.view-panel {
    display: none;
    opacity: 0;
}

.view-panel.active {
    display: flex;
    opacity: 1;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

/* Centre the overlay guide inside the camera box */
#camera-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Passport overlay — wider rectangle */
.overlay-passport {
    width: 80%;
    height: 60%;
    border-radius: 12px;
}

/* ID card overlay — credit-card aspect ratio */
.overlay-id {
    width: 75%;
    height: 50%;
    border-radius: 12px;
}

@keyframes scanLineAnim {
    0%, 100% { top: 20%; }
    50% { top: 75%; }
}

/* Scan line glow */
#scan-line {
    box-shadow: 0 0 8px 2px currentColor;
    pointer-events: none;
    animation: scanLineAnim 2s ease-in-out infinite;
}