.missions-zone {
    display: grid;
    gap: 1.25rem;
}

.missions-zone__title {
    margin: 0;
}

.missions-zone__intro {
    margin: 0;
    text-align: start;
}

.mission-player {
    display: grid;
    gap: 1rem;
    border: 1px solid var(--cluster-border);
    border-radius: var(--cluster-radius);
    padding-block: 1rem;
    padding-inline: 1rem;
    background: #ffffff;
}

.mission-player__header {
    display: grid;
    gap: 0.25rem;
}

.mission-player__eyebrow {
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #57606a;
    text-align: start;
}

.mission-player__number {
    font-weight: 600;
}

.mission-player__title {
    margin: 0;
    font-size: 1.5rem;
    text-align: start;
}

.mission-player__description {
    margin: 0;
    text-align: start;
}

.mission-player__progress {
    display: grid;
    gap: 0.375rem;
}

.mission-player__progress-label,
.mission-player__step-indicator {
    margin: 0;
    text-align: start;
    font-size: 0.9375rem;
}

.mission-player__progress-track {
    block-size: 0.5rem;
    border-radius: 999px;
    background: #eaeef2;
    overflow: hidden;
}

.mission-player__progress-fill {
    block-size: 100%;
    background: var(--shell-link);
    inline-size: 0%;
    border-end-end-radius: 999px;
    border-start-end-radius: 999px;
}

.mission-player__body {
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 1024px) {
    .mission-player__body {
        grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    }
}

.mission-player__reader,
.mission-player__letters {
    border: 1px solid var(--cluster-border);
    border-radius: var(--cluster-radius);
    min-inline-size: 0;
    padding-block: 1rem;
    padding-inline: 1rem;
    background: #f6f8fa;
    text-align: start;
}

.mission-player__reader-heading,
.mission-player__letters-heading {
    margin-block-start: 0;
    margin-block-end: 0.5rem;
    font-size: 1.125rem;
    text-align: start;
}

.mission-player__reader-body,
.mission-player__letters-empty {
    margin: 0;
    text-align: start;
}

.mission-player__letters-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    margin-block: 0.5rem 0;
    margin-inline: 0;
    padding: 0;
}

.mission-player__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mission-player__nav-button {
    min-block-size: 2.75rem;
    min-inline-size: 2.75rem;
    padding-block: 0.5rem;
    padding-inline: 1rem;
    border: 1px solid var(--cluster-border);
    border-radius: var(--cluster-radius);
    background: #ffffff;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.mission-player__nav-button[disabled] {
    cursor: not-allowed;
    opacity: 0.6;
}

.mission-player__nav-button:focus-visible {
    outline: 3px solid #1f6feb;
    outline-offset: 2px;
}

.mission-player__status {
    min-block-size: 1.25rem;
    text-align: start;
    overflow-wrap: anywhere;
}

.mission-reader__body-paragraph,
.mission-reader__reading-list-heading,
.mission-exercise__prompt-text,
.mission-exercise__prompt,
.mission-exercise__options {
    margin-block: 0 0.75rem;
    margin-inline: 0;
    text-align: start;
}

.mission-reader__instruction-audio,
.mission-reader__reading-list-items,
.mission-exercise__options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mission-reader__instruction-audio-button,
.mission-reader__play,
.mission-exercise__play,
.mission-exercise__option {
    font: inherit;
}

.mission-reader__reading-list-items,
.mission-exercise__options {
    list-style: none;
    margin-block: 0 0.75rem;
    margin-inline: 0;
    padding: 0;
}

.mission-reader__reading-list-item {
    align-items: center;
    border: 1px solid var(--cluster-border);
    border-radius: var(--cluster-radius);
    display: grid;
    gap: 0.5rem;
    grid-template-columns: minmax(0, 1fr) auto;
    min-inline-size: min(100%, 14rem);
    padding-block: 0.625rem;
    padding-inline: 0.75rem;
}

.mission-reader__reading-list-primary {
    font-family: var(--font-family-danef);
    overflow-wrap: anywhere;
}

.mission-reader__reading-list-secondary {
    color: #57606a;
    grid-column: 1 / -1;
    overflow-wrap: anywhere;
}

.mission-reader__outro-cta {
    margin-block: 1rem 0;
    margin-inline: 0;
}

.mission-reader__outro-cta-link {
    align-items: center;
    display: inline-flex;
    justify-content: center;
    padding-block: 0.5rem;
    padding-inline: 1rem;
}

.mission-exercise__prompt {
    display: grid;
    gap: 0.5rem;
}

.mission-exercise__options {
    align-items: stretch;
}

.mission-exercise__option {
    border: 1px solid var(--cluster-border);
    border-radius: var(--cluster-radius);
    background: #ffffff;
    color: inherit;
    cursor: pointer;
    font-family: var(--font-family-danef);
    padding-block: 0.5rem;
    padding-inline: 1rem;
}

.mission-exercise__option[data-state="correct"] {
    border-color: #1a7f37;
}

.mission-exercise__option[data-state="incorrect"] {
    border-color: #cf222e;
}

.missions-list-section {
    display: grid;
    gap: 0.5rem;
}

.missions-list-section__heading {
    margin: 0;
    font-size: 1.25rem;
    text-align: start;
}

.missions-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.missions-list__item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.5rem;
    align-items: baseline;
    padding-block: 0.625rem;
    padding-inline: 0.875rem;
    border: 1px solid var(--cluster-border);
    border-radius: var(--cluster-radius);
    background: #ffffff;
    text-align: start;
}

.missions-list__item[data-active="true"] {
    border-color: #0969da;
    background: #ddf4ff;
}

.missions-list__number {
    font-weight: 600;
}

.missions-list__title {
    font-weight: 500;
}

.missions-list__slug {
    display: none;
}

.missions-list__duration {
    color: #57606a;
    font-size: 0.875rem;
}

@media (prefers-reduced-motion: no-preference) {
    .mission-player__progress-fill {
        transition: inline-size 0.2s ease-out;
    }
}