:root{
  --blue:#2563eb;
  --green:#16a34a;
  --yellow:#f59e0b;
  --red:#dc2626;
  --purple:#7c3aed;
  --teal:#0ea5e9;
  --pink:#db2777;
  --slate:#0f172a;

  --bg:#f4f6fb;
  --text:#0b1220;
  --muted:#334155;
  --muted2:#64748b;

  --panel: rgba(255,255,255,.88);

  --radius:18px;
  --radius2:14px;

  --shadow:0 14px 32px rgba(2,6,23,.18);
  --shadow2:0 22px 46px rgba(2,6,23,.22);

  --logoSize:78px;
  --ring: 0 0 0 6px rgba(37,99,235,.14);
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: var(--bg);
  color: var(--text);
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:-20%;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(1000px 700px at 10% 10%, rgba(37,99,235,.14), transparent 60%),
    radial-gradient(1000px 700px at 90% 0%, rgba(220,38,38,.10), transparent 60%),
    radial-gradient(1000px 700px at 70% 95%, rgba(22,163,74,.10), transparent 60%),
    radial-gradient(1000px 700px at 25% 85%, rgba(245,158,11,.12), transparent 60%);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1400' height='900' viewBox='0 0 1400 900'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='no'/%3E%3C/filter%3E%3Crect width='1400' height='900' filter='url(%23n)' opacity='.40'/%3E%3C/svg%3E");
  background-size:cover;
  background-repeat:no-repeat;
  background-position:center;
  mix-blend-mode:multiply;
}

.wrap{
  max-width:1100px;
  margin:0 auto;
  padding:26px 18px 60px;
}

.top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:12px;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:320px;
}

.logoWrap{
  width:var(--logoSize);
  height:var(--logoSize);
  border-radius:22px;
  box-shadow: var(--shadow);
  border:1px solid rgba(15,23,42,.22);
  background: rgba(255,255,255,.92);
  overflow:hidden;
  position:relative;
  flex:0 0 auto;
}

.logoWrap::after{
  content:"";
  position:absolute;
  inset:-45%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.70), transparent 55%);
  transform: rotate(12deg);
  pointer-events:none;
  opacity:.85;
}

.logoImg{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
  position:relative;
  z-index:1;
}

.logoFallback{
  display:none;
  position:absolute;
  inset:0;
  background: conic-gradient(from 200deg, var(--red), var(--yellow), var(--green), var(--blue), var(--red));
  z-index:0;
}

.titles h1{
  margin:0;
  font-size:24px;
  letter-spacing:.2px;
  line-height:1.1;
}

.titles p{
  margin:4px 0 0;
  color:var(--muted2);
  font-size:14px;
}

.search{
  flex:1;
  min-width:260px;
  max-width:520px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  border-radius:999px;
  border:1px solid rgba(15,23,42,.22);
  background: rgba(255,255,255,.92);
  box-shadow: 0 10px 24px rgba(2,6,23,.10);
  transition: box-shadow .15s ease, transform .15s ease, border-color .15s ease;
}

.search:focus-within{
  border-color: rgba(37,99,235,.55);
  box-shadow: var(--ring), 0 10px 24px rgba(2,6,23,.12);
  transform: translateY(-1px);
}

.search input{
  width:100%;
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  color:var(--text);
}

.btn{
  border:1px solid rgba(15,23,42,.22);
  background: rgba(255,255,255,.92);
  padding:12px 14px;
  border-radius:999px;
  font-size:13px;
  cursor:pointer;
  box-shadow: 0 10px 24px rgba(2,6,23,.10);
  transition: transform .14s ease, box-shadow .14s ease;
  white-space:nowrap;
}

.btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(2,6,23,.14);
}

.btn:active{
  transform: translateY(0px);
}

.dash{
  margin-top:14px;
  padding:14px;
  border-radius: var(--radius);
  background: var(--panel);
  border:1px solid rgba(15,23,42,.20);
  box-shadow: 0 12px 28px rgba(2,6,23,.10);
}

.dashTop{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
  flex-wrap:wrap;
}

.dashTop h2{
  margin:0;
  font-size:14px;
  letter-spacing:.25px;
}

.dashTop .hint{
  margin:0;
  color:var(--muted2);
  font-size:12.5px;
  white-space:nowrap;
}

.catGrid{
  display:grid;
  gap:10px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.catBtn{
  width:100%;
  text-align:left;
  border-radius:16px;
  border:1px solid rgba(15,23,42,.18);
  background: rgba(255,255,255,.94);
  box-shadow: 0 10px 20px rgba(2,6,23,.08);
  cursor:pointer;
  padding:10px 11px 10px;
  transition: transform .12s ease, box-shadow .14s ease, border-color .14s ease, background .14s ease;
  position:relative;
  overflow:hidden;
  min-height:68px;
}

