/* Game shell styles — speaks the site's design language (site/styles.css
   tokens: Fraunces display, Outfit body, dark default + light theme,
   per-subject accents, spring easing, radius 18). Responsive by fluid
   layout, not letterboxing: DOM games reflow natively at every viewport. */

:root {
  --bg: #12151c; --bg2: #191e27; --card: #212936; --card2: #283345;
  --ink: #edeef2; --ink-soft: #a5aec0; --line: #354156;
  --subject-maths: #5aa0ff; --subject-english: #ff7088; --subject-science: #4dd889;
  --good: #6fd388; --warn: #ffb35c; --gold: #fbbf24;
  --radius: 18px;
  --spring: cubic-bezier(.34, 1.4, .44, 1);
  --shadow: 0 10px 34px rgba(0, 0, 0, .35);
}
:root { color-scheme: light dark; --lword: #e8938f; }
/* dark-first: bare :root is the dark palette; light applies via OS preference
   (unless dark is explicitly chosen) AND via an explicit light choice. */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f4f1ea; --bg2: #ece8df; --card: #fffdf8; --card2: #f7f4ec;
    --ink: #232832; --ink-soft: #6b7280; --line: #e0dbd0;
    --subject-maths: #2563eb; --subject-english: #c93855; --subject-science: #147c4f;
    --good: #2e9e52; --warn: #d97c1a; --gold: #b7791f;
    --shadow: 0 10px 30px rgba(60, 50, 30, .12);
    --lword: #c0504d;
  }
}
:root[data-theme="light"] {
  --bg: #f4f1ea; --bg2: #ece8df; --card: #fffdf8; --card2: #f7f4ec;
  --ink: #232832; --ink-soft: #6b7280; --line: #e0dbd0;
  --subject-maths: #2563eb; --subject-english: #c93855; --subject-science: #147c4f;
  --good: #2e9e52; --warn: #d97c1a; --gold: #b7791f;
  --shadow: 0 10px 30px rgba(60, 50, 30, .12);
  --lword: #c0504d;
}

* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
/* THE PAGE NEVER SCROLLS (owner, 28 Aug: the scrollbar blinking between
   scenes is annoying). body is a fixed viewport column: game area flexes,
   footer sits inside the viewport; anything that genuinely overflows
   scrolls INSIDE the stage, never at page level. */
body {
  background: var(--bg); color: var(--ink);
  font-family: 'Outfit', system-ui, sans-serif;
  font-size: 17px; line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
  height: 100dvh; overflow: hidden;
  display: flex; flex-direction: column;
}
#game { flex: 1; min-height: 0; display: flex; }

.gframe {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  width: 100%;
  height: 100%; min-height: 0;
  display: flex; flex-direction: column;
  padding: clamp(10px, 2.5vw, 24px);
  overflow: hidden;
}
.gframe[data-subject="maths"]   { --accent: var(--subject-maths); }
.gframe[data-subject="english"] { --accent: var(--subject-english); }
.gframe[data-subject="science"] { --accent: var(--subject-science); }

.gfx {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 20;
}

.ghead {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; padding-bottom: clamp(8px, 2vw, 18px);
}
.gtitle h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.25rem, 4.5vw, 1.9rem);
  line-height: 1.12;
}
.gtitle { min-width: 0; }
.gstrap { color: var(--ink-soft); font-size: clamp(.78rem, 2.6vw, .95rem); max-width: 46ch; }
.gctl { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }
[data-game-controls-placeholder] { visibility: hidden; }
.chip {
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 14px; font-weight: 800; font-size: 1.05rem;
  min-width: 64px; text-align: center; display: inline-block;
  color: var(--accent);
}
.iconb {
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  width: 40px; height: 40px; font-size: 1rem; cursor: pointer; color: var(--ink);
}
.iconb.on { background: var(--accent); border-color: var(--accent); }
.iconb svg { width: 22px; height: 22px; display: block; margin: auto; }
.iconb.fx-off { opacity: .6; }
.ctl-toast {
  position: absolute; top: 56px; right: 8px; z-index: 40;
  background: var(--card); border: 1px solid var(--accent); border-radius: 999px;
  padding: 7px 14px; font-size: .85rem; font-weight: 600; color: var(--ink);
  box-shadow: var(--shadow); pointer-events: none;
}

.gstage {
  flex: 1; min-height: 0; display: flex; flex-direction: column; position: relative;
  overflow-x: hidden; overflow-y: auto;
  scrollbar-width: none; -ms-overflow-style: none;
}
.gstage::-webkit-scrollbar { display: none; width: 0; height: 0; }

/* ----- menu / mode select ----- */
.menu { display: flex; flex-direction: column; gap: 14px; margin: auto 0; padding: 8px 0; }
.menu h2 { font-family: 'Fraunces', Georgia, serif; font-size: 1.15rem; }
.mode-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.mode-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; cursor: pointer; text-align: left; color: var(--ink);
  font: inherit;
  transition: transform .18s var(--spring), border-color .18s;
}
.mode-card:hover, .mode-card:focus-visible { transform: translateY(-2px); border-color: var(--accent); }
.mode-card b { display: block; font-size: 1.05rem; }
.mode-card .soft { font-size: .82rem; }
.mode-card .best-line { display: block; color: var(--accent); font-size: .8rem; font-weight: 700; margin-top: 4px; }
.pick-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.pick {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  min-width: 52px; height: 46px; font-weight: 800; font-size: 1.05rem;
  cursor: pointer; color: var(--ink); font-family: inherit;
  transition: transform .15s var(--spring), border-color .15s;
}
.pick.sel {
  border-color: var(--accent); color: var(--accent); transform: none;
  box-shadow: inset 0 0 0 1px var(--accent);
}

/* ----- round ----- */
.round { flex: 1; display: flex; flex-direction: column; gap: clamp(10px, 2.5vw, 20px); }
.tsub { font-size: .62rem; font-weight: 600; line-height: 1.15; opacity: .7;
  text-align: center; margin-top: 1px; }

.sort-prompt:empty { display: none; }
.sort-prompt { font-size: .8rem; font-weight: 600; text-align: center;
  color: var(--ink); opacity: .85; margin: 0; line-height: 1.2; }

.hud { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.hud .soft { font-size: .9rem; }
.timebar { height: 10px; border-radius: 999px; background: var(--card2); overflow: hidden; flex: 1; }
.timebar > i { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width .2s linear; }
.timebar.hot > i { background: var(--warn); }

