/* IPA Library — wireframe 1c: toolbar, filter rail, card grid, pagination.
   Loads after directory.css and reuses its tokens and badge styles. */

.lib-main {
    max-width: var(--dir-max);
    margin: 0 auto;
    padding: 1.5rem 1rem 3rem;
}

.hidden {
    display: none !important;
}

/* ---------- Toolbar ---------- */

.lib-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.lib-search {
    position: relative;
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    align-items: center;
}

.lib-search-icon {
    position: absolute;
    left: 0.85rem;
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.lib-search-input {
    width: 100%;
    padding: 0.75rem 0.9rem 0.75rem 2.4rem;
    border-radius: 13px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
}

.lib-search-input::placeholder {
    color: var(--text-muted);
}

.lib-search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.lib-sort {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    flex: none;
}

.lib-sort-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.lib-select {
    padding: 0.55rem 0.7rem;
    border-radius: 11px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
}

.lib-select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.lib-rail-toggle {
    display: none;
    flex: none;
    padding: 0.6rem 1rem;
    border-radius: 11px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
}

/* ---------- Layout ---------- */

.lib-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 1.75rem;
    align-items: start;
}

/* ---------- Filter rail ---------- */

.lib-rail {
    position: sticky;
    top: 76px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.1rem;
    border: 1px solid var(--card-border);
    border-radius: var(--dir-radius);
    background: var(--card-bg);
}

.lib-rail-group {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.lib-rail-title {
    margin: 0 0 0.15rem;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.lib-check {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.88rem;
    cursor: pointer;
}

.lib-check input {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.lib-rail-crosslink {
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: var(--accent-blue);
}

.lib-select-label {
    display: block;
}

.lib-select-label .lib-select {
    width: 100%;
}

.lib-rail-reset {
    padding: 0.55rem;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-family: inherit;
    cursor: pointer;
}

.lib-rail-reset:hover {
    color: var(--text);
    border-color: var(--accent-blue);
}

/* ---------- Results ---------- */

.lib-tabs {
    display: flex;
    gap: 0.3rem;
    padding: 0.25rem;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    width: fit-content;
    margin-bottom: 1.1rem;
}

.lib-tab {
    padding: 0.4rem 0.95rem;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
}

.lib-tab-active {
    background: rgba(74, 158, 255, 0.18);
    color: var(--accent-blue);
}

.lib-heading {
    margin: 0 0 1.1rem;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.lib-empty {
    color: var(--text-muted);
    font-size: 0.92rem;
    padding: 2rem 0;
}

.lib-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
}

.lib-card {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: 0.95rem;
    border: 1px solid var(--card-border);
    border-radius: var(--dir-radius);
    background: var(--card-bg);
}

.lib-card-link {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: inherit;
    text-decoration: none;
    min-width: 0;
}

.lib-card-link:hover {
    text-decoration: none;
}

.lib-card-icon img,
.lib-card-icon-placeholder {
    display: block;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.07);
}

.lib-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
    min-width: 0;
}

.lib-card-name {
    font-size: 0.95rem;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lib-card-dev {
    font-size: 0.78rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lib-card-tags {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.lib-card-version {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.lib-card-get {
    margin-top: auto;
    padding: 0.55rem;
    border-radius: 11px;
    background: rgba(74, 158, 255, 0.16);
    color: var(--accent-blue);
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
}

.lib-card-get:hover {
    text-decoration: none;
    background: var(--accent-blue);
    color: #08111f;
}

/* ---------- Pagination ---------- */

.lib-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    margin-top: 1.75rem;
    flex-wrap: wrap;
}

.lib-page-btn {
    min-width: 36px;
    padding: 0.45rem 0.7rem;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
}

.lib-page-btn:hover:not(:disabled) {
    border-color: var(--accent-blue);
}

.lib-page-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.lib-page-btn-active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #08111f;
    font-weight: 700;
}

.lib-page-gap {
    padding: 0 0.25rem;
    color: var(--text-muted);
}

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
    .lib-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .lib-main {
        padding-bottom: calc(var(--dir-tabbar-h) + 2rem);
    }

    .lib-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .lib-rail-toggle {
        display: block;
    }

    .lib-sort-label {
        display: none;
    }

    /* Rail collapses to a disclosure panel above the results (1c mobile). */
    .lib-rail-wrap {
        display: none;
    }

    .lib-rail-wrap.is-open {
        display: block;
        margin-bottom: 1.25rem;
    }

    .lib-rail {
        position: static;
    }
}

@media (max-width: 520px) {
    .lib-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}