.reading-assistant {
  margin: 1rem 0;
  border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--border));
  border-radius: 1rem;
  background: color-mix(in srgb, var(--primary) 5%, var(--surface));
  overflow: hidden;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.reading-assistant-entry,
.reading-assistant-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.reading-assistant-entry { padding: 1rem 1.15rem; }
.reading-assistant-entry h2 { margin: 0; font-size: 1.08rem; }
.reading-assistant-entry p:not(.reading-assistant-kicker) { margin: .25rem 0 0; color: var(--muted); font-size: .9rem; }
.reading-assistant-kicker { margin: 0 0 .15rem; color: var(--primary); font-size: .76rem; font-weight: 800; letter-spacing: .04em; }
.reading-assistant-panel { padding: 1.1rem; border-top: 1px solid var(--border); background: var(--surface); }
.reading-assistant-panel[hidden] { display: none; }
.reading-assistant-status { min-height: 1.35em; margin: .8rem 0; color: var(--muted); font-size: .9rem; }
.reading-assistant-status.is-error { color: var(--danger); }
.reading-chunks { display: flex; align-items: flex-start; flex-wrap: wrap; gap: .65rem .35rem; line-height: 1.5; }
.reading-chunk-unit { display: inline-grid; grid-template-rows: auto minmax(1.5em, auto); align-items: start; max-width: min(100%, 22rem); }
.reading-chunk-source {
  border: 1px solid var(--border);
  border-radius: .55rem;
  padding: .45rem .6rem;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 650;
  text-align: left;
  white-space: normal;
  cursor: pointer;
}
.reading-chunk-source:hover { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 8%, var(--surface)); }
.reading-chunk-source[aria-expanded="true"] { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 12%, var(--surface)); }
.reading-chunk-translation { padding: .35rem .55rem 0; color: var(--primary); font-size: .9rem; overflow-wrap: anywhere; }
.reading-chunk-translation[hidden] { display: block; visibility: hidden; }
.reading-chunk-slash { padding-top: .45rem; color: var(--muted); font-weight: 800; }
.reading-assistant-actions { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin-top: 1rem; }
.reading-assistant-actions[hidden] { display: none; }
.reading-assistant-actions span { color: var(--muted); font-size: .88rem; }
.reading-assistant-source-hidden { display: none !important; }
@media (max-width: 620px) {
  .reading-assistant-entry { align-items: stretch; flex-direction: column; }
  .reading-assistant-entry .btn { width: 100%; }
  .reading-assistant-toolbar { align-items: flex-start; }
  .reading-chunks { display: grid; grid-template-columns: 1fr; }
  .reading-chunk-unit { max-width: 100%; }
  .reading-chunk-slash { display: none; }
}