/* Components — custom element styling.
 * Each custom tag gets its visual treatment here.
 */

card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1em;
    margin: 1em 0;
    width: 90vw;
    max-width: 1200px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

post-card {
    display: flex;
    position: relative;
    background-color: var(--tertiary);
    border: 1px solid var(--accent-alt);
    border-radius: 0.9em;
    height: 7rem;
    overflow: hidden;
    transition: border-color 150ms;
    box-shadow:
        inset 0pt  1pt  1pt -1pt rgba(255,255,255,0.5),
        inset 0pt -9pt 15pt -3pt rgba(0,0,0,0.1),
              0pt  0pt  4pt -1pt rgba(0,0,0,0.1),
              0pt 10pt 15pt -3pt rgba(0,0,0,0.1);
}

/* FIXME-WORKAROUND: centers a lone card in the 3-column grid */
post-card:only-child {
    grid-column: 2;
}

post-card:hover {
    border-color: var(--accent-ui);
}

card-thumb {
    display: block;
    height: 100%;
    aspect-ratio: 1;

    flex-shrink: 0;
    border-radius: 0.5em 0 0 0.5em;
    overflow: hidden;
    border-right: 1pt solid rgba(128, 128, 128, 0.1);
}

card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

card-thumb[data-placeholder] {
    background: repeating-linear-gradient(
        -45deg,
        var(--tertiary),
        var(--tertiary) 10pt,
        var(--quaternary) 10pt,
        var(--quaternary) 20pt
    );
}

card-info {
    display: flex;
    flex-direction: column;
    padding: 0.7em;
    min-width: 0;
    gap: 0.2em;
    flex: 1;
    justify-content: flex-start;

}

card-info strong {
    font-size: 0.95em;
    line-height: 1.3;
}

card-info small {
    color: var(--secondary);
    font-size: 0.75em;
}

draft-badge {
    position: absolute;
    bottom: 0.4em;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7em;
    color: var(--base);
    background-color: var(--accent-ui);
    padding: 0.1em 0.4em;
    border-radius: 0.2em;
    font-weight: 600;
}

/* Post meta — date & tags below title */

post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5em;
    font-family: var(--font-sans);
}

post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4em;
}

post-tag a,
post-tag a:visited {
    display: inline-block;
    padding: 0.15em 0.6em;
    border-radius: 1em;
    background-color: var(--tertiary);
    border: 1px solid var(--accent-alt);
    color: var(--secondary);
    text-decoration: underline;
    text-decoration-color: transparent;
    font-size: 0.8em;
}

post-tag a:hover {
    text-decoration-color: currentColor;
}

post-meta > time {
    font-size: 0.85em;
    color: var(--secondary);
    white-space: nowrap;
}

word-count {
    font-size: 0.8em;
    color: var(--secondary);
    white-space: nowrap;
}

@media (min-width: 801px) {
    article header {
        position: relative;
    }

    article header post-meta > time {
        position: absolute;
        right: calc(100% + 2ch);
        top: 2.5em;
    }
}

/* Bulletin board */

bulletin_board {
    display: flex;
    justify-content: left;
    align-items: left;
    flex-direction: column;
}

bulletin_board_entry {
    padding: 0.4em 0.5em;
    border-radius: 0.3em;
    background-color: var(--tertiary);
    border-top: 1px solid var(--accent-alt);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
}

bulletin_board_entry:nth-child(2n) {
    background-color: oklch(from var(--base) calc(l + 0.03) c h);
}

bulletin_board_entry_details {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    min-width: 30%;
    color: var(--secondary);
    font-size: 0.8em;
    font-family: var(--font-sans);
    gap: 1em;
}

bulletin_board_entry_details span:last-child {
    text-align: right;
    white-space: nowrap;
}

@media (max-width: 600px) {
    bulletin_board_entry {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3em;
    }

    bulletin_board_entry_details {
        flex-direction: column;
        gap: 0.2em;
    }
}

@media (max-width: 1000px) {
    card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    card-grid {
        grid-template-columns: 1fr;
        width: 100%;
        left: 0;
        transform: none;
        padding: 0;
    }
}


/* Sidenote ref */

sup[data-sn] {
    color: var(--secondary);
}

aside[data-sn]::before {
    content: attr(data-sn);
    font-size: 0.7em;
    color: var(--secondary);
    margin-right: 0.3em;
    vertical-align: super;
}

/* Tweet */

tweet-card {
    display: block;
    background-color: var(--tertiary);
    border: 1px solid var(--accent-alt);
    border-radius: 0.9em;
    padding: 0.6em;
    margin: 0   0  0.5em 0;
    font-family: var(--font-sans);
    box-shadow:
        inset 0pt  1pt  1pt -1pt rgba(255,255,255,0.5),
        inset 0pt -9pt 15pt -3pt rgba(0,0,0,0.1),
              0pt  0pt  4pt -1pt rgba(0,0,0,0.1),
              0pt 10pt 15pt -3pt rgba(0,0,0,0.1);
}

tweet-card {
    outline: 2px solid transparent;
    outline-offset: 2px;
    transition: outline-color 0.15s;
}

tweet-header {
    display: flex;
    align-items: center;
    gap: 0.6em;
    margin-bottom: 0.6em;
}

tweet-header img {
    width: 2.5em;
    height: 2.5em;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

tweet-author {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    line-height: 1.3;
}

tweet-author span {
    color: var(--secondary);
    font-size: 0.85em;
}

tweet-meta {
    display: flex;
    flex-direction: column;
    margin-left: auto;
    text-align: right;
    line-height: 1.3;
}

tweet-meta a,
tweet-meta a:visited {
    color: var(--secondary);
    font-size: 0.8em;
    white-space: nowrap;
}

tweet-meta span {
    color: var(--secondary);
    font-size: 0.75em;
}

tweet-body {
    display: block;
    line-height: 1.5;
    font-size: 0.85em;
}

tweet-card[data-thread] tweet-body + tweet-body {
    border-top: 1px dashed oklch(from var(--tertiary) calc(l + 0.18) c h);
    margin-top: 0.4em;
    padding-top: 0.4em;
}

tweet-card details {
    background-color: var(--tertiary);
    border-color: oklch(from var(--tertiary) calc(l - 0.08) c h);
    font-size: 0.9em;
    margin-inline: -1em;
    padding-inline: 1em;
    border-radius: 0;
}

tweet-card details[open] {
    background-color: var(--tertiary);
}

tweet-card summary {
    font-weight: normal;
    font-size: 0.7em;
}

/* hero */

hero {
    grid-column: full;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 25rem;
    z-index: 0;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent);
    mask-image:
        linear-gradient(to bottom, black 50%, transparent);
    transition: background 0.6s ease;
}

article > *:not(hero) {
    position: relative;
    z-index: 1;
}