:root {
    --primary-color: #00fff2;
    --panel-background-color: rgba(20, 20, 20, 0.9);
}

.cyber-panel {
    background-color: var(--panel-background-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 0 30px rgba(0, 255, 242, 0.5);
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

.cyber-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 20px,
        rgba(0, 255, 242, 0.3) 20px,
        rgba(0, 255, 242, 0.3) 40px
    );
    animation: scan 5s linear infinite;
    z-index: -1;
}

@keyframes scan {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

h1 {
    font-size: 2.5em;
    margin-bottom: 30px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}