.ppv-viewer {
  --ppv-border: #e2e7ec;
  --ppv-muted: #697386;
  --ppv-text: #172033;
  --ppv-surface: #ffffff;
  --ppv-soft: #f5f7fa;
  --ppv-accent: #2563eb;
  --ppv-accent-soft: #e8f0ff;
  width: 100%;
  margin: 24px 0;
  color: var(--ppv-text);
  direction: rtl;
  font-family: inherit;
  line-height: 1.7;
  box-sizing: border-box;
}

.ppv-viewer *,
.ppv-viewer *::before,
.ppv-viewer *::after {
  box-sizing: border-box;
}

.ppv-viewer:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--ppv-accent) 35%, transparent);
  outline-offset: 4px;
}

.ppv-loading,
.ppv-message {
  padding: 18px;
  border: 1px solid var(--ppv-border);
  border-radius: 14px;
  background: var(--ppv-surface);
}

.ppv-message-error,
.ppv-error-text {
  color: #a31212;
}

.ppv-game-picker {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 12px;
}

.ppv-game-picker[hidden] {
  display: none;
}

.ppv-game-picker-label {
  display: grid;
  gap: 5px;
  color: var(--ppv-muted);
  font-size: 12px;
}

.ppv-game-select,
.ppv-speed-select {
  min-height: 36px;
  padding: 5px 10px;
  border: 1px solid var(--ppv-border);
  border-radius: 9px;
  background: var(--ppv-surface);
  color: var(--ppv-text);
  font: inherit;
}

.ppv-layout {
  display: grid;
  grid-template-columns: minmax(300px, 620px) minmax(310px, 1fr);
  gap: 18px;
  align-items: start;
}

.ppv-board-column,
.ppv-panel {
  min-width: 0;
}

.ppv-board-column {
  display: grid;
  gap: 8px;
}

.ppv-board-stage {
  position: relative;
  width: 100%;
  min-width: 0;
  direction: ltr;
}

.ppv-board {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 12px;
  background: #dfe5ea;
  box-shadow: 0 12px 32px rgb(15 23 42 / 10%);
  direction: ltr;
}

.ppv-eval-bar {
  position: absolute;
  z-index: 4;
  top: 10px;
  bottom: 10px;
  left: 7px;
  width: 5px;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 35%);
  border-radius: 999px;
  background: #202733;
  box-shadow: 0 1px 5px rgb(15 23 42 / 28%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.ppv-eval-bar.is-active {
  opacity: 0.88;
}

.ppv-eval-bar__fill {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 50%;
  background: #f8fafc;
  transition: height 220ms ease;
}

.ppv-board-stage.is-black-oriented .ppv-eval-bar__fill {
  top: 0;
  bottom: auto;
}

.ppv-promotion-picker {
  position: absolute;
  z-index: 8;
  top: 50%;
  left: 50%;
  display: flex;
  gap: 6px;
  padding: 7px;
  border: 1px solid rgb(255 255 255 / 35%);
  border-radius: 12px;
  background: rgb(15 23 42 / 92%);
  box-shadow: 0 14px 40px rgb(15 23 42 / 30%);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(8px);
}

.ppv-promotion-picker[hidden] {
  display: none;
}

.ppv-promotion-button {
  width: 38px;
  height: 38px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: #fff;
  color: #111827;
  font: 800 16px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  cursor: pointer;
}

.ppv-promotion-button:hover,
.ppv-promotion-button:focus-visible {
  background: var(--ppv-accent-soft);
  color: var(--ppv-accent);
  outline: none;
}

.ppv-board .cm-chessboard,
.ppv-board .cm-chessboard-content,
.ppv-board svg {
  display: block;
  width: 100%;
  height: 100%;
}

.ppv-player-card {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 7px 10px;
  border: 1px solid var(--ppv-border);
  border-radius: 10px;
  background: var(--ppv-surface);
}

.ppv-color-dot {
  flex: 0 0 auto;
  width: 23px;
  height: 23px;
  border: 1px solid #111827;
  border-radius: 7px;
}

.ppv-color-white {
  background: #fff;
}

.ppv-color-black {
  background: #202733;
}

.ppv-player-info {
  display: flex;
  align-items: baseline;
  gap: 7px;
  min-width: 0;
}

.ppv-player-info strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ppv-rating {
  color: var(--ppv-muted);
  font-size: 12px;
}

