.sokoban-shell-page {
  background:
    radial-gradient(circle at top, rgba(121, 183, 255, 0.16), transparent 28%),
    linear-gradient(180deg, #f5efe6 0%, #dfeefa 100%);
}

.sokoban-head {
  padding-bottom: 12px;
}

.sokoban-stage-card,
.sokoban-info-card {
  border-radius: 30px;
}

.sokoban-stage-card {
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255, 253, 249, 0.96), rgba(243, 249, 255, 0.9)),
    var(--moyu-surface);
}

.sokoban-stage-top,
.sokoban-strip-head,
.sokoban-level-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sokoban-stage-top {
  margin-bottom: 14px;
}

.sokoban-title-block h2,
.sokoban-strip-head h2 {
  margin: 0;
  font-size: 1.3rem;
}

.sokoban-hint,
.sokoban-control-note,
.sokoban-message,
.card-copy {
  margin: 0;
  color: var(--moyu-muted);
  line-height: 1.65;
}

.sokoban-hint {
  margin-top: 10px;
  max-width: 28rem;
}

.sokoban-hud-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.sokoban-hud-card {
  padding: 14px 15px;
  border-radius: 22px;
  border: 1px solid rgba(58, 42, 27, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.sokoban-hud-label {
  display: block;
  margin-bottom: 6px;
  color: var(--moyu-muted);
  font-size: 0.82rem;
}

.sokoban-hud-card strong {
  font-size: 1.18rem;
}

.sokoban-level-strip {
  margin-bottom: 16px;
  padding: 16px;
  border-radius: 26px;
  background: rgba(14, 31, 56, 0.92);
  color: #eef5ff;
}

.sokoban-strip-head {
  margin-bottom: 14px;
}

.sokoban-strip-head .section-kicker {
  color: #8db7ff;
}

.sokoban-strip-head h2,
.sokoban-strip-meta {
  color: #eef5ff;
}

.sokoban-strip-meta {
  font-size: 0.88rem;
}

.sokoban-level-actions {
  margin-bottom: 12px;
}

.sokoban-level-actions .touch-button {
  flex: 1 1 0;
}

.sokoban-level-actions .touch-button.accent {
  color: #fff8f0;
}

.sokoban-level-rail {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.sokoban-level-button {
  min-height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  color: #dbe7fb;
  font: inherit;
  font-weight: 700;
}

.sokoban-level-button.active {
  background: linear-gradient(135deg, #f7bf63, #f47c38);
  color: #29180d;
  border-color: transparent;
}

.sokoban-level-button.cleared:not(.active) {
  background: rgba(120, 212, 189, 0.2);
  color: #effffb;
}

.sokoban-level-button.locked {
  opacity: 0.4;
}

.sokoban-level-button:disabled {
  cursor: not-allowed;
}

.sokoban-level-no {
  display: block;
  font-size: 0.76rem;
  opacity: 0.82;
}

.sokoban-board-shell {
  position: relative;
  margin-bottom: 14px;
}

.sokoban-board {
  --cols: 7;
  --rows: 7;
  position: relative;
  width: 100%;
  aspect-ratio: var(--cols) / var(--rows);
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(19, 38, 61, 0.96), rgba(11, 23, 38, 0.96));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 22px 50px rgba(22, 37, 59, 0.2);
  touch-action: none;
}

.sokoban-board-grid,
.sokoban-piece-layer {
  position: absolute;
  inset: 0;
}

.sokoban-piece-layer {
  pointer-events: none;
}

.sokoban-board-grid {
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  grid-template-rows: repeat(var(--rows), minmax(0, 1fr));
  gap: 4px;
  padding: 6px;
}

.sokoban-cell {
  position: relative;
  border-radius: 16px;
  background: linear-gradient(180deg, #f6efe4, #ebdfcf);
}

.sokoban-cell.floor::before,
.sokoban-cell.target::before {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.25);
}

.sokoban-cell.wall {
  background:
    linear-gradient(145deg, #3c577b, #213451);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -12px 20px rgba(0, 0, 0, 0.16);
}

.sokoban-cell.wall::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.sokoban-cell.target::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 999px;
  border: 3px solid rgba(70, 170, 130, 0.95);
  background:
    radial-gradient(circle at center, rgba(120, 212, 189, 0.35), rgba(120, 212, 189, 0.08));
  box-shadow: 0 0 0 5px rgba(120, 212, 189, 0.12);
}

