:root {
  --app-bg: #0f1218;
  --app-text: #f5f7fa;
  --app-hint: #9aa4b2;
  --app-button: #2fb7a5;
  --app-button-text: #ffffff;
  --app-surface: #1a1d24;
  --app-panel: #1a1d24;
  --app-panel-strong: #20242d;
  --app-border: rgba(218, 226, 236, 0.13);
  --app-border-strong: rgba(218, 226, 236, 0.22);
  --font-display: 28px;
  --font-value: 24px;
  --font-body: 14px;
  --font-label: 10px;
  --tg-safe-area-top: 0px;
  --tg-safe-area-right: 0px;
  --tg-safe-area-bottom: 0px;
  --tg-safe-area-left: 0px;
  --tg-viewport-stable-height: 100vh;
  --success: #42c77b;
  --danger: #ef6461;
  --warning: #e4b84c;
  --ink-soft: #cbd3dd;
  --node-size: minmax(0, 1fr);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  touch-action: manipulation;
}

body {
  margin: 0;
  min-height: 100vh;
  touch-action: manipulation;
  background:
    radial-gradient(circle at 50% -8%, rgba(47, 183, 165, 0.12), transparent 34%),
    radial-gradient(circle at 50% 108%, rgba(228, 184, 76, 0.055), transparent 28%),
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    var(--app-bg);
  background-size: 28px 28px;
  color: var(--app-text);
}

button {
  font: inherit;
}

.app-shell {
  width: min(100%, 480px);
  min-height: var(--tg-viewport-stable-height, 100vh);
  margin: 0 auto;
  padding:
    max(18px, env(safe-area-inset-top), var(--tg-safe-area-top))
    max(16px, env(safe-area-inset-right), var(--tg-safe-area-right))
    max(18px, env(safe-area-inset-bottom), var(--tg-safe-area-bottom))
    max(16px, env(safe-area-inset-left), var(--tg-safe-area-left));
}

.view {
  display: none;
  position: relative;
  min-height: calc(100vh - 32px);
}

.view.is-active {
  display: flex;
  flex-direction: column;
}

.topbar,
.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  flex: 0 0 auto;
  padding: 5px;
  border: 1px solid var(--app-border-strong);
  border-radius: 8px;
  background: linear-gradient(145deg, #202630, #151820);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 10px 26px rgba(0, 0, 0, 0.2);
}

.brand-mark span {
  border-radius: 5px;
  background: #2fb7a5;
}

.brand-mark span:nth-child(2),
.brand-mark span:nth-child(3) {
  background: #e4b84c;
}

.topbar h1,
.result-header h2 {
  margin: 4px 0 0;
  font-size: 27px;
  line-height: 1.1;
  letter-spacing: 0;
}

.eyebrow,
.panel-label,
.metric-label,
.stat-label {
  display: block;
  margin: 0;
  color: var(--app-hint);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.icon-button {
  min-width: 54px;
  height: 44px;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 800;
}

.challenge-panel,
.friend-panel,
.level-list,
.result-grid,
.leaderboard-preview,
.share-callout {
  margin-top: 20px;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: rgba(32, 36, 45, 0.92);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.challenge-panel {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border-color: rgba(47, 183, 165, 0.26);
  background:
    linear-gradient(135deg, rgba(47, 183, 165, 0.14), transparent 44%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent),
    var(--app-panel);
}

.friend-panel {
  padding: 16px;
  background: rgba(228, 184, 76, 0.08);
  border-color: rgba(228, 184, 76, 0.2);
}

.shared-panel {
  margin-top: 22px;
}

.shared-header .result-medal {
  width: 58px;
}

.shared-context {
  margin-bottom: 8px;
  color: #e4b84c;
  font-weight: 800;
}

.challenge-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.puzzle-sigil {
  width: 96px;
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  flex: 0 0 auto;
  padding: 6px;
  opacity: 0.92;
}

.puzzle-sigil span {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.05);
}

.puzzle-sigil span:nth-child(1),
.puzzle-sigil span:nth-child(5),
.puzzle-sigil span:nth-child(9) {
  background: rgba(47, 183, 165, 0.75);
}

.puzzle-sigil span:nth-child(2),
.puzzle-sigil span:nth-child(6) {
  background: rgba(228, 184, 76, 0.72);
}

.home-new {
  justify-content: center;
}

.home-new .topbar {
  justify-content: center;
  padding-top: 20px;
  text-align: center;
}

