/* ==========================================================================
   RACE TO THE RIGHT CORNER
   Wellesley classroom movement game — single-file build
   --------------------------------------------------------------------------
   1. Tokens & reset
   2. Base type & utilities
   3. Buttons, chips, form controls
   4. App shell & screen transitions
   5. Setup screen
   6. Vocabulary editor
   7. Corner board (shared by tutorial + gameplay)
   8. Centre stage: prompt, countdown, timer, freeze, reveal
   9. Tutorial scene & child characters
  10. Teacher control panel
  11. Results screen
  12. Keyframes
  13. Accessibility modes & responsive
   ========================================================================== */

/* ---------- 1. Tokens & reset ------------------------------------------- */
:root{
  /* Wellesley brand */
  --w-red:#E4002B; --w-gold:#F6B21B; --w-sky:#00A3E0; --w-lime:#8DC63F;
  --w-pink:#EC008C; --w-orange:#F7941D; --w-purple:#7C4DFF;

  /* Corner identities — fixed for the whole product */
  --c1:#E63946; --c1-deep:#B4232F; --c1-soft:#FFE2E4; --c1-ink:#FFFFFF;
  --c2:#1D8FE1; --c2-deep:#0F63A6; --c2-soft:#DEF0FF; --c2-ink:#FFFFFF;
  --c3:#3FA34D; --c3-deep:#2A7538; --c3-soft:#E1F6E3; --c3-ink:#FFFFFF;
  --c4:#F5B301; --c4-deep:#C98C00; --c4-soft:#FFF4D6; --c4-ink:#4A3400;
  --c5:#8E5AD8; --c5-deep:#6739A8; --c5-soft:#F0E6FF; --c5-ink:#FFFFFF;
  --c6:#F2762E; --c6-deep:#C1541A; --c6-soft:#FFEBDD; --c6-ink:#FFFFFF;
  --c7:#00B0A6; --c7-deep:#00817A; --c7-soft:#D9F7F5; --c7-ink:#FFFFFF;
  --c8:#EC5A9C; --c8-deep:#BC3672; --c8-soft:#FFE4F0; --c8-ink:#FFFFFF;

  /* Surface */
  --ink:#2C2117; --ink-soft:#6B5A48; --ink-faint:#9C8B79;
  --paper:#FFFDF8; --paper-2:#FFF6E6;
  --bg-1:#FFF3DC; --bg-2:#FFE6C4; --bg-3:#FFD9E8;
  --line:#EADFC9; --line-strong:#D8C6A6;

  /* Shape */
  --r-xs:10px; --r-sm:16px; --r-md:24px; --r-lg:34px; --r-xl:46px;
  --border:5px;
  --sh-1:0 3px 0 rgba(44,33,23,.10), 0 8px 18px rgba(44,33,23,.09);
  --sh-2:0 6px 0 rgba(44,33,23,.12), 0 16px 34px rgba(44,33,23,.13);
  --sh-3:0 10px 0 rgba(44,33,23,.13), 0 26px 60px rgba(44,33,23,.18);
  --sh-in:inset 0 3px 10px rgba(44,33,23,.10);

  /* Motion */
  --e-out:cubic-bezier(.22,1,.36,1);
  --e-back:cubic-bezier(.34,1.56,.64,1);
  --t-fast:.18s; --t:.32s; --t-slow:.6s;

  /* Fluid type — tuned for reading from the back of a classroom */
  --fs-hero:clamp(2.6rem,6.2vw,6rem);
  --fs-xxl:clamp(2rem,4.4vw,4.2rem);
  --fs-xl:clamp(1.5rem,2.9vw,2.7rem);
  --fs-lg:clamp(1.18rem,1.9vw,1.75rem);
  --fs-md:clamp(1rem,1.32vw,1.28rem);
  --fs-sm:clamp(.85rem,1.02vw,1.02rem);
  --fs-xs:clamp(.74rem,.85vw,.88rem);

  --stage-pad:clamp(10px,1.4vw,22px);
  --font:"Baloo 2",ui-rounded,"SF Pro Rounded","Hiragino Maru Gothic ProN",
         "Quicksand","Nunito","Varela Round","Segoe UI Rounded","Segoe UI",
         system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:var(--font); color:var(--ink);
  background:var(--bg-1);
  font-size:var(--fs-md); line-height:1.35;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow:hidden; overscroll-behavior:none;
  -webkit-tap-highlight-color:transparent;
}
button,input,select,textarea{font:inherit;color:inherit}
button{border:none;background:none;cursor:pointer}
img{max-width:100%;display:block}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:4px solid var(--w-sky); outline-offset:3px; border-radius:6px}

/* Painted classroom backdrop */
.backdrop{position:fixed; inset:0; z-index:0; overflow:hidden;
  background:
    radial-gradient(120% 90% at 12% 0%, #FFFDF4 0%, transparent 55%),
    radial-gradient(100% 80% at 88% 6%, #FFEBD2 0%, transparent 60%),
    linear-gradient(168deg, var(--bg-1) 0%, var(--bg-2) 58%, #FFE0D3 100%);
}
.backdrop b{position:absolute; border-radius:50%; filter:blur(2px); opacity:.5;
  animation:float 18s ease-in-out infinite}
.backdrop b:nth-child(1){width:26vw;height:26vw;left:-7vw;top:8vh;background:rgba(0,163,224,.16)}
.backdrop b:nth-child(2){width:20vw;height:20vw;right:-5vw;top:-4vh;background:rgba(236,0,140,.13);animation-delay:-4s}
.backdrop b:nth-child(3){width:30vw;height:30vw;right:8vw;bottom:-14vh;background:rgba(141,198,63,.16);animation-delay:-9s}
.backdrop b:nth-child(4){width:16vw;height:16vw;left:26vw;bottom:-8vh;background:rgba(246,178,27,.20);animation-delay:-13s}
.backdrop i{position:absolute;font-style:normal;font-size:clamp(18px,2.2vw,34px);opacity:.30;
  animation:float 22s ease-in-out infinite}
.backdrop i:nth-of-type(1){left:6%;bottom:16%;animation-delay:-2s}
.backdrop i:nth-of-type(2){right:5%;top:22%;animation-delay:-7s}
.backdrop i:nth-of-type(3){left:47%;top:5%;animation-delay:-11s}

/* ---------- 2. Base type & utilities ------------------------------------ */
.h-hero{font-size:var(--fs-hero); font-weight:800; letter-spacing:-.02em; line-height:1.02}
.h-1{font-size:var(--fs-xxl); font-weight:800; letter-spacing:-.01em; line-height:1.06}
.h-2{font-size:var(--fs-xl); font-weight:800; line-height:1.12}
.h-3{font-size:var(--fs-lg); font-weight:800}
.t-sm{font-size:var(--fs-sm)} .t-xs{font-size:var(--fs-xs)}
.muted{color:var(--ink-soft)} .faint{color:var(--ink-faint)}
.center{text-align:center}
.stack{display:flex;flex-direction:column}
.row{display:flex;align-items:center}
.wrap{flex-wrap:wrap}
.gap-1{gap:6px}.gap-2{gap:10px}.gap-3{gap:16px}.gap-4{gap:24px}.gap-5{gap:34px}
.grow{flex:1 1 auto}
.hidden{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.pill{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;
  background:var(--paper);border:3px solid var(--line);font-size:var(--fs-xs);font-weight:800;
  color:var(--ink-soft);white-space:nowrap}
.pill.solid{background:var(--w-gold);border-color:rgba(0,0,0,.10);color:#4A3400}
.pill.ok{background:#E1F6E3;border-color:#B6E4BC;color:#2A7538}
.pill.soon{background:#EFE7FA;border-color:#D6C4F2;color:#6739A8}
.card{background:var(--paper);border:var(--border) solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1)}
.divider{height:4px;background:var(--line);border-radius:999px;opacity:.7}

/* Brand marks — the wordmark doubles as "back to the start screen" */
.wordmark{height:clamp(30px,3.6vh,50px);width:auto;filter:drop-shadow(0 2px 3px rgba(0,0,0,.14))}
.brandbtn{display:inline-flex;align-items:center;padding:5px 9px;border-radius:16px;flex:none;
  cursor:pointer;transition:transform var(--t-fast) var(--e-out),background var(--t-fast),
  box-shadow var(--t-fast)}
.brandbtn:hover{background:rgba(246,178,27,.20);transform:translateY(-1px) scale(1.03);
  box-shadow:0 3px 0 rgba(200,138,0,.28)}
.brandbtn:active{transform:translateY(1px) scale(.98);box-shadow:none}

