/* Board mode rules: interactive without scripts (radio steps, :has calculator). */
.board-rules h4 {
  margin: 28px 0 12px;
  font-size: 19px;
}
.board-walk {
  position: relative;
  margin: 18px 0 8px;
  padding: 18px;
  border-radius: 20px;
  background: radial-gradient(circle at 50% 0, #1d4a4c, #0f2a30 70%);
  color: #f4e8ce;
  box-shadow: 0 10px 28px rgba(6, 22, 26, 0.28);
}
.board-walk > input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}
.board-walk-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 16px;
}
.board-walk-tabs label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 4px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  font-size: 13px;
  text-align: center;
  transition:
    background 0.2s,
    color 0.2s;
}
.board-walk-tabs b {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid #e5c889;
  color: #e5c889;
  font-size: 14px;
}
.board-walk-tabs label:hover {
  background: rgba(229, 200, 137, 0.16);
}
.board-walk:has(#board-step-1:checked) label[for="board-step-1"],
.board-walk:has(#board-step-2:checked) label[for="board-step-2"],
.board-walk:has(#board-step-3:checked) label[for="board-step-3"],
.board-walk:has(#board-step-4:checked) label[for="board-step-4"],
.board-walk:has(#board-step-5:checked) label[for="board-step-5"] {
  background: #e5c889;
  color: #16313e;
}
.board-walk:has(#board-step-1:checked) label[for="board-step-1"] b,
.board-walk:has(#board-step-2:checked) label[for="board-step-2"] b,
.board-walk:has(#board-step-3:checked) label[for="board-step-3"] b,
.board-walk:has(#board-step-4:checked) label[for="board-step-4"] b,
.board-walk:has(#board-step-5:checked) label[for="board-step-5"] b {
  border-color: #16313e;
  background: #16313e;
  color: #e5c889;
}
.board-walk > input:focus-visible ~ .board-walk-tabs {
  outline: 2px solid #e5c889;
  outline-offset: 4px;
  border-radius: 12px;
}
.board-walk-panel {
  display: none;
  animation: board-panel-in 0.35s ease-out;
}
#board-step-1:checked ~ .board-walk-1,
#board-step-2:checked ~ .board-walk-2,
#board-step-3:checked ~ .board-walk-3,
#board-step-4:checked ~ .board-walk-4,
#board-step-5:checked ~ .board-walk-5 {
  display: block;
}
.mr-rules .board-walk-panel p {
  color: #f4e8ce;
  margin: 14px 0 10px;
  font-size: 16px;
  line-height: 1.5;
}
.board-tiles {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
  min-height: 70px;
  padding: 14px 10px;
  border-radius: 14px;
  background: linear-gradient(#d99a55, #b06a33);
  box-shadow:
    inset 0 -5px 0 #8e4f24,
    inset 0 2px 0 #f2c27e;
}
.board-tiles img,
.board-mini img {
  width: 42px;
  height: auto;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.25));
}
.board-joker {
  display: inline-grid;
  place-items: center;
  width: 38px;
  aspect-ratio: 164 / 220;
  border-radius: 7px;
  border: 1px solid #d9d1bd;
  border-right: 4px solid #9a83c7;
  border-bottom: 4px solid #9a83c7;
  background: #fbf6ea;
  color: #1f6a43;
  font:
    900 26px/1 Georgia,
    serif;
  box-sizing: border-box;
}
.board-new {
  animation: board-pop 1.6s ease-in-out infinite;
}
.board-out {
  animation: board-throw 1.8s ease-in-out infinite;
}
.board-tiles-win {
  gap: 12px;
}
.board-set {
  display: inline-flex;
  gap: 2px;
  padding: 4px;
  border-radius: 9px;
  background: rgba(255, 244, 214, 0.28);
}
.board-walk-next {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  background: #e5c889;
  color: #16313e;
  font-weight: 800;
  cursor: pointer;
}
.board-points {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.board-points > div {
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 12px 8px;
  border: 1px solid var(--line, #d5ddcf);
  border-radius: 14px;
  background: #f7f8f2;
  text-align: center;
}
.board-points b {
  font-size: 24px;
  color: #236b50;
}
.board-mini {
  display: inline-flex;
  gap: 1px;
}
.board-mini img {
  width: 28px;
}
.board-mini .board-joker {
  width: 26px;
  font-size: 18px;
  border-radius: 5px;
  border-right-width: 3px;
  border-bottom-width: 3px;
}
.board-calc {
  padding: 16px 18px;
  border: 1px solid var(--line, #d5ddcf);
  border-radius: 16px;
  background: #f0f3e9;
}
.board-calc p {
  margin-top: 0;
}
.board-calc label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 6px 0;
  cursor: pointer;
}
.board-calc input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: #236b50;
  flex: none;
}
.board-calc-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line, #d5ddcf);
  font-weight: 800;
}
.board-calc-total output b {
  display: none;
  font-size: 34px;
  color: #236b50;
  animation: board-pop-once 0.3s ease-out;
