.vca-app {
    max-width: 1120px;
    margin: 0 auto;
    padding: 24px;
    font-family: inherit;
}
.vca-app * {
    box-sizing: border-box;
}
.vca-app__view {
    display: none;
}
.vca-app__view--active {
    display: block;
}
.vca-app__hero,
.vca-app__view:not(.vca-app__hero) {
    padding: 28px;
    border: 1px solid #dcdcde;
    border-radius: 16px;
    background: #fff;
}
.vca-app__eyebrow {
    margin: 0 0 8px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.vca-app__pass,
.vca-app__lead {
    font-weight: 700;
}
.vca-app__notice {
    padding: 14px 16px;
    border-left: 4px solid currentColor;
    background: rgba(0,0,0,.04);
}
.vca-app__button,
.vca-app__link-button,
.vca-app__card {
    font: inherit;
}
.vca-app__button,
.vca-app__link-button {
    margin: 8px 8px 0 0;
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid currentColor;
    background: #fff;
    color: inherit;
    cursor: pointer;
    text-decoration: none;
}
.vca-app__button {
    font-weight: 700;
}
.vca-app__button:hover,
.vca-app__button:focus,
.vca-app__link-button:hover,
.vca-app__link-button:focus,
.vca-app__card:hover,
.vca-app__card:focus {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}
.vca-app__toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}
.vca-app__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 24px;
}
.vca-app__card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    min-height: 160px;
    padding: 18px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: #fff;
    color: inherit;
    text-align: left;
    cursor: pointer;
}
.vca-app__order {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    min-width: 32px;
    height: 32px;
    border-radius: 999px;
    border: 1px solid currentColor;
    font-weight: 700;
}
.vca-app__card-title {
    font-size: 1.05rem;
    font-weight: 700;
}
.vca-app__card-text {
    font-size: .95rem;
}
.vca-app__lesson-box {
    padding: 18px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.03);
}
.vca-app__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}
@media (max-width: 640px) {
    .vca-app {
        padding: 16px;
    }
    .vca-app__hero,
    .vca-app__view:not(.vca-app__hero) {
        padding: 20px;
    }
    .vca-app__grid {
        grid-template-columns: 1fr;
    }
    .vca-app__button,
    .vca-app__link-button {
        width: 100%;
        margin-right: 0;
    }
}

/* Brief 4A: force category tile text visibility against theme button styles. */
.vca-app button.vca-app__card,
.vca-app .vca-app__grid button.vca-app__card {
    appearance: none;
    -webkit-appearance: none;
    background: #ffffff !important;
    color: #111827 !important;
    border-color: #dcdcde !important;
    box-shadow: none;
    opacity: 1 !important;
    visibility: visible !important;
}
.vca-app button.vca-app__card:hover,
.vca-app button.vca-app__card:focus,
.vca-app .vca-app__grid button.vca-app__card:hover,
.vca-app .vca-app__grid button.vca-app__card:focus {
    background: #f7faff !important;
    color: #111827 !important;
    border-color: #2f5aae !important;
}
.vca-app button.vca-app__card span,
.vca-app .vca-app__card .vca-app__order,
.vca-app .vca-app__card .vca-app__card-title,
.vca-app .vca-app__card .vca-app__card-text,
.vca-app .vca-app__card .vca-app__card-link {
    color: inherit !important;
    opacity: 1 !important;
    visibility: visible !important;
}
.vca-app button.vca-app__card .vca-app__order {
    border-color: rgba(34, 197, 94, 0.48) !important;
}


/* Brief 5: lesson MVP structure and mobile readability. */
.vca-app__lesson-sections {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}
.vca-app__lesson-section {
    padding: 16px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.025);
}
.vca-app__lesson-section h4 {
    margin-top: 2px;
    margin-bottom: 8px;
}
.vca-app__lesson-section p {
    margin-bottom: 0;
}
.vca-app__lesson .vca-app__lead {
    line-height: 1.6;
}
@media (max-width: 640px) {
    .vca-app__lesson-section {
        padding: 14px;
    }
}

/* Brief 6: single_choice training questions MVP. */
.vca-training {
    margin-top: 22px;
}
.vca-training-question {
    padding: 18px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.025);
}
.vca-training-question h4 {
    margin-top: 0;
    line-height: 1.4;
}
.vca-training-question__instruction {
    margin: 8px 0 12px;
    font-weight: 700;
    line-height: 1.5;
}

.vca-question-asset {
    margin: 14px 0 18px;
    padding: 14px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: #fff;
}
.vca-question-asset__image {
    display: block;
    width: 100%;
    max-width: 220px;
    height: auto;
    margin: 0 auto;
}
.vca-training-question__answers {
    display: grid;
    gap: 10px;
    margin: 16px 0;
}
.vca-training-question__answer {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px 14px;
    border: 1px solid #dcdcde;
    border-radius: 12px;
    background: #fff;
    line-height: 1.5;
    cursor: pointer;
}
.vca-training-question__answer input {
    margin-top: 4px;
}
.vca-training-question__answer:has(input:disabled) {
    cursor: default;
}
.vca-training-question__answer--selected {
    font-weight: 700;
}
.vca-training-question__answer--correct {
    border-color: currentColor;
}
.vca-training-question__answer--wrong {
    text-decoration: line-through;
}
.vca-training-question__validation,
.vca-training-question__feedback {
    font-weight: 700;
}
.vca-training-question__validation,
.vca-training-question__feedback--wrong {
    color: #8a2424;
}
.vca-training-question__feedback--correct {
    color: #14532d;
}
.vca-training-question__result {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #dcdcde;
}
.vca-training-question__result p {
    line-height: 1.6;
}
@media (max-width: 640px) {
    .vca-training-question {
        padding: 14px;
    }
    .vca-training-question__answer {
        padding: 12px;
    }
}


/* Brief 6A: single_choice readability and theme-cache hardening. */
.vca-app .vca-training-question [hidden] {
    display: none !important;
}
.vca-app .vca-training-question__answers {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
}
.vca-app .vca-training-question__answer {
    width: 100%;
    max-width: 100%;
}
.vca-app .vca-training-question__answer input[type="radio"],
.vca-app .vca-training-question__answer input[type="checkbox"] {
    flex: 0 0 auto;
}
.vca-app .vca-training-question__answer span {
    display: block;
}
.vca-app .vca-training-question button[data-vca-check-question] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
@media (max-width: 640px) {
    .vca-app .vca-training-question button[data-vca-check-question] {
        width: 100%;
    }
}

/* Brief 6B: breathing space between training question and lesson/legal notices. */
.vca-app .vca-training + .vca-app__notice,
.vca-app .vca-training-question + .vca-app__notice {
    margin-top: 24px;
}
.vca-app .vca-training + .vca-app__notice {
    margin-bottom: 22px;
}
.vca-app .vca-training-question {
    margin-bottom: 0;
}
@media (max-width: 640px) {
    .vca-app .vca-training + .vca-app__notice,
    .vca-app .vca-training-question + .vca-app__notice {
        margin-top: 20px;
    }
}


/* Brief 10A.5B: align lesson/training answer states with quiz result styling. */
.vca-app .vca-training-question--checked .vca-training-question__answer--correct {
    border-color: #14532d;
    background: rgba(20,83,45,.08);
    color: #14532d;
}
.vca-app .vca-training-question--checked .vca-training-question__answer--wrong {
    border-color: #8a2424;
    background: rgba(138,36,36,.08);
    color: #8a2424;
    text-decoration: none;
}

/* Brief 7: category quiz MVP v1. */
.vca-category-quiz__stage[hidden],
.vca-category-quiz__question[hidden],
.vca-category-quiz__mistakes[hidden] {
    display: none !important;
}
.vca-category-quiz__summary {
    display: grid;
    gap: 12px;
    margin: 18px 0;
}
.vca-category-quiz__summary div {
    padding: 14px 16px;
    border: 1px solid #dcdcde;
    border-radius: 12px;
    background: rgba(0,0,0,.025);
}
.vca-category-quiz__summary dt {
    margin: 0 0 4px;
    font-weight: 700;
}
.vca-category-quiz__summary dd {
    margin: 0;
}
.vca-category-quiz__question {
    padding: 18px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.025);
}
.vca-category-quiz__counter {
    margin-top: 0;
    font-weight: 700;
}
.vca-category-quiz__mistakes {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid #dcdcde;
}
.vca-category-quiz__mistake {
    padding: 16px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.025);
}
.vca-category-quiz__mistake + .vca-category-quiz__mistake {
    margin-top: 14px;
}
.vca-category-quiz__mistake p {
    line-height: 1.6;
}
.vca-category-quiz__answer {
    display: inline-block;
    margin-top: 6px;
    padding: 9px 13px;
    border: 2px solid currentColor;
    border-radius: 14px;
    background: #fff;
    font-weight: 500;
}
.vca-category-quiz__answer--wrong {
    color: #8a2424;
    background: #fff5f5;
}
.vca-category-quiz__answer--correct {
    color: #14532d;
    background: #f3fff6;
}
@media (max-width: 640px) {
    .vca-category-quiz__question,
    .vca-category-quiz__mistake {
        padding: 14px;
    }
}

/* Brief 7B: category quiz polish and mobile handoff readiness. */
.vca-category-quiz {
    max-width: 100%;
    overflow-wrap: anywhere;
}
.vca-category-quiz .vca-training-question__answers {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
}
.vca-category-quiz .vca-training-question__answer {
    display: flex;
    width: 100%;
    max-width: 100%;
    padding: 12px;
    margin-bottom: 0;
}
.vca-category-quiz .vca-app__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}
.vca-category-quiz .vca-app__actions button {
    min-height: 44px;
}
.vca-category-quiz .vca-app__notice {
    margin-top: 18px;
    margin-bottom: 18px;
}
.vca-category-quiz__summary div {
    min-width: 0;
}
.vca-category-quiz__answer {
    max-width: 100%;
    white-space: normal;
}
.vca-category-quiz__mistake-actions {
    margin-top: 18px;
}
@media (max-width: 600px) {
    .vca-category-quiz .vca-app__actions {
        flex-direction: column;
    }
    .vca-category-quiz .vca-app__actions button {
        width: 100%;
        margin-right: 0;
    }
    .vca-category-quiz__summary {
        gap: 10px;
    }
    .vca-category-quiz__summary div,
    .vca-category-quiz__question,
    .vca-category-quiz__mistake {
        padding: 14px;
    }
}

/* Brief 9: mistake review MVP. */
.vca-category-quiz__review {
    margin-top: 22px;
    padding: 18px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.025);
}
.vca-category-quiz__review h4 {
    margin-top: 0;
    line-height: 1.4;
}
.vca-category-quiz__review-count,
.vca-category-quiz__review-result {
    margin-top: 14px;
}
.vca-category-quiz__review-result {
    padding-top: 14px;
    border-top: 1px solid #dcdcde;
}
.vca-category-quiz__review .vca-training-question__answer--correct {
    border-color: #14532d;
    background: rgba(20,83,45,.08);
    color: #14532d;
}
.vca-category-quiz__review .vca-training-question__answer--wrong {
    border-color: #8a2424;
    background: rgba(138,36,36,.08);
    color: #8a2424;
    text-decoration: none;
}
@media (max-width: 640px) {
    .vca-category-quiz__review {
        padding: 14px;
    }
    .vca-category-quiz__review .vca-app__actions {
        gap: 10px;
    }
}

/* Brief 10: exam mock MVP. */
.vca-exam-mock,
.vca-exam-mock__stage,
.vca-exam-mock__question,
.vca-exam-mock__entry {
    max-width: 100%;
    overflow-wrap: anywhere;
}
.vca-exam-mock__entry {
    margin: 18px 0 22px;
}
.vca-exam-mock__stage[hidden],
.vca-exam-mock__question[hidden] {
    display: none !important;
}
.vca-exam-mock .vca-training-question__answers {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
}
.vca-exam-mock .vca-training-question__answer {
    width: 100%;
    max-width: 100%;
    margin-bottom: 0;
}
.vca-exam-mock .vca-app__notice {
    margin-top: 18px;
    margin-bottom: 18px;
}
.vca-exam-mock .vca-app__actions button {
    min-height: 44px;
}
@media (max-width: 600px) {
    .vca-exam-mock .vca-app__actions {
        flex-direction: column;
    }
    .vca-exam-mock .vca-app__actions button {
        width: 100%;
        margin-right: 0;
    }
    .vca-exam-mock__question,
    .vca-exam-mock .vca-category-quiz__mistake,
    .vca-exam-mock .vca-category-quiz__summary div {
        padding: 14px;
    }
}

