/* Canonical mobile training modal layout. */
@media (max-width: 920px) {
  .training-modal-overlay {
    overflow: hidden !important;
  }

  .training-modal-card {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100svh !important;
    max-height: 100svh !important;
    padding: 4px 6px calc(4px + env(safe-area-inset-bottom, 0px)) !important;
    gap: 4px !important;
    grid-template-rows: auto auto minmax(0, 1fr) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
  }

  .training-modal-card .panel-header {
    position: static !important;
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: 0 !important;
    background: transparent !important;
    border-radius: 0 !important;
  }

  .training-modal-card .modal-main-title {
    margin: 0 0 2px !important;
    font-size: 1.08rem !important;
    line-height: 1.08 !important;
  }

  .training-modal-card #promptText {
    margin: 0 !important;
    font-size: 0.76rem !important;
    line-height: 1.15 !important;
    height: calc(2 * 0.76rem * 1.15) !important;
    overflow: hidden !important;
  }

  .training-position-metadata {
    order: 3;
    gap: 4px;
    overflow: visible;
    --position-metadata-text-size: 0.72rem;
  }

  .training-position-metadata .position-metadata-badges {
    flex-wrap: nowrap;
    overflow: hidden;
  }

  .training-position-metadata .position-metadata-note {
    display: -webkit-box;
    --position-note-lines-current: var(--position-note-lines-mobile, 3);
  }

  .training-position-metadata .position-metadata-badge {
    flex: 0 1 auto;
    font-size: 0.62rem;
  }

  .training-modal-card .board-layout {
    display: block !important;
    padding-bottom: 0 !important;
    overflow: visible !important;
  }

  .training-modal-card .board-side,
  .training-modal-card .training-aux-action {
    display: none !important;
  }

  .training-modal-card .board-main {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr);
    gap: 4px !important;
    justify-items: stretch !important;
    width: 100%;
    overflow: visible !important;
  }

  .training-modal-card .training-stats-box {
    order: 1;
    padding: 5px 7px !important;
    border-radius: 10px !important;
  }

  .training-modal-card .training-stats-box .engine-stats {
    margin-top: 0 !important;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px 10px;
  }

  .training-modal-card .training-stats-box .stats-list li {
    gap: 4px;
    font-size: 0.76rem;
    line-height: 1.1;
  }

  .training-modal-card #proficiencyCount {
    margin-left: auto;
    text-align: right;
    white-space: nowrap;
  }

  .training-modal-card .training-proficiency-detail {
    display: none;
  }

  .training-modal-card .board-frame,
  .training-modal-card .board-frame.board-expanded {
    order: 2;
    width: min(calc(100vw - 12px), calc(100svh - 286px)) !important;
    max-width: min(calc(100vw - 12px), calc(100svh - 286px)) !important;
    justify-self: center !important;
    align-self: center;
    padding: 0 !important;
  }

  .training-modal-card .chessboard {
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    max-height: none !important;
    aspect-ratio: 1 !important;
  }

  .training-modal-card .moves-box {
    order: 4;
    min-height: 136px !important;
    max-height: 136px !important;
    padding: 7px 8px !important;
    border-radius: 10px !important;
  }

  .training-modal-card .move-history {
    max-height: 104px !important;
    font-size: 0.78rem !important;
    line-height: 1.22 !important;
  }

  .training-modal-card--has-metadata .moves-box {
    min-height: 94px !important;
    max-height: 94px !important;
  }

  .training-modal-card--has-metadata .move-history {
    max-height: 62px !important;
  }

  .training-modal-card #expectedMovesPanel {
    display: grid !important;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 8px;
    order: 5;
    padding: 5px 7px !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }

  .training-modal-card #expectedMovesPanel[hidden] {
    display: none !important;
  }

  .training-modal-card #expectedMovesPanel .prompt-label {
    margin: 0 !important;
    white-space: nowrap;
  }

  .training-modal-card #expectedMovesPanel .candidate-moves {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: flex-start;
    gap: 6px;
    min-width: 0;
    white-space: normal !important;
    overflow: hidden !important;
  }

