.rate-flow {
  display: grid;
  gap: var(--space-4);
  color: var(--text-primary);
}

.rate-flow__toolbar,
.rate-flow__actions,
.rate-flow__legend,
.rate-flow__target {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.rate-flow__selector-label {
  display: grid;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.rate-flow__selector {
  min-height: var(--touch-target-min);
  padding: 0 var(--space-3);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-base);
  color: var(--text-primary);
}

.rate-flow__context,
.rate-flow__help,
.rate-flow__feedback p { margin: 0; color: var(--text-secondary); }

.rate-flow__diagram { min-height: 230px; }
.rate-flow__diagram .diagram-primitives { min-height: 230px; }
.rate-flow__diagram-rate { font-size: 18px; }
.rate-flow__diagram-symbol { font-size: 23px; font-weight: var(--weight-bold); }
.rate-flow__diagram-name { font-size: 16px; }
.rate-flow__diagram-unit { font-size: 14px; color: var(--text-muted); }

.rate-flow__legend {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-subtle);
  font-size: var(--text-sm);
}

.rate-flow__legend span { display: inline-flex; align-items: center; gap: var(--space-2); }
.rate-flow__shape { font-size: 1.05em; line-height: 1; }
.rate-flow__shape--known { color: #7A5AF8; }
.rate-flow__shape--unknown { color: #B54708; }
.rate-flow__shape--relationship { color: #175CD3; }

.rate-flow__workspace {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-4);
}

.rate-flow__panel {
  min-width: 0;
  padding: var(--space-4);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-base);
}

.rate-flow__panel h3 { margin: 0 0 var(--space-2); font-size: var(--text-md); }
.rate-flow__arrange-list,
.rate-flow__rate-list { display: grid; gap: var(--space-2); margin: var(--space-3) 0 0; padding: 0; }
.rate-flow__arrange-list { list-style: none; }

.rate-flow__variable-card,
.rate-flow__rate-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-width: 0;
  padding: var(--space-3);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-subtle);
}

.rate-flow__variable-card[data-check="correct"],
.rate-flow__rate-row[data-check="correct"] { border-color: #12B76A; }
.rate-flow__variable-card[data-check="review"],
.rate-flow__rate-row[data-check="review"] { border-color: #F79009; }

.rate-flow__variable-text { display: grid; gap: 2px; }
.rate-flow__variable-text strong { font-size: var(--text-lg); }
.rate-flow__variable-text small { color: var(--text-secondary); }
.rate-flow__move-buttons,
.rate-flow__choices { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.rate-flow__move-button,
.rate-flow__choice,
.rate-flow__button {
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-base);
  color: var(--text-primary);
  font: inherit;
  font-weight: var(--weight-semibold);
  cursor: pointer;
}
.rate-flow__move-button:disabled { opacity: .38; cursor: default; }
.rate-flow__choice { padding: 0 var(--space-3); font-family: var(--font-mono); }
.rate-flow__choice[aria-pressed="true"] { border-color: var(--mode-accent, #0F766E); box-shadow: inset 0 0 0 2px var(--mode-accent, #0F766E); }
.rate-flow__button { padding: 0 var(--space-4); }
.rate-flow__button--primary { border-color: var(--mode-accent, #0F766E); background: var(--mode-accent, #0F766E); color: white; }
.rate-flow__move-button:focus-visible,
.rate-flow__choice:focus-visible,
.rate-flow__button:focus-visible,
.rate-flow__selector:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }

.rate-flow__rate-meta { display: grid; gap: 3px; min-width: 0; }
.rate-flow__status {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: .03em;
}
.rate-flow__status--known { color: #6941C6; }
.rate-flow__status--unknown { color: #B54708; }
.rate-flow__status--relationship { color: #175CD3; }
.rate-flow__rate-detail { color: var(--text-secondary); font-size: var(--text-sm); }

.rate-flow__target {
  padding: var(--space-3) var(--space-4);
  border: 1px dashed var(--border-strong, #98A2B3);
  border-radius: var(--radius-md);
  background: var(--surface-subtle);
}
.rate-flow__target strong { font-family: var(--font-mono); font-size: var(--text-lg); }
.rate-flow__target span:last-child { color: var(--text-secondary); }

.rate-flow__feedback {
  min-height: 64px;
  padding: var(--space-3) var(--space-4);
  border-left: 4px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
}
.rate-flow__feedback--correct { border-left-color: #12B76A; }
.rate-flow__feedback--review { border-left-color: #F79009; }
.rate-flow__feedback strong { display: block; margin-bottom: var(--space-1); }

@media (max-width: 980px) {
  .rate-flow__workspace { grid-template-columns: 1fr; }
  .rate-flow__diagram-rate { font-size: 17px; }
}

@media (max-width: 720px) {
  .rate-flow__variable-card,
  .rate-flow__rate-row { align-items: stretch; flex-direction: column; }
  .rate-flow__move-buttons,
  .rate-flow__choices { width: 100%; }
  .rate-flow__move-button,
  .rate-flow__choice { flex: 1 1 0; }
  .rate-flow__diagram .diagram-primitives { min-height: 265px; }
  .rate-flow__legend { align-items: flex-start; flex-direction: column; }
}