.sokoban-piece {
  position: absolute;
  z-index: 2;
  width: calc(100% / var(--cols));
  height: calc(100% / var(--rows));
  padding: 9px;
  transition:
    left 150ms ease,
    top 150ms ease,
    transform 160ms ease,
    filter 160ms ease;
}

.sokoban-piece.instant {
  transition: none;
}

.sokoban-piece::before,
.sokoban-piece::after {
  content: "";
  position: absolute;
}

.sokoban-player::before {
  inset: 14%;
  border-radius: 24px;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.72), transparent 18%),
    linear-gradient(180deg, #ffb45d, #f47c38);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.34),
    0 10px 18px rgba(244, 124, 56, 0.22);
}

.sokoban-player::after {
  left: 27%;
  right: 27%;
  top: 34%;
  height: 14%;
  border-radius: 999px;
  background:
    radial-gradient(circle at 28% 50%, #2b241c 0 18%, transparent 19%),
    radial-gradient(circle at 72% 50%, #2b241c 0 18%, transparent 19%);
}

.sokoban-box::before {
  inset: 14%;
  border-radius: 18px;
  background:
    linear-gradient(135deg, #ffc869, #d58c32);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.3),
    0 10px 16px rgba(118, 77, 28, 0.24);
}

.sokoban-box::after {
  inset: 24%;
  border-radius: 12px;
  border: 2px solid rgba(94, 52, 12, 0.28);
  background:
    linear-gradient(90deg, transparent 44%, rgba(94, 52, 12, 0.25) 44%, rgba(94, 52, 12, 0.25) 56%, transparent 56%),
    linear-gradient(180deg, transparent 44%, rgba(94, 52, 12, 0.25) 44%, rgba(94, 52, 12, 0.25) 56%, transparent 56%);
}

.sokoban-box.on-target {
  filter: drop-shadow(0 0 18px rgba(120, 212, 189, 0.45));
}

.sokoban-box.on-target::before {
  background: linear-gradient(135deg, #95f0d7, #4ebc95);
}

.sokoban-board.step-pulse {
  animation: sokoban-board-step 160ms ease;
}

.sokoban-board.push-pulse {
  animation: sokoban-board-push 180ms ease;
}

@keyframes sokoban-board-step {
  0% { transform: scale(1); }
  50% { transform: scale(1.008); }
  100% { transform: scale(1); }
}

@keyframes sokoban-board-push {
  0% { transform: scale(1); }
  40% { transform: scale(1.012); }
  100% { transform: scale(1); }
}

.sokoban-complete-banner {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 3;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(8, 24, 20, 0.86);
  color: #f3fff9;
  font-weight: 700;
  backdrop-filter: blur(14px);
}

.hidden {
  display: none !important;
}

.sokoban-message {
  margin-bottom: 12px;
  min-height: 3.2em;
}

.sokoban-dpad-card {
  padding: 14px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(58, 42, 27, 0.08);
}

.sokoban-dpad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.sokoban-dir-button {
  min-height: 56px;
  font-size: 1rem;
}

.sokoban-dir-button:active {
  transform: translateY(1px) scale(0.99);
}

.sokoban-insight-grid {
  display: grid;
  gap: 16px;
}

.sokoban-info-card.accent-card {
  background:
    linear-gradient(180deg, rgba(15, 32, 56, 0.94), rgba(23, 49, 77, 0.9)),
    rgba(15, 32, 56, 0.92);
  color: #eef5ff;
}

.sokoban-info-card.accent-card .card-tag,
.sokoban-info-card.accent-card h2,
.sokoban-info-card.accent-card li {
  color: #eef5ff;
}

.sokoban-info-card.accent-card .powerup-list {
  color: rgba(238, 245, 255, 0.82);
}

.stage-toast {
  position: absolute;
  top: 14px;
  left: 50%;
  z-index: 4;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(14, 24, 41, 0.86);
  color: #f6fbff;
  transform: translate(-50%, 0);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.stage-toast.visible {
  opacity: 1;
  transform: translate(-50%, 8px);
}

@media (max-width: 640px) {
  .sokoban-stage-card {
    padding: 14px;
  }

  .sokoban-level-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .sokoban-stage-top,
  .sokoban-strip-head,
  .sokoban-level-actions {
    flex-direction: column;
    align-items: stretch;
  }
}