/* The Digital Reader's flipbook (assets/js/magazine-flipbook.js). Loaded only
   when the issue being read has a PDF. It lives inside .mag-reader-frame__viewer. */

.mag-flipbook {
    width: 100%;
    height: 100%;
    padding: 20px 16px;
    overflow: hidden;
    display: flex;
    position: relative;
    direction: ltr;               /* a magazine turns left-to-right on the Arabic site too */
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}
.mag-flipbook__wrap { flex: none; margin: auto; max-width: none; }
.mag-flipbook.is-zoomed .mag-flipbook__wrap { visibility: hidden; }
.mag-flipbook__book { width: 100%; }
.mag-flipbook__page { background: #fff; overflow: hidden; }
.mag-flipbook__page canvas { display: block; width: 100%; height: 100%; object-fit: contain; }
.mag-flipbook__placeholder {
    width: 100%; height: 100%;
    display: grid; place-items: center;
    background: #faf9f7; color: #bbb;
    font-size: 0.8rem; font-weight: 700;
}

/* The zoom view: the open pages over the book, moved and scaled by the script. */
.mag-flipbook__zoom {
    position: absolute;
    inset: 0;
    z-index: 2;
    overflow: hidden;
    touch-action: none;
    cursor: grab;
}
.mag-flipbook__zoom[hidden] { display: none; }
.mag-flipbook__zoom.is-dragging { cursor: grabbing; }
.mag-flipbook__zoom-stage {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    transform-origin: 0 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}
.mag-flipbook__zoom-page { flex: none; height: 100%; background: #fff; }
.mag-flipbook__zoom-page canvas { display: block; width: 100%; height: 100%; }
.mag-flipbook__zoom-close {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: rgba(17, 17, 17, 0.72);
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
}
.mag-flipbook__zoom-close:hover { background: rgba(17, 17, 17, 0.9); }

.mag-flipbook__status {
    margin: auto;
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
}
.mag-flipbook__status::after {
    content: "";
    display: block;
    width: 28px; height: 28px;
    margin: 14px auto 0;
    border: 2px solid var(--line);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: mag-flipbook-spin 0.8s linear infinite;
}
.mag-flipbook.is-failed { flex-direction: column; align-items: center; justify-content: center; gap: 12px; }
.mag-flipbook.is-failed .mag-flipbook__status { margin: 0; }
.mag-flipbook.is-failed .mag-flipbook__status::after { display: none; }
.mag-flipbook__open { color: var(--accent); font-weight: 700; font-size: 0.85rem; }

.mag-flipbook__counter {
    min-width: 72px;
    align-self: center;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--muted);
    font-variant-numeric: tabular-nums;
}

@keyframes mag-flipbook-spin { to { transform: rotate(360deg); } }

@media (max-width: 575.98px) {
    .mag-flipbook { padding: 12px 8px; }
    .mag-flipbook__counter { min-width: 56px; }
}