/* First visual pass: paper, ink and the red/yellow pieces of the physical set. */
:root {
  --ink: #302b25;
  --muted-ink: #766d60;
  --paper: #f6f0e5;
  --board-paper: #efe4ce;
  --yellow: #947022;
  --blue: var(--yellow); /* Stored games retain their original player IDs. */
  --red: #a83830;
  --line: #d9cdb9;
  color: var(--ink);
  background: var(--paper);
}

body {
  background-image: radial-gradient(#806d4310 .6px, transparent .6px);
  background-size: 5px 5px;
}

button:focus-visible, a:focus-visible, summary:focus-visible {
  outline-color: #a83830;
}

.brand { color: var(--ink); }
.brand-icon {
  width: 39px;
  height: 43px;
  display: grid;
  place-items: center;
  border: 1px solid var(--red);
  border-radius: 2px;
  color: var(--red);
  font-family: 'Noto Serif CJK SC', 'Songti SC', SimSun, serif;
  font-size: 28px;
  letter-spacing: 0;
  line-height: 1;
  transform: rotate(-3deg);
}
.brand small { color: var(--muted-ink); }
.mode { color: var(--muted-ink); }
.mode i { background: var(--red); }
.quiet { color: var(--muted-ink); }
.quiet:hover { color: var(--red); }
.eyebrow { color: #8a7152; }
h1 { color: var(--ink); }
h1 em { color: var(--red); }
.intro > p { color: var(--muted-ink); }
.intro-label { color: #78694f; }
.intro-label span { color: #93836b; }

.turn-orb {
  background: #dfb446;
  border-color: #eae0c4;
  color: #40321d;
}
.turn.red .turn-orb {
  background: var(--red);
  border-color: #ebd6ca;
  color: #fff5df;
}
.turn small { color: var(--muted-ink); }
.new-game {
  background: var(--ink);
  border-radius: 3px;
  color: #fff7e6;
  transition: background .15s;
}
.new-game:hover { background: var(--red); }
.field-key { color: var(--muted-ink); }

.player.red { color: var(--red); }
.player.blue { color: var(--yellow); }
.player-dot { background: var(--red); }
.blue .player-dot { background: #c6942f; }
.player .playing {
  border-radius: 2px;
  font-weight: 600;
  letter-spacing: .5px;
}
.player {
  height: auto;
  min-height: 52px;
  padding: 10px 14px;
  margin: 9px 0;
  gap: 10px;
  border: 1px solid #d5c8af;
  border-radius: 3px;
  background: #ede4d3;
  transition: background .2s, color .2s, border-color .2s;
}
.player.facing-away { transform: rotate(180deg); }
.player > b { font-size: 12px; }
.player .captured {
  margin-left: 0;
  font-size: 12px;
  letter-spacing: 0;
  max-width: 35%;
  line-height: 1.4;
}
.player .captured:empty { display: none; }
.player-message {
  margin-left: auto;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .7px;
  white-space: nowrap;
}
.player.is-active .player-message { font-size: 16px; font-weight: 800; }
.player.blue.is-active {
  color: #3e2b0c;
  background: #e5b947;
  border-color: #b88b29;
  --turn-flash: #d5a33255;
}
.player.red.is-active {
  color: #fff6e5;
  background: #ad3f35;
  border-color: #88332c;
  --turn-flash: #ad3f3555;
}
.player.is-active .player-dot { background: currentColor; }
.player.is-active { animation: announce-turn .7s ease-out; }
@keyframes announce-turn {
  from { box-shadow: 0 0 0 7px var(--turn-flash); }
  to { box-shadow: 0 0 0 0 transparent; }
}
.game { --turn-edge-color: #d3a12e; }
.game[data-active-player=red] { --turn-edge-color: #ad3f35; }

