/**
 * Nützliches PDF Downloader – Frontend Styles
 * Card-Layout, Grid, Buttons, Kategorie-Filter, Responsive.
 */

.wp-pdf-downloader-wrapper {
    width: 100%;
    scroll-margin-top: 40px;
}

.wp-pdf-downloader-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.wp-pdf-downloader-cols-1 .wp-pdf-downloader-card {
    flex: 0 1 100%;
}

.wp-pdf-downloader-cols-2 .wp-pdf-downloader-card {
    flex: 0 1 calc(50% - 0.75rem);
}

.wp-pdf-downloader-cols-3 .wp-pdf-downloader-card {
    flex: 0 1 calc(33.333% - 1rem);
}

.wp-pdf-downloader-cols-4 .wp-pdf-downloader-card {
    flex: 0 1 calc(25% - 1.125rem);
}

.wp-pdf-downloader-card {
    display: flex;
    flex-direction: column;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 1.2rem 1.4rem;
    background: #ffffff;
    box-sizing: border-box;
}

.wp-pdf-downloader-card-inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.wp-pdf-downloader-card-content {
    flex: 1 1 auto;
}

.wp-pdf-downloader-card-image-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 3px;
    background-color: #f2f2f2;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.wp-pdf-downloader-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.wp-pdf-downloader-card-categories {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    opacity: 0.8;
    margin-bottom: 0.4rem;
}

.wp-pdf-downloader-card-title {
    margin: 0 0 0.6rem;
}

h3.wp-pdf-downloader-card-title {
    font-size: 1.05rem;
}

.wp-pdf-downloader-card-excerpt {
    flex-grow: 1;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.wp-pdf-downloader-card-excerpt p,
.wp-pdf-downloader-card-excerpt span,
.wp-pdf-downloader-card-excerpt li {
    font-size: inherit;
}

.wpd-toggle-more {
    background: none;
    border: none;
    padding: 0;
    margin-top: 0.4rem;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    color: inherit;
    opacity: 0.7;
    text-decoration: underline;
    transition: opacity 0.15s;
    display: inline-block;
}

.wpd-toggle-more:hover {
    opacity: 1;
}

.wp-pdf-downloader-card-download {
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

/* PDF-Download-Button */
.wp-pdf-downloader-card-button {
    display: inline-block;
    box-sizing: border-box;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.4;
    font-family: inherit;
    border: 0 solid transparent;
    outline: none;
    box-shadow: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.wp-pdf-downloader-card-button:hover {
    text-decoration: none;
}

.wp-pdf-downloader-card-button:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

/* "Mehr erfahren"-Link-Button: Outline-Variante */
.wp-pdf-downloader-card-link-button {
    background-color: transparent !important;
    box-shadow: none !important;
    outline: none !important;
    transition: opacity 0.15s ease, background-color 0.15s ease;
}

.wp-pdf-downloader-card-link-button:hover {
    opacity: 0.75;
}

/* Kategorie-Filter (hierarchisch) */
.wp-pdf-downloader-category-filter {
    margin-bottom: 1rem;
}

.wp-pdf-downloader-category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.wpd-filter-row-primary {
    margin-bottom: 0;
}

.wpd-filter-row-sub {
    display: none;
    margin-top: 0.5rem;
    padding: 0.6rem 0.8rem;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 6px;
}

.wpd-filter-row-sub.is-visible {
    display: flex;
}

.wp-pdf-downloader-filter-button {
    display: inline-block;
    cursor: pointer;
    line-height: 1.4;
    font-family: inherit;
    border: 0 solid transparent;
    outline: none;
    box-shadow: none;
    box-sizing: border-box;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    transition: background-color 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}

.wp-pdf-downloader-filter-button.is-active {
    font-weight: 600;
}

.wpd-sub-filter-button {
    font-size: 0.9em;
}

/* Seitennavigation */
.wpd-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 2rem;
    padding: 1rem 0;
    flex-wrap: wrap;
}

.wpd-page-numbers {
    display: flex;
    align-items: center;
    gap: 4px;
}

.wpd-page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    background: #fff;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
    box-sizing: border-box;
    line-height: 1;
}

.wpd-page-link:hover {
    border-color: #9ca3af;
    background: #f9fafb;
    color: #111827;
    text-decoration: none;
}

.wpd-page-current {
    background: #f3f4f6;
    border-color: #374151;
    color: #111827;
    font-weight: 600;
    cursor: default;
}

.wpd-page-prev,
.wpd-page-next {
    gap: 6px;
    padding: 0 16px;
    font-weight: 500;
}

.wpd-page-arrow {
    font-size: 18px;
    line-height: 1;
}

.wpd-page-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 40px;
    font-size: 14px;
    color: #9ca3af;
    letter-spacing: 2px;
}

.wpd-pagination-loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 768px) {
    .wp-pdf-downloader-card {
        flex: 1 1 100%;
    }

    .wp-pdf-downloader-card-image-wrapper {
        aspect-ratio: 4 / 3;
    }
}