/* ============ 123ONABACUS DESIGN SYSTEM — TypePlay family theme ============
   Token values follow TypePlay (KEY2TYPE16 public/css/style.css): soft sky
   light theme, twilight-navy dark theme (never pure black), blue primary,
   system font stack for body. Display voice stays Baloo 2, the abacus
   stays wooden, Nova stays Nova — the kid-product identity is unchanged. */
:root{
 --font-d:'Baloo 2','Noto Sans Devanagari','Trebuchet MS',sans-serif;
 --font-b:'Segoe UI','Inter',system-ui,-apple-system,'Noto Sans Devanagari',sans-serif;
 --bg:#f2f7fb; --bg2:#ffffff; --bg3:#edf3f8;
 --ink:#243447; --ink2:#6b7c93;
 --line:#e3ebf3; --line2:#cfdcea;
 --coral:#2f80ed; --coral-d:#1b5fc0; --coral-s:#e3edfb;
 --teal:#27c69a; --teal-d:#0e6b52; --teal-s:#dcf3ea;
 --sun:#f59e0b; --sun-d:#9a6206; --sun-s:#fdf0d7;
 --sky:#3E9BD6; --sky-d:#2B77A8; --berry:#C2588F; --leaf:#5CB270;
 --ok:#1da273; --ok-s:#ddf3e9;
 --header-bg:#203764;
 --tint:#e9f2ec; --top:#e9f1e4;
 --wood:#DDA056; --wood-d:#A9713A; --rail:#B3AC9A; --well:#FFFDF6; --beam:#CE9248;
 --shadow:0 18px 40px rgba(36,52,71,.14); --shadow-sm:0 6px 18px rgba(36,52,71,.10);
 --r-lg:26px; --r-md:18px;
 --ease-pop:cubic-bezier(.25,1.45,.4,1);
}
[data-theme="dark"]{
 --bg:#1d2b4c; --bg2:#172A46; --bg3:#223254;
 --ink:#d4dce8; --ink2:#7e92a8;
 --line:#2e4460; --line2:#3a4c73;
 --coral:#2f80ed; --coral-d:#1b5fc0; --coral-s:#24385e;
 --teal:#2fc79c; --teal-d:#62d9b0; --teal-s:#16283f;
 --sun:#f0c26b; --sun-d:#d9a94f; --sun-s:#33291a;
 --sky:#5FB3E8; --sky-d:#2E6D99; --berry:#D98DBA; --leaf:#7ACB8E;
 --ok:#3ECF94; --ok-s:#173328;
 --tint:#223254; --top:#1d2b4c;
 --wood:#6E4A28; --wood-d:#452E14; --rail:#585F76; --well:#1B2136; --beam:#8A5F33;
 --shadow:0 20px 46px rgba(0,0,0,.5); --shadow-sm:0 7px 20px rgba(0,0,0,.4);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scrollbar-gutter:stable;scroll-padding-top:76px}
body{font-family:var(--font-b);color:var(--ink);background:linear-gradient(180deg,var(--top),var(--tint));font-size:16.5px;line-height:1.55;
  -webkit-font-smoothing:antialiased;touch-action:manipulation;min-height:100dvh;transition:background .25s,color .25s}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
 background-image:radial-gradient(var(--line2) 1.1px,transparent 1.1px);background-size:32px 32px;opacity:.22}
[data-theme="dark"] body::before{background-image:radial-gradient(#F2ECDB 1px,transparent 1px),radial-gradient(#F2ECDB .8px,transparent .8px);
 background-size:180px 180px,110px 110px;background-position:0 0,60px 70px;opacity:.13}
/* Fixed rolling-hills backdrop on EVERY page (TypePlay tp-env family
   look): pale day greens, twilight hill navys in dark mode. Lives behind
   #app (z-index 1), never intercepts touches. */
body::after{content:"";position:fixed;left:0;right:0;bottom:0;height:min(240px,30vh);z-index:0;pointer-events:none;
 background:
  radial-gradient(130% 230px at 12% 100%,#b7d8ac 62%,transparent 63%),
  radial-gradient(150% 260px at 88% 100%,#c7e3c2 62%,transparent 63%)}
[data-theme="dark"] body::after{background:
  radial-gradient(130% 230px at 12% 100%,#2c3f66 62%,transparent 63%),
  radial-gradient(150% 260px at 88% 100%,#26375c 62%,transparent 63%)}
img,svg{display:block}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--sun-d);outline-offset:3px;border-radius:8px}
::selection{background:var(--sun-s)}
h1,h2,h3,h4{font-family:var(--font-d);line-height:1.12;font-weight:700}
#app{position:relative;z-index:1}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.section{padding:70px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-d);font-weight:700;font-size:13px;
 letter-spacing:.14em;text-transform:uppercase;color:var(--teal-d);background:var(--teal-s);padding:7px 15px;border-radius:999px}
.eyebrow .ic{width:15px;height:15px}
.h-display{font-size:clamp(34px,5vw,56px);font-weight:800;margin:18px 0 14px}
.h-sec{font-size:clamp(25px,3.3vw,37px);font-weight:800;margin:14px 0 10px}
.lead{font-size:clamp(16.5px,1.6vw,19px);color:var(--ink2);max-width:58ch}
.muted{color:var(--ink2)}.center{text-align:center}
.ic{flex:none}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font-d);font-weight:700;
 font-size:17px;color:#fff;background:var(--coral);border-radius:22px;padding:14px 28px;min-height:54px;user-select:none;
 box-shadow:0 6px 0 var(--coral-d),0 16px 28px rgba(70,50,20,.18);transition:transform .12s,box-shadow .12s,filter .15s;white-space:nowrap}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(4px);box-shadow:0 2px 0 var(--coral-d),0 5px 10px rgba(70,50,20,.14)}
.btn .ic{width:20px;height:20px}
.btn-teal{background:var(--teal);box-shadow:0 6px 0 var(--teal-d),0 16px 26px rgba(70,50,20,.15)}
.btn-teal:active{box-shadow:0 2px 0 var(--teal-d),0 4px 10px rgba(70,50,20,.1)}
.btn-sun{background:var(--sun);color:#4A3200;box-shadow:0 6px 0 var(--sun-d),0 16px 26px rgba(70,50,20,.15)}
.btn-sun:active{box-shadow:0 2px 0 var(--sun-d),0 4px 10px rgba(70,50,20,.1)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:none;border:2.5px solid var(--line2)}
.btn-ghost:active{transform:translateY(2px)}
.btn-ghost:hover{background:var(--bg3)}
.btn-sm{font-size:15px;padding:9px 18px;min-height:44px;border-radius:18px}
.btn-lg{font-size:20px;padding:17px 36px;min-height:62px;border-radius:26px}
.btn-icon{width:48px;height:48px;min-height:48px;padding:0;border-radius:50%;background:var(--bg2);color:var(--ink);
 border:1.5px solid var(--line);box-shadow:var(--shadow-sm);display:inline-flex;align-items:center;justify-content:center;
 transition:transform .12s,background .15s}
.btn-icon:active{transform:scale(.9)}
.btn-icon:hover{background:var(--bg3)}
.btn-icon .ic{width:21px;height:21px}
.chip{display:inline-flex;align-items:center;gap:7px;font-weight:800;font-size:15px;background:var(--bg2);
 border:1.5px solid var(--line);border-radius:999px;padding:7px 14px;box-shadow:var(--shadow-sm)}
.chip .ic{width:17px;height:17px;color:var(--sun-d)}
.skip-link{position:absolute;left:16px;top:-60px;z-index:200;background:var(--bg2);color:var(--ink);
 font-weight:800;padding:10px 18px;border-radius:12px;border:2px solid var(--line2);transition:top .2s}
.skip-link:focus{top:12px}
.panel{background:var(--bg2);border:1.5px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:28px}
.fade-up{animation:fadeUp .6s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}}
.divider{height:1.5px;background:var(--line);border:none;margin:24px 0}
/* ---------- public header — TypePlay navy family look ----------
   Solid twilight-navy bar (same in light + dark, like TypePlay's
   --header-bg): white wordmark, pale nav links, translucent icon pills,
   blue CTA. Lesson focus mode still hides it (rule below). */
.site-head{position:sticky;top:0;z-index:50;background:var(--header-bg);color:#fff;border-bottom:none}
.head-inner{max-width:1120px;margin:0 auto;padding:10px 24px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:800;font-size:22px;justify-self:start;white-space:nowrap;color:#fff}
.head-nav{display:flex;gap:4px;justify-self:center}
.head-nav a{font-weight:600;font-size:15px;padding:7px 14px;border-radius:999px;color:#cfd9e4;transition:background .15s,color .15s;white-space:nowrap}
.head-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.head-nav a.on{background:rgba(255,255,255,.15);color:#fff}
.head-actions{display:flex;align-items:center;gap:10px;justify-self:end}
/* Translucent pills on navy (TypePlay stat-pill vibe) — scoped so the
   lesson player + bubble icon buttons keep their light style. */
.site-head .btn-icon{background:rgba(255,255,255,.12);border:1.5px solid transparent;color:#fff;box-shadow:none}
.site-head .btn-icon:hover{background:rgba(255,255,255,.22)}
/* Lesson focus mode: the lesson player owns the top bar, so the marketing
   header steps aside while a lesson is active. Restored on destroy. */
body.lesson-active .site-head{display:none!important}
.burger{display:none}
.mobile-nav{display:none;flex-direction:column;padding:8px 24px 16px;gap:2px;background:var(--header-bg);border-bottom:none}
.mobile-nav a{font-weight:700;padding:12px 10px;border-radius:12px;color:#cfd9e4}
.mobile-nav a.mn-go{background:var(--sun);color:#5b3400;margin-top:6px;font-family:var(--font-d);font-size:16.5px}
.mobile-nav.open{display:flex}
.lang-wrap{position:relative}
.lang-pop{position:absolute;right:0;top:54px;background:var(--bg2);border:1.5px solid var(--line);border-radius:18px;
 box-shadow:var(--shadow);padding:10px;min-width:230px;display:none;z-index:60}
.lang-pop.open{display:block;animation:fadeUp .25s ease}
.lang-pop .lp-row{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:12px;font-weight:800;text-align:left}
.lang-pop .lp-row:hover{background:var(--bg3)}
.lang-pop .lp-row.on{background:var(--teal-s);color:var(--teal-d)}
.lang-pop .lp-row .native{flex:1}
.lang-pop .lp-soon{font-family:var(--font-d);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
 background:var(--sun-s);color:var(--sun-d);padding:3px 9px;border-radius:999px}
.lang-note{font-size:12.5px;color:var(--ink2);font-weight:700;padding:8px 12px 4px}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:60px 0 30px}
.hero .wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center}
.hero-title{font-size:clamp(40px,5.4vw,66px);font-weight:800;margin:20px 0 14px}
.hero-title em{font-style:normal;color:var(--coral);position:relative}
.hero-sub{font-size:clamp(16.5px,1.7vw,20px);color:var(--ink2);max-width:52ch;margin-bottom:26px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:16px;flex-wrap:wrap;margin-top:24px;color:var(--ink2);font-weight:700;font-size:14px}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust .ic{width:16px;height:16px;color:var(--teal)}
.hero-scene{position:relative}
.scene-card{position:relative;background:var(--bg2);border:1.5px solid var(--line);border-radius:30px;box-shadow:var(--shadow);
 padding:24px 20px 18px;overflow:hidden}
.scene-hint{position:absolute;top:16px;left:50%;transform:translateX(-50%);font-family:var(--font-d);font-weight:700;font-size:13.5px;
 color:var(--teal-d);background:var(--teal-s);padding:6px 14px;border-radius:999px;white-space:nowrap;display:flex;gap:7px;align-items:center;z-index:3}
.scene-hint .ic{width:15px;height:15px}
.scene-read{margin:10px auto 0;text-align:center;width:max-content;position:relative;z-index:3}
.scene-abi{position:absolute;right:-4px;bottom:14px;width:128px;cursor:pointer;z-index:3}