.ppv-controls {
  display: grid;
  grid-template-columns: repeat(7, minmax(36px, 1fr)) minmax(68px, auto);
  gap: 6px;
}

.ppv-engine-panel {
  display: grid;
  grid-template-columns: 32px 54px 58px minmax(0, 1fr) 32px 32px;
  gap: 5px;
  align-items: center;
  min-height: 38px;
  padding: 3px;
  border: 1px solid var(--ppv-border);
  border-radius: 10px;
  background: var(--ppv-surface);
  direction: ltr;
}

.ppv-engine-toggle,
.ppv-analysis-mini-button,
.ppv-engine-depth {
  height: 30px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: var(--ppv-soft);
  color: var(--ppv-text);
  font: inherit;
}

.ppv-engine-toggle,
.ppv-analysis-mini-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}

.ppv-engine-toggle.is-active {
  border-color: var(--ppv-accent);
  background: var(--ppv-accent);
  color: #fff;
}

.ppv-engine-toggle:hover,
.ppv-analysis-mini-button:hover:not(:disabled),
.ppv-engine-toggle:focus-visible,
.ppv-analysis-mini-button:focus-visible {
  border-color: var(--ppv-accent);
  outline: none;
}

.ppv-analysis-mini-button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.ppv-engine-score {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  border-radius: 7px;
  background: var(--ppv-soft);
  direction: ltr;
  font: 800 12px/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.ppv-engine-depth {
  width: 100%;
  padding: 0 5px;
  direction: ltr;
  font-size: 11px;
  cursor: pointer;
}

.ppv-engine-pv {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 3px;
  overflow-x: auto;
  padding: 1px 3px;
  color: var(--ppv-muted);
  white-space: nowrap;
  scrollbar-width: none;
  font-size: 11px;
}

.ppv-engine-pv::-webkit-scrollbar {
  display: none;
}

.ppv-engine-pv-chip {
  flex: 0 0 auto;
  min-height: 26px;
  padding: 1px 6px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ppv-text);
  direction: ltr;
  font: 700 11px/1.4 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  cursor: pointer;
}

.ppv-engine-pv-chip:hover,
.ppv-engine-pv-chip:focus-visible {
  background: var(--ppv-accent-soft);
  color: var(--ppv-accent);
  outline: none;
}

.ppv-engine-panel[data-engine-state="loading"] .ppv-engine-toggle,
.ppv-engine-panel[data-engine-state="searching"] .ppv-engine-toggle {
  animation: ppv-engine-pulse 1s ease-in-out infinite alternate;
}

@keyframes ppv-engine-pulse {
  from { opacity: 0.55; }
  to { opacity: 1; }
}

.ppv-is-free-analysis .ppv-progress {
  color: var(--ppv-accent);
  font-weight: 700;
}

.ppv-control-button,
.ppv-text-button {
  border: 1px solid var(--ppv-border);
  border-radius: 9px;
  background: var(--ppv-surface);
  color: var(--ppv-text);
  font: inherit;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.ppv-control-button {
  min-height: 40px;
  padding: 5px;
  font-family: Arial, sans-serif;
  font-size: 14px;
}

.ppv-control-button:hover:not(:disabled),
.ppv-text-button:hover,
.ppv-control-button:focus-visible,
.ppv-text-button:focus-visible {
  border-color: var(--ppv-accent);
  background: var(--ppv-accent-soft);
  outline: none;
}

.ppv-control-button:active:not(:disabled),
.ppv-text-button:active {
  transform: translateY(1px);
}

.ppv-control-button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.ppv-play-button {
  background: var(--ppv-accent);
  color: #fff;
  border-color: var(--ppv-accent);
}

.ppv-speed-select {
  width: 100%;
  min-width: 68px;
  direction: ltr;
  font-size: 12px;
}

.ppv-progress {
  min-height: 24px;
  color: var(--ppv-muted);
  text-align: center;
  font-size: 12px;
}

.ppv-panel {
  display: grid;
  grid-template-rows: auto minmax(320px, 1fr);
  max-height: min(760px, calc(100vh - 40px));
  overflow: hidden;
  border: 1px solid var(--ppv-border);
  border-radius: 14px;
  background: var(--ppv-surface);
  box-shadow: 0 12px 32px rgb(15 23 42 / 7%);
}

.ppv-game-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--ppv-border);
}

.ppv-game-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.ppv-result {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--ppv-soft);
  direction: ltr;
  font-size: 12px;
  font-weight: 700;
}

