:root {
  --bg: oklch(97% 0.018 70);
  --surface: oklch(99% 0.008 70);
  --fg: oklch(22% 0.02 50);
  --muted: oklch(50% 0.018 50);
  --border: oklch(90% 0.014 70);
  --accent: oklch(64% 0.13 28);
  --font-display: 'Tiempos Headline', 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Söhne', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  --correct: oklch(59% 0.12 145);
  --present: oklch(73% 0.12 82);
  --absent: oklch(47% 0.018 50);
  --tile: oklch(99% 0.008 70);
  --key: oklch(91% 0.018 70);
  --shadow: 0 24px 80px oklch(22% 0.02 50 / 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, oklch(88% 0.065 45 / 0.35), transparent 34rem),
    var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  text-align: center;
}

body.dark-theme {
  --bg: oklch(18% 0.018 50);
  --surface: oklch(24% 0.018 50);
  --fg: oklch(96% 0.014 70);
  --muted: oklch(76% 0.014 70);
  --border: oklch(33% 0.018 50);
  --tile: oklch(26% 0.018 50);
  --key: oklch(34% 0.018 50);
  --shadow: 0 24px 80px oklch(8% 0.01 50 / 0.38);
}

body.intro-active {
  overflow: hidden;
}

body.intro-active .app-shell {
  pointer-events: none;
  user-select: none;
}

.intro-overlay {
  --intro-bg: oklch(18% 0.018 50);
  --intro-surface: oklch(24% 0.018 50);
  --intro-fg: oklch(96% 0.014 70);
  --intro-border: oklch(33% 0.018 50);
  --intro-accent: #2f6feb;
  --intro-tile-empty: oklch(26% 0.018 50);
  --intro-tile-wrong: var(--absent);
  --intro-tile-misplaced: var(--present);
  --intro-tile-correct: var(--correct);
  --intro-font-mono: ui-monospace, "JetBrains Mono", monospace;

  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  min-block-size: 100svh;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 0%, oklch(88% 0.065 45 / 0.14), transparent 34rem),
    var(--intro-bg);
  color: var(--intro-fg);
  font-family: var(--font-body);
  opacity: 1;
  perspective: 1200px;
  transition: opacity 520ms ease, visibility 520ms ease;
  visibility: visible;
}

.intro-overlay::before,
.intro-overlay::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  block-size: 20vh;
  z-index: 4;
  pointer-events: none;
}

.intro-overlay::before {
  inset-block-start: 0;
  background: linear-gradient(180deg, color-mix(in oklch, var(--intro-bg), transparent 12%), transparent);
}

.intro-overlay::after {
  inset-block-end: 0;
  background: linear-gradient(0deg, color-mix(in oklch, var(--intro-bg), transparent 10%), transparent);
}

.intro-overlay.is-dismissing {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.intro-overlay[hidden] {
  display: none;
}

.intro-stage {
  position: relative;
  display: grid;
  inline-size: min(1120px, calc(100vw - 32px));
  block-size: min(640px, calc(100svh - 32px));
  min-block-size: 420px;
  place-items: center;
  transform-style: preserve-3d;
}

.intro-scanline {
  position: absolute;
  inset-inline: 10%;
  inset-block-start: 50%;
  z-index: 1;
  block-size: 1px;
  background: linear-gradient(90deg, transparent, rgba(250, 250, 250, 0.36), transparent);
  opacity: 0;
  transform: translateY(-50%);
  animation: intro-scan 4.8s ease forwards;
}

.intro-tiles {
  --intro-tile-size: clamp(46px, 10vw, 128px);
  --intro-tile-gap: clamp(6px, 1.4vw, 16px);

  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(6, var(--intro-tile-size));
  gap: var(--intro-tile-gap);
  transform-origin: 50% 50%;
  transform-style: preserve-3d;
  transition: gap 420ms cubic-bezier(0.2, 0.7, 0.15, 1), transform 520ms cubic-bezier(0.2, 0.7, 0.15, 1);
}

