:root {
    --peach: oklch(0.83 0.1014 52.64);
    --buff: oklch(0.76 0.0693 43.99);
    --chinese-violet: oklch(0.58 0.0848 331.04);
    --delft-blue: oklch(0.35 0.0978 283.97);
    --raisin-black: oklch(0.2 0.0299 289.47);
    --transparent: rgba(0, 0, 0, 0);
}

body {
    background: linear-gradient(
        160deg,
        var(--peach) 0%,
        var(--buff) 20%,
        var(--chinese-violet) 40%,
        var(--delft-blue) 60%,
        var(--raisin-black) 80%
    );
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

footer {
    position: fixed;
    margin-bottom: 2rem;
    bottom: 0;
    display: inline-block;
    text-align: center;
    padding: 1rem 2rem;
    color: white;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    background: color-mix(in oklab, var(--raisin-black) 5%, var(--transparent));
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.17);
    border-radius: 9999px;
    left: 50%;
    transform: translate(-50%, 150%);
}

footer.show {
    transform: translate(-50%, 0);
}

.container {
    padding: 3rem;
    text-align: center;
    background: color-mix(
        in oklab,
        var(--chinese-violet) 5%,
        var(--transparent)
    );
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.17);
}

h1 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-family: sans-serif;
}

#countdown {
    color: white;
    font-size: 1.8rem;
    font-family: monospace;
}

#countdown span {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    margin: 0 0.2rem;
    font-weight: bold;
}