.feed-bub.hero-greet{position:absolute;right:140px;bottom:118px;z-index:4;width:300px;max-width:calc(100% - 156px);
 margin:0 0 12px;overflow-wrap:anywhere;transition:opacity .5s;
 background:var(--sun-s);border-color:var(--sun-d)}
/* Tail points right, toward Nova (base bubble tails point left). */
.feed-bub.hero-greet::before{left:auto;right:-11px;border:12px solid transparent;
 border-left-color:var(--sun-d);border-right:0}
.feed-bub.hero-greet.hide{opacity:0}
.hills-svg{position:absolute;inset:auto 0 -1px 0;height:110px;width:100%;pointer-events:none;z-index:1}
/* ---------- journey strip ---------- */
.journey{padding:22px 0 8px}
.j-track{display:flex;justify-content:center;flex-wrap:wrap}
.j-step{flex:1 1 150px;max-width:200px;text-align:center;padding:10px 12px;position:relative}
.j-disc{width:60px;height:60px;margin:0 auto 10px;border-radius:50%;display:grid;place-items:center;background:var(--bg2);
 border:2.5px solid var(--line2);color:var(--teal);box-shadow:var(--shadow-sm)}
.j-disc .ic{width:26px;height:26px}
.j-step b{font-family:var(--font-d);font-size:17.5px;display:block}
.j-step p{font-size:13.5px;color:var(--ink2);margin-top:3px}
.j-step::after{content:"";position:absolute;top:38px;right:-23%;width:46%;border-top:3px dashed var(--line2)}
.j-step:last-child::after{display:none}
.map-cloud{animation:drift 34s ease-in-out infinite alternate}
@keyframes drift{to{transform:translateX(46px)}}
/* map/env theme vars (also paint the lesson backdrop — do not remove) */
.map-vars{--m-sky:#EAF2DF;--m-hA:#D3E6C2;--m-hB:#BCDAA6;--m-hC:#A3CD90;--m-sun:#FFD98F;--m-cloud:#FFFFFF;--m-tree:#7BBE72;--m-trunk:#A9784A;--m-path:#93B483;--m-fl:#ED5A2D;--m-fl2:#FFB01E;--m-water:#A8D4E8}
[data-theme="dark"] .map-vars{--m-sky:#1A2138;--m-hA:#212B48;--m-hB:#1B2540;--m-hC:#263252;--m-sun:#F2ECDB;--m-cloud:#2C3858;--m-tree:#2C5A48;--m-trunk:#3E3423;--m-path:#5B6E96;--m-fl:#FF7448;--m-fl2:#FFC355;--m-water:#2E5A78}
.firefly{opacity:0}
[data-theme="dark"] .firefly{animation:ff 3.4s ease-in-out infinite}
[data-theme="dark"] .firefly:nth-child(2n){animation-delay:1.1s}
[data-theme="dark"] .firefly:nth-child(3n){animation-delay:2.2s}
@keyframes ff{0%,100%{opacity:0}50%{opacity:.9}}
/* ---------- HTML sitemap (human page, typing.com-style groups) ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.smap{background:var(--bg2);border:1.5px solid var(--line);border-radius:18px;padding:18px 20px;box-shadow:var(--shadow-sm)}
.smap h2{font-size:18px;margin-bottom:8px}
.smap ul{list-style:none}
.smap li{padding:5px 0;border-top:1px dashed var(--line)}
.smap li:first-child{border-top:0}
.smap a{font-weight:700;font-size:15px;color:var(--teal-d)}
.smap a:hover{text-decoration:underline}
/* ---------- world lesson path ---------- */
.world-head{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.world-disc{width:76px;height:76px;border-radius:24px;display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-sm);flex:none}
.world-disc .ic{width:35px;height:35px}
.lesson-path{margin-top:28px;position:relative;max-width:640px}
.lesson-path::before{content:"";position:absolute;left:31px;top:20px;bottom:20px;border-left:3px dashed var(--line2)}
.lp-item{display:flex;gap:20px;align-items:flex-start;position:relative;padding:0 0 26px}
.lp-disc{width:62px;height:62px;border-radius:50%;flex:none;display:grid;place-items:center;font-family:var(--font-d);font-weight:800;font-size:23px;color:#fff;background:var(--teal);border:4px solid var(--bg2);box-shadow:var(--shadow-sm);position:relative;z-index:1}
.lp-cur .lp-disc{background:var(--coral);animation:ringPulse 1.8s ease-out infinite}
.lp-locked .lp-disc{background:var(--line2)}
.lp-stars{display:flex;gap:3px;margin:5px 0 6px}
.lp-stars .ic{width:19px;height:19px;color:var(--sun)}
.lp-stars .off{color:var(--line2)}
.lp-info h3{font-size:20px}
.lp-info p{color:var(--ink2);font-size:14px;margin:2px 0 10px}
.lp-actions{display:flex;gap:10px;flex-wrap:wrap}
/* ---------- world lesson grid (TypePlay principle, our visuals) ---------- */
.learn-world{margin-top:38px;padding-top:26px;border-top:2px dashed var(--line)}
.learn-world:first-of-type{margin-top:22px;padding-top:0;border-top:0}
.l-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:20px}
.l-card{position:relative;background:var(--bg2);border:2px solid var(--line);border-radius:20px;
 padding:14px 12px;display:flex;flex-direction:column;align-items:center;gap:7px;text-align:center;
 text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);min-height:196px;font-family:inherit;cursor:pointer}
a.l-card:hover{border-color:var(--teal)}
.l-card .l-num{position:absolute;top:10px;left:14px;font-family:var(--font-d);font-weight:800;font-size:22px;color:var(--ink2)}
.l-card .l-done{position:absolute;top:10px;right:10px;width:26px;height:26px;border-radius:50%;background:var(--teal);
 color:#fff;display:grid;place-items:center}
.l-card .l-lock{position:absolute;top:12px;right:12px;color:var(--line2)}
.l-card .l-ic{width:56px;height:56px;border-radius:18px;background:var(--bg3);display:grid;place-items:center;color:var(--teal-d);margin-top:14px}
.l-card .l-kind{font-family:var(--font-d);font-weight:800;font-size:11px;letter-spacing:.1em;padding:3px 10px;border-radius:999px}
.k-story{background:var(--teal-s);color:var(--teal-d)}
.k-learn{background:var(--sun-s);color:var(--sun-d)}
.k-practice{background:#E8EDFB;color:#2F4E9E}
.k-game{background:#E9E4FA;color:#5B3E9E}
.k-quiz{background:var(--coral-s);color:var(--coral-d)}
.k-challenge{background:var(--sun);color:#5b3400}
.l-card .l-title{font-weight:800;font-size:16px;line-height:1.25}
.l-card .l-mins{font-size:12.5px;color:var(--ink2);font-weight:700}
.l-card .btn{margin-top:auto}
.l-card .l-go{display:inline-flex;align-items:center;gap:6px;margin-top:8px;background:var(--coral);color:#fff;
 font-family:var(--font-d);font-weight:800;font-size:13px;letter-spacing:.06em;padding:8px 18px;border-radius:999px;
 box-shadow:var(--shadow-sm);max-width:100%}
.l-card .l-replay{font-size:12.5px;font-weight:800;color:var(--teal-d);display:inline-flex;align-items:center;gap:5px}
.l-card.done{border-color:var(--teal)}
.l-card.cur{border-color:var(--coral);box-shadow:var(--shadow)}
.l-card.open{opacity:.92}
.l-card.locked{background:var(--bg3);color:var(--ink2)}
.l-progress{height:10px;background:var(--bg3);border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-top:8px;max-width:280px}
.l-progress i{display:block;height:100%;background:var(--teal)}
@media(max-width:480px){.l-grid{grid-template-columns:repeat(2,1fr);gap:10px}.l-card{min-height:180px;padding:12px 8px}}
@media(max-width:360px){.l-grid{grid-template-columns:1fr}}
/* ---------- story track units ---------- */
.unit{background:var(--bg2);border:1.5px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:20px 22px}
.unit-h{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.unit-badge{width:46px;height:46px;border-radius:15px;background:var(--uc,#ED5A2D);color:#fff;display:grid;place-items:center;
 font-family:var(--font-d);font-weight:800;font-size:21px;flex:none}
.unit-h h3{font-size:21px}
.unit-h h3 a{text-decoration:none}
.unit-h p{color:var(--ink2);font-size:14px;margin-top:2px}
.unit-meta{margin-left:auto;min-width:170px;font-weight:700;font-size:13px;color:var(--ink2)}
.unit-meta .bar{height:10px;background:var(--bg3);border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-top:6px}
.unit-meta .bar i{display:block;height:100%;background:var(--uc,#ED5A2D)}
.unit-meta .tr{color:var(--sun-d)}
.unit .lesson-path{margin-top:18px}
.unit .lesson-path::before{display:none}
.unit .lp-item{padding-bottom:16px}
/* ---------- kid shell ---------- */
.kid-app{min-height:100dvh;display:flex;flex-direction:column}
.kid-head{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(12px);border-bottom:1.5px solid var(--line)}
.kh-inner{max-width:980px;margin:0 auto;padding:10px 18px;display:flex;align-items:center;gap:12px}
.kh-title{font-family:var(--font-d);font-weight:800;font-size:19px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kid-stats{display:flex;gap:8px}
/* Stable stat pills: values hydrate 0 -> real numbers after load; reserved
   width + tabular figures keep the pill from breathing. */
.kid-stats .chip{min-width:64px;justify-content:center;text-align:center;font-variant-numeric:tabular-nums}
.kid-stats.bump{animation:chipBump .55s var(--ease-pop)}
@keyframes chipBump{0%{transform:scale(1)}35%{transform:scale(1.09)}100%{transform:scale(1)}}
.kid-main{flex:1;width:100%;max-width:980px;margin:0 auto;padding:24px 18px 56px}
.kid-foot{padding:18px;text-align:center;border-top:1.5px solid var(--line);font-size:13.5px;color:var(--ink2)}
.kid-foot a{font-weight:800;color:var(--teal-d);display:inline-flex;align-items:center;gap:6px}
/* Grown-up micro-row: quiet sitemap surface on kid pages, no clutter. */
.kf-micro{font-size:12px;color:var(--ink2)}
.kf-micro a{display:inline-flex;font-weight:700;color:var(--ink2)}
.kid-foot a .ic{width:15px;height:15px}
.cont-card{display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;background:var(--bg2);border:1.5px solid var(--line);
 border-radius:var(--r-lg);box-shadow:var(--shadow);padding:24px 28px;position:relative;overflow:hidden}
.cont-card::after{content:"";position:absolute;inset:auto -30px -46px auto;width:170px;height:170px;border-radius:50%;background:var(--coral-s);opacity:.7;pointer-events:none;z-index:0}
.cont-card>*{position:relative;z-index:1}
.cont-meta .where{font-family:var(--font-d);font-weight:700;font-size:13px;letter-spacing:.13em;text-transform:uppercase;color:var(--coral)}
.cont-meta h2{font-size:clamp(21px,3vw,29px);margin:6px 0 4px}
.stat-row{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}
/* ============================================================
   LESSON PLAYER — horizontal scene theatre
   ============================================================ */
.lesson{height:100dvh;display:flex;flex-direction:column;overflow:hidden}
.lp-top{display:flex;align-items:center;gap:14px;padding:10px 16px;background:color-mix(in srgb,var(--bg) 88%,transparent);border-bottom:1.5px solid var(--line);z-index:5}
.lp-path{position:relative;flex:1;display:flex;align-items:center;justify-content:center;height:46px;min-width:0}
.lp-line{position:absolute;left:10%;right:10%;top:50%;border-top:3px dashed var(--line2)}
.lp-st{position:relative;z-index:1;width:36px;height:36px;border-radius:50%;background:var(--bg2);border:2.5px solid var(--line2);