.intro-tile {
  position: relative;
  inline-size: var(--intro-tile-size);
  block-size: var(--intro-tile-size);
  opacity: 0;
  transform: translate3d(0, 34px, -180px);
  transform-style: preserve-3d;
  animation: intro-tile-enter 520ms cubic-bezier(0.2, 0.7, 0.15, 1) forwards;
  animation-delay: calc(var(--intro-index) * 56ms);
}

.intro-letter {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in oklch, var(--intro-border), transparent 35%);
  background: var(--intro-tile-empty);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--intro-fg), transparent 92%);
  color: var(--intro-fg);
  font-family: var(--font-body);
  font-size: clamp(28px, 6vw, 78px);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  transform-origin: 50% 50%;
}

.intro-tile.is-flipping .intro-letter {
  animation: intro-split-flap 260ms cubic-bezier(0.3, 0.7, 0.2, 1);
}

.intro-tile[data-status="wrong"] .intro-letter {
  background: var(--intro-tile-wrong);
}

.intro-tile[data-status="misplaced"] .intro-letter {
  background: var(--intro-tile-misplaced);
}

.intro-tile[data-status="correct"] .intro-letter {
  background: var(--intro-tile-correct);
}

.intro-tile:nth-child(1) { --intro-index: 0; }
.intro-tile:nth-child(2) { --intro-index: 1; }
.intro-tile:nth-child(3) { --intro-index: 2; }
.intro-tile:nth-child(4) { --intro-index: 3; }
.intro-tile:nth-child(5) { --intro-index: 4; }
.intro-tile:nth-child(6) { --intro-index: 5; }

.intro-tiles.is-solved .intro-tile {
  opacity: 1;
  animation: intro-logo-cascade 680ms cubic-bezier(0.18, 0.85, 0.22, 1) calc(var(--intro-index) * 76ms) both;
}

.intro-tiles.is-logo {
  gap: clamp(3px, 0.7vw, 8px);
  transform: scale(0.88);
}

.intro-tiles.is-logo .intro-letter {
  border-color: rgba(250, 250, 250, 0.28);
  box-shadow: inset 0 0 0 1px rgba(250, 250, 250, 0.1), 0 0 28px rgba(106, 170, 100, 0.16);
}

.intro-caption {
  position: absolute;
  inset-block-end: clamp(24px, 6vh, 64px);
  inset-inline: 24px;
  z-index: 5;
  display: flex;
  justify-content: center;
  color: rgba(250, 250, 250, 0.62);
  font-family: var(--intro-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  animation: intro-caption-cue 4.8s ease forwards;
}

.intro-skip {
  position: fixed;
  inset-block-start: 16px;
  inset-inline-end: 16px;
  z-index: 10;
  min-height: 40px;
  border: 1px solid color-mix(in oklch, var(--intro-border), transparent 20%);
  border-radius: 999px;
  padding: 0 16px;
  background: color-mix(in oklch, var(--intro-surface), transparent 18%);
  color: var(--intro-fg);
  cursor: pointer;
  font: 800 0.85rem/1 var(--font-body);
}

.intro-skip:hover {
  border-color: rgba(250, 250, 250, 0.5);
}

.intro-skip:focus-visible {
  outline: 2px solid var(--intro-accent);
  outline-offset: 3px;
}

.intro-overlay.restarting * {
  animation: none !important;
}

button,
a {
  font: inherit;
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 24px 0 32px;
}

.topbar,
.game-card,
.stats-card {
  border: 1px solid var(--border);
  background: color-mix(in oklch, var(--surface) 90%, transparent);
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--surface) 70%, transparent);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  padding: 10px 12px;
  border-radius: 20px;
  backdrop-filter: blur(18px);
}

.brand,
.actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  color: inherit;
  text-align: start;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 14px;
  background: var(--fg);
  color: var(--surface);
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}

