/* Academy page and quiz presentation.
 * Loaded only for page-academy.php.
 */

.academy-page {
    min-height: 100%;
    padding-block: clamp(3rem, 6vw, 4.75rem);
    background:
        radial-gradient(circle at 50% 0, rgba(2, 132, 199, 0.07), transparent 34rem),
        #f1f5f8;
}

.academy-hero {
    max-width: 52rem;
    margin: 0 auto clamp(2rem, 4vw, 3rem);
    text-align: center;
}

.academy-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: #0284c7;
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.19em;
    text-transform: uppercase;
}

.academy-hero__eyebrow::before,
.academy-hero__eyebrow::after {
    width: 2rem;
    height: 1px;
    content: "";
    background: currentColor;
    opacity: 0.55;
}

.academy-hero__title {
    margin: 0 0 1rem;
    color: #0f172a;
    font-family: var(--font-serif, Georgia, serif);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 700;
    line-height: 1.05;
    text-wrap: balance;
}

.academy-description {
    max-width: 44rem;
    margin-inline: auto;
    color: #475569;
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    line-height: 1.8;
}

.academy-description > :first-child {
    margin-top: 0;
}

.academy-description > :last-child {
    margin-bottom: 0;
}

.academy-description p + p {
    margin-top: 0.8rem;
}

.academy-description__disclaimer {
    color: #64748b;
    font-size: 0.875rem;
}

.academy-quiz-root {
    width: 100%;
    min-height: 28rem;
}

.academy-quiz-root [hidden] {
    display: none !important;
}

.academy-quiz-card,
.academy-skeleton,
.academy-state {
    width: 100%;
    margin-inline: auto;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: rgba(255, 255, 255, 0.98);
    box-shadow:
        0 22px 60px rgba(15, 23, 42, 0.08),
        0 2px 10px rgba(15, 23, 42, 0.04);
}

.academy-quiz-card {
    max-width: 47rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    border-radius: 1.75rem;
    animation: academy-fade-in 220ms ease-out both;
}

.academy-quiz-card--visual {
    max-width: 69rem;
}

.academy-quiz-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.15rem;
}

.academy-quiz-meta__eyebrow,
.academy-quiz-meta__type {
    display: inline-flex;
    align-items: center;
    min-height: 1.75rem;
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    line-height: 1;
    text-transform: uppercase;
}

.academy-quiz-meta__eyebrow {
    padding: 0.45rem 0.7rem;
    background: #f1f5f9;
    color: #64748b;
}

.academy-quiz-meta__type {
    padding: 0.45rem 0.7rem;
    border: 1px solid rgba(2, 132, 199, 0.16);
    background: rgba(2, 132, 199, 0.06);
    color: #0369a1;
}

.academy-quiz-body--visual {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: center;
}

.academy-question-media-column {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.academy-media-context {
    margin: 0;
    padding: 0.95rem 1rem;
    border-left: 3px solid rgba(2, 132, 199, 0.55);
    border-radius: 0.8rem;
    background: rgba(2, 132, 199, 0.045);
}

.academy-media-context__label {
    display: block;
    margin-bottom: 0.35rem;
    color: #0369a1;
    font-size: 0.66rem;
    font-weight: 850;
    letter-spacing: 0.09em;
    line-height: 1.3;
    text-transform: uppercase;
}

.academy-media-context__text {
    margin: 0;
    color: #475569;
    font-size: 0.87rem;
    line-height: 1.58;
}

.academy-question-media {
    position: relative;
    overflow: hidden;
    margin: 0;
    border: 1px solid #dbe5ef;
    border-radius: 1.35rem;
    background: #f8fafc;
}

.academy-question-media-multi,
.academy-question-slider {
    min-width: 0;
    margin: 0;
}

.academy-question-media-multi--compare {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.academy-question-media-panel,
.academy-question-slider__slide {
    overflow: hidden;
    margin: 0;
    border: 1px solid #dbe5ef;
    border-radius: 1.15rem;
    background: #f8fafc;
}

.academy-question-media img,
.academy-question-media-panel img,
.academy-question-slider__slide img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 34rem;
    object-fit: contain;
    background: #f8fafc;
}

.academy-question-slider {
    position: relative;
}

.academy-question-slider__viewport {
    overflow: hidden;
    border-radius: 1.35rem;
    background: #f8fafc;
}

.academy-question-slider__slide {
    border-radius: 1.35rem;
}

.academy-question-slider__arrow {
    position: absolute;
    top: 50%;
    z-index: 2;
    display: inline-grid;
    width: 2.45rem;
    height: 2.45rem;
    padding: 0;
    place-items: center;
    transform: translateY(-50%);
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    color: #0f172a;
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.12);
    cursor: pointer;
    transition:
        background-color 160ms ease,
        border-color 160ms ease,
        transform 160ms ease;
}

