/* Numbat Maths — design system
   Palette: warm Australian — cream sand, eucalyptus, sunset orange, sky.
   Type: Fredoka (display + UI), Nunito (long-form parent text). Both bundled. */

@font-face {
  font-family: "Fredoka";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("../assets/fonts/Fredoka-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Nunito";
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url("../assets/fonts/Nunito-latin.woff2") format("woff2");
}

:root {
  --cream: #fff8ec;
  --sand: #f7e9d2;
  --sand-deep: #ecd9b8;
  --ink: #2b2740;
  --ink-soft: #6d6886;
  --ink-faint: #a9a5bd;
  --white: #ffffff;
  --orange: #ff8c42;
  --orange-deep: #e06a2a;
  --orange-soft: #ffe3d0;
  --green: #3fb984;
  --green-deep: #2d9668;
  --green-soft: #d6f3e5;
  --blue: #4d9eeb;
  --blue-deep: #2f7fcb;
  --blue-soft: #d9ebfc;
  --yellow: #ffd23f;
  --yellow-deep: #e2b41a;
  --yellow-soft: #fff3c4;
  --pink: #ff7ea8;
  --pink-deep: #e25a86;
  --pink-soft: #ffdfe9;
  --purple: #9b7cf0;
  --purple-deep: #7a5bd1;
  --purple-soft: #e8e1fb;
  --red: #f0605c;

  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-card: 0 12px 32px rgba(43, 39, 64, 0.1), 0 2px 6px rgba(43, 39, 64, 0.05);
  --shadow-float: 0 18px 40px rgba(43, 39, 64, 0.18);
  --font-display: "Fredoka", "Nunito", system-ui, -apple-system, sans-serif;
  --font-body: "Nunito", "Fredoka", system-ui, -apple-system, sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --ease-pop: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.3;
  -webkit-text-size-adjust: 100%;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  overscroll-behavior: none;
  touch-action: manipulation;
}
body { position: fixed; inset: 0; width: 100%; }

img, svg { display: block; }
button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  touch-action: manipulation;
}
input { font: inherit; }

#app {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* ---------- Backdrop (soft Australian landscape) ---------- */
.backdrop {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(1200px 600px at 50% -200px, #ffe8c7 0%, rgba(255, 232, 199, 0) 70%),
    linear-gradient(180deg, #fff8ec 0%, #fdf0d8 100%);
}
.backdrop svg { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: auto; }

/* ---------- Screens ---------- */
.screen {
  position: absolute; inset: 0; z-index: 1;
  display: flex; flex-direction: column;
  padding: calc(var(--safe-top) + 12px) calc(var(--safe-right) + 16px) calc(var(--safe-bottom) + 12px) calc(var(--safe-left) + 16px);
  opacity: 0; transform: translateY(14px) scale(0.99);
  transition: opacity 0.32s var(--ease-out), transform 0.32s var(--ease-out);
  pointer-events: none;
}
.screen.is-active { opacity: 1; transform: none; pointer-events: auto; }
.screen.is-leaving { opacity: 0; transform: translateY(-10px) scale(0.99); pointer-events: none; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--orange);
  --btn-edge: var(--orange-deep);
  --btn-fg: #fff;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 64px; padding: 0 30px;
  border-radius: 22px;
  background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 600; font-size: 1.35rem; letter-spacing: 0.01em;
  box-shadow: 0 6px 0 var(--btn-edge), 0 10px 20px rgba(43, 39, 64, 0.12);
  transform: translateY(0);
  transition: transform 0.08s ease, box-shadow 0.08s ease, opacity 0.2s, filter 0.2s;
  white-space: nowrap;
}
.btn:active, .btn.is-pressed { transform: translateY(5px); box-shadow: 0 1px 0 var(--btn-edge), 0 4px 10px rgba(43, 39, 64, 0.1); }
.btn[disabled], .btn.is-disabled { opacity: 0.45; filter: saturate(0.6); pointer-events: none; }
.btn.btn-green { --btn-bg: var(--green); --btn-edge: var(--green-deep); }
.btn.btn-blue { --btn-bg: var(--blue); --btn-edge: var(--blue-deep); }
.btn.btn-yellow { --btn-bg: var(--yellow); --btn-edge: var(--yellow-deep); --btn-fg: var(--ink); }
.btn.btn-purple { --btn-bg: var(--purple); --btn-edge: var(--purple-deep); }
.btn.btn-pink { --btn-bg: var(--pink); --btn-edge: var(--pink-deep); }
.btn.btn-ghost { --btn-bg: var(--white); --btn-edge: var(--sand-deep); --btn-fg: var(--ink); }
.btn.btn-xl { min-height: 80px; font-size: 1.7rem; padding: 0 40px; border-radius: 28px; }
.btn.btn-sm { min-height: 48px; font-size: 1.05rem; padding: 0 18px; border-radius: 16px; box-shadow: 0 4px 0 var(--btn-edge), 0 6px 14px rgba(43, 39, 64, 0.1); }
.btn.btn-sm:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--btn-edge); }
.btn svg { width: 1.4em; height: 1.4em; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 60px; height: 60px; border-radius: 20px;
  background: var(--white); color: var(--ink-soft);
  box-shadow: 0 4px 0 var(--sand-deep), 0 8px 16px rgba(43, 39, 64, 0.08);
  transition: transform 0.08s ease, box-shadow 0.08s ease, color 0.2s;
}
.icon-btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--sand-deep); }
.icon-btn svg { width: 30px; height: 30px; }
.icon-btn.is-talking { color: var(--blue); animation: talk 0.9s ease-in-out infinite; }
@keyframes talk { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 14px;
  min-height: 64px; flex: 0 0 auto;
}
.topbar .spacer { flex: 1; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  height: 52px; padding: 0 18px 0 12px; border-radius: 18px;
  background: var(--white); box-shadow: 0 4px 0 var(--sand-deep), 0 8px 16px rgba(43, 39, 64, 0.06);
  font-weight: 600; font-size: 1.2rem;
}
.pill svg { width: 30px; height: 30px; }

