/* Sfogliatore rivista — [closeup_magazine] (vedi closeup-magazine.php) */

.cu-mag {
    --cu-mag-primary: #EF4240;
    --cu-mag-stage: #141414;
    --cu-mag-ink: #ffffff;
    --cu-mag-muted: rgba(255, 255, 255, .6);
    position: relative;
    margin: 2rem 0;
    border-radius: .5rem;
    background: var(--cu-mag-stage);
    color: var(--cu-mag-ink);
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
}

.cu-mag__stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 3.25rem;
}

/* Limita la larghezza del libro in base all'altezza disponibile (--cu-mag-max-w dal JS) */
.cu-mag__viewport {
    width: 100%;
    max-width: var(--cu-mag-max-w, 1100px);
    transition: transform .6s cubic-bezier(.2, .8, .2, 1);
}
/* In doppia pagina la copertina sta nella metà destra: la riportiamo al centro */
.cu-mag--landscape.cu-mag--at-cover .cu-mag__viewport { transform: translateX(-25%); }
.cu-mag--landscape.cu-mag--at-back .cu-mag__viewport { transform: translateX(25%); }

.cu-mag__book { margin: 0 auto; }
/* Prima che parta il JS (o se il JS non parte) si vede solo la copertina */
.cu-mag:not(.cu-mag--ready) .cu-mag__book { max-width: 420px; }
.cu-mag:not(.cu-mag--ready) .cu-mag__page:not(:first-child) { display: none; }

.cu-mag__page { background: #000; box-shadow: 0 0 0 1px rgba(255, 255, 255, .04); }
.cu-mag__page img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    margin: 0;
    object-fit: cover;
    border-radius: 0;
    pointer-events: none;
}
/* Link del PDF resi cliccabili sopra la pagina */
.cu-mag__link { position: absolute; z-index: 2; display: block; border-radius: 2px; cursor: pointer; }
.cu-mag__link:hover, .cu-mag__link:focus-visible { background: rgba(239, 66, 64, .18); outline: 1px solid var(--cu-mag-primary); }

.cu-mag--ready .stf__parent { filter: drop-shadow(0 18px 30px rgba(0, 0, 0, .55)); }

/* Frecce */
.cu-mag__nav {
    position: absolute;
    top: 50%;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    margin-top: -1.25rem;
    padding: 0;
    border: 0;
    border-radius: 9999px;
    background: rgba(255, 255, 255, .1);
    color: var(--cu-mag-ink);
    cursor: pointer;
    transition: background .15s, opacity .15s;
}
.cu-mag__nav:hover { background: var(--cu-mag-primary); }
.cu-mag__nav:focus-visible, .cu-mag__btn:focus-visible { outline: 2px solid var(--cu-mag-primary); outline-offset: 2px; }
.cu-mag__nav[disabled] { opacity: .25; cursor: default; background: rgba(255, 255, 255, .1); }
.cu-mag__nav--prev { left: .5rem; }
.cu-mag__nav--next { right: .5rem; }

/* Barra comandi */
.cu-mag__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    padding: .625rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, .1);
    font-size: .8125rem;
    line-height: 1.2;
}
.cu-mag__counter { font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; }
.cu-mag__hint { color: var(--cu-mag-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cu-mag__actions { display: flex; gap: .5rem; }
.cu-mag__btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .45rem .75rem;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: .25rem;
    background: transparent;
    color: var(--cu-mag-ink) !important;
    font: inherit;
    font-weight: 700;
    text-decoration: none !important;
    white-space: nowrap;
    cursor: pointer;
    transition: background .15s, border-color .15s;
}
.cu-mag__btn:hover { background: var(--cu-mag-primary); border-color: var(--cu-mag-primary); }

/* Rivista con una sola pagina: niente sfoglio */
.cu-mag--single .cu-mag__nav, .cu-mag--single .cu-mag__hint { display: none; }
.cu-mag--single .cu-mag__book { max-width: 420px; }

/* Schermo intero (nativo, oppure .cu-mag--fs come ripiego su iPhone) */
.cu-mag:fullscreen, .cu-mag--fs {
    display: flex;
    flex-direction: column;
    margin: 0;
    border-radius: 0;
}
.cu-mag--fs { position: fixed; inset: 0; z-index: 99999; }
.cu-mag:fullscreen .cu-mag__stage, .cu-mag--fs .cu-mag__stage { flex: 1; min-height: 0; }
body.cu-mag-lock { overflow: hidden; }

@media (max-width: 640px) {
    .cu-mag__stage { padding: 1rem .5rem; }
    .cu-mag__nav { width: 2.25rem; height: 2.25rem; margin-top: -1.125rem; background: rgba(0, 0, 0, .55); }
    .cu-mag__nav--prev { left: .25rem; }
    .cu-mag__nav--next { right: .25rem; }
    .cu-mag__hint, .cu-mag__btn span { display: none; }
    .cu-mag__btn { padding: .5rem .625rem; }
}

@media (prefers-reduced-motion: reduce) {
    .cu-mag__viewport { transition: none; }
}