.catBtn::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:10px;
  background: linear-gradient(90deg, var(--cat), rgba(255,255,255,.0));
  opacity:.95;
}

.catBtn::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 14% 26%, rgba(255,255,255,.75) 0 2px, transparent 3px),
    radial-gradient(circle at 34% 72%, rgba(255,255,255,.55) 0 2px, transparent 3px),
    radial-gradient(circle at 62% 44%, rgba(255,255,255,.60) 0 2px, transparent 3px),
    radial-gradient(circle at 86% 66%, rgba(255,255,255,.55) 0 2px, transparent 3px);
  opacity:.35;
  pointer-events:none;
  mix-blend-mode:overlay;
}

.catBtn:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 30px rgba(2,6,23,.14);
}

.catBtn.active{
  border-color: rgba(37,99,235,.60);
  box-shadow: var(--ring), 0 18px 30px rgba(2,6,23,.14);
  background: rgba(37,99,235,.05);
}

.catRow{
  display:flex;
  align-items:center;
  gap:10px;
  position:relative;
  z-index:1;
}

.catIcon{
  width:36px;
  height:36px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  border:1px solid rgba(15,23,42,.14);
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.75), rgba(255,255,255,.0) 60%),
    linear-gradient(135deg, rgba(15,23,42,.06), rgba(15,23,42,.02));
  box-shadow: 0 12px 22px rgba(2,6,23,.10);
  flex:0 0 auto;
}

.catText{
  min-width:0;
  flex:1;
}

.catTitle{
  margin:0;
  font-size:13.3px;
  font-weight:900;
  line-height:1.1;
  letter-spacing:.15px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.catMeta{
  margin:4px 0 0;
  font-size:12px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}

.dot{
  width:10px;
  height:10px;
  border-radius:50%;
  display:inline-block;
}

.countPill{
  margin-left:auto;
  font-size:11px;
  padding:3px 8px;
  border-radius:999px;
  background: rgba(15,23,42,.06);
  border:1px solid rgba(15,23,42,.12);
  color:var(--slate);
}

.drawer{
  margin-top:14px;
  border-radius: var(--radius);
  background: var(--panel);
  border:1px solid rgba(15,23,42,.20);
  box-shadow: 0 12px 28px rgba(2,6,23,.10);
  overflow:hidden;
  display:block;
}

.drawerHead{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  background: linear-gradient(180deg, rgba(15,23,42,.10), rgba(15,23,42,.04));
  border-bottom:1px solid rgba(15,23,42,.14);
}

.drawerTitle{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}

.drawerTitle h3{
  margin:0;
  font-size:14px;
  letter-spacing:.2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.drawerTitle .sub{
  margin:0;
  font-size:12.5px;
  color:var(--muted2);
  white-space:nowrap;
}

.drawerTools{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}

.miniBtn{
  border:1px solid rgba(15,23,42,.20);
  background: rgba(255,255,255,.92);
  padding:8px 10px;
  border-radius:999px;
  font-size:12px;
  cursor:pointer;
  box-shadow: 0 10px 18px rgba(2,6,23,.08);
  transition: transform .12s ease, box-shadow .14s ease;
  white-space:nowrap;
}

.miniBtn:hover{
  transform: translateY(-1px);
  box-shadow: 0 14px 22px rgba(2,6,23,.12);
}

.drawerBody{
  padding:14px;
}

.appGrid{
  display:grid;
  gap:14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card{
  background:#fff;
  border-radius:var(--radius2);
  box-shadow: var(--shadow);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  position:relative;
  transform: translateZ(0);
  transition: transform .16s ease, box-shadow .16s ease;
  min-width:0;
  border:1px solid rgba(15,23,42,.10);
}

.card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow2);
}

/* LANDING PAGE */

.landingWrap{
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

.landingTop{
  margin-bottom:28px;
}

.landingPanel{
  flex:1;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  align-items:stretch;
  padding:20px 0 60px;
}

.bigChoice{
  min-height:280px;
  border-radius:28px;
  text-decoration:none;
  color:var(--text);
  background:rgba(255,255,255,.92);
  border:1px solid rgba(15,23,42,.20);
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:18px;
  position:relative;
  overflow:hidden;
  transition:transform .16s ease, box-shadow .16s ease;
}

.bigChoice::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:18px;
  background:linear-gradient(90deg,var(--choice),transparent);
}

.bigChoice::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 16% 24%, rgba(255,255,255,.75) 0 3px, transparent 4px),
    radial-gradient(circle at 36% 72%, rgba(255,255,255,.55) 0 3px, transparent 4px),
    radial-gradient(circle at 68% 38%, rgba(255,255,255,.60) 0 3px, transparent 4px),
    radial-gradient(circle at 84% 68%, rgba(255,255,255,.55) 0 3px, transparent 4px);
  opacity:.45;
  pointer-events:none;
}