  .training-modal-card #expectedMovesPanel .variant-progress {
    grid-column: 1 / -1;
    margin-top: 0 !important;
  }

  .training-modal-card .controls {
    order: 6;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 5px !important;
    width: 100% !important;
    padding: 0 0 max(4px, env(safe-area-inset-bottom, 0px)) !important;
  }

  .training-modal-card .controls .training-mobile-analysis-action {
    display: block;
  }

  .training-modal-card .controls button {
    min-height: 36px !important;
    height: 36px !important;
    max-height: 36px !important;
    padding: 3px 2px !important;
    line-height: 1 !important;
    white-space: nowrap !important;
  }
}

/* Desktop modal alignment + symbol action rows */
@media (min-width: 921px) {
  :root {
    --modal-board-size-desktop: min(calc(100dvh - 190px), 1260px);
    --modal-side-width-desktop: clamp(410px, 31vw, 650px);
    --modal-columns-gap-desktop: 10px;
    --desktop-canvas-fit-width: calc(
      var(--modal-board-size-desktop)
      + var(--modal-side-width-desktop)
      + var(--modal-columns-gap-desktop)
      + 40px
    );
  }

  /* Center the full app canvas on very wide screens without changing internal layout */
  .full-canvas-modal {
    justify-items: center;
    align-items: stretch;
  }

  .training-modal-card,
  .tree-picker-modal-card,
  .line-editor-modal-card {
    width: min(100vw, var(--desktop-canvas-fit-width));
    max-width: min(100vw, var(--desktop-canvas-fit-width));
    margin-inline: auto;
    justify-self: center;
    overflow-x: hidden;
  }

  .training-modal-card--sparring #openTrainingAnalysisButton {
    display: none;
  }

  #libraryModal > .full-canvas-content-modal-card,
  #onlineGamesReviewModal > .full-canvas-content-modal-card,
  #repertoireAnalysisModal > .full-canvas-content-modal-card,
  #criticalPositionsReportModal > .full-canvas-content-modal-card,
  #difficultMovesReportModal > .full-canvas-content-modal-card {
    width: min(var(--modal-max-wide), calc(100vw - 24px)) !important;
    max-width: min(var(--modal-max-wide), calc(100vw - 24px)) !important;
  }

  #onlineGamesReviewModal > .analysis-review-modal,
  #opponentPreparationModal > .analysis-review-modal,
  #repertoireAnalysisModal > .analysis-review-modal {
    width: min(100vw, var(--desktop-canvas-fit-width)) !important;
    max-width: min(100vw, var(--desktop-canvas-fit-width)) !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    margin-inline: auto;
    justify-self: center;
  }

  .training-modal-card .board-layout,
  .line-editor-layout,
  .tree-content-row {
    width: max-content;
    max-width: 100%;
    justify-content: start;
    gap: var(--modal-columns-gap-desktop);
  }

  .training-modal-card .board-layout {
    grid-template-columns: minmax(0, var(--modal-board-size-desktop)) minmax(0, var(--modal-side-width-desktop));
  }

  .line-editor-layout,
  .tree-content-row {
    grid-template-columns: minmax(0, var(--modal-board-size-desktop)) minmax(0, var(--modal-side-width-desktop));
  }

  .training-modal-card .board-main,
  .line-editor-board-column,
  .tree-board-column {
    justify-items: start;
    width: min(100%, var(--modal-board-size-desktop));
    max-width: min(100%, var(--modal-board-size-desktop));
  }

  .training-modal-card .board-side,
  .line-editor-side-column,
  .tree-right-column {
    width: min(100%, var(--modal-side-width-desktop));
    max-width: var(--modal-side-width-desktop);
    justify-self: start;
    gap: 10px;
  }

  /* Right-column readability alignment (Training / Edit Line / Create / Move Tree) */
  .training-modal-card .board-side .prompt-label,
  .line-editor-side-column .prompt-label,
  .tree-right-column .prompt-label {
    font-size: 0.82rem;
    line-height: 1.2;
  }

