/* ===== Katalog Buku ===== */

.page-catalog {
    background: #f7f9fc;
}

.catalog-page {
    padding: 1.5rem 0 4rem;
}

.catalog-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    color: var(--muted);
    font-size: 0.88rem;
    margin-bottom: 1.25rem;
}

.catalog-breadcrumb a:hover {
    color: var(--primary);
}

.catalog-breadcrumb i {
    font-size: 0.7rem;
    opacity: 0.6;
}

.catalog-breadcrumb span {
    color: var(--navy);
    font-weight: 600;
}

.catalog-intro {
    margin-bottom: 1.5rem;
}

.catalog-intro h1 {
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    color: var(--navy);
    margin-bottom: 0.35rem;
}

.catalog-intro p {
    color: var(--muted);
    font-size: 0.95rem;
}

.catalog-search-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.catalog-search-field,
.catalog-sort-field {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 0.75rem 1rem;
    box-shadow: 0 8px 24px rgba(26, 43, 72, 0.04);
}

.catalog-search-field {
    min-width: 0;
}

.catalog-search-field i,
.catalog-sort-field i {
    color: var(--muted);
    font-size: 1rem;
    flex-shrink: 0;
}

.catalog-search-field input {
    border: none;
    width: 100%;
    min-width: 0;
    outline: none;
    background: transparent;
    color: var(--navy);
}

.catalog-sort-field select {
    border: none;
    background: transparent;
    color: var(--navy);
    font-weight: 600;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    padding-right: 0.25rem;
}

.catalog-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 1.75rem;
    align-items: start;
}

.catalog-sidebar {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 12px 32px rgba(26, 43, 72, 0.05);
    position: sticky;
    top: 92px;
}

.catalog-filter-group + .catalog-filter-group {
    border-top: 1px solid var(--border);
    margin-top: 0.35rem;
    padding-top: 0.35rem;
}

.catalog-filter-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.75rem 0.35rem;
    border: none;
    background: none;
    color: var(--navy);
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
}

.catalog-filter-toggle i {
    color: var(--muted);
    font-size: 0.85rem;
}

.catalog-filter-panel {
    display: none;
    padding: 0 0.35rem 0.85rem;
}

.catalog-filter-panel.open {
    display: block;
}

.catalog-filter-list {
    list-style: none;
    display: grid;
    gap: 0.15rem;
    max-height: 220px;
    overflow: auto;
}

.catalog-filter-option {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.4rem 0;
    cursor: pointer;
    color: var(--navy);
    font-size: 0.88rem;
}

.catalog-filter-option input {
    accent-color: var(--primary);
    flex-shrink: 0;
}

.catalog-filter-option span {
    flex: 1;
}

.catalog-filter-option em {
    color: var(--muted);
    font-style: normal;
    font-size: 0.82rem;
}

.catalog-price-slider {
    position: relative;
    height: 28px;
    margin: 0.5rem 0 0.75rem;
}

.catalog-price-track {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: #e8edf3;
    border-radius: 999px;
    transform: translateY(-50%);
}

.catalog-price-fill {
    position: absolute;
    top: 0;
    height: 100%;
    background: var(--primary);
    border-radius: 999px;
}

.catalog-price-slider input[type="range"] {
    position: absolute;
    top: 50%;
    width: 100%;
    transform: translateY(-50%);
    pointer-events: none;
    appearance: none;
    background: none;
    margin: 0;
}

.catalog-price-slider input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--primary);
    box-shadow: 0 2px 8px rgba(26, 43, 72, 0.15);
    pointer-events: auto;
    cursor: pointer;
}

.catalog-price-slider input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--primary);
    box-shadow: 0 2px 8px rgba(26, 43, 72, 0.15);
    pointer-events: auto;
    cursor: pointer;
}

.catalog-price-values {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 0.82rem;
}

.catalog-reset {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.75rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    color: var(--navy);
    font-weight: 600;
    font-size: 0.88rem;
    background: #fafbfd;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.catalog-reset:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.catalog-main {
    min-width: 0;
}

