/* 趣味游戏共享布局：继承主站星空色、玻璃层级与 Semi 语义状态。 */
.fun-games-content .game-page {
  width: min(100%, 1480px);
  max-width: none;
}

.game-list-record {
  overflow: hidden;
  color: rgba(177,190,255,0.68);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 10px;
}

.fun-game-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  display: grid;
  gap: 18px;
}

.fun-game-header {
  display: grid;
  gap: 16px;
}

/* 游戏内容直接从操作区开始，不再重复展示主题标题与说明。 */
.fun-games-content .fun-game-header {
  display: none;
}

.fun-game-title-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.fun-game-title-icon {
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  border: 1px solid rgba(190, 197, 255, 0.22);
  border-radius: 17px;
  background: linear-gradient(145deg, rgba(143, 141, 232, 0.28), rgba(117, 185, 231, 0.12));
  box-shadow: inset 0 1px rgba(255,255,255,0.12), 0 12px 30px rgba(2,4,18,0.24);
  display: grid;
  place-items: center;
  font-size: 28px;
}

.fun-game-title-row h1 {
  color: var(--text);
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.15;
}

.fun-game-title-row p,
.fun-help,
.mine-footer p {
  margin-top: 5px;
  color: var(--muted);
  line-height: 1.6;
}

.fun-toolbar {
  min-width: 0;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.fun-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fun-segments {
  min-width: 0;
  max-width: 100%;
  padding: 4px;
  border: 1px solid rgba(173,184,255,0.16);
  border-radius: 13px;
  background: rgba(14,17,43,0.54);
  display: flex;
  gap: 4px;
}

.fun-segment,
.fun-action,
.sudoku-tool-grid button,
.fun-result button {
  min-height: 40px;
  padding: 0 16px;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  transition: color 220ms ease, border-color 220ms ease, background 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.fun-segment:hover,
.fun-segment.active,
.fun-action:hover,
.sudoku-tool-grid button:hover:not(:disabled),
.sudoku-tool-grid button.active {
  color: var(--text);
  border-color: rgba(173,184,255,0.22);
  background: linear-gradient(135deg, rgba(143,141,232,0.28), rgba(117,185,231,0.1));
}

.fun-action.secondary {
  border-color: var(--border);
  background: rgba(24,27,65,0.5);
}

.fun-segment:focus-visible,
.fun-action:focus-visible,
.sudoku-cell:focus-visible,
.sudoku-keypad button:focus-visible,
.sudoku-tool-grid button:focus-visible,
.mine-cell:focus-visible,
.mine-face:focus-visible,
.memory-sequence-card:focus-visible,
.memory-sequence-overlay button:focus-visible {
  outline: 0;
  box-shadow: var(--focus-ring);
}

.fun-action:disabled,
.sudoku-keypad button:disabled,
.sudoku-tool-grid button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.fun-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.fun-stat-grid > div {
  min-height: 76px;
  padding: 13px 15px;
  border: 1px solid rgba(173,184,255,0.16);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(35,39,84,0.55), rgba(15,18,46,0.44));
  box-shadow: inset 0 1px rgba(255,255,255,0.07);
  display: grid;
  align-content: center;
  gap: 5px;
}

.fun-stat-grid span,
.mine-dashboard span,
.mine-footer span,
.sudoku-status-copy span {
  color: var(--muted);
  font-size: 12px;
}

.fun-stat-grid strong,
.mine-dashboard strong {
  color: var(--text);
  font-size: 18px;
}

.fun-result button,
.memory-sequence-overlay button {
  color: #fff;
  background: linear-gradient(135deg, var(--starlight), #696ed8);
  box-shadow: 0 10px 24px rgba(80,83,190,0.28);
}

.fun-result button:hover,
.memory-sequence-overlay button:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

/* 数独 */
.fun-loading {
  min-height: 360px;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  text-align: center;
}

.fun-loading p { color: var(--muted); }
.fun-loading-orbit {
  width: 42px;
  height: 42px;
  border: 3px solid rgba(173,184,255,0.18);
  border-top-color: var(--starlight-bright);
  border-radius: 50%;
  animation: funSpin 850ms linear infinite;
}

@keyframes funSpin { to { transform: rotate(360deg); } }

.sudoku-layout {
  display: grid;
  grid-template-columns: minmax(300px, 620px) minmax(250px, 340px);
  justify-content: center;
  align-items: start;
  gap: clamp(14px, 3vw, 28px);
}

.sudoku-board-wrap {
  position: relative;
  padding: clamp(8px, 1.4vw, 14px);
  border: 1px solid rgba(173,184,255,0.22);
}

