:root {
    --main-color: #3498db;
}

body {
    background-color: #101010;
    color: #e0e0e0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
        "Segoe UI Symbol";
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    height: 100vh;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.container {
    text-align: center;
    width: 100%;
    max-width: 600px;
    padding: 10vh 20px 0;
}

.timer {
    margin: 40px 0;
    background-color: #191919;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.title {
    font-size: 28px;
    margin: 2px 0 14px 0;
    color: var(--main-color);
}

.countdown {
    display: flex;
    justify-content: center;
    align-items: baseline;
}

.countdown-main {
    width: 280px;
    text-align: right;
    margin-right: 15px;
}

.countdown-main .days {
    font-size: 72px;
    font-weight: bold;
    color: var(--main-color);
}

.countdown-secondary {
    width: 220px;
    text-align: left;
}

.countdown-secondary .time-unit {
    font-size: 36px;
    color: #9e9e9e;
}

.expired {
    font-size: 1.8em !important;
    font-weight: 700 !important;
}

strong {
    color: #ffffff;
}

@media (max-width: 600px) {
    body {
        background-color: #000000;
        padding-top: 4vh;
    }

    .container {
        padding-top: 4vh;
    }

    .timer {
        padding: 19px;
        margin: 28px 0;
    }

    .title {
        font-size: 18px;
    }

    .countdown-main {
        width: 200px;
        margin-right: 10px;
    }

    .countdown-main .days {
        font-size: 48px;
    }

    .countdown-secondary {
        width: 150px;
    }

    .countdown-secondary .time-unit {
        font-size: 24px;
    }
}