/* ==========================================================
   BELAJAREDUTECH
   PERKALIAN DAN PEMBAGIAN - MATEMATIKA KELAS 3
========================================================== */

.multiply-divide-grade-three-page {
    --md-accent: #0f766e;
    --md-accent-dark: #115e59;
    --md-accent-soft: #f0fdfa;
    --md-secondary: #2563eb;
    --md-purple: #7c3aed;
}



/* ==========================================================
   HERO
========================================================== */

.multiply-divide-hero {
    background:
        radial-gradient(
            circle at 86% 18%,
            rgba(15, 118, 110, 0.12),
            transparent 31%
        ),
        radial-gradient(
            circle at 12% 88%,
            rgba(37, 99, 235, 0.08),
            transparent 28%
        ),
        linear-gradient(
            180deg,
            #f7fffd,
            #ffffff
        );
}


.multiply-divide-hero-card {
    min-height: 440px;

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;

    padding: 38px;

    color: #ffffff;

    background:
        linear-gradient(
            135deg,
            var(--md-accent),
            var(--md-secondary)
        );

    border-radius:
        var(--radius-extra-large, 28px);

    box-shadow:
        var(
            --shadow-large,
            0 30px 80px rgba(15, 23, 42, 0.18)
        );

    text-align: center;
}


.multiply-divide-hero-label {
    margin-bottom: 22px;

    color:
        rgba(255, 255, 255, 0.72);

    font-size: 0.68rem;

    font-weight: 850;

    text-transform: uppercase;

    letter-spacing: 0.08em;
}


.hero-multiplication-array {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 8px;

    margin-bottom: 18px;
}


.hero-multiplication-array > div {
    display: grid;

    grid-template-columns:
        repeat(2, 18px);

    gap: 5px;

    padding: 10px;

    background:
        rgba(255, 255, 255, 0.09);

    border:
        1px solid
        rgba(255, 255, 255, 0.13);

    border-radius: 10px;
}


.hero-multiplication-array span {
    width: 18px;
    height: 18px;

    background: #ffffff;

    border-radius: 50%;
}


.hero-fact-primary {
    margin-bottom: 12px;

    padding: 13px 22px;

    color:
        var(--md-accent-dark);

    background: #ffffff;

    border-radius:
        var(--radius-medium, 14px);

    font-size: 1.25rem;

    font-weight: 900;
}


.hero-fact-family {
    display: flex;

    justify-content: center;

    flex-wrap: wrap;

    gap: 7px;
}


.hero-fact-family span {
    padding: 8px 10px;

    background:
        rgba(255, 255, 255, 0.09);

    border:
        1px solid
        rgba(255, 255, 255, 0.12);

    border-radius: 8px;

    font-size: 0.62rem;

    font-weight: 750;
}



/* ==========================================================
   INTRO
========================================================== */

.multiply-intro-visual {
    min-height: 350px;

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;

    padding: 35px;

    color: #ffffff;

    background:
        linear-gradient(
            135deg,
            #0f766e,
            #0891b2
        );
}


.intro-array {
    display: grid;

    grid-template-columns:
        repeat(4, 30px);

    gap: 9px;

    margin-bottom: 24px;

    padding: 20px;

    background:
        rgba(255, 255, 255, 0.09);

    border:
        1px solid
        rgba(255, 255, 255, 0.13);

    border-radius:
        var(--radius-large, 20px);
}


.intro-array span {
    width: 30px;
    height: 30px;

    background: #ffffff;

    border-radius: 50%;
}


.multiply-intro-visual > strong {
    margin-bottom: 6px;

    font-size: 1.25rem;
}


.multiply-intro-visual > small {
    color:
        rgba(255, 255, 255, 0.72);
}



/* ==========================================================
   ARRAY LEARNING
========================================================== */

.multiplication-grade-three-section {
    background:
        var(--color-background, #ffffff);
}


.array-learning-card {
    max-width: 850px;

    margin-inline: auto;

    padding: 30px;

    background:
        var(--color-background-soft, #f8fafc);

    border:
        1px solid
        var(--color-border, #e2e8f0);

    border-radius:
        var(--radius-extra-large, 28px);
}


.array-learning-visual {
    width: max-content;

    display: grid;

    grid-template-columns:
        repeat(6, 38px);

    gap: 10px;

    margin:
        0 auto 25px;

    padding: 20px;

    background: #ffffff;

    border-radius:
        var(--radius-large, 20px);
}


.array-learning-visual span {
    width: 38px;
    height: 38px;

    background:
        var(--md-accent);

    border-radius: 50%;
}


.array-learning-info {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 10px;

    margin-bottom: 15px;
}


.array-learning-info > div {
    padding: 15px;

    background: #ffffff;

    border-radius:
        var(--radius-medium, 14px);

    text-align: center;
}


.array-learning-info span,
.array-learning-info strong {
    display: block;
}


.array-learning-info span {
    margin-bottom: 5px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.61rem;
}