.home-new .brand-lockup {
  display: block;
}

.home-new .brand-mark {
  display: none;
}

.home-new .topbar h1 {
  max-width: 310px;
  margin-top: 8px;
  font-size: 26px;
  line-height: 1.12;
}

.home-new .challenge-panel {
  margin-top: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.home-new .challenge-head {
  width: 290px;
  max-width: 100%;
  margin: 0 auto;
  display: grid;
  justify-items: center;
  gap: 20px;
  text-align: center;
}

.home-new .panel-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 15px;
  border: 1px solid rgba(228, 184, 76, 0.32);
  border-radius: 999px;
  background: rgba(228, 184, 76, 0.08);
  color: #ffffff;
  font-size: 13px;
}

.home-new .target-number {
  display: none;
}

.home-preview-board {
  position: relative;
  width: min(290px, calc(100vw - 72px));
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  margin: 0 auto;
  padding: 0;
  gap: 10px;
}

.home-preview-board::before {
  content: "";
  position: absolute;
  left: 15%;
  right: 15%;
  top: 16.66%;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(47, 183, 165, 0.12), #2fb7a5, rgba(47, 183, 165, 0.12));
  box-shadow: 0 0 16px rgba(47, 183, 165, 0.32);
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 0;
}

.home-preview-cell {
  position: relative;
  z-index: 1;
  width: 100%;
  min-width: 0;
  min-height: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(218, 226, 236, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: #ffffff;
  font-size: clamp(22px, 8vw, 34px);
  font-weight: 900;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.home-preview-cell.is-path {
  border-color: rgba(47, 183, 165, 0.74);
  background: rgba(47, 183, 165, 0.18);
  box-shadow: 0 0 0 1px rgba(47, 183, 165, 0.14);
}

.home-new .panel-copy {
  display: none;
}

.home-new .challenge-panel > .panel-copy {
  text-align: center;
  color: var(--ink-soft);
}

.home-new .rule-list {
  width: min(100%, 310px);
  margin: 30px auto 0;
  gap: 7px;
}

.home-new .rule-list li {
  padding-left: 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 16px;
}

.home-new .rule-list li:first-child,
.home-active .rule-list li:first-child {
  color: #e4b84c;
  font-size: 18px;
  font-weight: 900;
}

.home-new .rule-list li:nth-child(2),
.home-active .rule-list li:nth-child(2) {
  color: #ffffff;
  font-weight: 850;
}

.home-new .rule-list li:last-child {
  margin-top: 8px;
  color: var(--app-hint);
  font-size: 14px;
  font-weight: 700;
}

.home-new .rule-list li::before,
.home-new .friend-panel,
.home-new .level-list,
.home-active .friend-panel,
.home-active .stats-row,
.home-active .level-list {
  display: none;
}

.home-new #startButton,
.home-active #startButton {
  box-shadow: none;
}

.home-new #startButton {
  margin-top: 34px;
}

.home-active #startButton {
  margin-top: 34px;
}

.home-active {
  justify-content: center;
}

.home-active .topbar {
  justify-content: center;
  padding-top: 20px;
  text-align: center;
}

.home-active .brand-lockup {
  display: block;
}

.home-active .brand-mark {
  display: none;
}

.home-active .topbar h1 {
  max-width: 310px;
  margin-top: 8px;
  font-size: 25px;
  line-height: 1.12;
}

.home-active .challenge-panel {
  margin-top: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  text-align: center;
}

.home-active .challenge-head {
  width: 290px;
  max-width: 100%;
  margin: 0 auto;
  display: grid;
  justify-items: center;
  gap: 20px;
  text-align: center;
}

.home-active .panel-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 15px;
  border: 1px solid rgba(228, 184, 76, 0.32);
  border-radius: 999px;
  background: rgba(228, 184, 76, 0.08);
  color: #ffffff;
  font-size: 13px;
}

.home-active .target-number {
  display: none;
}

.home-active .panel-copy {
  display: none;
}

.home-active .rule-list {
  width: min(100%, 330px);
  margin: 30px auto 0;
  display: grid;
  gap: 7px;
}

.home-active .rule-list li {
  padding-left: 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 16px;
}

.home-active .rule-list li:last-child {
  margin-top: 8px;
  color: var(--app-hint);
  font-size: 14px;
  font-weight: 700;
}

