/* Bookshelf controls. Link color comes from styles.css article rules. */

.page-bookshelf .content .article {
    overflow-anchor: none;
}

.page-bookshelf .bookshelf-controls {
    position: sticky;
    top: 0;
    z-index: 4;
    background: var(--color-canvas);
    padding: 0.2rem 0 0.55rem;
    margin: 0 0 0.35rem;
    border-bottom: 1px solid var(--color-rule);
}

body:not(.memo-page).page-bookshelf .content article .bookshelf-controls {
    padding-block-start: 0.2rem;
}

body:not(.memo-page).page-bookshelf .content article .bookshelf-controls > * + * {
    padding-block-start: 0;
}

.page-bookshelf .bookshelf-search input {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    font: inherit;
    font-size: 1rem;
    line-height: 1.5;
    letter-spacing: var(--letter-spacing-body);
    color: var(--color-ink);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-hairline);
    border-radius: 0;
    padding: 0.4rem 0;
    appearance: none;
    -webkit-appearance: none;
}

.page-bookshelf .bookshelf-search input::-webkit-search-decoration,
.page-bookshelf .bookshelf-search input::-webkit-search-results-button,
.page-bookshelf .bookshelf-search input::-webkit-search-results-decoration {
    -webkit-appearance: none;
}

.page-bookshelf .bookshelf-search input::placeholder {
    color: var(--color-ink-muted);
}

.page-bookshelf .bookshelf-search input:focus {
    outline: none;
    border-bottom-color: var(--color-ink);
}

.page-bookshelf .bookshelf-search input:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

.page-bookshelf .bookshelf-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    align-items: baseline;
    margin: 0.45rem 0 0.45rem;
}

.page-bookshelf .bookshelf-status {
    margin: 0 0 0 auto;
    color: var(--color-ink-muted);
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
}

.page-bookshelf .view-toggle,
.page-bookshelf .starred-toggle {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
}

.page-bookshelf .view-toggle button,
.page-bookshelf .starred-toggle button {
    padding: 0.25rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
    color: var(--color-ink-muted);
}

.page-bookshelf .view-toggle button.active,
.page-bookshelf .view-toggle button[aria-pressed="true"],
.page-bookshelf .starred-toggle button[aria-pressed="true"] {
    color: var(--color-ink);
    font-weight: 500;
}

.page-bookshelf .category-nav,
.page-bookshelf .letter-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.15rem 1rem;
    margin: 0;
    overflow-x: visible;
    padding: 0.1rem 0 0.15rem;
}

.page-bookshelf .category-nav[hidden],
.page-bookshelf .letter-nav[hidden],
.page-bookshelf [hidden] {
    display: none !important;
}

.page-bookshelf .content article .category-nav a,
.page-bookshelf .content article .letter-nav a {
    padding: 0.2rem 0;
    background: none;
    border-radius: 0;
    text-decoration: none;
    color: var(--color-ink-muted);
    font-size: var(--font-size-body);
    white-space: nowrap;
    flex: 0 0 auto;
}

.page-bookshelf .content article .category-nav a:hover,
.page-bookshelf .content article .letter-nav a:hover,
.page-bookshelf .content article .category-nav a.active,
.page-bookshelf .content article .category-nav a[aria-current="true"],
.page-bookshelf .content article .letter-nav a.active,
.page-bookshelf .content article .letter-nav a[aria-current="true"] {
    background: none;
    color: var(--color-ink);
    text-decoration: none;
}

.page-bookshelf .starred::after {
    content: "*";
    color: var(--color-ink-muted);
    margin-left: 0.15em;
}

.page-bookshelf .section-intro {
    color: var(--color-ink-muted);
    font-style: italic;
    margin-bottom: 0;
}

.page-bookshelf.bookshelf-filtered #categories > section > .section-intro {
    display: none;
}

.page-bookshelf .letter-section {
    margin-bottom: 0;
}

.page-bookshelf .letter-heading,
.page-bookshelf #categories > section > h2,
.page-bookshelf .letter-section {
    scroll-margin-top: 6.75rem;
}

.page-bookshelf .letter-heading {
    font-size: var(--font-size-body);
    font-weight: 500;
    margin: 0;
}

.page-bookshelf .bookshelf-empty {
    color: var(--color-ink-muted);
    margin: 1rem 0 2rem;
}

@media (min-width: 768px) {
    .page-bookshelf .bookshelf-search input {
        font-size: var(--font-size-body);
        line-height: var(--line-height-body);
    }

    .page-bookshelf .category-nav,
    .page-bookshelf .letter-nav {
        flex-wrap: wrap;
        overflow-x: visible;
    }

    .page-bookshelf .letter-heading,
    .page-bookshelf #categories > section > h2,
    .page-bookshelf .letter-section {
        scroll-margin-top: 6.25rem;
    }
}