/* Brief 10A: mobile full-width hotfix for exam/result screens inside narrow theme containers. */
@media (max-width: 640px) {
    .vca-app {
        width: 100vw;
        max-width: 100vw;
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
        padding: 0 10px;
        overflow-x: hidden;
    }
    .vca-app__hero,
    .vca-app__view:not(.vca-app__hero) {
        width: 100%;
        padding: 18px 14px;
        border-radius: 0;
        border-left: 0;
        border-right: 0;
    }
    .vca-app__actions {
        gap: 10px;
    }
    .vca-app__button,
    .vca-app__link-button {
        min-height: 48px;
    }
    .vca-exam-mock .vca-category-quiz__summary div,
    .vca-exam-mock .vca-category-quiz__mistake,
    .vca-exam-mock__question,
    .vca-category-quiz__summary div,
    .vca-category-quiz__mistake,
    .vca-category-quiz__question {
        padding: 14px;
    }
    .vca-app__notice {
        padding: 14px;
    }
}

/* Brief 10B: compact exam navigation. */
.vca-exam-mock__toolbar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 0 0 16px;
}
.vca-exam-mock__toolbar .vca-exam-mock__nav-button {
    width: 100%;
    min-height: 38px;
    margin: 0;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: .95rem;
    font-weight: 500;
}
@media (max-width: 640px) {
    .vca-exam-mock__toolbar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        margin-bottom: 14px;
    }
    .vca-exam-mock__toolbar .vca-exam-mock__nav-button {
        width: 100%;
        min-height: 40px;
        padding: 8px 10px;
    }
}

/* Brief 10C: exam review flag and question map. */
.vca-exam-mock__workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 176px;
    gap: 18px;
    align-items: start;
}
.vca-exam-mock__question-area {
    min-width: 0;
}
.vca-exam-mock__question-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}
.vca-exam-mock__question-head h3 {
    margin-bottom: 0;
}
.vca-exam-mock__flag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 8px 12px;
    border: 1px solid currentColor;
    border-radius: 999px;
    background: #fff;
    color: inherit;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    white-space: nowrap;
}
.vca-exam-mock__flag-icon {
    display: inline-block;
    width: 14px;
    height: 18px;
    border: 2px solid currentColor;
    border-bottom: 0;
    border-radius: 4px 4px 2px 2px;
    position: relative;
}
.vca-exam-mock__flag-icon::after {
    content: "";
    position: absolute;
    left: 2px;
    right: 2px;
    bottom: -6px;
    height: 10px;
    border-left: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(-45deg);
    background: #fff;
}
.vca-exam-mock__flag--active {
    background: rgba(245,158,11,.14);
    border-color: #9a5b00;
    color: #6b3f00;
}
.vca-exam-mock__flag--active .vca-exam-mock__flag-icon::after {
    background: #fff7e6;
}
.vca-exam-mock__map {
    position: sticky;
    top: 12px;
    padding: 14px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.025);
}
.vca-exam-mock__map h4 {
    margin: 0 0 12px;
}
.vca-exam-mock__map-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
}
.vca-exam-mock__map-button {
    min-width: 0;
    min-height: 34px;
    padding: 4px;
    border: 1px solid #b8b8b8;
    border-radius: 9px;
    background: #fff;
    color: inherit;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}
.vca-exam-mock__map-button--active {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}
.vca-exam-mock__map-button--answered {
    background: rgba(20,83,45,.08);
    border-color: #14532d;
}
.vca-exam-mock__map-button--marked {
    background: rgba(245,158,11,.18);
    border-color: #9a5b00;
    color: #6b3f00;
}
.vca-exam-mock__map-button--answered.vca-exam-mock__map-button--marked {
    box-shadow: inset 0 -4px 0 rgba(20,83,45,.24);
}
.vca-exam-mock__legend {
    display: grid;
    gap: 8px;
    margin-top: 12px;
    font-size: .9rem;
}
.vca-exam-mock__legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.vca-exam-mock__legend-dot {
    width: 13px;
    height: 13px;
    border: 1px solid currentColor;
    border-radius: 4px;
}
.vca-exam-mock__legend-dot--answered {
    background: rgba(20,83,45,.14);
    border-color: #14532d;
}
.vca-exam-mock__legend-dot--marked {
    background: rgba(245,158,11,.22);
    border-color: #9a5b00;
}
@media (max-width: 782px) {
    .vca-exam-mock__workspace {
        grid-template-columns: 1fr;
    }
    .vca-exam-mock__map {
        position: static;
        order: 2;
    }
    .vca-exam-mock__map-grid {
        grid-template-columns: repeat(10, minmax(0, 1fr));
    }
}
@media (max-width: 640px) {
    .vca-exam-mock__workspace {
        gap: 14px;
    }
    .vca-exam-mock__question-head {
        display: block;
    }
    .vca-exam-mock__flag {
        margin-top: 12px;
        width: 100%;
        justify-content: center;
        min-height: 44px;
    }
    .vca-exam-mock__map {
        padding: 12px;
    }
    .vca-exam-mock__map-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
    .vca-exam-mock__map-button {
        min-height: 38px;
    }
}

/* Brief 10A.5C: selected-answer marker readability hotfix. */
.vca-app .vca-training-question__answer {
    align-items: center;
}
.vca-app .vca-training-question__answer span:not(.vca-answer-marker) {
    flex: 1 1 auto;
}
.vca-app .vca-answer-marker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    margin-left: auto;
    padding: 2px 8px;
    border: 1px solid currentColor;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.3;
    white-space: nowrap;
}
.vca-app .vca-answer-marker--correct {
    color: #14532d;
    border-color: #14532d;
    background: #f3fff6;
}
.vca-app .vca-answer-marker--selected-correct {
    color: #14532d;
    border-color: #86efac;
    background: #f0fdf4;
}
.vca-app .vca-answer-marker--selected-wrong {
    color: #8a2424;
    border-color: #b91c1c;
    background: #fff5f5;
}
@media (max-width: 640px) {
    .vca-app .vca-training-question__answer {
        align-items: flex-start;
    }
    .vca-app .vca-answer-marker {
        margin-top: 1px;
        font-size: 12px;
    }
}


/* Brief 10A.6B: exam skip/return rule alignment and sidebar return marker. */
.vca-app__screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.vca-exam-mock__workspace {
    grid-template-columns: minmax(0, 1fr) 232px;
}
.vca-exam-mock__question-head {
    display: block;
}
.vca-exam-mock__map-grid {
    grid-template-columns: repeat(5, 34px);
    justify-content: start;
}
.vca-exam-mock__map-button {
    width: 34px;
    min-width: 34px;
    min-height: 38px;
    padding: 4px 2px;
    white-space: nowrap;
    line-height: 1.1;
    text-align: center;
}
.vca-exam-mock__map-footer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: start;
    margin-top: 12px;
}
.vca-exam-mock__legend {
    margin-top: 0;
}
.vca-exam-mock__flag--panel {
    position: relative;
    justify-content: center;
    align-self: start;
    width: 24px;
    min-width: 24px;
    min-height: 24px;
    height: 24px;
    margin-top: 2px;
    margin-left: auto;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    border-radius: 0;
    gap: 0;
}
.vca-exam-mock__flag--panel:hover,
.vca-exam-mock__flag--panel:focus-visible {
    background: transparent;
}
.vca-exam-mock__flag--panel.vca-exam-mock__flag--active {
    background: transparent;
    color: #6b3f00;
}
.vca-exam-mock__flag-square {
    display: inline-block;
    position: relative;
    width: 22px;
    height: 22px;
    border: 2px solid #9a5b00;
    border-radius: 4px;
    background: #fff7e6;
    flex: 0 0 auto;
    transition: background .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.vca-exam-mock__flag-square::after {
    content: "";
    position: absolute;
    top: -2px;
    right: -2px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 9px 9px;
    border-color: transparent transparent #d97706 transparent;
}
.vca-exam-mock__flag--panel.vca-exam-mock__flag--active .vca-exam-mock__flag-square {
    background: rgba(245,158,11,.32);
    box-shadow: inset 0 0 0 2px #fff7e6;
}
@media (max-width: 782px) {
    .vca-exam-mock__workspace {
        grid-template-columns: 1fr;
    }
    .vca-exam-mock__map-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
    .vca-exam-mock__map-button {
        width: 100%;
        min-width: 0;
    }
}

/* Brief 11: Results History + Progress Panel MVP. */
.vca-progress__entry {
    margin: 16px 0 24px;
}
.vca-progress__section {
    margin-top: 22px;
    padding: 18px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.025);
}
.vca-progress__section h4 {
    margin-top: 0;
}
.vca-progress__summary,
.vca-progress__history {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}
.vca-progress__summary-item,
.vca-progress__card {
    padding: 14px;
    border: 1px solid #dcdcde;
    border-radius: 12px;
    background: #fff;
    overflow-wrap: anywhere;
}
.vca-progress__summary-item {
    font-weight: 700;
}
.vca-progress__card h5 {
    margin: 0 0 10px;
    line-height: 1.35;
}
.vca-progress__card p {
    margin: 6px 0 0;
}
.vca-progress__card--action {
    position: relative;
    z-index: 2;
    cursor: pointer;
    transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.vca-progress__card--action:hover,
.vca-progress__card--action:focus {
    border-color: #2f9e44;
    box-shadow: 0 8px 20px rgba(47, 158, 68, .12);
    outline: none;
    transform: translateY(-1px);
}
.vca-progress__card-action {
    font-weight: 700;
    color: #0f7b2f;
}
.vca-progress__empty {
    margin-top: 16px;
    padding: 16px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.03);
}
.vca-progress__message {
    margin-top: 12px;
    font-weight: 700;
}
.vca-progress__clear {
    margin-top: 18px;
}
@media (max-width: 640px) {
    .vca-progress__section {
        padding: 14px;
    }
    .vca-progress__summary,
    .vca-progress__history {
        grid-template-columns: 1fr;
    }
    .vca-progress__card,
    .vca-progress__summary-item {
        width: 100%;
    }
    .vca-progress__actions {
        gap: 12px;
    }
}

/* Brief 11A: Progress panel notice spacing polish. */
.vca-progress .vca-progress__summary + .vca-app__notice,
.vca-progress .vca-progress__section + .vca-app__notice {
    margin-top: 24px;
}
.vca-progress .vca-progress__section .vca-app__notice {
    margin-bottom: 0;
}
@media (max-width: 640px) {
    .vca-progress .vca-progress__summary + .vca-app__notice,
    .vca-progress .vca-progress__section + .vca-app__notice {
        margin-top: 20px;
    }
}

/* Brief 11B: Help icons in progress summary tiles. */
.vca-progress__summary-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}
.vca-progress__summary-text {
    flex: 1 1 auto;
    min-width: 0;
}
.vca-progress__help {
    position: relative;
    flex: 0 0 auto;
}
.vca-progress__help-button {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    padding: 0;
    border: 1px solid #8c8f94;
    border-radius: 999px;
    background: #fff;
    color: #1d2327;
    font-size: 14px;
    font-weight: 700;
    line-height: 22px;
    text-align: center;
    cursor: pointer;
}
.vca-progress__help-button:focus-visible {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}
.vca-progress__help-tooltip {
    position: absolute;
    z-index: 20;
    top: 32px;
    right: 0;
    display: none;
    width: min(280px, calc(100vw - 48px));
    padding: 12px;
    border: 1px solid #dcdcde;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 10px 26px rgba(0,0,0,.14);
    color: #1d2327;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.45;
}
.vca-progress__help:hover .vca-progress__help-tooltip,
.vca-progress__help:focus-within .vca-progress__help-tooltip,
.vca-progress__help-button[aria-expanded="true"] + .vca-progress__help-tooltip {
    display: block;
}
@media (max-width: 640px) {
    .vca-progress__summary-item {
        align-items: flex-start;
    }
    .vca-progress__help-tooltip {
        position: absolute;
        right: 0;
        width: min(260px, calc(100vw - 56px));
    }
}

