-bottom: 1px solid #e2e2e2;
  padding: 0.75rem 1rem;
}

.pdf-playlist__list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.pdf-playlist__list li {
  display: flex;
  padding: 0;
  align-items: stretch;
  gap: 0;
  border-top: 1px solid #e2e2e2;
  transition: all 0.15s ease;
}

.pdf-playlist__list li:first-of-type {
  border-top: none;
}

.pdf-playlist__list li.active {
  border-left: 2px solid #18a854;
  background: #18a85412;
}

.pdf-playlist__list li.active,
.pdf-playlist__list li.active + li {
  border-top-color: #18a854;
}

.pdf-playlist__list li:hover {
  background: #f7f7f7;
}

/* List item link (frontend) */
.pdf-playlist__list li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  flex: 1;
  text-decoration: none;
  color: inherit;
}

/* List item main (editor) */
.pdf-playlist__item-main {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  flex: 1;
  cursor: pointer;
  min-width: 0;
}

.pdf-playlist__item-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  font-size: 1rem;
  font-variant-emoji: text;
  color: #aaaaaa;
  background: #efefef;
  border: 1px solid #e2e2e2;
  border-radius: 0.5rem;
}

.pdf-playlist__list li.active .pdf-playlist__item-icon {
  color: #18a854;
  background: #18a85412;
  border-color: #18a85440;
}

.pdf-playlist__item-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  min-width: 0;
  flex: 1;
}

.pdf-playlist__item-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: #0a0a0a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Editor-only item actions */
.pdf-playlist__item-actions {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  padding-right: 0.5rem;
}

.pdf-playlist--editor .pdf-playlist__item-info .components-base-control {
  margin-bottom: 0;
}

@media (max-width: 960px) {
  .pdf-playlist__layout {
    grid-template-columns: 1fr;
  }
}