@media print {
    body * { display: none !important; }
}

img {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.viewer-page {
    display: flex;
    align-items: flex-start;
    width: 100%;
    max-width: 960px;
    margin: 0 auto 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.page-label {
    flex-shrink: 0;
    width: 60px;
    text-align: center;
    font-size: 28px;
    font-weight: 600;
    color: #6b7280;
    font-variant-numeric: tabular-nums;
    margin-right: 12px;
    padding-top: 2px;
}

.page-content {
    position: relative;
    flex: 1;
    min-width: 0;
    min-height: 200px;
}

.page-content img {
    width: 100%;
    height: auto;
    display: block;
}

.skeleton {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.watermark-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
}