:root {
  --ink: #11272b;
  --ink-soft: #17323a;
  --card: #1e4048;
  --card-edge: #2c4e56;
  --key-edge: #2c4e56;
  --text: #e9fed0;
  --text-accent: #cfe8be;
  --muted: #7fa08e;
  --easy: #2f8f76;
  --easy-dark: #1f6b57;
  --hard: #fc886f;
  --hard-dark: #c2593f;
  --gold: #f0c34e;
  --gold-ink: #f0c34e;
  --ok: var(--easy);
  --bad: #f39b7d;
  --key-background: #17323a;
  --coin-locked-a: #234249;
  --coin-locked-b: #17323a;

  --chip-ink: #0b1a1d;

  --page-bg: #11272b;
  --page-bg-soft: #17323a;
  --page-border: rgba(233, 254, 208, 0.1);
  --heading-text: #e9fed0;
  --tagline-text: #a9c7ae;
  --tab-text: #b7d0bc;
  --group-label-text: #b7d0bc;
  --stat-value-text: var(--gold);
  --stat-label-text: #93b39b;
  --footnote-text: #6e9080;
  --divider: rgba(233, 254, 208, 0.1);
  --card-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --toggle-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);

  --font-display: "Afacad", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-logo: "Fredoka", "Afacad", system-ui, sans-serif;

  --radius-card: 22px;
  --radius-pill: 999px;

  --mode-accent: var(--easy);
  --mode-accent-dark: var(--easy-dark);

  --border-strong: #0a1a1d;
  --chip-text-inverse: #fbf6ec;
}

/* Light theme */
[data-theme="light"] {
  --card: #ffffff;
  --card-edge: rgba(51, 53, 53, 0.14);
  --key-background: #ffffff;
  --key-edge: rgba(51, 53, 53, 0.14);
  --coin-locked-a: #efead9;
  --coin-locked-b: #e4dfcb;
  --page-bg: #f5f1e8;
  --page-bg-soft: #ece6d8;
  --page-border: rgba(51, 53, 53, 0.12);
  --heading-text: #333535;
  --tagline-text: #5c574d;
  --tab-text: #4a463d;
  --group-label-text: #4a463d;
  --text: #333535;
  --text-accent: #333535;
  --muted: #6b6659;
  --easy: #2b6a62;
  --easy-dark: #1f4e48;
  --hard: #fc886f;
  --hard-dark: #c2593f;
  --gold: #eaba38;
  --gold-ink: #a5690b;
  --bad: #f39b7d;
  --chip-ink: #333535;
  --stat-value-text: #a5690b;
  --stat-label-text: #8a8168;
  --footnote-text: #8a8168;
  --divider: rgba(51, 53, 53, 0.12);
  --card-shadow: 0 12px 28px rgba(51, 53, 53, 0.14);
  --toggle-shadow: 0 6px 16px rgba(51, 53, 53, 0.12);

  --border-strong: #232323;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  min-height: 100dvh;
  transition: background 0.3s ease;
  touch-action: manipulation;
}

body {
  padding-bottom: 48px;
}

[data-theme="light"] body {
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(51, 53, 53, 0.02) 0px,
      rgba(51, 53, 53, 0.02) 1px,
      transparent 1px,
      transparent 3px
    ),
    radial-gradient(
      circle at 15% 10%,
      rgba(165, 105, 11, 0.06),
      transparent 40%
    ),
    radial-gradient(
      circle at 85% 85%,
      rgba(43, 106, 98, 0.07),
      transparent 45%
    );
}

/* Decorative perforated marquee strip at the very top */
.ticket-strip {
  height: 10px;
  width: 100%;
  background-image: radial-gradient(
    circle,
    var(--gold) 2.2px,
    transparent 2.6px
  );
  background-size: 22px 10px;
  background-position: center;
  opacity: 0.55;
}

.theme-toggle {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--tab-text);
  background: var(--page-bg-soft);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-pill);
  padding: 9px 14px;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--border-strong);
  transition:
    background 0.3s ease,
    color 0.3s ease,
    transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--border-strong);
}

.theme-toggle:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--border-strong);
}

