.reading-assist {
  position: fixed;
  z-index: 1200;
  width: min(350px, calc(100vw - 24px));
  max-height: min(360px, 60dvh);
  overflow: auto;
  padding: 16px;
  border: 1px solid var(--line, #c4d6da);
  border-radius: 12px;
  background: var(--surface, #f9fcfc);
  color: var(--ink, #17303d);
  box-shadow: 0 8px 32px #0002;
  font: 14px/1.65 var(--sans, system-ui);
  text-align: left;
  box-sizing: border-box;
  overscroll-behavior: contain;
}
.reading-assist[hidden] {
  display: none;
}
.reading-assist .assist-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.reading-assist .assist-source {
  margin: 10px 0;
  font-size: 16px;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.reading-assist .assist-result {
  margin: 10px 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.reading-assist .assist-label,
.reading-assist .assist-status {
  color: var(--muted, #61757d);
  font-size: 12px;
}
.reading-assist .assist-status {
  min-height: 20px;
  margin: 8px 0 0;
}
.reading-assist .assist-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.reading-assist button {
  min-height: 36px;
  padding: 5px 11px;
  background: var(--panel, #e1edef);
  border: 1px solid var(--line, #c4d6da);
  border-radius: 6px;
  color: var(--ink, #17303d);
  font: inherit;
  cursor: pointer;
}
.reading-assist .assist-close {
  font-size: 20px;
  padding: 0 9px;
  background: transparent;
}
.reading-assist button:hover {
  border-color: var(--accent, #477c91);
}
.reading-assist button:focus-visible {
  outline: 2px solid var(--accent, #477c91);
  outline-offset: 2px;
}
.reading-assist button:disabled {
  cursor: default;
  opacity: 0.55;
}
.reading-assist .assist-retry[hidden] {
  display: none;
}

/* Keep selected text distinct from reading and example panels in every theme. */
.daily-shell::selection,
.daily-shell ::selection {
  background: var(--accent, #477c91);
  color: var(--surface, #f9fcfc);
}