/* ========================================
   HUB RELEASE CALENDAR PAGE EXTENSIONS
======================================== */

#calendar-months,
#upcoming,
#explore,
#genres,
#newsletter,
#top-releases,
#books-by-date,
#about,
#faq {
    scroll-margin-top: 100px;
}

.calendar-kicker {
    margin: 0 0 var(--s-2);
    font-size: 0.72rem;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--white-62);
}

.calendar-jump-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin: 0 0 var(--s-4);
    margin-top: var(--s-5);
    font-size: 0.85rem;
    color: var(--muted);
    padding-left: var(--tight-gap);
    padding-right: var(--tight-gap);
}

.calendar-jump-links > span {
    display: inline-flex;
    align-items: center;
}

.calendar-jump-links > span + span::before {
    content: "•";
    margin: 0 var(--s-3);
    color: var(--border);
}

.calendar-jump-links a {
    position: relative;
    display: inline-block;
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    line-height: 1.5;
    border-bottom: 1px solid transparent;
}

.calendar-jump-links a:hover {
    color: var(--accent);
    border-bottom-color: currentColor;
}

.calendar-jump-links a::after {
    content: "";
    position: absolute;
    top: -6px;
    bottom: -6px;
    left: -4px;
    right: -4px;
}

.section--tight {
    padding-top: var(--s-6);
    padding-bottom: var(--s-6);
}

.section-intro-tight {
    margin: 0 0 var(--s-6);
    color: var(--muted);
}

.explore-block + .explore-block {
    margin-top: var(--s-8);
    padding-top: var(--s-6);
    border-top: 1px solid var(--border);
}

.explore-block h3 {
    margin: 0 0 var(--s-4);
    font-size: 0.98rem;
    line-height: 1.3;
}

.explore-heading {
    margin-bottom: var(--s-4);
}

.explore-heading h3 {
    margin: 0 0 2px;
}

.explore-note {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.35;
    color: var(--muted);
}

.cover-row {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 112px;
    gap: var(--s-5);
    overflow-x: auto;
    padding-bottom: var(--s-3);
    scrollbar-width: thin;
}

.cover-item {
    display: block;
    min-width: 0;
    text-decoration: none;
}

.cover-item:hover {
    text-decoration: none;
}

.cover-thumb {
    width: 100%;
    aspect-ratio: 2 / 3;
    overflow: hidden;
    border-radius: var(--cover-radius);
    box-shadow: var(--shadow);
    background: var(--paper);
    margin-bottom: var(--s-3);
}

.cover-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cover-title {
    font-size: 0.82rem;
    line-height: 1.35;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 2px;
}

.cover-item:hover .cover-title {
    text-decoration: underline;
}

.cover-author {
    font-size: 0.76rem;
    line-height: 1.35;
    color: var(--muted);
    margin: 0;
}

.month-browser-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--s-5);
}

.month-card {
    display: grid;
    gap: 2px;
    padding: var(--s-5);
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card);
    text-decoration: none;
    transition:
        border-color 0.18s ease,
        background-color 0.18s ease;
}

.month-card:hover {
    border-color: var(--accent-22);
    background: var(--accent-04);
    text-decoration: none;
}

.month-card.is-current {
    border-color: var(--accent-22);
    background: var(--accent-04);
}

.month-card-label {
    font-size: 0.98rem;
    line-height: 1.3;
    font-weight: 600;
    color: var(--text);
}

.month-card-meta {
    font-size: 0.8rem;
    color: var(--muted);
    line-height: 1.4;
}

.calendar-preview-list {
    display: grid;
    gap: var(--s-8);
}

.preview-group {
    display: grid;
    gap: var(--s-3);
}

.preview-date {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-4);
    padding-left: var(--tight-gap);
    padding-right: var(--tight-gap);
}

.preview-date h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.preview-date-note {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--muted);
    white-space: nowrap;
}

.preview-row {
    grid-template-columns: minmax(0, 1fr) max-content;
    align-items: start;
}

.preview-book-main {
    min-width: 0;
}

.preview-book-link {
    display: inline-block;
    font-weight: 600;
    font-size: 0.97rem;
    line-height: 1.3;
    color: var(--text);
    text-decoration: none;
}