.academy-question-slider__arrow:hover {
    border-color: rgba(2, 132, 199, 0.38);
    background: #fff;
}

.academy-question-slider__arrow:focus-visible,
.academy-question-slider__dot:focus-visible {
    outline: 3px solid rgba(2, 132, 199, 0.35);
    outline-offset: 2px;
}

.academy-question-slider__arrow span {
    display: block;
    margin-top: -0.12rem;
    font-size: 1.8rem;
    font-weight: 500;
    line-height: 1;
}

.academy-question-slider__arrow--previous {
    left: 0.7rem;
}

.academy-question-slider__arrow--next {
    right: 0.7rem;
}

.academy-question-slider__dots {
    position: absolute;
    left: 50%;
    bottom: 0.75rem;
    z-index: 2;
    display: flex;
    gap: 0.45rem;
    padding: 0.35rem 0.5rem;
    transform: translateX(-50%);
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(5px);
}

.academy-question-slider__dot {
    width: 0.55rem;
    height: 0.55rem;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.55);
    cursor: pointer;
}

.academy-question-slider__dot[aria-current="true"] {
    background: #fff;
}

.academy-question-panel {
    min-width: 0;
}

.academy-question-title {
    margin: 0 0 1.35rem;
    color: #0f172a;
    font-family: var(--font-serif, Georgia, serif);
    font-size: clamp(1.45rem, 2.3vw, 1.95rem);
    font-weight: 700;
    line-height: 1.24;
    text-wrap: balance;
}

.academy-answers {
    min-width: 0;
    margin: 0 0 1.25rem;
    padding: 0;
    border: 0;
}

.academy-answers__legend {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.academy-answer {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    min-height: 3.65rem;
    margin-bottom: 0.7rem;
    padding: 0.75rem 0.9rem;
    border: 1px solid #dfe7ef;
    border-radius: 1rem;
    background: #fff;
    cursor: pointer;
    transition:
        border-color 160ms ease,
        background-color 160ms ease,
        box-shadow 160ms ease,
        transform 160ms ease,
        opacity 160ms ease;
}

.academy-answer:last-child {
    margin-bottom: 0;
}

.academy-answer:hover {
    border-color: #a9d8ef;
    background: #fbfdff;
    transform: translateY(-1px);
}

.academy-answer__input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.academy-answer__marker {
    display: inline-grid;
    width: 2.25rem;
    height: 2.25rem;
    flex: 0 0 2.25rem;
    place-items: center;
    border-radius: 999px;
    background: #f1f5f9;
    color: #64748b;
    font-size: 0.8rem;
    font-weight: 800;
    transition:
        background-color 160ms ease,
        color 160ms ease,
        box-shadow 160ms ease;
}

.academy-answer__marker svg {
    width: 1.05rem;
    height: 1.05rem;
}

.academy-answer__text {
    min-width: 0;
    color: #334155;
    font-size: 0.925rem;
    font-weight: 600;
    line-height: 1.55;
}

.academy-answer__input:focus-visible + .academy-answer__marker {
    box-shadow:
        0 0 0 3px #fff,
        0 0 0 6px rgba(2, 132, 199, 0.35);
}

.academy-answer.is-selected {
    border-color: #0284c7;
    background: rgba(2, 132, 199, 0.055);
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.08);
}

.academy-answer.is-selected .academy-answer__marker {
    background: #0284c7;
    color: #fff;
}

.academy-answer.is-correct {
    border-color: #86efac;
    background: #f0fdf4;
}

.academy-answer.is-correct .academy-answer__marker {
    background: #16a34a;
    color: #fff;
}

.academy-answer.is-correct .academy-answer__text {
    color: #166534;
    font-weight: 750;
}

.academy-answer.is-wrong {
    border-color: #fecaca;
    background: #fff7f7;
}

.academy-answer.is-wrong .academy-answer__marker {
    background: #dc2626;
    color: #fff;
}

.academy-answer.is-wrong .academy-answer__text {
    color: #991b1b;
    font-weight: 700;
}

.academy-answer.is-disabled {
    opacity: 0.55;
    cursor: default;
    transform: none;
}

.academy-feedback {
    margin-bottom: 1rem;
    padding: 1rem 1.05rem;
    border: 1px solid;
    border-radius: 1rem;
}

.academy-feedback.is-correct {
    border-color: #bbf7d0;
    background: #f0fdf4;
}

.academy-feedback.is-wrong {
    border-color: #fecdd3;
    background: #fff1f2;
}

.academy-feedback__header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.65rem;
}