.catalog-result-count {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.catalog-card {
    background: #fff;
    border: 1px solid rgba(26, 43, 72, 0.06);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(26, 43, 72, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.catalog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(26, 43, 72, 0.1);
}

.catalog-card-cover {
    position: relative;
    display: block;
    background: #eef2f7;
}

.catalog-card-cover img {
    width: 100%;
    aspect-ratio: 3 / 4.1;
    object-fit: cover;
    display: block;
}

.catalog-wishlist {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.92);
    color: var(--muted);
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(26, 43, 72, 0.12);
    transition: color 0.2s ease, background 0.2s ease;
}

.catalog-wishlist:hover,
.catalog-wishlist.active {
    color: var(--primary);
}

.catalog-card-body {
    padding: 0.9rem 1rem 1.1rem;
}

.catalog-card-category {
    display: block;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.35rem;
}

.catalog-card-body h3 {
    font-size: 0.95rem;
    line-height: 1.35;
    margin-bottom: 0.25rem;
}

.catalog-card-body h3 a {
    color: var(--navy);
}

.catalog-card-body h3 a:hover {
    color: var(--primary);
}

.catalog-card-author {
    color: var(--muted);
    font-size: 0.82rem;
    margin-bottom: 0.35rem;
}

.catalog-card-meta {
    color: #94a3b8;
    font-size: 0.78rem;
    margin-bottom: 0.55rem;
}

.catalog-card-price {
    color: var(--primary-dark);
    font-weight: 800;
    font-size: 0.98rem;
}

.catalog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.catalog-page-btn,
.catalog-page-num {
    min-width: 38px;
    height: 38px;
    border-radius: 10px;
    display: inline-grid;
    place-items: center;
    color: var(--navy);
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid transparent;
}

.catalog-page-btn {
    background: #fff;
    border-color: var(--border);
}

.catalog-page-btn:hover:not(.disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

.catalog-page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.catalog-page-num:hover {
    background: #fff;
    border-color: var(--border);
}

.catalog-page-num.active {
    background: #2563eb;
    color: #fff;
}

.catalog-page-ellipsis {
    color: var(--muted);
    padding: 0 0.25rem;
}

.catalog-empty {
    background: #fff;
    border-radius: 18px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.catalog-empty i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.catalog-empty h3 {
    color: var(--navy);
    margin-bottom: 0.35rem;
}

.catalog-empty p {
    color: var(--muted);
    margin-bottom: 1rem;
}

/* ===== Detail Buku (tetap) ===== */

.book-detail {
    padding: 2rem 0 4rem;
}

.book-detail-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2.5rem;
    align-items: start;
}

.book-detail-cover {
    background: white;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.book-detail-cover img {
    width: 100%;
    display: block;
    aspect-ratio: 3 / 4.5;
    object-fit: cover;
}

.book-detail-content {
    display: grid;
    gap: 1.25rem;
}

.book-detail-content .category-badge {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
    color: var(--primary);
    font-weight: 700;
}

.book-detail-content h1 {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    line-height: 1.2;
}

.book-detail-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-dark);
}

.book-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.meta-item {
    background: white;
    border-radius: 18px;
    padding: 1rem 1.15rem;
    box-shadow: 0 16px 40px rgba(26, 43, 72, 0.06);
}

.meta-item span {
    display: block;
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.book-detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.content-block {
    background: white;
    border-radius: 24px;
    padding: 1.5rem;
    box-shadow: 0 16px 40px rgba(26, 43, 72, 0.06);
}

.content-block h2 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.content-block p,
.content-block pre {
    color: var(--muted);
    line-height: 1.8;
    white-space: pre-wrap;
}

.page-hero {
    padding: 2.5rem 0 1.5rem;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 1rem;
}

@media (max-width: 1100px) {
    .catalog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .catalog-sidebar {
        position: static;
    }

    .catalog-search-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }

    .book-detail-grid {
        grid-template-columns: 1fr;
    }

    .book-meta-grid {
        grid-template-columns: 1fr;
    }
}