.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 24px;
  height: 24px;
  padding: 3px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  vertical-align: middle;
}
.copy-button svg { width: 15px; height: 15px; }
.copy-button:hover {
  color: var(--teal);
  background: var(--selected);
  border-color: var(--line);
}
.copy-button[data-copy-state="success"] { color: var(--teal); background: var(--selected); }
.copy-button[data-copy-state="failed"] { color: var(--danger); background: var(--danger-bg); }
.copy-button[aria-busy="true"] { cursor: wait; }
.copy-button:focus-visible,
.image-zoom:focus-visible,
.image-dialog-close:focus-visible,
.image-dialog-retry:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.image-zoom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: auto;
  height: auto;
  padding: 0;
  border: 0;
  outline: 1px solid var(--line);
  outline-offset: -1px;
  border-radius: 5px;
  background: #fff;
  line-height: 0;
  cursor: zoom-in;
}
.image-zoom:hover { outline-color: var(--focus); }
.image-zoom[hidden] { display: none; }
.research-copy-fallback {
  position: fixed;
  inset-inline-start: -10000px;
  inset-block-start: 0;
  width: 1px;
  height: 1px;
  padding: 0;
  border: 0;
  opacity: 0;
  font-size: 16px;
}

.research-interaction-notice {
  position: fixed;
  z-index: 100;
  inset-inline-start: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  width: max-content;
  max-width: min(90vw, 560px);
  padding: 10px 18px;
  border-radius: 7px;
  background: var(--teal);
  color: var(--surface);
  font-size: 13px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.research-interaction-notice[hidden] { display: none; }

body.research-image-open { overflow: hidden; }
.research-image-dialog {
  width: min(90vw, 1000px);
  max-width: calc(100vw - 24px);
  max-height: 90vh;
  max-height: 90dvh;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}
.research-image-dialog::backdrop { background: rgba(12, 36, 32, .7); }
.research-image-dialog [hidden] { display: none !important; }
.image-dialog-shell {
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-height: 90vh;
  max-height: 90dvh;
}
.image-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex: none;
  gap: 20px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.image-dialog-title {
  min-width: 0;
  margin: 4px 0 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.image-dialog-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 34px;
  height: 34px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--teal);
}
.image-dialog-close:hover,
.image-dialog-retry:hover { background: var(--selected); }
.image-dialog-close svg { width: 18px; height: 18px; }
.image-dialog-body {
  display: grid;
  place-items: center;
  flex: 1;
  min-width: 0;
  min-height: 0;
  padding: 20px;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-color: #9db1a1 var(--soft);
  background: #fff;
}
.research-image-dialog[data-state="loading"] .image-dialog-body,
.research-image-dialog[data-state="error"] .image-dialog-body { min-height: min(260px, 50dvh); }
.image-dialog-image {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: min(70vh, 760px);
  max-height: min(70dvh, 760px);
  object-fit: contain;
}
.image-dialog-status {
  max-width: 58ch;
  margin: 0;
  padding: 20px 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  text-align: center;
  overflow-wrap: anywhere;
}
.research-image-dialog[data-state="error"] .image-dialog-status { color: var(--danger); }
.image-dialog-retry {
  min-height: 36px;
  margin: 0 0 20px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--teal);
  font-size: 13px;
}

@media (max-width: 700px) {
  .copy-button { width: 28px; height: 28px; padding: 5px; }
  .research-image-dialog { width: calc(100vw - 24px); border-radius: 10px; }
  .image-dialog-header { gap: 12px; padding: 12px; }
  .image-dialog-title { font-size: 14px; }
  .image-dialog-close { width: 38px; height: 38px; padding: 9px; }
  .image-dialog-body { padding: 12px; }
  .image-dialog-image { max-height: 65vh; max-height: 65dvh; }
  .image-dialog-status { padding: 18px 4px; }
  .image-dialog-retry { min-height: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .copy-button, .image-zoom, .image-dialog-close, .image-dialog-retry { transition: none; }
}
@media (forced-colors: active) {
  .copy-button, .image-zoom, .image-dialog-close, .image-dialog-retry { border-color: ButtonText; }
  .copy-button[data-copy-state], .research-image-dialog { color: CanvasText; }
  .research-image-dialog::backdrop { background: Canvas; opacity: .75; }
}