.sudoku-board {
  width: min(100%, 600px);
  aspect-ratio: 1;
  overflow: hidden;
  border: 2px solid rgba(222,225,255,0.58);
  border-radius: 12px;
  background: rgba(10,12,31,0.72);
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  grid-template-rows: repeat(9, minmax(0, 1fr));
}

.sudoku-cell {
  position: relative;
  min-width: 0;
  min-height: 0;
  color: #dfe4ff;
  border-right: 1px solid rgba(173,184,255,0.14);
  border-bottom: 1px solid rgba(173,184,255,0.14);
  background: rgba(30,34,74,0.48);
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: clamp(17px, 3.2vw, 28px);
  font-weight: 650;
  transition: background 140ms ease, color 140ms ease, box-shadow 140ms ease, transform 100ms ease;
}

.sudoku-cell:nth-child(9n) { border-right: 0; }
.sudoku-cell:nth-child(9n + 3),
.sudoku-cell:nth-child(9n + 6) { border-right: 2px solid rgba(222,225,255,0.45); }
.sudoku-cell:nth-child(n + 19):nth-child(-n + 27),
.sudoku-cell:nth-child(n + 46):nth-child(-n + 54) { border-bottom: 2px solid rgba(222,225,255,0.45); }
.sudoku-cell:nth-child(n + 73) { border-bottom: 0; }
.sudoku-cell:hover { background: rgba(84,91,160,0.36); }
.sudoku-cell:active { transform: scale(0.96); }
.sudoku-cell.is-given {
  color: var(--semi-color-text-0, #fff);
  background: rgba(8, 11, 31, 0.82);
  font-weight: 850;
}
.sudoku-cell.is-user-entry {
  color: var(--semi-color-secondary, #35d7ff);
  background: rgba(53, 215, 255, 0.1);
  font-weight: 750;
}
.sudoku-cell.is-user-entry::after {
  content: "";
  position: absolute;
  top: clamp(3px, 0.65vw, 6px);
  right: clamp(3px, 0.65vw, 6px);
  width: clamp(4px, 0.7vw, 6px);
  height: clamp(4px, 0.7vw, 6px);
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px rgba(53, 215, 255, 0.7);
}
.sudoku-cell.is-hint {
  color: var(--semi-color-warning, #ffc857);
  background: rgba(255, 200, 87, 0.09);
  font-weight: 750;
}
.sudoku-cell.is-related { background: rgba(85,94,166,0.2); }
.sudoku-cell.is-same { background: rgba(117,185,231,0.2); }
.sudoku-cell.is-selected {
  z-index: 1;
  background: rgba(143,141,232,0.38);
  box-shadow: inset 0 0 0 2px var(--starlight-bright);
}
.sudoku-cell.is-easy-correct {
  color: var(--semi-color-success, #54d98c);
  background: rgba(84, 217, 140, 0.14);
  box-shadow: inset 0 0 0 1px rgba(84, 217, 140, 0.34);
}
.sudoku-cell.is-easy-wrong {
  color: var(--semi-color-danger, #ff6b7d);
  background: rgba(255, 107, 125, 0.14);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 125, 0.36);
}
.sudoku-cell.is-easy-correct::after,
.sudoku-cell.is-easy-wrong::after { display: none; }
.sudoku-cell.is-wrong {
  color: #fff;
  background: rgba(210,58,82,0.74);
  box-shadow: none;
}
.sudoku-cell.is-wrong::after { display: none; }

@keyframes funErrorShake {
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

.sudoku-notes {
  position: absolute;
  inset: 3px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
}

.sudoku-notes i {
  color: rgba(211,216,255,0.72);
  display: grid;
  place-items: center;
  font-size: clamp(6px, 1.15vw, 10px);
  font-style: normal;
  font-weight: 600;
}

.sudoku-board.is-paused { filter: blur(10px); pointer-events: none; }
.sudoku-pause-mask {
  position: absolute;
  z-index: 3;
  inset: 14px;
  border-radius: 12px;
  background: rgba(12,14,37,0.62);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 6px;
  text-align: center;
}
.sudoku-pause-mask span { font-size: 38px; }
.sudoku-pause-mask p { color: var(--muted); }

.sudoku-controls {
  padding: 18px;
  border: 1px solid var(--border);
  display: grid;
  gap: 15px;
}

