:root {
    --listening-accent: #ffbf47;
    --listening-accent-strong: #f59e0b;
    --listening-accent-text: #4a3400;
    --listening-border: #d8e2ea;
    --listening-border-strong: #c6d4df;
    --listening-surface: #ffffff;
    --listening-surface-soft: #f8fbfd;
    --listening-surface-warm: #fff9eb;
    --listening-text: #24313d;
    --listening-muted: #5f6b78;
    --listening-success: #48c78e;
    --listening-danger: #f14668;
    --listening-shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.08);
    --listening-image-size: 280px;
    --listening-match-gap: 28px;
    --listening-frame-border: 2px;
    --listening-image-frame-gap: 4px;
    --listening-image-card-size: calc(var(--listening-image-size) + (var(--listening-frame-border) * 2) + (var(--listening-image-frame-gap) * 2));
}

.mode-switcher {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    width: fit-content;
    margin: 0 auto 1.5rem;
}

.mode-switcher button,
.mode-switcher .button {
    padding: 8px 20px;
    border: 2px solid #dee2e6;
    background: #ffffff;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.2s ease;
    color: #3b3b3b;
}

.mode-switcher button.active,
.mode-switcher .button.active {
    background: #00d1b2;
    color: #001f1a;
    border-color: #00d1b2;
}

.listening-shell {
    display: grid;
    gap: 1.25rem;
}

.listening-shell--match {
    gap: 1rem;
}

.listening-match-stage {
    display: grid;
    gap: var(--listening-match-gap);
    align-items: start;
    justify-content: center;
}

.listening-match-stage--audio {
    grid-template-columns: minmax(320px, 360px) minmax(0, 1fr);
}

.listening-match-stage--image {
    grid-template-columns: minmax(320px, 360px) minmax(0, 1fr);
}

.listening-prompt-card,
.listening-story-card,
.listening-question-card,
.listening-explanation,
.listening-transcript {
    background: var(--listening-surface);
    border: 1px solid var(--listening-border);
    border-radius: 20px;
    box-shadow: var(--listening-shadow-soft);
}

.listening-prompt-card,
.listening-story-card,
.listening-question-card {
    padding: 1.4rem;
}

.listening-prompt-card--match {
    border-width: 2px;
    box-shadow: none;
}

.listening-prompt-card--audio,
.listening-prompt-card--image {
    display: grid;
    gap: 1rem;
    align-content: start;
}

.listening-prompt-card--audio.listening-prompt-card--match {
    justify-self: center;
    align-self: center;
    justify-items: center;
    align-content: center;
    width: auto;
    max-width: none;
    margin: 0 auto;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.listening-kicker {
    margin: 0 0 0.55rem 0;
    color: var(--listening-muted);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.listening-question-title,
.listening-question-text {
    margin: 0;
    color: var(--listening-text);
    line-height: 1.25;
}

.listening-question-title {
    font-size: clamp(1.35rem, 2vw, 1.9rem);
}

.listening-question-text {
    font-size: clamp(1.3rem, 2.3vw, 1.75rem);
    font-weight: 800;
}

.listening-prompt-copy {
    margin-bottom: 1rem;
}

.listening-prompt-card--match .listening-prompt-copy {
    margin-bottom: 0;
}

.listening-option-grid {
    display: grid;
    gap: 1rem;
}

.listening-option-grid--image {
    grid-template-columns: repeat(2, minmax(280px, var(--listening-image-card-size)));
    gap: var(--listening-match-gap);
    justify-content: center;
}

.listening-option-grid--audio {
    grid-template-columns: repeat(2, minmax(180px, 280px));
    gap: 1rem;
    justify-content: start;
}

.listening-choice-stack {
    grid-template-columns: 1fr;
}

.listening-option-card,
.listening-audio-choice,
.listening-choice-button,
.listening-boolean-button {
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.listening-option-card {
    display: grid;
    gap: 0.8rem;
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--listening-border);
    border-radius: 18px;
    background: var(--listening-surface-soft);
    box-shadow: none;
    cursor: pointer;
    color: var(--listening-text);
}

