.play-shell {
  min-height: 100vh;
  padding: 24px clamp(14px, 4vw, 32px) 64px;
}

.play-nav,
.play-stage {
  margin: 0 auto;
  max-width: 1120px;
}

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

.play-stage {
  display: grid;
  gap: 20px;
  padding-top: 36px;
}

.play-header {
  display: grid;
  gap: 12px;
  max-width: 780px;
}

.play-header h1 {
  font-size: clamp(2.8rem, 8vw, 5.8rem);
}

.play-toolbar {
  align-items: end;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(180px, 1fr) repeat(3, auto);
}

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

.play-field label,
.panel-title {
  color: var(--muted);
  font-size: .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: var(--paper);
  color: var(--ink);
  padding: 0 38px 0 14px;
}

.play-button {
  background: rgba(255, 247, 232, .1);
  color: var(--paper);
  cursor: pointer;
  font-weight: 850;
  padding: 0 14px;
}

.play-button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
}

.game-layout {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 320px);
}

.board-panel,
.side-panel,
.rule-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, .24);
}

.board-panel,
.side-panel {
  padding: clamp(14px, 3vw, 22px);
}

.board-strip {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
}

.board-strip h2 {
  font-size: clamp(1.4rem, 4vw, 2.1rem);
}

#status {
  margin: 0;
}

#status[data-kind="Solved"] {
  color: #8bf2a0;
  font-weight: 850;
}

#status[data-kind="WrongCandidate"],
#status[data-kind="AmbiguousPuzzle"] {
  color: #ffb7a8;
  font-weight: 850;
}

#stamp-row {
  display: grid;
  gap: clamp(8px, 2vw, 14px);
  grid-template-columns: repeat(5, minmax(54px, 1fr));
}

.stamp-slot,
.candidate-button {
  min-width: 0;
}

.stamp-slot {
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: rgba(255, 247, 232, .08);
}

.stamp-slot.missing {
  border-style: dashed;
}

.stamp-slot.missing > span {
  color: var(--muted);
  font-size: 2rem;
  font-weight: 1000;
}

.stamp-token {
  align-items: center;
  background: color-mix(in srgb, var(--stamp-color), white 12%);
  border: 3px solid var(--stamp-color);
  border-radius: 8px;
  color: var(--ink);
  display: grid;
  grid-template-areas: "shape count" "accent accent";
  grid-template-columns: 1fr auto;
  height: min(88px, 18vw);
  min-height: 58px;
  min-width: 58px;
  padding: 6px;
  transform: rotate(var(--stamp-rotation));
  width: min(88px, 18vw);
}

.stamp-token.dot {
  background-image: radial-gradient(circle, rgba(23, 20, 20, .28) 18%, transparent 20%);
  background-size: 12px 12px;
}

.stamp-token.stripe {
  background-image: repeating-linear-gradient(135deg, rgba(23, 20, 20, .18) 0 6px, transparent 6px 12px);
}

.stamp-shape {
  font-size: clamp(1.4rem, 6vw, 2rem);
  grid-area: shape;
  line-height: 1;
}

.stamp-count {
  font-size: .78rem;
  font-weight: 1000;
  grid-area: count;
}

.stamp-accent {
  font-size: .66rem;
  font-weight: 900;
  grid-area: accent;
  min-height: 1em;
  text-align: center;
  text-transform: uppercase;
}

.rule-panel {
  margin-top: 16px;
  padding: 14px;
}

.rule-panel ul {
  margin: 0;
  padding-left: 20px;
}

#candidate-list {
  display: grid;
  gap: 10px;
}

.candidate-button {
  align-items: center;
  background: rgba(255, 247, 232, .08);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--paper);
  cursor: pointer;
  display: grid;
  font: inherit;
  gap: 10px;
  grid-template-columns: auto minmax(0, 1fr);
  min-height: 82px;
  padding: 10px;
  text-align: left;
}

.candidate-button[aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(255, 206, 61, .22);
}

.candidate-button span:last-child {
  font-weight: 850;
  overflow-wrap: anywhere;
}

@media (max-width: 760px) {
  .play-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .play-toolbar,
  .game-layout {
    grid-template-columns: 1fr;
  }

  .play-button,
  .play-field select {
    width: 100%;
  }

  #stamp-row {
    grid-template-columns: repeat(5, minmax(48px, 1fr));
  }

  .stamp-token {
    height: min(68px, 16vw);
    min-height: 48px;
    min-width: 48px;
    width: min(68px, 16vw);
  }
}