/* "Going home" heads-up — anverbced, cancellable, then it just happens */
/* Centred with auto margins, not translateX: popIn animates `transform`, and a
   transform-based centring would be wiped out the moment it finished. */
.hn{position:fixed;top:16px;left:0;right:0;margin:0 auto;width:max-content;z-index:950;
  display:flex;align-items:center;gap:14px;padding:13px 18px 18px;border-radius:var(--r-lg);
  background:var(--paper);border:5px solid var(--w-gold);box-shadow:var(--sh-3);
  max-width:min(94vw,580px);animation:popIn .28s var(--e-back) both}
.hn-ico{font-size:1.9em;line-height:1;flex:none}
.hn-title{font-weight:800;font-size:var(--fs-md);line-height:1.15}
.hn-sub{font-weight:700;font-size:var(--fs-xs);color:var(--ink-faint);margin-top:2px}
.hn-bar{position:absolute;left:12px;right:12px;bottom:7px;height:5px;border-radius:3px;
  background:rgba(44,33,23,.12);overflow:hidden}
.hn-bar i{display:block;height:100%;background:var(--w-gold);border-radius:3px;
  transform-origin:left center;animation:hnCount 2.4s linear forwards}
@keyframes hnCount{from{transform:scaleX(1)}to{transform:scaleX(0)}}
body.calm-motion .hn-bar i{animation:none;transform:scaleX(1)}
.crest{width:min(46vw,430px);filter:drop-shadow(0 12px 26px rgba(196,120,0,.30));
  animation:crestIn 1.1s var(--e-back) both}
.crest-sm{width:min(24vw,180px);filter:drop-shadow(0 6px 14px rgba(196,120,0,.26))}

/* ---------- 3. Buttons, chips, form controls ---------------------------- */
.btn{
  --bg:var(--paper); --bd:var(--line-strong); --fg:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:.72em 1.35em;min-height:56px;border-radius:var(--r-md);
  background:var(--bg);border:var(--border) solid var(--bd);color:var(--fg);
  font-weight:800;font-size:var(--fs-md);letter-spacing:.01em;
  box-shadow:0 5px 0 var(--bd),0 10px 20px rgba(44,33,23,.14);
  transition:transform var(--t-fast) var(--e-out),box-shadow var(--t-fast),filter var(--t-fast);
  text-align:center;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 7px 0 var(--bd),0 14px 26px rgba(44,33,23,.18)}
.btn:active{transform:translateY(3px);box-shadow:0 2px 0 var(--bd),0 5px 10px rgba(44,33,23,.14)}
.btn[disabled]{opacity:.42;pointer-events:none}
.btn .ico{font-size:1.25em;line-height:1}
.btn-primary{--bg:var(--w-red);--bd:#A80020;--fg:#fff}
.btn-gold{--bg:var(--w-gold);--bd:#C88A00;--fg:#4A3400}
.btn-sky{--bg:var(--w-sky);--bd:#0076A3;--fg:#fff}
.btn-lime{--bg:var(--w-lime);--bd:#63912A;--fg:#22380C}
.btn-purple{--bg:var(--w-purple);--bd:#5433C4;--fg:#fff}
.btn-ghost{--bg:transparent;--bd:var(--line-strong);box-shadow:none}
.btn-ghost:hover{--bg:var(--paper);box-shadow:0 4px 0 var(--bd)}
.btn-lg{min-height:74px;font-size:var(--fs-lg);padding:.7em 1.7em;border-radius:var(--r-lg)}
.btn-xl{min-height:96px;font-size:var(--fs-xl);padding:.6em 1.9em;border-radius:var(--r-xl)}
.btn-sm{min-height:44px;font-size:var(--fs-sm);padding:.5em 1em;border-radius:var(--r-sm);border-width:3px;
  box-shadow:0 3px 0 var(--bd)}
.btn-icon{min-height:52px;width:52px;padding:0;border-radius:var(--r-sm)}
.btn-block{display:flex;width:100%}

.field{display:flex;flex-direction:column;gap:7px}
.field > label{font-weight:800;font-size:var(--fs-sm);color:var(--ink-soft)}
.input,select.input,textarea.input{
  padding:12px 15px;border-radius:var(--r-sm);border:4px solid var(--line);
  background:var(--paper);font-weight:700;font-size:var(--fs-md);min-height:52px;width:100%;
  transition:border-color var(--t-fast),box-shadow var(--t-fast)}
.input:focus{border-color:var(--w-sky);box-shadow:0 0 0 4px rgba(0,163,224,.18);outline:none}
textarea.input{min-height:80px;resize:vertical;line-height:1.4}
select.input{appearance:none;cursor:pointer;padding-right:42px;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-soft) 50%),
                   linear-gradient(135deg,var(--ink-soft) 50%,transparent 50%);
  background-position:calc(100% - 22px) 50%,calc(100% - 15px) 50%;
  background-size:7px 7px,7px 7px;background-repeat:no-repeat}

/* Segmented option group — the main settings control */
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{
  padding:11px 16px;border-radius:var(--r-sm);border:4px solid var(--line);
  background:var(--paper);font-weight:800;font-size:var(--fs-sm);color:var(--ink-soft);
  min-height:52px;transition:all var(--t-fast) var(--e-out);flex:1 1 auto;white-space:nowrap}
.seg button:hover{border-color:var(--line-strong);transform:translateY(-1px)}
.seg button[aria-pressed="true"]{
  background:var(--w-sky);border-color:#0076A3;color:#fff;box-shadow:0 4px 0 #0076A3}
.seg.seg-gold button[aria-pressed="true"]{background:var(--w-gold);border-color:#C88A00;color:#4A3400;box-shadow:0 4px 0 #C88A00}

/* Toggle switch */
.switch{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 16px;border-radius:var(--r-sm);border:4px solid var(--line);background:var(--paper);
  cursor:pointer;min-height:60px;text-align:left;width:100%;
  transition:border-color var(--t-fast),background var(--t-fast)}
.switch:hover{border-color:var(--line-strong)}
.switch > span:first-child{flex:1 1 auto;min-width:0}
.switch .sw-label{display:block;font-weight:800;font-size:var(--fs-sm);line-height:1.2}
.switch .sw-hint{display:block;font-weight:700;font-size:var(--fs-xs);color:var(--ink-faint);
  margin-top:3px;line-height:1.3}
.switch .track{flex:none;width:66px;height:36px;border-radius:999px;background:#DDD2BE;
  position:relative;transition:background var(--t) var(--e-out);box-shadow:var(--sh-in)}
.switch .track::after{content:"";position:absolute;top:4px;left:4px;width:28px;height:28px;
  border-radius:50%;background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.25);
  transition:transform var(--t) var(--e-back)}
.switch[aria-pressed="true"]{border-color:#7FCB8B;background:#F2FBF3}
.switch[aria-pressed="true"] .track{background:var(--c3)}
.switch[aria-pressed="true"] .track::after{transform:translateX(30px)}

/* Range */
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:14px;border-radius:999px;
  background:#E7DCC7;box-shadow:var(--sh-in);cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:30px;height:30px;border-radius:50%;
  background:var(--w-sky);border:4px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.3);cursor:pointer}
input[type=range]::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:var(--w-sky);
  border:4px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.3);cursor:pointer;border-width:4px}

/* ---------- 4. App shell & screen transitions --------------------------- */
#app{position:relative;z-index:1;height:100%;width:100%}
.screen{position:absolute;inset:0;display:flex;flex-direction:column;overflow:hidden}
.screen.scroll{overflow-y:auto;overscroll-behavior:contain}
.screen-enter{animation:screenIn .42s var(--e-out) both}
.pad{padding:clamp(14px,2.2vw,34px)}

.appbar{display:flex;align-items:center;gap:clamp(10px,1.6vw,20px);
  padding:clamp(8px,1vw,14px) clamp(12px,1.8vw,26px);
  background:rgba(255,253,248,.86);backdrop-filter:blur(12px);
  border-bottom:4px solid rgba(216,198,166,.6);flex:none;z-index:5}
.appbar .title{font-weight:800;font-size:var(--fs-lg);letter-spacing:-.01em;white-space:nowrap}
.appbar .sub{font-size:var(--fs-xs);font-weight:800;color:var(--ink-faint);
  text-transform:uppercase;letter-spacing:.09em}
/* The header packs a lot in: library link, title, help, fullscreen and the
   Wellesley mark. On phones it overflowed and pushed items — including the
   logo itself — off the right edge, out of reach. Let it wrap, and drop the
   subtitle which is decorative at that size. */
@media (max-width:560px){
  .appbar{flex-wrap:wrap;row-gap:8px}
  .appbar .title{white-space:normal;font-size:var(--fs-md)}
  .appbar .sub{display:none}
  .appbar .grow{flex-basis:100%;height:0}   /* force actions onto their own row */
}