.listening-option-card--image {
    padding: var(--listening-image-frame-gap);
    overflow: hidden;
    max-width: var(--listening-image-card-size);
    justify-self: center;
    background: #ffffff;
}

.listening-image-box,
.listening-prompt-figure,
.listening-story-figure,
.listening-static-figure {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    border-radius: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f5f9fc 100%);
    border: 1px solid rgba(198, 212, 223, 0.75);
    overflow: hidden;
}

.listening-image-box--match,
.listening-prompt-figure--match {
    width: min(100%, var(--listening-image-size));
    min-height: 0;
    aspect-ratio: 1 / 1;
    border: 0;
    background: transparent;
}

.listening-image-box--match {
    justify-self: center;
}

.listening-prompt-figure--match {
    margin: 0 auto;
}

.listening-image-box img,
.listening-prompt-figure img,
.listening-story-figure img,
.listening-static-figure img {
    width: min(100%, 280px);
    height: auto;
    max-width: 100%;
    object-fit: contain;
}

.listening-image-box--match img,
.listening-prompt-figure--match img {
    width: 100%;
    height: 100%;
    max-width: none;
    display: block;
}

.listening-image-fallback {
    display: grid;
    gap: 0.45rem;
    justify-items: center;
    padding: 1.25rem;
    text-align: center;
    color: var(--listening-muted);
}

.listening-image-fallback strong {
    color: var(--listening-text);
    font-size: 1rem;
}

.listening-audio-choice {
    display: grid;
    gap: 0.85rem;
    padding: 1rem;
    border: 2px solid var(--listening-border);
    border-radius: 18px;
    background: var(--listening-surface-soft);
    justify-items: center;
}

.listening-audio-choice__play,
.listening-audio-choice__select {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 3rem;
}

.listening-audio-choice__select {
    width: 100%;
}

.listening-play-button.button.is-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.58rem;
    min-width: 9.2rem;
    min-height: 4.4rem;
    padding: 0.85rem 1.5rem;
    border: 2px solid var(--listening-border-strong);
    border-radius: 999px;
    background: #ffffff;
    color: #111827;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.1);
    font-size: 1.08rem;
    font-weight: 800;
    line-height: 1;
}

.listening-play-button__icon {
    font-size: 1.2rem;
    line-height: 1;
}

.listening-play-button__label {
    white-space: nowrap;
}

.listening-play-button:focus-visible {
    outline: 3px solid rgba(148, 163, 184, 0.45);
    outline-offset: 2px;
}

.listening-audio-choice__select,
.listening-choice-button,
.listening-boolean-button {
    min-height: 3.4rem;
    font-weight: 800;
    border-radius: 14px;
}

.listening-choice-stack {
    display: grid;
    gap: 0.8rem;
    margin-top: 1rem;
}

.listening-choice-button {
    justify-content: flex-start;
    white-space: normal;
    height: auto;
    padding: 0.95rem 1rem;
    text-align: left;
}

.listening-boolean-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.listening-boolean-button {
    min-height: 4.2rem;
    font-size: 1.15rem;
}

.listening-feedback {
    min-height: 1.5rem;
    margin: 0;
    text-align: center;
    font-weight: 800;
    color: var(--listening-text);
}

.listening-feedback.is-success {
    color: #20885d;
}

.listening-feedback.is-error {
    color: #c13452;
}

.listening-option-card.is-correct,
.listening-audio-choice.is-correct,
.listening-choice-button.is-correct,
.listening-boolean-button.is-correct {
    border-color: var(--listening-success) !important;
    background: #f6fdf9 !important;
    box-shadow: 0 0 0 4px rgba(72, 199, 142, 0.12);
}

