/* Warm, tactile learning surfaces.  Geometry and state remain recognisable
   without relying on colour alone; the learning controls retain their sizing. */
body[data-view]{
  --home-ink:#17324d;
  --home-blue:#174e9b;
  --home-teal:#166b5c;
  --home-gold:#e6b63f;
  background:#fffaf0;
  color:var(--home-ink);
  font-family:"Avenir Next",Avenir,system-ui,-apple-system,sans-serif;
}
body[data-view]>header{
  min-height:76px;
  border-bottom:1px solid #dedfd6;
}
body[data-view] .brand{letter-spacing:-.055em}
body[data-view] .brand-icon{
  border-radius:15px;
  background:#174e9b;
  box-shadow:4px 4px 0 #f0ce70;
}
body[data-view] .worksheet-entry{gap:9px}
body[data-view] .worksheet-entry a{
  min-height:46px;
  border-color:#c4d1db;
  border-radius:13px;
  background:#fffdf8;
  color:#194a84;
  box-shadow:0 2px 0 rgba(24,61,82,.05);
}
body[data-view] .worksheet-entry a:last-child{
  border-color:#e2c47c;
  background:#fff2c8;
}
body[data-view] .choice-prompt{
  font-size:1rem;
  font-weight:800;
  letter-spacing:-.015em;
  color:#193a55;
}
body[data-view] .choice-operation{margin-top:26px}
body[data-view] .operation-switch{
  padding:7px;
  gap:7px;
  border:1px solid #d7ded8;
  border-radius:19px;
  background:#ecefe9;
  box-shadow:inset 0 1px 3px rgba(24,50,62,.04);
}
body[data-view] .operation-switch button{
  min-height:98px;
  border:2px solid transparent;
  border-radius:14px;
  background:#fffefa;
  color:#26445b;
  font-weight:700;
}
body[data-view] .operation-switch button.active{
  background:#fff4cf;
  border-color:#1c589b;
  color:#17324d;
  box-shadow:inset 0 -3px 0 #1c589b,0 3px 8px rgba(42,63,64,.08);
}
body[data-view] .operation-switch button .operation-symbol{
  border-radius:14px;
  border-width:1.5px;
}
body[data-view] .operation-switch button[data-operation="multiplication"] .operation-symbol{
  background:#dff2e9;border-color:#85b9a5;color:#166b5c;
}
body[data-view] .operation-switch button[data-operation="division"] .operation-symbol{
  background:#e8eefc;border-color:#9eafd9;color:#285d9c;
}
body[data-view] .operation-switch button[data-operation="mixed"] .operation-symbol{
  background:#fff0c7;border-color:#dbbd76;color:#85580e;
}
body[data-view] .intro{
  position:relative;
  isolation:isolate;
  margin:26px 0 22px;
  padding:clamp(24px,3.3vw,36px);
  overflow:hidden;
  border:1.5px solid #e1d5ba;
  border-radius:24px;
  background:linear-gradient(112deg,#fff4d2 0%,#fffaf0 55%,#e3f5ec 100%);
  box-shadow:0 5px 0 #eadec2,0 10px 24px rgba(23,50,77,.05);
}
body[data-view] .intro::after{
  display:none;
}
body[data-view] .intro h1{
  margin:0 0 10px;
  max-width:calc(100% - 210px);
  color:#17324d;
  font-size:clamp(2.2rem,4.2vw,3.1rem);
  line-height:1.12;
  letter-spacing:-.045em;
}
body[data-view] .intro>p{
  max-width:calc(100% - 210px);
  color:#344f61;
}
body[data-view] #intro-description{
  font-size:1.05rem;
  font-weight:700;
  color:#1d3f58;
  margin-bottom:6px;
}
body[data-view] .intro-guide{
  font-size:.95rem;
}
body[data-view] .intro-guide a{
  color:#174e9b;
  font-weight:700;
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1.5px;
}
body[data-view] .intro-guide a:hover{
  color:#0f3870;
}
body[data-view] .choice-learning{margin:24px 0 12px}
body[data-view] .tabs.child-tabs{gap:12px;margin-bottom:22px}
body[data-view] .child-tabs button{