/* ---------- Home ---------- */
.home-hero {
  display: flex; align-items: center; gap: 20px;
  padding: 8px 8px 0; flex: 0 0 auto;
}
.pip-home { overflow-y: auto; touch-action: pan-y; -webkit-overflow-scrolling: touch; padding-right: calc(var(--safe-right) + 122px); }
.home-hero .mascot { width: clamp(110px, 16vmin, 170px); height: auto; flex: 0 0 auto; }
.home-hero h1 { margin: 0; font-size: clamp(1.9rem, 4.5vmin, 2.8rem); font-weight: 700; line-height: 1.1; }
.home-hero p { margin: 6px 0 0; font-size: clamp(1.05rem, 2.4vmin, 1.35rem); color: var(--ink-soft); font-weight: 500; }
.speech-bubble {
  position: relative; background: var(--white); border-radius: 24px; padding: 18px 24px;
  box-shadow: var(--shadow-card); max-width: 560px;
}
.speech-bubble::before {
  content: ""; position: absolute; left: -12px; top: 50%; width: 24px; height: 24px;
  background: var(--white); transform: translateY(-50%) rotate(45deg); border-radius: 6px;
}

.world {
  flex: 0 0 auto; min-height: 0;
  display: grid; gap: clamp(12px, 2.2vmin, 22px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: clamp(138px, 20vh, 180px);
  padding: 14px 6px 6px;
}
.resume-card, .adventure-card {
  flex: 0 0 auto; display: flex; align-items: center; gap: 14px; width: 100%;
  border-radius: 22px; padding: 12px 16px; background: var(--white);
  box-shadow: 0 5px 0 var(--sand-deep), var(--shadow-card); text-align: left;
}
.resume-card { justify-content: space-between; background: var(--yellow-soft); }
.resume-copy, .adventure-copy { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.resume-copy b, .adventure-copy b { font-family: var(--font-display); font-size: 1.2rem; }
.resume-copy span, .adventure-copy small { color: var(--ink-soft); font-weight: 600; }
.resume-actions { display: flex; align-items: center; gap: 10px; }
.resume-actions .btn { min-height: 50px; padding: 0 18px; font-size: 1rem; border-radius: 16px; }
.adventure-card { background: linear-gradient(135deg, var(--purple-soft), var(--blue-soft)); }
.adventure-mark { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 17px; background: var(--purple); color: #fff; font-size: 1.5rem; font-weight: 800; box-shadow: 0 4px 0 var(--purple-deep); }
.adventure-go { width: 34px; height: 34px; color: var(--purple-deep); }
.adventure-go svg { width: 100%; height: 100%; }
.adventure-card[disabled], .island[disabled] { opacity: .52; filter: saturate(.55); }
.island {
  --island: var(--orange); --island-deep: var(--orange-deep); --island-soft: var(--orange-soft);
  position: relative; display: flex; flex-direction: column; align-items: stretch;
  border-radius: var(--radius-xl); background: var(--white);
  box-shadow: 0 8px 0 var(--sand-deep), var(--shadow-card);
  overflow: hidden; text-align: left; min-height: 0;
  transition: transform 0.12s var(--ease-pop), box-shadow 0.12s ease;
}
.island:active { transform: translateY(4px) scale(0.99); box-shadow: 0 3px 0 var(--sand-deep), var(--shadow-card); }
.island.is-hero { outline: 4px solid var(--yellow); outline-offset: -4px; }
.island .island-art {
  flex: 1 1 auto; min-height: 0; background: var(--island-soft);
  display: flex; align-items: center; justify-content: center; padding: 10px;
}
.island .island-art svg { width: 100%; height: 100%; max-width: 320px; max-height: 100%; }
.island .island-body { padding: 14px 18px 16px; display: flex; flex-direction: column; gap: 8px; flex: 0 0 auto; }
.island h2 { margin: 0; font-size: clamp(1.15rem, 2.6vmin, 1.6rem); font-weight: 700; line-height: 1.1; }
.island .island-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--ink-soft); font-size: 0.95rem; font-weight: 500; }
.island .tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: var(--yellow); color: var(--ink); font-weight: 700; font-size: 0.85rem;
  padding: 6px 12px; border-radius: 999px; box-shadow: 0 3px 0 var(--yellow-deep);
}
.levels { display: inline-flex; gap: 4px; }
.levels i { width: 12px; height: 12px; border-radius: 50%; background: var(--sand-deep); display: block; }
.levels i.on { background: var(--island); }

@media (orientation: landscape) {
  .island { flex-direction: row; }
  .island .island-art { flex: 0 0 44%; padding: 14px; }
  .island .island-body { flex: 1 1 auto; justify-content: center; padding: 18px 20px 18px 8px; gap: 10px; }
  .island h2 { font-size: clamp(1.3rem, 3.2vmin, 1.9rem); }
  .island .island-meta { flex-direction: column; align-items: flex-start; gap: 10px; font-size: 1.05rem; }
}