/* Toast */
.toast-wrap{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:900;
  display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{background:var(--ink);color:#fff;padding:14px 24px;border-radius:999px;font-weight:800;
  font-size:var(--fs-sm);box-shadow:var(--sh-2);animation:toastIn .3s var(--e-back) both}
.toast.out{animation:toastOut .3s var(--e-out) both}

/* Modal */
.modal-veil{position:fixed;inset:0;z-index:800;background:rgba(44,33,23,.55);
  backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;
  padding:clamp(14px,3vw,40px);animation:fadeIn .22s ease both}
.modal{background:var(--paper);border:var(--border) solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-3);max-width:min(940px,94vw);max-height:90vh;overflow:auto;width:100%;
  animation:popIn .34s var(--e-back) both}
.modal-head{display:flex;align-items:center;gap:14px;padding:clamp(16px,2vw,26px);
  border-bottom:4px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:2;
  border-radius:var(--r-xl) var(--r-xl) 0 0}
.modal-body{padding:clamp(16px,2.2vw,30px)}
.modal-foot{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap;
  padding:clamp(14px,1.8vw,24px);border-top:4px solid var(--line);position:sticky;bottom:0;
  background:var(--paper);border-radius:0 0 var(--r-xl) var(--r-xl)}

/* ---------- 5. Setup screen --------------------------------------------- */
.setup-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);
  gap:clamp(16px,2.6vw,44px);align-items:center;
  padding:clamp(18px,2.6vw,40px) clamp(16px,3vw,54px) clamp(10px,1.6vw,22px)}
.setup-hero .lead{font-size:var(--fs-lg);color:var(--ink-soft);font-weight:700;max-width:36ch;margin-top:12px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:#fff;border:4px solid var(--w-gold);font-weight:800;font-size:var(--fs-xs);
  letter-spacing:.12em;text-transform:uppercase;color:#8A6200;box-shadow:var(--sh-1)}
.hero-art{display:flex;justify-content:center;align-items:center;position:relative}

.section{padding:clamp(10px,1.6vw,20px) clamp(16px,3vw,54px)}
.section-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:clamp(10px,1.4vw,18px)}
.section-head .num{width:44px;height:44px;flex:none;border-radius:50%;background:var(--w-gold);
  color:#4A3400;font-weight:800;display:grid;place-items:center;font-size:var(--fs-lg);
  box-shadow:0 4px 0 #C88A00}

.packs{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:clamp(12px,1.5vw,20px)}
.pack{position:relative;background:var(--paper);border:var(--border) solid var(--line);
  border-radius:var(--r-lg);padding:16px;display:flex;flex-direction:column;gap:10px;
  text-align:left;transition:transform var(--t) var(--e-out),border-color var(--t),box-shadow var(--t);
  box-shadow:var(--sh-1);cursor:pointer;overflow:hidden}
.pack::before{content:"";position:absolute;inset:0 0 auto;height:8px;background:var(--pk,var(--w-gold))}
.pack:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:var(--pk,var(--w-gold))}
.pack[aria-pressed="true"]{border-color:var(--pk,var(--w-gold));box-shadow:0 0 0 5px color-mix(in srgb,var(--pk,#F6B21B) 26%,transparent),var(--sh-2)}
.pack[aria-pressed="true"] .pack-check{opacity:1;transform:scale(1)}
.pack-check{position:absolute;top:12px;right:12px;width:38px;height:38px;border-radius:50%;
  background:var(--c3);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:800;
  opacity:0;transform:scale(.4);transition:all var(--t) var(--e-back);box-shadow:0 3px 0 #2A7538}
.pack .emo{font-size:clamp(34px,3.6vw,52px);line-height:1;margin-top:6px}
.pack .nm{font-weight:800;font-size:var(--fs-lg);line-height:1.1}
.pack .meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:auto;padding-top:6px}
.pack-acts{display:flex;gap:8px;margin-top:8px}
.pack-acts .btn{flex:1 1 0;min-height:46px;font-size:var(--fs-sm);border-width:3px;box-shadow:0 3px 0 var(--bd)}

.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(324px,1fr));
  gap:clamp(12px,1.5vw,20px);align-items:start}
.set-card{background:var(--paper);border:var(--border) solid var(--line);border-radius:var(--r-lg);
  padding:clamp(14px,1.6vw,20px);display:flex;flex-direction:column;gap:14px}
.set-card h3{display:flex;align-items:center;gap:9px;font-size:var(--fs-lg);font-weight:800}
.set-card h3 .ico{font-size:1.2em}
.set-row{display:flex;flex-direction:column;gap:7px}
.set-row > .lbl{font-weight:800;font-size:var(--fs-sm);color:var(--ink-soft);display:flex;
  align-items:center;gap:8px;justify-content:space-between}
.hint{font-size:var(--fs-xs);color:var(--ink-faint);font-weight:700;line-height:1.35}

.launchbar{position:sticky;bottom:0;z-index:6;display:flex;align-items:center;gap:clamp(10px,1.6vw,22px);
  flex-wrap:wrap;padding:clamp(10px,1.3vw,16px) clamp(16px,3vw,54px);
  background:rgba(255,252,244,.985);backdrop-filter:blur(16px);border-top:4px solid var(--line-strong);
  box-shadow:0 -10px 30px rgba(44,33,23,.14)}
.launchbar > .grow{min-width:0;overflow:hidden;flex-wrap:nowrap}
.launchbar > .grow .pill{flex:none}

/* Mini classroom map */
.roommap{background:linear-gradient(180deg,#FFF9EC,#FFF2DC);border:4px dashed var(--line-strong);
  border-radius:var(--r-md);padding:14px;display:grid;gap:8px}
.roommap .rm-board{justify-self:center;width:min(62%,230px)}
.roommap .rm-board .iwb-screen{min-height:clamp(30px,5vh,54px)}
.roommap .rm-zones{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.roommap .rm-z{border-radius:12px;padding:12px 8px;text-align:center;font-weight:800;
  font-size:var(--fs-xs);color:#fff;line-height:1.2;min-height:56px;display:grid;place-items:center}
.roommap .rm-kids{text-align:center;font-size:26px;letter-spacing:-1px}

/* ---------- 6. Vocabulary editor ---------------------------------------- */
.ed-list{display:flex;flex-direction:column;gap:10px;max-height:none}
.ed-item{display:grid;grid-template-columns:auto 74px minmax(0,1fr) auto;gap:14px;align-items:center;
  padding:12px 14px;border:4px solid var(--line);border-radius:var(--r-md);background:var(--paper);
  transition:border-color var(--t-fast),opacity var(--t-fast)}
.ed-item.off{opacity:.5;background:#FBF7EF}
.ed-item .thumb{width:74px;height:74px;border-radius:var(--r-sm);background:var(--paper-2);
  border:3px solid var(--line);display:grid;place-items:center;font-size:38px;overflow:hidden}
.ed-item .thumb img{width:100%;height:100%;object-fit:contain}
.ed-item .w{font-weight:800;font-size:var(--fs-lg);line-height:1.1}
.ed-item .sub{font-size:var(--fs-xs);color:var(--ink-faint);font-weight:700;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52ch}
.ed-item .acts{display:flex;gap:6px;align-items:center}
.grab{cursor:grab;color:var(--ink-faint);font-size:22px;padding:0 2px;user-select:none}
.ed-item.dragging{opacity:.4;border-color:var(--w-sky)}
.ed-item.drop-over{border-color:var(--w-sky);box-shadow:0 -4px 0 var(--w-sky)}
.ed-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.ed-form .span2{grid-column:1/-1}
.picpick{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.picpick .prev{width:88px;height:88px;border-radius:var(--r-sm);border:4px solid var(--line);
  display:grid;place-items:center;font-size:44px;background:var(--paper-2);overflow:hidden;flex:none}
.picpick .prev img{width:100%;height:100%;object-fit:contain}
.emoji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:6px;
  max-height:190px;overflow:auto;padding:8px;border:4px solid var(--line);border-radius:var(--r-sm);
  background:var(--paper-2)}
.emoji-grid button{font-size:28px;padding:6px;border-radius:10px;line-height:1;
  transition:background var(--t-fast),transform var(--t-fast)}
.emoji-grid button:hover{background:#fff;transform:scale(1.15)}
.emoji-grid button[aria-pressed="true"]{background:var(--w-gold);box-shadow:0 0 0 3px #C88A00}