  min-height:98px;
  border:1.5px solid #c9d6d5;
  border-radius:17px;
  color:#183a51;
  box-shadow:0 3px 0 rgba(29,62,71,.05);
}
body[data-view] .child-tabs [data-tab="learn"]{background:#e8f6ed}
body[data-view] .child-tabs [data-tab="train"]{background:#eaf1ff}
body[data-view] .child-tabs [data-tab="test"]{background:#f1ecfb}
body[data-view] .child-tabs [data-tab="trainer"]{background:#fff2d4}
body[data-view] .child-tabs button.active{
  border:2px solid #1c589b;
  box-shadow:inset 0 -3px 0 #1c589b,0 4px 10px rgba(26,69,96,.08);
}
body[data-view] .child-tabs .nav-icon{width:28px;height:28px;stroke-width:2}
body[data-view] .daily-card{
  display:grid;
  grid-template-columns:54px minmax(0,1fr) auto;
  grid-template-rows:auto auto;
  align-items:start;
  column-gap:18px;
  row-gap:14px;
  padding:24px 26px;
  border:1.5px solid #dfc886;
  border-radius:22px;
  background:linear-gradient(108deg,#fff2cb 0%,#fff9e8 65%,#fffdf5 100%);
  box-shadow:0 5px 0 #ebd9a7,0 10px 24px rgba(104,71,16,.06);
}
body[data-view] .daily-symbol{
  grid-column:1;
  grid-row:1;
  align-self:start;
  margin-top:2px;
  width:54px;
  height:54px;
  border:1.5px solid #e3be58;
  background:linear-gradient(180deg,#fae28c 0%,#f4d160 100%);
  color:#684710;
  box-shadow:0 3px 0 rgba(180,136,34,.22);
  animation:dailySymbolTick 4.2s ease-in-out infinite;
}
body[data-view] .daily-copy{
  grid-column:2;
  grid-row:1;
  min-width:0;
}
body[data-view] .daily-card .daily-eyebrow{
  margin:0 0 4px;
  color:#78530d;
  font-size:.76rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
body[data-view] .daily-card h2{
  margin:0 0 6px;
  font-size:clamp(1.35rem,2.2vw,1.62rem);
  line-height:1.22;
  letter-spacing:-.03em;
  color:#132f4c;
}
body[data-view] .daily-card #daily-goal{
  margin:0 0 4px;
  font-size:1.02rem;
  font-weight:700;
  line-height:1.45;
  color:#17324d;
}
body[data-view] .daily-card #daily-method{
  margin:0;
  max-width:60ch;
  font-size:.95rem;
  line-height:1.5;
  color:#2b475d;
}
body[data-view] .daily-card .daily-note{
  margin:6px 0 0;
  font-size:.88rem;
  line-height:1.45;
  color:#4b6479;
}
body[data-view] .daily-card .daily-actions{
  grid-column:2;
  grid-row:2;
  justify-self:start;
  min-width:0;
  width:auto;
  margin:2px 0 0;
}
body[data-view] .daily-card .daily-actions .primary{
  min-height:50px;
  padding:11px 22px;
  font-size:1rem;
}
body[data-view] :is(.daily-card,#learn,#train,#test,.quiz,#results,.trainer) .primary{
  border-radius:13px;
  background:#174e9b;
  color:#fff;
  box-shadow:0 3px 0 #12396d;
}
body[data-view] .learn-prompt{
  border-radius:14px;
  background:#e5f4eb;
  border-color:#b7dccc;
  color:#285849;
}
body[data-view] :is(.visual-card,.sharing-card,.quiz,.trainer-progress-card){
  border-color:#c8d8d4;
  border-radius:22px;
  background:#fffefa;
  box-shadow:0 8px 25px rgba(26,58,70,.055);
}
body[data-view] :is(.squares-card,.tips-library,.sequence-card){
  border-color:#d3dfd6;
  border-radius:20px;
}
body[data-view] :is(button,a,input,select,summary):focus-visible{
  outline:3px solid #0a7082;
  outline-offset:3px;
}
@media (hover:hover) and (pointer:fine){
  body[data-view] .operation-switch button:not(:disabled):hover,
  body[data-view] .child-tabs button:not(:disabled):hover{border-color:#3570a8}