.home-active .rule-list li::before {
  display: none;
}

.rule-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.rule-list li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.35;
}

.rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: #2fb7a5;
}

.level-list {
  max-height: none;
  overflow: visible;
  opacity: 1;
}

.level-list[hidden],
.stats-row[hidden],
.rule-list[hidden],
.puzzle-sigil[hidden],
.home-preview-board[hidden] {
  display: none;
}

.level-row {
  width: 100%;
  min-height: 42px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 0 2px;
  border: 0;
  border-top: 1px solid rgba(218, 226, 236, 0.08);
  background: transparent;
  color: var(--app-text);
  text-align: left;
  cursor: pointer;
}

.level-row:first-child {
  border-top: 0;
}

.level-row:disabled {
  cursor: not-allowed;
  opacity: 1;
}

.level-row.is-current {
  background: transparent;
}

.level-title,
.level-status {
  display: block;
}

.level-title {
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 800;
}

.level-status {
  color: var(--app-hint);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.level-status {
  text-align: right;
  min-width: 64px;
}

.level-row.is-current .level-title,
.level-row.is-current .level-status {
  color: #2fb7a5;
}

.level-row.is-done .level-status {
  color: #e4b84c;
}

.level-row.is-locked {
  opacity: 0.48;
}

.target-number {
  margin-top: 8px;
  font-size: 62px;
  line-height: 1;
  font-weight: 800;
  color: #ffffff;
}

.panel-copy,
.friend-copy,
.game-message,
#resultSummary {
  margin: 10px 0 0;
  color: var(--app-hint);
  font-size: 15px;
  line-height: 1.45;
}

.achievement-line {
  margin: 12px 0 0;
  color: #ffffff;
  font-size: 16px;
  font-weight: 850;
}

.stats-row,
.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.stats-row {
  margin-top: 22px;
}

.stats-row > div,
.result-grid > div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.12);
}

.stat-value,
.game-metric {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
}

.primary-button,
.secondary-button,
.text-button {
  border: 0;
  border-radius: 8px;
  min-height: 48px;
  padding: 0 16px;
  cursor: pointer;
}

.primary-button {
  width: 100%;
  margin-top: auto;
  background: linear-gradient(180deg, #38c4b1, #258f83);
  color: var(--app-button-text);
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(47, 183, 165, 0.18);
}

.primary-button.compact {
  margin-top: 0;
}

.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.secondary-button {
  background: rgba(255, 255, 255, 0.038);
  color: var(--app-text);
  border: 1px solid var(--app-border);
  font-weight: 700;
}

.hint-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.hint-button-label {
  pointer-events: none;
}

.hint-badge {
  position: absolute;
  top: 6px;
  right: 7px;
  min-width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: rgba(53, 196, 181, 0.16);
  color: #d4fffb;
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

.hint-button.is-empty {
  color: rgba(247, 248, 251, 0.42);
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
}

.hint-button.is-empty .hint-badge {
  color: rgba(247, 248, 251, 0.52);
  background: rgba(255, 255, 255, 0.08);
}

.secondary-button.full {
  width: 100%;
  margin-top: 10px;
}

#homeSecondaryButton {
  margin-top: 10px;
}

.home-active #homeSecondaryButton {
  display: block;
  width: auto;
  min-height: 34px;
  margin: 10px auto 0;
  padding: 0 10px;
  color: var(--app-hint);
  font-size: 13px;
}

#startButton {
  margin-top: 20px;
}

.text-button {
  width: 100%;
  margin-top: 6px;
  background: transparent;
  color: var(--app-hint);
  font-weight: 700;
}

.text-button.inline {
  width: auto;
  min-height: 34px;
  margin: 0;
  padding: 0;
}

.my-run-header {
  display: grid;
  gap: 14px;
  padding-top: 10px;
}

.my-run-header h2 {
  margin: 4px 0 0;
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: 0;
}

.my-run-summary,
.my-run-section,
.my-run-empty {
  margin-top: 18px;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: rgba(32, 36, 45, 0.92);
}

.my-run-summary[hidden],
.my-run-section[hidden],
.my-run-empty[hidden] {
  display: none;
}

.my-run-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 12px;
}

.my-run-summary > div {
  min-width: 0;
  padding: 10px;
  border: 1px solid rgba(218, 226, 236, 0.1);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.12);
}

.my-run-summary .stat-value {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.my-run-section,
.my-run-empty {
  padding: 14px;
}