.listening-option-card.is-wrong,
.listening-audio-choice.is-wrong,
.listening-choice-button.is-wrong,
.listening-boolean-button.is-wrong {
    border-color: var(--listening-danger) !important;
    background: #fff5f7 !important;
    animation: listening-shake 0.35s ease;
}

@media (hover: hover) and (pointer: fine) {
    .listening-option-card:hover,
    .listening-audio-choice__select:hover,
    .listening-choice-button:hover,
    .listening-boolean-button:hover {
        transform: translateY(-2px);
        border-color: var(--listening-accent-strong);
        box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
    }

    .listening-option-card--image:hover {
        border-color: var(--listening-success);
    }

    .listening-play-button.button.is-primary:hover {
        border-color: #aebdca;
        background: #f8fbfd;
        color: #111827;
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(15, 23, 42, 0.14);
    }
}

.listening-story-grid {
    display: grid;
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
}

.listening-story-grid--single {
    grid-template-columns: 1fr;
}

.listening-audio-panel {
    display: grid;
    gap: 0.8rem;
    align-self: stretch;
}

.songs-player {
    display: none;
    --songs-player-accent: var(--listening-accent);
    --songs-player-accent-strong: var(--listening-accent-strong);
    --songs-player-accent-text: var(--listening-accent-text);
    --songs-player-surface: #f6f9fc;
    --songs-player-border: var(--listening-border);
}

.songs-player.is-ready {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.75rem;
    align-items: center;
    padding: 0.7rem;
    border-radius: 14px;
    border: 1px solid var(--songs-player-border);
    background: var(--songs-player-surface);
}

.songs-player .button.is-primary {
    background: var(--songs-player-accent);
    border-color: var(--songs-player-accent);
    color: var(--songs-player-accent-text);
    box-shadow: 0 10px 22px rgba(255, 190, 11, 0.28);
}

.songs-player .button.is-primary:hover {
    background: var(--songs-player-accent-strong);
    border-color: var(--songs-player-accent-strong);
}

.songs-audio.is-customized {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    opacity: 0;
    pointer-events: none;
}

.songs-player__play {
    min-width: 3.1rem;
    min-height: 3.1rem;
    padding: 0;
    border-radius: 999px;
    font-size: 1.15rem;
}

.songs-player__main {
    display: grid;
    gap: 0.35rem;
}

.songs-player__time {
    display: flex;
    gap: 0.35rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--listening-text);
    line-height: 1;
}

.songs-player__seek {
    width: 100%;
    margin: 0;
    accent-color: var(--songs-player-accent);
    height: 1.7rem;
}

.listening-speech-fallback {
    width: fit-content;
}

.listening-audio-hint {
    margin: 0;
    color: var(--listening-muted);
    font-size: 0.92rem;
}

.listening-explanation,
.listening-transcript {
    margin-top: 1.4rem;
    padding: 1.5rem;
}

.listening-explanation h2,
.listening-transcript h2 {
    margin-top: 0;
    margin-bottom: 0.85rem;
    color: var(--listening-text);
}

.listening-transcript {
    padding: 0;
    overflow: hidden;
}

.listening-transcript-disclosure {
    display: block;
}

.listening-transcript-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem;
    cursor: pointer;
    list-style: none;
}

.listening-transcript-summary::-webkit-details-marker {
    display: none;
}

.listening-transcript-summary::after {
    content: '\25BE';
    flex: 0 0 auto;
    color: var(--listening-muted);
    font-size: 1rem;
    line-height: 1;
    transition: transform 0.18s ease, color 0.18s ease;
}

.listening-transcript-disclosure[open] > .listening-transcript-summary::after {
    transform: rotate(180deg);
    color: var(--listening-text);
}

.listening-transcript-title {
    margin: 0;
}

.listening-transcript-disclosure[open] > .listening-transcript-summary {
    padding-bottom: 1rem;
}

