/* Historical /files archive: an editorial catalogue, not a directory listing. */
.files-archive-intro,
.files-archive-description {
    max-width: 760px;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.82em;
    line-height: 1.55;
}

#content ul.files-archive-index {
    display: grid;
    max-width: var(--text-width);
    margin: 2.4rem 0 0;
    padding: 0;
    grid-template-columns: minmax(11rem, 0.7fr) minmax(18rem, 1.8fr);
    column-gap: clamp(1.5rem, 4vw, 4rem);
    row-gap: 1.05rem;
    list-style: none;
}

#content .files-archive-index li {
    display: contents;
}

.files-archive-name {
    align-self: baseline;
    font-family: var(--ui-font);
    font-size: 0.78em;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.files-archive-summary {
    align-self: baseline;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.72em;
    line-height: 1.5;
}

.files-archive-document {
    max-width: var(--text-width);
}

.files-archive-inactive-demo,
.files-archive-omission {
    max-width: 760px;
    margin: 1.5rem 0 0;
    padding: 0.9rem 1rem;
    border-radius: 5px;
    background: var(--surface-background);
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.76em;
    line-height: 1.55;
}

.files-archive-inactive-demo strong {
    color: var(--text-color);
}

.files-archive-magic-screen-demo {
    width: min(100%, 562px);
    margin-top: 1.5rem;
}

#content .files-archive-magic-screen-lead {
    margin: 0 0 0.7rem;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.76rem;
    line-height: 1.45;
}

.files-archive-magic-screen {
    position: relative;
    width: 100%;
    aspect-ratio: 562 / 400;
    overflow: hidden;
    border-radius: min(5.35vw, 30px);
    background: radial-gradient(ellipse at center, #a90329 0%, #8f0222 44%, #6d0019 100%);
    box-shadow:
        inset 0 0 0 1px rgb(70 0 18 / 18%),
        0 0.4rem 1.2rem rgb(0 0 0 / 12%);
    color: #ffd65e;
    font-family: Georgia, 'Times New Roman', serif;
}

#content .files-archive-magic-screen-canvas {
    position: absolute;
    top: 5.75%;
    left: 4.1%;
    display: block;
    width: 90.75%;
    max-width: none;
    height: 75%;
    margin: 0;
    border: 0;
    border-radius: 0;
    background: #e8e9e3;
    box-shadow: inset 0 0 0 1px rgb(70 0 18 / 20%);
    cursor: crosshair;
    image-rendering: auto;
    touch-action: none;
}

.files-archive-magic-screen-canvas:focus-visible {
    outline: 2px solid #ffd65e;
    outline-offset: 2px;
}

.files-archive-magic-screen-label {
    position: absolute;
    bottom: 3.6%;
    left: 50%;
    width: 56%;
    transform: translateX(-50%);
    font-size: clamp(0.62rem, 3.55vw, 1rem);
    font-style: italic;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
}

.files-archive-magic-screen-knob {
    position: absolute;
    bottom: 1.7%;
    width: 9%;
    aspect-ratio: 1;
    margin: 0;
    padding: 0;
    border: 1px dotted #a90329;
    border-radius: 50%;
    background: radial-gradient(circle, #fff 0%, #f1f1f1 38%, #e1e1e1 66%, #f6f6f6 100%);
    box-shadow: 0 0.12rem 0.35rem rgb(0 0 0 / 28%);
    cursor: pointer;
}

.files-archive-magic-screen-knob:is(:hover, :focus-visible) {
    border-color: #ffd65e;
    outline: none;
    box-shadow: 0 0 0 2px rgb(255 214 94 / 42%), 0 0.12rem 0.35rem rgb(0 0 0 / 28%);
}

.files-archive-magic-screen-knob:active {
    transform: rotate(14deg) scale(0.96);
}

.files-archive-magic-screen-knob.is-left {
    left: 3.55%;
}

.files-archive-magic-screen-knob.is-right {
    right: 0.35%;
}

.files-archive-magic-screen-demo .files-archive-demo-note {
    margin: 0.65rem 0 0;
}

.files-archive-purecss-image-demo {
    display: flex;
    max-width: 760px;
    margin: 1.5rem 0 0;
    gap: clamp(1rem, 3vw, 2rem);
    align-items: center;
}

.files-archive-purecss-image-stage {
    display: grid;
    width: 292px;
    height: 292px;
    flex: 0 0 auto;
    overflow: hidden;
    border-radius: 5px;
    background: #fff;
    box-shadow: inset 0 0 0 1px rgb(0 0 0 / 10%);
    place-items: center;
}

