:root {
    --pdf-viewer-toolbar-h: 64px;
}

html.pdf-viewer-maximized,
html.pdf-viewer-maximized > body {
    overflow: hidden;
    height: 100%;
}

.pdf-viewer-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    margin-bottom: 3px;
}

.pdf-viewer-container.maximized {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    width: 100vw;
    height: 100vh;
    overflow: auto;
}

.pdf-viewer-container .pdf-viewer {
    flex: 1 1 auto;
    background: #f6f6f6;

    overflow-x: auto;
    overflow-y: hidden;

    display: flex;
    gap: 12px;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x pinch-zoom;

    align-items: stretch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.pdf-viewer-container .pdf-viewer::-webkit-scrollbar {
    display: none;
}

.pdf-viewer-container .pdf-viewer .page {
    scroll-snap-align: center;
    scroll-snap-stop: always;

    flex: 0 0 100%;
    width: 100%;
    height: 100%;

    overflow-y: auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;

    display: flex;
    justify-content: center;
    align-items: flex-start;
    /*padding: 0 4px;*/

    overscroll-behavior: contain;
}

.pdf-viewer-container .pdf-viewer .canvasWrap {
    position: relative;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
    max-width: 100%;
}

.pdf-viewer-container .pdf-viewer canvas {
    display: block;
}

/* Toolbar */
.pdf-viewer-container .toolbar {
    flex: 0 0 auto;
    position: sticky;
    top: 50px;
    z-index: 50;
    min-height: var(--pdf-viewer-toolbar-h);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 10px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border-top: 1px solid #e8e8e8;
}
.pdf-viewer-container .toolbar button { padding: 8px 12px; }
.pdf-viewer-container .toolbar .hidden { display: none; }
.pdf-viewer-container .toolbar input[type="number"] { width: 76px; padding: 8px 10px; }
.pdf-viewer-container .toolbar .spacer { flex: 1; }
.pdf-viewer-container .toolbar .muted { color: #666; font-size: 12px; }

@media (max-width: 1199px) {
    .pdf-viewer-container .toolbar {
        top: unset;
        bottom: 0;
        order: 2;
    }

    .pdf-viewer-container {
        height: auto;
    }

    .pdf-viewer-container .pdf-viewer .page {
        overflow-x: hidden;
        overflow-y: hidden;
    }

    .pdf-viewer-container .pdf-viewer { padding: 8px 6px; gap: 8px; }
    .pdf-viewer-container .toolbar { padding: 8px; }
    .pdf-viewer-container .toolbar button { padding: 8px 10px; }

    .pdf-viewer-container .toolbar .hidden-mobile { display: none; }
}

/* Loader */
.pdf-viewer-container .loaderOverlay {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    inset: 0;
    z-index: 1100;
    display: none;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(6px);
}
.pdf-viewer-container .loaderOverlay.show {
    display: block;
}
.pdf-viewer-container .loaderCard {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(420px, calc(100vw - 32px));
    background: #fff;
    border: 1px solid #e8e8e8;
    box-shadow: 0 10px 40px rgba(0,0,0,.10);
    /*border-radius: 14px;*/
    padding: 18px 16px;
}
.pdf-viewer-container .loaderRow {
    display: flex;
    align-items: center;
    gap: 12px;
}
.pdf-viewer-container .spinner {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 3px solid #ddd;
    border-top-color: #111;
    animation: spin 0.8s linear infinite;
    flex: 0 0 auto;
}
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}
.pdf-viewer-container .loaderTitle {
    font-weight: 600;
}
.pdf-viewer-container .loaderSub {
    color: #666;
    font-size: 13px;
    margin-top: 4px;
}
.pdf-viewer-container .progress {
    margin-top: 12px;
    height: 10px;
    border-radius: 999px;
    background: #eee;
    overflow: hidden;
}
.pdf-viewer-container .progress > div {
    height: 100%;
    width: 0%;
    background: #111;
    transition: width 160ms linear;
}
.pdf-viewer-container .loaderError {
    margin-top: 10px;
    color: #b00020;
    font-size: 13px;
    display: none;
    white-space: pre-wrap;
}