.bd-omnibook-answers {
    --bd-oa-bg: #f7f8fb;
    --bd-oa-surface: #ffffff;
    --bd-oa-text: #1f2937;
    --bd-oa-muted: #5b6472;
    --bd-oa-border: #d8dee8;
    --bd-oa-a0: #0e7a6b;
    --bd-oa-a1: #5b7c99;
    --bd-oa-a2: #2e8b6e;
    --bd-oa-b1: #c4881a;
    --bd-oa-b2: #8b3040;
    max-width: 920px;
    margin: 0 auto;
    padding: 1.5rem 1rem 2.5rem;
    color: var(--bd-oa-text);
    font-family: inherit;
}

.bd-omnibook-answers__hero {
    background: var(--bd-oa-surface);
    border: 1px solid var(--bd-oa-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.bd-omnibook-answers__kicker {
    margin: 0 0 0.35rem;
    font-size: 0.85rem;
    color: var(--bd-oa-muted);
}

.bd-omnibook-answers__title {
    margin: 0 0 0.5rem;
    font-size: 1.65rem;
    line-height: 1.35;
}

.bd-omnibook-answers__subtitle {
    margin: 0;
    color: var(--bd-oa-muted);
    line-height: 1.7;
}

.bd-omnibook-answers__levels {
    display: grid;
    gap: 1rem;
}

.bd-omnibook-answers__level-card {
    background: var(--bd-oa-surface);
    border: 1px solid var(--bd-oa-border);
    border-radius: 16px;
    padding: 1.25rem;
}

.bd-omnibook-answers__level-card--a0 { border-top: 4px solid var(--bd-oa-a0); }
.bd-omnibook-answers__level-card--a1 { border-top: 4px solid var(--bd-oa-a1); }
.bd-omnibook-answers__level-card--a2 { border-top: 4px solid var(--bd-oa-a2); }
.bd-omnibook-answers__level-card--b1 { border-top: 4px solid var(--bd-oa-b1); }
.bd-omnibook-answers__level-card--b2 { border-top: 4px solid var(--bd-oa-b2); }

.bd-omnibook-answers__level-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
}

.bd-omnibook-answers__level-head h2 {
    margin: 0;
    font-size: 1.15rem;
}

.bd-omnibook-answers__level-head h2 a {
    color: inherit;
    text-decoration: none;
}

.bd-omnibook-answers__level-head span {
    color: var(--bd-oa-muted);
    font-size: 0.9rem;
}

.bd-omnibook-answers__chapters {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
    gap: 0.55rem;
}

.bd-omnibook-answers__chapters a {
    display: block;
    text-align: center;
    padding: 0.55rem 0.35rem;
    border-radius: 10px;
    border: 1px solid var(--bd-oa-border);
    background: var(--bd-oa-bg);
    color: var(--bd-oa-text);
    text-decoration: none;
    font-size: 0.92rem;
}

.bd-omnibook-answers__chapters a:hover {
    border-color: #aeb8c8;
}

.bd-omnibook-answers__subtitle-de {
    margin: 0.35rem 0 0;
    color: var(--bd-oa-muted);
    font-size: 0.95rem;
}

.bd-omnibook-answers__meta {
    margin: 0.75rem 0 0;
    font-size: 0.88rem;
    color: var(--bd-oa-muted);
}

.bd-omnibook-answers__sections {
    display: grid;
    gap: 1rem;
}

.bd-omnibook-answers__section {
    background: var(--bd-oa-surface);
    border: 1px solid var(--bd-oa-border);
    border-radius: 16px;
    padding: 1.15rem 1.2rem;
}

.bd-omnibook-answers__section-title {
    margin: 0 0 0.85rem;
    font-size: 1.05rem;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
}

.bd-omnibook-answers__section-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.65rem;
    height: 1.65rem;
    border-radius: 999px;
    background: var(--bd-oa-bg);
    border: 1px solid var(--bd-oa-border);
    font-size: 0.82rem;
    color: var(--bd-oa-muted);
    flex-shrink: 0;
}