#content .files-archive-purecss-image-frame {
    display: block;
    width: 73px;
    max-width: none;
    height: 73px;
    margin: 0;
    border: 0;
    background: #fff;
    transform: scale(4);
    transform-origin: center;
}

.files-archive-purecss-image-demo figcaption {
    display: grid;
    margin: 0;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.76rem;
    line-height: 1.55;
    gap: 0.55rem;
}

.files-archive-purecss-image-demo figcaption strong {
    color: var(--text-color);
    font-size: 1.05em;
}

.files-archive-purecss-image-demo figcaption span {
    display: block;
}

.files-archive-purecss-image-demo figcaption a {
    justify-self: start;
}

.files-archive-unicode-clock-demo {
    display: flex;
    max-width: 760px;
    margin: 1.5rem 0 0;
    gap: clamp(1rem, 3vw, 2rem);
    align-items: center;
}

.files-archive-unicode-clock-stage {
    display: grid;
    width: 180px;
    aspect-ratio: 1;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--surface-background);
    place-items: center;
}

.files-archive-unicode-clock {
    display: block;
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', sans-serif;
    font-size: 5.5rem;
    line-height: 1;
    transform-origin: center;
    user-select: none;
}

.files-archive-unicode-clock-demo .files-archive-demo-note {
    margin: 0;
}

#content pre.files-archive-figlet-sample {
    width: max-content;
    max-width: 100%;
    margin: 1.4rem auto;
    padding: 0;
    overflow-x: auto;
    overflow-y: hidden;
    border-radius: 0;
    background: transparent;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
    font-size: clamp(11px, 1.2vw, 15px);
    font-variant-ligatures: none;
    font-weight: 400;
    letter-spacing: 0;
    line-height: 1.05;
    text-align: left;
    white-space: pre;
}

#content pre.files-archive-figlet-sample code {
    font: inherit;
}

@media (max-width: 640px) {
    .files-archive-purecss-image-demo,
    .files-archive-unicode-clock-demo {
        align-items: flex-start;
        flex-direction: column;
    }

    .files-archive-purecss-image-stage {
        width: 219px;
        height: 219px;
    }

    #content .files-archive-purecss-image-frame {
        transform: scale(3);
    }
}

.files-archive-jar-demo {
    display: flex;
    margin: 1.5rem 0 0;
    flex-wrap: wrap;
    gap: clamp(1rem, 2vw, 1.75rem);
    align-items: flex-start;
}

.files-archive-jar-demo figure {
    margin: 0;
}

/* System 1 deliberately desaturates the whole page. This historical experiment must be able to
   reveal its colour, so suspend that page-level effect only while this demonstration is present. */
html:has(.files-archive-gray-demo) {
    filter: grayscale(0);
}

#content .files-archive-gray-intro {
    max-width: 760px;
    margin: 1.4rem 0 0;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.78rem;
    line-height: 1.5;
}

.files-archive-gray-demo {
    display: grid;
    width: min(100%, 820px);
    margin: 1.2rem 0 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(0.9rem, 2vw, 1.5rem);
}

#content .files-archive-gray-demo figure {
    min-width: 0;
    margin: 0;
}

#content .files-archive-gray-image,
#content .files-archive-gray-svg {
    display: block;
    width: 100%;
    height: auto;
    margin: 0;
    box-sizing: border-box;
    cursor: pointer;
}

#content .files-archive-gray-image {
    filter: grayscale(1);
    transition: filter 140ms ease;
}

#content .files-archive-gray-image:is(:hover, :focus) {
    filter: none;
}

#content .files-archive-gray-svg image {
    transition: filter 140ms ease;
}

#content .files-archive-gray-svg:is(:hover, :focus) image {
    filter: none;
}

#content .files-archive-gray-image:focus-visible,
#content .files-archive-gray-svg:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 3px;
}

.files-archive-gray-demo figcaption,
.files-archive-jar-demo figcaption,
.files-archive-demo-note {
    margin-top: 0.4rem;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.72rem;
    line-height: 1.45;
}

@media (max-width: 38rem) {
    .files-archive-gray-demo {
        grid-template-columns: minmax(0, 1fr);
    }
}

.files-archive-jar-demo img {
    display: block;
    width: 100px;
    height: 100px;
    margin: 0;
}

.files-archive-demo-note {
    max-width: 36rem;
}

.files-archive-tennis-demo {
    width: min(100%, 760px);
    margin: 1.5rem 0 0;
}