.my-run-empty p:last-child {
  margin: 6px 0 0;
  color: var(--ink-soft);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.my-run-zone-path,
.my-run-recent {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.my-run-zone-row,
.my-run-level-row {
  display: grid;
  gap: 8px;
  align-items: center;
  padding: 11px 0;
  border-top: 1px solid rgba(218, 226, 236, 0.08);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 750;
}

.my-run-zone-row:first-child,
.my-run-level-row:first-child {
  border-top: 0;
}

.my-run-zone-row {
  grid-template-columns: 1fr auto;
}

.my-run-level-row {
  grid-template-columns: 74px 76px 58px minmax(0, 1fr);
}

.my-run-status {
  min-width: 64px;
  color: var(--app-hint);
  font-size: 12px;
  font-weight: 900;
  text-align: right;
  text-transform: uppercase;
}

.my-run-zone-row.is-active .my-run-status {
  color: #2fb7a5;
}

.my-run-zone-row.is-done .my-run-status {
  color: #e4b84c;
}

.my-run-zone-row.is-locked {
  opacity: 0.55;
}

.my-run-level-row span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.my-run-level-row .formula {
  color: #ffffff;
  font-weight: 850;
}

.my-run-empty-copy {
  margin: 0;
  color: var(--app-hint);
  font-size: 14px;
}

.my-run-management .danger {
  border-color: rgba(239, 100, 97, 0.28);
  color: #f0b3b1;
}

.game-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0 10px;
  color: var(--app-hint);
  font-size: 13px;
  font-weight: 850;
}

.game-top-left {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.game-header {
  display: block;
  padding: 8px 0 2px;
}

.target-display {
  min-width: 0;
  padding: 8px 18px 4px;
  border: 0;
  background: transparent;
  text-align: center;
}

.target-value {
  display: block;
  margin-top: 6px;
  color: #ffffff;
  font-size: 68px;
  font-weight: 900;
  line-height: 0.95;
}

#gameStageValue {
  color: var(--rank-accent, #e4b84c);
  text-shadow: 0 0 14px var(--rank-glow, rgba(228, 184, 76, 0.16));
}

.game-progress-corner {
  align-self: flex-end;
  display: grid;
  grid-template-columns: auto auto;
  gap: 6px;
  align-items: baseline;
  margin-top: 8px;
  color: var(--app-hint);
  font-size: 12px;
  font-weight: 800;
}

.game-progress-corner span:first-child {
  color: var(--rank-accent, var(--ink-soft));
  font-size: 14px;
  text-shadow: 0 0 12px var(--rank-glow, rgba(228, 184, 76, 0.14));
}

.game-settings-button {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--app-hint);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.game-settings-button:active {
  border-color: rgba(47, 183, 165, 0.42);
  color: #ffffff;
}

.board-wrap {
  display: flex;
  justify-content: center;
  margin-top: 22px;
  padding: 8px;
  border: 1px solid rgba(218, 226, 236, 0.1);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.12);
}

.board {
  width: min(calc(100vw - 52px), 400px);
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(var(--grid-size, 5), var(--node-size));
  gap: 8px;
}

.cell {
  position: relative;
  overflow: hidden;
  min-width: 0;
  border: 1px solid rgba(218, 226, 236, 0.14);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.025));
  color: var(--app-text);
  font-size: clamp(18px, 6vw, 24px);
  font-weight: 850;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: transform 100ms ease, border-color 100ms ease, background 100ms ease;
}

.cell.number,
.cell.cell-number {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.022));
}

.cell.operator,
.cell.cell-operator {
  background: linear-gradient(180deg, rgba(47, 183, 165, 0.12), rgba(47, 183, 165, 0.04));
  border-color: rgba(47, 183, 165, 0.24);
  color: #f3fffc;
  font-size: clamp(20px, 7vw, 28px);
}

.cell.empty {
  visibility: hidden;
  pointer-events: none;
}

.cell.is-selected {
  background: linear-gradient(180deg, #37c5b2, #247b72);
  border-color: var(--app-button);
  color: var(--app-button-text);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(47, 183, 165, 0.2);
}

.cell.is-next {
  border-color: rgba(47, 183, 165, 0.72);
}

.cell.is-hint {
  background: linear-gradient(180deg, rgba(216, 162, 27, 0.22), rgba(216, 162, 27, 0.08));
  border-color: var(--warning);
  box-shadow: 0 0 0 2px rgba(216, 162, 27, 0.18);
}

