/* Departures — one stylesheet for the shell and all six games.
   Dark by default: most of this gets played in a dim cabin. */

:root {
  --bg: #0d1526;
  --bg-glow-1: rgba(110, 168, 255, 0.16);
  --bg-glow-2: rgba(255, 180, 84, 0.10);
  --surface: rgba(255, 255, 255, 0.055);
  --surface-2: rgba(255, 255, 255, 0.09);
  --surface-solid: #17223c;
  --line: rgba(255, 255, 255, 0.11);
  --text: #e9efff;
  --muted: #93a3c4;
  --sky: #6ea8ff;
  --sun: #ffb454;
  --mint: #45d3a8;
  --pink: #ff8fab;
  --violet: #a98bff;
  --coral: #ff7d6b;
  --accent: var(--sky);
  --accent-ink: #08111f;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.8);
  --topbar-h: 56px;
}

:root[data-theme="light"] {
  --bg: #eef3fb;
  --bg-glow-1: rgba(110, 168, 255, 0.28);
  --bg-glow-2: rgba(255, 180, 84, 0.22);
  --surface: rgba(255, 255, 255, 0.86);
  --surface-2: #ffffff;
  --surface-solid: #ffffff;
  --line: rgba(16, 24, 43, 0.12);
  --text: #101a2e;
  --muted: #5a6884;
  --sky: #2f6ee0;
  --sun: #c97b12;
  --mint: #0f9b74;
  --pink: #d1497a;
  --violet: #6f52d9;
  --coral: #d6503f;
  --accent-ink: #ffffff;
  --shadow: 0 16px 34px -26px rgba(16, 24, 43, 0.6);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #eef3fb;
    --bg-glow-1: rgba(110, 168, 255, 0.28);
    --bg-glow-2: rgba(255, 180, 84, 0.22);
    --surface: rgba(255, 255, 255, 0.86);
    --surface-2: #ffffff;
    --surface-solid: #ffffff;
    --line: rgba(16, 24, 43, 0.12);
    --text: #101a2e;
    --muted: #5a6884;
    --sky: #2f6ee0;
    --sun: #c97b12;
    --mint: #0f9b74;
    --pink: #d1497a;
    --violet: #6f52d9;
    --coral: #d6503f;
    --accent-ink: #ffffff;
    --shadow: 0 16px 34px -26px rgba(16, 24, 43, 0.6);
  }
}

body[data-accent="sky"] { --accent: var(--sky); }
body[data-accent="sun"] { --accent: var(--sun); }
body[data-accent="mint"] { --accent: var(--mint); }
body[data-accent="pink"] { --accent: var(--pink); }
body[data-accent="violet"] { --accent: var(--violet); }
body[data-accent="coral"] { --accent: var(--coral); }

* { box-sizing: border-box; }
[hidden] { display: none !important; }

/* Games get tapped fast and repeatedly. Kill the double-tap zoom delay and the
   long-press text selection so a child hammering a card gets a card, not a
   selection handle and a magnifier. */
button,
.game-card,
.bingo-cell,
.card-btn,
.letter-btn,
.seg-btn,
.dots-board {
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  background-image:
    radial-gradient(90ch 60ch at 12% -8%, var(--bg-glow-1), transparent 60%),
    radial-gradient(70ch 50ch at 96% 4%, var(--bg-glow-2), transparent 62%);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: contain;
}

body.sheet-open { overflow: hidden; }

h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0 0 0.9em; }
a { color: var(--accent); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface-solid);
  color: var(--text);
  padding: 0.7rem 1rem;
  z-index: 60;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* --------------------------------------------------------------- top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: calc(var(--topbar-h) + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) max(0.75rem, env(safe-area-inset-right)) 0 max(0.75rem, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}

.topbar-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  flex: 1;
}

.topbar-mark {
  color: var(--accent);
  font-size: 1.05rem;
  transform: translateY(-1px);
}

.topbar h1 {
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions { display: flex; gap: 0.35rem; }

.icon-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.1rem;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex: none;
  transition: transform 0.12s ease, background 0.12s ease;
}
.icon-btn:active { transform: scale(0.92); background: var(--surface-2); }
#back-btn { font-size: 1.6rem; padding-bottom: 4px; }

/* ---------------------------------------------------------------- screen */
.screen {
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  padding: 1.1rem max(1rem, env(safe-area-inset-left)) calc(2.5rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-right));
  outline: none;
}