#content .files-archive-tennis-instruction {
    max-width: 36rem;
    margin: 0 0 0.8rem;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.76rem;
    line-height: 1.5;
}

.files-archive-tennis-court {
    position: relative;
    display: grid;
    overflow: hidden;
    width: min(100%, 34rem);
    aspect-ratio: 17 / 9;
    border: 4px double #eaf7ff;
    box-sizing: border-box;
    grid-template-columns: repeat(16, minmax(0, 1fr));
    background: radial-gradient(ellipse at center, #f0f9ff 0%, #cbeaff 57%, #91d0f4 100%);
    box-shadow: inset 0 0 0 1px rgb(0 63 92 / 12%);
    user-select: none;
}

.files-archive-tennis-court::before {
    position: absolute;
    z-index: 0;
    top: 50%;
    right: 0;
    left: 0;
    border-top: 1px solid rgb(255 255 255 / 58%);
    content: "";
}

.files-archive-tennis-zone {
    position: relative;
    z-index: 2;
    min-width: 0;
    cursor: pointer;
    outline: none;
}

.files-archive-tennis-zone::after {
    position: absolute;
    top: 0.65rem;
    left: 50%;
    width: clamp(1.1rem, 7.5vw, 2.35rem);
    height: 0.42rem;
    border-radius: 999px;
    background: radial-gradient(ellipse at center, #fff 0%, #003f5c 100%);
    box-shadow: 0 0.45rem 0.55rem rgb(50 50 50 / 42%);
    content: "";
    opacity: 0;
    transform: translateX(-50%);
    transition: opacity 80ms ease;
}

.files-archive-tennis-zone:nth-child(16)::after,
.files-archive-tennis-zone:is(:hover, :focus-visible)::after {
    opacity: 1;
}

.files-archive-tennis-zone:is(:hover, :focus) ~ .files-archive-tennis-zone::after {
    opacity: 0;
}

.files-archive-tennis-zone:focus-visible {
    box-shadow: inset 0 0 0 2px rgb(0 71 105 / 42%);
}

.files-archive-tennis-ball {
    position: absolute;
    z-index: 3;
    top: 93%;
    left: 50%;
    width: 0.72rem;
    height: 0.72rem;
    border: 1px solid rgb(0 0 120 / 26%);
    border-top: 0;
    border-left: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 28%, #fff 0%, #8ec8df 42%, #004769 100%);
    box-shadow: 0 0.24rem 0.26rem rgb(50 50 50 / 42%);
    transform: translate(-50%, -50%);
    animation: files-archive-tennis-ball 2.5s linear infinite;
}

@keyframes files-archive-tennis-ball {
    0%,
    50%,
    100% {
        top: 93%;
        left: 50%;
    }

    25% {
        top: 18%;
        left: 6%;
    }

    75% {
        top: 18%;
        left: 94%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .files-archive-tennis-ball {
        top: 72%;
        animation: none;
    }
}

.files-archive-unicode-picture {
    display: flow-root;
    overflow: hidden;
    width: 80px;
    height: 80px;
    margin: 1.5rem 0 2rem;
    padding: 8px;
    box-sizing: content-box;
    background: #fff;
    box-shadow: 0 0 0 1px rgb(0 0 0 / 12%);
    color: #000;
    font: 700 1px/1px AppleColorEmoji, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI", sans-serif;
}

.files-archive-unicode-picture > b {
    display: block;
    float: left;
    width: 1px;
    height: 1px;
    margin: 0;
    padding: 0;
    font: inherit;
}

.files-archive-unicode-picture > b:nth-child(80n + 1) {
    clear: left;
}

.files-archive-gangnam-result {
    display: grid;
    width: min(100%, 760px);
    margin: 1.75rem 0 2rem;
    grid-template-columns: max-content minmax(0, 1fr);
    gap: clamp(1.25rem, 4vw, 3rem);
    align-items: end;
}

.files-archive-gangnam-result img {
    display: block;
    width: 220px;
    max-width: 100%;
    height: auto;
    margin: 0;
    box-sizing: content-box;
    background: #000;
}

#content .files-archive-gangnam-result figcaption {
    display: grid;
    margin: 0 0 0.2rem;
    gap: 0.35rem;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.76rem;
    line-height: 1.5;
}

.files-archive-gangnam-result figcaption strong {
    color: var(--text-color);
    font-size: 0.82rem;
}