.sudoku-status-copy { display: grid; gap: 5px; }
.sudoku-status-copy strong { color: var(--text); font-size: 18px; }
.sudoku-legend {
  padding: 9px 10px;
  border: 1px solid var(--semi-color-border, rgba(173,184,255,0.16));
  border-radius: var(--semi-border-radius-small, 8px);
  background: var(--semi-color-fill-0, rgba(30,34,74,0.4));
  display: flex;
  align-items: center;
  gap: 8px 14px;
  flex-wrap: wrap;
}
.sudoku-legend > span {
  color: var(--semi-color-text-1, var(--muted));
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  white-space: nowrap;
}
.sudoku-legend-swatch {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(173,184,255,0.16);
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-style: normal;
  font-weight: 800;
}
.sudoku-legend-swatch.is-given { color: var(--semi-color-text-0, #fff); background: rgba(8,11,31,0.82); }
.sudoku-legend-swatch.is-entry { color: var(--semi-color-secondary, #35d7ff); background: rgba(53,215,255,0.1); }
.sudoku-legend-swatch.is-entry::after {
  content: "";
  position: absolute;
  top: 2px;
  right: 2px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
}
.sudoku-legend-swatch.is-hint { color: var(--semi-color-warning, #ffc857); background: rgba(255,200,87,0.09); }
.sudoku-legend-swatch.is-correct { color: var(--semi-color-success, #54d98c); background: rgba(84,217,140,0.14); }
.sudoku-legend-swatch.is-wrong { color: var(--semi-color-danger, #ff6b7d); background: rgba(255,107,125,0.14); }
.sudoku-keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.sudoku-keypad button {
  aspect-ratio: 1.35;
  color: var(--text);
  border: 1px solid rgba(173,184,255,0.18);
  border-radius: 11px;
  background: rgba(40,45,94,0.56);
  cursor: pointer;
  font-size: 20px;
  font-weight: 700;
  transition: background 150ms ease, transform 100ms ease, border-color 150ms ease;
}
.sudoku-keypad button:hover:not(:disabled) { border-color: var(--border-bright); background: rgba(70,77,144,0.62); }
.sudoku-keypad button:active:not(:disabled) { transform: scale(0.94); }
.sudoku-tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.sudoku-tool-grid button { min-width: 0; padding: 0 7px; border-color: var(--border); background: rgba(24,27,65,0.46); }
.fun-help { font-size: 12px; }

.fun-result {
  padding: 18px;
  border: 1px solid rgba(137,185,154,0.34);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(84,145,108,0.2), rgba(30,48,79,0.45));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.fun-result > div:first-child { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; }
.fun-result > div:first-child > span { grid-row: span 2; width: 36px; height: 36px; border-radius: 50%; background: rgba(137,185,154,0.22); display: grid; place-items: center; }
.fun-result p { margin-top: 3px; color: var(--muted); }
.fun-result.error { border-color: rgba(212,142,152,0.34); background: linear-gradient(135deg, rgba(150,65,84,0.2), rgba(37,31,64,0.48)); }
.fun-result button.secondary { color: var(--text); border: 1px solid var(--border); background: rgba(24,27,65,0.65); box-shadow: none; }