.bd-omnibook-answers__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.85rem;
}

.bd-omnibook-answers__item {
    padding: 0.75rem 0.85rem;
    border-radius: 12px;
    background: var(--bd-oa-bg);
    border: 1px solid var(--bd-oa-border);
}

.bd-omnibook-answers__item.is-pending {
    border-style: dashed;
}

.bd-omnibook-answers__prompt {
    margin: 0 0 0.45rem;
    color: var(--bd-oa-text);
    line-height: 1.65;
    font-size: 0.95rem;
}

.bd-omnibook-answers__answer {
    margin: 0;
    line-height: 1.65;
}

.bd-omnibook-answers__answer-label {
    color: var(--bd-oa-muted);
    margin-left: 0.35rem;
}

.bd-omnibook-answers__pending {
    margin: 0;
    color: var(--bd-oa-muted);
    font-size: 0.88rem;
}

.bd-omnibook-answers__table-wrap {
    overflow-x: auto;
}

.bd-omnibook-answers__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.bd-omnibook-answers__table th,
.bd-omnibook-answers__table td {
    border: 1px solid var(--bd-oa-border);
    padding: 0.55rem 0.65rem;
    text-align: right;
    vertical-align: top;
}

.bd-omnibook-answers__table th[dir="ltr"],
.bd-omnibook-answers__table td[dir="ltr"] {
    text-align: left;
}

.bd-omnibook-answers__table thead th {
    background: var(--bd-oa-bg);
    color: var(--bd-oa-muted);
}

.bd-omnibook-answers__selfcheck {
    margin-top: 1rem;
    background: var(--bd-oa-surface);
    border: 1px solid var(--bd-oa-border);
    border-radius: 16px;
    padding: 1.15rem 1.2rem;
}

.bd-omnibook-answers__selfcheck h2 {
    margin: 0 0 0.75rem;
    font-size: 1.05rem;
}

.bd-omnibook-answers__selfcheck ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.65rem;
}

.bd-omnibook-answers__selfcheck li {
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    background: var(--bd-oa-bg);
    border: 1px solid var(--bd-oa-border);
}

.bd-omnibook-answers__selfcheck-fa {
    display: block;
    margin-bottom: 0.2rem;
}

.bd-omnibook-answers__selfcheck-de {
    display: block;
    color: var(--bd-oa-muted);
    font-size: 0.88rem;
}

.bd-omnibook-answers__placeholder {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    background: var(--bd-oa-bg);
    border: 1px dashed var(--bd-oa-border);
    border-radius: 14px;
    padding: 1rem 1.1rem;
    color: var(--bd-oa-muted);
    line-height: 1.75;
}

.bd-omnibook-answers__placeholder p {
    margin: 0;
}

.bd-omnibook-answers__back {
    margin: 1.25rem 0 0;
}

.bd-omnibook-answers__back a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--bd-oa-muted);
    text-decoration: none;
}

.bd-omnibook-answers__back a:hover {
    color: var(--bd-oa-text);
}

.bd-omnibook-answers__error {
    color: #9b1c1c;
}

.bd-omnibook-answers__chapter--a0 .bd-omnibook-answers__hero { border-right: 4px solid var(--bd-oa-a0); }
.bd-omnibook-answers__chapter--a1 .bd-omnibook-answers__hero { border-right: 4px solid var(--bd-oa-a1); }
.bd-omnibook-answers__chapter--a2 .bd-omnibook-answers__hero { border-right: 4px solid var(--bd-oa-a2); }
.bd-omnibook-answers__chapter--b1 .bd-omnibook-answers__hero { border-right: 4px solid var(--bd-oa-b1); }
.bd-omnibook-answers__chapter--b2 .bd-omnibook-answers__hero { border-right: 4px solid var(--bd-oa-b2); }

@media (min-width: 720px) {
    .bd-omnibook-answers__levels {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}