  body[data-view] :is(.daily-card,#learn,#train,#test,.quiz,#results,.trainer) .primary:hover{background:#113e7d}
}
@media(min-width:851px){
  body[data-view] .intro h1,body[data-view] .intro>p{max-width:calc(100% - 220px)}
}
@media(max-width:750px){
  body[data-view] .intro{margin:20px 0;padding:24px}
  body[data-view] .intro h1,body[data-view] .intro>p{max-width:calc(100% - 195px)}
  body[data-view] .daily-card{
    grid-template-columns:48px minmax(0,1fr) auto;
    column-gap:14px;
    row-gap:12px;
    padding:20px;
  }
  body[data-view] .daily-symbol{width:48px;height:48px}
  body[data-view] .daily-card .daily-actions{
    grid-column:2;
    grid-row:2;
    width:auto;
  }
  body[data-view] .daily-card .daily-actions button{width:auto}
}
@media(max-width:640px){
  body[data-view] .intro-dots-preview,
  body[data-view] .daily-mini-preview{display:none}
  body[data-view] .intro h1,body[data-view] .intro>p{max-width:100%}
  body[data-view] .daily-card{
    grid-template-columns:46px minmax(0,1fr);
    column-gap:14px;
    row-gap:12px;
    padding:18px 20px;
    border-radius:19px;
  }
  body[data-view] .daily-symbol{width:46px;height:46px}
  body[data-view] .daily-card .daily-actions{
    grid-column:1 / -1;
    grid-row:2;
    width:100%;
  }
  body[data-view] .daily-card .daily-actions button{width:100%}
}
@media(max-width:600px){
  body[data-view] .choice-operation{margin-top:19px}
  body[data-view] .operation-switch{gap:4px;padding:4px;border-radius:16px}
  body[data-view] .operation-switch button{min-height:91px;padding:8px 4px;font-size:.95rem}
  body[data-view] .tabs.child-tabs{gap:9px}
  body[data-view] .child-tabs button{min-height:86px;border-radius:15px}
  body[data-view] .intro{padding:22px 20px;border-radius:19px}
  body[data-view] .intro h1{font-size:clamp(2rem,8vw,2.5rem)}
  body[data-view] .intro h1,body[data-view] .intro>p{max-width:100%}
}
@media(max-width:400px){
  body[data-view] .operation-switch button{font-size:.875rem;letter-spacing:-.02em}
  body[data-view] .daily-card{display:block;position:relative;padding:16px}
  body[data-view] .daily-symbol{position:absolute;left:16px;top:17px;width:40px;height:40px;margin:0}
  body[data-view] .daily-symbol svg{width:24px;height:24px}
  body[data-view] .daily-card .daily-eyebrow,body[data-view] .daily-card h2{padding-left:50px}
  body[data-view] .daily-card .daily-actions{margin-top:14px;width:100%}
}
body[data-view] .daily-mini-preview{
  grid-column:3;
  grid-row:1 / 3;
  align-self:center;
  display:flex;
  flex-direction:column;
  gap:6px;
  width:166px;
  padding:11px 13px;
  border-radius:15px;
  background:#fffdf8;
  border:1.5px solid #dfca8c;
  box-shadow:0 6px 16px rgba(104,71,16,.11);
  transform:rotate(-1.5deg);
}
body[data-view] .daily-mini-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:6px;
  font-size:10.5px;
  font-weight:800;
  color:#73520f;
  margin-bottom:2px;
}
body[data-view] .daily-mini-clock{
  display:inline-flex;
  align-items:center;
  gap:3px;
}
body[data-view] .daily-mini-clock svg{
  width:12px;
  height:12px;
  flex-shrink:0;
}
body[data-view] .daily-mini-bar i{
  flex:1;
  height:5px;
  border-radius:99px;
  background:#f1e4be;
  overflow:hidden;
  position:relative;
}
body[data-view] .daily-mini-bar u{
  display:block;
  height:100%;
  width:75%;
  border-radius:99px;