.info-toggle {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--tab-text);
  background: var(--page-bg-soft);
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--border-strong);
  transition:
    background 0.3s ease,
    transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.info-toggle:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--border-strong);
}

.info-toggle:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--border-strong);
}

#theme-toggle-icon {
  display: inline-block;
}

#theme-toggle-icon.spin {
  animation: icon-flip 0.4s ease;
}

@keyframes icon-flip {
  0% {
    transform: rotate(0deg) scale(1);
    opacity: 1;
  }
  40% {
    transform: rotate(160deg) scale(0.5);
    opacity: 0.3;
  }
  100% {
    transform: rotate(360deg) scale(1);
    opacity: 1;
  }
}

@media (max-width: 480px) {
  .theme-toggle {
    padding: 9px;
  }
  .theme-toggle #theme-toggle-text {
    display: none;
  }
}

.site-header {
  text-align: center;
  padding: 40px 20px 24px;
}

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

.wordmark-emoji {
  font-size: 32px;
  transform: rotate(-8deg);
}

.site-header h1 {
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3rem);
  color: var(--heading-text);
  letter-spacing: 0.3px;
  margin: 0;
  transition: color 0.3s ease;
}

.tagline {
  color: var(--tagline-text);
  font-size: 0.95rem;
  margin: 6px 0 22px;
  transition: color 0.3s ease;
}

/* Splash screen — one-time daily mode choice */
.splash-wrap {
  max-width: 460px;
  margin: 0 auto;
  padding: 0 18px;
}

.splash-card {
  background: var(--card);
  border-radius: var(--radius-card);
  padding: 30px 24px 28px;
  border: 2.5px solid var(--border-strong);
  box-shadow: 6px 6px 0 var(--border-strong);
  text-align: center;
}

.splash-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--heading-text);
  margin: 0 0 14px;
}

.splash-mode-picker {
  display: inline-flex;
  background: var(--page-bg-soft);
  border-radius: var(--radius-pill);
  padding: 5px;
  gap: 4px;
  border: 2px solid var(--border-strong);
  margin: 6px 0 18px;
}

.splash-mode-btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--tab-text);
  background: transparent;
  border: none;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    transform 0.15s ease;
}

.splash-mode-btn:hover {
  transform: translateY(-1px);
}

.splash-mode-btn:active {
  transform: translateY(1px) scale(0.97);
}

.splash-mode-btn[aria-pressed="true"] {
  color: var(--chip-text-inverse);
}

.splash-mode-easy:hover,
#splash-easy[aria-pressed="true"] {
  background: var(--easy);
  color: var(--chip-text-inverse);
}

.splash-mode-hard:hover,
#splash-hard[aria-pressed="true"] {
  background: var(--hard);
  color: var(--chip-text-inverse);
}

.splash-legend {
  display: flex;
  gap: 12px;
  max-width: 320px;
  margin: 0 auto 20px;
}

.splash-stat-card {
  flex: 1;
  background: var(--page-bg-soft);
  border: 1px solid var(--page-border);
  border-radius: 14px;
  padding: 8px;
}

.splash-stat-card .stat-value {
  font-size: 0.88rem;
}

.splash-stat-card .stat-label {
  font-size: 0.6rem;
}

.splash-streak {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--gold-ink);
  margin: 0 0 8px;
}

.splash-footnote {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--footnote-text);
  margin: 0;
}

/* Layout */
.game-wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* Puzzle card — ticket look */
.puzzle-card {
  background: var(--card);
  border-radius: var(--radius-card);
  padding: 26px 24px 28px;
  border: 2.5px solid var(--border-strong);
  box-shadow: 6px 6px 0 var(--border-strong);
  position: relative;
  transition:
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 14px;
}

.field-block {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: flex-start;
}

.field-block-end {
  align-items: flex-end;
  margin-left: auto;
}

.field-caption {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.stub-label {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--muted);
  transition: color 0.2s ease;
}

.stub-label.known {
  color: var(--mode-accent);
}

.stub-label.attempts {
  color: var(--heading-text);
  cursor: default;
  transition:
    color 0.2s ease,
    transform 0.2s ease;
}