/* Brief 11D: Summary tile details jump buttons. */
.vca-progress__tile-actions {
    display: inline-flex;
    align-items: flex-start;
    gap: 8px;
    flex: 0 0 auto;
}
.vca-progress__details-button {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    padding: 0;
    border: 1px solid #8c8f94;
    border-radius: 999px;
    background: #fff;
    color: #1d2327;
    font-size: 17px;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
    cursor: pointer;
}
.vca-progress__details-button:hover,
.vca-progress__details-button:focus-visible {
    border-color: #2271b1;
}
.vca-progress__details-button:focus-visible {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}
.vca-progress__section:focus {
    outline: none;
}
@media (max-width: 640px) {
    .vca-progress__tile-actions {
        gap: 6px;
    }
}


/* Brief 10A.4A: safety signs library and asset registry MVP. */
.vca-signs__groups,
.vca-signs__grid,
.vca-signs__lesson-grid {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}
.vca-signs__groups {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.vca-signs__grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.vca-signs__group-card,
.vca-signs__tile,
.vca-signs__lesson-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    padding: 16px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: #fff;
    color: #111827;
    font: inherit;
    text-align: left;
}
.vca-signs__group-card,
.vca-signs__tile {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}
.vca-signs__lesson-card {
    cursor: default;
}
.vca-signs__group-card:hover,
.vca-signs__group-card:focus,
.vca-signs__tile:hover,
.vca-signs__tile:focus {
    outline: 2px solid currentColor;
    outline-offset: 2px;
    background: #f7faff;
}
.vca-signs__group-icon {
    width: 48px;
    height: 48px;
    border-radius: 999px;
    border: 6px solid currentColor;
    display: inline-block;
}
.vca-signs__group-icon--mandatory { background: #1976d2; color: #1976d2; }
.vca-signs__group-icon--warning {
    border-radius: 0;
    border-left: 24px solid transparent;
    border-right: 24px solid transparent;
    border-bottom: 44px solid #f9a825;
    border-top: 0;
    width: 0;
    height: 0;
    background: transparent;
}
.vca-signs__group-icon--evacuation { background: #2e7d32; color: #2e7d32; border-radius: 8px; }
.vca-signs__group-icon--fire { background: #c62828; color: #c62828; border-radius: 8px; }
.vca-signs__group-icon--prohibition { background: #fff; color: #d32f2f; }
.vca-signs__thumb {
    width: 92px;
    height: 92px;
    object-fit: contain;
    align-self: center;
}
.vca-signs-detail__layout {
    display: grid;
    grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    margin-top: 20px;
}
.vca-signs-detail__image {
    width: 100%;
    max-width: 260px;
    height: auto;
    padding: 12px;
    border: 1px solid #dcdcde;
    border-radius: 16px;
    background: #fff;
}
.vca-signs-detail__content {
    min-width: 0;
}
.vca-signs-detail__categories {
    margin: 8px 0 0 20px;
}
.vca-signs__lesson-examples {
    margin-top: 20px;
    padding: 16px;
    border: 1px solid #dcdcde;
    border-radius: 14px;
    background: rgba(0,0,0,.025);
}
.vca-signs__lesson-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    margin-top: 12px;
}
.vca-signs__lesson-card {
    align-items: center;
    text-align: center;
    font-weight: 700;
}
.vca-signs__lesson-card img {
    width: 72px;
    height: 72px;
    object-fit: contain;
}
.vca-signs__lesson-caption {
    margin: 0;
    font-size: 13px;
    line-height: 1.35;
    font-weight: 700;
    color: #111827;
}
@media (max-width: 768px) {
    .vca-signs-detail__layout {
        grid-template-columns: 1fr;
    }
    .vca-signs-detail__image {
        max-width: 220px;
        margin: 0 auto;
    }
}
@media (max-width: 640px) {
    .vca-signs__groups,
    .vca-signs__grid,
    .vca-signs__lesson-grid {
        grid-template-columns: 1fr;
    }
    .vca-signs__tile,
    .vca-signs__group-card,
    .vca-signs__lesson-card {
        width: 100%;
    }
}

/* Brief 10A.4A UI polish: compact sign tiles and detail navigation. */
.vca-signs__tile {
    position: relative;
    padding-bottom: 42px;
}
.vca-signs__tile-open {
    position: absolute;
    right: 14px;
    bottom: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 1px solid currentColor;
    border-radius: 999px;
    font-size: 22px;
    font-weight: 700;
    line-height: 1;
}
.vca-signs-detail__title {
    text-align: center;
}
.vca-signs-detail__viewer {
    display: grid;
    grid-template-columns: 56px minmax(180px, 360px) 56px;
    gap: 18px;
    align-items: center;
    justify-content: center;
    margin: 24px auto 18px;
}
.vca-signs-detail__viewer .vca-signs-detail__image {
    max-width: 360px;
    justify-self: center;
}
.vca-signs-detail__arrow {
    appearance: none;
    -webkit-appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border: 1px solid #111827;
    border-radius: 999px;
    background: #fff;
    color: #111827;
    font: inherit;
    font-size: 34px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
}
.vca-signs-detail__arrow:hover,
.vca-signs-detail__arrow:focus {
    outline: 2px solid currentColor;
    outline-offset: 2px;
    background: #f7faff;
}
.vca-signs-detail .vca-signs-detail__content {
    max-width: 720px;
    margin: 0 auto;
}

@media (max-width: 640px) {
    .vca-signs-detail__viewer {
        grid-template-columns: 44px minmax(0, 1fr) 44px;
        gap: 10px;
    }
    .vca-signs-detail__arrow {
        width: 42px;
        height: 42px;
        font-size: 28px;
    }
    .vca-signs-detail__viewer .vca-signs-detail__image {
        max-width: 100%;
    }
}

/* Brief 12F: lesson-only browser lector, centered compact player with single-state play/pause and live volume control. */
.vca-lector {
    margin: 14px 0 22px;
    padding: 14px 16px;
    border: 1px solid #d1d5db;
    border-radius: 18px;
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.05);
}
.vca-lector [hidden],
.vca-lector .is-hidden {
    display: none !important;
}
.vca-lector__controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 12px;
    align-items: center;
    justify-content: center;
}
.vca-lector__transport,
.vca-lector__volume {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    flex: 0 0 auto;
}
.vca-lector__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    min-width: 42px;
    height: 42px;
    min-height: 42px;
    padding: 0;
    border: 1px solid #111827;
    border-radius: 999px;
    background: #ffffff;
    color: #111827;
    line-height: 1;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease, opacity 0.18s ease;
}
.vca-lector__button:hover {
    background: #f3f4f6;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
    transform: translateY(-1px);
}
.vca-lector__button:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 3px;
}
.vca-lector__button[disabled],
.vca-lector__button[aria-disabled='true'] {
    opacity: 0.42;
    cursor: default;
    box-shadow: none;
    transform: none;
}
.vca-lector__button[disabled]:hover,
.vca-lector__button[aria-disabled='true']:hover {
    background: #ffffff;
}
.vca-lector__button--primary {
    background: #111827;
    color: #ffffff;
}
.vca-lector__button--primary:hover {
    background: #1f2937;
}
.vca-lector__button--primary.is-playing {
    gap: 5px;
}
.vca-lector__button--primary.is-playing .vca-lector__icon--play {
    display: none !important;
}
.vca-lector__button--primary.is-playing::before,
.vca-lector__button--primary.is-playing::after {
    content: "";
    display: block;
    width: 4px;
    height: 17px;
    background: #ffffff;
    border-radius: 3px;
}
.vca-lector__icon {
    display: block;
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
}
.vca-lector__icon--volume {
    color: #374151;
}

.vca-lector__button--primary .vca-lector__icon--play,
.vca-lector__button--primary .vca-lector__icon--pause {
    color: #ffffff;
    stroke: #ffffff;
}
.vca-lector__icon--pause {
    width: 20px;
    height: 20px;
    stroke-width: 2.6;
}
.vca-lector__volume {
    padding: 6px 10px;
    border: 1px solid #e5e7eb;
    border-radius: 999px;
    background: #ffffff;
}
.vca-lector__volume-range {
    width: 132px;
    accent-color: #111827;
    cursor: pointer;
}
.vca-lector__status {
    margin: 8px 0 0;
    text-align: center;
    font-weight: 700;
}
.vca-lector__status:empty {
    display: none;
}
@media (max-width: 640px) {
    .vca-lector {
        position: sticky;
        top: 10px;
        z-index: 30;
        padding: 12px 14px;
        margin-top: 10px;
        backdrop-filter: blur(10px);
        box-shadow: 0 10px 24px rgba(15, 23, 42, 0.10);
    }
    .vca-lector__controls {
        gap: 8px 10px;
    }
    .vca-lector__button {
        width: 40px;
        min-width: 40px;
        height: 40px;
        min-height: 40px;
    }
    .vca-lector__icon {
        width: 17px;
        height: 17px;
    }
    .vca-lector__volume {
        min-width: 0;
        max-width: 100%;
    }
    .vca-lector__volume-range {
        width: min(112px, 42vw);
    }
}

/* Brief 12A: subtle active word highlight while the lesson lector is reading. */
.vca-lector-word {
    border-radius: 4px;
    transition: background-color 0.12s ease, box-shadow 0.12s ease;
}
.vca-lector-word--active {
    background: rgba(250, 204, 21, 0.28);
    box-shadow: 0 0 0 2px rgba(250, 204, 21, 0.18);
}

/* Brief 10A.Q2: matching question MVP. */
.vca-matching-question {
    display: grid;
    gap: 14px;
    margin: 16px 0;
}
.vca-matching-question__item {
    display: grid;
    grid-template-columns: minmax(136px, 182px) minmax(0, 1fr);
    gap: 18px;
    align-items: center;
    padding: 18px;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    background: #ffffff;
}
.vca-matching-question__item--correct {
    border-color: #16a34a;
    background: #ecfdf5;
}
.vca-matching-question__item--wrong {
    border-color: #dc2626;
    background: #fef2f2;
}
.vca-question-asset--matching {
    margin: 0;
}
.vca-question-asset--matching .vca-question-asset__image {
    max-height: 162px;
}
.vca-matching-question__select-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 700;
}
.vca-matching-question select {
    width: 100%;
    max-width: 100%;
    min-height: 52px;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    background: #ffffff;
    font: inherit;
}
@media (max-width: 640px) {
    .vca-matching-question__item {
        grid-template-columns: 1fr;
    }
    .vca-question-asset--matching .vca-question-asset__image {
        max-height: 146px;
    }
}

/* Brief 10A.Q2C: center matching image + answer controls on desktop only. */
@media (min-width: 641px) {
    .vca-matching-question__item {
        grid-template-columns: minmax(136px, 182px) minmax(220px, 320px);
        justify-content: center;
        align-items: center;
    }
    .vca-question-asset--matching {
        grid-row: 1 / span 2;
        justify-self: center;
        align-self: center;
    }
    .vca-matching-question__select-label {
        grid-column: 2;
        align-self: end;
    }
    .vca-matching-question select {
        grid-column: 2;
        align-self: start;
        max-width: 320px;
    }
}

/* BRIEF 10A.Q3A-A — yes_no_matrix layout hotfix */
.vca-yes-no-matrix {
    display: grid;
    gap: 0.85rem;
    margin: 1rem 0;
    max-width: 100%;
    min-width: 0;
}

.vca-yes-no-matrix__item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    border: 1px solid rgba(15, 23, 42, 0.14);
    border-radius: 16px;
    margin: 0;
    padding: 1rem;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    background: #fff;
    overflow-wrap: anywhere;
}

.vca-yes-no-matrix__statement {
    display: block;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    font-weight: 700;
    line-height: 1.45;
    margin: 0;
    padding: 0;
    color: #172033;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: normal;
}

.vca-yes-no-matrix__options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: flex-start;
    min-width: 0;
    max-width: 100%;
}

.vca-yes-no-matrix__option {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-width: 5.5rem;
    min-height: 2.65rem;
    border: 1px solid rgba(15, 23, 42, 0.16);
    border-radius: 999px;
    padding: 0.5rem 0.85rem;
    font-weight: 700;
    cursor: pointer;
    background: #f8fafc;
    box-sizing: border-box;
    white-space: nowrap;
}

.vca-yes-no-matrix__option input {
    margin: 0;
    flex: 0 0 auto;
}

.vca-yes-no-matrix__option--selected {
    border-color: rgba(37, 99, 235, 0.75);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.vca-yes-no-matrix__option--correct,
.vca-yes-no-matrix__item--correct {
    border-color: rgba(22, 163, 74, 0.7);
    background: rgba(240, 253, 244, 0.92);
}