.screen-full {
  max-width: 720px;
  padding-left: max(0.6rem, env(safe-area-inset-left));
  padding-right: max(0.6rem, env(safe-area-inset-right));
}

/* ------------------------------------------------------------------- hub */
.hub-intro { margin-bottom: 1.1rem; }

.hub-kicker {
  display: inline-block;
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hub-heading {
  font-size: clamp(1.5rem, 6.5vw, 2rem);
  margin-bottom: 0.5rem;
}

.hub-sub { color: var(--muted); margin: 0; }

.offline-chip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  margin: 1rem 0 1.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.83rem;
  color: var(--muted);
}
.offline-chip .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sun);
  flex: none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--sun) 22%, transparent);
}
.offline-chip.is-ready .dot { background: var(--mint); box-shadow: 0 0 0 4px color-mix(in srgb, var(--mint) 22%, transparent); }
.offline-chip.is-ready { color: var(--text); }
.offline-chip.is-warn .dot { background: var(--coral); box-shadow: none; }

.game-grid { display: grid; gap: 0.7rem; }

.game-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform 0.14s ease, border-color 0.14s ease;
}
.game-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--card-accent, var(--sky));
}
.game-card[data-accent="sky"] { --card-accent: var(--sky); }
.game-card[data-accent="sun"] { --card-accent: var(--sun); }
.game-card[data-accent="mint"] { --card-accent: var(--mint); }
.game-card[data-accent="pink"] { --card-accent: var(--pink); }
.game-card[data-accent="violet"] { --card-accent: var(--violet); }
.game-card[data-accent="coral"] { --card-accent: var(--coral); }
.game-card:active { transform: scale(0.985); border-color: var(--card-accent); }

.game-emoji {
  font-size: 1.9rem;
  width: 52px;
  height: 52px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: color-mix(in srgb, var(--card-accent) 16%, transparent);
}

.game-body { display: flex; flex-direction: column; gap: 0.2rem; min-width: 0; flex: 1; }
.game-title { font-weight: 650; font-size: 1.02rem; }
.game-blurb { color: var(--muted); font-size: 0.86rem; line-height: 1.35; }
.game-meta { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.25rem; }

.chip {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.16rem 0.5rem;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--line);
  white-space: nowrap;
}
.chip-best { color: var(--card-accent, var(--accent)); border-color: color-mix(in srgb, var(--card-accent, var(--accent)) 45%, transparent); }

.game-go { color: var(--muted); font-size: 1.1rem; flex: none; }

.hub-shuffle { width: 100%; margin: 1.1rem 0 1.4rem; }

.tips {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0.4rem 0.95rem;
}
.tips summary {
  cursor: pointer;
  padding: 0.6rem 0;
  font-weight: 600;
  font-size: 0.92rem;
  list-style: none;
}
.tips summary::-webkit-details-marker { display: none; }
.tips summary::after { content: " ⌄"; color: var(--muted); }
.tips[open] summary::after { content: " ⌃"; }
.tip-list { margin: 0 0 0.7rem; padding-left: 1.1rem; color: var(--muted); font-size: 0.88rem; }
.tip-list li { margin-bottom: 0.55rem; }
.tip-list strong { color: var(--text); font-weight: 600; }

.foot-note { margin-top: 1.6rem; text-align: center; color: var(--muted); font-size: 0.8rem; margin-bottom: 0.3rem; }

/* The build stamp: small, but always on screen and selectable, so it can be
   read off the phone and compared with the repository. */
.build-note {
  text-align: center;
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
  opacity: 0.75;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  -webkit-user-select: text;
  user-select: text;
}

.offline-chip.is-update { border-color: color-mix(in srgb, var(--sun) 55%, transparent); color: var(--text); }
.offline-chip.is-update .dot { background: var(--sun); }
.chip-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 700;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
}

/* --------------------------------------------------------------- buttons */
.btn {
  appearance: none;
  font: inherit;
  font-weight: 600;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  padding: 0.8rem 1.1rem;
  min-height: 48px;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.12s ease;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: default; transform: none; }
.letter-btn:disabled { cursor: default; }
.letter-btn:disabled:active { transform: none; }

.btn-primary {
  background: var(--accent);
  border-color: transparent;
  color: var(--accent-ink);
}
.btn-primary:active { filter: brightness(0.94); }
/* A dimmed accent colour reads as broken rather than unavailable. */
.btn-primary:disabled {
  background: var(--surface-2);
  color: var(--muted);
  border-color: var(--line);
  opacity: 1;
}