.listening-transcript-copy {
    padding: 0 1.5rem 1.5rem;
}

.listening-transcript-disclosure[open] > .listening-transcript-copy {
    border-top: 1px solid var(--listening-border);
    padding-top: 1rem;
}

.listening-transcript-copy p:last-child,
.listening-explanation p:last-child {
    margin-bottom: 0;
}

.listening-question-card--empty {
    text-align: center;
}

.listening-empty-copy {
    margin: 0.8rem auto 0;
    max-width: 42rem;
    color: var(--listening-muted);
}

.button.is-success.button-disabled,
.button.is-light.button-disabled {
    opacity: 0.55;
    pointer-events: none;
}

.final-screen {
    text-align: center;
    padding: 3rem 2rem;
    animation: listening-fade-in 0.4s ease-out;
}

.final-screen h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--listening-text);
    font-weight: 800;
}

.final-screen .buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 10px;
}

.final-actions a.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: 600;
    line-height: 1.2;
    min-height: 48px;
    white-space: nowrap;
    box-sizing: border-box;
    max-width: 100%;
}

.congrats-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    animation: listening-bounce 1s ease-in-out infinite;
}

.result-stats-box {
    background: #faf9f6;
    border: 2px solid var(--listening-success);
    border-radius: 15px;
    padding: 1.8rem 1.25rem;
    margin: 1.5rem auto;
    max-width: 28rem;
    text-align: center;
}

.final-stat {
    margin: 1rem 0;
    font-size: 1.1rem;
}

.final-stat strong {
    color: var(--listening-text);
}

.final-cat-icons {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: 0.35rem;
}

.final-cat-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.listening-result-note {
    margin: 0.5rem auto 0;
    max-width: 28rem;
    color: var(--listening-muted);
}

@keyframes listening-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

@keyframes listening-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes listening-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (max-width: 960px) {
    .listening-story-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1120px) {
    .listening-match-stage--audio,
    .listening-match-stage--image {
        grid-template-columns: 1fr;
    }

    .listening-prompt-card--audio,
    .listening-prompt-card--image {
        width: 100%;
        max-width: calc(var(--listening-image-size) + 40px);
        margin-left: auto;
        margin-right: auto;
    }

    .listening-option-grid--audio,
    .listening-option-grid--image {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .listening-option-grid--image,
    .listening-option-grid--audio {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.75rem;
    }

    .listening-choice-stack,
    .listening-boolean-grid {
        grid-template-columns: 1fr;
    }

    .songs-player.is-ready {
        gap: 0.65rem;
        padding: 0.6rem;
    }

    .songs-player__play {
        min-width: 3.6rem;
        min-height: 3.6rem;
        font-size: 1.35rem;
    }

    .songs-player__time {
        font-size: 1rem;
    }

    .songs-player__seek {
        height: 2rem;
    }

    .listening-question-card,
    .listening-prompt-card,
    .listening-story-card {
        padding: 1.1rem;
    }

    .listening-audio-choice {
        gap: 0.6rem;
        padding: 0.75rem;
    }

    .listening-play-button.button.is-primary {
        min-width: 8.4rem;
        min-height: 3.9rem;
        padding: 0.72rem 1.2rem;
        font-size: 1rem;
    }

    .listening-play-button__icon {
        font-size: 1.05rem;
    }

    .listening-audio-choice__select {
        min-height: 2.7rem;
        padding: 0.65rem 0.5rem;
        font-size: 0.92rem;
    }
}

@media (max-width: 520px) {
    .listening-prompt-card,
    .listening-story-card,
    .listening-question-card,
    .listening-explanation,
    .listening-transcript {
        border-radius: 16px;
    }

    .final-screen {
        padding: 2.25rem 1rem;
    }

    .final-screen h2 {
        font-size: 2rem;
    }

    .final-screen .buttons {
        flex-direction: column;
        align-items: center;
    }

    .final-actions a.button {
        width: min(100%, 320px);
        margin-left: auto;
        margin-right: auto;
    }
}