  background:linear-gradient(90deg,#174e9b,#248a68);
  animation:dailyBarProgress 5.4s ease-in-out infinite;
}
body[data-view] .daily-mini-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:3px 7px;
  border-radius:7px;
  background:#f7f4ea;
  font-size:12px;
  font-weight:700;
  color:#2b465c;
  line-height:1.2;
}
body[data-view] .daily-mini-row strong{
  color:#17694b;
  font-weight:800;
  padding:1px 5px;
  border-radius:5px;
  background:#d8f3e5;
  animation:dailyRowSolve 5.4s ease-in-out infinite;
}
body[data-view] .daily-mini-row:nth-child(3) strong{animation-delay:1.5s}
body[data-view] .daily-mini-row:nth-child(4) strong{animation-delay:3s}
@keyframes dailySymbolTick{
  0%,100%{transform:scale(1) rotate(0deg)}
  50%{transform:scale(1.06) rotate(4deg)}
}
@keyframes dailyBarProgress{
  0%{width:22%}
  75%,100%{width:92%}
}
@keyframes dailyRowSolve{
  0%,18%{opacity:.28;transform:scale(.88);background:#ece8dc;color:#6c7a86}
  34%,84%{opacity:1;transform:scale(1);background:#d5f2e3;color:#146647}
  100%{opacity:.28;transform:scale(.88);background:#ece8dc;color:#6c7a86}
}
body[data-view] .intro-dots-preview{
  position:absolute;
  right:clamp(20px,3vw,34px);
  top:50%;
  width:172px;
  padding:10px 12px;
  border-radius:16px;
  background:#fffdf9;
  border:1.5px solid #b8d8c8;
  box-shadow:0 7px 18px rgba(22,107,92,.12),0 3px 0 #cfe6da;
  transform:translateY(-50%) rotate(1.4deg);
  animation:introCardFloat 5.4s ease-in-out infinite;
  pointer-events:none;
}
body[data-view] .intro-dots-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:7px;
  padding-bottom:5px;
  border-bottom:1px solid #e5efe9;
  font-size:13px;
  font-weight:800;
  color:#17324d;
}
body[data-view] .intro-dots-ans{
  padding:1px 7px;
  border-radius:6px;
  background:#d2f3e2;
  color:#115e40;
  font-weight:800;
  animation:introAnsCelebrate 5.4s ease-in-out infinite;
}
body[data-view] .intro-dots-rows{
  display:flex;
  flex-direction:column;
  gap:5px;
}
body[data-view] .intro-dots-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:4px 7px;
  border-radius:8px;
  background:#f3f8f5;
  border:1px solid #dcebe3;
  animation:introRowGlow1 5.4s ease-in-out infinite;
}
body[data-view] .intro-dots-row:nth-child(2){
  animation-name:introRowGlow2;
}
body[data-view] .intro-dots-row:nth-child(3){
  animation-name:introRowGlow3;
}
body[data-view] .intro-dots-group{
  display:flex;
  align-items:center;
  gap:7px;
}
body[data-view] .intro-dots-group i{
  display:block;
  width:11px;
  height:11px;
  border-radius:50%;
  background:#1b7f62;
  box-shadow:inset 0 -2px 0 rgba(10,55,41,.25);
  animation:introDotPop1 5.4s cubic-bezier(.34,1.56,.64,1) infinite;
}
body[data-view] .intro-dots-row:nth-child(2) .intro-dots-group i{
  background:#1c64b5;
  box-shadow:inset 0 -2px 0 rgba(14,45,86,.25);
  animation-name:introDotPop2;
}
body[data-view] .intro-dots-row:nth-child(3) .intro-dots-group i{
  background:#d88e14;
  box-shadow:inset 0 -2px 0 rgba(104,63,5,.25);
  animation-name:introDotPop3;
}
body[data-view] .intro-dots-row b{
  font-size:11.5px;
  font-weight:800;
  color:#165b45;
  min-width:18px;
  text-align:right;
  animation:introSumPop1 5.4s ease-in-out infinite;
}
body[data-view] .intro-dots-row:nth-child(2) b{
  color:#184e8f;
  animation-name:introSumPop2;
}
body[data-view] .intro-dots-row:nth-child(3) b{
