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

:root {
    --hue: 223;
    --bg: hsl(var(--hue), 10%, 90%);
    --fg: hsl(var(--hue), 10%, 10%);
    --row-01-height: 300px;
    /* font-size: calc(16px + (24 - 16) * (100vw - 320px) / (1280 - 320)); */
}

body {
    font-family: sans-serif;
    background-color: var(--bg);
    min-height: calc(100dvh + 0px);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: var(--row-01-height) calc(var(--row-01-height) * 0.5) auto;
    gap: 1rem;
    margin: 4rem 1rem 100px;
    /* place-items: center; */
    /* margin-bottom: calc(90px + 20px); */
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    z-index: 999;
    background: var(--bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

nav a {
    line-height: 3;
    padding: 0 1rem;
    color: var(--fg);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease-in-out;
}

/* div:not(.flipdown):not(.rotor-group) {
    border: 2px solid black;
    border-radius: 20px;
    overflow: hidden;
} */
#featured-image {
    grid-column: 1 / -1;
}

#featured-image img {
    display: flex;
    /* height: calc((100vh - 80px) / 3); */
    width: 100%;
    height: var(--row-01-height);
    object-fit: cover;
    transition: all 0.5s ease-in;
    translate: 0 0;
    scale: 1;
    filter: grayscale(0);
    opacity: 1;
}

#featured-image img.fade-out {
    translate: 0 -100%;
    scale: 0.24;
    filter: grayscale(1);
    opacity: 0.24;
}

[id^="clock"] {
    grid-column: span 2;
}

[id^="met"] {
    grid-column: span 2;
}

#bbc {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
}

#aln {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
}

#bbc header {
    background: #990000;
}

.news-feed header {
    display: flex;
    background: #4a525a;
    color: white;
}

.news-feed header h2 {
    align-self: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-feed header img {
    width: 48px;
    object-fit: cover;
}

.news-feed section {
    padding: 1rem;
}

.news-feed section a {
    font-size: 1rem;
    line-height: 1.6;
    border-bottom: 1px solid currentColor;
    margin: 0 0 0.5em 0;
    display: block;
    text-decoration: none;
    color: black;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.5s ease-in-out;
}

.news-feed section a:visited {
    color: gray;
}

.news-feed section a:hover {
    background: whitesmoke;
}

#countdown {
    /* grid-column: 3 / -1; */
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    justify-content: center;
}

#countdown #flipdown {
    width: auto;
    height: auto;
}

.rotor-group-heading {
    display: none;
}

/* .flipdown {
    display: flex;
    gap: 10px;

    width: auto;
    height: auto;
} */
/* .flipdown .rotor-group {
    padding: 0;
} */
/* .flipdown .rotor-group::before,
.flipdown .rotor-group::after {
    display: none;
} */
/* .flipdown .rotor {
    margin: 0;
} */
.progClock {
    display: grid;
    justify-content: center;
    align-content: center;
    position: relative;
    text-align: center;
    grid-row: span 1;
    /* background: lightblue; */
    /* width: 16em; */
    /* height: 16em; */
    font-size: clamp(12px, 1.5vw, 16px);
}

.progClock button {
    font-size: inherit;
}

.progClock-flag {
    grid-column: 3 / 4;
}

.progClock__time-date,
.progClock__time-digit,
.progClock__time-colon,
.progClock__time-ampm {
    transition: color 0.2s linear;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

.progClock__time-date,
.progClock__time-digit {
    background: transparent;
}

.progClock__time-date,
.progClock__time-ampm {
    grid-column: 1 / 6;
}

.progClock__time-date {
    /* font-size: 0.75em; */
    line-height: 1.33;
}

.progClock__time-digit,
.progClock__time-colon {
    /* font-size: 2em; */
    font-weight: 400;
    grid-row: 2;
}

.progClock__time-colon {
    line-height: 1.275;
}

.progClock__time-ampm {
    cursor: default;
    grid-row: 3;
}

.progClock__rings {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.progClock__ring {
    opacity: 0.1;
}

.progClock__ring-fill {
    transition: opacity 0s 0.3s linear, stroke-dashoffset 0.3s ease-in-out;
}

.progClock__ring-fill--360 {
    opacity: 0;
    stroke-dashoffset: 0;
    transition-duration: 0.3s;
}

[data-group]:focus {
    outline: transparent;
}

[data-units] {
    transition: opacity 0.2s linear;
}

[data-group="d"]:focus,
[data-group="d"]:hover {
    color: rgb(253, 41, 20);
}

[data-group="h"]:focus,
[data-group="h"]:hover {
    color: rgb(51, 53, 65);
}

[data-group="m"]:focus,
[data-group="m"]:hover {
    color: rgb(92, 184, 92);
}

[data-group="s"]:focus,
[data-group="s"]:hover {
    color: rgb(249, 187, 4);
}

[data-group]:focus~.progClock__rings [data-units],
[data-group]:hover~.progClock__rings [data-units] {
    opacity: 0.2;
}

[data-group="d"]:focus~.progClock__rings [data-units="d"],
[data-group="d"]:hover~.progClock__rings [data-units="d"],
[data-group="h"]:focus~.progClock__rings [data-units="h"],
[data-group="h"]:hover~.progClock__rings [data-units="h"],
[data-group="m"]:focus~.progClock__rings [data-units="m"],
[data-group="m"]:hover~.progClock__rings [data-units="m"],
[data-group="s"]:focus~.progClock__rings [data-units="s"],
[data-group="s"]:hover~.progClock__rings [data-units="s"] {
    opacity: 1;
}

@media screen and (min-width: 768px) {

    /* setup multi-columns */
    #featured-image {
        grid-column: 1 / 3;
    }

    [id^="clock"] {
        grid-column: span 1;
    }

    [id^="met"] {
        grid-column: span 1;
    }

    #bbc {
        grid-column: 1 / 3;
        display: flex;
        flex-direction: column;
    }

    #aln {
        grid-column: 3 / -1;
        display: flex;
        flex-direction: column;
    }
}

@media (orientation: landscape) {
    body {
        /* transform: scale(1.4); */
    }

    .flipdown {
        flex-direction: row;
    }
}

@media (orientation: portrait) {
    body {
        /* transform: scale(2.2); */
    }

    .flipdown {
        flex-direction: column;
    }
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: hsl(var(--hue), 10%, 10%);
        --fg: hsl(var(--hue), 10%, 90%);
    }

    :is(*, .news-feed section a) {
        color: var(--fg);
    }

    .progClock__ring {
        opacity: 0.2;
    }
}