/* Sepiabox visual identity (docs/architecture.md): colours and typefaces. Desktop first; phones only need to work. */

/* Typefaces are served from wwwroot/fonts (SIL Open Font License, see the OFL.txt files), not a font CDN (D-040). */
@font-face {
    font-family: "Bricolage Grotesque";
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url("fonts/bricolage-grotesque/bricolage-grotesque-latin-500-normal.woff2") format("woff2");
}

@font-face {
    font-family: "Bricolage Grotesque";
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("fonts/bricolage-grotesque/bricolage-grotesque-latin-700-normal.woff2") format("woff2");
}

@font-face {
    font-family: "Figtree";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("fonts/figtree/figtree-latin-400-normal.woff2") format("woff2");
}

@font-face {
    font-family: "Figtree";
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url("fonts/figtree/figtree-latin-500-normal.woff2") format("woff2");
}

@font-face {
    font-family: "Figtree";
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url("fonts/figtree/figtree-latin-600-normal.woff2") format("woff2");
}

@font-face {
    font-family: "IBM Plex Mono";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("fonts/ibm-plex-mono/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
}

@font-face {
    font-family: "IBM Plex Mono";
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url("fonts/ibm-plex-mono/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
}
/* The brand's colours by their names (docs/architecture.md): sepia is the brand, cyanotype the actions,
   developer (the darkest brown, as in photographic developer) the text, silver paper the background, mat the lines. */
:root {
    --sepia: #9a5a2c;
    --cyanotype: #1f4c74;
    --developer: #231a14;
    --silver-paper: #eeece7;
    --mat: #d8d1c6;
    --white: #ffffff;
    --font-display: "Bricolage Grotesque", system-ui, sans-serif;
    --font-body: "Figtree", system-ui, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--silver-paper);
    color: var(--developer);
    font-family: var(--font-body);
    line-height: 1.5;
}

a {
    color: var(--cyanotype);
}

h1, h2 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

h1:focus {
    outline: none;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.mono {
    font-family: var(--font-mono);
}

.muted {
    color: color-mix(in srgb, var(--developer) 65%, transparent);
}

.small {
    font-size: 0.875rem;
}

.top {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    background: var(--white);
    border-bottom: 1px solid var(--mat);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--developer);
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 700;
    text-decoration: none;
}

main {
    max-width: 1440px;
    margin: 0 auto;
    padding: 16px 24px 48px;
}

.month h2 {
    margin: 32px 0 12px;
    font-size: 1.25rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.thumb {
    position: relative;
    display: block;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--mat);
    border-radius: 2px;
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.thumb:focus-visible {
    outline: 3px solid var(--cyanotype);
    outline-offset: 2px;
}

.placeholder {
    display: grid;
    place-items: center;
    height: 100%;
    padding: 8px;
    font-size: 0.8rem;
    text-align: center;
}

.badge {
    position: absolute;
    right: 6px;
    bottom: 6px;
    padding: 1px 6px;
    background: var(--developer);
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    border-radius: 2px;
}

.play {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    /* The same brown, for browsers without color-mix. */
    background: rgb(35 26 20 / 0.7);
    background: color-mix(in srgb, var(--developer) 70%, transparent);
    color: var(--white);
    border-radius: 50%;
    pointer-events: none;
}

.play svg {
    fill: currentColor;
}

/* The filter bar (S-013): labelled selects in a row that wraps on narrow screens. */
.filters {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px 16px;
    margin: 8px 0 16px;
}

.filters label {
    display: grid;
    gap: 4px;
    font-size: 0.85rem;
}

.filters select,
.filters button {
    min-height: 36px;
    padding: 4px 8px;
    font: inherit;
    border: 1px solid var(--mat);
    border-radius: 2px;
    background: var(--white);
    color: var(--developer);
}

.filters input[type="search"] {
    min-height: 36px;
    min-width: 16rem;
    padding: 4px 8px;
    font: inherit;
    border: 1px solid var(--mat);
    border-radius: 2px;
}

.filters button {
    background: var(--cyanotype);
    border-color: var(--cyanotype);
    color: var(--white);
    cursor: pointer;
}

.filters .shortcut[aria-current="page"] {
    font-weight: 600;
}

.more {
    margin-top: 32px;
}

.pages {
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
}

.empty {
    margin-top: 48px;
}

.back {
    margin: 0 0 16px;
}

.detail {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
    gap: 32px;
    align-items: start;
}

.preview {
    margin: 0;
    background: var(--white);
    border: 1px solid var(--mat);
    min-height: 240px;
}

.preview img,
.preview video {
    display: block;
    width: 100%;
    height: auto;
}

.preview video {
    max-height: 80vh;
    background: var(--developer);
}

.player-error {
    margin: 0;
    padding: 12px 16px;
    font-weight: 600;
}

.player-error:empty {
    display: none;
}

.processing {
    margin: 0;
    padding: 16px;
    font-weight: 600;
}

.facts h1 {
    margin-top: 0;
    font-size: 1.5rem;
}

.facts h2 {
    font-size: 1.05rem;
    margin-top: 24px;
}

.facts dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 16px;
}

.facts dt {
    font-weight: 600;
}

.facts dd {
    margin: 0;
}

.sources {
    padding-left: 18px;
    word-break: break-all;
}

.source-name {
    font-weight: 600;
}

.button {
    display: inline-block;
    padding: 8px 16px;
    background: var(--cyanotype);
    color: var(--white);
    text-decoration: none;
    border: 0;
    border-radius: 4px;
    font: inherit;
    cursor: pointer;
}

.top-end {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: auto;
}

.user {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.sign-out {
    margin: 0;
}

.language {
    display: flex;
    gap: 4px;
    margin: 0;
}

.language button {
    padding: 4px 8px;
    background: none;
    color: var(--cyanotype);
    border: 1px solid transparent;
    border-radius: 4px;
    font: inherit;
    font-size: 0.875rem;
    cursor: pointer;
}

.language button[aria-pressed="true"] {
    color: var(--developer);
    border-color: var(--mat);
    cursor: default;
}

.sign-out button {
    padding: 4px 12px;
    background: none;
    color: var(--cyanotype);
    border: 1px solid var(--mat);
    border-radius: 4px;
    font: inherit;
    cursor: pointer;
}

.auth {
    max-width: 420px;
    margin: 48px auto;
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--mat);
    border-radius: 4px;
}

.auth .providers {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth .providers .sign-out {
    margin: 0;
}

.dev-login {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dev-login input {
    padding: 8px;
    font: inherit;
    border: 1px solid var(--mat);
    border-radius: 4px;
}

@media (max-width: 800px) {
    .detail {
        grid-template-columns: 1fr;
    }

    main {
        padding: 12px 16px 32px;
    }
}

.error {
    padding: 8px 12px;
    color: var(--sepia);
    border: 1px solid var(--sepia);
    border-radius: 4px;
}