@media (max-width: 36rem) {
    .files-archive-gangnam-result {
        grid-template-columns: minmax(0, 1fr);
        align-items: start;
    }
}

.files-archive-maze-demo {
    width: min(100%, var(--text-width));
    margin-top: 1.5rem;
}

.files-archive-maze-preview {
    display: grid;
    min-height: clamp(20rem, 42vw, 28rem);
    padding: clamp(1.25rem, 4vw, 3rem);
    place-items: center;
    overflow: hidden;
    border-radius: 10px;
    background-color: #36f;
    background-repeat: repeat;
    background-size: 99px 96px;
    box-shadow: inset 0 0 0 1px color-mix(in srgb, #068 68%, transparent);
}

.files-archive-maze-card {
    display: grid;
    width: min(100%, 31.25rem);
    min-height: 11rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    place-items: center;
    align-content: center;
    gap: 1rem;
    border-radius: clamp(1rem, 3vw, 1.9rem);
    background: var(--page-background);
    box-shadow: 0 0.75rem 2.5rem color-mix(in srgb, #00374a 26%, transparent);
    color: var(--text-color);
    font-family: var(--ui-font);
    text-align: center;
}

#content .files-archive-maze-caption {
    margin: 0;
    font-family: var(--ui-font);
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 750;
    line-height: 1.15;
}

.files-archive-maze-regenerate {
    min-height: 2.6rem;
    margin: 0;
    padding: 0.55rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: var(--field-background);
    color: var(--link-color);
    cursor: pointer;
    font-family: var(--ui-font);
    font-size: 0.8rem;
    font-weight: 700;
}

.files-archive-maze-regenerate:is(:hover, :focus-visible) {
    border-color: var(--link-color);
    outline: none;
}

.files-archive-maze-demo .files-archive-demo-note {
    margin: 0.6rem 0 0;
}

.files-archive-canvas-map-demo {
    width: min(100%, var(--text-width));
    margin-top: 1.5rem;
}

.files-archive-canvas-map-viewport {
    position: relative;
    min-height: clamp(22rem, 50vw, 34rem);
    overflow: hidden;
    border-radius: 10px;
    background:
        linear-gradient(color-mix(in srgb, var(--border-color) 24%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--border-color) 24%, transparent) 1px, transparent 1px),
        var(--field-background);
    background-size: 20px 20px;
    box-shadow: inset 0 0 0 1px var(--border-color);
    cursor: grab;
    outline: none;
    touch-action: none;
    user-select: none;
}

.files-archive-canvas-map-viewport.is-dragging {
    cursor: grabbing;
}

.files-archive-canvas-map-viewport:focus-visible {
    box-shadow: inset 0 0 0 1px var(--link-color), 0 0 0 1px var(--link-color);
}

#content .files-archive-canvas-map-canvas {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 2000px;
    max-width: none;
    height: 2000px;
    margin: 0;
    transform: translate3d(0, 0, 0);
    transform-origin: 0 0;
}

.files-archive-canvas-map-hint {
    position: absolute;
    right: 0.65rem;
    bottom: 0.65rem;
    padding: 0.35rem 0.55rem;
    border-radius: 4px;
    background: color-mix(in srgb, var(--page-background) 90%, transparent);
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.68rem;
    line-height: 1.2;
    pointer-events: none;
}

.files-archive-canvas-map-controls {
    display: flex;
    margin-top: 0.65rem;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-family: var(--ui-font);
}

.files-archive-canvas-map-reset,
.files-archive-canvas-map-regenerate {
    min-height: 2.5rem;
    margin: 0;
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: var(--field-background);
    color: var(--link-color);
    cursor: pointer;
    font-family: var(--ui-font);
    font-size: 0.76rem;
    font-weight: 700;
}

.files-archive-canvas-map-reset:is(:hover, :focus-visible),
.files-archive-canvas-map-regenerate:is(:hover, :focus-visible) {
    border-color: var(--link-color);
    outline: none;
}

#content .files-archive-canvas-map-status {
    display: flex;
    min-height: 2.5rem;
    margin: 0 0 0 auto;
    align-items: center;
    gap: 0.45rem;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.72rem;
    line-height: 1.35;
}

.files-archive-canvas-map-swatch {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    flex: 0 0 auto;
    border: 1px solid color-mix(in srgb, var(--text-color) 35%, transparent);
    border-radius: 50%;
}

.files-archive-canvas-map-swatch[hidden] {
    display: none;
}

.files-archive-canvas-map-demo .files-archive-demo-note {
    margin: 0.45rem 0 0;
}