/* ---------- 7. Corner board (shared by tutorial + gameplay) ------------- */
.play{display:flex;flex-direction:column;height:100%;overflow:hidden}

.hud{display:flex;align-items:center;gap:clamp(8px,1.2vw,18px);flex:none;
  padding:clamp(6px,.8vw,12px) clamp(10px,1.6vw,24px);
  background:rgba(255,253,248,.82);backdrop-filter:blur(10px);
  border-bottom:4px solid rgba(216,198,166,.55);z-index:6}
.hud .roundchip{display:flex;align-items:center;gap:9px;padding:6px 16px;border-radius:999px;
  background:var(--ink);color:#FFE9B0;font-weight:800;font-size:var(--fs-sm);white-space:nowrap}
.hud .roundchip b{color:#fff;font-size:1.15em}
.stars{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;overflow:hidden;max-width:34vw}
.stars .st{font-size:clamp(20px,2vw,30px);line-height:1;filter:grayscale(1);opacity:.28;
  transition:all .4s var(--e-back)}
.stars .st.on{filter:none;opacity:1;transform:scale(1.06)}
.stars .st.pop{animation:starPop .7s var(--e-back)}
.teamchip{display:flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-weight:800;font-size:var(--fs-sm);color:#fff;box-shadow:var(--sh-1);white-space:nowrap}
.teamchip b{font-size:1.3em}

.board{flex:1 1 auto;display:grid;min-height:0;min-width:0;
  grid-template-columns:minmax(0,1fr) minmax(0,1.55fr) minmax(0,1fr);
  grid-template-rows:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(8px,1.1vw,18px);padding:var(--stage-pad);position:relative}
.board .stage{grid-area:1/2/3/3;position:relative;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:clamp(6px,1vw,14px);min-height:0;min-width:0}

.corner{position:relative;display:flex;flex-direction:column;min-height:0;min-width:0;
  border-radius:var(--r-lg);border:var(--border) solid var(--cc-deep);background:var(--cc-soft);
  box-shadow:0 6px 0 var(--cc-deep),0 14px 30px rgba(44,33,23,.15);overflow:hidden;
  transition:transform var(--t) var(--e-out),box-shadow var(--t),filter var(--t),opacity var(--t)}
.corner.pos-tl{grid-area:1/1}
.corner.pos-tr{grid-area:1/3}
.corner.pos-bl{grid-area:2/1}
.corner.pos-br{grid-area:2/3}
.corner .chead{flex:none;display:flex;align-items:center;gap:8px;padding:7px clamp(8px,.9vw,14px);
  background:var(--cc);color:var(--cc-ink);font-weight:800;font-size:var(--fs-xs);
  letter-spacing:.08em;text-transform:uppercase}
.corner .chead .shape{width:26px;height:26px;flex:none;display:grid;place-items:center;
  border-radius:50%;background:rgba(255,255,255,.9);color:var(--cc-deep);font-size:15px;line-height:1}
.corner .chead .zone{margin-left:auto;opacity:.9;font-size:.94em;letter-spacing:.04em;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60%}
.corner .cbody{flex:1 1 auto;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:clamp(2px,.7vh,10px);padding:clamp(4px,1vh,14px) 8px;
  min-height:0;overflow:hidden}
.corner .pic{font-size:clamp(30px,8vh,96px);line-height:1;flex:0 1 auto;min-height:0;
  display:grid;place-items:center;filter:drop-shadow(0 5px 8px rgba(0,0,0,.16));
  transition:transform var(--t) var(--e-back)}
.corner .pic img{max-height:min(19vh,140px);width:auto;object-fit:contain}
.corner .word{flex:none;max-width:96%;background:#fff;border:4px solid var(--cc);border-radius:999px;
  padding:.16em .8em;font-weight:800;font-size:clamp(.95rem,2.5vh,2rem);color:var(--cc-deep);
  letter-spacing:.01em;text-transform:lowercase;box-shadow:0 3px 0 rgba(0,0,0,.10);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center}
/* Corner cards are used at very different sizes (full board, teacher preview,
   tutorial). Container queries let one component scale to all of them. */
@supports (container-type:size){
  .corner{container-type:size}
  .corner .pic{font-size:clamp(22px,min(36cqh,24cqw),120px)}
  .corner .pic img{max-height:44cqh;max-width:78cqw}
  .corner .word{font-size:clamp(.7rem,min(13cqh,11cqw),2.2rem)}
  .corner .chead{font-size:clamp(.6rem,min(7cqh,3.4cqw),1rem)}
}
.corner .arrowtag{position:absolute;font-size:clamp(20px,2.4vw,34px);opacity:.85;line-height:1}
.corner.pos-tl .arrowtag{right:10px;bottom:8px}
.corner.pos-tr .arrowtag{left:10px;bottom:8px}
.corner.pos-bl .arrowtag{right:10px;top:8px}
.corner.pos-br .arrowtag{left:10px;top:8px}

/* Corner states */
.corner.hidden-word .word{visibility:hidden}
.corner.hidden-pic .pic{visibility:hidden}
.corner.is-teach{animation:teachPulse 1.3s var(--e-out) 2;z-index:3;
  box-shadow:0 6px 0 var(--cc-deep),0 0 0 8px color-mix(in srgb,var(--cc) 40%,transparent),0 18px 40px rgba(44,33,23,.24)}
.corner.is-correct{z-index:4;transform:scale(1.035);
  box-shadow:0 6px 0 var(--cc-deep),0 0 0 10px color-mix(in srgb,var(--cc) 55%,transparent),
             0 0 60px 12px color-mix(in srgb,var(--cc) 45%,transparent),0 20px 44px rgba(44,33,23,.22);
  animation:correctGlow 1.5s var(--e-out) infinite alternate}
.corner.is-correct .pic{transform:scale(1.08)}
.corner.is-dim{filter:saturate(.35) brightness(.99);opacity:.55;transform:scale(.975)}
.corner.enter{animation:cornerIn .55s var(--e-back) both}
.corner .tick{position:absolute;inset:auto 0 0 0;display:flex;align-items:center;justify-content:center;
  gap:8px;padding:8px;background:var(--cc);color:var(--cc-ink);font-weight:800;
  font-size:var(--fs-sm);transform:translateY(110%);transition:transform var(--t) var(--e-back)}
.corner.is-correct .tick{transform:translateY(0)}

/* Directional arrows drawn from the centre out to each corner */
.dirarrow{position:absolute;z-index:2;font-size:clamp(30px,3.6vw,58px);line-height:1;
  pointer-events:none;opacity:0;transition:opacity var(--t);font-weight:800;
  color:var(--cc,var(--ink));text-shadow:0 3px 0 rgba(0,0,0,.14)}
.dirarrow.on{opacity:1;animation:arrowNudge 1s ease-in-out infinite}
.dirarrow.tl{left:2%;top:14%}
.dirarrow.tr{right:2%;top:14%}
.dirarrow.bl{left:2%;bottom:14%}
.dirarrow.br{right:2%;bottom:14%}

