/* ==========================================================================
   YAYIN KATALOĞU (frontend) — /katalog
   iframe gömülü flipbook + boş durum.
   ========================================================================== */

.katalog-bolum {
    padding-block: 0 3rem;
}

/* Flipbook iframe sarmalayıcı — tam genişlik, responsive yükseklik */
.katalog-iframe-wrap {
    position: relative;
    width: 100%;
    height: clamp(440px, 82vh, 900px);
    border-radius: 14px;
    overflow: hidden;
    background: var(--primary-bg, #E8F4FC);
    box-shadow: 0 10px 40px rgba(0, 0, 0, .14);
}

.katalog-iframe-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

/* Boş durum — katalog henüz ayarlanmadıysa */
.katalog-bos {
    text-align: center;
    padding: 64px 20px;
    color: #6b7280;
    background: var(--primary-bg, #E8F4FC);
    border-radius: 14px;
}

.katalog-bos i {
    font-size: 48px;
    color: var(--primary-light, #069DD8);
    margin-bottom: 16px;
    display: block;
}

.katalog-bos p {
    font-size: 16px;
    margin: 0;
}

@media (max-width: 768px) {
    .katalog-iframe-wrap {
        height: clamp(380px, 72vh, 640px);
        border-radius: 10px;
    }
    .katalog-bos { border-radius: 10px; padding: 48px 16px; }
}