@media (max-width: 40rem) {
    #content .files-archive-canvas-map-status {
        width: 100%;
        margin-left: 0;
    }
}

.files-archive-default-style-demo {
    width: min(100%, var(--text-width));
    margin-top: 1.5rem;
}

#content .files-archive-default-style-lead {
    max-width: 48rem;
    margin: 0 0 1rem;
    font-family: var(--ui-font);
    font-size: 0.9rem;
    line-height: 1.55;
}

.files-archive-default-style-frame {
    display: block;
    width: 100%;
    height: clamp(12rem, 26vw, 17rem);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--field-background);
}

.files-archive-default-style-result {
    display: grid;
    margin-top: 0.75rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem 1.2rem;
    font-family: var(--ui-font);
}

#content .files-archive-default-style-result p {
    display: flex;
    margin: 0;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.74rem;
    line-height: 1.45;
}

.files-archive-default-style-swatch {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    margin-top: 0.08rem;
    flex: 0 0 auto;
    border-radius: 50%;
    box-shadow: inset 0 0 0 1px rgb(255 255 255 / 35%);
}

.files-archive-default-style-swatch.is-right {
    background: #36f;
}

.files-archive-default-style-swatch.is-wrong {
    background: #c33;
}

.files-archive-default-style-source {
    margin-top: 1rem;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.76rem;
}

.files-archive-default-style-source summary {
    cursor: pointer;
    user-select: none;
}

.files-archive-default-style-source pre {
    margin-top: 0.6rem;
}

.files-archive-default-style-demo .files-archive-demo-note {
    margin: 0.65rem 0 0;
}

@media (max-width: 40rem) {
    .files-archive-default-style-result {
        grid-template-columns: 1fr;
    }
}

.files-archive-css-font {
    width: min(100%, var(--text-width));
    margin-top: 1.5rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    overflow-x: auto;
    border-radius: 10px;
    background: var(--field-background);
    box-shadow: inset 0 0 0 1px var(--border-color);
}

.files-archive-css-font-row {
    width: max-content;
    min-width: 100%;
    margin: 0 0 1.5rem;
    font-size: 0;
    line-height: 1;
    white-space: nowrap;
}

.files-archive-css-font-row:last-child {
    margin-bottom: 0;
}

.files-archive-css-glyph,
.files-archive-css-font-spacer {
    display: inline-block;
    width: 15px;
    height: 20px;
    margin: 0 3px 0 0;
    vertical-align: middle;
}

.files-archive-css-glyph,
.files-archive-css-glyph::before,
.files-archive-css-glyph::after {
    border: 5px groove #adf;
    border-radius: 5px;
    box-sizing: content-box;
}

.files-archive-css-glyph::before,
.files-archive-css-glyph::after {
    display: block;
}

.files-archive-css-font-spacer {
    border: 0;
}

.files-archive-css-glyph-c,
.files-archive-css-glyph-e,
.files-archive-css-glyph-f {
    border-right-color: transparent;
}

.files-archive-css-glyph-e::after,
.files-archive-css-glyph-h::after,
.files-archive-css-glyph-a::after,
.files-archive-css-glyph-d8::after,
.files-archive-css-glyph-b::after,
.files-archive-css-glyph-f::after,
.files-archive-css-glyph-n::after,
.files-archive-css-glyph-z::after {
    width: 15px;
    height: 7px;
    border-top: 0;
    border-right: 0;
    border-left: 0;
    content: '';
}

.files-archive-css-glyph-f {
    border-bottom-color: transparent;
}

.files-archive-css-glyph-h,
.files-archive-css-glyph-k,
.files-archive-css-glyph-n {
    border-top-color: transparent;
    border-bottom-color: transparent;
}

.files-archive-css-glyph-d1 {
    width: 5px;
    border-bottom-color: transparent;
    border-left-color: transparent;
}

.files-archive-css-glyph-dot,
.files-archive-css-glyph-comma {
    width: 0;
    height: 0;
}

.files-archive-css-glyph-comma {
    border-bottom-color: transparent;
    border-left-color: transparent;
}

.files-archive-css-glyph-t {
    border-right-color: transparent;
    border-bottom-color: transparent;
    border-left-color: transparent;
}

.files-archive-css-glyph-t::after,
.files-archive-css-glyph-m::after,
.files-archive-css-glyph-w::after {
    width: 5px;
    height: 23px;
    border-top: 0;
    border-bottom: 0;
    border-left: 0;
    content: '';
}