  .training-modal-card .board-side .sidebar-value,
  .line-editor-side-column .sidebar-value,
  .tree-right-column .sidebar-value,
  .tree-right-column .tree-current-path-text {
    font-size: 0.84rem;
    line-height: 1.34;
  }

  .training-modal-card .board-side .moves-box-title,
  .line-editor-side-column .moves-box-title,
  .tree-right-column .moves-box-title {
    font-size: 0.94rem;
    line-height: 1.26;
  }

  .training-modal-card .board-side .variant-title,
  .line-editor-side-column .variant-title,
  .tree-right-column .variant-title {
    font-size: 0.78rem;
    line-height: 1.2;
  }

  .training-modal-card .board-side .engine-box,
  .training-modal-card .board-side .moves-box,
  .line-editor-side-column .engine-box,
  .line-editor-side-column .moves-box,
  .tree-right-column .engine-box,
  .tree-right-column .moves-box {
    padding: 12px;
  }

  .training-modal-card .board-side {
    grid-template-rows: none;
    grid-auto-rows: max-content;
    padding-bottom: 8px;
  }

  .training-modal-card .board-side > .training-game-data-box {
    order: 1;
  }

  .training-modal-card .board-side > .moves-box {
    order: 2;
  }

  .training-modal-card .board-side > .training-stats-box {
    order: 3;
  }

  .training-modal-card .board-side > .training-position-metadata {
    order: 4;
  }

  .training-modal-card .board-side > #expectedMovesPanel {
    order: 5;
  }

  .training-modal-card .moves-box {
    height: 157px;
    min-height: 157px;
    max-height: 157px;
  }

  .training-modal-card .move-history {
    max-height: 105px;
  }

  .training-modal-card .training-stats-box {
    min-height: 0;
    height: max-content;
  }

  .training-modal-card .training-position-metadata {
    align-self: start;
  }

  .training-modal-card .board-side .engine-box-lichess {
    min-height: 282px;
  }

.training-modal-card .board-side #expectedMovesPanel {
    padding: 8px 10px;
    gap: 8px;
  }

  .training-modal-card .board-side #expectedMovesPanel .candidate-moves {
    gap: 8px;
  }

  .training-modal-card .board-side #expectedMovesPanel .expected-move-slot {
    min-width: 50px;
    padding: 9px 8px;
    font-size: 0.9rem;
  }

  .line-editor-side-column .line-editor-move-list,
  .line-editor-side-column .repertoire-move-list,
  .tree-right-column .repertoire-move-list {
    max-height: 300px;
    gap: 9px;
  }

  .line-editor-side-column .line-editor-move-button {
    min-height: 24px;
    padding: 5px 9px;
    font-size: 0.78rem;
    line-height: 1.15;
  }

  .line-editor-side-column .repertoire-move-button,
  .tree-right-column .repertoire-move-button {
    min-height: 24px;
    padding: 5px 9px;
    font-size: 0.78rem;
    line-height: 1.15;
  }

  .line-editor-side-column .line-editor-note {
    font-size: 0.84rem;
    line-height: 1.34;
  }

  .training-modal-card .board-main .board-frame,
  .training-modal-card .board-main .board-frame.board-expanded,
  .line-editor-board-frame,
  .tree-preview-frame,
  .tree-preview-frame.board-expanded {
    width: min(100%, var(--modal-board-size-desktop)) !important;
    justify-self: start !important;
  }

  .training-modal-card .controls,
  .line-editor-footer-actions,
  .tree-action-row {
    width: min(100%, var(--modal-board-size-desktop));
    max-width: min(100%, var(--modal-board-size-desktop));
    justify-self: start;
    margin-left: 0;
  }

  .training-modal-card .controls {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    margin-bottom: 0;
  }

  .line-editor-action-row-all {
    grid-template-columns: repeat(10, minmax(0, 1fr));
  }

  .tree-action-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .training-modal-card .controls button,
  .line-editor-action-row-all button,
  .tree-action-row .tree-action-button {
    min-width: 0;
    min-height: 32px;
    height: 32px;
    max-height: 32px;
    padding: 4px 2px;
    font-size: 1rem;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: clip;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .line-editor-action-row-all button {
    height: 44px;
    min-height: 44px;
    max-height: 44px;
    padding: 4px 2px;
    font-size: 1rem;
    line-height: 1;
    white-space: nowrap;
  }
}