 display:grid;place-items:center;color:var(--ink2);margin:0 12px;transition:all .35s;flex:none}
.lp-st .ic{width:16px;height:16px}
.lp-st.done{background:var(--teal);border-color:var(--teal);color:#fff}
.lp-st.cur{background:var(--coral);border-color:var(--coral);color:#fff;transform:scale(1.2);box-shadow:0 0 0 5px var(--coral-s)}
.lp-token{position:absolute;top:-14px;width:32px;height:32px;transition:left .85s var(--ease-pop);z-index:2;filter:drop-shadow(0 3px 5px rgba(0,0,0,.25));pointer-events:none}
.lp-view{position:relative;flex:1;min-height:0;display:grid;grid-template-columns:minmax(175px,330px) 1fr;overflow:hidden;
 transition:grid-template-columns .7s cubic-bezier(.3,1,.3,1)}
.lp-env{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.lp-env svg{position:absolute;bottom:0;left:0;width:230%;height:82%;transition:transform 1.2s cubic-bezier(.4,.1,.25,1)}
.lp-abi{position:relative;z-index:3;display:flex;flex-direction:column;padding:10px 2px 6px 12px;min-height:0;transition:opacity .5s,transform .6s}
.abi-bubble{position:relative;background:var(--bg2);border:2px solid var(--line);border-radius:18px;padding:12px 15px;margin:2px 10px 8px 0;
 box-shadow:var(--shadow-sm);min-height:70px;display:flex;flex-direction:column;justify-content:center;flex:none}
.abi-bubble::after{content:"";position:absolute;left:-12px;bottom:16px;border:13px solid transparent;border-right-color:var(--line);border-left:0}
.abi-bubble p{font-weight:800;font-size:16px;line-height:1.42}
.abi-bubble.pop p{animation:bubPop .3s var(--ease-pop)}
@keyframes bubPop{40%{transform:scale(1.03)}}
.bubble-tools{display:flex;align-items:center;gap:6px;margin-top:8px}
.bubble-tools .btn-icon{width:36px;height:36px;min-height:36px}
.bubble-tools .btn-icon .ic{width:16px;height:16px}
.speak-eq{display:inline-flex;gap:3px;align-items:flex-end;height:14px}
.speak-eq i{width:3.5px;border-radius:2px;background:var(--teal);height:6px;opacity:.4}
body[data-speaking="1"] .speak-eq i{animation:eq .5s ease-in-out infinite alternate}
body[data-speaking="1"] .speak-eq i:nth-child(2){animation-delay:.12s}
body[data-speaking="1"] .speak-eq i:nth-child(3){animation-delay:.24s}
@keyframes eq{from{height:4px;opacity:.5}to{height:14px;opacity:1}}
.abi-host{flex:1;min-height:0;display:flex;align-items:flex-end;justify-content:center;transition:transform .65s var(--ease-pop);transform-origin:bottom center}
.abi-host svg.mascot{width:100%;max-width:330px;height:auto;max-height:100%}
.lp-act{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;padding:6px 16px;min-height:0}
.lp-actin{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:safe center;gap:8px;min-height:0;position:relative}
/* Protected title/instruction rows: flex:none so the abacus row can never
   squeeze over them, safe-center so overflow (if any) goes downward. */
.lp-kicker{display:flex;justify-content:center;flex:none;min-height:0;width:100%}
.lp-kicker:empty{display:none}
.mode-pill{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-d);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);background:var(--bg2);border:1.5px solid var(--line);border-radius:999px;padding:5px 15px;box-shadow:var(--shadow-sm)}
.mode-pill .ic{width:14px;height:14px}
.mode-pill.do{background:var(--coral);border-color:var(--coral);color:#fff}
[data-prompt]{flex:none;min-height:0}
/* In-lesson game stage takes the whole action column (the lesson abacus
   is parked), so the game abacus can grow to fill it. */
[data-mode=play] [data-below]{flex:1 1 auto;min-height:0}
.lp-ctrl{display:flex;align-items:center;gap:10px;padding:10px 18px 14px;border-top:1.5px solid var(--line);z-index:5;background:color-mix(in srgb,var(--bg) 90%,transparent)}
/* Next rides the middle-right rail, beside the action column where the
   child just finished working — reachable eyes, reachable thumb. The voice
   button stays bottom-left. Narrow stacked layouts keep the bottom bar. */
.lesson{position:relative}
.next-slot{position:absolute;right:16px;top:50%;transform:translateY(-50%);margin:0;z-index:6}
@media(max-width:820px){.next-slot{position:static;transform:none;margin-left:auto}}
/* staging modes */
[data-mode=do] .lp-view{grid-template-columns:minmax(74px,128px) 1fr}
[data-mode=do] .abi-host{transform:scale(.52) translateY(12%)}
[data-mode=do] .abi-bubble{min-height:56px}
[data-mode=play] .lp-view{grid-template-columns:0px 1fr}
[data-mode=play] .lp-abi{opacity:0;transform:translateX(-30%) scale(.6);pointer-events:none}
[data-mode=cheer] .lp-view{grid-template-columns:minmax(190px,38%) 1fr}
[data-mode=cheer] .abi-host{transform:scale(1.14) translateY(-6%)}
.ab-wrap{flex:1 1 auto;min-height:0;min-width:0;width:100%;display:flex;align-items:safe center;justify-content:safe center;position:relative}
/* prompts / readout */
.prompt{display:flex;align-items:center;gap:16px;background:var(--bg2);border:1.5px solid var(--line);border-radius:22px;
 box-shadow:var(--shadow-sm);padding:10px 24px;min-height:72px}
.prompt-label{font-family:var(--font-d);font-weight:700;font-size:13.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2)}
.prompt-num{font-family:var(--font-d);font-weight:800;font-size:54px;line-height:1;color:var(--coral);min-width:50px;text-align:center}
.prompt-word{font-family:var(--font-d);font-weight:700;font-size:19px;color:var(--teal-d);background:var(--teal-s);padding:6px 16px;border-radius:999px}
.readout{display:flex;align-items:center;gap:14px}
.ro{display:flex;flex-direction:column;align-items:center;gap:2px}
.ro small{font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2)}
.ro b{font-family:var(--font-d);font-weight:800;font-size:27px;line-height:1;background:var(--bg2);border:1.5px solid var(--line);
 border-radius:13px;padding:5px 13px;min-width:54px;text-align:center;box-shadow:var(--shadow-sm)}
.ro-target b{color:var(--teal-d);border-color:var(--teal)}
.ro-now b{color:var(--coral)}
.ro.match b{background:var(--ok-s);color:var(--ok);border-color:var(--ok)}
.ro.match{animation:matchPop .5s ease}
@keyframes matchPop{40%{transform:scale(1.12)}}
.ch-timer{display:flex;align-items:center;gap:10px;width:min(320px,80vw)}
.ch-timer .ic{width:22px;height:22px;color:var(--sun-d);animation:starWiggle 1s ease-in-out infinite}
@keyframes starWiggle{50%{transform:rotate(14deg) scale(1.12)}}
.ch-bar{flex:1;height:15px;background:var(--bg2);border:1.5px solid var(--line);border-radius:999px;overflow:hidden}
.ch-bar i{display:block;height:100%;background:var(--sun);border-radius:999px;transform-origin:left;animation:shrink linear forwards}
@keyframes shrink{from{transform:scaleX(1)}to{transform:scaleX(0)}}
.round-pips{display:flex;gap:6px}
.pip{width:22px;height:22px;color:var(--line2)}
.pip.on{color:var(--sun);animation:matchPop .5s ease}
/* story-track quiz: options, mini abaci, keypad */
.quiz-body{display:flex;flex-direction:column;gap:14px;align-items:center;width:100%}
.quiz-opts{display:flex;flex-direction:column;gap:10px;width:min(480px,100%)}
.quiz-opt{font:inherit;font-weight:700;font-size:16.5px;text-align:left;background:var(--bg2);color:var(--ink);
 border:2px solid var(--line);border-radius:16px;padding:13px 18px;cursor:pointer;box-shadow:var(--shadow-sm)}
.quiz-opt:not(:disabled):hover{border-color:var(--teal)}
.quiz-opt:disabled{cursor:default;opacity:.85}
.quiz-opt.right{background:var(--ok-s);border-color:var(--ok);color:var(--ok)}
.quiz-opt.wrong{background:#FDECEA;border-color:var(--coral)}
.quiz-minis{display:grid;grid-template-columns:repeat(auto-fit,minmax(128px,1fr));gap:12px;width:min(560px,100%)}
.quiz-mini{background:var(--bg2);border:2px solid var(--line);border-radius:16px;padding:8px;cursor:pointer;box-shadow:var(--shadow-sm)}
.quiz-mini:not(:disabled):hover{border-color:var(--teal)}
.quiz-mini:disabled{cursor:default}
.quiz-mini.right{border-color:var(--ok);background:var(--ok-s)}
.quiz-mini.wrong{border-color:var(--coral);background:#FDECEA}
.quiz-abhost{width:120px;margin:0 auto;pointer-events:none}
.quiz-pad{display:flex;flex-direction:column;gap:10px;align-items:center}
.quiz-show{font-family:var(--font-d);font-weight:800;font-size:34px;min-width:120px;text-align:center;
 background:var(--bg2);border:2px solid var(--line);border-radius:14px;padding:4px 20px}
.quiz-keys{display:grid;grid-template-columns:repeat(3,64px);gap:8px}
.quiz-key{font:inherit;font-weight:800;font-size:20px;background:var(--bg2);border:2px solid var(--line);
 border-radius:14px;padding:10px 0;cursor:pointer;color:var(--ink)}
.quiz-key.ok{background:var(--teal);border-color:var(--teal-d);color:#fff}
.quiz-key.bk{background:var(--bg3)}
.showme-btn{animation:nextIn .45s var(--ease-pop)}
.next-btn{animation:nextIn .4s var(--ease-pop)}
@keyframes nextIn{from{transform:scale(.6);opacity:0}}
.scene-sign{background:var(--bg2);border:1.5px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:16px 30px;text-align:center}
.scene-sign small{font-family:var(--font-d);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:12px;color:var(--ink2)}
.scene-sign h3{font-size:clamp(22px,3vw,32px);margin-top:4px}
/* celebrate */
.celebrate{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;animation:nextIn .5s ease;max-width:520px}
.celebrate h2{font-size:clamp(28px,4.2vw,42px)}
.big-stars{display:flex;gap:12px}
.big-stars span{display:flex;color:var(--sun)}
.big-stars .ic{width:56px;height:56px;transform:scale(0);transition:transform .5s var(--ease-pop)}
.big-stars span.on .ic{transform:scale(1)}
.big-stars span.off .ic{transform:scale(1);color:var(--line2)}
.cele-stats{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.badge-earn{display:flex;align-items:center;gap:13px;background:var(--sun-s);border:1.5px solid var(--sun);border-radius:18px;padding:11px 18px;animation:matchPop .6s ease}
.badge-earn .med{width:50px;height:50px;border-radius:50%;background:var(--sun);color:#4A3200;display:grid;place-items:center;flex:none}
.badge-earn .med .ic{width:25px;height:25px}
.badge-earn b{font-family:var(--font-d);font-size:17px;display:block}
.badge-earn small{color:var(--ink2);font-weight:700}
.cele-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:4px}
/* ============================================================
   MASCOT — the TypePlay teacher character (teal buddy with
   antennae). Every legacy data-mood bridges to one of its
   four faces: happy / cheer / wow / sad.