/* ---------- Interactive whiteboard illustration -------------------------
   Drawn wherever the classroom's own board appears on screen: the tutorial
   room scene, the setup room map, and as a bezel at the top of the game
   board. Same component, three sizes.                                      */
.iwb{display:flex;flex-direction:column;align-items:center;flex:none;
  filter:drop-shadow(0 7px 12px rgba(44,33,23,.24))}
.iwb-body{position:relative;width:100%;padding:5px 5px 5px;border-radius:9px;
  background:linear-gradient(180deg,#F2F5F8 0%,#D6DCE3 44%,#AEB7C2 100%);
  border:2px solid #8D97A4;box-shadow:inset 0 1px 0 rgba(255,255,255,.95),0 3px 0 #7B8593}
.iwb-screen{position:relative;overflow:hidden;border-radius:4px;isolation:isolate;
  background:linear-gradient(155deg,#27354B 0%,#16202E 52%,#0C121B 100%);
  box-shadow:inset 0 0 0 2px #070B11,inset 0 3px 12px rgba(0,0,0,.66);
  display:grid;place-items:center;text-align:center;padding:4px;color:#EAF2FF;
  min-height:clamp(38px,7.6vh,86px)}
.iwb-screen::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background:linear-gradient(114deg,rgba(255,255,255,.17) 0 15%,rgba(255,255,255,.05) 22%,transparent 38%)}
.iwb-tray{width:74%;height:clamp(7px,1.1vh,11px);border-radius:0 0 6px 6px;
  background:linear-gradient(180deg,#C6CED7,#949FAB);border:2px solid #8D97A4;border-top:none;
  display:flex;align-items:center;justify-content:center;gap:5px}
.iwb-tray i{width:clamp(9px,1.1vw,15px);height:3px;border-radius:2px;background:var(--pen,#888);
  box-shadow:0 1px 0 rgba(0,0,0,.25)}
.iwb-stand{width:clamp(8px,1vw,12px);height:clamp(7px,1.2vh,14px);
  background:linear-gradient(90deg,#939EAA,#C9D1D9 45%,#939EAA)}
.iwb-base{width:34%;height:clamp(4px,.7vh,7px);border-radius:0 0 4px 4px;
  background:linear-gradient(180deg,#C6CED7,#8D97A4);box-shadow:0 2px 4px rgba(0,0,0,.22)}
.iwb-cnt{display:flex;align-items:center;justify-content:center;gap:7px;line-height:1;
  animation:popIn .3s var(--e-back) both}
.iwb-emo{font-size:clamp(15px,3.6vh,32px);line-height:1}
.iwb-emo img{max-height:clamp(15px,3.4vh,30px);width:auto}
.iwb-word{font-weight:800;font-size:clamp(9px,1.9vh,18px);letter-spacing:.04em;color:#fff;
  text-transform:lowercase}
.iwb-cap{font-weight:800;font-size:clamp(8px,1.5vh,14px);letter-spacing:.16em;color:#9FD4FF;
  text-transform:uppercase}
.iwb-num{font-weight:800;font-size:clamp(20px,4.6vh,44px);color:#FFD86B;line-height:1}
.iwb-chips{display:grid;grid-template-columns:1fr 1fr;gap:3px;width:min(62%,130px)}
.iwb-chip{border-radius:3px;height:clamp(12px,2.6vh,24px);display:grid;place-items:center;
  font-size:clamp(9px,1.9vh,17px);line-height:1}

/* The same board, sized for gameplay: small enough to leave the corners room,
   big enough to read from the back of the class. */
.gboard{width:min(23%,240px);min-width:124px}
.gboard .iwb-screen{min-height:clamp(32px,6.2vh,68px)}
.gboard-label{font-weight:800;font-size:var(--fs-xs);letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-faint);margin-top:2px;text-align:center}
@media (max-height:560px){
  .gboard{width:min(16%,150px)}
  .gboard .iwb-stand,.gboard .iwb-base{display:none}
  .gboard-label{display:none}
}

/* Board strip = the physical anchor cue, drawn as the bezel of a real board */
.boardstrip{flex:none;display:flex;flex-direction:column;align-items:center;
  margin:0 auto;width:min(340px,42vw)}
.boardstrip .bs-bar{width:100%;height:clamp(7px,1vh,11px);border-radius:0 0 10px 10px;
  position:relative;background:linear-gradient(180deg,#EEF1F5,#BDC5CE 52%,#96A1AD);
  border:2px solid #8D97A4;border-top:none;box-shadow:0 3px 0 rgba(44,33,23,.10)}
.boardstrip .bs-bar::before{content:"";position:absolute;left:6%;right:6%;top:-1px;height:2px;
  background:#0C121B;opacity:.5;border-radius:2px}
.boardstrip .bs-tray{display:flex;align-items:center;justify-content:center;gap:5px;
  width:38%;height:clamp(5px,.8vh,8px);border-radius:0 0 5px 5px;
  background:linear-gradient(180deg,#C6CED7,#949FAB);border:2px solid #8D97A4;border-top:none}
.boardstrip .bs-tray i{width:clamp(8px,.9vw,13px);height:2px;border-radius:2px;background:var(--pen,#888)}
.boardstrip .bs-label{margin-top:3px;font-weight:800;font-size:var(--fs-xs);letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-faint)}

/* ---------- 8. Centre stage --------------------------------------------- */
.promptcard{position:relative;width:min(100%,660px);background:var(--paper);
  border:var(--border) solid var(--line-strong);border-radius:var(--r-xl);
  box-shadow:var(--sh-2);padding:clamp(10px,1.6vh,22px) clamp(12px,1.6vw,26px);
  display:flex;flex-direction:column;align-items:center;gap:clamp(4px,.9vh,12px);
  animation:popIn .4s var(--e-back) both;min-height:0}
.promptcard .kicker{font-size:var(--fs-xs);font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-faint)}
.big-emo{font-size:clamp(60px,21vh,250px);line-height:1;
  filter:drop-shadow(0 8px 12px rgba(0,0,0,.16));animation:promptBob 2.6s ease-in-out infinite}
.big-emo img{max-height:min(32vh,280px);width:auto}
.big-word{font-size:clamp(2.2rem,11vh,7rem);font-weight:800;line-height:1;letter-spacing:-.02em;
  text-align:center;word-break:break-word}
.reveal .big-emo{font-size:clamp(48px,15vh,180px)}
.reveal .big-emo img{max-height:min(22vh,200px)}
.promptcard .clue{font-size:clamp(1.05rem,2.7vh,2rem);font-weight:800;text-align:center;line-height:1.25;
  color:var(--ink);max-width:22ch}
.promptcard .listen{font-size:clamp(56px,10vh,130px);line-height:1;animation:earPulse 1.6s ease-in-out infinite}
.promptcard .caption{font-size:var(--fs-sm);font-weight:800;color:var(--ink-soft);text-align:center}
.promptcard .qmark{font-size:clamp(60px,12vh,170px);line-height:1;color:var(--w-purple);font-weight:800}
.replay-btn{position:absolute;right:-14px;top:-14px}

.miniprompt{display:flex;align-items:center;gap:12px;background:var(--paper);
  border:4px solid var(--line-strong);border-radius:999px;padding:.18em 1em;box-shadow:var(--sh-1);
  max-width:min(96%,620px)}
.miniprompt .mp-emo{font-size:clamp(28px,6vh,64px);line-height:1}
.miniprompt .mp-emo img{max-height:7vh;width:auto}
.miniprompt .mp-word{font-size:clamp(1.2rem,4vh,2.6rem);font-weight:800;line-height:1.1}
.miniprompt .mp-clue{font-size:clamp(.9rem,2.2vh,1.4rem);font-weight:800;line-height:1.2;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.instruct{font-weight:800;font-size:clamp(1rem,2.3vh,1.7rem);text-align:center;color:var(--ink-soft);
  display:flex;align-items:center;gap:10px;justify-content:center;flex-wrap:wrap}

/* Circular timer */
.timerwrap{position:relative;width:clamp(110px,17vh,210px);aspect-ratio:1;flex:none}
.timerwrap svg{width:100%;height:100%;transform:rotate(-90deg)}
.timerwrap .trk{fill:none;stroke:#EFE3CC;stroke-width:13}
.timerwrap .bar{fill:none;stroke:var(--c3);stroke-width:13;stroke-linecap:round;
  transition:stroke-dashoffset .25s linear,stroke .4s}
.timerwrap.warn .bar{stroke:var(--w-orange)}
.timerwrap.danger .bar{stroke:var(--c1);animation:timerShake .5s ease-in-out infinite}
.timerwrap .num{position:absolute;inset:0;display:grid;place-items:center;font-weight:800;
  font-size:clamp(2rem,6.6vh,3.6rem);line-height:1}
.timerwrap .num small{font-size:.3em;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);
  display:block;text-align:center;margin-top:2px}