.training-modal-card--sparring {
  position: relative;
}

.training-modal-card .controls #openTrainingAnalysisButton {
  font-size: 0.72rem;
  line-height: 1.05 !important;
  white-space: normal !important;
}

.training-modal-card--sparring:is(.training-modal-card--sparring-review, :has(#sparringBackToSummaryButton:not([hidden]))) .controls {
  display: flex;
  flex-wrap: nowrap;
}

.training-modal-card--sparring:is(.training-modal-card--sparring-review, :has(#sparringBackToSummaryButton:not([hidden]))) .controls button {
  flex: 0 1 140px;
  width: 140px;
}

.training-modal-card--sparring:is(.training-modal-card--sparring-review, :has(#sparringBackToSummaryButton:not([hidden]))) .controls #endTrainingButton {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  min-height: 36px;
  max-height: 36px;
}

.training-modal-card .controls #sparringBackToSummaryButton {
  font-size: 0.72rem;
  white-space: normal;
}

.sparring-summary {
  align-items: center;
  background: color-mix(in srgb, var(--modal-overlay-bg) 86%, transparent);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 20px;
  position: absolute;
  z-index: 25;
}

.sparring-summary[hidden] {
  display: none;
}

.sparring-summary-card {
  background: var(--modal-card-bg);
  border: 1px solid var(--modal-card-border);
  border-radius: var(--modal-card-radius);
  box-shadow: var(--shadow);
  max-height: calc(100dvh - 40px);
  max-width: 480px;
  overflow-y: auto;
  padding: 24px;
  text-align: center;
  width: min(100%, 480px);
}

.sparring-summary-card h3,
.sparring-summary-card p {
  margin-top: 0;
}

.sparring-summary-card .modal-actions > button:not(.action-icon-button) {
  flex: 0 1 112px;
  width: 112px;
}

.sparring-summary-card .modal-actions > .action-icon-button {
  aspect-ratio: 1;
  padding: 0;
}

.sparring-evaluation-label {
  color: var(--muted);
  margin-bottom: 4px;
}

.sparring-repertoire-deviations {
  display: grid;
  gap: 4px;
  line-height: 1.35;
  margin-bottom: 12px;
}

.sparring-repertoire-deviations p,
.sparring-repertoire-deviations ul {
  margin: 0;
}

.training-modal-card .sparring-review-link {
  display: inline;
  min-height: 0;
  padding: 2px;
  border: 0;
  background: none;
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.sparring-review-panel {
  min-width: 0;
  align-self: start;
  display: grid;
  gap: 12px;
}

.sparring-review-panel h3,
.sparring-review-panel p {
  margin: 0;
  overflow-wrap: anywhere;
}

.sparring-review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sparring-review-actions button {
  flex: 0 1 140px;
  width: 140px;
  max-width: 100%;
}

.training-modal-card--sparring-review .moves-box,
.training-modal-card--sparring-review #trainingPositionMetadata,
.training-modal-card--sparring-review #openTrainingAnalysisButton {
  display: none !important;
}

.sparring-repertoire-deviations ul {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 6px;
  list-style: none;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
  text-align: left;
}

.sparring-repertoire-deviations li {
  display: grid;
  grid-template-columns: subgrid;
  grid-column: 1 / -1;
  align-items: baseline;
}

.sparring-repertoire-deviations li button {
  justify-self: start;
  white-space: nowrap;
}

.sparring-repertoire-deviations li span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.sparring-evaluation {
  display: block;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1;
  margin-bottom: 8px;
}

.sparring-evaluation[data-band="equal-or-better"] {
  color: #72c496;
}

.sparring-evaluation[data-band="slightly-worse"] {
  color: #e1c45a;
}

.sparring-evaluation[data-band="moderately-worse"] {
  color: #e39a52;
}

.sparring-evaluation[data-band="clearly-worse"] {
  color: #e06c63;
}

.sparring-scores-wrap {
  max-height: 260px;
  overflow-y: auto;
}

.sparring-scores-table {
  margin-top: 0;
  --sparring-move-width: 34%;
  --sparring-result-width: 22%;
}

