body {
    background-color: black;
    color: #00ff00; /* Classic Terminal Green */
    font-family: "Courier New", Courier, monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

main {
    text-align: center;
}

.octogram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 2rem;
}

.line {
    height: 6px;
    width: 60px;
    background-color: #00ff00;
    box-shadow: 0 0 10px #00ff00, 0 0 20px #00ff00;
}

.one {
    background-color: transparent;
    box-shadow: none;
    display: flex;
    justify-content: space-between;
}

.one::before, .one::after {
    content: "";
    height: 100%;
    width: 45%;
    background-color: #00ff00;
    box-shadow: 0 0 10px #00ff00, 0 0 20px #00ff00;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.nickname-container {
    font-size: 1.5rem;
    min-height: 1.6em;
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}