/* ==========================================================================
   PDF Reader Modal
   ========================================================================== */

.pdf-reader {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
}

.pdf-reader.is-open {
    display: block;
}

.pdf-reader__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(24, 24, 27, 0.85);
    animation: pdfReaderFadeIn 0.2s ease;
}

.pdf-reader__content {
    position: absolute;
    inset: 0;
    /* يملأ كامل الشاشة المتاحة */
    width: 100%;
    height: 100%;
    max-width: none;
    background-color: var(--color-surface);
    border-radius: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: none;
    animation: pdfReaderFadeIn 0.2s ease;
}

.pdf-reader__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background-color: var(--color-surface-lower);
    border-bottom: 1px solid var(--color-shades-quad);
    flex-shrink: 0;
}

.pdf-reader__title {
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: var(--weight-medium);
    color: var(--color-shades-primary);
    line-height: 1.4;
    max-width: calc(100% - 60px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-reader__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 50%;
    background-color: transparent;
    color: var(--color-shades-primary);
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.pdf-reader__close:hover {
    background-color: var(--color-shades-quad);
    transform: scale(1.05);
}

.pdf-reader__close:active {
    transform: scale(0.95);
}

.pdf-reader__body {
    flex: 1;
    min-height: 0;
    background-color: var(--color-shades-primary);
}

.pdf-reader__frame {
    width: 100%;
    height: 100%;
    display: block;
    border: 0;
}


/* --- Animations --------------------------------------------------------- */
@keyframes pdfReaderFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}


/* --- Reduced motion ----------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {

    .pdf-reader__overlay,
    .pdf-reader__content {
        animation: none;
    }
}