.board-wrap {
  position: relative;
  padding: 12px;
  border: 1px solid #9a8261;
  border-radius: 3px;
  background: #e6d7b9;
  box-shadow: 0 3px 0 #c7b592, 0 12px 30px #47351c0d;
}
.board-wrap::before, .board-wrap::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  height: 4px;
  border-radius: 1px;
  background: var(--turn-edge-color);
  pointer-events: none;
  opacity: 0;
}
.board-wrap::before { top: 3px; }
.board-wrap::after { bottom: 3px; }
.game[data-turn-edge=top] .board-wrap::before,
.game[data-turn-edge=bottom] .board-wrap::after { opacity: 1; }
#board {
  position: relative;
  isolation: isolate;
  border: 2px solid #423a2e;
  border-radius: 0;
  background: var(--board-paper);
  gap: 0;
}
.cell, .cell.shade {
  background: var(--board-paper);
  border: 0;
  border-right: 1.5px solid #423a2ed9;
  border-bottom: 1.5px solid #423a2ed9;
}
.cell:nth-child(7n) { border-right: 0; }
.cell:nth-child(n+57) { border-bottom: 0; }
.cell.water {
  background: transparent;
  color: #61766a;
}
.cell.water::before { content: none; }
.cell.trap, .cell.den { background: var(--board-paper); }
.terrain-icon,
.den .terrain-icon,
.cell[data-owner=red] .terrain-icon {
  width: 87%;
  height: 87%;
  color: #443d31;
  pointer-events: none;
}
.terrain-icon svg { display: block; width: 100%; height: 100%; }
.terrain-icon.facing-away { transform: rotate(180deg); }
.seal-frame { fill: none; stroke: currentColor; stroke-width: 2.5; stroke-linejoin: round; }
.seal-inner-ring { stroke-width: 1.5; }
.seal-fill { fill: currentColor; }
.seal-paper { fill: var(--board-paper); }
.seal-writing {
  fill: currentColor;
  font-family: KaiTi, STKaiti, 'Noto Serif CJK SC', SimSun, serif;
  font-size: 24px;
  text-anchor: middle;
}
.seal-inverse { fill: var(--board-paper); font-size: 29px; }
.wood-shadow { fill: #694c2d; }
.trap-well { fill: #3b3023; }
.trap-bevel { fill: #251f19; }
.wood-beams { fill: #b58a54; stroke: #704d2d; stroke-width: 1.4; stroke-linejoin: round; }
.wood-highlight { fill: none; stroke: #e3c08b; stroke-width: 1.2; }
.wood-grain { fill: none; stroke: #7c552e; stroke-width: .9; opacity: .7; }
.wood-pegs { fill: #64482e; stroke: #d3ab73; stroke-width: .6; }
.trap .seal-paper, .legend-seal .seal-paper { fill: #e4d1aa; }
.seal-writing.trap-writing { fill: #fffaf0; font-size: 34px; }
.den-shadow { fill: #5f6653; }
.den-stone { fill: #aeb59b; stroke: #65725b; stroke-width: 1.5; }
.den-highlight { fill: none; stroke: #d6d8bc; stroke-width: 2; stroke-linecap: round; }
.den-border { fill: none; stroke: #566b55; stroke-width: 1.3; }
.den-heart { fill: #384f40; stroke: #859375; stroke-width: 1; }
.den-engraving { fill: none; stroke: #78836b; stroke-width: 1; }

.river-art, .river-label {
  position: absolute;
  top: calc(100% / 3);
  width: calc(100% * 2 / 7);
  height: calc(100% / 3);
  pointer-events: none;
}
.river-left { left: calc(100% / 7); }
.river-right { left: calc(100% * 4 / 7); }
.river-art {
  z-index: -1;
  background-color: #cbd3c3;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='12' viewBox='0 0 48 12'%3E%3Cpath d='M0 6Q12 0 24 6T48 6' fill='none' stroke='%235c7060' stroke-opacity='.58' stroke-width='1.1'/%3E%3C/svg%3E");
  background-size: 48px 12px;
  animation: river-current 18s linear infinite paused;
  animation-delay: var(--river-phase, 0s);
}
html[data-water-motion=on] .river-art { animation-play-state: running; }
.river-right.river-art { animation-direction: reverse; }
.river-label {
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-evenly;
  color: #384d3d;
  font-family: KaiTi, STKaiti, 'Noto Serif CJK SC', SimSun, serif;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1;
}
.river-label span {
  paint-order: stroke fill;
  -webkit-text-stroke: 5px #e5e7d7;
  text-shadow: 0 1px 0 #e5e7d7;
}
.river-label.river-left { transform: rotate(180deg); }
#board.flipped .river-label.river-left { transform: none; }
#board.flipped .river-label.river-right { transform: rotate(180deg); }
@keyframes river-current { to { background-position: 48px 0; } }
.water-motion {
  display: none;
  margin: 0 auto;
  padding: 4px 12px 8px;
  color: var(--muted-ink);
  font-size: 9px;
}
.field-key > span { display: inline-flex; align-items: center; gap: 5px; }
.legend-seal { display: inline-flex; width: 20px; height: 20px; color: #443d31; }
.legend-seal svg { width: 100%; height: 100%; }
.coord { color: #7d6c51; font-size: 8px; }