/* ---------- Quest (task runner) ---------- */
.quest { gap: 10px; }
.mission-strip { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 16px; border-radius: 16px; background: var(--purple-soft); color: var(--purple-deep); font-weight: 700; }
.mission-strip span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mission-strip b { text-align: right; }
.progress {
  flex: 1 1 auto; display: flex; gap: 6px; height: 16px; align-items: stretch;
}
.progress i {
  flex: 1; border-radius: 999px; background: var(--sand-deep); display: block;
  position: relative; overflow: hidden;
}
.progress i.done { background: var(--green); }
.progress i.cur::after {
  content: ""; position: absolute; inset: 0; background: var(--orange);
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.55; } 50% { opacity: 1; } }

.prompt {
  display: flex; align-items: center; gap: 14px; flex: 0 0 auto;
  padding: 6px 4px;
}
.prompt .mascot-sm { width: clamp(70px, 11vmin, 100px); height: auto; flex: 0 0 auto; }
.prompt .speech-bubble { flex: 1 1 auto; max-width: none; padding: 14px 20px; min-height: 68px; display: flex; align-items: center; gap: 14px; }
.prompt .speech-bubble p { margin: 0; flex: 1; font-size: clamp(1.2rem, 2.8vmin, 1.7rem); font-weight: 600; line-height: 1.25; }
.prompt .speech-bubble.is-happy { background: var(--green-soft); }
.prompt .speech-bubble.is-happy::before { background: var(--green-soft); }
.prompt .speech-bubble.is-hint { background: var(--yellow-soft); }
.prompt .speech-bubble.is-hint::before { background: var(--yellow-soft); }

.stage {
  flex: 1 1 auto; min-height: 0; position: relative;
  display: flex; flex-direction: column; align-items: stretch; justify-content: center;
  gap: 12px;
}
.stage-inner { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; justify-content: center; gap: 12px; }
.stage.shake { animation: shake 0.45s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-10px); } 40% { transform: translateX(9px); }
  60% { transform: translateX(-6px); } 80% { transform: translateX(4px); }
}

.actions { display: flex; justify-content: center; gap: 14px; flex: 0 0 auto; min-height: 72px; align-items: center; }
.demo-help-button { margin-right: auto; }
.demo-help-button.is-offered { animation: demoOffer 1.1s ease-in-out infinite; outline: 4px solid var(--yellow); outline-offset: 2px; }
@keyframes demoOffer { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
.demo-overlay { position: absolute; left: 0; right: 0; top: calc(var(--safe-top) + 82px); bottom: 0; z-index: 70; display: grid; place-items: center; padding: 12px calc(var(--safe-right) + 14px) calc(var(--safe-bottom) + 12px) calc(var(--safe-left) + 14px); background: rgba(255,248,236,.94); backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px); }
.demo-shell { width: min(920px, 100%); max-height: 100%; overflow: auto; touch-action: pan-y; }
.quest.is-demo-open > .stage, .quest.is-demo-open > .actions { pointer-events: none; }

/* Choice buttons (answers) */
.choices { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.choice {
  position: relative;
  min-width: 110px; min-height: 92px; padding: 10px 24px; border-radius: 26px;
  background: var(--white); color: var(--ink);
  font-size: 2.4rem; font-weight: 700;
  box-shadow: 0 7px 0 var(--sand-deep), var(--shadow-card);
  transition: transform 0.1s var(--ease-pop), box-shadow 0.1s, background 0.2s;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
}
.choice:active { transform: translateY(5px); box-shadow: 0 2px 0 var(--sand-deep); }
.choice.is-right { background: var(--green); color: #fff; box-shadow: 0 7px 0 var(--green-deep); animation: popin 0.4s var(--ease-pop); }
.choice.is-right::after {
  content: ""; position: absolute; inset: -6px; border-radius: inherit; pointer-events: none;
  border: 4px solid var(--yellow); opacity: 0;
  box-shadow: 0 0 0 0 rgba(255, 210, 63, 0.5), 0 0 18px rgba(255, 210, 63, 0.6);
  animation: sparkle-ring 0.7s var(--ease-out) 0.05s;
}
@keyframes sparkle-ring { 0% { opacity: 0.95; transform: scale(0.92); } 100% { opacity: 0; transform: scale(1.28); } }
.stage.is-win { border-radius: var(--radius-xl); animation: win-glow 1.6s var(--ease-out) both; }
@keyframes win-glow { 0% { box-shadow: inset 0 0 0 rgba(255, 210, 63, 0); } 30% { box-shadow: inset 0 0 70px rgba(255, 210, 63, 0.32); } 100% { box-shadow: inset 0 0 46px rgba(255, 210, 63, 0.16); } }
.choice.is-wrong { background: var(--sand); color: var(--ink-faint); box-shadow: 0 7px 0 var(--sand-deep); }
.choice.is-dim { opacity: 0.35; pointer-events: none; }
.choice.is-text { font-size: 1.5rem; }
@keyframes popin { 0% { transform: scale(0.9); } 60% { transform: scale(1.08); } 100% { transform: scale(1); } }