.ppv-game-details {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 12px;
  margin-top: 5px;
  color: var(--ppv-muted);
  font-size: 12px;
}

.ppv-notation-section {
  padding: 8px 12px 12px;
}

.ppv-notation-tools {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  min-height: 28px;
  margin-bottom: 4px;
}

.ppv-text-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  direction: ltr;
}

.ppv-text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-height: 28px;
  padding: 4px;
  border-radius: 7px;
  line-height: 1;
}

.ppv-text-button svg {
  display: block;
  width: 16px;
  height: 16px;
}

.ppv-text-button.is-active {
  border-color: var(--ppv-accent);
  background: var(--ppv-accent);
  color: #fff;
}

.ppv-notation-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.ppv-movetext {
  flex: 1 1 auto;
  height: auto;
  min-height: 320px;
  overflow: auto;
  padding: 2px 4px 28px;
  text-align: left;
  direction: ltr;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 2.05;
  scrollbar-width: thin;
}

.ppv-mainline,
.ppv-variation {
  display: inline;
}

.ppv-variation {
  margin: 0 5px;
  color: #59657a;
}

.ppv-variation .ppv-move {
  font-size: 0.92em;
}

.ppv-move-number {
  margin: 0 3px 0 8px;
  color: #7b8799;
  font-size: 12px;
  user-select: none;
}

.ppv-move {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 28px;
  margin: 2px;
  padding: 2px 7px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--ppv-text);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.ppv-move:hover,
.ppv-move:focus-visible {
  background: var(--ppv-accent-soft);
  outline: none;
}

.ppv-move.is-active {
  background: var(--ppv-accent);
  color: #fff;
}

.ppv-nag {
  margin-inline: 1px 4px;
  color: #d97706;
  font-weight: 800;
}

.ppv-inline-comment {
  display: inline-block;
  width: calc(100% - 10px);
  margin: 6px 5px;
  padding: 8px 10px;
  border-inline-start: 3px solid #cbd5e1;
  border-radius: 7px;
  background: #f8fafc;
  color: #3e4b60;
  direction: rtl;
  text-align: right;
  white-space: break-spaces;
  overflow-wrap: break-word;
  word-break: normal;
  unicode-bidi: plaintext;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.15;
}

.ppv-game-comment {
  border-inline-start-color: var(--ppv-accent);
  background: var(--ppv-accent-soft);
}

.ppv-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 920px) {
  .ppv-layout {
    grid-template-columns: 1fr;
  }

  .ppv-board-column {
    width: min(100%, 680px);
    margin-inline: auto;
  }

  .ppv-panel {
    max-height: none;
  }

  .ppv-movetext {
    max-height: 440px;
  }
}

@media (max-width: 520px) {
  .ppv-viewer {
    margin: 16px 0;
  }

  .ppv-layout {
    gap: 12px;
  }

  .ppv-board {
    border-radius: 8px;
  }

  .ppv-controls {
    grid-template-columns: repeat(6, 1fr);
  }

  .ppv-engine-panel {
    grid-template-columns: 32px 48px 54px minmax(100px, 1fr) 32px 32px;
    gap: 3px;
  }

  .ppv-engine-pv {
    font-size: 10px;
  }

  .ppv-speed-select {
    grid-column: 1 / -1;
  }

  .ppv-control-button {
    min-width: 0;
    min-height: 38px;
  }

  .ppv-panel {
    border-radius: 10px;
  }

  .ppv-text-toolbar {
    grid-template-columns: repeat(2, 1fr);
  }

  .ppv-current-comment {
    max-height: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ppv-control-button,
  .ppv-text-button,
  .ppv-eval-bar,
  .ppv-eval-bar__fill {
    transition: none;
  }

  .ppv-engine-panel[data-engine-state="loading"] .ppv-engine-toggle,
  .ppv-engine-panel[data-engine-state="searching"] .ppv-engine-toggle {
    animation: none;
  }
}

.ppv-comment-paragraph + .ppv-comment-paragraph {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid color-mix(in srgb, var(--ppv-border) 75%, transparent);
}

.ppv-inline-move-ref {
  display: flex;
  width: fit-content;
  max-width: 100%;
  align-items: center;
  min-height: 24px;
  margin: 6px 0;
  padding: 0 6px;
  border: 1px solid color-mix(in srgb, var(--ppv-accent) 35%, var(--ppv-border));
  border-radius: 6px;
  background: var(--ppv-accent-soft);
  color: var(--ppv-accent);
  direction: ltr;
  font: 700 0.94em/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  vertical-align: baseline;
  cursor: pointer;
}

