.learning-notes {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.learning-notes .section-title {
  flex-wrap: wrap;
  gap: 8px;
}
.learning-notes label:not(.check-row) {
  display: block;
  margin: 12px 0 6px;
  font-weight: 600;
}
.learning-notes textarea,
.practice-page textarea {
  width: 100%;
  resize: vertical;
  min-height: 64px;
  padding: 10px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}
.learning-notes .setup-actions {
  flex-wrap: wrap;
}
.learning-notes details {
  margin-top: 12px;
}
.learning-notes summary {
  cursor: pointer;
  font-weight: 600;
}
.compare-line,
.repertoire-row {
  display: grid;
  text-align: left;
  width: 100%;
  gap: 6px;
  padding: 12px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-top: 10px;
  overflow-wrap: anywhere;
}
.compare-line:hover,
.repertoire-row:hover {
  border-color: var(--accent);
}
.compare-line small,
.repertoire-row small {
  color: var(--muted);
}
.practice-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.practice-controls select {
  min-height: 40px;
  max-width: 100%;
}
#practice-status {
  margin: 16px 0;
  font-size: 14px;
  max-width: 75ch;
}
.practice-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}
#practice-board:empty {
  min-height: 160px;
  background: var(--raised);
}
.practice-layout aside {
  min-width: 0;
}
.practice-layout h2 {
  font-size: 19px;
  margin-bottom: 12px;
}
.practice-layout p {
  font-size: 14px;
  margin: 12px 0;
  line-height: 1.6;
}
.practice-layout details {
  margin-top: 24px;
}
#practice-families {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  margin-top: 24px;
}
#practice-families button {
  margin: 4px;
}
#practice-result {
  border-top: 1px solid var(--line);
  padding: 16px 0;
  margin-top: 16px;
}
#practice-result:empty {
  display: none;
}
#practice-line {
  overflow-wrap: anywhere;
}
#weakness-evidence {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 32px;
}
#weakness-evidence h2 {
  font-size: 19px;
}
#weakness-evidence h3 {
  margin: 24px 0 12px;
  font-size: 15px;
}
.evidence-row {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.evidence-row small {
  color: var(--muted);
}
.practice-page button:focus-visible,
.learning-notes button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.practice-page button:disabled,
.learning-notes button:disabled {
  opacity: 0.5;
  cursor: default;
}
/* Removing the evaluation rail must also remove its 32px grid track. */
body[data-self-analysis='true'] .board-stage {
  grid-template-columns: minmax(0, 1fr);
}
body[data-self-analysis='true'] .study-eval,
body[data-self-analysis='true'] #eval-graph,
body[data-self-analysis='true'] .graph-heading,
body[data-self-analysis='true'] .move-feedback,
body[data-self-analysis='true'] #summary,
body[data-self-analysis='true'] #engine-lines,
body[data-self-analysis='true'] #lines-state,
body[data-self-analysis='true'] .classification-note,
body[data-self-analysis='true'] #next-critical,
body[data-self-analysis='true'] #move-filter,
body[data-self-analysis='true'] .performance-method,
body[data-self-analysis='true'] #review-summary-empty,
body[data-self-analysis='true'] #inspect-status {
  display: none !important;
}
@media (max-width: 900px) {
  .practice-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
  .practice-controls {
    align-items: stretch;
  }
  .practice-controls label {
    width: 100%;
  }
  .learning-notes .section-title h2 {
    font-size: 15px;
  }
  .practice-page {
    min-width: 0;
  }
  .practice-layout > div {
    min-width: 0;
  }
}

.move-button.user-critical .move-san::after {
  content: ' •';
  color: var(--accent);
}

#human-play {
  padding-top: 24px;
}
#human-play .practice-controls label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}
#human-play select {
  min-height: 40px;
  max-width: 240px;
}
#human-play .human-moves {
  line-height: 1.8;
  max-height: 220px;
  overflow: auto;
  overflow-wrap: anywhere;
}
#human-status {
  min-height: 26px;
  margin: 16px 0;
}
#human-play .setup-actions {
  flex-wrap: wrap;
}
#human-board {
  max-width: 640px;
}
#human-play aside h2 {
  font-size: 18px;
}

