:root {
  color-scheme: light;
  --ink: #33231b;
  --ink-soft: #76594a;
  --paper: #f5ead3;
  --paper-deep: #e5cfaa;
  --wood-dark: #4a2c20;
  --wood: #71452d;
  --wood-light: #a46c42;
  --gold: #b88436;
  --gold-light: #e2bd6b;
  --cinnabar: #a3402e;
  --shadow: rgba(57, 32, 19, 0.22);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
}

* {
  box-sizing: border-box;
}

html {
  width: 100%;
  min-height: 100%;
  background: #1f1511;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 12%, rgba(226, 189, 107, 0.18), transparent 24rem),
    radial-gradient(circle at 85% 88%, rgba(163, 64, 46, 0.16), transparent 25rem),
    repeating-linear-gradient(92deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 7px),
    linear-gradient(145deg, #2c1c16 0%, #4a2e20 46%, #241712 100%);
}

body::before,
body::after {
  position: fixed;
  z-index: 0;
  width: min(34vw, 31rem);
  aspect-ratio: 1;
  border: 1px solid rgba(226, 189, 107, 0.12);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

body::before {
  top: -18vw;
  left: -11vw;
  box-shadow: inset 0 0 0 2rem rgba(226, 189, 107, 0.025);
}

body::after {
  right: -13vw;
  bottom: -17vw;
  box-shadow: inset 0 0 0 3rem rgba(163, 64, 46, 0.025);
}

button,
select {
  font: inherit;
}

button,
.tower,
.disk,
select {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
select:focus-visible,
.tower:focus-visible,
.game-board:focus-visible {
  outline: 3px solid var(--gold-light);
  outline-offset: 3px;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: max(34px, env(safe-area-inset-top)) env(safe-area-inset-right) max(24px, env(safe-area-inset-bottom)) env(safe-area-inset-left);
}

.game-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  color: rgba(247, 231, 195, 0.7);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
}

.game-nav div {
  display: flex;
  gap: 5px;
}

.game-nav .game-nav__back {
  justify-content: flex-start;
}

.game-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 7px 9px;
  color: inherit;
  text-decoration: none;
}

.game-nav a:hover,
.game-nav a[aria-current="page"] {
  color: var(--gold-light);
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
  color: #f7e7c3;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.45rem, 6vw, 4rem);
  font-weight: 600;
  letter-spacing: 0.28em;
  line-height: 1.05;
  text-indent: 0.28em;
  text-shadow: 0 3px 14px rgba(0, 0, 0, 0.28);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold-light);
  font-size: 0.72rem;
  letter-spacing: 0.35em;
}

.subtitle {
  margin: 10px 0 0;
  color: rgba(247, 231, 195, 0.7);
  font-size: 0.88rem;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
}

.seal {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 2px solid #d56b50;
  color: #f0b39f;
  font-size: 1.35rem;
  transform: rotate(-5deg);
}

.seal--outline {
  color: var(--gold-light);
  border-color: rgba(226, 189, 107, 0.62);
  transform: rotate(4deg);
}

.game-card,
.rules-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(226, 189, 107, 0.58);
  border-radius: 5px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0)),
    repeating-linear-gradient(3deg, rgba(111, 68, 38, 0.028) 0 1px, transparent 1px 9px),
    var(--paper);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.28), inset 0 0 42px rgba(127, 76, 36, 0.08);
}

.game-card::before,
.game-card::after {
  position: absolute;
  width: 58px;
  height: 58px;
  border-color: rgba(163, 64, 46, 0.3);
  content: "";
  pointer-events: none;
}

.game-card::before {
  top: 9px;
  left: 9px;
  border-top: 1px solid;
  border-left: 1px solid;
}

.game-card::after {
  right: 9px;
  bottom: 9px;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.control-bar {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) auto minmax(150px, 1fr);
  align-items: center;
  gap: 24px;
  padding: 22px 28px;
  border-bottom: 1px solid rgba(113, 69, 45, 0.22);
  background: rgba(113, 69, 45, 0.055);
}