.qbox {
  text-align: center;
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 9vw, 3.6rem);
  padding: clamp(10px, 3vw, 26px) 0;
  min-height: 1.3em;
  margin: auto 0; /* float centred in the free space above the grid */
}
.qart { display: block; width: clamp(120px, 34vw, 190px); height: clamp(120px, 34vw, 190px); margin: 0 auto 4px; }
.qart svg { width: 100%; height: 100%; display: block; }
.qbox:has(.qart) { font-size: clamp(1rem, 3.4vw, 1.3rem); padding: clamp(6px, 1.6vw, 12px) 0; }
.qbox:has(.qpassage) { font-size: 1rem; padding: clamp(6px, 1.6vw, 12px) 0; }
.qbox .qpassage { display: block; white-space: pre-line; font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1rem, 3.6vw, 1.25rem); font-weight: 600; line-height: 1.4;
  color: var(--ink); margin-bottom: 10px; }
.qbox .qask { display: block; font-family: 'Outfit', system-ui, sans-serif;
  font-size: clamp(.95rem, 3.2vw, 1.1rem); font-weight: 700; color: var(--ink-soft); }

.qbox:has(.qlead) { font-size: clamp(1.15rem, 4.4vw, 1.7rem); padding: clamp(6px, 1.6vw, 12px) 0; }
.qbox .qlead { display: block; font-family: 'Outfit', system-ui, sans-serif;
  font-size: clamp(.8rem, 2.5vw, .95rem); color: var(--ink-soft); font-weight: 600;
  margin-bottom: 6px; }
.qbox .qmain { display: block; line-height: 1.25; }

.qbox .qsub { display: block; font-family: 'Outfit', system-ui, sans-serif; font-size: clamp(.85rem, 2.6vw, 1rem); color: var(--ink-soft); font-weight: 500; }

.agrid {
  display: grid; gap: clamp(8px, 2vw, 14px);
  grid-template-columns: repeat(2, 1fr);
  margin-top: auto;
}
@media (min-width: 560px) { .agrid { grid-template-columns: repeat(4, 1fr); } }
.bigb {
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  color: var(--ink); font: inherit; font-weight: 800;
  font-size: clamp(1.35rem, 5.5vw, 1.9rem);
  min-height: clamp(64px, 14vw, 92px);
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .15s var(--spring), border-color .15s;
  touch-action: manipulation;
}
.bigb:active { transform: scale(.96); }
.bigb.primary { background: var(--accent); color: #fff; border-color: transparent; }
.bigb:disabled { opacity: .55; cursor: default; }

/* number pad (MTC) */
.pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(6px, 1.6vw, 10px); max-width: 340px; margin: auto auto 0; width: 100%; }
.pad .bigb { min-height: clamp(52px, 11vw, 72px); font-size: clamp(1.2rem, 5vw, 1.6rem); }
.entry {
  text-align: center; font-family: 'Fraunces', Georgia, serif; font-weight: 700;
  font-size: clamp(2rem, 8vw, 3rem); min-height: 1.25em;
  border-bottom: 3px solid var(--line); max-width: 220px; margin: 0 auto; width: 100%;
}

/* ----- sorter ----- */
/* 10px, not 12: the sorter gained a prompt row, and on a 375x667 phone the
   old gap pushed the group labels under the page footer. */
.sort-area { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.sort-card {
  background: var(--card); border: 2px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-family: 'Fraunces', Georgia, serif; font-weight: 700;
  font-size: clamp(1.7rem, 7vw, 2.6rem);
  padding: clamp(20px, 5vw, 36px) clamp(24px, 6vw, 48px);
  margin: auto; text-align: center;
  cursor: grab; user-select: none; touch-action: none;
  position: relative; z-index: 10;
}
.sort-card.alien { border-style: dashed; border-color: var(--accent); }
.sort-card .cardsub { display: block; font-family: 'Outfit', system-ui, sans-serif; font-size: .85rem; color: var(--ink-soft); font-weight: 500; }
.sort-card.dragging { cursor: grabbing; box-shadow: 0 18px 44px rgba(0,0,0,.45); }
.sort-card.has-art {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: clamp(14px, 3.5vw, 24px) clamp(26px, 6vw, 44px);
}
.carticon { width: clamp(96px, 26vw, 140px); height: clamp(96px, 26vw, 140px); display: block; pointer-events: none; position: relative; }
.carticon::before {
  content: ''; position: absolute; inset: 6%; border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, var(--accent), transparent 72%);
  opacity: .16;
}
.carticon svg {
  width: 100%; height: 100%; display: block; position: relative;
  filter: drop-shadow(0 6px 10px rgba(0, 0, 0, .16));
  animation: ld-bob 3.4s ease-in-out infinite;
}
@keyframes ld-bob {
  0%, 100% { transform: translateY(0) rotate(-1.4deg); }
  50% { transform: translateY(-5px) rotate(1.4deg); }
}
@media (prefers-reduced-motion: reduce) { .carticon svg { animation: none; } }
.cardlabel { font-size: clamp(1.15rem, 4.5vw, 1.6rem); }
.targets { display: flex; gap: clamp(8px, 2vw, 14px); }
.target {
  flex: 1; background: var(--card2); border: 2px dashed var(--line); border-radius: var(--radius);
  min-height: clamp(88px, 18vw, 128px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font-weight: 800; cursor: pointer; color: var(--ink); font-family: inherit; font-size: 1rem;
  transition: transform .18s var(--spring), border-color .18s, background .18s;
}
.gicon { display: block; }
.gicon svg { width: 100%; height: 100%; display: block; }
.target .temoji { width: clamp(32px, 8vw, 46px); height: clamp(32px, 8vw, 46px); }
.target .tcount { font-size: .78rem; color: var(--ink-soft); font-weight: 600; }
.target.hot { border-color: var(--accent); transform: scale(1.04); background: var(--card); }
.why-line {
  text-align: center; color: var(--ink-soft); font-size: clamp(.85rem, 2.6vw, 1rem);
  min-height: 2.6em; padding: 0 8px;
}
.why-line b { color: var(--ink); }

/* ----- sequence ----- */
.seq-track {
  min-height: clamp(64px, 14vw, 88px);
  border: 2px dashed var(--line); border-radius: var(--radius);
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  padding: 10px;
}
.seq-pool { display: flex; flex-wrap: wrap; gap: clamp(8px, 2vw, 12px); justify-content: center; margin-top: auto; padding-bottom: 4px; }
.seq-card {
  background: var(--card); border: 1.5px solid var(--line); border-radius: 14px;
  color: var(--ink); font: inherit; font-weight: 700;
  font-size: clamp(1rem, 3.6vw, 1.25rem);
  padding: clamp(10px, 2.6vw, 16px) clamp(14px, 3.5vw, 22px);
  cursor: pointer; box-shadow: var(--shadow);
  transition: transform .15s var(--spring), border-color .15s;
  touch-action: manipulation;
}
.seq-card:active { transform: scale(.95); }
.seq-card.placed { border-color: var(--accent); color: var(--accent); box-shadow: none; cursor: default; }
.seq-track .seq-card { font-size: clamp(.85rem, 2.8vw, 1.05rem); padding: 8px 12px; }
.seq-card .cardsub { display: block; font-size: .72rem; color: var(--ink-soft); font-weight: 500; }