.btn-ghost { background: transparent; }
.btn-quiet {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
  font-weight: 500;
  font-size: 0.88rem;
  min-height: 42px;
  padding: 0.5rem 0.9rem;
  width: 100%;
}
.btn-row { display: flex; gap: 0.6rem; }
.btn-row .btn { flex: 1; }

/* ---------------------------------------------------------------- panels */
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1rem;
  margin-bottom: 0.9rem;
}

.panel-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.lede { color: var(--muted); }

.scorebar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}
.score-box {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 0.55rem 0.7rem;
  text-align: center;
  min-width: 0;
}
.score-box .label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}
.score-box .value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.score-box.is-active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

/* segmented option pickers used by most game setup screens */
.option-group { margin-bottom: 1rem; }
.option-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}
.seg {
  display: flex;
  gap: 0.3rem;
  padding: 0.28rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}
.seg-btn {
  flex: 1;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 0.4rem;
  min-height: 42px;
  border-radius: 11px;
  cursor: pointer;
  white-space: nowrap;
}
.seg-btn[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-ink);
}
.seg-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.7rem 0; }
.seg-row .seg { flex: 1; max-width: 62%; }

/* ---------------------------------------------------------------- sheets */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 16, 0.6);
  z-index: 40;
  backdrop-filter: blur(2px);
}

.sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: var(--surface-solid);
  border-top: 1px solid var(--line);
  border-radius: 22px 22px 0 0;
  padding: 0.5rem 1.1rem calc(1.2rem + env(safe-area-inset-bottom));
  max-height: 84vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.22s ease;
  margin: 0 auto;
  max-width: 620px;
}
.sheet.is-open { transform: translateY(0); }
.sheet h2 { font-size: 1.1rem; margin-bottom: 0.7rem; }
.sheet-grip {
  width: 38px;
  height: 4px;
  border-radius: 999px;
  background: var(--line);
  margin: 0.35rem auto 0.8rem;
}
.sheet-close { width: 100%; margin-top: 0.9rem; }
.sheet-note { margin-top: 1.1rem; padding-top: 0.9rem; border-top: 1px solid var(--line); }
.sheet-note p { color: var(--muted); font-size: 0.83rem; }
.sheet-note .reset-explainer { line-height: 1.5; }
.sheet-note .reset-explainer strong { color: var(--text); }
.version-note {
  text-align: center;
  margin: 0.9rem 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.toggle-copy { display: flex; flex-direction: column; gap: 0.15rem; }
.toggle-label { font-weight: 600; }
.toggle-desc { color: var(--muted); font-size: 0.8rem; }
.toggle-switch { position: relative; flex: none; width: 50px; height: 30px; }
.toggle-switch input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}
.toggle-track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  transition: background 0.15s ease;
  pointer-events: none;
}
.toggle-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 0.15s ease, background 0.15s ease;
}
.toggle-switch input:checked + .toggle-track { background: color-mix(in srgb, var(--accent) 45%, transparent); }
.toggle-switch input:checked + .toggle-track::after { transform: translateX(20px); background: #fff; }
.toggle-switch input:focus-visible + .toggle-track { outline: 2px solid var(--accent); outline-offset: 2px; }

.help-list { margin: 0; padding-left: 1.15rem; color: var(--muted); }
.help-list li { margin-bottom: 0.6rem; }
.help-list strong { color: var(--text); }

/* -------------------------------------------------------- shared game bits */
.game-intro { margin-bottom: 1.1rem; color: var(--muted); }

.result-card {
  text-align: center;
  border: 1px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: var(--radius);
  padding: 1.3rem 1rem;
  margin-bottom: 1rem;
}
.result-card .big {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  margin: 0.3rem 0;
  font-variant-numeric: tabular-nums;
}
.result-card .sub { color: var(--muted); margin: 0; }

.turn-banner.is-good {
  background: color-mix(in srgb, var(--mint) 20%, transparent);
  border-color: color-mix(in srgb, var(--mint) 55%, transparent);
  color: var(--text);
}
.turn-banner.is-bad {
  background: color-mix(in srgb, var(--coral) 18%, transparent);
  border-color: color-mix(in srgb, var(--coral) 50%, transparent);
  color: var(--text);
}

.turn-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  font-weight: 650;
  margin-bottom: 0.8rem;
}