.vca-yes-no-matrix__option--wrong,
.vca-yes-no-matrix__item--wrong {
    border-color: rgba(220, 38, 38, 0.7);
    background: rgba(254, 242, 242, 0.92);
}

@media (min-width: 720px) {
    .vca-yes-no-matrix__item {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        column-gap: 1rem;
    }

    .vca-yes-no-matrix__options {
        justify-content: flex-end;
        flex-wrap: nowrap;
    }
}

@media (max-width: 480px) {
    .vca-yes-no-matrix__item {
        padding: 0.85rem;
    }

    .vca-yes-no-matrix__options {
        display: grid;
        grid-template-columns: 1fr 1fr;
        width: 100%;
    }

    .vca-yes-no-matrix__option {
        min-width: 0;
        width: 100%;
    }
}


/* BRIEF 10A.Q4 — ordering question skeleton MVP */
.vca-ordering-question {
    display: grid;
    gap: 0.75rem;
    margin: 1rem 0;
    padding: 0;
    list-style: none;
}

.vca-ordering-question__item {
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem;
    border: 1px solid rgba(15, 23, 42, 0.16);
    border-radius: 14px;
    background: #ffffff;
}

.vca-ordering-question__position {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.08);
    font-weight: 700;
}

.vca-ordering-question__controls {
    display: inline-flex;
    gap: 0.35rem;
}

.vca-ordering-question__move {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.35rem;
    min-height: 2.35rem;
    padding: 0;
    border: 1px solid rgba(15, 23, 42, 0.28);
    border-radius: 10px;
    background: #f8fafc;
    color: #0f172a;
    line-height: 1;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.vca-ordering-question__icon {
    display: block;
    width: 1.05rem;
    height: 1.05rem;
    fill: currentColor;
    pointer-events: none;
}

.vca-ordering-question__move:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.vca-ordering-question__text {
    min-width: 0;
    overflow-wrap: anywhere;
}

.vca-ordering-question__item--correct {
    border-color: rgba(22, 163, 74, 0.7);
    background: rgba(22, 163, 74, 0.08);
}

.vca-ordering-question__item--wrong {
    border-color: rgba(220, 38, 38, 0.65);
    background: rgba(220, 38, 38, 0.08);
}

@media (max-width: 480px) {
    .vca-ordering-question__item {
        grid-template-columns: auto minmax(0, 1fr);
        gap: 0.6rem;
    }

    .vca-ordering-question__controls {
        grid-column: 1 / -1;
        order: 3;
        width: 100%;
    }

    .vca-ordering-question__move {
        flex: 1;
    }
}

.vca-scenario-choice__scenario {
    border: 1px solid #dbe4ee;
    border-radius: 16px;
    background: #f8fbff;
    padding: 16px;
    margin: 12px 0 16px;
    overflow-wrap: anywhere;
}

.vca-scenario-choice__label {
    margin: 0 0 8px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #44556b;
}

.vca-scenario-choice__scenario p:last-child {
    margin-bottom: 0;
}

.vca-training-question--scenario-choice,
.vca-category-quiz__question .vca-scenario-choice__scenario {
    max-width: 100%;
}

/* BRIEF 10A.Q6 — classification question skeleton MVP */
.vca-classification-question {
    display: grid;
    gap: 0.85rem;
    margin: 1rem 0;
    max-width: 100%;
    min-width: 0;
}

.vca-classification-question__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(180px, 260px);
    gap: 0.75rem;
    align-items: center;
    padding: 0.95rem;
    border: 1px solid rgba(15, 23, 42, 0.14);
    border-radius: 16px;
    background: #ffffff;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    overflow-wrap: anywhere;
}

.vca-classification-question__label {
    min-width: 0;
    font-weight: 700;
    line-height: 1.45;
}

.vca-classification-question select {
    width: 100%;
    max-width: 100%;
    min-height: 52px;
    padding: 0.75rem 0.85rem;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    background: #ffffff;
    font: inherit;
    box-sizing: border-box;
}

.vca-classification-question__correct-group {
    grid-column: 1 / -1;
    margin: 0;
    font-weight: 700;
    color: #991b1b;
}

.vca-classification-question__item--correct {
    border-color: rgba(22, 163, 74, 0.7);
    background: rgba(22, 163, 74, 0.08);
}

.vca-classification-question__item--wrong {
    border-color: rgba(220, 38, 38, 0.65);
    background: rgba(220, 38, 38, 0.08);
}

@media (max-width: 640px) {
    .vca-classification-question__item {
        grid-template-columns: 1fr;
        padding: 0.85rem;
    }
}

/* BRIEF 10A.Q7 — dropdown gap / pull-down question skeleton MVP */
.vca-dropdown-gap-question {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    margin: 1rem 0;
    max-width: 100%;
    min-width: 0;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.vca-dropdown-gap-question__text {
    min-width: 0;
    font-weight: 700;
}

.vca-dropdown-gap-question__select {
    width: auto;
    max-width: 100%;
    min-width: 220px;
    min-height: 48px;
    padding: 0.7rem 0.85rem;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    background: #ffffff;
    font: inherit;
    box-sizing: border-box;
}

.vca-dropdown-gap-question__select--correct {
    border-color: rgba(22, 163, 74, 0.7);
    background: rgba(22, 163, 74, 0.08);
}

.vca-dropdown-gap-question__select--wrong {
    border-color: rgba(220, 38, 38, 0.65);
    background: rgba(220, 38, 38, 0.08);
}

.vca-dropdown-gap-question__correct-answer {
    flex-basis: 100%;
    margin: 0.25rem 0 0;
    font-weight: 700;
    color: #991b1b;
}

@media (max-width: 640px) {
    .vca-dropdown-gap-question {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.45rem;
    }

    .vca-dropdown-gap-question__select {
        width: 100%;
        min-width: 0;
    }
}

.vca-hotspot-question {
    margin: 1rem 0;
    max-width: 100%;
}

.vca-hotspot-question__frame {
    position: relative;
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid rgba(15, 23, 42, 0.14);
    background: #f8fafc;
    cursor: crosshair;
    touch-action: manipulation;
}

.vca-hotspot-question__image {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
}

.vca-hotspot-question__marker,
.vca-hotspot-question__area {
    position: absolute;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 2;
}

.vca-hotspot-question__marker {
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 999px;
    border: 3px solid #0f172a;
    background: #ffffff;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.32);
    overflow: hidden;
    text-indent: -999px;
}

.vca-hotspot-question__marker::after {
    content: '';
    position: absolute;
    inset: 0.28rem;
    border-radius: 999px;
    background: #0f172a;
}

.vca-hotspot-question__marker--correct {
    border-color: #16a34a;
    box-shadow: 0 2px 12px rgba(22, 163, 74, 0.36);
}

.vca-hotspot-question__marker--correct::after {
    background: #16a34a;
}

.vca-hotspot-question__marker--wrong {
    border-color: #b91c1c;
    box-shadow: 0 2px 12px rgba(185, 28, 28, 0.4);
}

.vca-hotspot-question__marker--wrong::after {
    background: #b91c1c;
}

.vca-hotspot-question__area {
    border-radius: 999px;
    border: 3px solid #16a34a;
    background: rgba(22, 163, 74, 0.16);
    box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.08);
    overflow: hidden;
    text-indent: -999px;
}

.vca-training-question--checked .vca-hotspot-question__frame {
    cursor: default;
}

@media (max-width: 480px) {
    .vca-hotspot-question__frame {
        border-radius: 14px;
    }

    .vca-hotspot-question__marker {
        width: 1.15rem;
        height: 1.15rem;
    }
}

.vca-case-study {
    display: block;
}

.vca-case-study__scenario {
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 16px;
    padding: 16px;
    margin: 14px 0;
    background: rgba(248, 250, 252, 0.9);
}

.vca-case-study__label {
    margin: 0 0 8px;
    font-weight: 700;
}

.vca-case-study__questions {
    display: grid;
    gap: 16px;
    margin-top: 16px;
}

.vca-case-study__sub-question {
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 16px;
    padding: 16px;
    background: #fff;
    max-width: 100%;
}

.vca-case-study__sub-question h5 {
    margin: 0 0 8px;
    font-size: 1rem;
}

.vca-case-study__question-text {
    margin: 0 0 12px;
    font-weight: 700;
}

.vca-case-study__sub-result,
.vca-case-study__sub-correct,
.vca-case-study__sub-explanation {
    margin: 10px 0 0;
}

.vca-case-study__sub-question--correct {
    border-color: rgba(22, 163, 74, 0.45);
}

.vca-case-study__sub-question--wrong {
    border-color: rgba(220, 38, 38, 0.45);
}

@media (max-width: 480px) {
    .vca-case-study__scenario,
    .vca-case-study__sub-question {
        padding: 12px;
        border-radius: 14px;
    }

    .vca-case-study__questions {
        gap: 12px;
    }
}

/* BRIEF 10A.UI1: VCA Learning visual redesign foundation v1.
   Scope: VCA Learning only. No dependency on portal CSS/classes. */
.vca-app,
.vca-learning-shell {
    --vca-learning-primary: #15803d;
    --vca-learning-primary-hover: #166534;
    --vca-learning-text: #172033;
    --vca-learning-heading: #0f172a;
    --vca-learning-muted: #64748b;
    --vca-learning-border: #dbe7f3;
    --vca-learning-border-strong: #cbd5e1;
    --vca-learning-surface: #ffffff;
    --vca-learning-surface-soft: #f8fafc;
    --vca-learning-surface-green: #f0fdf4;
    --vca-learning-danger: #9f1239;
    --vca-learning-danger-soft: #fff1f2;
    --vca-learning-radius-sm: 0.85rem;
    --vca-learning-radius: 1.15rem;
    --vca-learning-radius-lg: 1.6rem;
    --vca-learning-shadow-soft: 0 1rem 2.4rem rgba(15, 23, 42, 0.07);
    --vca-learning-shadow-button: 0 0.85rem 1.45rem rgba(21, 128, 61, 0.18);
    width: min(1160px, calc(100% - 2rem));
    max-width: 1160px;
    margin: 0 auto;
    padding: clamp(1rem, 2.5vw, 1.5rem);
    color: var(--vca-learning-text);
    line-height: 1.58;
    overflow-x: clip;
}

.vca-app *,
.vca-app *::before,
.vca-app *::after {
    box-sizing: border-box;
}

.vca-app h2,
.vca-app h3,
.vca-app h4 {
    color: var(--vca-learning-heading);
    line-height: 1.18;
    letter-spacing: -0.02em;
}

.vca-app h2 {
    margin: 0.1rem 0 0.65rem;
    font-size: clamp(2rem, 4.6vw, 3.15rem);
}

.vca-app h3 {
    margin-top: 0;
    font-size: clamp(1.35rem, 2.8vw, 2rem);
}

.vca-app h4 {
    font-size: clamp(1.08rem, 2vw, 1.25rem);
}

.vca-app p {
    max-width: 78ch;
}

.vca-app__hero,
.vca-app__view:not(.vca-app__hero),
.vca-learning-section,
.vca-learning-card {
    border: 1px solid var(--vca-learning-border);
    border-radius: var(--vca-learning-radius-lg);
    background: var(--vca-learning-surface);
    box-shadow: var(--vca-learning-shadow-soft);
}

.vca-app__hero,
.vca-learning-hero {
    position: relative;
    padding: clamp(1.45rem, 4vw, 2.55rem);
    background: linear-gradient(135deg, #ffffff 0%, #f0fdf4 58%, #ecfdf5 100%);
    overflow: hidden;
}

.vca-app__view:not(.vca-app__hero) {
    padding: clamp(1.25rem, 3vw, 2rem);
}


/* BRIEF 10A.Q14I-H2-H3 — split learning hero and certificate into two separate overalls. */
.vca-start-view {
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
}

.vca-start-view.vca-app__view--active {
    display: grid;
    gap: clamp(1rem, 2vw, 1.35rem);
}

.vca-start-view > .vca-pwa-notifications,
.vca-start-view > .vca-certificate-card {
    margin-top: 0;
}

.vca-app__eyebrow {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin: 0 0 0.85rem;
    padding: 0.34rem 0.62rem;
    border: 1px solid rgba(21, 128, 61, 0.20);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.74);
    color: var(--vca-learning-primary);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    line-height: 1;
    text-transform: uppercase;
}