.piece {
  z-index: 2;
  width: 77%;
  height: 77%;
  border: 2px solid;
  transition: transform .15s;
}
.piece.blue {
  background: #e5bd4f;
  border-color: #f7dda0;
  box-shadow: 0 0 0 1.5px #8f6927, 0 3px 0 #ad812b, 0 5px 6px #46361c24;
}
.piece.red {
  background: #bf5141;
  border-color: #df9380;
  box-shadow: 0 0 0 1.5px #7b2e27, 0 3px 0 #8e382e, 0 5px 6px #46361c24;
}
.piece small {
  width: 15px;
  height: 15px;
  right: -2px;
  bottom: -2px;
  background: #60471c;
  color: #fff8e9;
  box-shadow: 0 0 0 1px #efe4ce;
}
.piece.red small { background: #742b25; }
.piece-face {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
}
.piece-face.facing-away { transform: rotate(180deg); }
.piece.is-trapped {
  width: 72%;
  height: 72%;
  margin-top: 3px;
  border-color: #7a6141;
  box-shadow: inset 0 3px 6px #251b1755, 0 0 0 1.5px #58452e;
}
.piece.blue.is-trapped { background: #b39443; }
.piece.red.is-trapped { background: #964438; }
.piece.is-trapped .piece-face > span { opacity: .72; }
.piece.is-trapped small {
  background: #2b241d;
  color: #ff8174;
  box-shadow: 0 0 0 1.5px #fff4dc;
}
.piece-ghost { z-index: 4; pointer-events: none; }
#board[data-animating] .cell { cursor: default; }
button[data-motion-lock] { opacity: 1; }
.selected {
  box-shadow: inset 0 0 0 2px #73592c !important;
  background: #e0c993 !important;
}
.selected .piece { transform: translateY(-2px) scale(1.05); }
.selected .piece.is-trapped { transform: scale(1.03); }
.legal::after {
  z-index: 3;
  width: 19%;
  height: 19%;
  background: #4f483dcc;
  box-shadow: 0 0 0 4px #f6f0e580;
}
.legal.capture::after {
  width: 92%;
  height: 92%;
  background: transparent;
  border: 2px dashed #392c23;
  box-shadow: none;
}
.last { box-shadow: inset 0 0 0 2px #92713c88; }
.board-note { color: var(--muted-ink); }

.aside-title { color: #78694f; }
.aside-title span, .animal-row > b { color: #89785c; }
.animal-row small { color: var(--muted-ink); }
.tip > span { color: #89785c; }
.tip p { color: var(--ink); }
.tip > div span { color: #9b8867; }
summary { color: var(--ink); }
summary span { color: #89785c; }
#history { color: var(--muted-ink); }
#history li { border-color: #e5d9c5; }
.empty { color: #89785c; }
footer { color: #8d7e68; }

dialog {
  border-color: #c9b797;
  border-radius: 5px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 20px 100px #392c2340;
}
dialog::backdrop { background: #302b256b; }
dialog p, dialog li, dialog .close { color: var(--muted-ink); }
.dialog-actions button {
  border-color: #d3c3a7;
  background: #eee4d2;
  color: var(--ink);
}
.dialog-actions .primary { background: var(--ink); color: #fff7e6; }

@media (max-width: 700px) {
  .brand-icon { width: 31px; height: 35px; font-size: 23px; }
  .board-wrap { padding: 8px; }
  .piece small { width: 13px; height: 13px; font-size: 8px; }
  .river-label { font-size: clamp(23px, 7vw, 34px); }
  .river-label span { -webkit-text-stroke-width: 4px; }
  .player { min-height: 47px; padding: 9px 11px; gap: 8px; }
  .player > b { font-size: 11px; }
  .player .captured { font-size: 11px; max-width: 30%; }
  .player.is-active .player-message { font-size: 14px; }
  .player-message { font-size: 9px; }
  .board-wrap::before, .board-wrap::after { left: 8px; right: 8px; height: 3px; }
  .board-wrap::before { top: 2px; }
  .board-wrap::after { bottom: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  .piece, .new-game, .player { transition: none; }
  .player.is-active { animation: none; }
}