.brand small,
.deck,
.status-row,
.alert {
  color: var(--muted);
}

.actions {
  gap: 8px;
}

.icon-button,
.auth-button,
.button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--fg);
  cursor: pointer;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  font-size: 1.25rem;
}

.icon-button:hover,
.auth-button:hover,
.button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in oklch, var(--accent), var(--border) 45%);
}

.game-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(20px, 4vw, 56px);
  margin-top: 18px;
  padding: clamp(20px, 4vw, 48px);
  border-radius: 32px;
  box-shadow: var(--shadow);
}

.hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: start;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.05;
}

h1 {
  max-width: 9ch;
  font-size: clamp(3rem, 7vw, 5.9rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.deck {
  max-width: 34rem;
  margin: 22px 0 0;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.65;
}

.board-panel {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 18px;
  min-width: 0;
}

.status-row {
  display: flex;
  width: min(100%, 430px);
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9rem;
}

.pill {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}

.guess-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(44px, 68px));
  grid-template-rows: repeat(6, minmax(44px, 68px));
  gap: 8px;
  inline-size: min(100%, 372px);
  aspect-ratio: 5 / 6;
}

.tile {
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--tile);
  color: var(--fg);
  font-size: clamp(1.35rem, 5vw, 2rem);
  font-weight: 800;
  text-transform: uppercase;
  user-select: none;
  transition: transform 250ms ease, background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.tile[data-state="active"] {
  border-color: color-mix(in oklch, var(--accent), var(--fg) 25%);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--accent), transparent 60%);
}

.tile[data-state="wrong"],
.key.wrong {
  background: var(--absent);
  border-color: var(--absent);
  color: white;
}

.tile[data-state="wrong-position"],
.key.wrong-position {
  background: var(--present);
  border-color: var(--present);
  color: var(--fg);
}

.tile[data-state="correct"],
.key.correct {
  background: var(--correct);
  border-color: var(--correct);
  color: white;
}

.tile.flip {
  transform: rotateX(90deg);
}

.tile.shake {
  animation: shake 250ms ease-in-out;
}

.tile.dance {
  animation: dance 500ms ease-in-out;
}

.keyboard {
  display: grid;
  grid-template-columns: repeat(20, minmax(0, 1fr));
  gap: 6px;
  width: min(100%, 560px);
  touch-action: manipulation;
}

.key {
  grid-column: span 2;
  min-height: 48px;
  padding: 0;
  border: 1px solid color-mix(in oklch, var(--border), var(--fg) 5%);
  border-radius: 12px;
  background: var(--key);
  color: var(--fg);
  font-size: clamp(0.8rem, 2vw, 1rem);
  font-weight: 800;
  cursor: pointer;
  user-select: none;
}

.key.large {
  grid-column: span 3;
  font-size: 0.78rem;
}

.key.space {
  grid-column: span 1;
  visibility: hidden;
}

.key svg {
  width: 1.35rem;
  height: 1.35rem;
  fill: currentColor;
}

.key:hover,
.key:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: var(--accent);
}

.alert-container {
  position: fixed;
  inset-block-start: 96px;
  inset-inline: 16px;
  z-index: 10;
  display: grid;
  justify-items: center;
  gap: 8px;
  pointer-events: none;
}

.alert {
  max-width: min(440px, calc(100vw - 32px));
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--fg);
  line-height: 1.45;
  opacity: 1;
  transition: opacity 400ms ease, transform 400ms ease;
}

.alert.hide {
  opacity: 0;
  transform: translateY(-6px);
}

.stats-modal {
  width: min(520px, calc(100vw - 32px));
  padding: 0;
  border: 0;
  border-radius: 24px;
  background: transparent;
  color: var(--fg);
}

.stats-modal::backdrop {
  background: oklch(18% 0.018 50 / 0.45);
  backdrop-filter: blur(4px);
}

.stats-card {
  padding: 22px;
  border-radius: 24px;
  text-align: start;
}

.modal-head,
.modal-actions,
.stat-item,
.guess-bar {
  display: flex;
  align-items: center;
}