/* 扫雷 */
.mine-page { max-width: 1180px; margin: 0 auto; }
.mine-dashboard {
  width: min(100%, 480px);
  margin: 0 auto;
  padding: 12px 18px;
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}
.mine-dashboard > div { display: grid; justify-items: center; gap: 4px; }
.mine-face {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(173,184,255,0.24);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(68,75,143,0.7), rgba(29,33,75,0.72));
  box-shadow: inset 0 1px rgba(255,255,255,0.12), 0 8px 18px rgba(2,4,18,0.28);
  cursor: pointer;
  font-size: 25px;
  transition: transform 130ms ease, filter 180ms ease;
}
.mine-face:hover { filter: brightness(1.12); }
.mine-face:active { transform: scale(0.93); }
.mine-board-scroll {
  max-width: 100%;
  padding: 14px;
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--border);
  scrollbar-color: rgba(143,141,232,0.5) rgba(10,12,31,0.28);
}
.mine-board {
  --mine-cell-size: clamp(34px, 2.85vw, 46px);
  width: max-content;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(var(--mine-cols), var(--mine-cell-size));
  grid-template-rows: repeat(var(--mine-rows), var(--mine-cell-size));
  gap: 0;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.mine-cell {
  width: var(--mine-cell-size);
  height: var(--mine-cell-size);
  min-width: 0;
  min-height: 0;
  padding: 0;
  color: var(--text);
  border: 1px solid rgba(187,195,255,0.2);
  border-radius: 0;
  background: linear-gradient(145deg, rgba(70,77,145,0.88), rgba(38,43,91,0.9));
  box-shadow: inset 1px 1px rgba(255,255,255,0.12), inset -1px -1px rgba(4,6,22,0.3);
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  font-size: clamp(14px, 1.65vw, 20px);
  font-weight: 800;
  transition: transform 80ms ease, background 130ms ease, border-color 130ms ease;
}
.mine-cell:hover:not(:disabled) { border-color: rgba(222,225,255,0.5); filter: brightness(1.12); }
.mine-cell:active:not(:disabled) { transform: scale(0.9); }
.mine-cell.is-revealed { border-color: rgba(173,184,255,0.1); background: rgba(17,20,49,0.72); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.025); cursor: default; }
.mine-cell.is-revealed.is-number:not(:disabled) { cursor: pointer; }
.mine-cell.is-exploded { background: rgba(194,69,88,0.62); animation: funErrorShake 220ms ease; }
.mine-cell.is-wrong-flag { color: #ff9da9; background: rgba(155,59,81,0.28); }
.mine-cell.is-questioned { color: #ffd166; background: rgba(255,209,102,0.14); text-shadow: 0 0 8px rgba(255,209,102,0.42); }
.mine-number-1 { color: #79c7ff; }
.mine-number-2 { color: #8fd39e; }
.mine-number-3 { color: #ff9da9; }
.mine-number-4 { color: #b9a8ff; }
.mine-number-5 { color: #e7a48f; }
.mine-number-6 { color: #7edfdc; }
.mine-number-7 { color: #e6e8ff; }
.mine-number-8 { color: #a5abc9; }
.mine-footer { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.mine-footer > div { display: flex; gap: 18px; }
.mine-footer strong { margin-left: 4px; color: var(--text); }

/* 数字位置记忆挑战 */
.memory-sequence-page { max-width: 980px; margin: 0 auto; }
.memory-sequence-stage {
  position: relative;
  min-width: 0;
  max-width: 100%;
  padding: clamp(16px, 3vw, 28px);
  overflow: hidden;
  border: 1px solid var(--border);
  display: grid;
  gap: 12px;
}
.memory-sequence-prompt { min-height: 28px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.memory-sequence-prompt strong { color: var(--text); font-size: 17px; }
.memory-sequence-prompt span { color: var(--starlight-bright); font-variant-numeric: tabular-nums; }
.memory-sequence-duration { min-height: 40px; padding: 4px 5px 4px 11px; border: 1px solid rgba(173,184,255,0.18); border-radius: 11px; background: rgba(17,20,53,0.46); display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 11px; }
.memory-sequence-duration input { width: 58px; height: 32px; padding: 0 7px; border: 1px solid rgba(173,184,255,0.22); border-radius: 8px; outline: 0; color: var(--text); background: rgba(8,11,34,0.58); font: inherit; font-size: 13px; font-variant-numeric: tabular-nums; }
.memory-sequence-duration input:focus { border-color: rgba(157,145,239,0.72); box-shadow: var(--focus-ring); }
.memory-sequence-duration em { color: var(--muted); font-style: normal; }
.memory-sequence-duration .fun-action { min-height: 32px; padding-inline: 10px; }
.memory-sequence-progress { height: 4px; overflow: hidden; border-radius: 999px; background: rgba(173,184,255,0.12); }
.memory-sequence-progress i { display: block; width: calc(var(--memory-progress, 0) * 100%); height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--sky-blue), var(--starlight), var(--nebula-pink)); transition: width 100ms linear; }
.memory-sequence-grid {
  width: min(100%, 650px);
  min-width: 0;
  max-width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(var(--memory-sequence-size), 1fr);
  gap: clamp(5px, 1.2vw, 10px);
}
.memory-sequence-card {
  position: relative;
  min-width: 0;
  padding: 0;
  aspect-ratio: 1;
  border: 0;
  border-radius: clamp(8px, 1.5vw, 14px);
  background: transparent;
  perspective: 900px;
  cursor: pointer;
  touch-action: manipulation;
}
.memory-sequence-card-inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform 300ms cubic-bezier(0.22,1,0.36,1);
}
.memory-sequence-front,
.memory-sequence-back {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(173,184,255,0.2);
  border-radius: inherit;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: grid;
  place-items: center;
  font-style: normal;
  transition: border-color 180ms ease;
}
.memory-sequence-back {
  color: rgba(222,225,255,0.72);
  background:
    radial-gradient(circle at 34% 28%, rgba(255,255,255,0.12), transparent 28%),
    linear-gradient(145deg, rgba(72,78,148,0.94), rgba(31,35,81,0.96));
  box-shadow: inset 0 1px rgba(255,255,255,0.12), 0 9px 20px rgba(2,4,18,0.26);
  font-size: clamp(16px, 3vw, 27px);
}
.memory-sequence-front {
  color: #fff;
  background: linear-gradient(145deg, rgba(143,141,232,0.9), rgba(72,84,173,0.94));
  transform: rotateY(180deg);
  font-size: clamp(15px, 4vw, 30px);
  font-weight: 800;
}
.memory-sequence-card.is-revealed .memory-sequence-card-inner { transform: rotateY(180deg); }
.memory-sequence-card.is-found .memory-sequence-front { background: linear-gradient(145deg, rgba(106,174,133,0.92), rgba(52,101,89,0.96)); }
.memory-sequence-card.is-wrong .memory-sequence-front { background: linear-gradient(145deg, rgba(218,104,123,0.94), rgba(132,55,90,0.96)); animation: funErrorShake 220ms ease; }
.memory-sequence-card:disabled { cursor: default; }
.memory-sequence-card:not(:disabled):hover .memory-sequence-front,
.memory-sequence-card:not(:disabled):hover .memory-sequence-back { border-color: rgba(222,225,255,0.48); }
.memory-sequence-overlay {
  position: absolute;
  inset: 76px 16px 16px;
  border-radius: 14px;
  background: rgba(10,12,31,0.62);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  text-align: center;
}
.memory-sequence-overlay button { min-height: 48px; padding: 0 24px; border: 0; border-radius: 12px; cursor: pointer; font-weight: 700; }
.memory-sequence-overlay p { color: var(--muted); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 920px) {
  .sudoku-layout { grid-template-columns: 1fr; }
  .sudoku-controls { width: min(100%, 620px); margin: 0 auto; }
  .sudoku-keypad { grid-template-columns: repeat(9, 1fr); }
  .sudoku-keypad button { aspect-ratio: 1; }
}