/* Countdown + banners */
.bignum{font-size:clamp(6rem,26vh,20rem);font-weight:800;line-height:.9;
  color:var(--w-red);text-shadow:0 10px 0 rgba(0,0,0,.13);animation:countPop .92s var(--e-back) both}
.banner{display:inline-flex;align-items:center;justify-content:center;gap:14px;
  padding:.16em .6em;border-radius:var(--r-xl);max-width:100%;
  font-size:clamp(2rem,9.5vh,7rem);font-weight:800;line-height:1;letter-spacing:.02em;color:#fff;
  box-shadow:0 12px 0 rgba(0,0,0,.18),0 26px 60px rgba(0,0,0,.28);animation:bannerIn .5s var(--e-back) both}
.banner.go{background:linear-gradient(180deg,#5BD16A,#2F9E42);text-shadow:0 5px 0 rgba(0,0,0,.18)}
.banner.freeze{background:linear-gradient(180deg,#63C8F5,#1180C4);text-shadow:0 5px 0 rgba(0,0,0,.18)}
/* The freeze rule — the bit that actually makes a class stop dead */
.freeze-rule{display:inline-flex;align-items:center;gap:12px;padding:.2em .9em;
  border-radius:999px;background:#fff;border:5px solid var(--c2);box-shadow:var(--sh-2);
  font-size:clamp(1.05rem,3.4vh,2.4rem);font-weight:800;color:var(--c2-deep);
  animation:popIn .34s var(--e-back) .12s both}
.freeze-rule span{font-size:1.15em;line-height:1}
.veil{position:absolute;inset:0;z-index:20;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:clamp(10px,2vh,26px);text-align:center;padding:20px}
.veil.frost{background:radial-gradient(circle at 50% 45%,rgba(255,255,255,.90),rgba(210,238,255,.86));
  backdrop-filter:blur(3px)}
.veil.warm{background:radial-gradient(circle at 50% 45%,rgba(255,255,255,.92),rgba(255,236,200,.88))}
.veil .sub{font-size:clamp(1.1rem,3.4vh,2.4rem);font-weight:800;color:var(--ink-soft)}
.snowflakes span{position:absolute;font-size:clamp(16px,2vw,30px);opacity:.75;animation:fall 3.4s linear infinite}

/* Answer reveal */
.reveal{display:flex;flex-direction:column;align-items:center;gap:clamp(6px,1.4vh,16px);
  animation:popIn .4s var(--e-back) both}
.reveal .say{font-size:clamp(1.4rem,4.4vh,3rem);font-weight:800;text-align:center}
.reveal .praise{font-size:clamp(1.1rem,2.8vh,1.9rem);font-weight:800;color:var(--c3)}
.sentence-frame{background:#fff;border:5px dashed var(--w-sky);border-radius:var(--r-lg);
  padding:clamp(10px,1.8vh,20px) clamp(14px,2vw,28px);text-align:center;max-width:min(96%,660px)}
.sentence-frame .q{font-size:clamp(1rem,2.6vh,1.7rem);font-weight:800;color:var(--ink-soft)}
.sentence-frame .a{font-size:clamp(1.5rem,5vh,3.2rem);font-weight:800;color:var(--w-sky);margin-top:6px;
  line-height:1.1}

/* Celebration */
.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:30}
.confetti i{position:absolute;top:-8vh;width:12px;height:18px;border-radius:3px;opacity:.95;
  animation:confFall linear forwards}

/* ---------- 9. Tutorial scene & child characters ------------------------ */
.tut{display:flex;flex-direction:column;height:100%;overflow:hidden}
.tut-body{flex:1 1 auto;min-height:0;position:relative;display:flex;flex-direction:column;
  padding:var(--stage-pad)}
.tut-foot{flex:none;display:flex;align-items:center;gap:clamp(8px,1.4vw,18px);flex-wrap:wrap;
  padding:clamp(8px,1.2vw,16px) clamp(12px,2vw,28px);background:rgba(255,253,248,.94);
  backdrop-filter:blur(12px);border-top:4px solid var(--line)}
.progdots{display:flex;gap:8px;align-items:center}
.progdots span{width:14px;height:14px;border-radius:50%;background:#E2D5BC;transition:all var(--t) var(--e-back)}
.progdots span.on{background:var(--w-gold);transform:scale(1.35);box-shadow:0 0 0 4px rgba(246,178,27,.28)}
.progdots span.done{background:var(--c3)}

.speech{display:inline-flex;align-items:center;gap:12px;background:#fff;border:5px solid var(--w-sky);
  border-radius:var(--r-xl);padding:clamp(8px,1.4vh,16px) clamp(14px,2vw,28px);box-shadow:var(--sh-2);
  font-weight:800;font-size:clamp(1.05rem,3vh,2.1rem);text-align:center;position:relative;max-width:min(94%,940px);
  animation:popIn .4s var(--e-back) both}
.speech .mouth{font-size:1.3em;line-height:1}

/* The animated classroom (Stage 1 / 4) */
.roomscene{position:relative;flex:1 1 auto;min-height:0;border-radius:var(--r-xl);
  background:linear-gradient(180deg,#FFF7E8 0%,#FFEFD6 62%,#F6E0BE 100%);
  border:5px solid var(--line-strong);box-shadow:var(--sh-in);overflow:hidden;
  display:grid;grid-template-columns:1fr 1.15fr 1fr;grid-template-rows:auto 1fr 1fr;
  gap:clamp(6px,.9vw,14px);padding:clamp(8px,1.2vw,18px)}
.roomscene .rboard{grid-area:1/1/2/4;justify-self:center;width:min(31%,300px);min-width:150px}
.roomscene .rboard .iwb-screen{min-height:clamp(48px,10.5vh,116px)}
.roomscene .zone{border-radius:var(--r-md);border:5px solid var(--cc-deep);background:var(--cc-soft);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  padding:8px;min-height:0;opacity:0;transform:scale(.85);
  transition:opacity .5s var(--e-out),transform .5s var(--e-back),box-shadow .4s}
.roomscene .zone.in{opacity:1;transform:scale(1)}
.roomscene .zone.glow{box-shadow:0 0 0 8px color-mix(in srgb,var(--cc) 45%,transparent),0 0 50px 8px color-mix(in srgb,var(--cc) 40%,transparent)}
.roomscene .zone .zemo{font-size:clamp(22px,5.5vh,64px);line-height:1;min-height:0}
.roomscene .zone .zword{background:#fff;border:3px solid var(--cc);border-radius:999px;padding:.1em .6em;
  font-weight:800;font-size:clamp(.75rem,2vh,1.4rem);color:var(--cc-deep);max-width:96%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@supports (container-type:size){
  .roomscene .zone{container-type:size;overflow:hidden}
  .roomscene .zone .zemo{font-size:clamp(20px,min(36cqh,26cqw),70px)}
  .roomscene .zone .zword{font-size:clamp(.65rem,min(15cqh,13cqw),1.5rem)}
}
.roomscene .zone.z1{grid-area:2/1} .roomscene .zone.z2{grid-area:2/3}
.roomscene .zone.z3{grid-area:3/1} .roomscene .zone.z4{grid-area:3/3}
.roomscene .rcentre{grid-area:2/2/4/3;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:10px;min-height:0;position:relative}
.roomscene .floor{position:absolute;left:6%;right:6%;bottom:8%;height:40%;border-radius:50%;
  background:rgba(196,158,102,.16);filter:blur(6px)}

/* Kids */
.kids{display:flex;gap:clamp(2px,.5vw,8px);align-items:flex-end;justify-content:center;
  position:relative;z-index:3;transition:transform 1.5s var(--e-out)}
.kid{width:clamp(28px,3.4vw,54px);flex:none;transition:transform .9s var(--e-out)}
.kid.hop{animation:kidHop .55s ease-in-out infinite}
.kid.cheer{animation:kidCheer .6s ease-in-out infinite}
.kid svg{width:100%;height:auto;display:block;filter:drop-shadow(0 4px 5px rgba(0,0,0,.18))}

/* Rules cards */
.rules{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:clamp(12px,2vw,28px);
  align-content:center;flex:1 1 auto;min-height:0;padding:clamp(6px,2vh,26px) 0}
.rule{background:var(--paper);border:5px solid var(--line);border-radius:var(--r-xl);
  padding:clamp(12px,2.2vh,28px) 14px;display:flex;flex-direction:column;align-items:center;gap:10px;
  text-align:center;box-shadow:var(--sh-1);animation:popIn .5s var(--e-back) both}
.rule .ri{font-size:clamp(44px,8vh,92px);line-height:1}
.rule .rt{font-weight:800;font-size:clamp(1.05rem,2.6vh,1.9rem);line-height:1.15}
.rule .rs{font-weight:800;font-size:clamp(.85rem,1.7vh,1.15rem);color:var(--ink-faint)}
.rule.r1{border-color:var(--c2)} .rule.r2{border-color:var(--c3)} .rule.r3{border-color:var(--c1)}