}
.board-calc:not(:has(#board-calc-draw:checked)):not(
    :has(#board-calc-closed:checked)
  ):not(:has(#board-calc-jokers:checked))
  .t145,
.board-calc:has(#board-calc-draw:checked):not(
    :has(#board-calc-closed:checked)
  ):not(:has(#board-calc-jokers:checked))
  .t165a,
.board-calc:not(:has(#board-calc-draw:checked)):has(
    #board-calc-closed:checked
  ):not(:has(#board-calc-jokers:checked))
  .t165b,
.board-calc:has(#board-calc-draw:checked):has(#board-calc-closed:checked):not(
    :has(#board-calc-jokers:checked)
  )
  .t185,
.board-calc:not(:has(#board-calc-draw:checked)):not(
    :has(#board-calc-closed:checked)
  ):has(#board-calc-jokers:checked)
  .t300,
.board-calc:has(#board-calc-draw:checked):not(
    :has(#board-calc-closed:checked)
  ):has(#board-calc-jokers:checked)
  .t340a,
.board-calc:not(:has(#board-calc-draw:checked)):has(
    #board-calc-closed:checked
  ):has(#board-calc-jokers:checked)
  .t340b,
.board-calc:has(#board-calc-draw:checked):has(#board-calc-closed:checked):has(
    #board-calc-jokers:checked
  )
  .t380 {
  display: inline;
}
@keyframes board-panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes board-pop {
  0%,
  100% {
    transform: translateY(0);
  }
  45% {
    transform: translateY(-9px);
    filter: drop-shadow(0 0 8px #ffe27a);
  }
}
@keyframes board-throw {
  0%,
  25% {
    transform: none;
    opacity: 1;
  }
  70% {
    transform: translateY(-46px) rotate(-8deg);
    opacity: 0.25;
  }
  100% {
    transform: translateY(-46px) rotate(-8deg);
    opacity: 0;
  }
}
@keyframes board-pop-once {
  from {
    transform: scale(0.7);
  }
  to {
    transform: none;
  }
}
@media (max-width: 560px) {
  .board-walk {
    padding: 12px;
  }
  .board-walk-tabs span {
    font-size: 11px;
  }
  .board-tiles img {
    width: 34px;
  }
  .board-tiles .board-joker {
    width: 31px;
    font-size: 21px;
  }
}
@media (max-width: 460px) {
  .board-walk-tabs {
    display: flex;
  }
  .board-walk-tabs label {
    flex: none;
    padding: 8px 9px;
  }
  .board-walk-tabs span {
    display: none;
  }
  .board-walk:has(#board-step-1:checked) label[for="board-step-1"],
  .board-walk:has(#board-step-2:checked) label[for="board-step-2"],
  .board-walk:has(#board-step-3:checked) label[for="board-step-3"],
  .board-walk:has(#board-step-4:checked) label[for="board-step-4"],
  .board-walk:has(#board-step-5:checked) label[for="board-step-5"] {
    flex: 1;
  }
  .board-walk:has(#board-step-1:checked) label[for="board-step-1"] span,
  .board-walk:has(#board-step-2:checked) label[for="board-step-2"] span,
  .board-walk:has(#board-step-3:checked) label[for="board-step-3"] span,
  .board-walk:has(#board-step-4:checked) label[for="board-step-4"] span,
  .board-walk:has(#board-step-5:checked) label[for="board-step-5"] span {
    display: block;
    font-size: 13px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .board-new,
  .board-out,
  .board-walk-panel,
  .board-calc-total output b {
    animation: none;
  }
}

.mr-rules table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}
/* Formation examples: separate groups, readable symbols and narrow-screen wrapping. */
.rules-examples {
  margin-block: 1.5rem;
}
.formation-examples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 1rem;
}
.formation-example {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid #a0c3ae;
  border-radius: 14px;
  background: #eff8f1;
}
.formation-example.is-invalid {
  border-color: #e3b0a7;
  background: #fff1ec;
}
.formation-example strong {
  color: #236343;
}
.formation-example.is-invalid strong {
  color: #9c3429;
}
.example-tiles {
  display: inline-flex;
  gap: 3px;
  flex-shrink: 0;
}
.example-tile {
  box-sizing: border-box;
  width: 34px;
  height: 50px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  padding: 3px;
  border: 1px solid #d4bb82;
  border-radius: 5px;
  background: #fffdf3;
  box-shadow: 1px 3px 0 #b39b69;
  color: #164f3c;
}
.example-tile b {
  font-size: 13px;
  line-height: 1;
}
.example-tile > span {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px;
  max-width: 24px;
}
.example-tile i {
  display: block;
  width: 5px;
  height: 10px;
  border-radius: 2px;
  background: repeating-linear-gradient(
    to bottom,
    #267947 0 5px,
    #b8d7a2 5px 7px
  );
}
.winning-example {
  margin-block: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 1.25rem;
  border-radius: 14px;
  background: #edd8ae;
}
.example-score,
.example-warning {
  padding: 1rem;
  border-inline-start: 4px solid #c49236;
  background: #fff7e5;
  border-radius: 5px;
}