.modal-head,
.modal-actions {
  justify-content: space-between;
  gap: 16px;
}

.close-button {
  flex: 0 0 auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 22px 0;
}

.stat-item {
  min-height: 82px;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
}

.stat-item strong {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
}

.stat-item span {
  color: var(--muted);
  font-size: 0.78rem;
}

.guess-bars {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.stats-note,
.leaderboard-countdown {
  margin: -8px 0 18px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.leaderboard-result {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid color-mix(in oklch, var(--accent), var(--border) 45%);
  border-radius: 16px;
  background: color-mix(in oklch, var(--accent), var(--surface) 88%);
  color: var(--fg);
  line-height: 1.55;
}

.leaderboard-result[hidden] {
  display: none;
}

.leaderboard-result-summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid color-mix(in oklch, var(--accent), var(--border) 62%);
  padding-bottom: 10px;
}

.leaderboard-result strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
}

.leaderboard-result span {
  color: var(--muted);
}

.leaderboard-result-summary span {
  flex: 0 0 auto;
  font-size: 0.9rem;
  font-weight: 900;
}

.leaderboard-definition {
  display: grid;
  gap: 6px;
}

.leaderboard-result em {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-style: normal;
}

.definition-panel {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.definition-panel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}

.stats-definition {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg);
  color: var(--muted);
  line-height: 1.55;
  text-align: start;
}

.stats-definition strong {
  display: block;
  margin-bottom: 6px;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.1;
}

.stats-definition .word-label {
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stats-definition em {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-style: normal;
}

.leaderboard-card {
  display: grid;
  gap: 18px;
}

.leaderboard-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.leaderboard-tab {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--fg);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 900;
}

.leaderboard-tab.active {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.leaderboard-list {
  display: grid;
  gap: 10px;
}

.leaderboard-row,
.leaderboard-empty {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 2.4rem 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 10px 12px;
}

.leaderboard-row.you {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--accent), transparent 60%);
}

.leaderboard-rank {
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  border-radius: 999px;
  background: var(--fg);
  color: var(--surface);
  font-family: var(--font-display);
}

.leaderboard-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 800;
}

.leaderboard-streak {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.leaderboard-score {
  color: var(--muted);
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}

.leaderboard-empty {
  padding: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.guess-bar {
  gap: 10px;
}

.guess-bar-label {
  width: 1.5rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.guess-bar-fill {
  min-width: 28px;
  height: 26px;
  padding-inline-end: 8px;
  border-radius: 8px;
  background: color-mix(in oklch, var(--accent), var(--border) 40%);
  color: white;
  text-align: end;
  font-size: 0.8rem;
  font-weight: 800;
  line-height: 26px;
}

.button {
  padding: 0 16px;
  font-weight: 700;
}

.auth-button {
  padding: 0 14px;
  font-size: 0.88rem;
  font-weight: 800;
}

.full-width {
  width: 100%;
}

.button.primary {
  background: var(--accent);
  color: white;
}

.button.secondary {
  background: var(--key);
}

.auth-card {
  display: grid;
  gap: 16px;
}

.auth-status {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.auth-form {
  display: grid;
  gap: 10px;
}

.auth-form[hidden],
.auth-create-fields[hidden],
.button[hidden] {
  display: none;
}

.auth-create-fields {
  display: grid;
  gap: 10px;
}

.auth-reset-fields {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.auth-reset-fields[hidden] {
  display: none;
}

.account-summary {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
}

.account-summary[hidden] {
  display: none;
}

.account-summary strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
}

.account-summary span {
  color: var(--muted);
  font-size: 0.85rem;
}

.auth-form label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.optional-label {
  font-weight: 600;
  opacity: 0.72;
}

.auth-form input {
  min-height: 46px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  padding: 0 14px;
}

.auth-button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 4px;
}

.auth-button-row .button:only-child,
.auth-button-row .button[hidden] + .button,
.auth-button-row .button:first-child:last-child {
  grid-column: 1 / -1;
}