/* ---------- Draggables & drop zones ---------- */
.item {
  position: relative; width: var(--item, 64px); height: var(--item, 64px);
  touch-action: none; will-change: transform; flex: 0 0 auto;
  filter: drop-shadow(0 3px 2px rgba(43, 39, 64, 0.15));
  transition: transform 0.25s var(--ease-out);
}
.item svg { width: 100%; height: 100%; pointer-events: none; }
.item.is-dragging, .item.is-lifted { z-index: 50; transition: none; filter: drop-shadow(0 16px 10px rgba(43, 39, 64, 0.26)) drop-shadow(0 2px 2px rgba(43, 39, 64, 0.12)); }
/* Picked (tap-to-pick): a halo plus a gentle bob on the INNER svg. Never animate `transform` on the
   draggable itself: it would override the drag transform (items "stuck magnified" / "won't move"). */
.item.is-picked { filter: drop-shadow(0 0 0 var(--blue)) drop-shadow(0 6px 8px rgba(77, 158, 235, 0.55)) drop-shadow(0 0 5px rgba(77, 158, 235, 0.7)); outline: 3px solid rgba(77, 158, 235, 0.55); outline-offset: 3px; border-radius: 16px; }
.item.is-picked > svg, .item.is-picked > .block-ten, .item.is-picked > .block-one { animation: pick-bob 0.8s ease-in-out infinite; }
@keyframes pick-bob { 0%, 100% { transform: rotate(-3deg) scale(1.02); } 50% { transform: rotate(3deg) scale(1.04); } }
.item, .stage { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; -webkit-user-drag: none; }
.item { touch-action: none; }
.stage { touch-action: none; }
#drag-layer { position: fixed; inset: 0; z-index: 60; pointer-events: none; overflow: visible; }
.drag-ghost { position: fixed; margin: 0; pointer-events: none; will-change: transform; }
.item.is-settling { transition: transform 0.35s var(--ease-pop); }

.tray {
  display: flex; flex-wrap: wrap; justify-content: center; align-content: center; gap: 8px;
  min-height: calc(var(--item, 64px) + 24px); padding: 10px 14px;
  background: rgba(255, 255, 255, 0.78); border-radius: 24px;
  border: 3px dashed var(--sand-deep); flex: 0 0 auto;
  transition: background 0.2s, border-color 0.2s;
}
.tray.is-empty { border-style: dashed; opacity: 0.6; }

.drop {
  position: relative; transition: transform 0.3s var(--ease-pop), box-shadow 0.15s;
}
.drop.is-over { transform: scale(1.06); }
.tray.drop.is-over { transform: scale(1.015); background: rgba(255, 255, 255, 0.95); border-color: var(--blue); }
.drop.did-receive { animation: receive 0.4s var(--ease-pop); }
.tray.drop.did-receive { animation: receive-soft 0.4s var(--ease-pop); }
@keyframes receive { 0% { transform: scale(1.06); } 35% { transform: scale(1.09, 0.94); } 65% { transform: scale(0.98, 1.03); } 100% { transform: scale(1); } }
@keyframes receive-soft { 0% { transform: scale(1.015); } 40% { transform: scale(1.02, 0.985); } 100% { transform: scale(1); } }
.drop.is-over .plate-dish { box-shadow: 0 0 0 6px var(--blue-soft), 0 10px 20px rgba(77, 158, 235, 0.3); }
.drop.is-glow .plate-dish { box-shadow: 0 0 0 6px var(--yellow-soft), 0 10px 20px rgba(255, 210, 63, 0.4); }
.drop.is-glow { animation: nudge 1.2s ease-in-out infinite; }
@keyframes nudge { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }

.plates {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: flex-end; gap: clamp(10px, 2vmin, 24px);
  flex: 0 0 auto; align-content: center; padding: 10px 0 18px;
}
.sharing-stage { justify-content: center; }
.plate { display: flex; flex-direction: column; align-items: center; gap: 4px; width: var(--plate-w, 200px); }
.plate .friend { width: clamp(52px, 9vmin, 84px); height: auto; }
.plate .friend .mascot-tiny { width: 100%; height: auto; }
.plate .plate-dish {
  width: 100%; min-height: var(--plate-h, 120px); border-radius: 50% / 40%;
  background: var(--white); position: relative;
  box-shadow: inset 0 0 0 10px #f1f1f6, 0 10px 0 #e6e1d6, 0 16px 24px rgba(43, 39, 64, 0.08);
  display: flex; flex-wrap: wrap; justify-content: center; align-content: center; gap: 6px; padding: 22px 26px;
  transition: box-shadow 0.2s;
}
.plate .count {
  position: absolute; right: -4px; top: -8px; min-width: 36px; height: 36px; padding: 0 10px;
  border-radius: 999px; background: var(--ink); color: #fff; font-weight: 700; font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center; opacity: 0; transform: scale(0.6);
  transition: opacity 0.25s, transform 0.25s var(--ease-pop); z-index: 3;
}
.plate .count.on { opacity: 1; transform: scale(1); }
.plate .count.is-pop { animation: count-pop 0.42s var(--ease-pop); }
@keyframes count-pop { 0% { transform: scale(1); } 35% { transform: scale(1.4); } 70% { transform: scale(0.93); } 100% { transform: scale(1); } }
.plate .count.is-odd { background: var(--red); }
.plate .count.is-even { background: var(--green); }
.plate .label { font-weight: 600; color: var(--ink-soft); font-size: 1rem; }
.plate.basket .plate-dish { border-radius: 24px 24px 36px 36px; background: #ffe9c7; box-shadow: inset 0 0 0 6px #f7d9a6, 0 8px 0 #dcb97a; }

