/* Study figures are requested only after their study is opened. */
.research .direction-expand-btn:focus-visible,
.research .paper-detail-toggle:focus-visible,
.research .research-figure-open:focus-visible {
  outline: 3px solid var(--theme-accent);
  outline-offset: 4px;
}
.research .paper-detail-toggle {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--theme-line);
  border-radius: 50%;
  color: var(--theme-accent);
  background: rgba(var(--theme-accent-rgb), .07);
}
.research .paper-detail-toggle .paper-expand-icon { margin: 0; }
.research .figure-help { font-size: 12px; color: var(--theme-muted); }
.research .research-figure-open {
  display: block;
  width: 100%;
  padding: 0;
  border-radius: 8px;
  background: transparent;
  cursor: zoom-in;
}
.research .paper-body .research-figure-open img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}
.research .paper-body .img-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  overflow: visible;
}
.research-figure-viewer {
  width: min(1200px, 96vw);
  height: 90dvh;
  max-width: 96vw;
  max-height: 94dvh;
  margin: auto;
  padding: 0;
  border: 1px solid var(--theme-line);
  border-radius: 16px;
  background: var(--theme-surface);
  color: var(--theme-ink);
}
.research-figure-viewer[open] { display: flex; flex-direction: column; }
.research-figure-viewer::backdrop { background: rgba(8, 12, 20, .84); }
.research-figure-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--theme-line);
}
.research-figure-toolbar h2 {
  flex: 1 1 200px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
}
.research-figure-toolbar button,
.research-figure-toolbar a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 40px;
  min-height: 40px;
  padding: 6px 10px;
  border: 1px solid var(--theme-line);
  border-radius: 8px;
  color: var(--theme-accent);
  background: var(--theme-soft);
  font: inherit;
  font-size: 13px;
}
.research-figure-toolbar button:disabled { opacity: .45; cursor: default; }
.research-figure-toolbar :focus-visible { outline: 2px solid var(--theme-accent); outline-offset: 2px; }
.research-figure-stage { flex: 1; min-height: 0; overflow: auto; background: var(--theme-page); }
.research-figure-canvas { display: grid; place-items: center; padding: 16px; }
.research-figure-canvas img { display: block; max-width: none; flex-shrink: 0; background: white; }
.research-figure-status { padding: 4px 16px; font-size: 12px; color: var(--theme-muted); }
@media (max-width: 767px) {
  article.research { padding: 16px 12px; }
  .research .research-directions { margin-inline: -12px; }
  .research .direction-overlay { padding-inline: 16px; }
  .research .direction-papers { padding: 6px; gap: 10px; }
  .research .paper-card-header { padding: 14px 10px; gap: 8px; }
  .research .paper-number { width: 22px; height: 22px; font-size: 10px; }
  .research .paper-title-block { min-width: 0; }
  .research .paper-title-block h4 { font-size: 14px; line-height: 1.5; }
  .research .paper-body { padding: 14px 10px; font-size: 14px; line-height: 1.65; }
  .research .paper-body .img-row { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .research .paper-body .research-figure-open img { max-width: 100% !important; }
  .research .paper-detail-toggle { width: 32px; height: 32px; }
  .research .paper-links { gap: 6px; flex-wrap: wrap; }
  .research .paper-body figcaption { font-size: 12px; }
  .research-figure-viewer { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; border-radius: 0; }
  .research-figure-toolbar { padding: 10px; gap: 6px; }
  .research-figure-toolbar h2 { flex-basis: calc(100% - 52px); order: -2; }
  .research-figure-toolbar [data-figure-close] { order: -1; }
}