   ============================================================ */
.mascot{overflow:visible}
.mascot .bobg{animation:bob 2.8s ease-in-out infinite alternate}
@keyframes bob{to{transform:translateY(5px)}}
.mascot .body{fill:#4EC6B8;stroke:#3B3229;stroke-width:5}
.mascot .belly{fill:#9AE7DB;stroke:#3B3229;stroke-width:4}
.mascot .foot{fill:#4EC6B8;stroke:#3B3229;stroke-width:4}
.mascot .cheek{fill:#F9A8C0;opacity:.85}
.mascot .eye{fill:#fff;stroke:#3B3229;stroke-width:4.5;transform-box:fill-box;transform-origin:50% 62%;transition:transform .07s}
.mascot.blink .eye{transform:scaleY(.12)}
.mascot .pupil{fill:#3B3229;stroke:none}
.mascot .ant-line{stroke:#3B3229;stroke-width:5;fill:none;stroke-linecap:round}
.mascot .ant-bulb{stroke:#3B3229;stroke-width:4}
.mascot .b-y{fill:#FFC531}.mascot .b-c{fill:#FF6B4A}
.mascot .ant{transform-box:view-box;animation:swayA 3.2s ease-in-out infinite alternate}
.mascot .ant-l{transform-origin:88px 55px}
.mascot .ant-r{transform-origin:132px 55px;animation-delay:.5s}
@keyframes swayA{from{transform:rotate(-6deg)}to{transform:rotate(7deg)}}
.mascot .arm{transform-box:view-box;transition:transform .28s cubic-bezier(.34,1.56,.64,1)}
.mascot .arm-l{transform-origin:62px 118px}
.mascot .arm-r{transform-origin:158px 118px}
.mascot .arm-outline{stroke:#3B3229;stroke-width:17;fill:none;stroke-linecap:round}
.mascot .arm-fill{stroke:#4EC6B8;stroke-width:9.5;fill:none;stroke-linecap:round}
.mascot .mo{stroke:#3B3229;stroke-width:5;fill:none;stroke-linecap:round;display:none}
.mascot .mo-cheer{fill:#3B3229;stroke-width:4}
.mascot .tongue{fill:#FF6B4A;stroke:#3B3229;stroke-width:3;display:none}
/* bridge: default face is happy */
.mascot .mo-happy{display:block}
/* bridge: cheer — celebrate / excited / demo / success / goodbye */
.mascot[data-mood="celebrate"] .mo-happy,.mascot[data-mood="excited"] .mo-happy,
.mascot[data-mood="demo"] .mo-happy,.mascot[data-mood="success"] .mo-happy,
.mascot[data-mood="goodbye"] .mo-happy{display:none}
.mascot[data-mood="celebrate"] .mo-cheer,.mascot[data-mood="excited"] .mo-cheer,
.mascot[data-mood="demo"] .mo-cheer,.mascot[data-mood="success"] .mo-cheer,
.mascot[data-mood="goodbye"] .mo-cheer{display:block}
.mascot[data-mood="celebrate"] .tongue,.mascot[data-mood="excited"] .tongue,
.mascot[data-mood="demo"] .tongue,.mascot[data-mood="success"] .tongue,
.mascot[data-mood="goodbye"] .tongue{display:block}
.mascot[data-mood="celebrate"] .arm-l,.mascot[data-mood="excited"] .arm-l,
.mascot[data-mood="demo"] .arm-l,.mascot[data-mood="success"] .arm-l,
.mascot[data-mood="goodbye"] .arm-l{transform:rotate(80deg)}
.mascot[data-mood="celebrate"] .arm-r,.mascot[data-mood="excited"] .arm-r,
.mascot[data-mood="demo"] .arm-r,.mascot[data-mood="success"] .arm-r,
.mascot[data-mood="goodbye"] .arm-r{transform:rotate(-80deg)}
/* bridge: wow — think / surprised / asking */
.mascot[data-mood="think"] .mo-happy,.mascot[data-mood="surprised"] .mo-happy,
.mascot[data-mood="asking"] .mo-happy{display:none}
.mascot[data-mood="think"] .mo-wow,.mascot[data-mood="surprised"] .mo-wow,
.mascot[data-mood="asking"] .mo-wow{display:block}
/* bridge: sad — sad / correcting (wrong answers) */
.mascot[data-mood="sad"] .mo-happy,.mascot[data-mood="correcting"] .mo-happy{display:none}
.mascot[data-mood="sad"] .mo-sad,.mascot[data-mood="correcting"] .mo-sad{display:block}
/* pointing + waving (legacy data-point / .wave API) */
.mascot[data-point="1"] .arm-r{transform:rotate(-80deg)}
.mascot.wave .arm-l{transform:rotate(80deg)}
.mascot.wave .arm-r{transform:rotate(-80deg)}
/* speaking: Life Engine viseme ellipse takes over the mouth */
.mascot .m-vis{fill:#3B3229;stroke:none;display:none}
.mascot[data-speaking="1"] .mo{display:none!important}
.mascot[data-speaking="1"] .tongue{display:none!important}
.mascot[data-speaking="1"] .m-vis{display:block}
/* ============================================================
   ABACUS
   ============================================================ */
.abacus{position:relative;margin:0 auto;user-select:none;-webkit-user-select:none}
.ab-scale{transform-origin:0 0;position:absolute;top:0;left:0}
.nb-frame{position:relative;border-radius:24px;
 background:linear-gradient(180deg,color-mix(in srgb,var(--wood) 84%,#fff),var(--wood) 34%,color-mix(in srgb,var(--wood) 76%,#000));
 box-shadow:0 10px 24px rgba(60,40,10,.24),inset 0 2px 0 rgba(255,255,255,.35),inset 0 -4px 0 rgba(0,0,0,.18)}
.nb-frame::before{content:"";position:absolute;inset:0;border-radius:24px;pointer-events:none;
 background:repeating-linear-gradient(94deg,rgba(70,40,10,.06) 0 2px,transparent 2px 16px)}
.nb-frame.hl{animation:partPulse 1.2s ease-in-out infinite}
.nb-well{position:relative;margin:0 auto;border-radius:14px;background:var(--well);
 box-shadow:inset 0 5px 12px rgba(0,0,0,.2),inset 0 -2px 5px rgba(255,255,255,.12);transition:box-shadow .3s}
.nb-well.win{box-shadow:inset 0 5px 12px rgba(0,0,0,.2),0 0 0 5px var(--ok),0 0 26px var(--ok)}
.nb-well.locked .nb-bead{cursor:default}
.nb-beam{position:absolute;left:5px;right:5px;border-radius:9px;z-index:2;
 background:linear-gradient(180deg,color-mix(in srgb,var(--beam) 80%,#fff),var(--beam) 55%,color-mix(in srgb,var(--beam) 72%,#000));
 box-shadow:0 2px 4px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.4)}
.nb-beam.hl{animation:partPulse 1.2s ease-in-out infinite}
.nb-dotm{position:absolute;width:12px;height:12px;border-radius:50%;z-index:3;transform:translateX(-50%);
 background:radial-gradient(circle at 35% 30%,#fff,color-mix(in srgb,var(--wood-d) 60%,#000));
 border:none;padding:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
.nb-dotm:focus-visible{outline:3px solid var(--sun-d);outline-offset:3px}
.nb-dotm.zap{animation:dotzap .8s ease}
@keyframes dotzap{0%{box-shadow:0 0 0 0 rgba(255,176,30,.75)}100%{box-shadow:0 0 0 12px rgba(255,176,30,0)}}
/* Anchor bead: earth bead 1 carries a small red pip (SvelteKit's "red first"
   bead, palette-safe) so "push ONE bead up" has a visible starting point.