/* Group hoops (equal groups) */
.hoop .plate-dish { border-radius: 50%; min-height: var(--plate-h, 140px); background: #fff; box-shadow: inset 0 0 0 7px var(--blue-soft), 0 6px 0 #e1e6ee; }
.hoop.is-full .plate-dish { box-shadow: inset 0 0 0 7px var(--green), 0 6px 0 #e1e6ee; }

/* Ten frame */
.tenframe {
  display: grid; grid-template-columns: repeat(5, var(--cell, 64px)); grid-template-rows: repeat(2, var(--cell, 64px));
  gap: 6px; padding: 8px; background: var(--white); border-radius: 18px;
  box-shadow: 0 6px 0 var(--sand-deep), var(--shadow-card);
}
.tenframe .cell { border-radius: 12px; background: var(--sand); border: 2px solid var(--sand-deep); display: flex; align-items: center; justify-content: center; position: relative; }
.tenframe .cell.is-over { background: var(--blue-soft); border-color: var(--blue); }
.counter {
  width: 78%; height: 78%; border-radius: 50%; background: var(--counter, var(--orange));
  box-shadow: inset -4px -6px 0 rgba(0, 0, 0, 0.12), 0 3px 4px rgba(43, 39, 64, 0.2);
  animation: popin 0.3s var(--ease-pop);
}
.counter.is-blue { --counter: var(--blue); }
.counter.is-green { --counter: var(--green); }
.counter.is-purple { --counter: var(--purple); }
.counter.is-pink { --counter: var(--pink); }
.counter.is-ghost { background: transparent; box-shadow: inset 0 0 0 3px var(--ink-faint); opacity: 0.5; animation: none; }

/* Number track / chart */
.track { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.cellnum {
  width: var(--cell, 64px); height: var(--cell, 64px); border-radius: 16px;
  background: var(--white); color: var(--ink); font-weight: 700; font-size: calc(var(--cell, 64px) * 0.42);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 0 var(--sand-deep), 0 6px 12px rgba(43, 39, 64, 0.06);
  transition: transform 0.1s var(--ease-pop), background 0.2s, color 0.2s;
}
.cellnum:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--sand-deep); }
.cellnum.is-blank { background: var(--yellow-soft); color: var(--yellow-deep); box-shadow: 0 4px 0 var(--yellow-deep); }
.cellnum.is-right { background: var(--green); color: #fff; box-shadow: 0 4px 0 var(--green-deep); animation: popin 0.4s var(--ease-pop); }
.cellnum.is-wrong { background: var(--sand); color: var(--ink-faint); }
.cellnum.is-hint { background: var(--yellow); box-shadow: 0 4px 0 var(--yellow-deep); animation: nudge 1s ease-in-out infinite; }
.cellnum.is-tens { background: var(--blue-soft); }
.chart120 {
  display: grid; grid-template-columns: repeat(10, var(--cell, 56px)); gap: 6px; justify-content: center;
  --cell: min(8vmin, 56px);
}
.chart120 .cellnum { border-radius: 12px; font-size: calc(var(--cell) * 0.4); }

/* Base-ten blocks */
.block-ten { width: var(--unit, 22px); height: calc(var(--unit, 22px) * 10 + 18px); border-radius: 8px; background: var(--blue); position: relative;
  box-shadow: inset 0 0 0 2px var(--blue-deep); background-image: repeating-linear-gradient(180deg, transparent 0, transparent calc(var(--unit, 22px) + 2px), var(--blue-deep) calc(var(--unit, 22px) + 2px), var(--blue-deep) calc(var(--unit, 22px) + 4px)); }
.block-one { width: var(--unit, 22px); height: var(--unit, 22px); border-radius: 6px; background: var(--orange); box-shadow: inset 0 0 0 2px var(--orange-deep); }
.block-ten.is-flat { width: calc(var(--unit, 22px) * 10 + 18px); height: var(--unit, 22px); background-image: repeating-linear-gradient(90deg, transparent 0, transparent calc(var(--unit, 22px) + 2px), var(--blue-deep) calc(var(--unit, 22px) + 2px), var(--blue-deep) calc(var(--unit, 22px) + 4px)); }

.mat { display: flex; gap: 16px; flex: 1 1 auto; min-height: 0; }
.mat .mat-col {
  flex: 1 1 0; background: var(--white); border-radius: 24px; padding: 14px;
  box-shadow: 0 6px 0 var(--sand-deep), var(--shadow-card);
  display: flex; flex-direction: column; gap: 8px; min-height: 0;
}
.mat .mat-col h3 { margin: 0; font-size: 1.15rem; color: var(--ink-soft); text-align: center; font-weight: 600; }
.mat .mat-col .mat-zone { flex: 1 1 auto; min-height: 120px; display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start; justify-content: center; border-radius: 16px; background: var(--sand); padding: 10px; transition: background 0.2s; }
.mat .mat-col .mat-zone.is-over { background: var(--blue-soft); }
.mat .mat-col .big { font-size: 2.6rem; font-weight: 700; text-align: center; min-height: 1.2em; }
.mat .mat-col.tens .big { color: var(--blue-deep); }
.mat .mat-col.ones .big { color: var(--orange-deep); }

/* Equation display */
.equation { display: flex; align-items: center; justify-content: center; gap: 14px; font-size: clamp(2.2rem, 6vmin, 3.6rem); font-weight: 700; color: var(--ink); }
.equation .box { min-width: 1.4em; height: 1.4em; border-radius: 18px; background: var(--yellow-soft); border: 3px dashed var(--yellow-deep); display: inline-flex; align-items: center; justify-content: center; color: var(--yellow-deep); }
.equation .box.is-filled { background: var(--green); color: #fff; border-style: solid; border-color: var(--green-deep); animation: popin 0.4s var(--ease-pop); }
.equation .op { color: var(--ink-soft); }