  color:#8a5607;
  animation-name:introSumPop3;
}
@keyframes introCardFloat{
  0%,100%{transform:translateY(-50%) rotate(1.4deg)}
  50%{transform:translateY(calc(-50% - 3px)) rotate(.4deg)}
}
@keyframes introRowGlow1{
  0%,8%,94%,100%{background:#f5f7f6;border-color:#e2e8e5;transform:scale(1)}
  14%,84%{background:#e3f6ec;border-color:#9bd5b6;transform:scale(1.02)}
}
@keyframes introRowGlow2{
  0%,26%,94%,100%{background:#f5f7f6;border-color:#e2e8e5;transform:scale(1)}
  32%,84%{background:#e7f0fc;border-color:#9fc0eb;transform:scale(1.02)}
}
@keyframes introRowGlow3{
  0%,44%,94%,100%{background:#f5f7f6;border-color:#e2e8e5;transform:scale(1)}
  50%,84%{background:#fff3d6;border-color:#e8c374;transform:scale(1.02)}
}
@keyframes introDotPop1{
  0%,8%,94%,100%{transform:scale(.65);opacity:.32}
  15%{transform:scale(1.22);opacity:1}
  21%,86%{transform:scale(1);opacity:1}
}
@keyframes introDotPop2{
  0%,26%,94%,100%{transform:scale(.65);opacity:.32}
  33%{transform:scale(1.22);opacity:1}
  39%,86%{transform:scale(1);opacity:1}
}
@keyframes introDotPop3{
  0%,44%,94%,100%{transform:scale(.65);opacity:.32}
  51%{transform:scale(1.22);opacity:1}
  57%,86%{transform:scale(1);opacity:1}
}
@keyframes introSumPop1{
  0%,10%,94%,100%{opacity:.28;transform:scale(.85)}
  16%,86%{opacity:1;transform:scale(1)}
}
@keyframes introSumPop2{
  0%,28%,94%,100%{opacity:.28;transform:scale(.85)}
  34%,86%{opacity:1;transform:scale(1)}
}
@keyframes introSumPop3{
  0%,46%,94%,100%{opacity:.28;transform:scale(.85)}
  52%,86%{opacity:1;transform:scale(1)}
}
@keyframes introAnsCelebrate{
  0%,48%,94%,100%{opacity:.35;transform:scale(.9);background:#ece9de;color:#667582;box-shadow:none}
  55%{opacity:1;transform:scale(1.12);background:#bdf0d4;color:#0d5235;box-shadow:0 0 0 2px #f0c24b}
  62%,86%{opacity:1;transform:scale(1);background:#d2f3e2;color:#115e40;box-shadow:0 0 0 1.5px #7bc9a1}
}
@media(max-width:600px){
  body[data-view] .intro-dots-preview,
  body[data-view] .daily-mini-preview{display:none}
}
body[data-view] #multiplication-card.visual-collapse:not([open]){
  padding:0;
  border:1.5px solid #bed6cb;
  background:linear-gradient(108deg,#eff9f4 0%,#fffefa 58%,#edf4ff 100%);
  box-shadow:0 5px 0 #d5e6de,0 10px 24px rgba(23,50,77,.055);
}
body[data-view] #multiplication-card.visual-collapse > .visual-collapse-summary{
  list-style:none;
  display:grid;
  grid-template-columns:52px minmax(0,1fr) auto;
  align-items:center;
  gap:16px;
  padding:20px 22px;
  cursor:pointer;
  user-select:none;
  min-height:48px;
  box-sizing:border-box;
  max-width:100%;
}
body[data-view] #multiplication-card.visual-collapse > .visual-collapse-summary::-webkit-details-marker{
  display:none;
}
body[data-view] #multiplication-card.visual-collapse[open] > .visual-collapse-summary{
  grid-template-columns:42px minmax(0,1fr);
  margin:0 0 18px;
  padding:11px 15px;
  border:1.5px solid #cde0d7;
  border-radius:15px;
  background:linear-gradient(108deg,#eff9f4 0%,#fffefa 62%,#eef4fe 100%);
}
body[data-view] #multiplication-card.visual-collapse[open] .visual-summary-icon{
  width:42px;
  height:42px;
  border-radius:13px;
}
body[data-view] #multiplication-card.visual-collapse[open] .visual-summary-copy{
  flex-direction:row;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 12px;
}