.array-learning-info strong {
    color:
        var(--md-accent);

    font-size: 1.3rem;
}


.array-learning-equation {
    padding: 17px;

    color: #ffffff;

    background:
        var(--md-accent);

    border-radius:
        var(--radius-medium, 14px);

    text-align: center;
}


.array-learning-equation span,
.array-learning-equation strong {
    display: block;
}


.array-learning-equation span {
    margin-bottom: 4px;

    color:
        rgba(255, 255, 255, 0.7);

    font-size: 0.62rem;
}



/* ==========================================================
   TWO-COLUMN SECTIONS
========================================================== */

.commutative-section,
.known-facts-section,
.division-visual-section {
    background:
        var(--color-background-soft, #f8fafc);
}


.commutative-wrapper,
.known-facts-wrapper,
.division-visual-wrapper {
    display: grid;

    grid-template-columns:
        minmax(0, 0.75fr)
        minmax(500px, 1.25fr);

    align-items: center;

    gap: 70px;
}


.commutative-content h2,
.known-facts-content h2,
.division-visual-content h2 {
    margin-bottom: 18px;

    font-size:
        clamp(
            2.2rem,
            4vw,
            3.5rem
        );

    letter-spacing: -0.04em;
}


.commutative-content p,
.known-facts-content p,
.division-visual-content p {
    color:
        var(--color-text-muted, #64748b);

    line-height: 1.8;
}



/* ==========================================================
   COMMUTATIVE
========================================================== */

.commutative-card {
    padding: 28px;

    background: #ffffff;

    border:
        1px solid
        var(--color-border, #e2e8f0);

    border-radius:
        var(--radius-large, 20px);
}


.commutative-example {
    display: grid;

    grid-template-columns:
        1fr auto 1fr;

    align-items: center;

    gap: 15px;
}


.commutative-example > div {
    text-align: center;
}


.commutative-example > div > strong {
    display: block;

    margin-bottom: 15px;

    color:
        var(--md-accent);

    font-size: 1.1rem;
}


.mini-array-three {
    display: grid;

    justify-content: center;

    gap: 5px;

    padding: 15px;

    background:
        var(--md-accent-soft);

    border-radius: 12px;
}


.mini-array-four-six {
    grid-template-columns:
        repeat(6, 14px);
}


.mini-array-six-four {
    grid-template-columns:
        repeat(4, 14px);
}


.mini-array-three span {
    width: 14px;
    height: 14px;

    background:
        var(--md-secondary);

    border-radius: 50%;
}


.commutative-equal {
    color:
        var(--md-accent);

    font-size: 1.6rem;

    font-weight: 900;
}


.commutative-card > p {
    margin:
        18px 0 0;

    color:
        var(--color-text-muted, #64748b);

    text-align: center;
}



/* ==========================================================
   SPLIT STRATEGY
========================================================== */

.split-strategy-section {
    background:
        var(--color-background, #ffffff);
}


.split-strategy-card {
    max-width: 820px;

    margin-inline: auto;

    padding: 30px;

    background:
        var(--md-accent-soft);

    border:
        1px solid #ccfbf1;

    border-radius:
        var(--radius-extra-large, 28px);

    text-align: center;
}


.split-main-equation {
    display: inline-block;

    padding: 15px 24px;

    color: #ffffff;

    background:
        var(--md-accent);

    border-radius:
        var(--radius-medium, 14px);

    font-size: 1.8rem;

    font-weight: 900;
}


.split-arrow {
    margin: 12px 0;

    color:
        var(--color-text-muted, #64748b);
}


.split-parts {
    display: grid;

    grid-template-columns:
        1fr auto 1fr;

    align-items: center;

    gap: 12px;

    margin-bottom: 15px;
}


.split-parts > div {
    padding: 20px;

    background: #ffffff;

    border-radius:
        var(--radius-medium, 14px);
}


.split-parts span,
.split-parts strong {
    display: block;
}


.split-parts > div span {
    margin-bottom: 5px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.61rem;
}