/* ---------- 10. Teacher control panel ----------------------------------- */
.tp-tab{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:40;
  background:var(--ink);color:#FFE9B0;border-radius:16px 0 0 16px;padding:16px 9px;font-weight:800;
  font-size:var(--fs-xs);letter-spacing:.1em;writing-mode:vertical-rl;box-shadow:var(--sh-2);
  transition:background var(--t),padding var(--t);opacity:.55}
.tp-tab:hover{opacity:1;padding-right:14px}
.tp-veil{position:fixed;inset:0;z-index:100;background:rgba(44,33,23,.45);backdrop-filter:blur(5px);
  animation:fadeIn .2s ease both;display:flex;justify-content:flex-end}
.tp{width:min(560px,96vw);height:100%;background:var(--paper);border-left:6px solid var(--line-strong);
  box-shadow:-20px 0 60px rgba(0,0,0,.3);display:flex;flex-direction:column;
  animation:slideIn .32s var(--e-out) both}
.tp-head{flex:none;display:flex;align-items:center;gap:12px;padding:16px 20px;
  border-bottom:4px solid var(--line);background:var(--paper-2)}
.tp-body{flex:1 1 auto;overflow-y:auto;padding:18px 20px;display:flex;flex-direction:column;gap:18px}
.tp-sec{display:flex;flex-direction:column;gap:10px}
.tp-sec > .lbl{font-weight:800;font-size:var(--fs-xs);letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-faint)}
.tp-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tp-grid.three{grid-template-columns:repeat(3,1fr)}
.tp-grid .btn{min-height:64px;font-size:var(--fs-sm);flex-direction:column;gap:3px;padding:.5em}
.tp-grid .btn .ico{font-size:1.5em}
.kbd{display:inline-grid;place-items:center;min-width:24px;height:24px;padding:0 6px;border-radius:6px;
  background:var(--ink);color:#FFE9B0;font-size:11px;font-weight:800;letter-spacing:.04em}
.kbdlist{display:flex;flex-wrap:wrap;gap:8px}
.kbdlist li{display:flex;align-items:center;gap:6px;font-size:var(--fs-xs);font-weight:700;
  color:var(--ink-soft);background:var(--paper-2);border:3px solid var(--line);border-radius:999px;
  padding:4px 10px}

/* Score buttons (whiteboard-sized) */
.scorepad{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.scorebtn{min-height:96px;border-radius:var(--r-lg);border:5px solid var(--sc-deep);background:var(--sc);
  color:#fff;font-weight:800;font-size:var(--fs-lg);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:2px;box-shadow:0 6px 0 var(--sc-deep);
  transition:transform var(--t-fast)}
.scorebtn:active{transform:translateY(4px);box-shadow:0 2px 0 var(--sc-deep)}
.scorebtn small{font-size:.62em;opacity:.9;font-weight:800}

/* ---------- 11. Results screen ------------------------------------------ */
.results{flex:1 1 auto;min-height:0;overflow-y:auto;display:flex;flex-direction:column;
  align-items:center;gap:clamp(10px,1.8vh,22px);padding:clamp(14px,2.4vw,40px);text-align:center}
.trophy{font-size:clamp(64px,14vh,150px);line-height:1;animation:trophyIn 1s var(--e-back) both}
.bigscore{display:flex;gap:clamp(10px,2vw,26px);flex-wrap:wrap;justify-content:center}
.scorebox{background:var(--paper);border:5px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(12px,1.8vh,22px) clamp(18px,2.4vw,38px);min-width:170px;box-shadow:var(--sh-1);
  animation:popIn .5s var(--e-back) both}
.scorebox .v{font-size:clamp(2.2rem,7vh,4.4rem);font-weight:800;line-height:1;color:var(--w-red)}
.scorebox .k{font-size:var(--fs-sm);font-weight:800;color:var(--ink-faint);text-transform:uppercase;
  letter-spacing:.1em;margin-top:4px}
.starrow{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;max-width:min(96%,900px)}
.starrow .st{font-size:clamp(26px,4.6vh,48px);animation:starPop .6s var(--e-back) both}
.reviewgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;
  width:min(100%,1100px)}
.reviewcard{background:var(--paper);border:5px solid var(--line);border-radius:var(--r-md);padding:12px 8px;
  display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;
  transition:transform var(--t) var(--e-out),border-color var(--t)}
.reviewcard:hover{transform:translateY(-4px) scale(1.03);border-color:var(--w-sky)}
.reviewcard .e{font-size:clamp(30px,4.6vh,52px);line-height:1}
.reviewcard .w{font-weight:800;font-size:var(--fs-md)}
.reviewcard .tr{font-size:var(--fs-xs);color:var(--ink-faint);font-weight:700}

/* ---------- 12. Keyframes ----------------------------------------------- */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes screenIn{from{opacity:0;transform:translateY(18px) scale(.99)}to{opacity:1;transform:none}}
@keyframes popIn{from{opacity:0;transform:scale(.86) translateY(10px)}to{opacity:1;transform:none}}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:none}}
@keyframes toastIn{from{opacity:0;transform:translateY(22px) scale(.9)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(-10px) scale(.94)}}
@keyframes crestIn{0%{opacity:0;transform:scale(.6) rotate(-9deg)}60%{opacity:1}100%{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(2.5vw,-3.5vh)}}
@keyframes cornerIn{from{opacity:0;transform:scale(.8)}to{opacity:1;transform:none}}
@keyframes teachPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.045)}}
@keyframes correctGlow{from{filter:brightness(1)}to{filter:brightness(1.07)}}
@keyframes arrowNudge{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes countPop{0%{opacity:0;transform:scale(2.1)}35%{opacity:1;transform:scale(.92)}
  55%{transform:scale(1.04)}100%{opacity:1;transform:scale(1)}}
@keyframes bannerIn{0%{opacity:0;transform:scale(.4) rotate(-6deg)}60%{transform:scale(1.08) rotate(2deg)}
  100%{opacity:1;transform:none}}
@keyframes promptBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes earPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.13)}}
@keyframes timerShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-2px)}75%{transform:translateX(2px)}}
@keyframes starPop{0%{transform:scale(0) rotate(-40deg)}60%{transform:scale(1.4) rotate(8deg)}
  100%{transform:scale(1) rotate(0)}}
@keyframes trophyIn{0%{opacity:0;transform:scale(.3) rotate(-20deg)}70%{transform:scale(1.15) rotate(6deg)}
  100%{opacity:1;transform:none}}
@keyframes confFall{to{transform:translateY(118vh) rotate(760deg)}}
@keyframes fall{to{transform:translateY(105vh) rotate(180deg)}}
@keyframes kidHop{0%,100%{transform:translateY(0)}50%{transform:translateY(-13%)}}
@keyframes kidCheer{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-16%) rotate(4deg)}}
@keyframes shakeNo{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}
  60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}

/* ---------- 13. Accessibility modes & responsive ------------------------ */
body.contrast{
  --paper:#FFFFFF; --paper-2:#FFFFFF; --ink:#000000; --ink-soft:#1E1E1E; --ink-faint:#333333;
  --line:#000000; --line-strong:#000000;
  --bg-1:#FFFFFF; --bg-2:#F2F2F2;
  --c1:#C00019; --c1-deep:#000000; --c1-soft:#FFFFFF;
  --c2:#0057B8; --c2-deep:#000000; --c2-soft:#FFFFFF;
  --c3:#00743F; --c3-deep:#000000; --c3-soft:#FFFFFF;
  --c4:#FFC400; --c4-deep:#000000; --c4-soft:#FFFFFF; --c4-ink:#000000;
}
body.contrast .backdrop{background:#fff}
body.contrast .backdrop b,body.contrast .backdrop i{display:none}
body.contrast .hud,body.contrast .appbar,body.contrast .tut-foot,body.contrast .launchbar,
body.contrast .modal-head,body.contrast .modal-foot,body.contrast .tp-head{
  background:#fff;backdrop-filter:none;border-color:#000}
body.contrast .stars .st{opacity:.5}
body.contrast .corner.is-dim{opacity:.4;filter:grayscale(1)}
body.contrast .corner{box-shadow:0 6px 0 #000}
body.contrast .card,body.contrast .set-card,body.contrast .pack{box-shadow:0 4px 0 #000}

body.calm-motion .backdrop b,body.calm-motion .backdrop i{animation:none}
body.calm-motion *{animation-duration:.001ms !important;animation-iteration-count:1 !important;
  transition-duration:.12s !important}
body.calm-motion .kids,body.calm-motion .kid{transition-duration:.14s !important}
body.calm-motion .confetti{display:none}

@media (prefers-reduced-motion:reduce){
  .backdrop b,.backdrop i{animation:none}
}

/* Text-size scaling for very large rooms */
body.text-xl{--fs-lg:clamp(1.4rem,2.3vw,2.1rem);--fs-md:clamp(1.14rem,1.6vw,1.5rem);
  --fs-sm:clamp(1rem,1.25vw,1.2rem);--fs-xs:clamp(.86rem,1vw,1.02rem)}