.stub-label.attempts.low {
  color: var(--bad);
}

.stub-label.attempts.clickable {
  cursor: pointer;
}

.stub-label.attempts.clickable:hover {
  text-decoration: underline;
}

.stub-label.attempts.pulse {
  animation: attempts-pulse 0.45s ease;
}

@keyframes attempts-pulse {
  0% {
    transform: scale(1);
  }
  35% {
    transform: scale(1.18);
    color: var(--bad);
  }
  100% {
    transform: scale(1);
  }
}

/* Reel of coin slots */
.reel {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 8px 0 22px;
  flex-wrap: wrap;
}

.coin {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  background: var(--key-background);
  border: 2.5px solid var(--border-strong);
  box-shadow:
    inset 0 -3px 0 rgba(0, 0, 0, 0.12),
    3px 3px 0 var(--border-strong);
  transition:
    transform 0.35s ease,
    background 0.35s ease,
    border-color 0.35s ease;
}

.coin.locked {
  background: repeating-linear-gradient(
    135deg,
    var(--coin-locked-a),
    var(--coin-locked-a) 6px,
    var(--coin-locked-b) 6px,
    var(--coin-locked-b) 12px
  );
  color: transparent;
  border-color: var(--border-strong);
}

.coin.revealed {
  animation: coin-flip 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-color: var(--easy);
}

@keyframes coin-flip {
  0% {
    transform: rotateY(90deg) scale(0.6);
  }
  50% {
    transform: rotateY(-12deg) scale(1.12);
  }
  75% {
    transform: rotateY(6deg) scale(0.96);
  }
  100% {
    transform: rotateY(0deg) scale(1);
  }
}

/* Word display — hangman-style blanks */
.word-display {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-end;
  gap: 32px;
  margin: 4px 0 20px;
}

.word-group {
  display: flex;
  gap: 5px;
}

.letter-tile {
  width: 30px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
  border-bottom: 3px solid var(--card-edge);
  text-transform: uppercase;
}

.letter-tile.filled {
  border-bottom-color: var(--ok);
  animation: tile-pop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes tile-pop {
  0% {
    transform: scale(0.6) translateY(4px);
    opacity: 0.3;
  }
  60% {
    transform: scale(1.12) translateY(-2px);
    opacity: 1;
  }
  100% {
    transform: scale(1) translateY(0);
  }
}

.letter-punct {
  align-self: flex-end;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--muted);
  padding-bottom: 6px;
}

.status-msg {
  min-height: 20px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--bad);
  margin: 0 2px 14px;
  font-weight: 600;
}

.status-msg.ok {
  color: var(--ok);
}

.result-summary {
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--heading-text);
  margin: 0 0 14px;
}

[data-theme="light"] .result-summary {
  color: var(--ok);
}

.result-summary.lost {
  color: var(--bad);
}

.view-result-btn {
  display: block;
  width: 100%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  background: var(--gold);
  color: var(--chip-ink);
  border: 2.5px solid var(--border-strong);
  padding: 13px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  margin: 0 0 18px;
  box-shadow: 4px 4px 0 var(--border-strong);
  transition:
    transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.15s cubic-bezier(0.34, 1.56, 0.64, 1),
    filter 0.15s ease;
}

.view-result-btn:hover {
  filter: brightness(1.06);
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--border-strong);
}

.view-result-btn:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--border-strong);
}

/* On-screen keyboard */
.keyboard {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.keyboard-row {
  display: flex;
  gap: 6px;
}

.key {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  width: 32px;
  height: 42px;
  border-radius: 8px;
  background: var(--key-background);
  color: var(--text);
  border: 2px solid var(--border-strong);
  box-shadow: 2px 2px 0 var(--border-strong);
  cursor: pointer;
  transition:
    background 0.15s ease,
    transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.22s cubic-bezier(0.34, 1.56, 0.64, 1),
    border-color 0.15s ease;
}

.key:hover:not(:disabled) {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--border-strong);
  border-color: var(--easy);
}

.key:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--border-strong);
  transition: transform 0.05s ease, box-shadow 0.05s ease;
}

.key:disabled {
  cursor: not-allowed;
}

.key.hit {
  background: var(--ok);
  border-color: var(--ok);
  color: #fff;
}

.key.miss {
  background: var(--card-edge);
  color: var(--muted);
  opacity: 0.6;
}