.bigChoice:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow2);
}

.bigChoiceIcon{
  font-size:76px;
  line-height:1;
  position:relative;
  z-index:1;
}

.bigChoiceText{
  font-size:36px;
  font-weight:900;
  letter-spacing:.3px;
  position:relative;
  z-index:1;
}

.numeracyChoice{
  --choice:var(--blue);
}

.literacyChoice{
  --choice:var(--purple);
}

@media (max-width:980px){
  .catGrid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .appGrid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width:720px){

  :root{
    --logoSize:68px;
  }

  .catGrid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .appGrid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .drawerHead{
    align-items:flex-start;
  }

  .drawerTools{
    width:100%;
    justify-content:flex-end;
  }

  .landingPanel{
    grid-template-columns:1fr;
    gap:18px;
  }

  .bigChoice{
    min-height:210px;
  }

  .bigChoiceIcon{
    font-size:58px;
  }

  .bigChoiceText{
    font-size:30px;
  }
}

@media (max-width:420px){
  .appGrid{
    grid-template-columns:1fr;
  }
}
.card::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:var(--radius2);
  padding:1px;
  background: linear-gradient(
    135deg,
    rgba(37,99,235,.34),
    rgba(22,163,74,.28),
    rgba(245,158,11,.30),
    rgba(220,38,38,.28)
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events:none;
  opacity:.85;
  transition: opacity .16s ease;
}

.card:hover::before{
  opacity:1;
}

.thumb{
  height:58px;
  position:relative;
  overflow:hidden;
}

.thumb::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 16% 35%, rgba(255,255,255,.26) 0 2px, transparent 3px),
    radial-gradient(circle at 36% 68%, rgba(255,255,255,.18) 0 2px, transparent 3px),
    radial-gradient(circle at 58% 40%, rgba(255,255,255,.20) 0 2px, transparent 3px),
    radial-gradient(circle at 78% 62%, rgba(255,255,255,.18) 0 2px, transparent 3px),
    radial-gradient(circle at 90% 38%, rgba(255,255,255,.14) 0 2px, transparent 3px);
  opacity:.95;
  pointer-events:none;
}

.thumb.addition{
  background: linear-gradient(135deg, var(--blue), #93c5fd);
}

.thumb.subtraction{
  background: linear-gradient(135deg, var(--green), #86efac);
}

.thumb.multiplication{
  background: linear-gradient(135deg, var(--yellow), #fde68a);
}

.thumb.division{
  background: linear-gradient(135deg, var(--red), #fca5a5);
}

.thumb.placevalue{
  background: linear-gradient(135deg, var(--blue), #a78bfa);
}

.thumb.other{
  background: linear-gradient(135deg, var(--purple), #c4b5fd);
}

.thumb.literacy{
  background: linear-gradient(135deg, var(--purple), #f9a8d4);
}

.badge{
  position:absolute;
  top:10px;
  left:10px;
  padding:6px 10px;
  font-size:12px;
  border-radius:999px;
  background: rgba(255,255,255,.94);
  border:1px solid rgba(15,23,42,.10);
  box-shadow: 0 12px 26px rgba(2,6,23,.14);
  display:inline-flex;
  align-items:center;
  gap:8px;
  pointer-events:none;
}

.cardBody{
  padding:12px 14px 10px;
  flex:1;
}

.cardTitle{
  margin:0;
  font-size:14px;
  font-weight:850;
  line-height:1.2;
}

.cardDesc{
  margin:6px 0 0;
  font-size:12.5px;
  color:var(--muted);
  line-height:1.3;
  min-height:32px;
}

.tagLine{
  margin:8px 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:6px;
}

.tag{
  font-size:11px;
  padding:3px 7px;
  border-radius:999px;
  background: rgba(15,23,42,.06);
  border:1px solid rgba(15,23,42,.12);
  color: var(--slate);
}

.cardFooter{
  padding:10px 14px 14px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
}

.pill{
  font-size:11px;
  padding:4px 8px;
  border-radius:999px;
  background:#eaf0fb;
  color:#1f2a44;
  border:1px solid rgba(37,99,235,.18);
  flex:0 0 auto;
}

.open{
  font-size:12.5px;
  padding:8px 12px;
  border-radius:10px;
  text-decoration:none;
  background: rgba(37,99,235,.14);
  border:1px solid rgba(37,99,235,.45);
  color:#1d4ed8;
  transition: transform .12s ease, background .12s ease;
  flex:0 0 auto;
  cursor:pointer;
  white-space:nowrap;
}

.open:hover{
  transform: translateY(-1px);
  background: rgba(37,99,235,.20);
}

.empty{
  margin-top:14px;
  padding:14px;
  border-radius: var(--radius);
  border:1px dashed rgba(15,23,42,.26);
  color:var(--muted);
  background: rgba(255,255,255,.85);
  display:none;
}