#human-setup > summary {
  cursor: pointer;
  padding: 12px 0;
  font-weight: 600;
}
#human-name {
  font-size: 18px;
  margin: 16px 0 0;
}
#human-setup .practice-controls {
  margin-top: 16px;
}
@media (min-width: 701px) {
  #human-board {
    max-width: min(640px, calc(100svh - 340px));
  }
}
@media (max-width: 700px) {
  #human-play .practice-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: 12px;
  }
  #human-play select {
    max-width: 100%;
    width: 100%;
  }
  #human-play .practice-controls label {
    min-width: 0;
  }
  #human-play .practice-controls > .primary-button {
    grid-column: 1/-1;
  }
}
.training-journey {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 1fr);
  gap: 40px;
  padding: 26px 0 32px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.journey-main h2 {
  font-size: 25px;
  line-height: 1.25;
  margin: 0 0 14px;
}
.journey-main p {
  max-width: 60ch;
  margin: 0 0 22px;
}
.journey-main .journey-progress {
  margin: 14px 0 0;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.journey-evidence h3 {
  font-size: 14px;
  margin: 0 0 8px;
}
.journey-evidence > p {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 12px;
}
.journey-example {
  display: grid;
  grid-template-columns: 75px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 12px 0;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  text-align: left;
  font-size: 13px;
}
.journey-example span:nth-child(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.journey-example span:last-child {
  color: var(--accent);
}
.journey-example:hover {
  background: var(--raised);
}
.journey-evidence .hint {
  margin-top: 14px;
}
.lesson-strip[hidden] {
  display: none;
}
@media (max-width: 700px) {
  .training-journey {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    padding-top: 6px;
  }
  .journey-main h2 {
    font-size: 23px;
  }
  .journey-main .primary-button {
    min-height: 44px;
  }
  .workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding: 16px;
  }
  .workspace .position-workspace {
    display: contents;
  }
  .position-workspace > .game-heading {
    grid-row: 1;
  }
  .position-workspace > .board-stage {
    grid-row: 2;
  }
  .position-workspace > .promotion {
    grid-row: 3;
  }
  .position-workspace > .board-toolbar {
    grid-row: 4;
  }
  .position-workspace > .board-caption {
    grid-row: 5;
  }
  .workspace > .analysis-panel {
    grid-row: 6;
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }
  .position-workspace > .graph-heading {
    grid-row: 7;
  }
  .position-workspace > .eval-graph {
    grid-row: 8;
  }
  .analysis-panel .analysis-tabs {
    position: sticky;
    top: 0;
    background: var(--surface);
    z-index: 2;
    margin-top: 0;
  }
}

@media (min-width: 701px) and (max-width: 1050px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr);
  }
  .workspace .position-workspace {
    max-width: none;
  }
  .workspace .analysis-panel {
    position: static;
    max-height: none;
    overflow: visible;
    border-left: 0;
    padding-left: 0;
    width: 100%;
  }
  .puzzle-layout,
  body[data-sidebar-collapsed='true'] .puzzle-layout,
  .practice-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}
.app-main {
  container-type: inline-size;
  container-name: study-content;
}
@container study-content (max-width: 1100px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr);
  }
  .workspace .position-workspace {
    max-width: min(100%, var(--board-fit, 960px));
  }
  .workspace .analysis-panel {
    position: static;
    max-height: none;
    overflow: visible;
    border-left: 0;
    padding-left: 0;
    width: 100%;
  }
  .puzzle-layout,
  body[data-sidebar-collapsed='true'] .puzzle-layout,
  .practice-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .puzzle-board-area,
  .practice-layout > div {
    max-width: min(100%, var(--board-fit, 960px));
  }
}

@media (max-width: 700px) {
  .app-main,
  .app-sidebar {
    transition: none;
  }
  .overview-grid > *,
  .journey-main,
  .journey-evidence {
    min-width: 0;
  }
  .journey-main,
  .journey-evidence {
    overflow-wrap: anywhere;
  }
}

.position-workspace > .board-stage {
  width: 100%;
  max-width: var(--board-fit, 100%);
}
.puzzle-board-area {
  max-width: min(100%, var(--board-fit, 100%));
  justify-self: center;
}
.practice-layout > div {
  max-width: min(100%, var(--board-fit, 100%));
  width: 100%;
  justify-self: center;
}

.puzzle-board-footer {
  flex-wrap: wrap;
  gap: 4px 12px;
}
.puzzle-board-footer #puzzle-number {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.puzzle-board-footer #puzzle-level {
  flex-basis: 100%;
  order: 3;
}
@media (max-height: 700px) {
  .puzzles-page {
    padding-top: 12px;
  }
  .puzzles-page > .page-heading {
    margin-bottom: 10px;
  }
  .puzzles-page #puzzle-subtitle {
    max-width: 40ch;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .puzzles-page .training-tabs {
    margin-bottom: 12px;
  }
  .puzzles-page .training-tabs button {
    padding-block: 8px;
  }
}

.workspace {
  align-content: start;
}
.position-workspace > .board-stage {
  margin-block: 0;
  align-self: start;
}

@media (max-width: 340px) {
  .main-navigation {
    overflow-x: auto;
    max-width: 100%;
  }
  .study-header {
    flex-wrap: wrap;
    height: auto;
    min-height: 48px;
    padding: 8px 12px;
    gap: 6px;
  }
  .workspace {
    padding-inline: 12px;
  }
  .page {
    padding-inline: 12px;
  }
}

@media (max-width: 700px) {
  .skip-link {
    left: 12px;
    max-width: calc(100% - 24px);
  }
  .main-navigation {
    min-width: 0;
    overflow-x: auto;
    justify-content: flex-start;
  }
  .main-navigation > a,
  .main-navigation > button {
    flex-shrink: 0;
  }
  .analysis-tabs {
    min-width: 0;
    max-width: 100%;
    overflow-x: auto;
    gap: 16px;
  }
  .analysis-tabs button {
    flex-shrink: 0;
  }
}
.puzzles-page .page-heading {
  gap: 12px;
}
.puzzles-page .page-heading > div:first-child {
  min-width: 0;
  flex: 1;
}