/* ----- track finale (hero reveal / cycle wheel) ----- */
.round { position: relative; }
.finale {
  position: absolute; left: 0; right: 0; bottom: 0; /* top set from measured track */
  z-index: 25; pointer-events: none;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
}
.finale.wheel { display: block; }
.finale-hero {
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, .22));
  animation: ld-pop-in .45s cubic-bezier(.34, 1.4, .44, 1) both, ld-bob 3s ease-in-out .5s infinite;
}
.finale-hero svg { width: 100%; height: 100%; display: block; }
.finale-label {
  font-family: 'Fraunces', Georgia, serif; font-weight: 700;
  font-size: clamp(1.4rem, 6vw, 2.2rem); color: var(--accent);
  text-shadow: 0 2px 10px rgba(0, 0, 0, .12);
}
.wheel-card {
  position: absolute; background: var(--card); border: 1.5px solid var(--accent);
  border-radius: 12px; padding: 5px 10px 4px; font-weight: 700;
  font-size: clamp(.72rem, 2.3vw, .9rem); color: var(--ink); box-shadow: var(--shadow);
  white-space: nowrap; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 1px;
}
.wc-art { width: clamp(34px, 9vw, 46px); height: clamp(34px, 9vw, 46px); display: block; }
.wc-art svg { width: 100%; height: 100%; display: block; }
.wheel-card.small { font-size: .66rem; padding: 3px 7px 3px; }
.wheel-card.small .wc-art { width: 30px; height: 30px; }
.wheel-ring {
  position: absolute; border: 2.5px dashed var(--accent); border-radius: 50%;
  opacity: 0; transform: translate(-50%, -50%);
}
.pick.wide { min-width: 150px; padding: 0 14px; }
@media (prefers-reduced-motion: reduce) {
  .finale-hero { animation: ld-pop-in .12s both; }
}

/* ----- results ----- */
.results { margin: auto; text-align: center; display: flex; flex-direction: column; gap: 14px; max-width: 460px; width: 100%; }
.big-score {
  font-family: 'Fraunces', Georgia, serif; font-weight: 700;
  font-size: clamp(3.4rem, 15vw, 5.5rem); line-height: 1; color: var(--accent);
}
.ribbon { font-weight: 800; color: var(--gold); font-size: 1.2rem; }
.perfect-line { font-weight: 800; color: var(--gold); }
.soft { color: var(--ink-soft); }
.misses {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; text-align: left; display: flex; flex-direction: column; gap: 8px;
  /* the recap scrolls inside itself: six misses on a small phone used to push
     Play again 165px below the fold, worst for the child who needs it most */
  max-height: 40vh; overflow-x: hidden; overflow-y: auto;
  scrollbar-width: none; -ms-overflow-style: none;
}
.misses::-webkit-scrollbar { display: none; width: 0; height: 0; }
.misses h2 { font-size: .95rem; font-family: 'Fraunces', Georgia, serif; }
.miss-row { font-size: .92rem; }
.miss-row .soft { font-size: .85rem; }
.btnrow { display: flex; gap: 10px; }
.btnrow .bigb { flex: 1; font-size: 1.05rem; min-height: 56px; }

/* on-fire state: background warms, edges glow — juice tier 10 */
.gframe.on-fire::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 5;
  box-shadow: inset 0 0 90px rgba(251, 191, 36, .22);
  border-radius: var(--radius);
}
.gframe.on-fire .qbox, .gframe.on-fire .sort-card { text-shadow: 0 0 24px rgba(251, 191, 36, .35); }

/* playing state: nothing structural appears or disappears between scenes
   (owner, 28 Aug) — the game header and strap stay constant; the strap just
   quietens. Only the fx/on-fire styling keys off .playing. */
.gframe.playing .gstrap { opacity: .55; }

@media (max-width: 360px) {
  .ghead { gap: 8px; }
  .gctl { gap: 6px; }
  .chip { min-width: 48px; padding: 5px 10px; font-size: .95rem; }
}

@media (prefers-reduced-motion: reduce) {
  .mode-card, .pick, .bigb, .target { transition-duration: .01s; }
}

/* Feedback FX (formerly injected at runtime by engine/dom.ts) */
@keyframes ld-pop { 0%{transform:scale(1)} 35%{transform:scale(1.22)} 100%{transform:scale(1)} }
@keyframes ld-pop-in { 0%{transform:scale(.4);opacity:0} 60%{transform:scale(1.12);opacity:1} 100%{transform:scale(1)} }
@keyframes ld-wiggle { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-7px)} 55%{transform:translateX(6px)} 80%{transform:translateX(-3px)} }
@keyframes ld-label { 0%{transform:scale(.3) rotate(-6deg);opacity:0} 45%{transform:scale(1.25) rotate(2deg);opacity:1} 70%{transform:scale(1)} 100%{transform:scale(1);opacity:0} }
@keyframes ld-ribbon { 0%{transform:translateY(-16px) scale(.6);opacity:0} 55%{transform:translateY(4px) scale(1.1);opacity:1} 100%{transform:translateY(0) scale(1)} }
.ld-pop { animation: ld-pop .28s cubic-bezier(.34,1.4,.44,1); }
.ld-pop-in { animation: ld-pop-in .34s cubic-bezier(.34,1.4,.44,1) both; }
.ld-wiggle { animation: ld-wiggle .4s ease-out; }
.ld-flylabel {
  position:absolute; pointer-events:none; font-weight:800; z-index:30;
  animation: ld-label 1s cubic-bezier(.34,1.4,.44,1) both;
}
.ld-ribbon { animation: ld-ribbon .5s cubic-bezier(.34,1.4,.44,1) both; }
.ld-fire { transition: box-shadow .6s, background .6s; }
@media (prefers-reduced-motion: reduce) {
  .ld-pop,.ld-pop-in,.ld-wiggle,.ld-flylabel,.ld-ribbon { animation-duration: .12s; }
}

/* Data charts need readable labels at phone widths. */
.qbox:has(svg[data-data-chart]) .qart { width: min(100%, 300px); height: auto; aspect-ratio: 230 / 156; }

