.yt-mask-layer {
    position: absolute;
    width: var(--yt-mask-width); height: var(--yt-mask-height);
    top: var(--yt-mask-top); left: var(--yt-mask-left);
    pointer-events: none; display: none;
}
.completed {
    text-decoration: line-through; text-decoration-color: #ff0000; opacity: 0.8 !important;
}
.jumping-text {
    position: absolute; 
    top: 82%;
    width: 100%; 
    text-align: center; 
    color: #ff3333;
    font-size: 1.8vw;
    z-index: 200; 
    pointer-events: auto; 
    cursor: pointer;
    text-shadow: 0 0 5px rgba(255, 51, 51, 0.5);
}
.jumping-text span { 
    display: inline-block; 
    animation: jump 2.0s infinite; 
}
@keyframes jump { 
    0%, 100% { transform: translateY(0); } 
    50% { transform: translateY(-3px); }
}

.cipher-flash {
    font-family: monospace;
    color: #ff1111;
    font-size: 2vw;
    font-weight: bold;
    text-shadow: 0 0 10px #ff0000;
    animation: rapid-flicker 0.15s infinite alternate;
}

@keyframes rapid-flicker {
    0% { opacity: 0.3; }
    100% { opacity: 1; }
}