body[data-view] #multiplication-card.visual-collapse[open] .visual-summary-eyebrow,
body[data-view] #multiplication-card.visual-collapse[open] .visual-summary-eq,
body[data-view] #multiplication-card.visual-collapse[open] .visual-summary-sub,
body[data-view] #multiplication-card.visual-collapse[open] .visual-mini-preview{
  display:none;
}
body[data-view] #multiplication-card.visual-collapse[open] .visual-summary-action{
  margin-top:0;
}
body[data-view] .visual-summary-icon{
  display:grid;
  place-items:center;
  width:52px;
  height:52px;
  border-radius:16px;
  border:1.5px solid #96c7b2;
  background:linear-gradient(180deg,#dff5ea 0%,#c7ebd9 100%);
  color:#155e47;
  box-shadow:0 3px 0 rgba(21,94,71,.16);
  flex-shrink:0;
}
body[data-view] .visual-summary-copy{
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width:0;
}
body[data-view] .visual-summary-eyebrow{
  font-size:.74rem;
  font-weight:800;
  letter-spacing:.075em;
  text-transform:uppercase;
  color:#1b684f;
  line-height:1.3;
}
body[data-view] .visual-summary-title{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:clamp(1.2rem,2.1vw,1.45rem);
  font-weight:800;
  line-height:1.25;
  color:#132f4c;
  letter-spacing:-.025em;
}
body[data-view] .visual-summary-eq{
  display:inline-flex;
  align-items:center;
  padding:2px 10px;
  border-radius:99px;
  background:#e2f0ff;
  border:1.5px solid #9fc2eb;
  color:#144687;
  font-size:.95rem;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
body[data-view] .visual-summary-sub{
  font-size:.94rem;
  line-height:1.42;
  color:#314e63;
  font-weight:500;
}
body[data-view] .visual-summary-action{
  display:inline-flex;
  align-items:center;
  gap:5px;
  align-self:flex-start;
  margin-top:3px;
  padding:4px 11px;
  border-radius:99px;
  background:#174e9b;
  color:#fff;
  font-size:.82rem;
  font-weight:700;
  box-shadow:0 2px 0 #10376e;
}
body[data-view] #multiplication-card.visual-collapse[open] .visual-summary-action{
  background:#e6eff9;
  color:#164684;
  box-shadow:none;
  border:1px solid #b3cbe6;
}
body[data-view] .vsa-open{display:none}
body[data-view] #multiplication-card.visual-collapse[open] .vsa-closed{display:none}
body[data-view] #multiplication-card.visual-collapse[open] .vsa-open{display:inline}
body[data-view] .visual-summary-chevron{
  transition:transform .22s ease;
  flex-shrink:0;
}
body[data-view] #multiplication-card.visual-collapse[open] .visual-summary-chevron{
  transform:rotate(180deg);
}
body[data-view] .visual-mini-preview{
  display:flex;
  flex-direction:column;
  gap:6px;
  width:192px;
  padding:10px 12px;
  border-radius:15px;
  background:#fffdf9;
  border:1.5px solid #b5d5c6;
  box-shadow:0 6px 16px rgba(21,94,71,.11),0 2px 0 #cfe5da;
  box-sizing:border-box;
  flex-shrink:0;
}
body[data-view] .visual-mini-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:6px;
  padding-bottom:4px;
  border-bottom:1px solid #e4efe9;
}
body[data-view] .visual-mini-eq{
  position:relative;
  display:inline-grid;
  font-size:12.5px;
  font-weight:800;
  color:#123a63;
  font-variant-numeric:tabular-nums;
}
body[data-view] .visual-mini-eq b{
  grid-area:1 / 1;
}
body[data-view] .visual-mini-eq .vme-a{
  animation:vmpShowA 6.4s ease-in-out infinite;
}
body[data-view] .visual-mini-eq .vme-b{
  opacity:0;
  color:#146348;