@media (max-width: 400px) {
  .key {
    width: 27px;
    height: 38px;
    font-size: 0.8rem;
  }
  .letter-tile {
    width: 24px;
    height: 32px;
    font-size: 0.95rem;
  }
}

/* Result modal — pops up when a round ends (win or lose) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 30, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
  animation: overlay-fade 0.2s ease;
}

@keyframes overlay-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-card {
  position: relative;
  width: 100%;
  max-width: 360px;
  background: var(--card);
  border-radius: var(--radius-card);
  border: 2.5px solid var(--border-strong);
  box-shadow: 6px 6px 0 var(--border-strong);
  padding: 30px 24px 26px;
  text-align: center;
  animation: modal-pop 0.25s ease;
}

@keyframes modal-pop {
  0% {
    transform: scale(0.9) translateY(10px);
    opacity: 0;
  }
  100% {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: var(--page-bg-soft);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  filter: brightness(1.1);
}

.howto-card {
  max-width: 400px;
  text-align: left;
}

.howto-card .result-headline {
  text-align: center;
}

.howto-subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 18px;
}

.howto-rules {
  margin: 0 0 20px;
  padding-left: 20px;
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.55;
}

.howto-rules li + li {
  margin-top: 8px;
}

.howto-examples-heading {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
  border-top: 2px dashed var(--card-edge);
  padding-top: 16px;
}

.howto-example {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.howto-reel,
.howto-keys {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.howto-coin.coin {
  width: 36px;
  height: 36px;
  font-size: 1.05rem;
}

.howto-key.key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 38px;
  cursor: default;
}

.howto-example-caption {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
  margin: 0;
}

.howto-footnote {
  text-align: center;
  font-size: 0.78rem;
  color: var(--footnote-text);
  margin: 4px 0 0;
}

.result-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  margin: 6px 0 6px;
}

.result-answer {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 18px;
}

.result-answer strong {
  color: var(--text);
}

.modal-stats {
  display: flex;
  justify-content: center;
  gap: 22px;
  padding: 14px 0;
  margin-bottom: 18px;
  border-top: 2px dashed var(--card-edge);
  border-bottom: 2px dashed var(--card-edge);
}

.stat {
  text-align: center;
  animation: stat-in 0.4s ease backwards;
}

.stat:nth-child(1) {
  animation-delay: 0.05s;
}
.stat:nth-child(2) {
  animation-delay: 0.15s;
}
.stat:nth-child(3) {
  animation-delay: 0.25s;
}

@keyframes stat-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--gold-ink);
}

.stat-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.share-btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  background: var(--chip-ink);
  color: var(--gold);
  border: 2px solid var(--border-strong);
  padding: 11px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--border-strong);
  transition:
    filter 0.15s ease,
    transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.share-btn:hover {
  filter: brightness(1.15);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--border-strong);
}

.share-btn:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--border-strong);
}

.copied-note {
  display: block;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--ok);
  font-weight: 600;
}

.footnote {
  text-align: center;
  color: var(--footnote-text);
  font-size: 0.8rem;
  line-height: 1.5;
  margin: 4px 10px 0;
}

.footnote-link {
  color: var(--footnote-text);
  text-decoration: underline;
}

.footnote-link:hover {
  color: var(--tab-text);
}

/* Ad slot */
.ad-slot {
  min-height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--page-bg-soft);
  border: 1px dashed var(--page-border);
  border-radius: 14px;
  padding: 10px;
  overflow: hidden;
  transition:
    background 0.3s ease,
    border-color 0.3s ease;
}

.ad-slot .adsbygoogle {
  width: 100%;
}

.ad-slot-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--footnote-text);
}

@media (max-width: 420px) {
  .coin {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .card-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .field-block-end {
    align-items: flex-start;
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .coin.revealed {
    animation: none;
  }
  .letter-tile.filled {
    animation: none;
  }
  .modal-overlay,
  .modal-card {
    animation: none;
  }
  .stub-label.attempts.pulse {
    animation: none;
  }
  #theme-toggle-icon.spin {
    animation: none;
  }
  .stat {
    animation: none;
  }
  .key,
  .share-btn,
  .theme-toggle,
  .view-result-btn {
    transition: none;
  }
}