.play-shell {
  background:
    linear-gradient(135deg, rgba(47, 157, 112, 0.1), transparent 38%),
    linear-gradient(225deg, rgba(111, 89, 217, 0.09), transparent 40%),
    var(--bg);
}

.play-stage {
  display: grid;
  gap: 20px;
  margin: 0 auto;
  max-width: 1160px;
  padding: 32px clamp(14px, 4vw, 28px) 72px;
}

.play-header {
  display: grid;
  gap: 14px;
  max-width: 820px;
}

.play-header h1 {
  font-size: clamp(42px, 8vw, 88px);
}

.play-toolbar {
  align-items: end;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(180px, 1fr) repeat(4, auto);
}

.play-field {
  display: grid;
  gap: 7px;
}

.play-field label,
.panel-title {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.play-field select,
.play-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  min-height: 44px;
}

.play-field select {
  appearance: none;
  background: #fff;
  color: var(--ink);
  padding: 0 38px 0 14px;
}

.play-button {
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 850;
  padding: 0 14px;
}

.play-button.primary {
  background: var(--plum);
  border-color: rgba(111, 89, 217, 0.32);
  color: #fff;
}

.play-button:hover,
#digit-palette button:hover,
.orchard-cell:hover {
  transform: translateY(-1px);
}

.game-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(280px, 0.95fr) minmax(260px, 0.55fr);
}

.board-panel,
.side-panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(33, 47, 65, 0.1);
}

.board-panel {
  display: grid;
  gap: 16px;
  padding: clamp(14px, 3vw, 22px);
}

.board-strip {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

#level-title {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  margin: 0;
}

#status {
  background: var(--surface-soft);
  border: 1px solid rgba(43, 132, 214, 0.16);
  border-radius: 8px;
  color: #334155;
  margin: 0;
  min-height: 42px;
  padding: 10px 12px;
}

#number-board {
  --board-size: 3;
  aspect-ratio: 1 / 1;
  display: grid;
  gap: clamp(6px, 1.6vw, 10px);
  grid-template-columns: repeat(var(--board-size), minmax(0, 1fr));
  margin: 0 auto;
  max-width: min(680px, 100%);
  width: 100%;
}

.orchard-cell {
  align-items: center;
  appearance: none;
  background: linear-gradient(160deg, #fff, #eef4ff);
  border: 2px solid rgba(23, 32, 42, 0.15);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  display: grid;
  font: inherit;
  min-width: 0;
  padding: 6px;
  position: relative;
}

.orchard-cell[aria-pressed="true"] {
  border-color: var(--plum);
  box-shadow: 0 0 0 4px rgba(111, 89, 217, 0.14);
}

.orchard-cell[data-cage="c1"],
.orchard-cell[data-cage="c3"],
.orchard-cell[data-cage="r0c0"],
.orchard-cell[data-cage="r1c1"] {
  background: linear-gradient(160deg, #fff, rgba(47, 157, 112, 0.16));
}

.orchard-cell[data-cage="c2"],
.orchard-cell[data-cage="c5"],
.orchard-cell[data-cage="r0c2"],
.orchard-cell[data-cage="r2c3"] {
  background: linear-gradient(160deg, #fff, rgba(111, 89, 217, 0.16));
}

.cage-target {
  color: var(--leaf);
  font-size: clamp(0.64rem, 2vw, 0.82rem);
  font-weight: 950;
  left: 8px;
  position: absolute;
  top: 6px;
}

.cell-digit {
  font-size: clamp(1.65rem, 8.4vw, 4.7rem);
  font-weight: 950;
  line-height: 1;
}

#number-board[data-solved="true"] .orchard-cell {
  border-color: rgba(47, 157, 112, 0.42);
  box-shadow: inset 0 -12px 22px rgba(47, 157, 112, 0.08);
}

#digit-palette {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

#digit-palette button {
  aspect-ratio: 1 / 1;
  background: var(--leaf);
  border: 0;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: clamp(1.25rem, 5vw, 2rem);
  font-weight: 950;
}

#digit-palette button:nth-child(2) {
  background: var(--sky);
}

#digit-palette button:nth-child(3) {
  background: var(--plum);
}

#digit-palette button:nth-child(4) {
  background: var(--coral);
}

.side-panel {
  align-content: start;
  display: grid;
  gap: 16px;
  padding: 16px;
}

.target-group {
  display: grid;
  gap: 8px;
}

#row-targets,
#column-targets,
#cage-list {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

#row-targets li,
#column-targets li,
#cage-list li {
  align-items: center;
  background: var(--surface-soft);
  border: 1px solid rgba(43, 132, 214, 0.13);
  border-radius: 8px;
  display: flex;
  gap: 10px;
  justify-content: space-between;
  min-height: 40px;
  padding: 8px 10px;
}

#row-targets li[data-ok="true"],
#column-targets li[data-ok="true"],
#cage-list li[data-ok="true"] {
  background: rgba(47, 157, 112, 0.12);
  border-color: rgba(47, 157, 112, 0.28);
}

#row-targets span,
#column-targets span,
#cage-list span {
  color: var(--plum);
  font-weight: 950;
}

@media (max-width: 860px) {
  .play-toolbar,
  .game-layout {
    grid-template-columns: 1fr;
  }

  .play-button {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .play-stage {
    padding-top: 20px;
  }

  .board-panel,
  .side-panel {
    padding: 12px;
  }

  .board-strip {
    align-items: flex-start;
    flex-direction: column;
  }
}