/* Part-part-whole */
.ppw { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 12px; justify-items: center; max-width: 480px; margin: 0 auto; }
.ppw .whole { grid-column: 1 / span 2; }
.ppw .bubble { width: clamp(120px, 18vmin, 170px); height: clamp(120px, 18vmin, 170px); border-radius: 50%; background: var(--white); box-shadow: 0 8px 0 var(--sand-deep), var(--shadow-card); display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 3rem; font-weight: 700; }
.ppw .bubble.whole { background: var(--purple-soft); color: var(--purple-deep); box-shadow: 0 8px 0 var(--purple); }
.ppw .bubble.is-blank { background: var(--yellow-soft); color: var(--yellow-deep); border: 4px dashed var(--yellow-deep); }
.ppw .bubble.is-filled { background: var(--green); color: #fff; box-shadow: 0 8px 0 var(--green-deep); animation: popin 0.4s var(--ease-pop); }
.ppw .bubble small { font-size: 0.9rem; color: var(--ink-soft); font-weight: 600; }

/* Sentence (the "explain" step) */
.sentence { text-align: center; font-size: clamp(1.4rem, 3.4vmin, 2.1rem); font-weight: 600; color: var(--ink); padding: 8px 0; }
.sentence b { color: var(--orange-deep); }

/* Reasoning challenges */
.challenge-card { width: min(720px, 100%); margin: auto; display: flex; flex-direction: column; align-items: center; gap: 18px; padding: clamp(18px, 3vmin, 30px); border-radius: 28px; background: var(--white); box-shadow: var(--shadow-card); }
.challenge-label { margin: 0; color: var(--ink-soft); font-weight: 700; font-size: 1.1rem; }
.challenge-equation { font-family: var(--font-display); font-size: clamp(2.4rem, 7vmin, 4.4rem); font-weight: 800; padding: 12px 24px; border-radius: 20px; background: var(--yellow-soft); }
.challenge-objects { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; max-width: 580px; padding: 10px; border-radius: 20px; background: var(--sand); }
.challenge-object { width: clamp(44px, 7vmin, 68px); height: clamp(44px, 7vmin, 68px); }
.challenge-object svg { width: 100%; height: 100%; }
.challenge-hint { outline: 5px solid var(--yellow); animation: pulse 1.1s ease-in-out infinite; }
.challenge-answer { color: var(--green-deep); font-weight: 800; }

/* ---------- Summary / done ---------- */
.center-card {
  margin: auto; width: min(680px, 100%); max-height: 100%; overflow-y: auto; background: var(--white); border-radius: var(--radius-xl);
  box-shadow: 0 10px 0 var(--sand-deep), var(--shadow-card); padding: clamp(16px, 3vmin, 36px);
  display: flex; flex-direction: column; align-items: center; gap: clamp(8px, 1.6vmin, 16px); text-align: center;
}
.summary .center-card { width: min(760px, 100%); }
.mission-intro { width: min(820px, 100%) !important; }
.mission-stages { width: 100%; margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; counter-reset: mission; }
.mission-stages li { counter-increment: mission; position: relative; display: flex; flex-direction: column; gap: 5px; padding: 16px; border-radius: 20px; background: var(--purple-soft); text-align: left; }
.mission-stages li::before { content: counter(mission); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; background: var(--purple); color: #fff; font-weight: 800; }
.mission-stages span { color: var(--ink-soft); font-size: .95rem; line-height: 1.3; }
.chapter-picker-card { width: min(980px, 100%) !important; }
.chapter-picker-card > .mascot { width: clamp(80px, 13vmin, 130px); }
.chapter-grid { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.chapter-card { display: grid; grid-template-columns: auto 1fr; grid-template-rows: 1fr auto; gap: 10px 14px; padding: 16px; border-radius: 22px; background: linear-gradient(135deg, var(--purple-soft), var(--blue-soft)); text-align: left; }
.chapter-number { grid-row: 1 / span 2; align-self: start; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--purple); color: #fff; font-weight: 800; box-shadow: 0 4px 0 var(--purple-deep); }
.chapter-copy h2 { margin: 0; font-size: 1.3rem; }
.chapter-copy p { margin: 4px 0; font-size: .95rem; line-height: 1.25; }
.chapter-copy small { color: var(--purple-deep); font-weight: 800; }
.chapter-card .btn { grid-column: 2; justify-self: start; }
.summary .reward-row { display: flex; align-items: center; justify-content: center; gap: 24px; flex-wrap: wrap; }
.center-card h1 { margin: 0; font-size: clamp(2rem, 5vmin, 3rem); font-weight: 700; }
.center-card p { margin: 0; font-size: 1.25rem; color: var(--ink-soft); font-weight: 500; }
.center-card .mascot { width: clamp(110px, 20vmin, 200px); }
.stars-row { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; max-width: 520px; }
.stars-row svg { width: clamp(28px, 5vmin, 44px); height: auto; animation: popin 0.5s var(--ease-pop) both; }
.sticker-reveal { width: clamp(110px, 18vmin, 170px); height: auto; animation: popin 0.6s var(--ease-pop) both; }