.cell.is-hint-wrong {
  border-color: rgba(239, 100, 97, 0.82);
  box-shadow: 0 0 0 2px rgba(239, 100, 97, 0.16);
  animation: hintWrongPulse 520ms ease-out;
}

.cell.is-error {
  background: linear-gradient(180deg, rgba(230, 80, 80, 0.22), rgba(230, 80, 80, 0.08));
  border-color: var(--danger);
  color: var(--danger);
}

.cell.is-success {
  background: var(--success);
  border-color: var(--success);
  color: #ffffff;
}

.cell.is-success-shine {
  border-color: rgba(228, 184, 76, 0.72);
  box-shadow:
    0 0 0 1px rgba(228, 184, 76, 0.2),
    0 0 22px rgba(47, 183, 165, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  animation: successPathPulse 1650ms ease-out both;
}

.cell.is-success-shine::after {
  content: "";
  position: absolute;
  inset: -45%;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent 35%,
    rgba(255, 255, 255, 0.75) 48%,
    rgba(228, 184, 76, 0.55) 55%,
    transparent 68%
  );
  transform: translateX(-125%) rotate(10deg);
  animation: successPathSweep 1280ms ease-out 140ms both;
}

@keyframes successPathSweep {
  0% {
    transform: translateX(-125%) rotate(10deg);
    opacity: 0;
  }
  18% {
    opacity: 1;
  }
  100% {
    transform: translateX(125%) rotate(10deg);
    opacity: 0;
  }
}

@keyframes successPathPulse {
  0% {
    transform: translateY(-1px) scale(1);
  }
  34% {
    transform: translateY(-2px) scale(1.025);
  }
  100% {
    transform: translateY(-1px) scale(1);
  }
}

@keyframes hintWrongPulse {
  0%,
  100% {
    transform: translateY(-1px);
  }
  35% {
    transform: translateY(-1px) scale(1.035);
  }
}

.game-message {
  min-height: 44px;
  text-align: center;
  color: var(--ink-soft);
}

.control-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: auto;
}

.control-row button {
  min-width: 0;
  padding: 0 8px;
}

.settings-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
  background: rgba(7, 9, 13, 0.58);
  backdrop-filter: blur(4px);
}

.settings-overlay.is-open {
  display: flex;
}

.settings-sheet {
  width: min(100%, 430px);
  overflow: hidden;
  border: 1px solid rgba(218, 226, 236, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 28%),
    rgba(32, 36, 45, 0.98);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
}

.settings-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 16px 12px;
}

.settings-head h2 {
  margin: 4px 0 0;
  font-size: 24px;
  line-height: 1.1;
}

.settings-close {
  min-width: 58px;
  height: 38px;
  font-size: 12px;
}

.settings-list {
  display: grid;
  gap: 10px;
  padding: 8px 16px 12px;
}

.settings-row {
  width: 100%;
  min-height: 64px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border: 1px solid rgba(218, 226, 236, 0.12);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.14);
  color: var(--app-text);
  text-align: left;
  cursor: pointer;
}

.settings-row strong,
.settings-row small {
  display: block;
}

.settings-row strong {
  font-size: 15px;
}

.settings-row small {
  margin-top: 4px;
  color: var(--app-hint);
  font-size: 12px;
  line-height: 1.25;
}

.settings-toggle-value {
  min-width: 42px;
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--app-hint);
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}

.settings-row[aria-pressed="true"] .settings-toggle-value {
  background: rgba(47, 183, 165, 0.16);
  color: #ffffff;
}

.settings-exit {
  margin: 4px 16px 16px;
  color: var(--app-hint);
}

.result-header {
  padding-top: 24px;
  text-align: center;
}

.result-modal-view.is-active {
  position: fixed;
  inset: 0;
  z-index: 30;
  min-height: 100vh;
  width: 100%;
  align-items: center;
  justify-content: center;
  padding:
    max(24px, env(safe-area-inset-top), var(--tg-safe-area-top))
    max(16px, env(safe-area-inset-right), var(--tg-safe-area-right))
    max(24px, env(safe-area-inset-bottom), var(--tg-safe-area-bottom))
    max(16px, env(safe-area-inset-left), var(--tg-safe-area-left));
}

