.apz-pdf-katalog {
    --apz-color-primary: #004c77;
    --apz-color-text: #444444;
    --apz-color-box: #f9f9f9;
    --apz-color-border: #dbe4ea;
    --apz-color-shadow: rgba(0, 76, 119, 0.09);
    font-family: Helvetica, Arial, sans-serif;
    color: var(--apz-color-text);
}

.apz-pdf-katalog__search-wrap {
    margin-bottom: 1.25rem;
}

.apz-pdf-katalog__search-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.45rem;
    color: var(--apz-color-primary);
}

.apz-pdf-katalog__search-input {
    width: 100%;
    border: 1px solid var(--apz-color-border);
    border-radius: 10px;
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
    color: var(--apz-color-text);
    background: #ffffff;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.apz-pdf-katalog__search-input:focus {
    border-color: var(--apz-color-primary);
    box-shadow: 0 0 0 3px rgba(0, 76, 119, 0.13);
}

.apz-pdf-katalog__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 1.1rem;
}

.apz-pdf-katalog__tab {
    border: 1px solid var(--apz-color-border);
    background: #ffffff;
    color: var(--apz-color-primary);
    padding: 0.52rem 0.95rem;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.88rem;
    line-height: 1;
    transition: all 0.2s ease;
}

.apz-pdf-katalog__tab:hover,
.apz-pdf-katalog__tab.is-active {
    border-color: var(--apz-color-primary);
    background: var(--apz-color-primary);
    color: #ffffff;
}

/* Doppelte Klasse + !important: Themes (z. B. Divi) setzen oft display:flex auf Wrapper/Grids und wuerden sonst eine Karte auf volle Breite ziehen. */
.apz-pdf-katalog .apz-pdf-katalog__grid {
    display: grid !important;
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    align-items: start;
}

.apz-pdf-katalog .apz-pdf-katalog__grid > .apz-pdf-katalog__card {
    /* Gegen Theme-Regeln wie article { grid-column: 1 / -1 } (eine Karte = volle Breite). */
    grid-column: auto / span 1 !important;
    min-width: 0;
    max-width: 100%;
}

.apz-pdf-katalog__card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--apz-color-box);
    border: 1px solid var(--apz-color-border);
    border-radius: 14px;
    box-shadow: 0 8px 24px var(--apz-color-shadow);
    min-height: 100%;
}

.apz-pdf-katalog__card.is-hidden {
    display: none !important;
}

.apz-pdf-katalog__preview {
    background: #ffffff;
    border-bottom: 1px solid var(--apz-color-border);
    aspect-ratio: 4 / 3;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.apz-pdf-katalog__preview img,
.apz-pdf-katalog__preview-canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.apz-pdf-katalog__preview-fallback {
    background: var(--apz-color-primary);
    color: #ffffff;
    width: 76px;
    height: 76px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    letter-spacing: 0.02em;
    font-weight: 700;
}

.apz-pdf-katalog__preview-loader {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(249, 249, 249, 0.85);
    z-index: 2;
    pointer-events: none;
}

.apz-pdf-katalog__preview-loader::after {
    content: "";
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 3px solid var(--apz-color-border);
    border-top-color: var(--apz-color-primary);
    animation: apz-pdf-katalog-spin 0.85s linear infinite;
}

@keyframes apz-pdf-katalog-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .apz-pdf-katalog__preview-loader::after {
        animation-duration: 2.4s;
    }
}

.apz-pdf-katalog__sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.apz-pdf-katalog__content {
    padding: 0.9rem;
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 0.65rem;
}

.apz-pdf-katalog__title {
    margin: 0;
    font-size: 1.04rem;
    line-height: 1.3;
    color: var(--apz-color-primary);
}

.apz-pdf-katalog__description {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--apz-color-text);
    flex: 1;
}

.apz-pdf-katalog__download {
    margin-top: auto;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-radius: 10px;
    text-decoration: none;
    background: var(--apz-color-primary);
    color: #ffffff !important;
    padding: 0.62rem 0.85rem;
    font-size: 0.88rem;
    font-weight: 600;
    transition: opacity 0.2s ease;
}

.apz-pdf-katalog__download:hover {
    opacity: 0.88;
}

.apz-pdf-katalog__no-results,
.apz-pdf-katalog-empty {
    margin-top: 1rem;
    border: 1px dashed var(--apz-color-border);
    border-radius: 12px;
    padding: 0.95rem;
    background: #ffffff;
    color: var(--apz-color-text);
}

@media (max-width: 1200px) {
    .apz-pdf-katalog .apz-pdf-katalog__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .apz-pdf-katalog .apz-pdf-katalog__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .apz-pdf-katalog .apz-pdf-katalog__grid {
        grid-template-columns: 1fr;
    }
}