.pill-note {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.8rem 0 0;
}

/* Cloud Hop ---------------------------------------------------------- */
.hop-stage {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #1d3358 0%, #2f4c80 55%, #4d74ab 100%);
  touch-action: none;
  user-select: none;
}
:root[data-theme="light"] .hop-stage { background: linear-gradient(180deg, #8fc4ff 0%, #b9dcff 60%, #dff0ff 100%); }
.hop-stage canvas { display: block; width: 100%; height: 100%; }

.hop-pause {
  position: absolute;
  top: 2.2rem;
  right: 0.7rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 0;
  background: rgba(8, 16, 32, 0.42);
  color: #fff;
  font-size: 0.85rem;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.hop-pause:active { background: rgba(8, 16, 32, 0.62); }

.hop-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1.2rem;
  background: rgba(6, 12, 24, 0.62);
  backdrop-filter: blur(3px);
  color: #fff;
}
.hop-overlay h3 { font-size: 1.5rem; margin-bottom: 0.4rem; }
.hop-overlay p { color: rgba(255, 255, 255, 0.78); margin-bottom: 1rem; }
.hop-overlay .btn { background: #fff; color: #0d1526; border-color: transparent; }
.hop-hud {
  position: absolute;
  top: 0.6rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* Baggage Match ------------------------------------------------------ */
.match-grid {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}
.match-cell { perspective: 700px; }
.card-btn {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.32s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.card-btn.is-face { transform: rotateY(180deg); }
.card-face {
  position: absolute;
  inset: 0;
  border-radius: 14px;
  display: grid;
  place-items: center;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border: 1px solid var(--line);
  font-size: clamp(1.5rem, 8vw, 2.3rem);
}
.card-back {
  background: linear-gradient(150deg, #2c3a5c, #1b2740);
  color: rgba(255, 255, 255, 0.55);
  font-size: 1.2rem;
}
:root[data-theme="light"] .card-back {
  background: linear-gradient(150deg, #b9c6de, #93a4c4);
  color: rgba(255, 255, 255, 0.9);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .card-back {
    background: linear-gradient(150deg, #b9c6de, #93a4c4);
    color: rgba(255, 255, 255, 0.9);
  }
}

.card-front {
  transform: rotateY(180deg);
  background: var(--surface-2);
}
/* A pair, the moment it is found: hold it face up, give it a pop and a green
   ring, then flip it back in the winner's colour. */
.card-btn.is-matched .card-front {
  background: color-mix(in srgb, var(--mint) 28%, transparent);
  border-color: var(--mint);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--mint) 60%, transparent);
}
.card-btn.is-matched .card-front::after {
  content: "✓";
  position: absolute;
  top: 4px;
  right: 7px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--mint);
}
.card-btn.is-face.is-matched { animation: card-pop 0.5s ease; }

@keyframes card-pop {
  0% { transform: rotateY(180deg) scale(1); }
  40% { transform: rotateY(180deg) scale(1.09); }
  100% { transform: rotateY(180deg) scale(1); }
}

.card-btn.is-wrong .card-front {
  background: color-mix(in srgb, var(--coral) 20%, transparent);
  border-color: color-mix(in srgb, var(--coral) 60%, transparent);
}
.card-btn.is-face.is-wrong { animation: card-shake 0.4s ease; }

@keyframes card-shake {
  0%, 100% { transform: rotateY(180deg) translateX(0); }
  25% { transform: rotateY(180deg) translateX(-5px); }
  75% { transform: rotateY(180deg) translateX(5px); }
}

.card-btn.is-claimed { cursor: default; }
.card-btn.is-claimed:active { transform: none; }
.card-btn.is-claimed .card-back {
  background: linear-gradient(150deg,
    color-mix(in srgb, var(--claim) 88%, transparent),
    color-mix(in srgb, var(--claim) 52%, transparent));
  border-color: color-mix(in srgb, var(--claim) 70%, transparent);
  color: var(--accent-ink);
  font-size: 1.05rem;
  font-weight: 800;
}
.card-btn.claim-solo { --claim: var(--mint); }
.card-btn.claim-p1 { --claim: var(--sky); }
.card-btn.claim-p2 { --claim: var(--sun); }