.vca-app__pass,
.vca-app__lead {
    color: #334155;
    line-height: 1.65;
}

.vca-app__notice,
.vca-learning-notice {
    margin: 1rem 0;
    padding: 1rem 1.05rem;
    border: 1px solid rgba(21, 128, 61, 0.20);
    border-left: 0.38rem solid var(--vca-learning-primary);
    border-radius: var(--vca-learning-radius);
    background: #f0fdf4;
    color: #14532d;
    box-shadow: none;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.vca-app__button,
.vca-app__link-button,
.vca-learning-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.85rem;
    margin: 0;
    padding: 0.78rem 1.08rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font: inherit;
    font-weight: 800;
    line-height: 1.15;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.vca-app__button,
.vca-learning-button--primary {
    border-color: var(--vca-learning-primary);
    background: var(--vca-learning-primary);
    color: #ffffff;
    box-shadow: var(--vca-learning-shadow-button);
}

.vca-app__button:hover,
.vca-app__button:focus-visible,
.vca-learning-button--primary:hover,
.vca-learning-button--primary:focus-visible {
    border-color: var(--vca-learning-primary-hover);
    background: var(--vca-learning-primary-hover);
    color: #ffffff;
    box-shadow: 0 1rem 1.8rem rgba(21, 128, 61, 0.26);
    transform: translateY(-1px);
}

.vca-app__link-button,
.vca-learning-button--ghost,
.vca-learning-button--nav {
    border-color: rgba(100, 116, 139, 0.26);
    background: rgba(255, 255, 255, 0.72);
    color: #334155;
    box-shadow: none;
    font-weight: 750;
}

.vca-app__link-button:hover,
.vca-app__link-button:focus-visible,
.vca-learning-button--ghost:hover,
.vca-learning-button--ghost:focus-visible,
.vca-learning-button--nav:hover,
.vca-learning-button--nav:focus-visible {
    border-color: rgba(21, 128, 61, 0.34);
    background: #f0fdf4;
    color: var(--vca-learning-primary);
    transform: translateY(-1px);
}


.vca-app__hero > .vca-app__actions .vca-app__button:first-child {
    border-color: #16a34a;
    background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%);
    color: #ffffff;
    box-shadow: 0 0.65rem 0 0 rgba(20, 83, 45, 0.10), 0 0.95rem 1.5rem rgba(21, 128, 61, 0.30);
}

.vca-app__hero > .vca-app__actions .vca-app__button:first-child:hover,
.vca-app__hero > .vca-app__actions .vca-app__button:first-child:focus-visible {
    border-color: #15803d;
    background: linear-gradient(180deg, #16a34a 0%, #15803d 100%);
    color: #ffffff;
    box-shadow: 0 0.7rem 0 0 rgba(20, 83, 45, 0.12), 0 1.05rem 1.65rem rgba(21, 128, 61, 0.34);
    transform: translateY(-1px);
}

.vca-learning-button--secondary,
.vca-app__hero .vca-app__actions .vca-app__button:not(:first-child),
.vca-app .vca-exam-mock__entry .vca-app__button,
.vca-app .vca-progress__entry .vca-app__button,
.vca-app .vca-signs__entry .vca-app__button,
.vca-app__lesson-box .vca-app__button + .vca-app__button {
    border-color: var(--vca-learning-border-strong);
    background: #ffffff;
    color: var(--vca-learning-text);
    box-shadow: none;
}

.vca-learning-button--secondary:hover,
.vca-learning-button--secondary:focus-visible,
.vca-app__hero .vca-app__actions .vca-app__button:not(:first-child):hover,
.vca-app__hero .vca-app__actions .vca-app__button:not(:first-child):focus-visible,
.vca-app .vca-exam-mock__entry .vca-app__button:hover,
.vca-app .vca-exam-mock__entry .vca-app__button:focus-visible,
.vca-app .vca-progress__entry .vca-app__button:hover,
.vca-app .vca-progress__entry .vca-app__button:focus-visible,
.vca-app .vca-signs__entry .vca-app__button:hover,
.vca-app .vca-signs__entry .vca-app__button:focus-visible,
.vca-app__lesson-box .vca-app__button + .vca-app__button:hover,
.vca-app__lesson-box .vca-app__button + .vca-app__button:focus-visible {
    border-color: var(--vca-learning-primary);
    background: #f0fdf4;
    color: var(--vca-learning-primary);
    box-shadow: none;
}

.vca-progress__clear,
.vca-learning-button--danger-light {
    border-color: rgba(159, 18, 57, 0.28) !important;
    background: var(--vca-learning-danger-soft) !important;
    color: var(--vca-learning-danger) !important;
    box-shadow: none !important;
}

.vca-progress__clear:hover,
.vca-progress__clear:focus-visible,
.vca-learning-button--danger-light:hover,
.vca-learning-button--danger-light:focus-visible {
    border-color: rgba(159, 18, 57, 0.48) !important;
    background: #ffe4e6 !important;
    color: #881337 !important;
}

.vca-app__button:focus-visible,
.vca-app__link-button:focus-visible,
.vca-app__card:focus-visible,
.vca-learning-button:focus-visible {
    outline: 3px solid rgba(21, 128, 61, 0.28);
    outline-offset: 3px;
}

.vca-app__button:hover,
.vca-app__button:focus,
.vca-app__link-button:hover,
.vca-app__link-button:focus,
.vca-app__card:hover,
.vca-app__card:focus {
    outline: none;
}

.vca-app__actions,
.vca-app__toolbar,
.vca-learning-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.vca-app__actions {
    margin-top: 1.25rem;
}
.vca-app__portal-home-mobile-wrap {
    display: none;
}


.vca-app__toolbar {
    margin-bottom: 1.15rem;
}

.vca-app__grid {
    gap: clamp(0.9rem, 2vw, 1.15rem);
}

.vca-app__card,
.vca-app__lesson-box,
.vca-app__lesson-section,
.vca-training-question,
.vca-category-quiz__question,
.vca-category-quiz__review,
.vca-category-quiz__mistake,
.vca-category-quiz__summary div,
.vca-exam-mock__map,
.vca-question-asset,
.vca-learning-card {
    border: 1px solid var(--vca-learning-border);
    border-radius: var(--vca-learning-radius);
    background: var(--vca-learning-surface);
    box-shadow: 0 0.7rem 1.6rem rgba(15, 23, 42, 0.045);
}

.vca-app__card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.9rem;
    min-height: 250px;
    padding: 1.1rem;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.vca-app__card-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.45rem 0.7rem;
}

.vca-app__card:hover,
.vca-app__card:focus-visible {
    border-color: rgba(21, 128, 61, 0.36) !important;
    background: #f8fff9 !important;
    box-shadow: 0 1rem 2rem rgba(15, 23, 42, 0.07);
    transform: translateY(-1px);
}

.vca-app__order {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.06rem;
    width: 2.35rem;
    min-width: 2.35rem;
    height: 2.35rem;
    border: 1px solid rgba(34, 197, 94, 0.48);
    border-radius: 0.9rem;
    background: linear-gradient(180deg, #f7fff8 0%, #ecfdf3 100%);
    color: var(--vca-learning-primary);
    font-size: 1rem;
    font-weight: 800;
    line-height: 1;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95), 0 0.45rem 0.95rem rgba(21, 128, 61, 0.12);
}

.vca-app__card:hover .vca-app__order,
.vca-app__card:focus-visible .vca-app__order {
    border-color: rgba(21, 128, 61, 0.52);
    background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.96), 0 0.55rem 1.1rem rgba(21, 128, 61, 0.16);
}

.vca-app__card-title {
    flex: 1 1 10rem;
    min-width: 0;
    margin-top: 0.06rem;
    color: #334155;
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.24;
    text-align: left;
    text-wrap: pretty;
}

.vca-app__card-text {
    color: #475569;
    line-height: 1.55;
    text-align: left;
}

.vca-app__card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
    margin-top: auto;
    color: #14824a !important;
    font-weight: 800;
    line-height: 1.2;
    text-align: left;
}

.vca-app__card:hover .vca-app__card-link,
.vca-app__card:focus-visible .vca-app__card-link {
    color: #0f6a3c !important;
    text-decoration: underline;
    text-underline-offset: 0.14em;
}

.vca-app__lesson-box,
.vca-app__lesson-section,
.vca-training-question,
.vca-category-quiz__question,
.vca-category-quiz__review,
.vca-category-quiz__mistake,
.vca-category-quiz__summary div,
.vca-exam-mock__map {
    background: var(--vca-learning-surface-soft);
}

.vca-training-question__answer,
.vca-exam-mock__flag,
.vca-exam-mock__map-button,
.vca-category-quiz__answer {
    border-color: var(--vca-learning-border-strong);
    border-radius: var(--vca-learning-radius-sm);
}

.vca-training-question__answer:hover {
    border-color: rgba(21, 128, 61, 0.36);
    background: #f8fff9;
}

.vca-question-asset__image,
.vca-signs__image,
.vca-signs__lesson-card img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 640px) {
    .vca-app,
    .vca-learning-shell {
        width: min(100%, calc(100vw - 1rem));
        max-width: calc(100vw - 1rem);
        margin-left: auto;
        margin-right: auto;
        padding: 0.75rem 0;
        overflow-x: hidden;
    }

    .vca-app__hero,
    .vca-app__view:not(.vca-app__hero) {
        width: 100%;
        padding: 1.05rem;
        border-left: 1px solid var(--vca-learning-border);
        border-right: 1px solid var(--vca-learning-border);
        border-radius: 1.2rem;
    }

    .vca-app__actions,
    .vca-app__toolbar,
    .vca-learning-actions {
        gap: 0.72rem;
    }

    .vca-app__actions .vca-app__button,
    .vca-app__actions .vca-app__link-button,
    .vca-app__toolbar .vca-app__link-button {
        width: 100%;
        margin: 0;
    }

    .vca-exam-mock__toolbar {
        grid-template-columns: 1fr;
    }

    .vca-app__grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
        margin-top: 1.15rem;
    }

    .vca-app__card,
    .vca-app__lesson-box,
    .vca-app__lesson-section,
    .vca-training-question,
    .vca-category-quiz__question,
    .vca-category-quiz__review,
    .vca-category-quiz__mistake,
    .vca-category-quiz__summary div,
    .vca-exam-mock__map,
    .vca-question-asset {
        padding: 0.95rem;
    }


    .vca-app__card {
        min-height: 220px;
        gap: 0.78rem;
    }

    .vca-app__card-head {
        gap: 0.42rem 0.64rem;
    }

    .vca-app__card-title {
        flex-basis: 100%;
        font-size: 0.98rem;
        line-height: 1.22;
    }

    .vca-app__order {
        width: 2.2rem;
        min-width: 2.2rem;
        height: 2.2rem;
        border-radius: 0.85rem;
        font-size: 0.96rem;
    }

    .vca-app__notice,
    .vca-learning-notice {
        padding: 0.95rem;
        border-left-width: 0.3rem;
    }
}

/* BRIEF 10A.UI1A - mobile start notice placement hotfix */
@media (max-width: 640px) {
    .vca-app__hero {
        flex-direction: column;
    }

    .vca-app__hero.vca-app__view--active {
        display: flex;
    }

    .vca-app__hero > .vca-app__actions {
        order: 5;
    }

    .vca-app__hero > .vca-app__notice {
        order: 6;
        margin: 1rem 0 0;
    }

    .vca-app__hero > .vca-app__actions .vca-app__portal-home-desktop,
    .vca-app__hero > .vca-app__actions .vca-app__portal-contact-desktop {
        display: none;
    }

    .vca-app__hero > .vca-app__portal-home-mobile-wrap {
        display: flex;
        flex-direction: column;
        gap: 0.72rem;
        order: 7;
        width: 100%;
        margin-top: 0.9rem;
    }

    .vca-app__hero > .vca-app__portal-home-mobile-wrap .vca-app__portal-home-mobile,
    .vca-app__hero > .vca-app__portal-home-mobile-wrap .vca-app__portal-contact-mobile {
        display: flex;
        width: 100%;
        justify-content: center;
        border-color: #c7d2e3;
        background: #ffffff;
        color: #0b1f44;
        box-shadow: none;
    }