.auth-button-row:not(:has(#auth-sign-up:not([hidden]))) #auth-sign-in {
  grid-column: 1 / -1;
}

.auth-form input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent), transparent 75%);
}

.auth-actions {
  margin: 0;
  padding: 0;
}

.link-button {
  width: max-content;
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-weight: 800;
  padding: 0;
  text-align: start;
}

@keyframes intro-tile-enter {
  0% {
    transform: translate3d(0, 34px, -180px);
    filter: blur(2px);
    opacity: 0;
  }

  100% {
    transform: translate3d(0, 0, 0);
    filter: blur(0);
    opacity: 1;
  }
}

@keyframes intro-split-flap {
  0% {
    transform: rotateX(0deg);
    filter: brightness(1);
  }

  49% {
    transform: rotateX(-88deg);
    filter: brightness(0.72);
  }

  50% {
    transform: rotateX(88deg);
    filter: brightness(1.12);
  }

  100% {
    transform: rotateX(0deg);
    filter: brightness(1);
  }
}

@keyframes intro-logo-cascade {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
    filter: brightness(1);
  }

  34% {
    transform: translate3d(0, -22%, 130px) scale(1.18);
    filter: brightness(1.16);
  }

  62% {
    transform: translate3d(0, 4%, 0) scale(0.98);
    filter: brightness(1.04);
  }

  100% {
    transform: translate3d(0, 0, 0) scale(1);
    filter: brightness(1);
  }
}

@keyframes intro-scan {
  0%,
  12% {
    opacity: 0;
    transform: translateY(-50%) scaleX(0.2);
  }

  24% {
    opacity: 0.75;
  }

  54% {
    opacity: 0.22;
    transform: translateY(-50%) scaleX(1);
  }

  72%,
  100% {
    opacity: 0;
  }
}

@keyframes intro-caption-cue {
  0%,
  18% {
    opacity: 0;
    transform: translateY(8px);
  }

  28%,
  64% {
    opacity: 1;
    transform: translateY(0);
  }

  82%,
  100% {
    opacity: 0;
    transform: translateY(-8px);
  }
}

@keyframes shake {
  10%, 90% { transform: translateX(-4%); }
  30%, 70% { transform: translateX(5%); }
  50% { transform: translateX(-7%); }
}

@keyframes dance {
  20% { transform: translateY(-45%); }
  40% { transform: translateY(4%); }
  60% { transform: translateY(-20%); }
  80% { transform: translateY(2%); }
  100% { transform: translateY(0); }
}

@media (max-width: 720px) {
  .intro-stage {
    min-block-size: 420px;
  }

  .intro-tiles {
    --intro-tile-size: min(13.5vw, 56px);
    --intro-tile-gap: 5px;
  }

  .intro-caption {
    font-size: 10px;
  }

  .intro-skip {
    min-height: 38px;
    padding-inline: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .intro-overlay,
  .intro-tiles,
  .intro-tile,
  .intro-letter,
  .intro-scanline,
  .intro-caption {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 780px) {
  .app-shell {
    width: min(100% - 20px, 600px);
    padding-top: 10px;
  }

  .game-card {
    grid-template-columns: 1fr;
    padding: 18px;
    border-radius: 24px;
  }

  .hero-panel {
    text-align: center;
  }

  h1,
  .deck {
    margin-inline: auto;
  }

  .deck {
    margin-top: 12px;
  }
}

@media (max-width: 460px) {
  .brand small {
    display: none;
  }

  .topbar {
    padding: 8px;
  }

  .actions {
    gap: 4px;
  }

  .icon-button {
    min-width: 40px;
    min-height: 40px;
  }

  .guess-grid {
    gap: 6px;
  }

  .tile {
    border-radius: 10px;
  }

  .keyboard {
    gap: 4px;
  }

  .key {
    min-height: 44px;
    border-radius: 9px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}