.setup-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.difficulty-field {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
}

.select-wrap {
  position: relative;
  display: inline-block;
}

.select-wrap::after {
  position: absolute;
  top: 50%;
  right: 12px;
  color: var(--cinnabar);
  content: "◆";
  font-size: 0.55rem;
  pointer-events: none;
  transform: translateY(-50%) rotate(45deg);
}

select {
  min-height: 44px;
  min-width: 136px;
  padding: 9px 34px 9px 13px;
  border: 1px solid rgba(113, 69, 45, 0.35);
  border-radius: 2px;
  color: var(--ink);
  background: rgba(255, 252, 242, 0.68);
  appearance: none;
  cursor: pointer;
}

.stats {
  display: flex;
  gap: 0;
}

.stat {
  min-width: 96px;
  padding: 1px 24px;
  text-align: center;
}

.stat + .stat {
  border-left: 1px solid rgba(113, 69, 45, 0.24);
}

.stat__label,
.stat__value {
  display: block;
}

.stat__label {
  margin-bottom: 2px;
  color: var(--ink-soft);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

.stat__value {
  color: var(--cinnabar);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  font-variant-numeric: tabular-nums;
}

.button {
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 2px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(1px);
}

.button--primary {
  justify-self: end;
  color: #fff4db;
  border-color: #7e3124;
  background: linear-gradient(135deg, #b34a36, #8e3023);
  box-shadow: 0 5px 12px rgba(126, 49, 36, 0.22), inset 0 1px rgba(255, 255, 255, 0.25);
}

.button--ghost {
  color: var(--ink);
  border-color: rgba(113, 69, 45, 0.3);
  background: transparent;
}

.control-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.sound-toggle {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(113, 69, 45, 0.34);
  border-radius: 50%;
  color: var(--cinnabar);
  background: rgba(255, 252, 242, 0.62);
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.sound-toggle:hover {
  transform: translateY(-1px);
}

.sound-toggle[aria-pressed="false"] {
  color: var(--ink-soft);
  background: rgba(113, 69, 45, 0.08);
  text-decoration: line-through;
}

.prop-panel {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 20px;
  border-bottom: 1px solid rgba(113, 69, 45, 0.2);
  background: rgba(184, 132, 54, 0.08);
}

.prop-panel[hidden] {
  display: none;
}

.prop-panel__title {
  margin-right: 4px;
  color: var(--ink-soft);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
}

.prop-button {
  display: grid;
  grid-template-columns: 30px auto 24px;
  align-items: center;
  gap: 8px;
  min-width: 142px;
  padding: 7px 8px;
  border: 1px solid rgba(113, 69, 45, 0.25);
  border-radius: 3px;
  color: var(--ink);
  background: rgba(255, 252, 242, 0.55);
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.prop-button:hover:not(:disabled) {
  border-color: var(--gold);
  background: rgba(255, 252, 242, 0.9);
  transform: translateY(-1px);
}

.prop-button:disabled {
  opacity: 0.46;
  cursor: not-allowed;
}

.prop-button.is-active {
  border-color: #66875c;
  background: rgba(102, 135, 92, 0.14);
}

.prop-button__icon {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(163, 64, 46, 0.38);
  color: var(--cinnabar);
  font-size: 0.9rem;
}

.prop-button strong,
.prop-button small {
  display: block;
}

.prop-button strong {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.prop-button small {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 0.62rem;
}

.prop-button b {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  color: #fff2d7;
  background: var(--wood);
  font-family: Georgia, serif;
  font-size: 0.72rem;
}

.status-message {
  min-height: 45px;
  padding: 16px 18px 4px;
  color: var(--ink-soft);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-align: center;
}

.status-message::before,
.status-message::after {
  margin: 0 9px;
  color: var(--gold);
  content: "—";
}

.game-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  min-height: 350px;
  padding: 8px 28px 4px;
  outline: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}