   Hint arrows win while hinting. */
.nb-bead.nb-earth[data-b="1"]:not(.hint):not(.hint2)::after{content:"";position:absolute;top:4px;left:50%;
 transform:translateX(-50%);width:7px;height:7px;border-radius:50%;background:#E4483B;
 box-shadow:inset 0 -1px 0 rgba(0,0,0,.3),0 0 0 2px rgba(255,255,255,.35);pointer-events:none}
.nb-rod{position:absolute;top:0;bottom:0}
.nb-rail{position:absolute;left:50%;transform:translateX(-50%);top:4px;bottom:4px;width:11px;border-radius:6px;
 background:linear-gradient(90deg,color-mix(in srgb,var(--rail) 60%,#fff),var(--rail) 45%,color-mix(in srgb,var(--rail) 62%,#000))}
.nb-rail.hl{animation:partPulse 1.2s ease-in-out infinite}
.nb-bead{position:absolute;left:50%;transform:translateX(-50%);border:none;padding:0;border-radius:13px;cursor:grab;z-index:4;
 touch-action:none;-webkit-tap-highlight-color:transparent;transition:top .3s var(--ease-pop);
 background:radial-gradient(130% 150% at 32% 16%,color-mix(in srgb,var(--bc) 72%,#fff),var(--bc) 52%,color-mix(in srgb,var(--bc) 80%,#000));
 box-shadow:inset 0 -6px 0 color-mix(in srgb,var(--bc) 70%,#000),inset 0 3px 0 rgba(255,255,255,.38),0 3px 6px rgba(0,0,0,.16)}
.nb-bead.nb-earth{width:62px;height:34px}
.nb-bead.nb-heaven{width:70px;height:40px;border-radius:15px}
.nb-bead:focus-visible{outline:3px solid var(--sun-d);outline-offset:2px}
.nb-bead.drag{transition:none;z-index:6;cursor:grabbing;
 box-shadow:inset 0 -6px 0 color-mix(in srgb,var(--bc) 70%,#000),inset 0 3px 0 rgba(255,255,255,.38),0 12px 20px rgba(0,0,0,.3)}
.nb-bead.no-anim{transition:none}
/* Physical tap feedback (press/flash semantics, storybook skin): beads sink
   while pressed, glow gently on a correct build, shake softly on a wrong one. */
.nb-bead.press{transform:translateX(-50%) translateY(3px) scale(.96);
 box-shadow:inset 0 -3px 0 color-mix(in srgb,var(--bc) 70%,#000),inset 0 3px 0 rgba(255,255,255,.38),0 1px 3px rgba(0,0,0,.2)}
.nb-bead.flash-ok{box-shadow:inset 0 -6px 0 color-mix(in srgb,var(--bc) 70%,#000),inset 0 3px 0 rgba(255,255,255,.38),0 0 0 4px var(--ok-s),0 0 18px var(--ok)}
.nb-bead.flash-err{animation:beadShake .25s ease}
@keyframes beadShake{0%,100%{margin-left:0}30%{margin-left:-4px}70%{margin-left:4px}}
/* Desktop hover affordance: beads glow faintly inviting touch. Touch first —
   hover never carries meaning on its own. */
@media(hover:hover){.nb-bead:hover{filter:brightness(1.08)}}
/* Reduced motion: keep causal movement (launches, bead travel), soften the
   decorative flicker and bobbing. */
@media (prefers-reduced-motion:reduce){
 .rocket .rflame,.cave-card .spark{animation:none}
 .balloon{animation:none}
 .rocket.fly::after{display:none}
}
.nb-bead.hint{animation:hintPulse 1.15s ease-in-out infinite}
@keyframes hintPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,176,30,.75),inset 0 -6px 0 color-mix(in srgb,var(--bc) 70%,#000),inset 0 3px 0 rgba(255,255,255,.38)}
 55%{box-shadow:0 0 0 11px rgba(255,176,30,0),inset 0 -6px 0 color-mix(in srgb,var(--bc) 70%,#000),inset 0 3px 0 rgba(255,255,255,.38)}}
.nb-bead.hint2{animation:hintPulse .8s ease-in-out infinite}
.nb-bead.hint2::after{content:"";position:absolute;top:-17px;left:50%;transform:translateX(-50%);
 border:8px solid transparent;border-bottom-color:var(--sun-d);animation:arrowBob .7s ease-in-out infinite alternate}
@keyframes arrowBob{to{transform:translateX(-50%) translateY(-6px)}}
.nb-bead.hl{animation:partPulse 1.2s ease-in-out infinite}
@keyframes partPulse{0%,100%{filter:brightness(1)}50%{filter:brightness(1.3)}}
/* Semantic teaching focus: the named part glows while everything else
   steps back, so the child's eye lands exactly where the voice points. */
.abacus.focusing .nb-rail:not(.hl),.abacus.focusing .nb-beam:not(.hl),.abacus.focusing .nb-bead:not(.hl){opacity:.5}
[data-theme="dark"] .nb-bead{box-shadow:inset 0 -6px 0 color-mix(in srgb,var(--bc) 70%,#000),inset 0 3px 0 rgba(255,255,255,.3),0 0 16px color-mix(in srgb,var(--bc) 40%,transparent)}
.nb-bead.p0{--bc:#FF7A50}.nb-bead.p1{--bc:#FFC24B}.nb-bead.p2{--bc:#4EA5D9}.nb-bead.p3{--bc:#C08BE0}.nb-bead.p4{--bc:#4FB168}
.nb-bead.nb-heaven.p0{--bc:#FFB598}.nb-bead.nb-heaven.p1{--bc:#FFDFA0}.nb-bead.nb-heaven.p2{--bc:#A3D2EF}.nb-bead.nb-heaven.p3{--bc:#DCBCEC}.nb-bead.nb-heaven.p4{--bc:#A5DEB4}
[data-theme="dark"] .nb-bead.p0{--bc:#FF8F6B}[data-theme="dark"] .nb-bead.p1{--bc:#FFD066}[data-theme="dark"] .nb-bead.p2{--bc:#66B7E8}
[data-theme="dark"] .nb-bead.p3{--bc:#D0A3EC}[data-theme="dark"] .nb-bead.p4{--bc:#84D095}
[data-theme="dark"] .nb-bead.nb-heaven.p0{--bc:#FFBCA2}[data-theme="dark"] .nb-bead.nb-heaven.p1{--bc:#FFE6AC}
[data-theme="dark"] .nb-bead.nb-heaven.p2{--bc:#B0DDF5}[data-theme="dark"] .nb-bead.nb-heaven.p3{--bc:#E6CFF2}[data-theme="dark"] .nb-bead.nb-heaven.p4{--bc:#B2E8BF}
.nb-bubbles{display:flex;justify-content:center}
.nb-bub{width:86px;text-align:center}
.nb-bub b{display:inline-grid;place-items:center;min-width:34px;height:34px;padding:0 8px;font-family:var(--font-d);font-weight:800;
 font-size:19px;color:var(--teal-d);background:var(--bg2);border:1.5px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm)}
.nb-bub small{display:block;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2);margin-top:3px}
.pop-num{position:absolute;z-index:9;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
 font-family:var(--font-d);font-weight:800;font-size:22px;color:#4A3200;background:var(--sun);border:3px solid var(--bg2);
 box-shadow:var(--shadow-sm);transform:translate(-50%,0) scale(.4);opacity:0;pointer-events:none;animation:popUp .95s var(--ease-pop) forwards}
@keyframes popUp{12%{opacity:1;transform:translate(-50%,2px) scale(1.15)}30%{transform:translate(-50%,-6px) scale(1)}100%{opacity:0;transform:translate(-50%,-52px) scale(.9)}}
/* ============================================================
   GAMES
   ============================================================ */
.gh{display:flex;flex-direction:column;height:100%;min-height:0}
.gh-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:8px}
.gh-title{font-family:var(--font-d);font-weight:800;font-size:clamp(19px,2.6vw,25px);flex:1;min-width:140px}
.gh-tabs{display:flex;gap:6px;background:var(--bg2);padding:5px;border-radius:999px;border:1.5px solid var(--line);box-shadow:var(--shadow-sm)}
.gh-tab{font-family:var(--font-d);font-weight:700;font-size:14.5px;padding:8px 17px;min-height:44px;display:inline-flex;align-items:center;border-radius:999px;color:var(--ink2);transition:all .15s;white-space:nowrap}
.gh-tab:hover{background:var(--bg3);color:var(--ink)}
.gh-tab:active{transform:scale(.93)}
.gh-tab.on{background:var(--teal);color:#fff}
.gh-tab.on:hover{background:var(--teal);color:#fff}
.gh-tab .rec-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--sun);margin-right:6px;vertical-align:2px}
.gh-guide{display:flex;align-items:center;gap:12px;background:var(--bg2);border:1.5px solid var(--line);border-radius:18px;
 padding:8px 14px;box-shadow:var(--shadow-sm);margin-bottom:8px;min-height:64px}
.gh-guide .gh-abi{width:76px;flex:none}
.gh-guide .gh-abi svg.mascot{width:100%;height:auto}
.gh-bubble{flex:1;font-weight:800;font-size:15.5px;line-height:1.35}
.gh-stage{flex:1;min-height:0;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.g-abslot{flex:1;min-height:0;min-width:0;width:100%;display:flex;align-items:safe center;justify-content:safe center}
/* feed */
.feed-wrap{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%;flex:1;min-height:0}
/* Feed composition: target column beside a full-height abacus slot, live
   readout underneath — apples → MAKE → beads → HAVE → match. */
.feed-main{display:flex;align-items:stretch;justify-content:center;gap:18px;flex:1;min-height:0;width:100%}
.feed-side{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;flex:none;width:min(300px,44%);min-height:0}
.feed-abi-slot{width:104px;flex:none}
.feed-bub{width:100%;max-width:300px;background:var(--bg2);border:1.5px solid var(--line);border-radius:18px;border-bottom-left-radius:5px;
 padding:11px 17px;font-weight:800;font-size:16.5px;box-shadow:var(--shadow-sm);position:relative;margin-bottom:12px}
.feed-bub::before{content:"";position:absolute;left:-11px;bottom:12px;border:12px solid transparent;border-right-color:var(--line);border-left:0}
.feed-prompt{flex:none;display:flex;justify-content:center;width:100%}
.feed-prompt .prompt{min-height:0}
.feed-readout{display:flex;justify-content:center;flex:none;min-height:0}
.feed-readout .ro b{font-size:34px;padding:6px 18px;min-width:64px}
.feed-abi-slot svg.mascot{width:100%;height:auto}
.feed-bub{max-width:300px;background:var(--bg2);border:1.5px solid var(--line);border-radius:18px;border-bottom-left-radius:5px;
 padding:11px 17px;font-weight:800;font-size:16.5px;box-shadow:var(--shadow-sm);position:relative;margin-bottom:12px}
.feed-bub::before{content:"";position:absolute;left:-11px;bottom:12px;border:12px solid transparent;border-right-color:var(--line);border-left:0}
.apples{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;background:var(--bg2);border:1.5px solid var(--line);
 border-radius:18px;padding:8px 14px;box-shadow:var(--shadow-sm);min-height:56px;min-width:130px;align-items:center;flex:none}
.apples .apple{animation:bob 2.6s ease-in-out infinite}
.apples .apple:nth-child(2n){animation-delay:.4s}
.apples .apple:nth-child(3n){animation-delay:.9s}
.fly-apple{position:fixed;z-index:90;pointer-events:none;transition:transform .55s cubic-bezier(.4,.1,.6,1),opacity .55s}
/* rocket */
.rocket-zone{display:flex;align-items:flex-end;gap:26px;flex:none}
.rocket-pad{position:relative;width:130px;height:148px;display:grid;place-items:end center}
.rocket{width:62px;position:relative;transition:transform .18s ease-out,opacity .3s}
.rocket-pad.pre .rocket{transform:translateY(9px) scale(.94)}