    .vca-app__hero > .vca-app__portal-home-mobile-wrap .vca-app__portal-home-mobile:hover,
    .vca-app__hero > .vca-app__portal-home-mobile-wrap .vca-app__portal-home-mobile:focus-visible,
    .vca-app__hero > .vca-app__portal-home-mobile-wrap .vca-app__portal-contact-mobile:hover,
    .vca-app__hero > .vca-app__portal-home-mobile-wrap .vca-app__portal-contact-mobile:focus-visible {
        border-color: #9fb3c8;
        background: #f5f9ff;
        color: #0b1f44;
        box-shadow: none;
    }
}

/* BRIEF 10A.UI1B - categories-first course start hotfix */
.vca-app__support-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(0.9rem, 2vw, 1.15rem);
    margin-top: clamp(1.1rem, 2.6vw, 1.6rem);
}

.vca-app__support-panel .vca-app__lesson-box {
    margin: 0;
}

@media (min-width: 860px) {
    .vca-app__support-panel {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .vca-app__support-panel {
        gap: 0.85rem;
        margin-top: 1rem;
    }
}


/* BRIEF 10A.UI1H - top course navigation stronger shadow hotfix */
.vca-app__toolbar--course-nav {
    gap: 0.7rem;
}

.vca-app__toolbar--course-nav .vca-app__link-button {
    min-height: 2.7rem;
    padding: 0.72rem 1rem;
    border-color: #16a34a;
    background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%);
    color: #ffffff;
    font-weight: 800;
    box-shadow: 0 0.65rem 0 0 rgba(20, 83, 45, 0.10), 0 0.95rem 1.5rem rgba(21, 128, 61, 0.30);
}

.vca-app__toolbar--course-nav .vca-app__link-button:hover,
.vca-app__toolbar--course-nav .vca-app__link-button:focus-visible {
    border-color: #15803d;
    background: linear-gradient(180deg, #16a34a 0%, #15803d 100%);
    color: #ffffff;
    box-shadow: 0 0.7rem 0 0 rgba(20, 83, 45, 0.12), 0 1.05rem 1.65rem rgba(21, 128, 61, 0.34);
    transform: translateY(-1px);
}

@media (max-width: 640px) {
    .vca-app__toolbar--course-nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
        align-items: stretch;
        margin-bottom: 1rem;
    }

    .vca-app__toolbar--course-nav .vca-app__link-button {
        width: 100%;
        min-height: 2.4rem;
        padding: 0.54rem 0.6rem;
        border-color: #16a34a;
        background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%);
        color: #ffffff;
        font-size: 0.88rem;
        font-weight: 800;
        line-height: 1.05;
        box-shadow: 0 0.55rem 0 0 rgba(20, 83, 45, 0.10), 0 0.85rem 1.25rem rgba(21, 128, 61, 0.28);
        white-space: nowrap;
    }

    .vca-app__toolbar--course-nav .vca-app__link-button:hover,
    .vca-app__toolbar--course-nav .vca-app__link-button:focus-visible {
        background: linear-gradient(180deg, #16a34a 0%, #15803d 100%);
        color: #ffffff;
        box-shadow: 0 0.6rem 0 0 rgba(20, 83, 45, 0.12), 0 0.95rem 1.35rem rgba(21, 128, 61, 0.32);
        transform: translateY(-1px);
    }
}


/* BRIEF 10A.UI2F - categories overall inset shadow hotfix */
.vca-app__view[data-vca-view="categories"] {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.92),
        inset 0 0 0 1px rgba(148, 163, 184, 0.08),
        inset 0 1.15rem 2.2rem rgba(15, 23, 42, 0.045),
        var(--vca-learning-shadow-soft);
}

.vca-app__view[data-vca-view="categories"] .vca-app__card,
.vca-app__view[data-vca-view="categories"] .vca-app__lesson-box {
    background: #ffffff;
}

@media (max-width: 640px) {
    .vca-app__view[data-vca-view="categories"] {
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.92),
            inset 0 0 0 1px rgba(148, 163, 184, 0.08),
            inset 0 0.9rem 1.65rem rgba(15, 23, 42, 0.04),
            var(--vca-learning-shadow-soft);
    }
}

/* BRIEF 10A.UI2E - category tile CTA color match hotfix */
.vca-app button.vca-app__card .vca-app__card-link,
.vca-app .vca-app__grid button.vca-app__card .vca-app__card-link,
.vca-app .vca-app__card .vca-app__card-link {
    color: #14824a !important;
}

.vca-app button.vca-app__card:hover .vca-app__card-link,
.vca-app button.vca-app__card:focus-visible .vca-app__card-link,
.vca-app .vca-app__grid button.vca-app__card:hover .vca-app__card-link,
.vca-app .vca-app__grid button.vca-app__card:focus-visible .vca-app__card-link,
.vca-app .vca-app__card:hover .vca-app__card-link,
.vca-app .vca-app__card:focus-visible .vca-app__card-link {
    color: #0f6a3c !important;
    text-decoration: underline;
    text-underline-offset: 0.14em;
}

/* BRIEF 10A.UI2I - mobile category overview button spacing hotfix */
@media (max-width: 640px) {
    .vca-app__view[data-vca-view^="category-"] > .vca-app__lesson-box > .vca-app__button:first-of-type {
        border-color: #16a34a;
        background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%);
        color: #ffffff;
        box-shadow: 0 0.65rem 0 0 rgba(20, 83, 45, 0.10), 0 0.95rem 1.5rem rgba(21, 128, 61, 0.30);
    }

    .vca-app__view[data-vca-view^="category-"] > .vca-app__lesson-box > .vca-app__button:first-of-type:hover,
    .vca-app__view[data-vca-view^="category-"] > .vca-app__lesson-box > .vca-app__button:first-of-type:focus-visible {
        border-color: #15803d;
        background: linear-gradient(180deg, #16a34a 0%, #15803d 100%);
        color: #ffffff;
        box-shadow: 0 0.7rem 0 0 rgba(20, 83, 45, 0.12), 0 1.05rem 1.65rem rgba(21, 128, 61, 0.34);
        transform: translateY(-1px);
    }

    .vca-app__view[data-vca-view^="category-"] > .vca-app__lesson-box > .vca-app__button + .vca-app__button,
    .vca-app__view[data-vca-view^="category-"] > .vca-app__lesson-box > .vca-app__button + .vca-app__link-button,
    .vca-app__view[data-vca-view^="category-"] > .vca-app__lesson-box > .vca-app__link-button + .vca-app__link-button {
        margin-top: 0.68rem;
    }
}

/* BRIEF 10A.UI2K - lesson question navigation placement hotfix */
.vca-lesson-step-nav {
    display: grid;
    grid-template-columns: minmax(10rem, 25%) minmax(8rem, 1fr) minmax(10rem, 25%);
    gap: 0.9rem;
    align-items: center;
    margin: 1.15rem 0 1.15rem;
    padding: 1rem;
    border: 1px solid #dbeafe;
    border-radius: 1rem;
    background: rgba(248, 250, 252, 0.92);
}

.vca-lesson-step-nav__button {
    width: 100%;
    min-height: 2.85rem;
    justify-content: center;
    font-weight: 800;
}

.vca-lesson-step-nav__button--next {
    border-color: #16a34a;
    background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%);
    color: #ffffff;
    box-shadow: 0 0.65rem 0 0 rgba(20, 83, 45, 0.10), 0 0.95rem 1.5rem rgba(21, 128, 61, 0.28);
}

.vca-lesson-step-nav__button--next:hover,
.vca-lesson-step-nav__button--next:focus-visible {
    border-color: #15803d;
    background: linear-gradient(180deg, #16a34a 0%, #15803d 100%);
    color: #ffffff;
    box-shadow: 0 0.7rem 0 0 rgba(20, 83, 45, 0.12), 0 1.05rem 1.65rem rgba(21, 128, 61, 0.32);
    transform: translateY(-1px);
}

.vca-lesson-step-nav__status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid #bbf7d0;
    background: #f0fdf4;
    color: #047857;
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
}

@media (max-width: 640px) {
    .vca-lesson-step-nav {
        grid-template-columns: minmax(4.5rem, 0.75fr) minmax(7.15rem, 1fr) minmax(4.5rem, 0.75fr);
        gap: 0.45rem;
        margin: 1rem 0;
        padding: 0.65rem;
    }

    .vca-lesson-step-nav__status {
        grid-column: auto;
        width: auto;
        min-height: 2.15rem;
        padding: 0.25rem 0.42rem;
        font-size: 0.66rem;
        letter-spacing: 0.045em;
        white-space: nowrap;
    }

    .vca-lesson-step-nav__button {
        min-height: 2.25rem;
        padding-left: 0.45rem;
        padding-right: 0.45rem;
        font-size: 0.82rem;
        white-space: nowrap;
    }
}

/* BRIEF 10A.UI2Q - Category quiz bottom navigation inside active quiz only */
.vca-category-quiz__bottom-toolbar {
    margin-top: 1rem;
    margin-bottom: 0;
}

/* BRIEF 10A.UI2R - Category quiz mobile bottom navigation compact hotfix */
@media (max-width: 640px) {
    .vca-category-quiz__bottom-toolbar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.62rem;
        align-items: stretch;
    }

    .vca-category-quiz__bottom-toolbar .vca-app__link-button {
        width: 100%;
        min-height: 2.35rem;
        margin: 0;
        padding: 0.56rem 0.62rem;
        font-size: 0.86rem;
        line-height: 1.05;
        white-space: nowrap;
    }

    .vca-category-quiz__bottom-toolbar .vca-app__link-button:nth-child(n + 3) {
        display: none;
    }
}

/* BRIEF 10A.UI2S - Exam mock top nav removal and bottom nav hotfix */
.vca-exam-mock__bottom-toolbar {
    margin-top: 1rem;
    margin-bottom: 0;
    justify-content: flex-start;
}

.vca-exam-mock__bottom-toolbar .vca-app__link-button {
    min-width: 9.5rem;
}

@media (max-width: 640px) {
    .vca-exam-mock__bottom-toolbar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.62rem;
        align-items: stretch;
    }

    .vca-exam-mock__bottom-toolbar .vca-app__link-button {
        width: 100%;
        min-width: 0;
        min-height: 2.35rem;
        margin: 0;
        padding: 0.56rem 0.62rem;
        font-size: 0.86rem;
        line-height: 1.05;
        white-space: nowrap;
    }
}

/* Brief 11E: Progress history accordion limits. */
.vca-progress__history-wrap {
    display: block;
}
.vca-progress__history--collapsed {
    margin-top: 12px;
}
.vca-progress__history[hidden],
.vca-progress__history--collapsed[hidden] {
    display: none;
}
.vca-progress__more-toggle {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    margin: 14px 0 0;
    padding: 6px 0;
    border: 0;
    background: transparent;
    color: #1d2327;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
}
.vca-progress__more-line {
    flex: 1 1 auto;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    opacity: .25;
}
.vca-progress__more-label {
    flex: 0 0 auto;
}
.vca-progress__more-chevron {
    flex: 0 0 auto;
    font-size: 18px;
    line-height: 1;
    transition: transform .2s ease;
}
.vca-progress__more-toggle[aria-expanded="true"] .vca-progress__more-chevron {
    transform: rotate(180deg);
}
.vca-progress__more-toggle:hover .vca-progress__more-line,
.vca-progress__more-toggle:focus-visible .vca-progress__more-line {
    opacity: .55;
}
.vca-progress__more-toggle:focus-visible {
    outline: 2px solid #2271b1;
    outline-offset: 3px;
}
@media (max-width: 640px) {
    .vca-progress__more-toggle {
        margin-top: 12px;
    }
}
/* Brief 11E.4A: keep single safety-sign displays 150x150 on all screen sizes. */
.vca-app .vca-question-asset__image,
.vca-learning-shell .vca-question-asset__image,
.vca-app .vca-signs-detail__viewer .vca-signs-detail__image,
.vca-learning-shell .vca-signs-detail__viewer .vca-signs-detail__image,
.vca-app .vca-signs-detail__layout .vca-signs-detail__image,
.vca-learning-shell .vca-signs-detail__layout .vca-signs-detail__image {
    width: 150px;
    max-width: min(150px, 100%);
    height: 150px;
    object-fit: contain;
}



/* BRIEF 10A.Q12 - Learning Mode UX Polish v1 */
.vca-app,
.vca-app__view,
.vca-training,
.vca-training-question,
.vca-category-quiz,
.vca-category-quiz__question,
.vca-category-quiz__review,
.vca-exam-mock,
.vca-exam-mock__question {
    max-width: 100%;
    min-width: 0;
    overflow-wrap: anywhere;
}