.tower-wrap {
  min-width: 0;
  text-align: center;
}

.tower {
  position: relative;
  height: 300px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 160ms ease, box-shadow 160ms ease;
}

.tower:hover,
.tower.is-selected {
  background: linear-gradient(to top, rgba(184, 132, 54, 0.09), transparent 70%);
}

.tower.is-keyboard-active {
  background: linear-gradient(to top, rgba(184, 132, 54, 0.1), transparent 72%);
  box-shadow: inset 0 0 0 2px rgba(184, 132, 54, 0.44);
}

.tower.is-keyboard-active::after {
  position: absolute;
  z-index: 8;
  top: 7px;
  left: 50%;
  padding: 3px 8px;
  border: 1px solid rgba(184, 132, 54, 0.46);
  border-radius: 12px;
  color: #8c612c;
  background: rgba(255, 249, 232, 0.86);
  content: "当前";
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  transform: translateX(-50%);
}

.tower.is-hint-source,
.tower.is-hint-target {
  animation: hint-pulse 900ms ease-in-out infinite alternate;
}

.tower.is-hint-source {
  box-shadow: inset 0 0 0 3px rgba(197, 161, 59, 0.58);
}

.tower.is-hint-target {
  box-shadow: inset 0 0 0 3px rgba(102, 135, 92, 0.62);
}

.tower.is-selected {
  box-shadow: inset 0 0 0 1px rgba(184, 132, 54, 0.34);
}

.tower.is-valid-target {
  background: linear-gradient(to top, rgba(77, 128, 81, 0.13), transparent 70%);
  box-shadow: inset 0 0 0 2px rgba(77, 128, 81, 0.32);
}

.tower.is-invalid {
  animation: shake 320ms ease;
  background: linear-gradient(to top, rgba(163, 64, 46, 0.13), transparent 70%);
}

.tower__pole {
  position: absolute;
  z-index: 1;
  bottom: 24px;
  left: 50%;
  width: 14px;
  height: 250px;
  border: 1px solid #3f251b;
  border-radius: 8px 8px 2px 2px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.23), transparent 22%, rgba(0, 0, 0, 0.14) 80%),
    linear-gradient(90deg, var(--wood-light), var(--wood));
  box-shadow: 3px 5px 8px rgba(55, 31, 20, 0.16);
  transform: translateX(-50%);
}

.tower__cap {
  position: absolute;
  z-index: 2;
  bottom: 270px;
  left: 50%;
  width: 20px;
  height: 12px;
  border: 1px solid #56311f;
  border-radius: 50%;
  background: var(--gold-light);
  box-shadow: inset 0 -3px rgba(79, 46, 28, 0.2);
  transform: translateX(-50%);
}

.tower__base {
  position: absolute;
  z-index: 4;
  right: 2%;
  bottom: 8px;
  left: 2%;
  height: 27px;
  border: 1px solid #3d2318;
  border-radius: 3px 3px 10px 10px;
  background:
    repeating-linear-gradient(2deg, transparent 0 7px, rgba(255, 255, 255, 0.05) 7px 8px),
    linear-gradient(#915d39, #543120);
  box-shadow: 0 8px 12px rgba(59, 33, 20, 0.22), inset 0 2px rgba(255, 255, 255, 0.16);
}

.disk-stack {
  position: absolute;
  z-index: 3;
  right: 4%;
  bottom: 31px;
  left: 4%;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  pointer-events: none;
}