.preview-book-link:hover {
    text-decoration: underline;
}

.preview-book-submeta {
    margin-top: 2px;
    font-size: 0.78rem;
    line-height: 1.35;
    color: var(--muted);
}

.preview-book-meta {
    display: grid;
    justify-items: end;
    gap: 2px;
    min-width: 88px;
    text-align: right;
}

.preview-format {
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--muted);
    white-space: nowrap;
}

.preview-genre {
    font-size: 0.74rem;
    color: var(--text-muted-soft);
    white-space: nowrap;
}

.preview-footer-link {
    display: inline-block;
    margin-top: var(--s-6);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
}

.mini-calendar-list {
    display: grid;
    gap: var(--s-4);
}

.mini-calendar-item {
    display: grid;
    gap: 2px;
    padding-bottom: var(--s-4);
    border-bottom: 1px solid var(--border);
}

.mini-calendar-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.mini-calendar-label {
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
}

.mini-calendar-title {
    font-size: 0.92rem;
    line-height: 1.35;
    font-weight: 600;
    color: var(--text);
}

.mini-calendar-meta {
    font-size: 0.8rem;
    color: var(--muted);
    line-height: 1.4;
}

.sidebar-note {
    font-size: 0.84rem;
    color: var(--muted);
    line-height: 1.6;
}

@media (max-width: 767px) {
    .month-browser-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .cover-row {
        grid-auto-columns: 96px;
    }

    .preview-date {
        flex-wrap: wrap;
        align-items: baseline;
    }

    .preview-book-meta {
        min-width: auto;
    }

    .preview-format,
    .preview-genre,
    .preview-date-note {
        white-space: normal;
    }
}

@media (max-width: 520px) {
    .preview-row {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--s-2);
    }

    .preview-book-meta {
        justify-items: start;
        text-align: left;
    }
}
.month-jump {
    margin-top: var(--s-7);
    padding: var(--s-6);
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card);
}

.month-jump-header {
    margin-bottom: var(--s-5);
}

.month-jump-title {
    margin: 0 0 2px;
    font-size: 0.98rem;
    line-height: 1.3;
}

.month-jump-help {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--muted);
}

.month-jump-form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-4);
    align-items: end;
}

.month-jump-field {
    display: grid;
    gap: var(--s-2);
    min-width: 140px;
}

.month-jump-label {
    font-size: 0.74rem;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
}

.month-jump-select {
    width: 100%;
    min-height: 42px;
    padding: 0 var(--s-5);
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card);
    color: var(--text);
    font: inherit;
}

.month-jump-btn {
    appearance: none;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: var(--white);
    min-height: 42px;
    padding: 0 var(--s-6);
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition:
        background-color 0.18s ease,
        border-color 0.18s ease,
        color 0.18s ease;
}

.month-jump-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

@media (max-width: 640px) {
    .month-jump-form {
        align-items: stretch;
    }

    .month-jump-field {
        flex: 1 1 100%;
        min-width: 0;
    }

    .month-jump-btn {
        width: 100%;
        justify-content: center;
    }
}

.preview-book-submeta a {
    color: inherit;
    text-decoration: none;
}

.preview-book-submeta a:hover {
    text-decoration: underline;
}

/* ========================================
   MONTH NAVIGATION
======================================== */

.month-nav-list {
    display: grid;
    gap: var(--s-4);
}

.month-nav-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-4);

    padding: var(--s-4) var(--s-5);

    border: 1px solid var(--border);
    border-radius: 10px;

    background: var(--card);

    color: inherit;
    text-decoration: none;

    transition:
        border-color 0.18s ease,
        background-color 0.18s ease;
}

.month-nav-row:hover {
    border-color: var(--accent-22);
    background: var(--accent-04);
    text-decoration: none;
}

.month-nav-label {
    font-size: 0.92rem;
    line-height: 1.35;
    font-weight: 600;
    color: var(--text);
}

.month-nav-meta {
    font-size: 0.8rem;
    line-height: 1.35;
    color: var(--muted);
    white-space: nowrap;
}

@media (max-width: 520px) {
    .month-nav-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .month-nav-meta {
        white-space: normal;
    }
}