.practice-tools {
  margin-block: 24px;
}
.blackbox-stats {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  font-variant-numeric: tabular-nums;
}
.blackbox-events {
  list-style: none;
  padding: 0;
  max-height: 520px;
  overflow: auto;
}
.blackbox-event {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  padding: 20px 8px;
  border-bottom: 1px solid var(--line);
}
.blackbox-event p {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: var(--muted);
  margin: 6px 0 0;
}
.blackbox-seq {
  color: var(--accent-text);
  font-variant-numeric: tabular-nums;
}
.blackbox-event[data-tone="attention"] {
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}
@media (max-width: 600px) {
  .blackbox-event {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
  }
  .blackbox-event button {
    grid-column: 2;
    justify-self: start;
  }
}
.practice-tools details {
  padding-block: 18px;
}
.practice-tools summary {
  font-weight: 600;
}
.practice-tools p {
  max-width: 75ch;
}
.practice-tools pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: inherit;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}
.practice-tools pre:empty {
  display: none;
}
.practice-tools button {
  margin: 6px 6px 6px 0;
}
.practice-tools input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}
.practice-tools input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}
.practice-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 700px;
  padding: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.practice-map button {
  min-height: 90px;
  margin: 0;
  white-space: normal;
}
.practice-map button[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.practice-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.practice-tools audio {
  max-width: 100%;
  margin-block: 12px;
}
.editor-step {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  margin-block: 18px;
}
.skills-scroll {
  overflow-x: auto;
}
.skills-scroll table {
  border-collapse: collapse;
  width: 100%;
  font-variant-numeric: tabular-nums;
}
.skills-scroll th,
.skills-scroll td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  min-width: 150px;
}
.practice-tools [aria-busy="true"] {
  opacity: 0.7;
}
.practice-tools > h2 {
  margin-bottom: 12px;
}
.tool-navigation {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 10px;
  margin-block: 24px;
}
.practice-tools .tool-navigation button {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  padding: 16px;
  margin: 0;
  min-height: 68px;
  border-radius: 12px;
}
.tool-navigation button > span:last-child {
  margin-left: auto;
  color: var(--accent-text);
}
.tool-number {
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.tool-navigation button[aria-expanded="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.practice-tools details {
  scroll-margin-top: 24px;
}
.practice-tools summary {
  padding: 12px;
  margin-inline: -12px;
  border-radius: 8px;
}
.practice-tools summary:hover {
  background: var(--surface-soft);
}
.practice-tools details[open] > summary {
  color: var(--accent-text);
}
#interaction-panel[data-pending="true"] > summary::after {
  content: "На следующий ответ";
  display: inline-block;
  margin-left: 12px;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
}
.replay-navigation {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-top: 16px;
}
.replay-navigation label {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  color: var(--muted);
}
.replay-navigation select {
  margin-top: 8px;
}
.practice-tools .replay-navigation button {
  flex: 0 0 44px;
  margin: 0;
}
#replay-position {
  min-height: 36px;
  cursor: pointer;
}
#replay-caption {
  font-variant-numeric: tabular-nums;
  color: var(--accent-text);
}
#exchange-comparison {
  padding-block: 20px;
}
.exchange-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.exchange-grid article {
  padding: 22px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}
.exchange-grid article:last-child {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.exchange-grid .eyebrow {
  display: block;
}
.exchange-grid h4,
.exchange-grid p {
  white-space: pre-wrap;
}
.practice-tools button {
  transition:
    background-color 0.2s,
    border-color 0.2s,
    color 0.2s,
    transform 0.2s;
}
.practice-tools button:hover:not(:disabled) {
  transform: translateY(-1px);
}
.practice-tools button:active:not(:disabled) {
  transform: translateY(0);
}
@media (max-width: 600px) {
  .exchange-grid {
    grid-template-columns: 1fr;
  }
  .replay-navigation {
    gap: 8px;
  }
}
@media (max-width: 600px) {
  .practice-map {
    gap: 6px;
    padding: 8px;
  }
  .practice-map button {
    padding: 8px;
    font-size: 12px;
  }
}

.practice-tools .tool-navigation button {
  border-radius: 14px;
  background: var(--surface-raised);
  min-height: 82px;
}
.tool-navigation button > span:last-child {
  transition: transform 0.25s var(--ease-out);
}
.tool-navigation button:hover:not(:disabled) > span:last-child {
  transform: translate(3px, -3px);
}
.practice-tools .tool-navigation button[aria-expanded="true"] {
  background: var(--accent-soft);
  box-shadow: inset 0 -2px var(--accent);
}
.practice-tools details {
  scroll-margin-top: 110px;
}
.practice-tools details[open] {
  border-bottom-color: var(--accent);
}
.practice-tools details[open] > summary {
  background: var(--accent-soft);
  padding-block: 16px;
}
.practice-map button {
  transition:
    background-color 0.2s,
    border-color 0.2s,
    transform 0.25s var(--ease-out);
}
.practice-map button[aria-pressed="true"] {
  box-shadow: inset 0 -3px var(--accent);
}
.exchange-grid article {
  border-radius: 18px;
}
@media (hover: hover) and (pointer: fine) {
  .practice-map button:hover:not(:disabled) {
    transform: translateY(-3px);
  }
}