.split-parts > div strong {
    color:
        var(--md-accent);
}


.split-parts > span {
    color:
        var(--md-accent);

    font-size: 1.4rem;

    font-weight: 900;
}


.split-result {
    margin-bottom: 15px;

    padding: 17px;

    background: #ffffff;

    border-radius:
        var(--radius-medium, 14px);
}


.split-result span,
.split-result strong {
    display: block;
}


.split-result span {
    margin-bottom: 5px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.61rem;
}


.split-result strong {
    color:
        var(--md-accent-dark);

    font-size: 1.15rem;
}


.split-strategy-card > p {
    margin: 0;

    color:
        var(--color-text-muted, #64748b);
}



/* ==========================================================
   KNOWN FACTS
========================================================== */

.known-facts-card {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 10px;

    padding: 25px;

    background: #ffffff;

    border:
        1px solid
        var(--color-border, #e2e8f0);

    border-radius:
        var(--radius-large, 20px);
}


.known-facts-card > div {
    padding: 18px;

    background:
        var(--md-accent-soft);

    border-radius:
        var(--radius-medium, 14px);
}


.known-facts-card span,
.known-facts-card strong {
    display: block;
}


.known-facts-card span {
    margin-bottom: 5px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.61rem;
}


.known-facts-card strong {
    color:
        var(--md-accent);
}


.known-facts-card
.known-facts-total {
    grid-column:
        1 / -1;

    color: #ffffff;

    background:
        var(--md-accent);
}


.known-facts-card
.known-facts-total span,
.known-facts-card
.known-facts-total strong {
    color: #ffffff;
}



/* ==========================================================
   DIVISION
========================================================== */

.division-grade-three-section {
    background:
        var(--color-background, #ffffff);
}


.division-reverse-card {
    max-width: 850px;

    margin-inline: auto;

    padding: 30px;

    background:
        var(--color-background-soft, #f8fafc);

    border:
        1px solid
        var(--color-border, #e2e8f0);

    border-radius:
        var(--radius-extra-large, 28px);
}


.division-reverse-top {
    padding: 18px;

    color: #ffffff;

    background:
        var(--md-accent);

    border-radius:
        var(--radius-medium, 14px);

    text-align: center;
}


.division-reverse-top span,
.division-reverse-top strong {
    display: block;
}


.division-reverse-top span {
    margin-bottom: 5px;

    color:
        rgba(255, 255, 255, 0.7);

    font-size: 0.61rem;
}


.division-reverse-top strong {
    font-size: 1.25rem;
}


.division-reverse-arrow {
    margin: 12px 0;

    color:
        var(--color-text-muted, #64748b);

    text-align: center;
}


.division-reverse-results {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 10px;
}


.division-reverse-results > div {
    padding: 20px;

    background: #ffffff;

    border-radius:
        var(--radius-medium, 14px);

    text-align: center;
}


.division-reverse-results span,
.division-reverse-results strong {
    display: block;
}


.division-reverse-results span {
    margin-bottom: 5px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.61rem;
}


.division-reverse-results strong {
    color:
        var(--md-accent);

    font-size: 1.05rem;
}



/* ==========================================================
   DIVISION VISUAL
========================================================== */

.division-group-card {
    padding: 28px;

    background: #ffffff;

    border:
        1px solid
        var(--color-border, #e2e8f0);

    border-radius:
        var(--radius-large, 20px);
}


.division-six-groups {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 10px;

    margin-bottom: 18px;
}


.division-six-groups > div {
    min-height: 95px;

    display: grid;

    grid-template-columns:
        repeat(2, 24px);

    align-content: center;
    justify-content: center;

    gap: 7px;

    background:
        var(--md-accent-soft);

    border-radius:
        var(--radius-medium, 14px);
}


.division-six-groups span {
    width: 24px;
    height: 24px;

    background:
        var(--md-accent);

    border-radius: 50%;
}


.division-group-result {
    padding: 17px;

    color: #ffffff;

    background:
        var(--md-accent);

    border-radius:
        var(--radius-medium, 14px);

    text-align: center;
}


.division-group-result span,
.division-group-result strong {
    display: block;
}


.division-group-result span {
    margin-bottom: 5px;

    color:
        rgba(255, 255, 255, 0.7);

    font-size: 0.61rem;
}



/* ==========================================================
   FACT FAMILY
========================================================== */