.rocket.fly{transform:translateY(-190px);transition:transform 1.25s cubic-bezier(.45,.05,.85,.45)}
.rocket.land{opacity:0}
.rocket .rflame{opacity:0;transform:scaleY(.2);transform-origin:50% 0}
.rocket.fly .rflame{opacity:1;animation:flame .18s ease-in-out infinite alternate}
.rocket.fly::after{content:"";position:absolute;left:50%;top:96%;transform:translateX(-50%);width:26px;height:70px;
 background:linear-gradient(180deg,rgba(255,176,30,.9),rgba(237,90,45,0));border-radius:0 0 50% 50%;filter:blur(2px);
 animation:trail .28s ease-in-out infinite alternate;pointer-events:none}
@keyframes trail{from{opacity:.65;transform:translateX(-50%) scaleY(.85)}to{opacity:1;transform:translateX(-50%) scaleY(1.12)}}
@keyframes flame{from{transform:scaleY(.75)}to{transform:scaleY(1.25)}}
.pad-mound{position:absolute;bottom:-14px;width:180px;height:42px;border-radius:50%;background:var(--teal-s);z-index:-1}
.eq-card{display:flex;align-items:center;gap:16px;background:var(--bg2);border:1.5px solid var(--line);border-radius:22px;
 padding:12px 26px;box-shadow:var(--shadow-sm)}
.eq-nums{font-family:var(--font-d);font-weight:800;font-size:42px;letter-spacing:.04em}
.eq-nums .qm{color:var(--coral)}
.eq-card.done{animation:eqPop .45s var(--ease-pop)}
@keyframes eqPop{0%{transform:scale(1)}40%{transform:scale(1.1);box-shadow:0 0 0 5px var(--teal-s),var(--shadow-sm)}100%{transform:scale(1)}}
.eq-card.streak{box-shadow:0 0 0 4px var(--sun-s),0 0 22px rgba(255,176,30,.55)}
.dots-aid{display:flex;gap:16px;justify-content:center}
.dots-aid .grp{display:flex;gap:4px;flex-wrap:wrap;max-width:160px;justify-content:center}
.dots-aid i{width:11px;height:11px;border-radius:50%;background:var(--sky);display:block}
.dots-aid .grp:last-child i{background:var(--coral)}
/* balloons */
.balloon-row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;flex:none;padding-top:6px}
.balloon{position:relative;width:108px;height:130px;border-radius:50% 50% 48% 48%;display:grid;place-items:center;
 font-family:var(--font-d);font-weight:800;font-size:34px;color:#fff;box-shadow:inset -10px -14px 0 rgba(0,0,0,.14),0 8px 18px rgba(70,50,20,.2);
 animation:bfloat 3.2s ease-in-out infinite alternate;transition:transform .2s}
.balloon::after{content:"";position:absolute;bottom:-26px;left:50%;width:2.5px;height:26px;background:var(--ink2);opacity:.6}
.balloon:nth-child(2){animation-delay:.7s}.balloon:nth-child(3){animation-delay:1.3s}
@keyframes bfloat{from{transform:translateY(0) rotate(-2deg)}to{transform:translateY(-12px) rotate(2deg)}}
.balloon:hover{transform:scale(1.05)}
.balloon.popped{animation:bpop .45s ease forwards;pointer-events:none}
.balloon.miss{filter:saturate(.45) brightness(.93)}
.pop-bit{position:absolute;left:50%;top:50%;width:11px;height:11px;border-radius:50%;pointer-events:none;z-index:6}
.pop-ring{position:absolute;left:50%;top:50%;width:70%;aspect-ratio:1;border:5px solid #fff;border-radius:50%;pointer-events:none;opacity:0}
@keyframes bpop{40%{transform:scale(1.25);opacity:1}100%{transform:scale(.1);opacity:0}}
.balloon.wob{animation:bwob .4s ease}
@keyframes bwob{25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}
/* cave */
.cave-card{position:relative;background:linear-gradient(180deg,#2A2438,#3A3050);border-radius:24px;padding:20px 26px 14px;
 display:flex;align-items:center;justify-content:center;gap:22px;min-height:150px;flex:none;overflow:hidden;
 border:1.5px solid var(--line);box-shadow:var(--shadow-sm)}
.cave-card .spark{position:absolute;width:5px;height:5px;border-radius:50%;background:#FFE79A;animation:ff 2.8s ease-in-out infinite}
.chest{width:120px;flex:none}
.chest .lid{transition:transform .6s var(--ease-pop);transform-origin:60px 34px}
.chest.open .lid{transform:rotate(-38deg) translateY(-6px)}
.chest.rattle{animation:rattle .3s ease}
@keyframes rattle{0%,100%{transform:rotate(0)}25%{transform:rotate(-3deg)}75%{transform:rotate(3deg)}}
.chest-plate{font-family:var(--font-d);font-weight:800;font-size:40px;color:#4A3200;background:var(--sun);border-radius:14px;
 padding:8px 20px;min-width:84px;text-align:center;box-shadow:var(--shadow-sm);transition:opacity .4s}
.chest-plate.mem{opacity:0}
.gem-shelf{display:flex;gap:6px;min-height:34px;align-items:center;flex-wrap:wrap;max-width:220px;justify-content:center}
.gem-shelf .ic{width:22px;height:22px;color:var(--berry);animation:matchPop .5s ease}
/* race */
.op-card{display:flex;align-items:center;gap:18px;background:var(--bg2);border:1.5px solid var(--line);border-radius:22px;
 padding:10px 26px;box-shadow:var(--shadow-sm);flex:none}
.op-big{font-family:var(--font-d);font-weight:800;font-size:54px;line-height:1}
.op-big.minus{color:var(--sky-d)}
.op-big.plus{color:var(--teal-d)}
.chain-pips{display:flex;gap:8px;align-items:center}
.chain-pips .cp{width:16px;height:16px;border-radius:50%;background:var(--bg3);border:1.5px solid var(--line2)}
.chain-pips .cp.on{background:var(--teal);border-color:var(--teal-d);animation:pipPop .4s var(--ease-pop)}
@keyframes pipPop{0%{transform:scale(.4)}55%{transform:scale(1.35)}100%{transform:scale(1)}}
.go-btn{min-width:130px}
/* builder */
.builder-target{display:flex;align-items:center;gap:22px;background:var(--bg2);border:1.5px solid var(--line);border-radius:22px;
 padding:12px 26px;box-shadow:var(--shadow-sm);flex:none}
.bt-num{font-family:var(--font-d);font-weight:800;font-size:56px;line-height:1;color:var(--coral)}
.bt-visual{display:flex;gap:14px;align-items:center;flex-wrap:wrap;max-width:260px}
.bt-visual .grp{display:flex;gap:3px;flex-wrap:wrap;max-width:120px}
.bt-visual i{width:10px;height:10px;border-radius:50%;background:var(--sun);display:block}
.tower{display:flex;gap:10px;align-items:flex-end;height:120px;flex:none}
.tower.done{animation:towerSettle .5s var(--ease-pop)}
@keyframes towerSettle{0%{transform:scale(1)}35%{transform:scale(1.04,.96)}70%{transform:scale(.99,1.01)}100%{transform:scale(1)}}
.tw-col{display:flex;flex-direction:column-reverse;gap:3px;width:26px;position:relative}
.tw-col .blk{height:11px;border-radius:4px;background:var(--teal)}
.tw-col .ghost{background:transparent;border:2px dashed var(--line2)}
.tw-col small{position:absolute;bottom:-18px;left:50%;transform:translateX(-50%);font-size:10px;font-weight:800;
 letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);white-space:nowrap}
/* game result */
.game-result{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;animation:nextIn .5s ease}
.game-result h3{font-size:27px}
.game-result .big-stars .ic{width:52px;height:52px}
/* games hub */
.game-hub-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:22px;align-items:stretch}
.game-tile{position:relative;display:flex;flex-direction:column;gap:10px;overflow:hidden;background:var(--bg2);border:1.5px solid var(--line);
 border-radius:var(--r-lg);box-shadow:var(--shadow);padding:24px;transition:transform .18s,box-shadow .18s}
.game-tile:hover{transform:translateY(-5px);box-shadow:0 22px 44px rgba(70,50,20,.2)}
.game-tile .gt-art{height:104px;display:flex;align-items:center;justify-content:center;gap:14px}
.game-tile h3{font-size:23px}
.game-tile p{color:var(--ink2);font-size:14.5px}
.game-tile .gt-best{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.gt-tag{position:absolute;top:16px;right:16px}
/* tutorial */
.tut-overlay{position:absolute;inset:0;z-index:8;background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(3px);
 display:grid;place-items:safe center;place-content:safe center;overflow:auto;padding:16px;animation:fadeIn .3s ease}
.tut-card{background:var(--bg2);border:1.5px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:22px 26px;max-width:420px;width:100%;max-height:100%;overflow:auto}
.tut-card h3{font-size:21px;margin-bottom:10px}
.tut-row{display:flex;gap:12px;align-items:flex-start;padding:7px 0;font-weight:700;font-size:15px}
.tut-row .tr-ic{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;flex:none}
.tut-row .tr-ic .ic{width:19px;height:19px}
/* ============================================================
   PRACTICE / PROGRESS / PARENT / MISC
   ============================================================ */
.prac-tabs{display:flex;gap:8px;background:var(--bg2);padding:6px;border-radius:999px;border:1.5px solid var(--line);
 box-shadow:var(--shadow-sm);width:max-content;max-width:100%;flex-wrap:wrap}
.tab{font-family:var(--font-d);font-weight:700;font-size:15.5px;padding:10px 20px;border-radius:999px;color:var(--ink2);transition:all .15s;white-space:nowrap}
.tab.on{background:var(--teal);color:#fff}
/* ---------- practice landing + sessions (V1, additive) ---------- */
.prac-hero{display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:center;padding:28px}
.prac-hero-nova{width:120px;max-width:100%}
.prac-hero h1{font-family:var(--font-d);font-weight:800;line-height:1.05;margin:4px 0 8px}
.prac-rec{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:18px;
 background:linear-gradient(180deg,var(--sun-s),var(--bg2) 130%);border-color:var(--sun);padding:22px 26px}
.prac-disc{width:76px;height:76px;border-radius:24px;display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-sm)}
.prac-disc .ic{width:34px;height:34px}
.prac-qbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-family:var(--font-d);font-weight:800;font-size:19px;margin-bottom:12px}
.prac-opts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}
.prac-opt{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--bg2);
 border:2.5px solid var(--line2);border-radius:22px;box-shadow:var(--shadow-sm);padding:20px 10px;min-height:96px;
 font-family:var(--font-d);transition:transform .12s,border-color .12s,background .12s}
.prac-opt b{font-size:40px;font-weight:800;line-height:1}
.prac-opt small{font-size:14px;font-weight:700;color:var(--teal-d)}
.prac-opt:active{transform:scale(.96)}
.prac-opt.good{border-color:var(--teal);background:var(--teal-s)}