/* Constructive data workshop */
.workshop{width:100%;max-width:620px;margin:auto;padding:10px 8px 24px;display:grid;gap:12px;text-align:left;box-sizing:border-box}.workshop>.iconb{justify-self:end}.workshop h2{font-size:1.15rem;line-height:1.25;margin:0}.workshop-shape{width:82px;height:82px;margin:auto}.workshop-shape svg,.workshop-small-shape svg{width:100%;height:100%;display:block}.workshop-groups{display:grid;gap:6px}.workshop-group{display:grid;grid-template-columns:85px 1fr;align-items:center;gap:8px}.workshop-objects{display:flex;flex-wrap:wrap;gap:4px}.workshop-small-shape{width:26px;height:26px}.workshop-chart{display:grid;gap:8px}.workshop-chart-row{display:grid;grid-template-columns:minmax(0,1fr) 44px 22px 44px;align-items:center;gap:6px}.workshop-chart-row>b{grid-column:1/-1}.workshop-chart-row .bigbtn{min-width:0;padding:8px}.workshop-marks{display:flex;gap:2px;align-items:center;flex-wrap:wrap;font-size:18px;min-height:28px}.workshop-marks svg{width:102px;height:24px;max-width:100%}.workshop-block{display:inline-block;width:12px;height:18px;border:1px solid currentColor;background:#32a89e}.workshop-feedback{min-height:1.3em;margin:0;font-size:.9rem}.workshop select,.workshop input{width:100%;box-sizing:border-box;min-height:44px;font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px}.workshop-question{margin:0;font-weight:700}.workshop-question-row{display:grid;grid-template-columns:90px 1fr;gap:10px;align-items:center}

.workshop-order-pool,.workshop-order-track{display:grid;gap:8px}.workshop-order-pool button,.workshop-order-track button{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:1rem}.workshop-order-track button{opacity:.8}

/* Constructive spelling and sentence practice; ordinary form controls, no saved text. */
.studio{display:flex;flex-direction:column;gap:14px;padding:8px 0;min-width:0}.studio>.iconb{align-self:flex-end}.studio h2{font-size:1.2rem}.studio-model{font:700 clamp(1.6rem,8vw,2.6rem) 'Fraunces',Georgia,serif;text-align:center;overflow-wrap:anywhere;padding:20px 0}.studio-form{display:flex;flex-direction:column;gap:12px}.studio-input{width:100%;box-sizing:border-box;font:600 1.3rem 'Outfit',sans-serif;color:var(--ink);background:var(--card);border:2px solid var(--line);border-radius:10px;padding:12px}.studio-feedback{min-height:1.5em}.studio .bigb{min-height:48px}.studio-input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.sentence-words{display:flex;flex-wrap:wrap;gap:8px}.sentence-word{box-sizing:border-box;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:6px 10px;font-size:1.1rem;overflow-wrap:anywhere;max-width:100%}.sentence-checks{display:flex;flex-direction:column;gap:10px}.sentence-check{display:flex;gap:10px;align-items:flex-start;min-height:44px;line-height:1.4}.sentence-check input{flex-shrink:0;width:22px;height:22px;margin-top:2px}.studio textarea{resize:vertical;min-height:100px;max-height:220px}.studio button:disabled{opacity:.5;cursor:not-allowed}

.sentence-original{white-space:pre-wrap;overflow-wrap:anywhere;box-sizing:border-box;max-width:100%;font-size:1.2rem;line-height:1.5;border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--card)}

/* Construct numbers from visible groups of ten equal unit squares. */
.number-model{display:grid;grid-template-columns:1fr 1fr;gap:10px}.number-group{padding:8px;border:1px solid var(--line);border-radius:10px;min-width:0}.number-blocks{display:flex;flex-wrap:wrap;align-items:flex-start;gap:4px;min-height:82px;margin-top:8px}.number-ten,.number-one{display:inline-grid;gap:1px}.number-ten i,.number-one i{display:block;box-sizing:border-box;width:8px;height:8px;border:1px solid currentColor;background:var(--accent)}.number-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px}.number-controls .bigb{font-size:1rem;padding:9px;min-width:0}.number-prompt{font-size:1.2rem;font-weight:700}

/* Route-loaded virtual measurement: the learner operates each instrument and records the result. */
.measure-balance.light .measure-pan:first-child,.measure-balance.heavy .measure-pan:last-child{transform:translateY(12px)}.measure-balance.light .measure-pan:last-child,.measure-balance.heavy .measure-pan:first-child{transform:translateY(-12px)}
.measure-lab{max-width:680px;width:100%;margin:auto}.measure-prompt{font-size:1.08rem;font-weight:700}.measure-view{min-height:132px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:14px;background:var(--card);padding:12px;overflow:hidden}.measure-controls,.measure-choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.measure-controls .bigb,.measure-choice-grid .bigb{min-height:50px;padding:8px;font-size:1rem}.measure-record{display:grid;gap:5px;font-weight:700}.measure-world{display:grid;grid-template-columns:repeat(16,minmax(0,1fr));grid-template-rows:48px 58px;width:100%;align-items:end}.measure-object{height:32px;border:2px solid var(--accent);border-radius:999px;background:color-mix(in srgb,var(--accent) 22%,var(--card));display:flex;align-items:center;justify-content:center;overflow:hidden;font-size:.75rem;font-weight:700;white-space:nowrap}.measure-world>.measure-object{grid-row:1}.measure-ruler{grid-row:2;display:grid;grid-template-columns:repeat(13,1fr);height:50px;border-top:4px solid var(--ink);align-items:start}.measure-tick{border-left:2px solid var(--ink);height:21px;padding-top:22px;text-align:left;font-size:.64rem;line-height:1}.measure-track{width:min(100%,520px);display:grid;gap:8px}.measure-track>.measure-object{width:100%;height:38px}.measure-units{display:grid;grid-template-columns:repeat(10,1fr);min-height:34px}.measure-units i{display:block;border:1px solid var(--ink);background:var(--accent);aspect-ratio:1}.measure-balance{width:min(100%,520px);display:grid;grid-template-columns:1fr 48px 1fr;align-items:end;text-align:center}.measure-pan{min-height:56px;padding:8px;border-bottom:5px solid var(--accent);font-weight:700}.measure-pivot{font-size:2rem;color:var(--accent)}.measure-jug{position:relative;width:130px;height:120px;border:4px solid var(--ink);border-top:0;border-radius:0 0 18px 18px;overflow:hidden}.measure-fill{position:absolute;bottom:0;left:0;right:0;background:color-mix(in srgb,var(--subject-maths) 65%,transparent)}.measure-target-line{position:absolute;left:0;right:0;border-top:3px dashed var(--warn);font-size:.7rem;text-align:right}.measure-choice-grid .bigb{font-size:.95rem}.measure-lab .studio-feedback{min-height:2.8em}@media(max-width:390px){.measure-view{min-height:116px;padding:8px}.measure-choice-grid{grid-template-columns:1fr}.measure-choice-grid .bigb{min-height:44px}.measure-tick{font-size:.54rem}.measure-lab{gap:10px}}