/* Sticker book */
.sticker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); grid-auto-rows: max-content; align-content: start; gap: 16px; overflow-y: auto; touch-action: pan-y; padding: 6px; flex: 1 1 auto; min-height: 0; -webkit-overflow-scrolling: touch; }
.sticker { background: var(--white); border-radius: 24px; padding: 14px 10px; display: flex; flex-direction: column; align-items: center; gap: 6px; box-shadow: 0 6px 0 var(--sand-deep), var(--shadow-card); }
.sticker svg { width: 90px; height: 90px; }
.sticker span { font-weight: 600; font-size: 1rem; color: var(--ink-soft); }
.sticker.is-locked { opacity: 0.7; }
.sticker.is-locked svg { filter: grayscale(1) opacity(0.55); }
.sticker.is-new { animation: popin 0.6s var(--ease-pop); outline: 4px solid var(--yellow); }

/* ---------- First run ---------- */
.name-input {
  width: min(420px, 100%); height: 72px; border-radius: 22px; border: 4px solid var(--sand-deep);
  background: var(--cream); text-align: center; font-size: 2rem; font-weight: 600; color: var(--ink);
  outline: none; -webkit-user-select: text; user-select: text; padding: 0 20px;
}
.name-input:focus { border-color: var(--orange); }

/* ---------- Parent view ---------- */
.parent { font-family: var(--font-body); }
.parent .panel { flex: 1 1 auto; min-height: 0; overflow-y: auto; touch-action: pan-y; -webkit-overflow-scrolling: touch; padding: 4px 4px 24px; display: flex; flex-direction: column; gap: 16px; }
.parent .card { background: var(--white); border-radius: 22px; padding: 18px 20px; box-shadow: var(--shadow-card); }
.parent h2 { margin: 0 0 10px; font-family: var(--font-display); font-size: 1.3rem; }
.parent p { margin: 0 0 8px; font-size: 1.02rem; line-height: 1.5; color: var(--ink); }
.parent .muted { color: var(--ink-soft); }
.parent .stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.parent .stat { background: var(--sand); border-radius: 16px; padding: 12px; text-align: center; }
.parent .stat b { display: block; font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; }
.parent .stat span { font-size: 0.85rem; color: var(--ink-soft); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.skillrow { display: grid; grid-template-columns: 1fr 120px 60px; align-items: center; gap: 12px; padding: 8px 0; border-top: 1px solid var(--sand); }
.skillrow:first-of-type { border-top: 0; }
.skillrow .name { font-weight: 700; }
.skillrow .sub { font-size: 0.85rem; color: var(--ink-soft); }
.bar { height: 12px; border-radius: 999px; background: var(--sand); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 999px; background: var(--green); }
.bar i.mid { background: var(--yellow); }
.bar i.low { background: var(--red); }
.skillrow .pct { text-align: right; font-weight: 800; font-family: var(--font-display); }
.parent ul { margin: 0; padding-left: 20px; }
.parent li { margin: 4px 0; line-height: 1.45; }
.parent .danger { color: var(--red); font-weight: 700; }
.focus-choices { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; }
.focus-choice { min-height: 46px; padding: 9px 15px; border-radius: 15px; background: var(--sand); color: var(--ink); font-weight: 700; border: 3px solid transparent; }
.focus-choice.is-on { background: var(--blue-soft); border-color: var(--blue); color: var(--blue-deep); }
.focus-choice:focus-visible { outline: 4px solid var(--yellow); outline-offset: 2px; }
.focus-status { padding: 11px 14px; border-radius: 14px; background: var(--cream); font-weight: 700; }
.focus-card .btn[hidden] { display: none; }
.gate-hold { position: relative; overflow: hidden; }
.gate-hold .fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: rgba(255, 255, 255, 0.35); transition: width 0.1s linear; }

/* ---------- Mascot animation ---------- */
.mascot, .mascot-sm { transform-origin: 50% 90%; }
.mascot.is-bounce, .mascot-sm.is-bounce { animation: bounce 0.6s var(--ease-pop); }
@keyframes bounce { 0% { transform: translateY(0) scale(1); } 30% { transform: translateY(-14px) scale(1.05, 0.95); } 60% { transform: translateY(0) scale(0.97, 1.03); } 100% { transform: none; } }
.mascot.is-idle, .mascot-sm.is-idle { animation: breathe 3.2s ease-in-out infinite; }
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.02, 0.985); } }
.mascot .tail, .mascot-sm .tail { transform-origin: 20% 80%; animation: tailwag 2.6s ease-in-out infinite; }
@keyframes tailwag { 0%, 100% { transform: rotate(0deg); } 50% { transform: rotate(-6deg); } }

/* ---------- Confetti ---------- */
#fx { position: absolute; inset: 0; z-index: 90; pointer-events: none; }

/* ---------- Toast ---------- */
.toast { position: absolute; left: 50%; bottom: calc(var(--safe-bottom) + 24px); transform: translate(-50%, 20px); background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 16px; font-weight: 600; opacity: 0; transition: opacity 0.25s, transform 0.25s; z-index: 95; pointer-events: none; }
.toast.on { opacity: 1; transform: translate(-50%, 0); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

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

/* ---------- Press feedback (installPressFeedback in drag.js) ----------
   Uses the individual `scale` property so it composes with transform-based states
   (translateY on .btn, tilt on .item, breathe on .ask-pip). */
.is-pressed { animation: press-in 0.09s ease-out forwards; }
.is-released { animation: press-out 0.26s var(--ease-pop); }
@keyframes press-in { from { scale: 1; } to { scale: 0.96; } }
@keyframes press-out { 0% { scale: 0.96; } 55% { scale: 1.035; } 100% { scale: 1; } }
.btn[disabled].is-pressed, .btn.is-disabled.is-pressed { animation: none; }