.fact-family-section {
    background:
        var(--color-background, #ffffff);
}


.fact-family-card {
    max-width: 800px;

    margin-inline: auto;

    padding: 30px;

    background:
        var(--md-accent-soft);

    border:
        1px solid #ccfbf1;

    border-radius:
        var(--radius-extra-large, 28px);
}


.fact-family-numbers {
    display: flex;

    justify-content: center;

    gap: 12px;

    margin-bottom: 22px;
}


.fact-family-numbers span {
    width: 70px;
    height: 70px;

    display: grid;

    place-items: center;

    color: #ffffff;

    background:
        var(--md-accent);

    border-radius: 50%;

    font-size: 1.4rem;

    font-weight: 900;
}


.fact-family-grid {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 10px;
}


.fact-family-grid > div {
    padding: 18px;

    background: #ffffff;

    border-radius:
        var(--radius-medium, 14px);
}


.fact-family-grid small,
.fact-family-grid strong {
    display: block;
}


.fact-family-grid small {
    margin-bottom: 5px;

    color:
        var(--color-text-muted, #64748b);
}


.fact-family-grid strong {
    color:
        var(--md-accent);
}



/* ==========================================================
   INTERACTIVE
========================================================== */

.multiply-divide-interactive {
    color: #ffffff;

    background: #0f172a;
}


.multiply-divide-interactive
.section-eyebrow {
    color: #5eead4;
}


.multiply-divide-interactive
.section-header p {
    color: #94a3b8;
}


.multiply-divide-lab {
    max-width: 1000px;

    margin-inline: auto;
}


.fact-builder-panel,
.strategy-explorer-panel {
    margin-bottom: 18px;

    padding: 30px;

    background:
        rgba(255, 255, 255, 0.06);

    border:
        1px solid
        rgba(255, 255, 255, 0.1);

    border-radius:
        var(--radius-extra-large, 28px);
}


.lab-heading {
    margin-bottom: 25px;

    text-align: center;
}


.lab-heading > span {
    display: block;

    margin-bottom: 5px;

    color: #5eead4;

    font-size: 0.62rem;

    font-weight: 850;

    text-transform: uppercase;

    letter-spacing: 0.08em;
}


.lab-heading h3 {
    margin-bottom: 7px;

    color: #ffffff;
}


.lab-heading p {
    margin: 0;

    color: #94a3b8;

    font-size: 0.75rem;
}



/* ==========================================================
   FACT BUILDER CONTROLS
========================================================== */

.factor-controls {
    display: grid;

    grid-template-columns:
        1fr auto 1fr;

    align-items: center;

    gap: 18px;

    margin-bottom: 18px;
}


.factor-control-card {
    min-height: 210px;

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;

    padding: 22px;

    color:
        var(--color-text-secondary, #334155);

    background: #ffffff;

    border-radius:
        var(--radius-large, 20px);
}


.factor-control-card > span {
    margin-bottom: 10px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.63rem;

    font-weight: 850;

    text-transform: uppercase;
}


.factor-control-card > strong {
    margin-bottom: 14px;

    color:
        var(--md-accent);

    font-size: 3rem;
}


.factor-control-card > div {
    display: flex;

    gap: 8px;
}


.factor-control-card button {
    width: 44px;
    height: 44px;

    display: grid;

    place-items: center;

    color:
        var(--md-accent);

    background:
        var(--md-accent-soft);

    border:
        1px solid #ccfbf1;

    border-radius: 10px;

    font-size: 1.2rem;

    font-weight: 900;
}


.factor-control-card button:disabled {
    opacity: 0.35;

    cursor: not-allowed;
}


.factor-operation-symbol {
    color: #ffffff;

    font-size: 2rem;

    font-weight: 900;
}



/* ==========================================================
   DYNAMIC ARRAY
========================================================== */

.dynamic-array-wrapper {
    margin-bottom: 15px;

    padding: 22px;

    background:
        rgba(255, 255, 255, 0.06);

    border:
        1px solid
        rgba(255, 255, 255, 0.09);

    border-radius:
        var(--radius-large, 20px);
}


.dynamic-array-wrapper > span {
    display: block;

    margin-bottom: 18px;

    color: #94a3b8;

    font-size: 0.61rem;

    font-weight: 850;

    text-align: center;

    text-transform: uppercase;
}


.dynamic-array {
    --dynamic-columns: 4;

    width: max-content;

    max-width: 100%;

    display: grid;

    grid-template-columns:
        repeat(
            var(--dynamic-columns),
            24px
        );

    gap: 7px;

    margin-inline: auto;
}


.dynamic-array-item {
    width: 24px;
    height: 24px;

    display: block;

    background: #5eead4;

    border-radius: 50%;
}



/* ==========================================================
   FACT BUILDER RESULT
========================================================== */

