/* senet: rules used only by the senet pages (loaded after base.css). */
/* Senet board: a 3x10 float-grid (same technique as the chess/checkers/
   Connect Four boards - a JS-enforced square size per cell, since CSS
   `aspect-ratio` is unreliable on E-Ink browsers), numbered in the
   traditional boustrophedon path across all three rows. The three named
   squares (House of Rebirth/Beauty/Water) get their own hatch patterns
   rather than a color, so they stay distinguishable on a monochrome
   E-Ink display. */
#senet-board {
  display: block;
  width: 100%;
  max-width: 820px;
  border: 3px solid var(--border);
  background: var(--square-light);
  box-sizing: border-box;
  overflow: hidden;
  margin: 0 auto;
}

.senet-square {
  width: calc(100% / 10);
  background: var(--square-light);
  border: 1px solid var(--border);
}

.senet-square-number {
  position: absolute;
  top: 2px;
  left: 4px;
  font-size: 0.6rem;
  line-height: 1;
  color: var(--muted);
  pointer-events: none;
}

.senet-square-rebirth {
  background: repeating-linear-gradient(45deg, var(--square-light), var(--square-light) 5px, #e6e6e6 5px, #e6e6e6 6px);
}

.senet-square-beauty {
  background: repeating-linear-gradient(-45deg, var(--square-light), var(--square-light) 5px, #e6e6e6 5px, #e6e6e6 6px);
}

.senet-square-water {
  background: repeating-linear-gradient(90deg, var(--square-light), var(--square-light) 4px, #d8d8d8 4px, #d8d8d8 6px);
}

/* Senet: the square numbers sit top left, so the triangle goes top right. */
.senet-square-movable {
  background: linear-gradient(225deg, var(--text) 0, var(--text) 12px, transparent 12px) var(--square-dark);
}

.senet-piece {
  position: absolute;
  top: 55%;
  left: 50%;
  width: 62%;
  height: 62%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-sizing: border-box;
  pointer-events: none;
}

.senet-piece-a {
  background: #111;
  border: 2px solid #000;
}

.senet-piece-b {
  background: #fdfdfd;
  border: 2px solid var(--border);
}

.senet-piece-count {
  position: absolute;
  bottom: 2px;
  right: 3px;
  font-size: 0.6rem;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

/* Small disc icons for the color-choice picker and board placeholder,
   matching the board's own piece styling. */
.senet-icon-disc {
  display: inline-block;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  vertical-align: middle;
  box-sizing: border-box;
}

.senet-icon-disc-a {
  background: #111;
  border: 2px solid #000;
}

.senet-icon-disc-b {
  background: #fdfdfd;
  border: 2px solid var(--border);
}

.senet-borne-off {
  text-align: center;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  white-space: pre-wrap;
}

.senet-sticks-area {
  display: flex;
  align-items: center;
  justify-content: center;
margin-top: 0.5rem;
}

/* Flexbox `gap` fallback: margin-based spacing instead, since some E-Ink browsers (Tolino confirmed) don't support `gap` on a flex container and render items with zero space between them. */
.senet-sticks-area > * {
  margin: 0 0.6rem 0.6rem 0;
}

.senet-sticks-area > *:last-child {
  margin-right: 0;
}

.senet-sticks-display {
  display: flex;
  align-items: center;
}

/* Flexbox `gap` fallback: margin-based spacing instead, since some E-Ink browsers (Tolino confirmed) don't support `gap` on a flex container and render items with zero space between them. */
.senet-sticks-display > * {
  margin: 0 0.3rem 0.3rem 0;
}

.senet-sticks-display > *:last-child {
  margin-right: 0;
}

.senet-stick {
  display: inline-block;
  width: 0.5rem;
  height: 1.1rem;
  border: var(--border-width) solid var(--border);
  box-sizing: border-box;
}

.senet-stick-marked {
  background: var(--accent);
}

.senet-stick-blank {
  background: #fff;
}

.senet-stick-total {
  font-weight: 700;
  margin-left: 0.3rem;
}