.vca-app {
    overflow-x: hidden;
}

.vca-training-question {
    display: block;
    margin-top: 1rem;
}

.vca-training-question h4,
.vca-category-quiz__question h4,
.vca-exam-mock__question h4 {
    margin-bottom: 0.85rem;
    text-wrap: pretty;
}

.vca-training-question__instruction {
    margin: 0.65rem 0 1rem;
    padding: 0.72rem 0.85rem;
    border: 1px solid rgba(21, 128, 61, 0.16);
    border-radius: 0.9rem;
    background: rgba(240, 253, 244, 0.68);
    color: #14532d;
}

.vca-training-question__answers {
    clear: both;
}

.vca-training-question__answer {
    min-height: 3rem;
    align-items: center;
    overflow-wrap: anywhere;
    transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.vca-training-question__answer input[type="radio"],
.vca-training-question__answer input[type="checkbox"] {
    width: 1.1rem;
    min-width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.12rem;
}

.vca-training-question__answer--selected {
    border-color: rgba(37, 99, 235, 0.75);
    background: rgba(239, 246, 255, 0.95);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.10);
}

.vca-training-question__validation,
.vca-training-question__result,
.vca-case-study__sub-result,
.vca-case-study__sub-correct,
.vca-case-study__sub-explanation,
.vca-dropdown-gap-question__correct-answer,
.vca-classification-question__correct-group {
    overflow-wrap: anywhere;
}

.vca-training-question__validation {
    margin: 0.85rem 0;
    padding: 0.72rem 0.85rem;
    border: 1px solid rgba(220, 38, 38, 0.25);
    border-radius: 0.85rem;
    background: rgba(254, 242, 242, 0.92);
}

.vca-training-question__result {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid rgba(21, 128, 61, 0.18);
    border-radius: 1rem;
    background: #ffffff;
}

.vca-training-question__feedback {
    margin-top: 0;
    padding: 0.7rem 0.85rem;
    border-radius: 0.85rem;
    background: rgba(248, 250, 252, 0.95);
}

.vca-training-question__feedback--correct {
    background: rgba(240, 253, 244, 0.95);
}

.vca-training-question__feedback--wrong {
    background: rgba(254, 242, 242, 0.95);
}

.vca-training-question__correct {
    padding: 0.72rem 0.85rem;
    border-radius: 0.85rem;
    background: rgba(255, 247, 237, 0.95);
    color: #7c2d12;
}

.vca-app .vca-training-question button[data-vca-check-question],
.vca-category-quiz .vca-app__button,
.vca-category-quiz .vca-app__link-button,
.vca-exam-mock .vca-app__button,
.vca-exam-mock .vca-app__link-button {
    min-height: 2.9rem;
    white-space: normal;
}

.vca-app__button:disabled,
.vca-app__link-button:disabled,
.vca-training-question button:disabled,
.vca-ordering-question__move:disabled {
    opacity: 0.56;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.vca-app .vca-question-asset--image-choice,
.vca-app .vca-question-asset--matching,
.vca-app .vca-question-asset--review {
    text-align: center;
    overflow: hidden;
}

.vca-app .vca-training-question .vca-question-asset--image-choice .vca-question-asset__image,
.vca-app .vca-category-quiz__question .vca-question-asset--image-choice .vca-question-asset__image,
.vca-app .vca-question-asset--matching .vca-question-asset__image,
.vca-app .vca-question-asset--review .vca-question-asset__image {
    width: auto;
    max-width: min(100%, 320px);
    height: auto;
    max-height: 260px;
    object-fit: contain;
}

.vca-question-asset__caption,
.vca-hotspot-question__caption {
    margin: 0.65rem auto 0;
    max-width: 58ch;
    color: #475569;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.45;
    text-align: center;
}

.vca-matching-question__item,
.vca-classification-question__item,
.vca-yes-no-matrix__item,
.vca-ordering-question__item,
.vca-case-study__sub-question,
.vca-scenario-choice__scenario,
.vca-case-study__scenario {
    min-width: 0;
    overflow-wrap: anywhere;
}

.vca-matching-question select,
.vca-classification-question select,
.vca-dropdown-gap-question__select {
    max-width: 100%;
    min-height: 3rem;
    font-size: 1rem;
    text-overflow: ellipsis;
}

.vca-dropdown-gap-question__select {
    white-space: normal;
}

.vca-hotspot-question__frame {
    max-width: 100%;
}

.vca-hotspot-question__image {
    aspect-ratio: attr(width) / attr(height);
}

.vca-case-study__sub-question h5 {
    display: inline-flex;
    margin-bottom: 0.75rem;
    padding: 0.28rem 0.56rem;
    border-radius: 999px;
    background: #f0fdf4;
    color: #047857;
    font-weight: 900;
}

.vca-case-study__sub-result {
    padding: 0.62rem 0.75rem;
    border-radius: 0.8rem;
    background: rgba(248, 250, 252, 0.95);
    font-weight: 800;
}

@media (max-width: 480px) {
    .vca-app,
    .vca-learning-shell {
        width: min(100%, calc(100vw - 0.75rem));
        max-width: calc(100vw - 0.75rem);
    }

    .vca-app__hero,
    .vca-app__view:not(.vca-app__hero),
    .vca-training-question,
    .vca-category-quiz__question,
    .vca-category-quiz__review,
    .vca-category-quiz__mistake,
    .vca-training-question__result {
        padding: 0.85rem;
        border-radius: 1rem;
    }

    .vca-training-question__answer {
        min-height: 3.15rem;
        padding: 0.82rem;
    }

    .vca-app .vca-training-question button[data-vca-check-question],
    .vca-training-question__result .vca-app__actions .vca-app__button,
    .vca-training-question__result .vca-app__actions .vca-app__link-button {
        width: 100%;
    }

    .vca-app .vca-training-question .vca-question-asset--image-choice .vca-question-asset__image,
    .vca-app .vca-category-quiz__question .vca-question-asset--image-choice .vca-question-asset__image,
    .vca-app .vca-question-asset--matching .vca-question-asset__image,
    .vca-app .vca-question-asset--review .vca-question-asset__image {
        max-width: min(100%, 260px);
        max-height: 220px;
    }

    .vca-matching-question__item,
    .vca-classification-question__item,
    .vca-yes-no-matrix__item,
    .vca-ordering-question__item,
    .vca-case-study__scenario,
    .vca-case-study__sub-question,
    .vca-scenario-choice__scenario {
        padding: 0.78rem;
        border-radius: 0.95rem;
    }

    .vca-question-asset__caption,
    .vca-hotspot-question__caption {
        font-size: 0.86rem;
    }
}

@media (min-width: 641px) and (max-width: 900px) {
    .vca-matching-question__item {
        grid-template-columns: minmax(120px, 170px) minmax(0, 1fr);
    }

    .vca-classification-question__item {
        grid-template-columns: minmax(0, 1fr) minmax(170px, 240px);
    }
}


/* Brief 10A.Q14G-H2: lesson image assets for welding / hot work. */
.vca-app__lesson-image {
    margin: 18px 0 20px;
    overflow: hidden;
    border: 1px solid #dcdcde;
    border-radius: 16px;
    background: #ffffff;
}
.vca-app__lesson-image img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.vca-app__lesson-image figcaption {
    margin: 0;
    padding: 10px 14px;
    color: #4b5563;
    font-size: 14px;
    line-height: 1.45;
    background: #f9fafb;
}
@media (max-width: 640px) {
    .vca-app__lesson-image {
        margin-top: 14px;
        border-radius: 14px;
    }
    .vca-app__lesson-image figcaption {
        padding: 9px 12px;
        font-size: 13px;
    }
}


/* BRIEF 10A.Q14G-H2-H2 — keep training question and lesson navigation visible after image lessons. */
.vca-training-jump {
    margin: 18px 0 14px;
    padding: 14px 16px;
    border: 1px solid #cfe3ff;
    border-radius: 16px;
    background: #f7fbff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.vca-training-jump p {
    margin: 0;
    color: #0f172a;
}

.vca-training-jump__button {
    text-decoration: none;
}

.vca-training-jump--empty {
    background: #fff8ed;
    border-color: #fed7aa;
}

@media (max-width: 640px) {
    .vca-training-jump {
        align-items: stretch;
    }

    .vca-training-jump__button {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
}

/* BRIEF 10A.Q14I — Certificate generator MVP. */
.vca-certificate-card {
    margin-top: 22px;
    padding: 18px;
    border: 1px solid rgba(34, 197, 94, .35);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 16px 34px rgba(15, 23, 42, .08);
}
.vca-certificate-card__head {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.vca-certificate-card__icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: #16a34a;
    color: #ffffff;
    font-weight: 900;
    box-shadow: 0 10px 22px rgba(22, 163, 74, .25);
}
.vca-certificate-card h4 {
    margin: 0 0 6px;
    color: #06295b;
}
.vca-certificate-card p {
    margin: 0 0 10px;
    line-height: 1.55;
}
.vca-certificate-card__form {
    display: grid;
    gap: 12px;
    margin-top: 14px;
    max-width: 520px;
}
.vca-certificate-card__form label {
    display: grid;
    gap: 6px;
    font-weight: 800;
    color: #06295b;
}
.vca-certificate-card__form input {
    width: 100%;
    min-height: 44px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 10px 12px;
    font: inherit;
    color: #111827;
    background: #ffffff;
}
.vca-certificate-card__issued {
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .74);
    border: 1px solid rgba(6, 41, 91, .12);
}
.vca-certificate-card__issued p:last-child {
    margin-bottom: 0;
}
.vca-certificate-card__message {
    margin-top: 12px !important;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(22, 163, 74, .12);
    color: #14532d;
    font-weight: 700;
}
.vca-certificate-card__message--error {
    background: rgba(220, 38, 38, .1);
    color: #991b1b;
}
.vca-certificate-card__actions {
    margin-top: 14px;
}

.vca-certificate-card__icon {
    background: #dbeafe;
    color: #1d4ed8;
    box-shadow: 0 10px 22px rgba(59, 130, 246, .14);
}
.vca-certificate-card .vca-app__button,
.vca-certificate-card .vca-learning-button--primary {
    border-color: #bfdbfe;
    background: #dbeafe;
    color: #1e3a8a;
    box-shadow: 0 10px 22px rgba(59, 130, 246, .12);
}
.vca-certificate-card .vca-app__button:hover,
.vca-certificate-card .vca-app__button:focus-visible,
.vca-certificate-card .vca-learning-button--primary:hover,
.vca-certificate-card .vca-learning-button--primary:focus-visible {
    border-color: #93c5fd;
    background: #bfdbfe;
    color: #1e40af;
    box-shadow: 0 12px 24px rgba(59, 130, 246, .16);
}
.vca-certificate-card__disclaimer {
    margin-top: 12px !important;
    color: #475569;
    font-size: .92rem;
}
@media (max-width: 640px) {
    .vca-certificate-card {
        padding: 16px;
    }
    .vca-certificate-card__head {
        gap: 12px;
    }
    .vca-certificate-card__actions {
        align-items: stretch;
    }
    .vca-certificate-card__actions .vca-app__button,
    .vca-certificate-card__actions .vca-app__link-button {
        width: 100%;
        justify-content: center;
    }
}

/* BRIEF 9 — VCA Learning PWA / Installable App Shell v1 */
.vca-pwa-install {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.1rem;
    padding: 1rem 1.05rem;
    border: 1px solid rgba(37, 99, 235, 0.18);
    border-radius: var(--vca-learning-radius);
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    color: #1e3a8a;
}

.vca-pwa-install[hidden] {
    display: none !important;
}

.vca-pwa-install__text {
    display: grid;
    gap: 0.25rem;
    min-width: 0;
}

.vca-pwa-install__text strong {
    color: #0f172a;
    font-weight: 900;
}

.vca-pwa-install__text span {
    color: #334155;
    line-height: 1.5;
}

.vca-pwa-install__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.vca-pwa-install__button {
    white-space: nowrap;
}


@media (max-width: 720px) {
    .vca-pwa-install {
        align-items: stretch;
        flex-direction: column;
    }

    .vca-pwa-install__actions,
    .vca-pwa-install__actions .vca-app__button,
    .vca-pwa-install__actions .vca-app__link-button {
        width: 100%;
    }
}

/* BRIEF 9B - PWA notifications panel. */
.vca-pwa-notifications {
    margin: 0;
    padding: 1rem;
    width: 100%;
    max-width: none;
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: 18px;
    background: rgba(240, 253, 244, 0.9);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
}