.fact-builder-result {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 10px;

    margin-bottom: 12px;
}


.fact-builder-result > div {
    min-height: 120px;

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;

    padding: 15px;

    color:
        var(--color-text-secondary, #334155);

    background: #ffffff;

    border-radius:
        var(--radius-medium, 14px);

    text-align: center;
}


.fact-builder-result span,
.fact-builder-result strong {
    display: block;
}


.fact-builder-result span {
    margin-bottom: 5px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.59rem;
}


.fact-builder-result strong {
    color:
        var(--md-accent);

    font-size: 1.5rem;
}


.generated-fact-family {
    margin-bottom: 15px;

    padding: 20px;

    color:
        var(--color-text-secondary, #334155);

    background: #ffffff;

    border-radius:
        var(--radius-large, 20px);
}


.generated-fact-family > span {
    display: block;

    margin-bottom: 12px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.61rem;

    font-weight: 850;

    text-align: center;

    text-transform: uppercase;
}


.generated-fact-family > div {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 8px;
}


.generated-fact-family > div > div {
    padding: 13px;

    color:
        var(--md-accent-dark);

    background:
        var(--md-accent-soft);

    border-radius: 10px;

    text-align: center;

    font-weight: 850;
}


.lab-actions {
    text-align: center;
}


.lab-reset-button {
    color: #ffffff;

    background:
        rgba(255, 255, 255, 0.07);

    border:
        1px solid
        rgba(255, 255, 255, 0.14);
}



/* ==========================================================
   STRATEGY EXPLORER
========================================================== */

.strategy-selector {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 8px;

    margin-bottom: 15px;
}


.strategy-selector-button {
    padding: 14px;

    color: #cbd5e1;

    background:
        rgba(255, 255, 255, 0.06);

    border:
        1px solid
        rgba(255, 255, 255, 0.1);

    border-radius:
        var(--radius-medium, 14px);

    font-weight: 850;
}


.strategy-selector-button.active {
    color: #ffffff;

    background:
        var(--md-accent);

    border-color:
        var(--md-accent);
}


.strategy-explorer-result {
    padding: 28px;

    color:
        var(--color-text-secondary, #334155);

    background: #ffffff;

    border-radius:
        var(--radius-large, 20px);
}


.strategy-explorer-label {
    display: block;

    margin-bottom: 6px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.61rem;

    text-align: center;

    text-transform: uppercase;
}


.strategy-explorer-result h4 {
    margin-bottom: 20px;

    color:
        var(--md-accent);

    font-size: 1.8rem;

    text-align: center;
}


.strategy-explorer-split {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 10px;

    margin-bottom: 15px;
}


.strategy-explorer-split > div {
    padding: 15px;

    background:
        var(--md-accent-soft);

    border-radius:
        var(--radius-medium, 14px);
}


.strategy-explorer-split span,
.strategy-explorer-split strong {
    display: block;
}


.strategy-explorer-split span {
    margin-bottom: 5px;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.59rem;
}


.strategy-explorer-split strong {
    color:
        var(--md-accent-dark);
}


.strategy-generated-steps {
    display: grid;

    gap: 8px;

    margin-bottom: 15px;
}


.strategy-generated-step {
    display: grid;

    grid-template-columns:
        38px 1fr;

    align-items: center;

    gap: 11px;

    padding: 13px;

    background:
        var(--color-background-soft, #f8fafc);

    border-radius:
        var(--radius-medium, 14px);
}


.strategy-generated-step > span {
    width: 34px;
    height: 34px;

    display: grid;

    place-items: center;

    color: #ffffff;

    background:
        var(--md-accent);

    border-radius: 50%;

    font-size: 0.62rem;

    font-weight: 900;
}


.strategy-generated-step p {
    margin: 0;

    color:
        var(--color-text-muted, #64748b);

    font-size: 0.76rem;

    line-height: 1.6;
}


.strategy-explorer-answer {
    padding: 17px;

    color: #ffffff;

    background:
        var(--md-accent);

    border-radius:
        var(--radius-medium, 14px);

    text-align: center;
}


.strategy-explorer-answer span,
.strategy-explorer-answer strong {
    display: block;
}


