/* =====================================================================
   Wiki / Documentation deck. NASA Punk system.
   --------------------------------------------------------------------- */

.docs-hero {
    margin-bottom: 18px;
}

.docs-hero .hub-actions {
    margin-top: 28px;
}

.docs-library {
    margin-top: var(--section-space);
}

.docs-library-groups {
    display: grid;
    gap: 36px;
    margin-top: 24px;
}

.docs-library-status,
.docs-library-empty {
    padding: 26px 28px;
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-strong);
    background:
        linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-elevated) 100%);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.92rem;
    letter-spacing: 0.06em;
}

.docs-library-group {
    display: grid;
    gap: 18px;
}

.docs-library-group-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.docs-library-group-head h3 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.32rem;
    letter-spacing: -0.01em;
}

.docs-library-group-meta {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    border: 1px solid var(--accent-line);
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    background: var(--accent-soft);
}

.docs-library-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.docs-library-card {
    min-height: 220px;
    background:
        linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-elevated) 100%);
    padding: 24px 22px 22px;
    transition: transform 0.18s ease, border-color 0.18s ease;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.docs-library-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-accent);
}

.docs-library-card .card-mark {
    margin-bottom: 14px;
}

.docs-library-card h3 {
    font-family: var(--font-display);
    font-size: 1.12rem;
    line-height: 1.25;
    margin-bottom: 10px;
}

.docs-library-card p {
    color: var(--text-muted);
    font-size: 0.94rem;
    line-height: 1.55;
}

.docs-library-path {
    display: block;
    margin-top: 16px;
    color: var(--text-soft);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.04em;
}

.wiki-toolbar {
    margin-top: 24px;
    margin-bottom: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.wiki-search-input {
    flex: 1;
    min-width: 250px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--bg-panel);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.92rem;
    letter-spacing: 0.04em;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.wiki-search-input::placeholder {
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
}

.wiki-search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.wiki-tags-filter {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.wiki-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.wiki-category-btn {
    padding: 6px 14px;
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    background: var(--bg-panel);
    border: 1px solid var(--border-strong);
    color: var(--text);
    transition: all 0.2s ease;
    user-select: none;
}

.wiki-category-btn:hover {
    border-color: var(--accent-line);
    color: var(--accent);
}

.wiki-category-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.wiki-tag {
    padding: 4px 12px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    cursor: pointer;
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
    transition: all 0.18s ease;
    user-select: none;
    letter-spacing: 0.08em;
}

.wiki-tag:hover {
    color: var(--accent);
    border-color: var(--accent-line);
}

.wiki-tag.active {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
    font-weight: 600;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

.card-tags .wiki-tag {
    padding: 2px 8px;
    font-size: 0.7rem;
    cursor: default;
}

.card-tags .wiki-tag:hover {
    color: var(--text-muted);
    border-color: var(--border-strong);
    background: transparent;
}

@media (max-width: 1080px) {
    .docs-library-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .docs-library-grid {
        grid-template-columns: 1fr;
    }

    .docs-library-group-head {
        flex-direction: column;
        align-items: start;
    }
}