@media (max-width: 680px) {
  .fun-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mine-footer { align-items: flex-start; flex-direction: column; }
  .sudoku-keypad { grid-template-columns: repeat(5, 1fr); }
}

@media (max-width: 560px) {
  .fun-games-content { padding-inline: 8px; }
  .fun-game-shell { gap: 13px; }
  .fun-game-title-icon { width: 48px; height: 48px; border-radius: 14px; font-size: 24px; }
  .fun-game-title-row h1 { font-size: 25px; }
  .fun-game-title-row p { font-size: 13px; }
  .fun-toolbar { align-items: stretch; flex-direction: column; }
  .fun-toolbar-actions { width: 100%; flex-direction: column; }
  .fun-segments { width: 100%; overflow-x: auto; }
  .fun-segment { flex: 1 0 auto; }
  .fun-action { width: 100%; }
  .fun-stat-grid > div { min-height: 66px; padding: 10px 12px; }
  .fun-stat-grid strong { font-size: 15px; }
  .sudoku-board-wrap { padding: 6px; border-radius: 14px; }
  .sudoku-board { border-radius: 8px; }
  .sudoku-cell { font-size: clamp(15px, 6vw, 23px); }
  .sudoku-notes { inset: 1px; }
  .sudoku-notes i { font-size: clamp(5px, 2.1vw, 8px); }
  .sudoku-controls { padding: 13px; }
  .sudoku-keypad { grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .sudoku-keypad button { aspect-ratio: 1.15; font-size: 18px; }
  .sudoku-tool-grid { grid-template-columns: 1fr; }
  .sudoku-tool-grid button { min-height: 44px; }
  .fun-result { align-items: stretch; flex-direction: column; }
  .fun-result button { width: 100%; }
  .mine-board-scroll { padding: 9px; }
  .mine-board { --mine-cell-size: 36px; margin: 0; }
  .mine-dashboard { padding: 10px 12px; gap: 8px; }
  .mine-face { width: 46px; height: 46px; }
  .mine-footer > div { width: 100%; justify-content: space-between; }
  .memory-sequence-stage { padding: 12px; }
  .memory-sequence-duration { width: 100%; }
  .memory-sequence-duration .fun-action { width: auto; margin-left: auto; }
  .memory-sequence-grid { gap: 5px; }
  .memory-sequence-card { border-radius: 8px; }
  .memory-sequence-overlay { inset: 68px 12px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .sudoku-cell,
  .mine-cell {
    transition-duration: 0.01ms !important;
  }

  .fun-loading-orbit { animation-duration: 1.6s; }
  .memory-sequence-card-inner { transition-duration: 180ms; }
}