/* Dots and Boxes ------------------------------------------------------ */
.dots-wrap { display: grid; place-items: center; margin-bottom: 0.9rem; }
.dots-board { width: 100%; max-width: 460px; touch-action: manipulation; cursor: pointer; }
.dots-board .line-bg { fill: color-mix(in srgb, var(--muted) 22%, transparent); }
.dots-board .dot { fill: var(--muted); }
.dots-board .p1 { fill: var(--sky); }
.dots-board .p2 { fill: var(--sun); }
.dots-board .box-p1 { fill: color-mix(in srgb, var(--sky) 26%, transparent); }
.dots-board .box-p2 { fill: color-mix(in srgb, var(--sun) 26%, transparent); }
.dots-board text { font-weight: 700; font-size: 13px; text-anchor: middle; dominant-baseline: central; }
.dots-board .label-p1 { fill: var(--sky); }
.dots-board .label-p2 { fill: var(--sun); }

/* Sky Quiz ------------------------------------------------------------ */
.quiz-q {
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0.3rem 0 1rem;
}
.quiz-options { display: grid; gap: 0.55rem; }
.quiz-option {
  text-align: left;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  line-height: 1.3;
}
.quiz-option .key {
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 8px;
  background: var(--surface-2);
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  color: var(--muted);
}
.quiz-option.is-right {
  border-color: var(--mint);
  background: color-mix(in srgb, var(--mint) 18%, transparent);
}
.quiz-option.is-wrong {
  border-color: var(--coral);
  background: color-mix(in srgb, var(--coral) 16%, transparent);
}
.quiz-fact {
  margin-top: 0.9rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}
.quiz-fact strong { color: var(--text); }
.quiz-progress {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0.6rem;
}
.quiz-progress span {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: var(--surface-2);
}
.quiz-progress span.done { background: var(--accent); }
.quiz-progress span.miss { background: color-mix(in srgb, var(--coral) 70%, transparent); }

/* Word Wings ---------------------------------------------------------- */
.word-current {
  min-height: 2.6rem;
  margin-top: 0.2rem;
  display: grid;
  place-items: center;
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.word-current .placeholder { color: var(--muted); font-size: 0.95rem; letter-spacing: 0.02em; text-transform: none; font-weight: 500; }
.word-flash { text-align: center; min-height: 1.4rem; font-size: 0.9rem; font-weight: 600; margin-bottom: 0.4rem; }
.word-flash.good { color: var(--mint); }
.word-flash.bad { color: var(--coral); }
.letter-row { display: flex; justify-content: center; gap: 0.32rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.letter-btn {
  width: 42px;
  height: 50px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
  font-size: 1.3rem;
  font-weight: 800;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.1s ease, opacity 0.1s ease;
}
.letter-btn:active { transform: scale(0.92); }
.letter-btn.is-used { opacity: 0.28; }
.helper-row .btn-quiet { font-size: 0.82rem; padding: 0.5rem 0.3rem; }

.found-panel { max-height: 46vh; overflow-y: auto; -webkit-overflow-scrolling: touch; }

.found-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 0.35rem;
  margin-top: 0.6rem;
}
.found-word {
  font-size: 0.85rem;
  padding: 0.3rem 0.4rem;
  border-radius: 8px;
  background: var(--surface-2);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.found-word.is-blank { color: var(--muted); letter-spacing: 0.2em; }
.found-word.is-full { background: color-mix(in srgb, var(--sun) 26%, transparent); font-weight: 700; }
.found-word.is-revealed {
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--muted);
  font-style: italic;
}

/* Airport Bingo -------------------------------------------------------- */
.bingo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}
.bingo-cell {
  position: relative;
  aspect-ratio: 1;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-size: 0.68rem;
  line-height: 1.2;
  font-weight: 600;
  padding: 0.3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  text-align: center;
  cursor: pointer;
  transition: transform 0.12s ease;
  overflow: hidden;
}
.bingo-cell .emoji { font-size: 1.2rem; }
.bingo-cell:active { transform: scale(0.94); }
.bingo-cell.is-ticked {
  background: color-mix(in srgb, var(--accent) 24%, transparent);
  border-color: var(--accent);
}
.bingo-cell.is-ticked::after {
  content: "✓";
  position: absolute;
  top: 3px;
  right: 6px;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent);
}
.bingo-cell.is-ticked .emoji { opacity: 0.45; }
.bingo-cell.in-line { box-shadow: inset 0 0 0 2px var(--accent); }

@media (max-width: 360px) {
  .bingo-cell { font-size: 0.6rem; }
  .letter-btn { width: 40px; height: 46px; font-size: 1.1rem; }
}

/* --------------------------------------------------------------- motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }