/* Visionneuse PDF integree. Les pages sont des canvas crees par pdf.js hors du DOM Blazor :
   les styles sont donc globaux, un fichier scope ne les atteindrait pas. */

.ad-pdf-viewer {
    display: grid;
    gap: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-2);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.ad-pdf-viewer:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.ad-pdf-viewer__stage {
    display: flex;
    min-height: 20rem;
    align-items: flex-start;
    justify-content: center;
    /* safe center : centre les pages tant qu'elles tiennent et revient au bord des que le
       grossissement les fait deborder, sinon le debut de la page devient inatteignable. */
    justify-content: safe center;
    gap: 1rem;
    overflow: auto;
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.04);
    padding: 1rem;
}

:root[data-bs-theme="dark"] .ad-pdf-viewer__stage {
    background: rgba(0, 0, 0, 0.28);
}

/* La page est deja mise a l'echelle du bloc par le module. Le plafond global pose sur les medias
   (responsive.css) est neutralise ici : au-dela de 100 %, le debordement doit rester defilable
   dans la piste plutot qu'etre ramene de force, sinon le grossissement n'a aucun effet visible. */
.ad-pdf-viewer__page {
    display: block;
    max-width: none;
    flex: 0 0 auto;
    border-radius: 2px;
    background: #fff;
    box-shadow: 0 14px 34px rgba(48, 39, 27, 0.18);
}

/* Silhouette de deux pages affichee avant l'arrivee du document. */
.ad-pdf-viewer__placeholder {
    display: flex;
    width: 100%;
    justify-content: center;
    gap: 1rem;
}

/* Meme gabarit que les pages rendues, pour eviter un saut de mise en page a leur arrivee. */
.ad-pdf-viewer__sheet {
    max-width: calc(50% - 0.5rem);
    height: min(76vh, 760px);
    border-radius: 2px;
    background: linear-gradient(105deg, rgba(202, 166, 90, 0.10), rgba(202, 166, 90, 0.02) 55%, rgba(202, 166, 90, 0.10));
    aspect-ratio: 210 / 297;
    box-shadow: 0 14px 34px rgba(48, 39, 27, 0.10);
    animation: ad-pdf-viewer-pulse 1.9s ease-in-out infinite;
}

.ad-pdf-viewer__sheet:last-child {
    animation-delay: 0.35s;
}

@media (max-width: 991px) {
    .ad-pdf-viewer__sheet:last-child {
        display: none;
    }

    .ad-pdf-viewer__sheet {
        max-width: 100%;
    }
}

@keyframes ad-pdf-viewer-pulse {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0.55;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ad-pdf-viewer__sheet {
        animation: none;
    }
}

.ad-pdf-viewer.is-ready .ad-pdf-viewer__placeholder {
    display: none;
}

.ad-pdf-viewer__status {
    margin: 0;
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
}

.ad-pdf-viewer.is-failed .ad-pdf-viewer__status {
    color: var(--tension);
}

.ad-pdf-viewer__toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.ad-pdf-viewer__nav,
.ad-pdf-viewer__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ad-pdf-viewer__counter {
    min-width: 9rem;
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
}

.ad-pdf-viewer__button {
    display: inline-flex;
    min-height: 2.5rem;
    min-width: 2.5rem;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    padding: 0 0.85rem;
    color: var(--ink);
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.ad-pdf-viewer__button--wide {
    padding-inline: 1rem;
}

.ad-pdf-viewer__button:hover:not(:disabled),
.ad-pdf-viewer__button:focus-visible {
    border-color: rgba(202, 166, 90, 0.65);
    background: rgba(202, 166, 90, 0.12);
    color: var(--primary-ink);
}

.ad-pdf-viewer__button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

@media (max-width: 575px) {
    .ad-pdf-viewer {
        padding: 0.85rem;
    }

    .ad-pdf-viewer__stage {
        padding: 0.5rem;
    }

    .ad-pdf-viewer__toolbar {
        justify-content: center;
    }

    .ad-pdf-viewer__button span:not([data-role="zoom-label"]) {
        display: none;
    }
}