  animation:vmpShowB 6.4s ease-in-out infinite;
}
body[data-view] .visual-mini-swap{
  padding:2px 6px;
  border-radius:6px;
  border:1px solid #9abbe3;
  background:#eef5ff;
  color:#174e9b;
  font-size:10px;
  font-weight:800;
  white-space:nowrap;
  animation:vmpSwapPill 6.4s ease-in-out infinite;
}
body[data-view] .visual-mini-body{
  display:flex;
  justify-content:center;
  padding:2px 0;
}
body[data-view] .visual-mini-braces{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  gap:2px;
}
body[data-view] .vmb-top{
  display:flex;
  flex-direction:column;
  align-items:center;
  padding-left:18px;
  font-size:10.5px;
  font-weight:800;
  color:#17324d;
  line-height:1;
}
body[data-view] .vmb-top b,
body[data-view] .vmb-left b,
body[data-view] .vms-val u{
  text-decoration:none;
}
body[data-view] .vmb-top{
  position:relative;
}
body[data-view] .vmb-top .vmb-a,
body[data-view] .vmb-left .vmb-a,
body[data-view] .vms-val .vmb-a{
  animation:vmpShowA 6.4s ease-in-out infinite;
}
body[data-view] .vmb-top .vmb-b,
body[data-view] .vmb-left .vmb-b,
body[data-view] .vms-val .vmb-b{
  position:absolute;
  opacity:0;
  animation:vmpShowB 6.4s ease-in-out infinite;
}
body[data-view] .vmb-top i{
  display:block;
  width:46px;
  height:4px;
  margin-top:2px;
  border:1.5px solid #355878;
  border-bottom:0;
  border-radius:4px 4px 0 0;
}
body[data-view] .vmb-row{
  display:flex;
  align-items:center;
  gap:5px;
}
body[data-view] .vmb-left{
  position:relative;
  display:flex;
  align-items:center;
  gap:3px;
  font-size:10.5px;
  font-weight:800;
  color:#17324d;
  line-height:1;
}
body[data-view] .vmb-left i{
  display:block;
  width:4px;
  height:38px;
  border:1.5px solid #355878;
  border-right:0;
  border-radius:4px 0 0 4px;
}
body[data-view] .vmb-stage{
  position:relative;
  display:grid;
  place-items:center;
  width:64px;
  height:46px;
  border-radius:8px;
  background:#f4f9f6;
  border:1px solid #dbeae2;
}
body[data-view] .vmb-grid{
  grid-area:1 / 1;
  display:flex;
  flex-direction:column;
  gap:3px;
}
body[data-view] .vmb-grid u{
  display:flex;
  gap:4px;
  text-decoration:none;
}
body[data-view] .vmb-grid i{
  display:block;
  width:7.5px;
  height:7.5px;
  border-radius:50%;
  background:#153e66;
}
body[data-view] .vmb-grid-4x3{
  animation:vmpGridA 6.4s ease-in-out infinite;
}
body[data-view] .vmb-grid-4x3 .vmb-r2 i{
  animation:vmpRow2 6.4s ease-in-out infinite;
}
body[data-view] .vmb-grid-4x3 .vmb-r3 i{
  animation:vmpRow3 6.4s ease-in-out infinite;
}
body[data-view] .vmb-grid-4x3 .vmb-r4 i{
  animation:vmpRow4 6.4s ease-in-out infinite;
}
body[data-view] .vmb-grid-3x4{
  opacity:0;
  animation:vmpGridB 6.4s ease-in-out infinite;
}
body[data-view] .vmb-grid-3x4 i{
  background:#17694b;
}
body[data-view] .visual-mini-slider{
  display:flex;
  flex-direction:column;
  gap:3px;
  padding-top:3px;
  border-top:1px solid #e4efe9;
}
body[data-view] .vms-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:10px;
  font-weight:700;
  color:#38566e;
}
body[data-view] .vms-val{
  position:relative;
  display:inline-grid;
  place-items:center;
  min-width:18px;
  padding:1px 5px;
  border-radius:5px;
  background:#e3f5ec;
  border:1px solid #a7d7be;
  color:#145b41;
  font-size:10.5px;
  font-weight:800;
}
body[data-view] .vms-track{
  position:relative;
  display:block;
  height:5px;
