.board-detail-shell {
    width: min(calc(100% - 2rem), 1200px);
    margin: var(--km-space-6, 2rem) auto var(--km-space-7, 3rem);
}

.board-reading-surface,
.board-comments-surface {
    border-color: var(--card-border-color);
    background: var(--card-bg-color);
    box-shadow: var(--card-shadow);
}

.board-reading-header,
.board-reading-body,
.board-reading-footer {
    max-width: none;
    width: 100%;
}

.board-reading-header {
    border-bottom-color: var(--card-border-color) !important;
    background: rgba(10, 143, 80, 0.04) !important;
}

.board-reading-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    line-height: 1.2;
    letter-spacing: 0;
    word-break: keep-all;
    overflow-wrap: anywhere;
}

.board-reading-footer {
    border-top-color: var(--card-border-color) !important;
    background: rgba(10, 143, 80, 0.04) !important;
}

.board-author-avatar {
    width: 40px;
    height: 40px;
}

.comment-submit-form textarea {
    border-radius: var(--km-radius-lg, 1rem);
    resize: none;
}

.km-prose {
    max-width: 860px;
    margin-inline: auto;
    font-size: 1.05rem;
    line-height: 1.78;
    color: var(--km-color-text, var(--page-text-color));
    word-break: keep-all;
    overflow-wrap: anywhere;
}

.km-prose h1,
.km-prose h2,
.km-prose h3 {
    margin: 1.75rem 0 0.85rem;
    line-height: 1.32;
    letter-spacing: 0;
}

.km-prose h1:first-child,
.km-prose h2:first-child,
.km-prose h3:first-child {
    margin-top: 0;
}

.km-prose p {
    margin: 0 0 1rem;
}

.km-prose blockquote {
    margin: 1.75rem 0;
    padding: 0.25rem 0 0.25rem 1rem;
    border-left: 3px solid var(--primary-color);
    color: var(--page-muted-color);
}

.km-prose img {
    max-width: 100%;
    height: auto;
    border-radius: var(--km-radius-md, 0.75rem);
    border: 1px solid var(--km-color-border, var(--card-border-color));
}

.km-prose figure {
    margin: 1.5rem 0;
}

.km-prose figcaption {
    margin-top: 0.5rem;
    color: var(--km-color-text-muted, var(--page-muted-color));
    font-size: 0.9rem;
    text-align: center;
}

.km-prose figure.table {
    margin: 1.5rem 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.km-prose table {
    width: max-content;
    min-width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--km-color-border, var(--card-border-color));
    font-size: 0.95rem;
    line-height: 1.55;
    background: var(--km-color-surface, var(--card-bg-color));
}

.km-prose th,
.km-prose td {
    min-width: 8.5rem;
    padding: 0.75rem 0.85rem;
    border: 1px solid var(--km-color-border, var(--card-border-color));
    vertical-align: top;
    word-break: keep-all;
    overflow-wrap: anywhere;
}

.km-prose th {
    background: var(--km-color-primary-soft, rgba(10, 143, 80, 0.08));
    color: var(--km-color-text, var(--page-text-color));
    font-weight: 700;
}

[data-theme="dark"] .km-prose th {
    background: rgba(31, 191, 114, 0.14);
}

.comment-card {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--km-color-border, var(--card-border-color));
    border-radius: var(--km-radius-lg, 1rem);
    transition: background-color var(--km-motion-fast, 0.2s ease),
        box-shadow var(--km-motion-fast, 0.2s ease);
}

[data-theme="dark"] .comment-card {
    background: rgba(255, 255, 255, 0.05);
}

.comment-card:hover {
    background: var(--km-color-surface, var(--card-bg-color));
    box-shadow: var(--km-shadow-sm, 0 4px 12px rgba(0, 0, 0, 0.05));
}

.ai-reply-draft {
    color: var(--km-color-text, var(--page-text-color));
}

@media (max-width: 767px) {
    .board-detail-shell {
        padding-top: var(--km-space-4, 1rem);
        padding-bottom: var(--km-space-6, 2rem);
    }

    .board-detail-title {
        font-size: 1.75rem;
        line-height: 1.25;
    }

    .board-detail-author-row {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 1rem;
    }

    .board-owner-actions,
    .board-owner-actions form,
    .board-owner-actions .btn {
        width: 100%;
    }

    .board-engagement-row form,
    .board-engagement-row .btn,
    .board-engagement-row > .d-flex {
        flex: 1 1 100%;
        width: 100%;
    }

    .km-prose {
        font-size: 1rem;
        line-height: 1.72;
        overflow-wrap: anywhere;
    }

    .km-prose figure.table {
        margin-right: -1rem;
        padding-right: 1rem;
    }

    .km-prose table {
        font-size: 0.9rem;
    }

    .km-prose th,
    .km-prose td {
        min-width: 7.75rem;
        padding: 0.65rem 0.75rem;
    }

    .comment-card > .d-flex:first-child {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.75rem;
    }

    .comment-card .btn,
    .comment-edit-form .btn {
        min-height: 38px;
    }

    .comment-submit-form {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    .comment-submit-form textarea {
        padding-right: 1rem !important;
    }

    .comment-submit-form .btn {
        position: static !important;
        width: 100%;
        margin: 0 !important;
    }
}