/* Equal Groups route mechanic. */
.equal-groups{max-width:760px;margin:0 auto}.groups-prompt{font-size:clamp(1rem,2.5vw,1.25rem);font-weight:700;line-height:1.35}.groups-view{display:grid;grid-template-columns:minmax(120px,.7fr) minmax(0,1.5fr);gap:14px;align-items:start}.groups-bank,.groups-made,.groups-share{min-height:112px;padding:12px;border:2px solid color-mix(in srgb,var(--accent) 28%,transparent);border-radius:16px;background:color-mix(in srgb,var(--panel) 86%,var(--accent) 14%)}.groups-made,.groups-share{display:flex;flex-wrap:wrap;align-items:flex-start;gap:9px}.groups-made>b{flex-basis:100%}.groups-counters{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.groups-counters i,.groups-array i{display:block;width:22px;height:22px;border:2px solid color-mix(in srgb,var(--accent) 72%,#fff 28%);border-radius:50%;background:var(--accent);box-shadow:inset 0 2px 0 #ffffff55}.groups-tray{padding:8px;border:2px dashed color-mix(in srgb,var(--ink) 36%,transparent);border-radius:12px;background:var(--panel)}.groups-tray-button{min-width:104px;min-height:78px;padding:8px}.groups-tray-button .groups-counters{justify-content:center}.groups-record{display:grid;gap:6px;max-width:260px;margin:12px auto;font-weight:700}.groups-array{--columns:1;display:grid;grid-template-columns:repeat(var(--columns),22px);justify-content:center;gap:6px;min-height:104px;padding:16px;border:2px solid color-mix(in srgb,var(--accent) 28%,transparent);border-radius:16px;background:color-mix(in srgb,var(--panel) 88%,var(--accent) 12%)}.groups-array-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}
@media(max-width:540px){.groups-view{grid-template-columns:1fr}.groups-bank,.groups-made,.groups-share{min-height:82px}.groups-counters i,.groups-array i{width:19px;height:19px}.groups-array{grid-template-columns:repeat(var(--columns),19px);gap:4px;padding:10px}.groups-array-controls{grid-template-columns:1fr 1fr}}

/* Number Patterns route mechanic. Textures pair with colour so hue is never the only cue. */
.number-patterns{max-width:780px;margin:0 auto}.pattern-prompt{font-size:clamp(1.05rem,3vw,1.3rem);font-weight:700;margin:0}.pattern-track,.pattern-choices{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;padding:12px;border-radius:15px}.pattern-track{min-height:72px;background:color-mix(in srgb,var(--panel) 86%,var(--accent) 14%);border:2px solid color-mix(in srgb,var(--accent) 28%,transparent)}.pattern-choices{background:var(--card);border:1px solid var(--line)}.pattern-tile,.pattern-blank{position:relative;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;width:52px;height:52px;border-radius:12px;border:2px solid color-mix(in srgb,var(--ink) 32%,transparent);font:800 2rem/1 'Outfit',sans-serif;overflow:hidden}.pattern-tile{color:var(--pattern-colour);background:color-mix(in srgb,var(--pattern-colour) 16%,var(--card));text-shadow:0 1px 0 #fff}.pattern-tile.bigb{padding:0;min-width:52px;cursor:pointer}.pattern-coral{--pattern-colour:#c0504d}.pattern-teal{--pattern-colour:#177e78}.pattern-gold{--pattern-colour:#9a6700}.pattern-blue{--pattern-colour:#2864a8}.texture-dots{background-image:radial-gradient(currentColor 1.5px,transparent 1.5px);background-size:9px 9px}.texture-stripes{background-image:repeating-linear-gradient(45deg,transparent 0 6px,currentColor 7px 8px)}.texture-cross{background-image:linear-gradient(45deg,transparent 46%,currentColor 47% 53%,transparent 54%),linear-gradient(-45deg,transparent 46%,currentColor 47% 53%,transparent 54%)}.pattern-blank{border-style:dashed;color:var(--ink-soft);font-size:1.1rem;background:var(--card)}.pattern-selected{outline:4px solid var(--gold);outline-offset:2px}.pattern-unit{border-style:dashed}.pattern-unit:before{content:'Repeating unit';font-size:.75rem;font-weight:800;color:var(--ink-soft);flex-basis:100%;text-align:center}.pattern-build{min-height:90px}.number-patterns>.bigb{align-self:center}@media(max-width:390px){.pattern-track,.pattern-choices{gap:5px;padding:8px}.pattern-tile,.pattern-blank{width:42px;height:42px;font-size:1.65rem}.pattern-tile.bigb{min-width:42px}}

/* Sentence Forms route mechanic. */
.sentence-forms{max-width:720px;margin:0 auto}.sentence-form-prompt{font-size:1.08rem;font-weight:700;margin:0}.sentence-form-choices{display:grid;grid-template-columns:1fr 1fr;gap:8px}.sentence-form-track{display:flex;flex-wrap:wrap;align-items:center;gap:7px;min-height:70px;padding:10px;border:2px dashed var(--accent);border-radius:12px;background:var(--card)}.sentence-source-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--ink-soft);margin:0 0 -10px}.sentence-forms .sentence-words .bigb{padding:7px 10px;min-height:44px}@media(max-width:390px){.sentence-form-choices{grid-template-columns:1fr}.sentence-forms{gap:10px}}