.disk {
  position: relative;
  flex: 0 0 29px;
  width: var(--disk-width);
  max-width: 100%;
  min-width: 42px;
  margin-top: 1px;
  border: 1px solid rgba(63, 35, 25, 0.64);
  border-radius: 7px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.2), transparent 18%, rgba(0, 0, 0, 0.12) 82%),
    var(--disk-color);
  box-shadow:
    0 4px 5px rgba(52, 30, 19, 0.18),
    inset 0 2px rgba(255, 255, 255, 0.28),
    inset 0 -3px rgba(48, 27, 18, 0.14);
  color: rgba(255, 249, 230, 0.8);
  font-family: Georgia, serif;
  font-size: 0.7rem;
  line-height: 27px;
  text-shadow: 0 1px rgba(0, 0, 0, 0.22);
  pointer-events: auto;
  user-select: none;
  touch-action: none;
  -webkit-user-drag: none;
  transition: filter 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.disk::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 8px;
  border-radius: 50%;
  background: rgba(49, 28, 19, 0.45);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.35);
  content: "";
  transform: translate(-50%, -50%);
}

.disk.is-top {
  cursor: grab;
}

.disk.is-top::after {
  position: absolute;
  inset: -8px -4px;
  content: "";
}

.disk.is-top:hover,
.tower.is-selected .disk.is-top {
  filter: brightness(1.08) saturate(1.08);
  box-shadow:
    0 7px 10px rgba(52, 30, 19, 0.25),
    0 0 0 2px rgba(226, 189, 107, 0.48),
    inset 0 2px rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

.disk.is-drag-source {
  opacity: 0.35;
}

.drag-ghost {
  position: fixed;
  z-index: 9999;
  margin: 0;
  opacity: 0.9;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(1.03);
}

.tower-name {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
}

.tower-name span {
  display: inline-grid;
  width: 26px;
  height: 26px;
  margin-right: 6px;
  place-items: center;
  border: 1px solid rgba(163, 64, 46, 0.45);
  color: var(--cinnabar);
  font-size: 0.95rem;
  letter-spacing: 0;
  transform: rotate(-3deg);
}

.keyboard-hint {
  margin: 6px 24px 24px;
  color: rgba(118, 89, 74, 0.83);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-align: center;
}

.keyboard-hint span {
  margin-right: 6px;
  color: var(--gold);
}

.rules-card {
  margin-top: 18px;
  padding: 18px 28px 20px;
  background: rgba(245, 234, 211, 0.94);
}

.rules-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.rules-heading h2 {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.24em;
}

.rules-heading__ornament {
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.rules-heading__ornament:last-child {
  transform: rotate(180deg);
}

.rules-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 17px 0 0;
  padding: 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  list-style: none;
  text-align: center;
}

.rules-list li {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.rules-list span {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: #fff0d0;
  background: var(--wood);
  font-size: 0.7rem;
}

footer {
  padding: 20px 0 0;
  color: rgba(247, 231, 195, 0.46);
  font-size: 0.72rem;
  letter-spacing: 0.5em;
  text-align: center;
}

.toast {
  position: fixed;
  z-index: 10000;
  bottom: 28px;
  left: 50%;
  max-width: calc(100% - 32px);
  padding: 10px 18px;
  border: 1px solid rgba(226, 189, 107, 0.5);
  border-radius: 2px;
  color: #f9e9c8;
  background: rgba(55, 33, 25, 0.94);
  box-shadow: 0 9px 25px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.victory-dialog {
  width: min(440px, calc(100% - 32px));
  padding: 0;
  border: 1px solid var(--gold);
  border-radius: 4px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.victory-dialog::backdrop {
  background: rgba(32, 20, 15, 0.72);
  backdrop-filter: blur(3px);
}

.victory-dialog__content {
  padding: 34px 34px 30px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0, rgba(226, 189, 107, 0.22), transparent 15rem),
    repeating-linear-gradient(2deg, rgba(111, 68, 38, 0.025) 0 1px, transparent 1px 8px);
}

.victory-mark {
  display: grid;
  width: 54px;
  height: 54px;
  margin: 0 auto 14px;
  place-items: center;
  border: 2px solid var(--cinnabar);
  color: var(--cinnabar);
  font-size: 1.7rem;
  transform: rotate(-4deg);
}

.victory-dialog h2 {
  margin: 4px 0 8px;
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
}