.sparring-scores-table--repertoire {
  --sparring-move-width: 22%;
}

.training-modal-card .sparring-scores-table.sparring-scores-table--repertoire .sparring-repertoire-cell {
  width: 12% !important;
  text-align: center;
}

.training-modal-card .sparring-repertoire-mark {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  min-height: 24px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: transparent;
  font: inherit;
  font-size: 1.1em;
  cursor: pointer;
}

.sparring-repertoire-mark:not([data-sparring-quality]) {
  color: var(--text);
}

.sparring-repertoire-mark:focus-visible {
  outline: 2px solid var(--muted);
  outline-offset: 1px;
}

.sparring-repertoire-detail {
  position: fixed;
  inset: 0 auto auto 0;
  margin: 0;
  max-width: min(340px, calc(100vw - 24px));
  padding: 10px 12px;
  border: 1px solid var(--muted);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
  box-shadow: 0 4px 18px rgb(0 0 0 / 30%);
}

.training-modal-card--sparring .board-side .engine-box-lichess {
  --game-data-font-size: 1rem;
  --game-data-header-font-size: 0.84rem;
}

.sparring-scores-table thead th {
  background: #3a3632;
  position: sticky;
  top: 0;
  z-index: 1;
}

.training-modal-card .sparring-scores-table th:first-child,
.training-modal-card .sparring-scores-table td:first-child {
  width: var(--sparring-move-width);
}

.training-modal-card .sparring-scores-table th:nth-child(n+2),
.training-modal-card .sparring-scores-table td:nth-child(n+2) {
  width: var(--sparring-result-width);
  text-align: center;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 920px) {
  .training-modal-card--sparring {
    overflow: hidden !important;
  }

  .training-modal-card--sparring .board-layout {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: auto minmax(0, 1fr);
    align-items: stretch;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden !important;
  }

  .training-modal-card--sparring .board-main {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    overflow-x: hidden !important;
  }

  .training-modal-card--sparring .board-side {
    display: grid !important;
    grid-template-rows: minmax(0, 1fr) !important;
    width: 100%;
    max-width: 100%;
    min-height: 0;
    overflow: hidden !important;
    padding-bottom: 0;
  }

  .training-modal-card--sparring .board-side .engine-box-lichess {
    --game-data-font-size: 0.88rem;
    --game-data-header-font-size: 0.76rem;
  }

  .training-modal-card--sparring #promptText,
  .training-modal-card--sparring #openLichessAnalysisButton {
    display: none !important;
  }

  .training-modal-card--sparring .moves-box {
    min-height: 90px !important;
    max-height: 90px !important;
    padding: 5px 7px !important;
  }

  .training-modal-card--sparring .move-history {
    max-height: 60px !important;
  }

  .training-modal-card--sparring .board-side .engine-box-lichess {
    min-height: 0;
    max-height: none;
    height: 100%;
    grid-template-rows: auto minmax(0, 1fr);
    padding: 8px !important;
  }

  .training-modal-card--sparring .sparring-scores-wrap {
    min-height: 0;
    max-height: none;
    height: auto;
  }

  .training-modal-card--sparring-review .sparring-review-panel {
    max-height: 100%;
    min-height: 0;
    overflow-y: auto;
    padding: 10px;
    gap: 8px;
  }

  .training-modal-card--sparring .sparring-scores-table {
    min-width: 0;
  }

  .training-modal-card--sparring .sparring-scores-table th:first-child,
  .training-modal-card--sparring .sparring-scores-table td:first-child {
    width: var(--sparring-move-width) !important;
  }

  .training-modal-card--sparring .sparring-scores-table th:nth-child(n+2),
  .training-modal-card--sparring .sparring-scores-table td:nth-child(n+2) {
    width: var(--sparring-result-width) !important;
  }
}