.nonfiction-navigator{max-width:740px;margin:0 auto}.nonfiction-prompt{font-size:1.08rem;font-weight:700;margin:0}.nonfiction-card,.nonfiction-feature,.contents-card{box-sizing:border-box;width:100%;padding:13px;border:2px dashed var(--accent);border-radius:14px;background:var(--card)}.nonfiction-card{font:600 clamp(1rem,3.8vw,1.2rem)/1.42 'Fraunces',Georgia,serif}.nonfiction-card h3,.contents-card h3{font-size:1.2rem;margin-bottom:5px}.nonfiction-context{margin:0;font-size:.94rem;color:var(--ink-soft)}.nonfiction-feature{white-space:pre-line;text-align:center;font:700 clamp(1rem,4vw,1.3rem)/1.35 'Fraunces',Georgia,serif}.nonfiction-feature mark{padding:1px 4px;border-radius:5px;background:var(--gold);color:var(--ink)}.nonfiction-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.nonfiction-choices .bigb{min-height:52px;padding:7px;font-size:clamp(.92rem,3.6vw,1.18rem);overflow-wrap:anywhere}.contents-card{border-style:solid;padding:10px 14px}.contents-label{font-size:.74rem;text-transform:uppercase;letter-spacing:.09em;font-weight:800;color:var(--ink-soft)}.contents-list{display:grid;grid-template-columns:1fr auto;column-gap:12px;font-size:.93rem;line-height:1.25}.contents-list dt:after{content:' ................................';color:var(--line)}.contents-list dd{font-weight:800}@media(max-width:390px){.nonfiction-navigator{gap:6px}.nonfiction-card,.nonfiction-feature{padding:8px;font-size:.94rem;line-height:1.32}.contents-card{padding:6px 10px}.contents-card h3{font-size:1rem}.contents-list{font-size:.81rem;line-height:1.16}.nonfiction-choices{gap:5px}.nonfiction-choices .bigb{min-height:42px;padding:4px;font-size:.9rem}.nonfiction-navigator .studio-feedback{font-size:.89rem;line-height:1.22}}
.story-planner{max-width:740px;margin:0 auto}.story-plan-prompt{font-size:1.08rem;font-weight:700;margin:0}.story-plan-card,.story-plan-scene{box-sizing:border-box;width:100%;padding:13px;border:2px dashed var(--accent);border-radius:14px;background:var(--card);text-align:center}.story-plan-card{font:700 clamp(1.15rem,4.5vw,1.55rem)/1.35 'Fraunces',Georgia,serif}.story-plan-scene{margin:0;font-size:.96rem;color:var(--ink-soft)}.story-plan-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.story-plan-choices .bigb{min-height:52px;padding:7px;font-size:clamp(.95rem,3.7vw,1.2rem)}.story-plan-track{display:grid;gap:5px;padding-left:28px}.story-plan-track li{min-height:34px;padding:6px 8px;border:1px solid var(--line);border-radius:9px;background:var(--card);font-size:.9rem}.story-plan-pool{display:grid;grid-template-columns:1fr 1fr;gap:6px}.story-plan-pool .bigb{min-height:46px;padding:6px;font-size:.86rem;line-height:1.2}@media(max-width:390px){.story-planner{gap:6px}.story-plan-card,.story-plan-scene{padding:8px}.story-plan-card{font-size:1.05rem}.story-plan-choices{gap:6px}.story-plan-choices .bigb{min-height:43px;padding:5px;font-size:.92rem}.story-plan-track{gap:3px}.story-plan-track li{min-height:29px;padding:4px 6px;font-size:.8rem}.story-plan-pool{gap:4px}.story-plan-pool .bigb{min-height:39px;padding:4px;font-size:.78rem}.story-planner .studio-feedback{font-size:.89rem;line-height:1.22}}
.writing-improver{max-width:740px;margin:0 auto}.writing-prompt{font-size:1.08rem;font-weight:700;margin:0}.writing-label{margin:0 0 -10px;font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--ink-soft)}.writing-original,.writing-revised,.writing-goal,.writing-template{box-sizing:border-box;width:100%;padding:11px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);font:600 clamp(1rem,3.8vw,1.2rem)/1.35 'Fraunces',Georgia,serif}.writing-goal{border:2px dashed var(--accent);font-family:'Outfit',system-ui,sans-serif;font-weight:600}.writing-template,.writing-revised{border-color:var(--accent);font-weight:700;text-align:center}.writing-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.writing-choices .bigb{min-height:49px;padding:6px;font-size:clamp(.92rem,3.6vw,1.15rem);overflow-wrap:anywhere}.writing-choices.full{grid-template-columns:1fr}.writing-choices.full .bigb{text-align:left;min-height:46px;font-size:.92rem}@media(max-width:390px){.writing-improver{gap:6px}.writing-original,.writing-revised,.writing-goal,.writing-template{padding:7px;font-size:.94rem}.writing-label{margin-bottom:-7px}.writing-choices{gap:5px}.writing-choices .bigb{min-height:42px;padding:4px;font-size:.88rem}.writing-choices.full .bigb{min-height:40px;font-size:.83rem}.writing-improver .studio-feedback{font-size:.88rem;line-height:1.2}}
.sound-prompt{font-size:1.05rem;font-weight:700;margin:0}.sound-word{width:100%;padding:14px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);font:700 clamp(1.2rem,5vw,1.6rem)/1.35 'Fraunces',Georgia,serif;text-align:center}.sound-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.sound-choices .bigb{min-height:49px;padding:7px;font-size:clamp(.88rem,3.4vw,1.06rem)}@media(max-width:390px){.sound-spelling-lab{gap:7px}.sound-prompt{font-size:.94rem}.sound-word{padding:9px;font-size:1.18rem}.sound-choices{gap:5px}.sound-choices .bigb{min-height:43px;padding:5px;font-size:.82rem}.sound-spelling-lab .studio-feedback{font-size:.87rem;line-height:1.2}}
.studio:is(.sound-spelling-lab,.nonfiction-navigator)>.bigb{align-self:center}
.punctuation-editor{max-width:760px;margin:0 auto}.punctuation-prompt{font-size:1.08rem;font-weight:700;margin:0}.punctuation-track{display:flex;flex-wrap:wrap;align-items:flex-end;gap:6px;min-height:84px;padding:12px;border:2px dashed var(--accent);border-radius:14px;background:var(--card)}.punctuation-piece{display:inline-flex;align-items:flex-end;gap:2px}.punctuation-word.bigb,.punctuation-word.static{display:inline-flex;align-items:center;min-height:46px;padding:7px 9px;border-radius:10px;font:700 clamp(1rem,3.6vw,1.25rem)/1.2 'Fraunces',Georgia,serif}.punctuation-word.static{border:1px solid transparent}.punctuation-word.selected,.punctuation-comma.selected,.punctuation-mark.selected{border-color:var(--accent);color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.punctuation-comma.bigb{min-width:36px;min-height:46px;padding:0 5px;border-style:dashed;border-radius:10px;box-shadow:none;font-size:1.55rem;color:var(--ink-soft)}.punctuation-fixed,.punctuation-end{font:700 1.5rem/1 'Fraunces',Georgia,serif;padding:0 1px 8px}.punctuation-end-choices{display:flex;justify-content:center;gap:10px;min-height:58px}.punctuation-mark.bigb{width:62px;min-height:56px;font-size:2rem;padding:0}@media(max-width:390px){.punctuation-editor{gap:10px}.punctuation-track{gap:4px;padding:8px}.punctuation-word.bigb,.punctuation-word.static{padding:6px;min-height:42px}.punctuation-comma.bigb{min-width:32px;min-height:42px}}
.apostrophe-workshop{max-width:700px;margin:0 auto}.apostrophe-prompt{font-size:1.08rem;font-weight:700;margin:0}.apostrophe-source{box-sizing:border-box;width:100%;padding:16px;border:2px dashed var(--accent);border-radius:14px;background:var(--card);font:700 clamp(1.3rem,5vw,2rem)/1.35 'Fraunces',Georgia,serif;text-align:center;overflow-wrap:anywhere}.apostrophe-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.apostrophe-choices .bigb{min-height:54px;padding:8px;font-size:clamp(1.05rem,4vw,1.35rem);overflow-wrap:anywhere}.apostrophe-workshop .studio-input{text-align:center;font-family:'Fraunces',Georgia,serif;font-size:1.7rem}@media(max-width:390px){.apostrophe-workshop{gap:10px}.apostrophe-source{padding:11px}.apostrophe-choices{grid-template-columns:1fr 1fr;gap:7px}.apostrophe-choices .bigb{min-height:48px}}
.homophone-context{max-width:700px;margin:0 auto}.homophone-prompt{font-size:1.08rem;font-weight:700;margin:0}.homophone-source{box-sizing:border-box;width:100%;padding:18px;border:2px dashed var(--accent);border-radius:14px;background:var(--card);font:700 clamp(1.35rem,5vw,2rem)/1.35 'Fraunces',Georgia,serif;text-align:center;overflow-wrap:anywhere}.homophone-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.homophone-choices .bigb{min-height:56px;padding:8px;font-size:clamp(1.05rem,4vw,1.35rem);overflow-wrap:anywhere}.homophone-context .studio-input{text-align:center;font-family:'Fraunces',Georgia,serif;font-size:1.7rem}@media(max-width:390px){.homophone-context{gap:10px}.homophone-source{padding:12px}.homophone-choices{gap:7px}.homophone-choices .bigb{min-height:50px;padding:6px}}
.suffix-studio{max-width:700px;margin:0 auto}.suffix-prompt{font-size:1.08rem;font-weight:700;margin:0}.suffix-equation{display:flex;justify-content:center;align-items:center;gap:10px}.suffix-part{padding:10px 15px;border:2px solid var(--accent);border-radius:12px;background:var(--card);font:700 clamp(1.25rem,5vw,1.8rem)/1.2 'Fraunces',Georgia,serif}.suffix-source{box-sizing:border-box;width:100%;padding:15px;border:2px dashed var(--accent);border-radius:14px;background:var(--card);font:700 clamp(1.2rem,4.5vw,1.65rem)/1.35 'Fraunces',Georgia,serif;text-align:center;overflow-wrap:anywhere}.suffix-studio .studio-input{text-align:center;font-family:'Fraunces',Georgia,serif;font-size:1.7rem}@media(max-width:390px){.suffix-studio{gap:10px}.suffix-source{padding:10px}.suffix-part{padding:8px 11px}}