.academy-feedback__icon {
    display: inline-grid;
    width: 2rem;
    height: 2rem;
    flex: 0 0 2rem;
    place-items: center;
    border-radius: 0.65rem;
    color: #fff;
}

.academy-feedback.is-correct .academy-feedback__icon {
    background: #16a34a;
}

.academy-feedback.is-wrong .academy-feedback__icon {
    background: #be123c;
}

.academy-feedback__icon svg {
    width: 1.1rem;
    height: 1.1rem;
}

.academy-feedback__status {
    margin: 0;
    color: #0f172a;
    font-size: 0.75rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    line-height: 1.3;
    text-transform: uppercase;
}

.academy-feedback__kicker {
    display: block;
    margin-top: 0.12rem;
    color: #64748b;
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.02em;
}

.academy-feedback__explanation {
    margin: 0;
    color: #334155;
    font-size: 0.9rem;
    line-height: 1.7;
}

.academy-error {
    margin-bottom: 1rem;
    padding: 0.8rem 0.95rem;
    border: 1px solid #fecdd3;
    border-radius: 0.85rem;
    background: #fff1f2;
    color: #9f1239;
    font-size: 0.84rem;
    font-weight: 750;
    line-height: 1.5;
    text-align: center;
}

.academy-actions {
    display: flex;
    gap: 0.75rem;
}

.academy-button {
    appearance: none;
    width: 100%;
    min-height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.78rem 1.25rem;
    border: 1px solid transparent;
    border-radius: 0.8rem;
    font: inherit;
    font-size: 0.86rem;
    font-weight: 800;
    line-height: 1.2;
    cursor: pointer;
    transition:
        background-color 160ms ease,
        border-color 160ms ease,
        box-shadow 160ms ease,
        transform 160ms ease;
}

.academy-button:hover {
    transform: translateY(-1px);
}

.academy-button:active {
    transform: translateY(0);
}

.academy-button:focus-visible {
    outline: 3px solid rgba(2, 132, 199, 0.35);
    outline-offset: 3px;
}

.academy-button--primary {
    background: #0369a1;
    color: #fff;
    box-shadow: 0 8px 22px rgba(3, 105, 161, 0.18);
}

.academy-button--primary:hover {
    background: #075985;
}

.academy-button--secondary {
    background: #0f172a;
    color: #fff;
}

.academy-button--secondary:hover {
    background: #020617;
}

.academy-button svg {
    width: 1rem;
    height: 1rem;
}

.academy-state {
    max-width: 47rem;
    padding: 2rem;
    border-radius: 1.5rem;
    color: #64748b;
    font-size: 0.925rem;
    font-weight: 650;
    line-height: 1.6;
    text-align: center;
}

.academy-state--error {
    border-color: #fecdd3;
    background: #fff7f8;
    color: #9f1239;
}

.academy-skeleton {
    max-width: 61rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    border-radius: 1.75rem;
}

.academy-skeleton__meta,
.academy-skeleton__line,
.academy-skeleton__media,
.academy-skeleton__option,
.academy-skeleton__button {
    position: relative;
    overflow: hidden;
    background: #e8eef4;
}

.academy-skeleton__meta::after,
.academy-skeleton__line::after,
.academy-skeleton__media::after,
.academy-skeleton__option::after,
.academy-skeleton__button::after {
    position: absolute;
    inset: 0;
    content: "";
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.72),
        transparent
    );
    transform: translateX(-100%);
    animation: academy-skeleton-shimmer 1.25s infinite;
}

.academy-skeleton__meta {
    width: 8rem;
    height: 1.6rem;
    margin-bottom: 1rem;
    border-radius: 999px;
}

.academy-skeleton__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 2rem;
}

.academy-skeleton__media {
    min-height: 19rem;
    border-radius: 1.2rem;
}

.academy-skeleton__line {
    height: 1.35rem;
    margin-bottom: 0.65rem;
    border-radius: 0.5rem;
}

.academy-skeleton__line--short {
    width: 72%;
    margin-bottom: 1.25rem;
}

.academy-skeleton__option {
    height: 3.65rem;
    margin-bottom: 0.7rem;
    border-radius: 1rem;
}

.academy-skeleton__button {
    height: 3rem;
    margin-top: 1rem;
    border-radius: 0.8rem;
}

.academy-noscript {
    max-width: 47rem;
    margin: 1.5rem auto 0;
    padding: 1rem 1.25rem;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    background: #fff;
    color: #64748b;
    font-size: 0.875rem;
    line-height: 1.6;
    text-align: center;
}

@keyframes academy-fade-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes academy-shake {
    0%,
    100% {
        transform: translateX(0);
    }

