.puzzle-review-tools {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
  min-inline-size: 0;
}
.puzzle-review-nav { display: flex; gap: 4px; flex: 0 0 auto; }
.puzzle-review-step {
  display: grid;
  place-items: center;
  inline-size: 44px;
  min-block-size: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-subtle);
  color: var(--text);
  cursor: pointer;
}
.puzzle-review-step svg {
  inline-size: 24px;
  block-size: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.puzzle-review-step:disabled { opacity: .42; cursor: default; }
.puzzle-review-step:not(:disabled):hover {
  background: color-mix(in srgb, var(--brand) 12%, var(--surface-subtle));
  border-color: var(--brand);
}
.puzzle-review-step:focus-visible, .puzzle-analysis-expand:focus-visible, .puzzle-analysis-preview:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -2px;
}
.puzzle-spa .puzzle-review-step { inline-size: 48px; min-block-size: 48px; }
.puzzle-spa .puzzle-board-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.puzzle-player-rating { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; font-weight: 700; }
.puzzle-player-rating [data-user-puzzle-rating] { color: var(--text); font-weight: 850; font-variant-numeric: tabular-nums; }
.puzzle-player-rating .km-puzzle-rating-delta {
  margin: 0;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--success-soft);
  color: var(--success);
  font-size: inherit;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}
.puzzle-player-rating .km-puzzle-rating-delta.is-loss { background: var(--danger-soft); color: var(--danger); }
.puzzle-player-rating .km-puzzle-rating-delta[hidden] { display: none; }
.mastery-shell .mastery-lesson-progress-row { grid-template-columns: minmax(0, 1fr) auto auto; }
.mastery-lesson-progress-row .mastery-lesson-rating { white-space: nowrap; }
.puzzle-review-position {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.puzzle-inline-analysis {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  flex: 1 1 auto;
  align-items: center;
  column-gap: 6px;
  min-inline-size: 0;
  min-block-size: 36px;
  padding: 0 7px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-subtle);
  color: var(--text);
  font-size: .77rem;
}
.puzzle-analysis-switch { display: inline-flex; align-items: center; gap: 5px; min-block-size: 30px; cursor: pointer; }
.puzzle-analysis-switch span { white-space: nowrap; }
.puzzle-analysis-switch input {
  appearance: none;
  display: flex;
  align-items: center;
  direction: ltr;
  flex: 0 0 30px;
  inline-size: 30px;
  block-size: 17px;
  margin: 0;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface-strong);
  cursor: pointer;
}
.puzzle-analysis-switch input::after {
  content: "";
  inline-size: 11px;
  block-size: 11px;
  border-radius: 50%;
  background: var(--muted);
}
.puzzle-analysis-switch input:checked { justify-content: flex-end; background: var(--brand); }
.puzzle-analysis-switch input:checked::after { background: #fff; }
.puzzle-analysis-switch input:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.puzzle-analysis-readout { display: contents; }
[data-puzzle-analysis-score], [data-puzzle-analysis-dialog-score] { color: var(--text); font-weight: 850; font-variant-numeric: tabular-nums; }
[data-puzzle-analysis-score]:empty { display: none; }
.puzzle-analysis-expand, .puzzle-analysis-dialog button {
  min-block-size: 28px;
  padding-inline: 7px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 750;
  white-space: nowrap;
  cursor: pointer;
}
.puzzle-analysis-preview {
  grid-column: 1 / -1;
  padding: 2px;
  border-block-start: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: thin;
  white-space: nowrap;
  font-weight: 650;
  line-height: 1.3;
}
.puzzle-analysis-preview[dir="ltr"] { font-variant-numeric: tabular-nums; }
.puzzle-analysis-dialog {
  inline-size: min(38rem, calc(100vw - 24px));
  max-block-size: min(80dvh, 32rem);
  padding: clamp(12px, 4vw, 24px);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  font-size: .94rem;
}
.puzzle-analysis-dialog::backdrop { background: rgb(12 20 17 / .68); }
.puzzle-analysis-dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.puzzle-analysis-dialog h2 { margin: 0; font-size: 1.05rem; }
.puzzle-analysis-dialog p { margin: 8px 0 12px; color: var(--muted); }
.puzzle-analysis-dialog button { min-block-size: 40px; padding-inline: 12px; }
.puzzle-analysis-variation { display: flex; flex-wrap: wrap; gap: 6px; }
.puzzle-analysis-variation span {
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-subtle);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.puzzle-review-tools[hidden], .puzzle-review-nav[hidden], .puzzle-inline-analysis[hidden],
.puzzle-analysis-readout[hidden], .puzzle-analysis-expand[hidden] { display: none; }

@media (max-width: 799px) and (orientation: portrait) {
  .mastery-shell .mastery-lesson-screen .mastery-lesson-progress-row {
    display: grid;
    flex-basis: auto;
    height: auto;
    min-height: 23px;
    gap: 5px;
  }
  .mastery-shell .mastery-lesson-screen:is(.km-fit-ultra, .km-fit-micro) .mastery-lesson-progress-row {
    display: grid;
    flex-basis: auto;
    height: auto;
  }
  .mastery-shell .mastery-lesson-meta { display: none !important; }
  .mastery-shell .mastery-lesson-progress-row .puzzle-player-rating { font-size: .69rem !important; }
  .mastery-shell .mastery-lesson-screen .mastery-lesson-task .mastery-companion-hud {
    grid-column: 1 / -1 !important;
    justify-content: center !important;
  }
}
@media (max-width: 520px) {
  body.puzzle-page-body .puzzle-board-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    grid-template-rows: minmax(34px, auto) !important;
  }
  body.puzzle-page-body .puzzle-board-actions .button { grid-area: auto !important; }
  .puzzle-inline-analysis { font-size: .69rem; min-block-size: 32px; }
  .puzzle-review-nav .puzzle-review-step { inline-size: 38px; min-block-size: 38px; }
  .puzzle-spa .puzzle-review-nav .puzzle-review-step { inline-size: 40px; min-block-size: 40px; }
}
@media (max-width: 520px) and (max-height: 700px) {
  body.puzzle-page-body .puzzle-side-panel { gap: 4px !important; padding: 4px 8px !important; }
  body.puzzle-page-body .puzzle-instruction { padding-block: 3px !important; }
  body.puzzle-page-body .puzzle-spa:has(.puzzle-inline-analysis:not([hidden])) .puzzle-progress { display: none; }
  .puzzle-review-tools { gap: 4px; }
  .puzzle-inline-analysis { column-gap: 4px; padding-inline: 5px; }
  .puzzle-analysis-switch { gap: 3px; }
  .puzzle-analysis-switch input { flex-basis: 28px; inline-size: 28px; }
  .puzzle-analysis-expand { padding-inline: 5px; }
}
@media (max-width: 799px) and (orientation: portrait) and (max-height: 600px) {
  .mastery-lesson-panel .puzzle-analysis-preview[dir="ltr"] { display: none; }
  .mastery-shell .mastery-lesson-screen .mastery-lesson-main .mastery-lesson-task {
    grid-template-rows: minmax(0, 1fr) auto auto !important;
  }
}