.result-modal-view::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 22%, rgba(47, 183, 165, 0.13), transparent 36%),
    rgba(7, 9, 13, 0.62);
  backdrop-filter: blur(4px);
}

.result-modal-card {
  position: relative;
  width: min(100%, 430px);
  max-height: calc(100vh - 48px);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(218, 226, 236, 0.18);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 0%, var(--rank-glow, rgba(228, 184, 76, 0.14)), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent 30%),
    rgba(32, 36, 45, 0.98);
  box-shadow:
    0 26px 80px rgba(0, 0, 0, 0.48),
    0 0 42px var(--rank-glow, rgba(228, 184, 76, 0.18));
}

.result-modal-header {
  padding: 26px 18px 10px;
  text-align: center;
}

.result-modal-header h2 {
  margin: 4px 0 0;
  color: #ffffff;
  font-size: var(--font-display);
  line-height: 1.08;
  letter-spacing: 0;
}

.result-medal {
  position: relative;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  border: 1px solid var(--rank-primary, #e4b84c);
  border-radius: 16px;
  background: var(--rank-badge-bg, linear-gradient(150deg, rgba(255, 215, 129, 0.22), rgba(112, 67, 29, 0.72)));
  color: var(--rank-accent, #e4b84c);
  font-size: 24px;
  font-weight: 900;
  box-shadow:
    0 0 24px var(--rank-glow, rgba(228, 184, 76, 0.18)),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.result-rank-badge {
  overflow: hidden;
}

.result-rank-badge::after {
  content: "";
  position: absolute;
  inset: -42%;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent 34%,
    rgba(255, 255, 255, 0.78) 48%,
    var(--rank-primary, #e4b84c) 56%,
    transparent 70%
  );
  transform: translateX(-135%) rotate(12deg);
  animation: rankBadgeShimmer 1150ms ease-out 180ms both;
}

.result-rank-badge span {
  width: 25px;
  height: 30px;
  display: block;
  clip-path: polygon(50% 0, 92% 24%, 84% 77%, 50% 100%, 16% 77%, 8% 24%);
  background: var(--rank-badge-core, linear-gradient(180deg, #ffd379, #d59743));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.38);
}

.result-modal-view.is-rank-unlock .result-medal {
  animation: rankUnlockPulse 1250ms ease-out both;
}

.result-modal-view.is-rank-unlock .result-rank-badge::after {
  animation-duration: 900ms;
  animation-delay: 80ms;
}

.result-modal-view.is-rank-promotion .result-modal-card {
  border-color: color-mix(in srgb, var(--rank-primary, #e4b84c) 42%, rgba(218, 226, 236, 0.18));
  background:
    radial-gradient(circle at 50% -4%, var(--rank-glow, rgba(228, 184, 76, 0.2)), transparent 33%),
    linear-gradient(180deg, color-mix(in srgb, var(--rank-secondary, #6d4323) 28%, rgba(255, 255, 255, 0.055)), transparent 32%),
    rgba(32, 36, 45, 0.98);
}

.result-modal-view.is-rank-promotion #resultLabel,
.result-modal-view.is-rank-promotion #resultSummary {
  display: none;
}

.result-modal-view.is-rank-promotion .result-medal {
  width: 70px;
  height: 76px;
  margin-bottom: 12px;
  border-radius: 50%;
  animation: rankUnlockPulse 1250ms ease-out both;
}

.result-modal-view.is-rank-promotion .result-rank-badge span {
  width: 34px;
  height: 40px;
}

.result-rank-transition {
  display: none;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  margin: 16px 0 0;
  padding: 11px 13px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.result-modal-view.is-rank-promotion .result-rank-transition {
  display: grid;
}

.result-rank-transition div {
  min-width: 0;
  text-align: left;
}

.result-rank-transition div:last-child {
  text-align: right;
}

.result-rank-transition span {
  display: block;
  color: var(--app-hint);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.result-rank-transition strong {
  display: block;
  margin-top: 3px;
  color: #ffffff;
  font-size: 14px;
  line-height: 1.1;
  font-weight: 900;
}

.result-rank-arrow {
  color: var(--rank-accent, #e4b84c) !important;
  font-size: 18px !important;
  line-height: 1;
  font-weight: 900 !important;
}

@keyframes rankBadgeShimmer {
  0% {
    opacity: 0;
    transform: translateX(-135%) rotate(12deg);
  }
  18% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(135%) rotate(12deg);
  }
}