.compound-builder{max-width:720px;margin:0 auto}.compound-prompt{font-size:1.08rem;font-weight:700;margin:0}.compound-clue{box-sizing:border-box;width:100%;padding:12px;border:2px dashed var(--accent);border-radius:14px;background:var(--card);font-size:1.05rem;text-align:center}.compound-result,.compound-word{margin:0;text-align:center;font:700 clamp(1.5rem,6vw,2.2rem)/1.25 'Fraunces',Georgia,serif}.compound-choice-groups{display:grid;grid-template-columns:1fr 1fr;gap:10px}.compound-choice-group{display:grid;gap:7px}.compound-label{margin:0;text-align:center;font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}.compound-choice-group .bigb.selected{border-color:var(--accent);color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.compound-split-choices,.compound-meaning-choices{display:grid;grid-template-columns:1fr 1fr;gap:9px}.compound-meaning-choices{grid-template-columns:1fr}.compound-meaning-choices .bigb{min-height:52px;text-align:left;justify-content:flex-start}@media(max-width:390px){.compound-builder{gap:7px}.compound-clue{padding:7px;font-size:.96rem;line-height:1.35}.compound-choice-groups,.compound-split-choices{gap:6px}.compound-choice-group{gap:5px}.compound-choice-group .bigb,.compound-split-choices .bigb{padding:5px;min-height:40px}.compound-builder .studio-feedback{font-size:.95rem;line-height:1.35}}

.noun-phrase-builder{max-width:720px;margin:0 auto}.noun-phrase-prompt{font-size:1.08rem;font-weight:700;margin:0}.noun-phrase-clue{box-sizing:border-box;width:100%;padding:13px;border:2px dashed var(--accent);border-radius:14px;background:var(--card);font-size:1.04rem;text-align:center}.noun-phrase-result{margin:0;text-align:center;font:700 clamp(1.35rem,5.5vw,2rem)/1.3 'Fraunces',Georgia,serif}.noun-phrase-choices{display:grid;grid-template-columns:1fr 1fr;gap:9px}.noun-phrase-choices .bigb.selected{border-color:var(--accent);color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.noun-phrase-match-choices{display:grid;gap:9px}.noun-phrase-match-choices .bigb{min-height:52px;text-align:left;justify-content:flex-start;font-size:clamp(1rem,4vw,1.2rem)}@media(max-width:390px){.noun-phrase-builder{gap:7px}.noun-phrase-clue{padding:7px;font-size:.96rem;line-height:1.35}.noun-phrase-choices,.noun-phrase-match-choices{gap:6px}.noun-phrase-choices .bigb{min-height:40px;padding:5px}.noun-phrase-builder .studio-feedback{font-size:.95rem;line-height:1.35}}

.tense-workshop{max-width:720px;margin:0 auto}.tense-prompt{font-size:1.08rem;font-weight:700;margin:0}.tense-sentence,.tense-target{box-sizing:border-box;width:100%;padding:14px;border:2px dashed var(--accent);border-radius:14px;background:var(--card);font:700 clamp(1.25rem,5vw,1.8rem)/1.35 'Fraunces',Georgia,serif;text-align:center}.tense-target{border-style:solid}.tense-source-label{margin:0 0 -10px;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--ink-soft)}.tense-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.tense-choices .bigb{min-height:54px;padding:8px;font-size:clamp(1rem,4vw,1.3rem)}@media(max-width:390px){.tense-workshop{gap:7px}.tense-sentence,.tense-target{padding:9px;font-size:1.18rem}.tense-source-label{margin-bottom:-7px}.tense-choices{gap:6px}.tense-choices .bigb{min-height:45px;padding:5px}.tense-workshop .studio-feedback{font-size:.94rem;line-height:1.3}}

