:root {
    --base03: #002b36;
    --base01: #586e75;
    --base0:  #839496;
}

body {
    background-color: var(--base03);
    color: var(--base0);
    font-family: 'Courier New', Courier, monospace;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

.container {
    text-align: center;
}

#countdown {
    display: flex;
    gap: 3.5rem;
    justify-content: center;
}

.time-group {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.number {
    font-size: 9rem;
    font-weight: bold;
    line-height: 1;
}

.label {
    color: var(--base01);
    font-size: 1.2rem;
    text-transform: uppercase;
    margin-top: 1rem;
    letter-spacing: 4px;
}

@media (max-width: 768px) {
    #countdown { gap: 1.2rem; }
    .number { font-size: 3.2rem; }
    .label { font-size: 0.7rem; letter-spacing: 2px; }
}