  border-radius:99px;
  background:#cadbeb;
}
body[data-view] .vms-fill{
  display:block;
  height:100%;
  width:42%;
  border-radius:99px;
  background:#174e9b;
  animation:vmpSliderFill 6.4s ease-in-out infinite;
}
body[data-view] .vms-thumb{
  position:absolute;
  top:50%;
  left:42%;
  width:11px;
  height:11px;
  border-radius:50%;
  background:#174e9b;
  border:2px solid #fff;
  box-shadow:0 0 0 1px #7ea8d8;
  transform:translate(-50%,-50%);
  animation:vmpSliderThumb 6.4s ease-in-out infinite;
}
@keyframes vmpShowA{
  0%,50%,94%,100%{opacity:1;transform:translateY(0)}
  56%,88%{opacity:0;transform:translateY(-3px)}
}
@keyframes vmpShowB{
  0%,50%,94%,100%{opacity:0;transform:translateY(3px)}
  56%,88%{opacity:1;transform:translateY(0)}
}
@keyframes vmpSwapPill{
  0%,46%,92%,100%{background:#eef5ff;color:#174e9b;border-color:#9abbe3;transform:scale(1)}
  52%,62%{background:#174e9b;color:#fff;border-color:#174e9b;transform:scale(1.06)}
  63%,88%{background:#dff4ea;color:#135d43;border-color:#88c8ac;transform:scale(1)}
}
@keyframes vmpGridA{
  0%,50%,94%,100%{opacity:1;transform:scale(1)}
  55%,88%{opacity:0;transform:scale(.85) rotate(6deg)}
}
@keyframes vmpGridB{
  0%,50%,94%,100%{opacity:0;transform:scale(.85) rotate(-6deg)}
  56%,88%{opacity:1;transform:scale(1) rotate(0deg)}
}
@keyframes vmpRow2{
  0%,8%{opacity:.22;transform:scale(.7)}
  16%,100%{opacity:1;transform:scale(1)}
}
@keyframes vmpRow3{
  0%,18%{opacity:.22;transform:scale(.7)}
  26%,100%{opacity:1;transform:scale(1)}
}
@keyframes vmpRow4{
  0%,28%{opacity:.22;transform:scale(.7)}
  36%,100%{opacity:1;transform:scale(1)}
}
@keyframes vmpSliderFill{
  0%,8%{width:18%}
  18%{width:30%}
  28%{width:42%}
  36%,50%{width:56%}
  56%,88%{width:42%}
  94%,100%{width:18%}
}
@keyframes vmpSliderThumb{
  0%,8%{left:18%}
  18%{left:30%}
  28%{left:42%}
  36%,50%{left:56%}
  56%,88%{left:42%}
  94%,100%{left:18%}
}
@media(max-width:680px){
  body[data-view] #multiplication-card.visual-collapse > .visual-collapse-summary{
    grid-template-columns:46px minmax(0,1fr);
    gap:12px;
    padding:16px;
  }
  body[data-view] .visual-summary-icon{
    width:46px;
    height:46px;
    align-self:start;
  }
  body[data-view] .visual-mini-preview{
    grid-column:1 / -1;
    width:100%;
    max-width:260px;
  }
}
@media(max-width:400px){
  body[data-view] #multiplication-card.visual-collapse > .visual-collapse-summary,
  body[data-view] #multiplication-card.visual-collapse[open] > .visual-collapse-summary{
    grid-template-columns:minmax(0,1fr);
    padding:14px;
  }
  body[data-view] .visual-summary-icon{display:none}
  body[data-view] .visual-mini-preview{max-width:100%}
}
@media(prefers-reduced-motion:reduce){
  body[data-view] .intro-dots-preview,
  body[data-view] .intro-dots-ans,
  body[data-view] .intro-dots-row,
  body[data-view] .intro-dots-group i,
  body[data-view] .intro-dots-row b,
  body[data-view] .daily-symbol,
  body[data-view] .daily-mini-bar u,
  body[data-view] .daily-mini-row strong,
  body[data-view] .visual-mini-eq b,
  body[data-view] .visual-mini-swap,
  body[data-view] .vmb-top b,
  body[data-view] .vmb-left b,
  body[data-view] .vms-val u,
  body[data-view] .vmb-grid,
  body[data-view] .vmb-grid i,
  body[data-view] .vms-fill,
  body[data-view] .vms-thumb{animation:none!important}
}