.connector-prompt{font-size:1.05rem;font-weight:700;margin:0}.connector-sentence{width:100%;padding:14px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);font:700 clamp(1.05rem,4vw,1.3rem)/1.4 'Fraunces',Georgia,serif;text-align:center}.connector-highlight{color:var(--accent);text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:3px}.connector-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.connector-choices .bigb{min-height:49px;padding:7px;font-size:clamp(.9rem,3.5vw,1.1rem)}@media(max-width:390px){.clause-connectors{gap:7px}.connector-prompt{font-size:.94rem}.connector-sentence{padding:9px;font-size:1rem}.connector-choices{gap:5px}.connector-choices .bigb{min-height:43px;padding:5px;font-size:.84rem}.clause-connectors .studio-feedback{font-size:.88rem;line-height:1.2}}

.proofread-prompt{font-size:1.05rem;font-weight:700;margin:0}.proofread-label{margin:0 0 -8px;font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--ink-soft)}.proofread-sentence{width:100%;padding:13px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);font:700 clamp(1rem,4vw,1.25rem)/1.4 'Fraunces',Georgia,serif;text-align:center}.proofread-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.proofread-choices .bigb{min-height:49px;padding:7px;font-size:clamp(.88rem,3.4vw,1.06rem)}.proofread-choices.full{grid-template-columns:1fr}.proofread-choices.full .bigb{text-align:left;min-height:46px;font-size:.92rem}@media(max-width:390px){.proofreading-lab{gap:6px}.proofread-prompt{font-size:.94rem}.proofread-sentence{padding:8px;font-size:.96rem}.proofread-choices{gap:5px}.proofread-choices .bigb{min-height:42px;padding:5px;font-size:.82rem}.proofread-choices.full .bigb{min-height:40px;font-size:.82rem}.proofreading-lab .studio-feedback{font-size:.87rem;line-height:1.2}}

.spelling-pattern-prompt{font-size:1.05rem;font-weight:700;margin:0}.spelling-pattern-example{width:100%;padding:13px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);font:700 clamp(1rem,4vw,1.25rem)/1.4 'Fraunces',Georgia,serif;text-align:center}.spelling-pattern-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.spelling-pattern-choices .bigb{min-height:49px;padding:7px;font-size:clamp(.86rem,3.3vw,1.04rem)}@media(max-width:390px){.spelling-patterns{gap:7px}.spelling-pattern-prompt{font-size:.94rem}.spelling-pattern-example{padding:9px;font-size:1rem}.spelling-pattern-choices{gap:5px}.spelling-pattern-choices .bigb{min-height:43px;padding:5px;font-size:.81rem}.spelling-patterns .studio-feedback{font-size:.87rem;line-height:1.2}}

@font-face{font-family:Outfit;src:url('/fonts/outfit-latin.woff2') format('woff2');font-display:optional}
@font-face{font-family:Fraunces;src:url('/fonts/fraunces-latin.woff2') format('woff2');font-display:optional}
.game-skip{position:fixed;left:12px;top:-70px;z-index:100;background:var(--card);color:var(--ink);padding:.6rem .9rem;border-radius:.5rem}.game-skip:focus{top:12px}
html{height:auto;min-height:100%;scrollbar-width:none}html::-webkit-scrollbar,body::-webkit-scrollbar{display:none}
body{display:block;height:auto;min-height:100%;overflow-y:auto;scrollbar-width:none}
#game{height:100dvh;min-height:100dvh;max-height:none;aspect-ratio:auto;border:0;border-radius:0;background:var(--bg);touch-action:auto;cursor:default}
.site-footer{display:grid;justify-items:center;gap:.05rem;text-align:center;color:var(--ink-soft);font-size:.78rem;margin-top:3rem;padding-inline:clamp(.25rem,2vw,1rem)}
.site-footer a{color:inherit;text-underline-offset:.18em}.footer-wordmark{display:inline-flex;font-family:Fraunces,serif;font-size:1.18rem;font-weight:700;text-decoration:none}
.footer-tagline,.footer-copyright,.footer-disclosure{margin:0;text-wrap:balance}.footer-tagline{max-width:40ch}.footer-links,.footer-year-links{display:flex;justify-content:center;flex-wrap:wrap}
.footer-links{gap:0 .9rem}.footer-year-links{gap:.35rem .75rem;margin:.35rem 0}.footer-links a,.footer-year-links a{display:inline-flex;align-items:center;font-weight:700;min-height:30px}.footer-year-links a{font-size:.86rem;font-weight:800}
.footer-copyright{margin-top:.7rem}.footer-disclosure{max-width:68ch;margin-top:.85rem;line-height:1.45}.footer-disclosure-line{display:inline}
.game-info-button{min-height:40px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);font:inherit;font-size:.76rem;font-weight:800;padding:.35rem .7rem;cursor:pointer}
.footer-game-settings{min-height:44px;border:0;background:transparent;color:var(--ink-soft);font:inherit;font-weight:700;padding:0;text-decoration:underline;text-underline-offset:.2em;cursor:pointer}
.footer-game-settings:hover,.footer-game-settings:focus-visible{color:var(--accent-text)}
.game-info{width:min(720px,calc(100vw - 24px));max-height:min(82dvh,760px);overflow:auto;border:1px solid var(--line);border-radius:18px;background:var(--bg2);color:var(--ink);padding:clamp(1rem,4vw,2rem);box-shadow:var(--shadow)}
.game-info::backdrop{background:rgba(0,0,0,.68)}.game-info h2,.game-info h3{font-family:Fraunces,Georgia,serif}.game-info h3{margin-top:1.25rem}.game-info p{margin:.6rem 0;color:var(--ink-soft)}.game-info a{color:var(--accent)}
.game-info-close{float:right}.storage-box{margin-top:1.2rem;padding:1rem;border:1px solid var(--line);border-radius:14px;background:var(--card)}.storage-box label{display:flex;gap:.65rem;align-items:flex-start;font-weight:800}.storage-box input{width:20px;height:20px;margin-top:.15rem}.storage-box button{margin-top:.7rem}
@media(max-width:520px){.site-footer{gap:.12rem}.footer-links{gap:0 .75rem;line-height:1.08}.footer-links a{min-height:34px}.footer-disclosure{width:100%;max-width:none;margin-top:1rem}.footer-disclosure-line{display:block;margin-inline:auto}.footer-disclosure-line:nth-child(1){max-width:36ch}.footer-disclosure-line:nth-child(2){max-width:29ch}.footer-disclosure-line:nth-child(3){max-width:10ch}}