@keyframes rankUnlockPulse {
  0% {
    transform: scale(0.94);
    box-shadow:
      0 0 0 var(--rank-glow, rgba(228, 184, 76, 0)),
      inset 0 1px 0 rgba(255, 255, 255, 0.18);
  }
  42% {
    transform: scale(1.06);
    box-shadow:
      0 0 34px var(--rank-glow, rgba(228, 184, 76, 0.35)),
      0 0 0 5px rgba(255, 255, 255, 0.04),
      inset 0 1px 0 rgba(255, 255, 255, 0.28);
  }
  100% {
    transform: scale(1);
    box-shadow:
      0 0 24px var(--rank-glow, rgba(228, 184, 76, 0.18)),
      inset 0 1px 0 rgba(255, 255, 255, 0.18);
  }
}

.result-medal.final-medal {
  width: 64px;
  font-size: 20px;
}

.result-grid {
  padding: 16px;
}

.result-modal-stats {
  margin: 10px 16px 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.result-modal-stats > div {
  padding: 14px 8px 12px;
  text-align: center;
  background: rgba(0, 0, 0, 0.16);
}

.result-modal-stats .stat-value {
  font-size: var(--font-value);
  line-height: 1;
  letter-spacing: 0;
}

.result-modal-stats .stat-label {
  margin-top: 7px;
  font-size: var(--font-label);
  line-height: 1;
  text-transform: uppercase;
}

.result-review {
  display: grid;
  gap: 5px;
  margin: 0 16px 16px;
  padding: 12px;
  border: 1px solid rgba(218, 226, 236, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--app-hint);
  font-size: var(--font-body);
  line-height: 1.35;
  text-align: center;
}

.review-label {
  font-size: var(--font-label);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}

.review-formula {
  color: #ffffff;
  font-size: var(--font-body);
  font-weight: 850;
}

.review-value {
  font-weight: 750;
}

.review-value:empty {
  display: none;
}

.final-detail-grid {
  margin-top: 10px;
}

.leaderboard-preview {
  overflow: hidden;
}

.result-modal-actions {
  display: grid;
  gap: 10px;
  padding: 18px 16px 20px;
}

.share-callout {
  padding: 14px 16px;
  border-color: rgba(47, 183, 165, 0.22);
  background: rgba(47, 183, 165, 0.08);
}

.share-callout p:last-child {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.4;
}

.final-share-callout {
  margin-top: 16px;
  border-color: rgba(228, 184, 76, 0.32);
  background:
    linear-gradient(180deg, rgba(228, 184, 76, 0.11), rgba(228, 184, 76, 0.045)),
    rgba(0, 0, 0, 0.08);
}

.zone-review {
  margin-top: 20px;
  overflow: hidden;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: rgba(32, 36, 45, 0.92);
}

.zone-review-head,
.zone-review-row {
  display: grid;
  grid-template-columns: 46px 54px minmax(120px, 1fr) 58px;
  gap: 8px;
  align-items: center;
  padding: 11px 12px;
}

.zone-review-head {
  color: var(--app-hint);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  border-bottom: 1px solid var(--app-border);
}

.zone-review-row {
  min-width: 0;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 750;
  border-top: 1px solid rgba(218, 226, 236, 0.08);
}

.zone-review-row:first-child {
  border-top: 0;
}

.zone-review-row span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.zone-review-row .formula {
  color: #ffffff;
  font-weight: 850;
}

.rank-row {
  display: grid;
  grid-template-columns: 48px 1fr 72px;
  gap: 10px;
  align-items: center;
  padding: 14px 16px;
  border-top: 1px solid var(--app-border);
}

.rank-row span {
  min-width: 0;
}

.rank-row span:nth-child(2) {
  overflow-wrap: anywhere;
}

.rank-row:first-child {
  border-top: 0;
}

.rank-row.is-me {
  color: var(--app-button);
  font-weight: 800;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 20;
  max-width: min(360px, calc(100vw - 32px));
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(22, 26, 32, 0.94);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 140ms ease, transform 140ms ease;
}

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

@media (max-width: 340px) {
  .app-shell {
    padding-left: 12px;
    padding-right: 12px;
  }

  .board-wrap {
    padding: 0;
  }

  .board {
    width: calc(100vw - 24px);
    gap: 6px;
  }

  .control-row {
    gap: 6px;
  }

  .secondary-button,
  .primary-button.compact {
    font-size: 13px;
  }
}