.victory-dialog .eyebrow {
  color: var(--gold);
}

.victory-copy {
  margin: 0;
  color: var(--ink-soft);
}

.victory-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 24px 0 14px;
}

.victory-stats div + div {
  border-left: 1px solid rgba(113, 69, 45, 0.22);
}

.victory-stats strong,
.victory-stats span {
  display: block;
}

.victory-stats strong {
  color: var(--cinnabar);
  font-family: Georgia, serif;
  font-size: 1.8rem;
}

.victory-stats span {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
}

.optimal-result {
  min-height: 23px;
  margin: 0 0 22px;
  color: #8f6529;
  font-size: 0.83rem;
}

.victory-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.victory-actions .button--primary {
  justify-self: auto;
}

.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;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@keyframes hint-pulse {
  from { background-color: rgba(226, 189, 107, 0.03); }
  to { background-color: rgba(226, 189, 107, 0.16); }
}

@media (max-width: 860px) {
  .control-bar {
    grid-template-columns: 1fr auto;
  }

  .stats {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: center;
    order: 3;
  }

  .button--primary {
    grid-column: 2;
  }

  .control-actions .button--primary {
    grid-column: auto;
  }

  .stat {
    min-width: 112px;
  }
}

@media (max-width: 620px) {
  .page-shell {
    width: min(100% - 18px, 1180px);
    padding-top: max(20px, env(safe-area-inset-top));
  }

  .game-nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 16px;
  }

  .game-nav div {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .game-nav a {
    padding: 8px 9px;
  }

  .hero {
    gap: 12px;
    margin-bottom: 16px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .seal {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  .subtitle {
    letter-spacing: 0.25em;
    text-indent: 0.25em;
  }

  .control-bar {
    gap: 15px;
    padding: 18px 16px;
  }

  .difficulty-field {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .setup-controls {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .difficulty-field {
    width: 100%;
  }

  .difficulty-field .select-wrap,
  .difficulty-field select {
    width: 100%;
  }

  .control-actions {
    align-self: stretch;
    flex-direction: column-reverse;
  }

  .control-actions .button--primary {
    width: 100%;
  }

  select {
    min-width: 145px;
  }

  .button {
    padding: 9px 12px;
    letter-spacing: 0.05em;
  }

  .stats {
    width: 100%;
  }

  .stat {
    min-width: 0;
    flex: 1;
    padding: 1px 8px;
  }

  .game-board {
    gap: 4px;
    min-height: 298px;
    padding: 2px 8px 4px;
  }

  .prop-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    padding: 10px 9px;
  }

  .prop-panel__title {
    grid-column: 1 / -1;
    margin: 0;
    text-align: center;
  }

  .prop-button {
    grid-template-columns: 1fr 20px;
    min-width: 0;
    padding: 7px 5px;
  }

  .prop-button__icon {
    display: none;
  }

  .prop-button small {
    display: none;
  }

  .prop-button b {
    width: 20px;
    height: 20px;
  }

  .tower {
    height: 250px;
  }

  .tower__pole {
    bottom: 22px;
    height: 210px;
    width: 11px;
  }

  .tower__cap {
    bottom: 224px;
    width: 17px;
  }

  .tower__base {
    right: 0;
    bottom: 6px;
    left: 0;
    height: 23px;
  }

  .disk-stack {
    right: 2%;
    bottom: 27px;
    left: 2%;
  }

  .disk {
    flex-basis: 24px;
    height: 24px;
    min-width: 30px;
    border-radius: 5px;
    line-height: 22px;
  }

  .disk::before {
    width: 11px;
    height: 6px;
  }

  .tower-name {
    font-size: 0.7rem;
    letter-spacing: 0.04em;
  }

  .tower-name span {
    width: 23px;
    height: 23px;
    margin-right: 3px;
  }

  .keyboard-hint {
    margin: 2px 16px 19px;
    line-height: 1.65;
  }

  .rules-card {
    padding: 16px;
  }

  .rules-list {
    grid-template-columns: 1fr;
    gap: 10px;
    text-align: left;
  }

  .rules-list li {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}