.ppv-inline-move-ref:hover,
.ppv-inline-move-ref:focus-visible {
  border-color: var(--ppv-accent);
  background: var(--ppv-accent);
  color: #fff;
  outline: none;
}

.ppv-inline-analysis-line {
  display: flex;
  width: fit-content;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  max-width: 100%;
  margin: 6px 0;
  padding: 5px 6px;
  border: 1px solid var(--ppv-border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--ppv-panel) 88%, var(--ppv-accent-soft));
  direction: ltr;
  vertical-align: middle;
}

.ppv-inline-analysis-line__label {
  display: none;
}

.ppv-inline-analysis-line__chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 1px 8px;
  border: 1px solid color-mix(in srgb, var(--ppv-accent) 40%, var(--ppv-border));
  border-radius: 999px;
  background: var(--ppv-accent-soft);
  color: var(--ppv-accent);
  direction: ltr;
  font: 700 0.82em/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: nowrap;
  cursor: pointer;
}

.ppv-inline-analysis-line__chip:hover,
.ppv-inline-analysis-line__chip:focus-visible {
  border-color: var(--ppv-accent);
  background: var(--ppv-accent);
  color: #fff;
  outline: none;
}

.ppv-comment-paragraph {
  display: block;
  width: 100%;
  min-width: 0;
  white-space: break-spaces;
  overflow-wrap: break-word;
  word-break: normal;
}

/* 1.12.0 — continuous engine and per-user editable PGN tree */
.ppv-engine-panel {
  grid-template-columns: 32px 54px 44px minmax(0, 1fr) repeat(4, 32px);
}

.ppv-engine-depth {
  display: inline-flex;
  width: auto;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  cursor: default;
  user-select: none;
}

.ppv-analysis-mini-button svg {
  display: block;
  width: 16px;
  height: 16px;
}

.ppv-save-user-button.has-unsaved-changes {
  border-color: color-mix(in srgb, var(--ppv-accent) 62%, var(--ppv-border));
  background: var(--ppv-accent-soft);
  color: var(--ppv-accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--ppv-accent) 12%, transparent);
}

.ppv-delete-branch-button:not(:disabled):hover,
.ppv-delete-branch-button:not(:disabled):focus-visible {
  border-color: #e05252;
  background: #fff0f0;
  color: #b42323;
}

/* Analysis and engine chip strings are notation, so they always remain LTR and left aligned. */
.ppv-engine-pv,
.ppv-inline-analysis-line {
  direction: ltr !important;
  text-align: left !important;
  justify-content: flex-start !important;
  unicode-bidi: isolate;
}

.ppv-engine-pv {
  margin-right: 0;
  margin-left: 0;
}

.ppv-inline-analysis-line {
  margin-right: auto;
  margin-left: 0;
}

@media (max-width: 680px) {
  .ppv-engine-panel {
    grid-template-columns: 32px 48px 42px minmax(90px, 1fr) repeat(4, 30px);
    gap: 3px;
  }
}

@media (max-width: 520px) {
  .ppv-engine-panel {
    grid-template-columns: 32px 48px 42px minmax(86px, 1fr) repeat(4, 30px);
    overflow-x: auto;
  }
}


/* 1.13.1 — tighter comment line height; 1.13.0 — compact typography controls and figurine chess notation. */
.ppv-text-size-select {
  width: 48px;
  height: 28px;
  min-height: 28px;
  padding: 0 18px 0 5px;
  border: 1px solid var(--ppv-border);
  border-radius: 7px;
  background-color: var(--ppv-panel);
  color: var(--ppv-text);
  direction: ltr;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
}

.ppv-text-size-select:focus-visible {
  border-color: var(--ppv-accent);
  outline: 2px solid color-mix(in srgb, var(--ppv-accent) 22%, transparent);
  outline-offset: 1px;
}

.ppv-comment-text {
  line-height: 1.15;
}

.ppv-move,
.ppv-inline-move-ref,
.ppv-inline-analysis-line__chip,
.ppv-engine-pv-chip {
  font-family: "Segoe UI Symbol", "Noto Sans Symbols 2", "DejaVu Sans", "Arial Unicode MS", ui-sans-serif, sans-serif;
  font-variant-numeric: tabular-nums;
}