.strategy-explorer-answer span {
    margin-bottom: 4px;

    color:
        rgba(255, 255, 255, 0.7);

    font-size: 0.6rem;
}


.strategy-explorer-answer strong {
    font-size: 1.7rem;
}



/* ==========================================================
   STORY
========================================================== */

.multiply-story-section {
    background:
        var(--color-background, #ffffff);
}


.multiply-story-card {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 12px;
}


.story-example {
    padding: 22px;

    background:
        var(--color-background-soft, #f8fafc);

    border:
        1px solid
        var(--color-border, #e2e8f0);

    border-radius:
        var(--radius-large, 20px);
}


.story-example > span {
    display: block;

    margin-bottom: 8px;

    color:
        var(--md-accent);

    font-size: 0.62rem;

    font-weight: 850;

    text-transform: uppercase;
}


.story-example p {
    color:
        var(--color-text-muted, #64748b);

    line-height: 1.65;
}


.story-example strong {
    color:
        var(--md-accent-dark);
}



/* ==========================================================
   PRACTICE
========================================================== */

.multiply-practice-equation {
    min-height: 120px;

    display: flex;

    align-items: center;
    justify-content: center;

    margin-bottom: 22px;

    color:
        var(--md-accent);

    background:
        var(--color-background-soft, #f8fafc);

    border-radius:
        var(--radius-medium, 14px);

    font-size: 1.8rem;

    font-weight: 900;
}


.practice-fact-family {
    min-height: 140px;

    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 8px;

    margin-bottom: 22px;

    padding: 15px;

    background:
        var(--color-background-soft, #f8fafc);

    border-radius:
        var(--radius-medium, 14px);
}


.practice-fact-family span {
    display: grid;

    place-items: center;

    padding: 10px;

    color:
        var(--md-accent);

    background: #ffffff;

    border-radius: 9px;

    font-weight: 850;
}



/* ==========================================================
   RESPONSIVE
========================================================== */

@media (max-width: 1024px) {

    .commutative-wrapper,
    .known-facts-wrapper,
    .division-visual-wrapper {
        grid-template-columns: 1fr;

        gap: 45px;
    }

}



@media (max-width: 860px) {

    .factor-controls {
        grid-template-columns: 1fr;
    }


    .factor-operation-symbol {
        transform:
            rotate(90deg);

        text-align: center;
    }


    .strategy-selector {
        grid-template-columns:
            repeat(2, 1fr);
    }

}



@media (max-width: 600px) {

    .multiply-divide-hero-card {
        min-height: 390px;

        padding: 25px;
    }


    .hero-multiplication-array {
        grid-template-columns:
            repeat(2, 1fr);
    }


    .array-learning-visual {
        grid-template-columns:
            repeat(6, 28px);

        gap: 7px;

        padding: 14px;
    }


    .array-learning-visual span {
        width: 28px;
        height: 28px;
    }


    .array-learning-info {
        grid-template-columns: 1fr;
    }


    .commutative-example {
        grid-template-columns: 1fr;
    }


    .commutative-equal {
        transform:
            rotate(90deg);

        text-align: center;
    }


    .split-parts {
        grid-template-columns: 1fr;
    }


    .split-parts > span {
        transform:
            rotate(90deg);

        text-align: center;
    }


    .known-facts-card {
        grid-template-columns: 1fr;
    }


    .known-facts-card
    .known-facts-total {
        grid-column: auto;
    }


    .division-reverse-results {
        grid-template-columns: 1fr;
    }


    .division-six-groups {
        grid-template-columns:
            repeat(2, 1fr);
    }


    .fact-family-grid {
        grid-template-columns: 1fr;
    }


    .fact-builder-panel,
    .strategy-explorer-panel {
        padding: 18px;
    }


    .fact-builder-result {
        grid-template-columns: 1fr;
    }


    .generated-fact-family > div {
        grid-template-columns: 1fr;
    }


    .strategy-selector {
        grid-template-columns: 1fr;
    }


    .strategy-explorer-result {
        padding: 18px;
    }


    .strategy-explorer-split {
        grid-template-columns: 1fr;
    }


    .multiply-story-card {
        grid-template-columns: 1fr;
    }


    .practice-fact-family {
        grid-template-columns: 1fr;
    }

}