/* Only the article replay; the standalone chess game keeps its own UI. */
.chessboard-wrapper.sszk-replay {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin-block: 1.5rem;
  padding: clamp(8px, 2vw, 20px);
  border: 1px solid var(--color-line, #d7dde5);
  border-radius: var(--radius, 6px);
  background: var(--color-white, #fff);
}

.sszk-replay > iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  border: 0;
}

.sszk-replay .sszk-replay-appearance {
  min-width: 0;
  margin: 0 0 20px;
  padding: 0 0 16px;
  border: 0;
  border-bottom: 1px solid var(--replay-line, #d7dde5);
  color: var(--replay-ink, #1f2937);
}

.sszk-replay-appearance legend {
  margin-bottom: 10px;
  padding: 0;
  font-size: 15px;
  font-weight: 700;
}

.sszk-replay-styles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(88px, 100%), 1fr));
  gap: 6px;
}

.sszk-replay-style {
  position: relative;
  min-width: 0;
  cursor: pointer;
}

/* Native radio behavior: one Tab stop, arrow keys change the appearance. */
.sszk-replay-style input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.sszk-replay-style-choice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-sizing: border-box;
  min-height: 44px;
  padding: 8px 5px;
  color: var(--replay-ink, #1f2937);
  background: var(--replay-surface, #fff);
  border: 1px solid var(--replay-line, #b7c0cb);
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.3;
  flex-wrap: wrap;
  overflow-wrap: anywhere;
}

.sszk-replay-style input:checked + .sszk-replay-style-choice {
  border-color: var(--replay-focus, #003a70);
  background: var(--replay-selected, #e8f1f8);
  box-shadow: inset 0 0 0 1px var(--replay-focus, #003a70);
  font-weight: 700;
}

.sszk-replay-style:hover .sszk-replay-style-choice {
  border-color: var(--replay-focus, #003a70);
}

.sszk-replay-style input:focus-visible + .sszk-replay-style-choice {
  outline: 3px solid var(--replay-focus, #005daa);
  outline-offset: 2px;
}

.sszk-replay-swatch {
  flex: 0 0 18px;
  height: 18px;
  border: 1px solid currentColor;
  border-radius: 2px;
  background: conic-gradient(var(--swatch-light) 25%, var(--swatch-dark) 0 50%, var(--swatch-light) 0 75%, var(--swatch-dark) 0);
}

.chessboard-wrapper.sszk-replay-themed {
  background: var(--replay-surface);
  border-color: var(--replay-line);
}

.sszk-replay .sszk-replay-tools {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 12px;
}
.sszk-replay .sszk-replay-tools button {
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--replay-line, #b7c0cb);
  border-radius: 4px;
  background: var(--replay-control, #e8f1f8);
  color: var(--replay-ink, #17334d);
  font: 600 15px/1.4 system-ui, sans-serif;
  cursor: pointer;
}
.sszk-replay-tools button:focus-visible {
  outline: 3px solid var(--replay-focus, #005daa);
  outline-offset: 2px;
}
@media (max-width: 767px) {
  .sszk-replay .sszk-replay-tools { display: none; }
}
.chessboard-wrapper.sszk-replay-expanded {
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
  align-items: start;
  column-gap: 24px;
  width: 100%;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  margin: 0;
  padding: 12px;
  border: 0;
  border-radius: 0;
  overflow: auto;
  background: var(--replay-surface, #fff);
  overscroll-behavior: contain;
}
.sszk-replay.sszk-replay-expanded .sszk-replay-tools { display: flex; grid-column: 1 / -1; width: 100%; }
.sszk-replay-expanded .sszk-replay-appearance { grid-column: 1; min-width: 0; max-height: 100%; overflow: auto; }
.sszk-replay-expanded .sszk-replay-styles { display: grid; grid-template-columns: 1fr; }
.sszk-replay-expanded > iframe { grid-column: 2; width: 100%; min-width: 0; }
@media (max-width: 1000px) {
  .chessboard-wrapper.sszk-replay-expanded { grid-template-columns: 120px minmax(0, 1fr); column-gap: 12px; }
}

/* Wider reading mode; presentation/fullscreen retains its existing layout. */
.chessboard-wrapper.sszk-replay-wide-inline {
  position: relative;
  left: var(--replay-wide-offset, 0px);
  width: var(--replay-wide-width, 100%);
  max-width: none;
}
.chessboard-wrapper.sszk-replay-wide-overlay {
  position: fixed;
  inset: 20px;
  width: min(1400px, calc(100% - 40px));
  max-width: none;
  height: auto;
  max-height: calc(100vh - 40px);
  max-height: calc(100dvh - 40px);
  margin: auto;
  overflow: auto;
  overscroll-behavior: contain;
  color: var(--replay-ink, #1f2937);
  background: var(--replay-surface, #fff);
  box-shadow: 0 16px 60px #0005;
  overflow-anchor: none;
}
.sszk-replay-wide-overlay::backdrop { background: #0008; }
.sszk-replay-wide-overlay .sszk-replay-tools {
  position: sticky;
  top: 0;
  z-index: 1;
  padding-block: 8px;
  background: var(--replay-surface, #fff);
}
.sszk-replay .sszk-replay-notice:empty { display: none; }
.sszk-replay .sszk-replay-notice { flex-basis: 100%; font: 14px/1.5 system-ui, sans-serif; }
.sszk-replay-expanded .sszk-replay-wide-button { display: none; }