.prac-opt.miss{opacity:.45}
.prac-loop{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;margin:30px 0 6px;
 font-family:var(--font-d);font-weight:800;font-size:15.5px}
.prac-loop a,.prac-loop span{display:inline-flex;align-items:center;gap:7px;background:var(--bg2);
 border:1.5px solid var(--line);border-radius:999px;padding:9px 17px;box-shadow:var(--shadow-sm)}
.prac-loop a .ic,.prac-loop span .ic{width:16px;height:16px}
.prac-loop .on{background:var(--teal);border-color:var(--teal-d);color:#fff}
.prac-loop .prac-arrow{background:none;border:0;box-shadow:none;padding:0 2px;color:var(--ink2)}
/* Practice session play row: prompt side + abacus side-by-side (mirrors
   .feed-main so beads stay big and "do this / do it here" share a glance) */
.prac-play{display:flex;align-items:stretch;justify-content:center;gap:18px;width:100%}
.prac-side{flex:none;width:min(300px,42%);display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:12px;min-width:0}
.prac-ab{flex:1 1 auto;min-width:0;min-height:clamp(360px,52vh,460px);display:flex;align-items:center;justify-content:center}
.diff-row{display:flex;gap:8px;flex-wrap:wrap}
.diff{font-weight:800;font-size:14px;padding:8px 15px;border-radius:999px;border:1.5px solid var(--line2);color:var(--ink2);background:var(--bg2);transition:all .15s}
.diff.on{background:var(--sun);border-color:var(--sun);color:#4A3200}
.target-card{text-align:center}
.tnum{font-family:var(--font-d);font-weight:800;font-size:62px;line-height:1;color:var(--coral)}
.tword{font-family:var(--font-d);font-weight:700;font-size:18px;color:var(--teal-d);background:var(--teal-s);display:inline-block;padding:5px 16px;border-radius:999px;margin-top:8px}
.streak-line{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--coral)}
.streak-line .ic{width:22px;height:22px}
.prog-hero{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.prog-stars{display:flex;align-items:center;gap:12px}
.prog-stars .ic{width:52px;height:52px;color:var(--sun)}
.prog-stars b{font-family:var(--font-d);font-size:52px;line-height:1}
.badges-grid{display:flex;gap:14px;flex-wrap:wrap}
.badge-med{width:104px;text-align:center;background:var(--bg2);border:1.5px solid var(--line);border-radius:18px;padding:13px 8px;box-shadow:var(--shadow-sm)}
.badge-med .med{width:54px;height:54px;margin:0 auto 8px;border-radius:50%;display:grid;place-items:center;background:var(--sun);color:#4A3200;box-shadow:var(--shadow-sm)}
.badge-med .med .ic{width:26px;height:26px}
.badge-med b{font-family:var(--font-d);font-size:13.5px;display:block;line-height:1.2}
.badge-med.off .med{background:var(--bg3);color:var(--ink2);border:1.5px dashed var(--line2)}
.badge-med.off b{color:var(--ink2)}
.wb-row{display:flex;align-items:center;gap:13px;padding:9px 0}
.wb-row .wd{flex:none;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff}
.wb-row .wd .ic{width:22px;height:22px}
.wb-row .wname{width:168px;font-family:var(--font-d);font-weight:700;font-size:15.5px;flex:none}
.bead-track{flex:1;display:flex;gap:5px;min-width:110px}
.bead-track i{flex:1;height:18px;border-radius:999px;background:var(--bg3);border:1.5px solid var(--line)}
.bead-track i.on{background:var(--teal);border-color:var(--teal-d)}
.wb-row .wcount{font-weight:800;font-size:14px;color:var(--ink2);flex:none;width:54px;text-align:right}
/* parent */
.pr-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
/* Parents feature grid: 2×2 cards under the hero. */
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.feat-grid .icon-row{background:var(--bg2);border:1.5px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow-sm)}
.pr-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;margin-top:24px}
.stat-strip{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}
.stat-block{flex:1;min-width:150px;background:var(--bg2);border:1.5px solid var(--line);border-radius:18px;padding:17px 19px;box-shadow:var(--shadow-sm)}
.stat-block small{font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2)}
.stat-block b{display:block;font-family:var(--font-d);font-weight:800;font-size:28px;margin-top:2px;line-height:1.1}
.donut-wrap{display:flex;align-items:center;gap:20px}
.donut{transform:rotate(-90deg)}
.donut .track{stroke:var(--bg3)}
.donut .val{stroke:var(--teal);stroke-linecap:round}
/* Donut center label lives in HTML (not SVG text) so the ring's -90deg
   spin never rotates the reading. */
.donut-holder{position:relative;width:130px;height:130px;flex:none}
.donut-label{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.15;pointer-events:none}
.donut-label b{font-family:var(--font-d);font-weight:800;font-size:24px;color:var(--ink)}
.donut-label small{font-size:11px;font-weight:700;color:var(--ink2)}
.bar-row{display:flex;align-items:center;gap:12px;padding:7px 0}
.bar-row .bname{width:172px;font-weight:800;font-size:14px;flex:none}
.bar-row .bar{flex:1;height:12px;border-radius:999px;background:var(--bg3);overflow:hidden;border:1px solid var(--line)}
.bar-row .bar i{display:block;height:100%;border-radius:999px;transition:width .8s ease}
.bar-row .bval{width:46px;text-align:right;font-weight:800;font-size:13px;color:var(--ink2);flex:none}
.need-box{border-radius:16px;padding:13px 17px;font-size:14px;font-weight:700;margin-top:12px;line-height:1.5}
.need-box.warn{background:var(--sun-s);border:1.5px solid var(--sun)}
.need-box.good{background:var(--ok-s);border:1.5px solid var(--ok)}
.need-box .ic{width:17px;height:17px;vertical-align:-3px;margin-right:5px}
.act-row{display:flex;gap:12px;align-items:center;padding:10px 2px;border-bottom:1px dashed var(--line);font-size:14px}
.act-row:last-child{border-bottom:0}
.act-row .aday{flex:none;width:88px;color:var(--ink2);font-weight:700;font-size:12.5px}
.act-row b{font-weight:800}
.act-row .astars{margin-left:auto;display:flex;gap:2px}
.act-row .astars .ic{width:15px;height:15px;color:var(--sun)}
.cal-dots{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.cal-dots i{width:22px;height:22px;border-radius:50%;background:var(--bg3);border:1.5px solid var(--line)}
.cal-dots i.hit{background:var(--teal);border-color:var(--teal-d)}
.cal-dots i.today{border-color:var(--coral);border-width:2.5px}
.switch{position:relative;display:inline-flex;align-items:center;gap:12px;cursor:pointer;font-weight:800}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch .knob{width:52px;height:30px;border-radius:999px;background:var(--line2);position:relative;transition:background .2s;flex:none}
.switch .knob::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;
 box-shadow:0 2px 5px rgba(0,0,0,.25);transition:left .2s}
.switch input:checked+.knob{background:var(--teal)}
.switch input:checked+.knob::after{left:25px}
.switch input:focus-visible+.knob{outline:3px solid var(--sun-d);outline-offset:3px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:800;font-size:14px;margin-bottom:6px}
.input{width:100%;font:inherit;font-weight:700;padding:13px 16px;border-radius:14px;border:2px solid var(--line2);
 background:var(--bg2);color:var(--ink);transition:border-color .15s}
.input:focus{border-color:var(--teal);outline:none}
.ferr{color:var(--coral-d);font-weight:800;font-size:13px;margin-top:5px}
/* ---------- settings voice (Nova: single on/off + preview) ---------- */
.vrow{background:var(--bg3);border:1.5px solid var(--line);border-radius:16px;padding:12px 14px}
.vmain{display:flex;flex-direction:column;gap:8px}
.vctl{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
/* ---------- Nova voice gate (first-visit enable prompt) ---------- */
#voiceGate{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:140;
 background:#0F172A;color:#fff;padding:12px 18px;border-radius:999px;font-weight:800;
 display:flex;gap:10px;align-items:center;box-shadow:0 8px 24px rgba(0,0,0,.3);transition:all .3s}
#voiceGate.hidden{transform:translate(-50%,80px);opacity:0;pointer-events:none}
#voiceGate button{background:#0EA5E9;color:#fff;border:0;padding:8px 14px;border-radius:999px;font-weight:800;cursor:pointer}
.site-foot{border-top:1.5px solid var(--line);margin-top:28px;padding:42px 0 34px}
.foot-inner{display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between}
.foot-cols{display:flex;gap:44px;flex-wrap:wrap}
.foot-cols h4{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);margin-bottom:10px}
.foot-cols a{display:block;padding:4px 0;font-weight:700;color:var(--ink2);font-size:14.5px}
.foot-cols a:hover{color:var(--ink)}
.foot-brand p{color:var(--ink2);font-size:13.5px;max-width:34ch;margin-top:10px}
.crumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-weight:700;font-size:13.5px;color:var(--ink2);margin-bottom:14px}
.crumbs a:hover{color:var(--ink)}
.crumbs .ic{width:13px;height:13px}
.toast-wrap{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:11px;background:var(--ink);color:var(--bg);font-weight:800;font-size:15px;
 padding:13px 22px;border-radius:999px;box-shadow:var(--shadow);animation:toastIn .45s var(--ease-pop);max-width:min(92vw,480px)}
.toast .ic{width:20px;height:20px;color:var(--sun)}
.toast.out{animation:toastOut .3s ease forwards}
@keyframes toastIn{from{transform:translateY(24px) scale(.85);opacity:0}}
@keyframes toastOut{to{transform:translateY(14px);opacity:0}}
.modal-back{position:fixed;inset:0;z-index:110;background:rgba(20,24,40,.5);backdrop-filter:blur(4px);display:grid;place-items:center;padding:20px;animation:fadeIn .25s ease}
.modal{background:var(--bg2);border:1.5px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);
 padding:30px;width:min(540px,94vw);max-height:88dvh;overflow:auto;animation:modalIn .4s var(--ease-pop)}
@keyframes modalIn{from{transform:translateY(30px) scale(.92);opacity:0}}
.modal h3{font-size:24px;margin-bottom:6px}
.m-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}
