:root {
    --d-blue: #54b8b2;
    --d-green: #b0d131;
    --d-orange: #f3783b;
    --d-dark-blue: #2595ae;
    --d-light-blue: #c7e7e6;
    --bg-dark: #051014;
}

* {
    margin: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--d-blue);
    font-family: monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#container {
    text-align: center;
    padding: 3rem 5rem;
    background-color: rgba(37, 149, 174, 0.1);
    border: var(--d-dark-blue) solid 2px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

#container:hover {
    border-color: var(--d-blue);
    box-shadow: 0 0 20px rgba(84, 184, 178, 0.2);
}

#date {
    font-size: 2.5rem;
    color: var(--d-light-blue);
    margin-bottom: 10px;
}

#time {
    font-size: 6rem;
    font-weight: bold;
    font-variant-numeric: tabular-nums; 
}

.bottom-btn {
    position: fixed;
    bottom: 20px;
    background: transparent;
    color: var(--d-blue);
    border: 2px solid var(--d-blue);
    border-radius: 8px;
    padding: 10px 15px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: 0.3s;
}

.bottom-btn:hover {
    background: var(--d-blue);
    color: var(--bg-dark);
}

#fullscreen-btn {
    right: 20px;
}

#home-btn {
    left: 20px;
    text-decoration: none;
    display: inline-block;
    line-height: 1;
}