    30% {
        transform: translateX(-4px);
    }

    70% {
        transform: translateX(4px);
    }
}

@keyframes academy-skeleton-shimmer {
    to {
        transform: translateX(100%);
    }
}

.academy-error.is-shaking,
.academy-feedback.is-shaking {
    animation: academy-shake 180ms ease-in-out 2;
}

@media (min-width: 881px) {
    .academy-page {
        padding-block: clamp(2.25rem, 4vw, 3.5rem);
    }

    .academy-hero {
        margin-bottom: clamp(1.5rem, 2.5vw, 2.1rem);
    }

    .academy-hero__eyebrow {
        margin-bottom: 0.7rem;
    }

    .academy-hero__title {
        margin-bottom: 0.75rem;
        font-size: clamp(2.15rem, 4vw, 3.25rem);
        line-height: 1.02;
    }

    .academy-description {
        font-size: 0.95rem;
        line-height: 1.65;
    }

    .academy-quiz-card {
        padding: 1.5rem;
    }

    .academy-quiz-meta {
        margin-bottom: 0.85rem;
    }

    .academy-question-title {
        margin-bottom: 1rem;
        font-size: clamp(1.35rem, 1.9vw, 1.72rem);
        line-height: 1.2;
    }

    .academy-answers {
        margin-bottom: 0.9rem;
    }

    .academy-answer {
        min-height: 3.25rem;
        margin-bottom: 0.55rem;
        padding: 0.6rem 0.8rem;
    }

    .academy-answer__marker {
        width: 2.05rem;
        height: 2.05rem;
        flex-basis: 2.05rem;
    }

    .academy-answer__text {
        font-size: 0.9rem;
        line-height: 1.45;
    }

    .academy-button {
        min-height: 2.75rem;
        padding-block: 0.66rem;
    }
}

@media (max-width: 880px) {
    .academy-quiz-body--visual,
    .academy-skeleton__grid {
        grid-template-columns: 1fr;
    }

    .academy-question-media-multi--compare {
        grid-template-columns: 1fr;
    }

    .academy-question-media img,
    .academy-question-media-panel img,
    .academy-question-slider__slide img {
        max-height: 30rem;
    }
}

@media (max-width: 640px) {
    .academy-page {
        padding-block: 2.5rem 3rem;
    }

    .academy-hero {
        margin-bottom: 1.75rem;
    }

    .academy-hero__eyebrow {
        letter-spacing: 0.14em;
    }

    .academy-hero__title {
        font-size: clamp(2.05rem, 10vw, 2.85rem);
    }

    .academy-quiz-root {
        min-height: 25rem;
    }

    .academy-quiz-card,
    .academy-skeleton {
        padding: 1rem;
        border-radius: 1.25rem;
    }

    .academy-quiz-meta {
        align-items: flex-start;
        margin-bottom: 0.95rem;
    }

    .academy-quiz-meta__eyebrow,
    .academy-quiz-meta__type {
        font-size: 0.625rem;
        letter-spacing: 0.07em;
    }

    .academy-question-media-column {
        gap: 0.8rem;
    }

    .academy-media-context {
        padding: 0.8rem 0.85rem;
    }

    .academy-media-context__text {
        font-size: 0.84rem;
    }

    .academy-question-media,
    .academy-question-media-panel,
    .academy-question-slider__viewport,
    .academy-question-slider__slide {
        border-radius: 1rem;
    }

    .academy-question-slider__arrow {
        width: 2.15rem;
        height: 2.15rem;
    }

    .academy-question-slider__arrow--previous {
        left: 0.5rem;
    }

    .academy-question-slider__arrow--next {
        right: 0.5rem;
    }

    .academy-question-title {
        margin-bottom: 1.1rem;
        font-size: clamp(1.35rem, 6.5vw, 1.65rem);
    }

    .academy-answer {
        min-height: 3.45rem;
        gap: 0.75rem;
        padding: 0.68rem 0.75rem;
        border-radius: 0.9rem;
    }

    .academy-answer__marker {
        width: 2.1rem;
        height: 2.1rem;
        flex-basis: 2.1rem;
    }

    .academy-answer__text {
        font-size: 0.875rem;
    }

    .academy-actions {
        flex-direction: column;
    }

    .academy-feedback__header {
        align-items: flex-start;
    }

    .academy-skeleton__media {
        min-height: 13rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .academy-quiz-card,
    .academy-answer,
    .academy-button,
    .academy-error.is-shaking,
    .academy-feedback.is-shaking,
    .academy-skeleton__meta::after,
    .academy-skeleton__line::after,
    .academy-skeleton__media::after,
    .academy-skeleton__option::after,
    .academy-skeleton__button::after {
        animation: none !important;
        transition: none !important;
    }
}