.vca-pwa-notifications[hidden] {
    display: none !important;
}

.vca-pwa-notifications__text {
    display: grid;
    gap: 0.25rem;
    text-align: left;
}

.vca-pwa-notifications__text strong {
    color: #14532d;
    font-weight: 800;
}

.vca-pwa-notifications__text span {
    color: #334155;
    line-height: 1.45;
}

.vca-pwa-notifications__actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.vca-pwa-notifications__button {
    white-space: nowrap;
    border-color: rgba(34, 197, 94, 0.28);
    background: #ffffff;
    color: #22c55e;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.vca-pwa-notifications__button:hover,
.vca-pwa-notifications__button:focus-visible {
    border-color: rgba(34, 197, 94, 0.38);
    background: #f8fffb;
    color: #16a34a;
    box-shadow: 0 12px 26px rgba(34, 197, 94, 0.10);
}

@media (max-width: 720px) {
    .vca-pwa-notifications {
        align-items: stretch;
        flex-direction: column;
        text-align: left;
    }

    .vca-pwa-notifications__actions,
    .vca-pwa-notifications__actions .vca-app__button,
    .vca-pwa-notifications__actions .vca-app__link-button {
        width: 100%;
    }
}


/* BRIEF NL-1: language switcher for separate PL/NL course pages */
.vca-language-switcher {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(12, 84, 96, 0.14);
    box-shadow: 0 10px 24px rgba(12, 84, 96, 0.12);
}

.vca-language-switcher__label {
    font-size: 12px;
    font-weight: 800;
    color: #0f5261;
    padding: 0 6px;
    white-space: nowrap;
}

.vca-language-switcher__item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 32px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 900;
    line-height: 1;
    text-decoration: none;
    color: #0f5261;
    background: rgba(232, 249, 247, 0.85);
    border: 1px solid rgba(12, 84, 96, 0.1);
}


/* BRIEF NL-2H2: CSS-rendered language flags prevent delayed emoji/font fallback. */
.vca-language-switcher__flag {
    display: inline-block;
    width: 14px;
    height: 10px;
    margin-right: 4px;
    border-radius: 2px;
    border: 1px solid rgba(7, 57, 67, 0.22);
    box-shadow: 0 1px 2px rgba(7, 57, 67, 0.08);
    flex: 0 0 auto;
}

.vca-language-switcher__flag--pl {
    background: linear-gradient(to bottom, #ffffff 0 50%, #dc143c 50% 100%);
}

.vca-language-switcher__flag--nl {
    background: linear-gradient(to bottom, #ae1c28 0 33.33%, #ffffff 33.33% 66.66%, #21468b 66.66% 100%);
}

.vca-language-switcher__flag--en {
    position: relative;
    background: #ffffff;
}

.vca-language-switcher__flag--en::before,
.vca-language-switcher__flag--en::after {
    content: "";
    position: absolute;
    display: block;
    background: #ce1126;
}

.vca-language-switcher__flag--en::before {
    left: 0;
    right: 0;
    top: 40%;
    height: 20%;
}

.vca-language-switcher__flag--en::after {
    top: 0;
    bottom: 0;
    left: 40%;
    width: 20%;
}

.vca-language-switcher__item:hover,
.vca-language-switcher__item:focus-visible {
    color: #073943;
    background: #ffffff;
    border-color: rgba(12, 84, 96, 0.32);
    outline: none;
}

.vca-language-switcher__item--active {
    color: #ffffff;
    background: #0f7686;
    border-color: #0f7686;
    box-shadow: 0 8px 18px rgba(15, 118, 134, 0.22);
}

.vca-app__notice--language-pilot {
    font-weight: 800;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(15, 118, 134, 0.18);
}

@media (max-width: 720px) {
    .vca-language-switcher {
        position: static;
        align-self: flex-end;
        display: flex;
        width: auto;
        max-width: 100%;
        margin: 0 0 14px auto;
        padding: 5px 6px;
        gap: 5px;
        flex-wrap: nowrap;
        justify-content: flex-end;
        white-space: nowrap;
    }

    .vca-language-switcher__label {
        width: auto;
        max-width: none;
        padding: 0 4px 0 2px;
        text-align: left;
        font-size: 11px;
        line-height: 1;
    }

    .vca-language-switcher__item {
        min-height: 28px;
        padding: 5px 8px;
        font-size: 12px;
        flex: 0 0 auto;
    }

    .vca-language-switcher__flag {
        width: 13px;
        height: 9px;
        margin-right: 3px;
    }
}

/* BRIEF NL-1H3 — Dutch certificate overall remains visible; translated through content/nl/ui.php. */


/* BRIEF NL-8H2 — force visible captions under category 4 lesson sign examples. */
.vca-signs__lesson-examples--with-captions .vca-signs__lesson-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.vca-signs__lesson-card--with-caption {
    justify-content: flex-start;
    align-items: center;
    gap: 12px;
    min-height: 170px;
    padding: 14px 12px;
}
.vca-signs__lesson-image-wrap {
    width: 100%;
    min-height: 84px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.vca-signs__lesson-card--with-caption img {
    display: block;
    margin: 0 auto;
}
.vca-signs__lesson-card--with-caption .vca-signs__lesson-caption {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px solid #dcdcde;
    text-align: center;
}
.vca-signs__lesson-caption-text {
    display: inline-block;
    font-size: 13px;
    line-height: 1.35;
    font-weight: 700;
    color: #111827;
}
@media (max-width: 640px) {
    .vca-signs__lesson-card--with-caption {
        min-height: 0;
    }
}

/* NL-11H1: certificate locked form visibility + NL active status polish */
.vca-certificate-card__form[hidden],
.vca-certificate-card__issued[hidden],
.vca-certificate-card__message[hidden] {
    display: none !important;
}

/* NL-11B-H4 — mobile language switcher one-line alignment.
   Desktop unchanged; mobile keeps label + PL + NL in one compact row. */

/* NL-11B-H2 — language module promo below the certificate card. */
.vca-language-promo {
    display: block;
    width: 100%;
    margin: clamp(1.35rem, 3vw, 2rem) 0 0;
    border-radius: clamp(0.9rem, 2vw, 1.25rem);
    overflow: hidden;
    box-shadow: var(--vca-learning-shadow-soft);
    line-height: 0;
    text-decoration: none;
}

.vca-language-promo img {
    display: block;
    width: 100%;
    height: auto;
    border: 0;
}

.vca-language-promo:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.55);
    outline-offset: 4px;
}

@media (max-width: 640px) {
    .vca-language-promo {
        margin-top: 1rem;
        border-radius: 0.85rem;
    }
}

/* VCA AI lector UX parity hotfix: course-AI style transport, read-along and floating controls. */
.vca-lector {
    margin: 16px 0 24px;
    padding: 18px;
    border: 1px solid rgba(245, 181, 94, 0.38);
    border-radius: 20px;
    background: rgba(255, 252, 246, 0.96);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}
.vca-lector__header { text-align: center; color: #071831; font-weight: 900; }
.vca-lector__controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 9px; margin-top: 14px; }
.vca-lector__action {
    min-height: 40px; padding: 9px 15px; border: 1px solid rgba(126, 88, 48, 0.12); border-radius: 999px;
    background: rgba(255,255,255,.88); color: #1f2937; box-shadow: 0 7px 18px rgba(99,102,241,.09);
    font: inherit; font-size: 14px; font-weight: 850; cursor: pointer;
}
.vca-lector__action--primary { border-color: transparent; background: linear-gradient(135deg,#6678ff 0%,#8b5cf6 100%); color: #fff; }
.vca-lector__action:disabled { opacity: .45; cursor: default; box-shadow: none; }
.vca-lector__volume { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 6px 10px; border: 1px solid #e5e7eb; border-radius: 999px; background:#fff; }
.vca-lector__progress-wrap { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 10px; align-items: center; margin-top: 14px; }
.vca-lector__progress { height: 6px; overflow: hidden; border-radius: 999px; background: rgba(148,163,184,.36); }
.vca-lector__progress > span { display:block; width:0; height:100%; border-radius:inherit; background:#6678ff; transition:width .12s linear; }
.vca-lector__time { display:flex; gap:4px; color:#64748b; font-size:12px; font-weight:700; font-variant-numeric:tabular-nums; }
.vca-lector__status { margin: 9px 0 0; text-align:center; font-weight:800; }
.vca-lector__status:empty { display:none; }

.vca-app__lesson [data-vca-lector-content] > h3,
.vca-app__lesson [data-vca-lector-content] > .vca-app__lead,
.vca-app__lesson .vca-app__lesson-section { transition: background-color .16s ease, box-shadow .16s ease, outline-color .16s ease; }
.vca-app__lesson .vca-lector-fragment--active {
    background: rgba(37,99,235,.055) !important;
    box-shadow: 0 0 0 4px rgba(37,99,235,.055), 0 14px 30px rgba(37,99,235,.06);
    outline: 2px solid rgba(37,99,235,.36);
    outline-offset: 3px;
    border-radius: 16px;
}
.vca-app__lesson [data-vca-lector-content] > h3.vca-lector-fragment--active,
.vca-app__lesson [data-vca-lector-content] > .vca-app__lead.vca-lector-fragment--active { padding: 8px 10px; margin-left:-10px; margin-right:-10px; }
.vca-lector-word { display:inline; margin:0; padding:0; border-radius:.28em; font:inherit; line-height:inherit; box-decoration-break:clone; -webkit-box-decoration-break:clone; transition:background-color .10s ease; }
.vca-lector-word--active { background: rgba(37,99,235,.18); box-shadow:none; }

.vca-lector-floating {
    position: fixed; left:50%; top:calc(max(10px, env(safe-area-inset-top)) + var(--wp-admin--admin-bar--height, 0px)); z-index:99999;
    display:grid; grid-template-columns:auto 1fr; align-items:center; gap:12px; width:min(620px,calc(100vw - 28px)); padding:10px 13px;
    border:1px solid rgba(245,181,94,.34); border-radius:17px; background:rgba(255,252,246,.97); box-shadow:0 16px 40px rgba(15,23,42,.16);
    transform:translate(-50%,-125%); opacity:0; pointer-events:none; transition:transform .18s ease,opacity .18s ease; backdrop-filter:blur(12px);
}
.vca-lector-floating.is-visible { transform:translate(-50%,0); opacity:1; pointer-events:auto; }
.vca-lector-floating__title { color:#071831; font-size:12px; font-weight:900; white-space:nowrap; }
.vca-lector-floating__controls { display:flex; justify-content:center; gap:7px; }
.vca-lector-floating__button { min-height:35px; padding:8px 13px; border:1px solid rgba(126,88,48,.12); border-radius:999px; background:#fff; color:#1f2937; font:inherit; font-size:12px; font-weight:850; cursor:pointer; }
.vca-lector-floating__button.is-primary { border-color:transparent; background:linear-gradient(135deg,#6678ff 0%,#8b5cf6 100%); color:#fff; }

@media (max-width: 640px) {
    .vca-lector { position:static; padding:14px; margin:14px 0 20px; }
    .vca-lector__controls { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; }
    .vca-lector__action { width:100%; min-width:0; padding:8px 9px; font-size:13px; }
    .vca-lector__volume { grid-column:1 / -1; justify-content:center; width:100%; box-sizing:border-box; }
    .vca-lector__volume-range { width:min(190px,60vw); }
    .vca-lector__progress-wrap { grid-template-columns:1fr; gap:5px; }
    .vca-lector__time { justify-content:flex-end; }
    .vca-app__lesson .vca-lector-fragment--active { outline-offset:2px; box-shadow:0 0 0 3px rgba(37,99,235,.05); }
    .vca-lector-floating, .vca-lector-floating.is-visible { width:min(560px,calc(100vw - 18px)); padding:6px 10px; gap:6px; border-radius:14px; }
    .vca-lector-floating__title { font-size:11px; }
    .vca-lector-floating__controls { gap:5px; }
    .vca-lector-floating__button { min-height:32px; padding:6px 10px; font-size:11px; }
}
@media (max-width: 420px) {
    .vca-lector-floating { grid-template-columns:1fr; gap:4px; }
    .vca-lector-floating__title { text-align:center; line-height:1; }
    .vca-lector-floating__controls { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); width:100%; }
    .vca-lector-floating__button { width:100%; padding-left:5px; padding-right:5px; }
}