#confetti-canvas{position:fixed;inset:0;z-index:130;pointer-events:none}
details.faq{border:1.5px solid var(--line);border-radius:16px;background:var(--bg2);padding:15px 20px;margin-bottom:10px}
details.faq summary{font-family:var(--font-d);font-weight:700;font-size:17px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary .ic{width:18px;height:18px;color:var(--ink2);transition:transform .2s}
details.faq[open] summary .ic{transform:rotate(180deg)}
details.faq p{color:var(--ink2);margin-top:10px;font-size:15px}
.article-body{max-width:72ch}
.article-body p{margin:14px 0;color:var(--ink2);font-size:16.5px}
.article-body h2{font-size:24px;margin:30px 0 8px}
.article-body ul{margin:12px 0 12px 22px;color:var(--ink2)}
.article-body li{margin:6px 0}
.icon-row{display:flex;gap:16px;padding:13px 0;align-items:flex-start}
.icon-row .ir-ic{width:48px;height:48px;flex:none;border-radius:15px;display:grid;place-items:center;color:#fff}
.icon-row .ir-ic .ic{width:23px;height:23px}
.icon-row b{font-family:var(--font-d);font-size:17.5px}
.icon-row p{color:var(--ink2);font-size:14.5px;margin-top:2px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
/* ---------- responsive ---------- */
/* Public header: desktop nav needs ~1030px; below that it folds into the
   burger (which already exists for ≤820). The "Start" CTA and the logo
   wordmark step aside progressively so the header NEVER scrolls sideways
   on small phones (measured sweep: 821-1024 nav, ≤660 CTA, ≤420 wordmark). */
@media(max-width:1024px){.head-nav{display:none}.burger{display:inline-flex}}
@media(max-width:660px){.head-actions>a.btn{display:none}}
@media(max-width:420px){.head-inner{padding:10px 14px;gap:10px}.head-actions{gap:6px}.logo span{display:none}}
@media(max-width:1000px){
 .hero .wrap{grid-template-columns:1fr;gap:28px}
 .hero-scene{max-width:560px;margin:0 auto;width:100%}
  .pr-hero,.pr-grid,.split{grid-template-columns:1fr;gap:26px}
  .feat-grid{grid-template-columns:1fr}
 .game-hub-grid{grid-template-columns:1fr}
}
@media(max-width:820px){
 .lesson{height:100dvh}
 .lp-view{grid-template-columns:1fr;grid-template-rows:minmax(118px,auto) 1fr;transition:none}
 .lp-abi{flex-direction:row;align-items:flex-end;gap:8px;padding:8px 10px 4px}
 .abi-bubble{flex:1;margin:0;min-height:62px;order:2}
 .abi-host{flex:none;width:92px;order:1;align-items:flex-end}
 .abi-host svg.mascot{max-width:none}
 .bubble-tools{position:absolute;right:8px;bottom:6px}
 [data-mode=do] .lp-view{grid-template-columns:1fr;grid-template-rows:minmax(84px,auto) 1fr}
 [data-mode=do] .abi-host{width:62px}
 [data-mode=cheer] .lp-view{grid-template-columns:1fr;grid-template-rows:minmax(130px,auto) 1fr}
 [data-mode=cheer] .abi-host{width:110px}
 .lp-st{margin:0 7px;width:30px;height:30px}
 .lp-st .ic{width:13px;height:13px}
 .section{padding:50px 0}
  .cont-card{grid-template-columns:1fr}
  .prac-hero{grid-template-columns:1fr;justify-items:center;text-align:center;padding:22px 18px}
  .prac-hero-nova{width:84px}
  .prac-hero>div:last-child{display:flex;flex-direction:column;align-items:center}
  .prac-rec{flex-direction:column;text-align:center;justify-content:center}
  .prac-opt{min-height:84px;padding:14px 6px}
  .prac-opt b{font-size:32px}
  /* Session keeps the game pattern on small screens too: row stays so the
     abacus slot keeps real height and beads stay tappable. */
  .prac-play{flex-direction:row;gap:8px}
  .prac-side{width:150px;gap:8px}
  .prac-side .prompt{flex-direction:column;gap:2px;min-height:0;padding:8px 6px}
  .prac-side .prompt-num{font-size:38px;min-width:0}
  .prac-side .prompt-word{font-size:13px;padding:4px 10px}
  .prac-ab{min-height:340px}
  .prompt-num{font-size:42px}
  /* Compact lesson chrome on small screens: every pixel saved here goes
     to the abacus row so beads keep >=44px touch targets. */
  .lp-top{padding:6px 12px;gap:10px}
  .lp-actin{gap:6px}
  .mode-pill{font-size:11.5px;padding:3px 12px}
  .prompt{padding:6px 14px;gap:10px;min-height:0}
  .prompt-num{font-size:38px}
  .prompt-word{font-size:15px;padding:5px 13px}
  .readout{gap:8px}
  .ro b{font-size:22px;padding:4px 10px;min-width:46px}
  .pip{width:18px;height:18px}
  .round-pips{gap:4px}
 .j-step::after{display:none}
 .kid-stats{display:none}
 .foot-inner{flex-direction:column;gap:22px}
 .wb-row .wname{width:112px;font-size:13.5px}
 .bar-row .bname{width:116px;font-size:12.5px}
 .eq-nums{font-size:34px}
  .balloon{width:92px;height:112px;font-size:29px}
  /* Mobile feed stays side-by-side: stacking would starve the abacus
     slot vertically and shrink beads below touch size. */
  .feed-main{flex-direction:row;gap:6px}
  .feed-side{width:146px;gap:6px}
  .feed-abi-slot{width:56px}
  .feed-bub{font-size:12.5px;padding:7px 10px;margin-bottom:0;max-width:none}
  .apples{padding:6px 8px;gap:4px;min-height:0;min-width:0}
  .apples .apple svg{width:26px;height:26px}
  .feed-prompt .prompt{padding:4px 8px;gap:6px;min-height:0}
  .feed-prompt .prompt-label{font-size:10px}
  .feed-prompt .prompt-num{font-size:26px}
  .feed-prompt .prompt-word{font-size:12px;padding:3px 8px}
  .feed-readout .ro b{font-size:26px;padding:5px 13px;min-width:54px}
 .gh-guide .gh-abi{width:56px}
 .lp-ctrl{padding:8px 12px 12px}
}
/* Short screens (landscape phones/tablets): compact the chrome so the
   abacus row keeps maximum height and beads stay tappable. */
@media(max-height:520px){
 .lp-top{padding:4px 10px;gap:10px}
 .lp-ctrl{padding:6px 12px 8px}
 .lp-actin{gap:4px}
 .mode-pill{font-size:11px;padding:2px 10px}
 .prompt{padding:4px 12px;gap:8px;min-height:0}
 .prompt-num{font-size:32px}
 .prompt-word{font-size:14px;padding:4px 12px}
 .readout{gap:8px}
 .ro b{font-size:20px;padding:3px 9px;min-width:42px}
 .ro small{font-size:9px}
 .pip{width:16px;height:16px}
 .round-pips{gap:4px}
 .abi-bubble{min-height:56px;padding:8px 12px}
 .gh-guide{min-height:0;padding:6px 12px;margin-bottom:8px}
 .gh-guide .gh-abi{width:56px}
 .gh-head{padding-bottom:6px}
 .feed-abi-slot{width:72px}
 .feed-bub{font-size:14px;padding:8px 12px;margin-bottom:6px}
 .apples{padding:8px 12px;min-height:52px;gap:6px}
 .feed-side{gap:6px}
 .feed-prompt .prompt-num{font-size:30px}
 .feed-prompt .prompt-word{font-size:14px}
 .feed-readout .ro b{font-size:24px;padding:4px 11px;min-width:50px}
}
@media(prefers-reduced-motion:reduce){ *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
 .nb-bead{transition:top .01ms}
 .lp-token,.abi-host,.lp-view{transition:none}
}
/* ============================================================
   MASCOT LIFE v2 — lip-sync mouth, face/pose rig, gesture layer
   Retargeted from Abi geometry to the TypePlay mascot.
   Moods ride the data-mood bridge above; states drive pose.
   ============================================================ */
/* mouth: one scalable ellipse = 6 viseme shapes (JS drives it) */
.mascot.life .m-vis{transition:transform .085s linear}
/* SvelteKit-parity talk chomp: big, obvious mouth motion on every speaking
   line — homepage, story lessons and games alike, one behavior only.
   The animation wins over viseme inline transforms while speaking. */
.mascot[data-speaking="1"] .m-vis{animation:nova-chomp .3s ease-in-out infinite}
@keyframes nova-chomp{50%{transform:scale(.9,.35)}}

/* rig: pose (lean / settle / celebrate) + face (tilt / nod) */
.mascot.life .a-pose{transform-box:fill-box;transform-origin:50% 94%;
 transition:transform .55s cubic-bezier(.25,1.2,.4,1)}
.mascot.life .a-face{transform-origin:110px 104px;transition:transform .42s cubic-bezier(.3,1.3,.4,1)}

/* states: posture + pointing (set by Abi.state / Abi.say) */
.mascot.life[data-state="explaining"] .a-pose{transform:translate(7px,0) rotate(2.2deg)}
.mascot.life[data-state="explaining"] .arm-r{transform:rotate(-80deg)}
.mascot.life[data-state="asking"] .a-pose{transform:translate(-3px,0)}
.mascot.life[data-state="asking"] .a-face{transform:rotate(-6.5deg)}
.mascot.life[data-state="asking"] .arm-r{transform:rotate(-30deg)}
.mascot.life[data-state="listening"] .a-pose{transform:translateY(2px)}
.mascot.life[data-state="listening"] .bobg{animation:none}
.mascot.life[data-state="thinking"] .a-pose{transform:translate(-2px,-2px)}
.mascot.life[data-state="thinking"] .arm-l{transform:rotate(80deg)}
.mascot.life[data-state="hinting"] .a-pose{transform:translate(11px,3px) rotate(3.2deg) scale(1.03)}
.mascot.life[data-state="hinting"] .arm-r{transform:rotate(-80deg)}
.mascot.life[data-state="correcting"] .a-face{transform:rotate(4deg)}
.mascot.life[data-state="encouraging"] .a-pose{transform:translate(2px,1px) rotate(-1.5deg)}
.mascot.life[data-state="celebrating"] .a-pose{transform:translateY(-3px) scale(1.05)}

/* one-shot gestures (classes added/removed by JS) */
@keyframes gNod{0%,58%,100%{transform:translateY(0)}22%{transform:translateY(5px) rotate(2.5deg)}40%{transform:translateY(1px)}78%{transform:translateY(5px) rotate(2.5deg)}}
.mascot.life .a-face.g-nod{animation:gNod .95s ease-in-out}
@keyframes gShake{0%,100%{transform:rotate(0)}25%{transform:rotate(-4deg)}50%{transform:rotate(3.6deg)}75%{transform:rotate(-2.4deg)}}
.mascot.life .a-face.g-shake{animation:gShake 1.05s ease-in-out}
@keyframes gBounce{0%,100%{transform:translateY(0)}30%{transform:translateY(-14px) scale(1.02)}62%{transform:translateY(0)}82%{transform:translateY(-5px)}}
.mascot.life .a-pose.g-bounce{animation:gBounce .95s cubic-bezier(.3,.9,.4,1)}
@keyframes gPop{0%{transform:scale(1)}35%{transform:scale(1.05,.96)}70%{transform:scale(.985,1.02)}100%{transform:scale(1)}}
.mascot.life .a-pose.g-pop{animation:gPop .7s ease}
@keyframes gClapA{0%,100%{transform:rotate(0)}50%{transform:rotate(80deg)}}
@keyframes gClapB{0%,100%{transform:rotate(0)}50%{transform:rotate(-80deg)}}
.mascot.life.g-clap .arm-l{animation:gClapA .3s ease-in-out 6}
.mascot.life.g-clap .arm-r{animation:gClapB .3s ease-in-out 6}