/* ---------- Ask Pip (always-present voice button) ---------- */
.ask-pip {
  position: fixed; z-index: 80;
  bottom: calc(var(--safe-bottom) + 18px); right: calc(var(--safe-right) + 18px);
  width: 88px; height: 88px; border-radius: 32px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0;
  background: var(--white); color: var(--ink);
  box-shadow: 0 6px 0 var(--sand-deep), 0 14px 28px rgba(43, 39, 64, 0.16);
  animation: pip-breathe 4.2s ease-in-out infinite;
}
/* Reserve the button's corner so it never covers anything interactive: landscape screens keep a clear
   right-hand strip, portrait screens a clear bottom strip, as big as the button (88px + 18px margin + 8px air). */
:root { --pip-reserve: calc(88px + 18px + 8px); }
@media (orientation: landscape) {
  .screen:not(.first-run) { padding-right: calc(var(--safe-right) + var(--pip-reserve)); }
}
@media (orientation: portrait) {
  /* the bottom row (Check etc.) is centred, so only the stage above it needs to clear the button's top edge */
  .screen:not(.first-run) { padding-bottom: calc(var(--safe-bottom) + 40px); }
}
.ask-pip .face { width: 52px; height: 52px; margin-top: 2px; flex: 0 0 auto; }
.ask-pip .label { font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; line-height: 1; margin-top: 1px; letter-spacing: 0.01em; }
.ask-pip .hand, .ask-pip .badge {
  position: absolute; top: -8px; right: -8px; width: 34px; height: 34px; border-radius: 50%;
  background: var(--yellow); box-shadow: 0 3px 0 var(--yellow-deep), 0 4px 8px rgba(43, 39, 64, 0.15);
  display: flex; align-items: center; justify-content: center; transform-origin: 70% 90%;
  animation: pip-wave 5s ease-in-out infinite;
}
.ask-pip .hand svg, .ask-pip .badge svg { width: 22px; height: 22px; }
.ask-pip::before {
  content: ""; position: absolute; inset: -6px; border-radius: 38px; pointer-events: none; z-index: -1;
  background: radial-gradient(closest-side, rgba(77, 158, 235, 0.55), rgba(77, 158, 235, 0));
  opacity: 0;
}
.ask-pip.is-live::before { opacity: 1; inset: -14px; border-radius: 46px; animation: pip-halo 2.6s ease-in-out infinite; }
.ask-pip.is-talking::before { opacity: 1; inset: -18px; border-radius: 50px; animation: pip-halo 0.95s ease-in-out infinite; }
.ask-pip.is-live { box-shadow: 0 6px 0 var(--blue-deep), 0 14px 28px rgba(77, 158, 235, 0.3); }
@keyframes pip-breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.035); } }
@keyframes pip-wave { 0%, 82%, 100% { transform: rotate(0); } 88% { transform: rotate(14deg); } 94% { transform: rotate(-10deg); } }
@keyframes pip-halo { 0%, 100% { transform: scale(0.94); opacity: 0.55; } 50% { transform: scale(1.08); opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .ask-pip, .ask-pip .hand, .ask-pip .badge { animation: none !important; }
  .is-pressed { animation: none; scale: 0.97; }
  .item.is-picked { animation: none; }
}

/* ---------- Home: portrait (iPad 10.2" 810x1080 up to 12.9") ----------
   .world is one column of full-width rows. Robust to extra buttons stacked above it
   (all rows minmax(0, 1fr), min-height: 0 so it shrinks instead of overflowing). */
@media (orientation: portrait) {
  .home-hero { gap: 16px; padding: 4px 8px 0; }
  .home-hero .mascot { width: 120px; }
  .home-hero h1 { font-size: clamp(1.7rem, 4.2vmin, 2.3rem); }
  .home-hero p { font-size: clamp(1rem, 2.4vmin, 1.2rem); margin-top: 4px; }
  .world {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: none; grid-auto-rows: clamp(128px, 14vh, 165px);
    min-height: 0; gap: clamp(12px, 1.8vmin, 20px);
    padding: 12px 6px calc(var(--safe-bottom) + 112px);
  }
  .island { flex-direction: row; min-height: 0; }
  .island .island-art { flex: 0 0 38%; padding: 12px; }
  .island .island-art svg { max-width: none; }
  .island .island-body { flex: 1 1 auto; justify-content: center; padding: 14px 22px 14px 12px; gap: 10px; }
  .island h2 { font-size: clamp(1.4rem, 3.4vmin, 2rem); }
  .island .island-meta { flex-direction: column; align-items: flex-start; gap: 10px; font-size: clamp(1rem, 2.2vmin, 1.2rem); }
  .island .levels i { width: 14px; height: 14px; }
  .plate { --plate-w: min(42vw, 230px); }
  .resume-card { align-items: stretch; flex-direction: column; }
  .resume-actions { width: 100%; }
  .resume-actions .btn { flex: 1; }
  .mission-stages { grid-template-columns: 1fr; }
  .chapter-grid { grid-template-columns: 1fr; }
}
@media (max-height: 700px) {
  .home-hero .mascot { width: 96px; }
  .prompt .mascot-sm { width: 64px; }
}