@media (max-width:900px){
  .setup-hero{grid-template-columns:1fr;text-align:center;justify-items:center}
  .setup-hero .lead{margin-inline:auto}
  .hero-art{order:-1}
  .crest{width:min(64vw,320px)}
  .ed-item{grid-template-columns:auto 56px minmax(0,1fr);grid-template-rows:auto auto}
  .ed-item .acts{grid-column:1/-1;justify-content:flex-end}
  .ed-item .thumb{width:56px;height:56px;font-size:28px}
  .tp-grid.three{grid-template-columns:1fr 1fr}
}
@media (max-width:760px), (max-height:430px){
  .board{grid-template-columns:minmax(0,1fr) minmax(0,1fr);
         grid-template-rows:auto minmax(0,1fr) minmax(0,1fr)}
  .board .stage{grid-area:1/1/2/3;padding:2px 0}
  .corner.pos-tl{grid-area:2/1} .corner.pos-tr{grid-area:2/2}
  .corner.pos-bl{grid-area:3/1} .corner.pos-br{grid-area:3/2}
  .timerwrap{width:clamp(78px,13vh,120px)}
  .promptcard{width:100%}
  .dirarrow{display:none}
}
@media (orientation:portrait) and (min-width:761px){
  .board{grid-template-columns:minmax(0,1fr) minmax(0,1fr);
         grid-template-rows:auto minmax(0,1fr) minmax(0,1fr)}
  .board .stage{grid-area:1/1/2/3}
  .corner.pos-tl{grid-area:2/1} .corner.pos-tr{grid-area:2/2}
  .corner.pos-bl{grid-area:3/1} .corner.pos-br{grid-area:3/2}
}
@media print{ body{overflow:visible} .tp-tab{display:none} }

/* 1.5 pack selection */
.pack.is-selected{outline:4px solid var(--w-sky); box-shadow:0 0 0 4px rgba(0,163,224,.2), var(--sh-1);}
.pack-group-label{font-size:14px;letter-spacing:.02em;text-transform:uppercase;}
.pack-acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.pack-select[aria-pressed="true"]{background:var(--c2-soft);border-color:var(--w-sky);font-weight:900;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;}

/* ==========================================================================
   Wellesley backdrop — the setup screen sits on a soft collage of the
   high-fidelity crest, so the game reads as a Wellesley product at a glance.
   Kept behind a translucent wash so text contrast is unaffected, and dropped
   entirely under reduced motion / high contrast.
   ========================================================================== */
.setup-backdrop{
  position:absolute; inset:0; z-index:0; pointer-events:none; overflow:hidden;
}
.setup-backdrop .tile{
  position:absolute; width:min(26vw,300px); aspect-ratio:3/2;
  background:url("../brand/wellesley-hifi.svg") center/contain no-repeat;
  opacity:.42; filter:saturate(.92);
}
/* Twelve crests, scattered and rotated at varying sizes — a collage rather
   than a grid. Depth comes from varying scale and opacity, so the pattern
   never reads as a repeating tile. */
.setup-backdrop .t1 {top:-6%;   left:-7%;   transform:rotate(-13deg) scale(1.05)}
.setup-backdrop .t2 {top:2%;    right:-8%;  transform:rotate(10deg)  scale(1.2)}
.setup-backdrop .t3 {top:30%;   left:16%;   transform:rotate(5deg)   scale(.72); opacity:.30}
.setup-backdrop .t4 {bottom:-8%;left:-5%;   transform:rotate(8deg)   scale(1.1)}
.setup-backdrop .t5 {bottom:0%; right:2%;   transform:rotate(-7deg)  scale(.95)}
.setup-backdrop .t6 {top:14%;   left:41%;   transform:rotate(-4deg)  scale(1.35); opacity:.26}
.setup-backdrop .t7 {top:52%;   right:20%;  transform:rotate(13deg)  scale(.66); opacity:.34}
.setup-backdrop .t8 {top:66%;   left:34%;   transform:rotate(-9deg)  scale(.88); opacity:.28}
.setup-backdrop .t9 {top:-2%;   left:26%;   transform:rotate(6deg)   scale(.6);  opacity:.32}
.setup-backdrop .t10{bottom:16%;left:60%;   transform:rotate(-11deg) scale(1.0); opacity:.30}
.setup-backdrop .t11{top:44%;   left:-9%;   transform:rotate(15deg)  scale(.78); opacity:.34}
.setup-backdrop .t12{bottom:34%;right:-7%;  transform:rotate(-5deg)  scale(1.12);opacity:.26}
/* Wash keeps body text at full contrast over the busiest areas. */
.setup-backdrop::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(255,253,248,.72), rgba(255,253,248,.84));
}
.screen-setup > *:not(.setup-backdrop){position:relative; z-index:1}
body.calm-motion .setup-backdrop .tile{opacity:.22}
body.high-contrast .setup-backdrop{display:none}

/* Typed-words editor */
.ownwords-input{
  width:100%; min-height:190px; padding:14px 16px; border-radius:16px;
  border:4px solid var(--line); background:#fff; font:inherit; font-weight:700;
  font-size:var(--fs-md); line-height:1.5; resize:vertical; color:var(--ink);
}
.ownwords-input:focus-visible{outline:4px solid var(--w-sky); outline-offset:2px}

/* ==========================================================================
   Start screen density — the three primary actions (Play, Quick game, Type
   your own words) must be reachable without scrolling on a 1280x720 projector,
   which is the commonest classroom display. Give the copy column more room and
   trim vertical padding rather than shrinking the touch targets.
   ========================================================================== */
.setup-hero{
  grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);
  align-items:start;
  padding-top:clamp(12px,1.6vw,22px);
  padding-bottom:clamp(6px,1vw,14px);
}
.setup-hero .h-hero{margin-top:8px !important}
.setup-hero .lead{margin-top:8px;max-width:44ch;font-size:var(--fs-md)}
.hero-art{align-self:start;padding-top:8px}

@media (max-height:820px){
  .setup-hero .eyebrow{display:none}          /* decorative only */
  .setup-hero .lead{display:none}             /* the tutorial explains this */
  .setup-hero{padding-top:10px}
}
@media (max-width:900px){
  .setup-hero{grid-template-columns:minmax(0,1fr)}
  .hero-art{display:none}                     /* the header keeps the mark */
}

/* Word-only corners: no picture tile, so the word itself carries the corner
   and is sized to be read from across a classroom. */
.corner .word.word-only{
  font-size:clamp(1.5rem,4.4vh,3.2rem);
  line-height:1.1;
  padding:.35em .6em;
}

/* ==========================================================================
   Sound toggle — one button, two unmistakable states, on every screen.
   Sound ON is quiet and neutral; MUTED is deliberately loud so a silent room
   is never a mystery mid-lesson.
   ========================================================================== */
.soundbtn{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--paper); border:4px solid var(--line-strong);
  color:var(--ink); font-weight:800; white-space:nowrap;
}
.soundbtn .soundbtn-label{font-size:var(--fs-xs); letter-spacing:.01em}
.soundbtn.is-muted{
  background:#FFE2E2; border-color:var(--w-red); color:#8E1520;
}
.soundbtn.is-muted .ico{transform:scale(1.06)}
.soundbtn:focus-visible{outline:4px solid var(--w-sky); outline-offset:2px}
/* Under high contrast the colour alone must not carry the meaning. */
body.high-contrast .soundbtn.is-muted{background:#000; color:#fff; border-color:#fff}
/* Tight headers on phones: keep the icon, drop the words. */
@media (max-width:560px){ .soundbtn .soundbtn-label{display:none} }

/* ==========================================================================
   Board crests — Wellesley marks behind the playing area.

   A different treatment from the menu collage on purpose: much fainter, a
   fresh random scatter every round, and confined to the stage (the centre
   column of the board grid) so a crest can never sit under a vocabulary
   corner. Positions are set inline by scatterCrests().
   ========================================================================== */
.board-crests{
  position:absolute; inset:0; z-index:0;
  pointer-events:none; overflow:hidden;
  border-radius:var(--r-lg);
}
.board-crests .crest-tile{
  position:absolute;
  /* Must match the tileW used by scatterCrests() so placement maths holds. */
  width:min(42%,190px); aspect-ratio:3/2;
  background:url("../brand/wellesley-hifi.svg") center/contain no-repeat;
  filter:saturate(.85);
  will-change:transform;
}
/* Everything the class actually reads sits above the crests. */
.board .stage > *:not(.board-crests){position:relative; z-index:1}
/* Colour must never be the only carrier of meaning on the board. */
body.high-contrast .board-crests{display:none}