.files-archive-css-glyph-a {
    border-bottom-color: transparent;
}

.files-archive-css-glyph-s {
    height: 7px;
    border-left-color: transparent;
}

.files-archive-css-glyph-l {
    border-top-color: transparent;
    border-right-color: transparent;
}

.files-archive-css-glyph-s::after {
    position: relative;
    top: -17px;
    left: -5px;
    width: 15px;
    height: 7px;
    border-right-color: transparent;
    border-bottom: 0;
    border-bottom-left-radius: 0;
    content: '';
}

.files-archive-css-glyph-d,
.files-archive-css-glyph-b {
    border-radius: 0 10px 10px 0;
}

.files-archive-css-glyph-g {
    border-right-color: transparent;
}

.files-archive-css-glyph-g::after {
    width: 10px;
    height: 14px;
    margin-left: 10px;
    border-top: 0;
    border-right: 0;
    border-left: 0;
    content: '';
}

.files-archive-css-glyph-i,
.files-archive-css-glyph-j {
    border-top-color: transparent;
    border-left: 0;
}

.files-archive-css-glyph-i {
    width: 7px;
    border-bottom-color: transparent;
}

.files-archive-css-glyph-k {
    border-right-color: transparent;
}

.files-archive-css-glyph-k::after {
    width: 16px;
    height: 16px;
    margin-left: 3px;
    border-top: 0;
    border-left: 0;
    content: '';
    transform: rotate(135deg);
}

.files-archive-css-glyph-n::after,
.files-archive-css-glyph-z::after {
    width: 32px;
    margin-top: 3px;
    margin-left: -7px;
    transform: rotate(52deg);
}

.files-archive-css-glyph-m {
    border-bottom-color: transparent;
    border-top-left-radius: 0;
}

.files-archive-css-glyph-p,
.files-archive-css-glyph-r {
    border-right-color: transparent;
    border-bottom-color: transparent;
}

.files-archive-css-glyph-p::after,
.files-archive-css-glyph-r::before {
    width: 15px;
    height: 13px;
    margin-top: -5px;
    margin-left: -5px;
    border-top: 0;
    border-left-color: transparent;
    content: '';
}

.files-archive-css-glyph-r::after {
    width: 15px;
    margin-top: 2px;
    border-top: 0;
    border-right-color: transparent;
    border-left: 0;
    content: '';
    transform: rotate(40deg);
}

.files-archive-css-glyph-q::before {
    display: none;
}

.files-archive-css-glyph-q::after {
    width: 0;
    height: 0;
    margin-top: 18px;
    margin-left: 13px;
    border-bottom-color: transparent;
    border-left-color: transparent;
    content: '';
}

.files-archive-css-glyph-u,
.files-archive-css-glyph-v,
.files-archive-css-glyph-w {
    border-top-color: transparent;
}

.files-archive-css-glyph-v {
    position: relative;
    top: -12px;
    width: 22px;
    height: 22px;
    margin-top: -7px;
    border-left-color: transparent;
    transform: rotate(45deg) matrix(1, 0.364, 0.364, 1, 0, 0);
}

.files-archive-css-glyph-x,
.files-archive-css-glyph-x::after {
    position: relative;
    top: -7px;
    width: 28px;
    height: 28px;
    margin-top: -10px;
    margin-right: 10px;
    margin-left: -15px;
    border-top-color: transparent;
    border-bottom-color: transparent;
    border-left-color: transparent;
    transform: rotate(45deg);
}

.files-archive-css-glyph-x::after {
    top: -10px;
    left: 26px;
    content: '';
    transform: rotate(90deg);
}

.files-archive-css-glyph-y {
    height: 10px;
    margin-right: 15px;
    margin-left: -8px;
    border-top-color: transparent;
    border-bottom-color: transparent;
    border-left-color: transparent;
}

.files-archive-css-glyph-y::after {
    position: relative;
    top: -25px;
    width: 15px;
    height: 15px;
    margin-left: 5px;
    border-top-color: transparent;
    border-left-color: transparent;
    content: '';
    transform: rotate(45deg);
}

.files-archive-css-glyph-z {
    border-right-color: transparent;
    border-left-color: transparent;
}

.files-archive-css-glyph-z::after {
    margin-left: -10px;
    transform: rotate(-52deg);
}

@keyframes files-archive-worm-wag {
    50% {
        transform: rotate(10deg);
    }
}

.files-archive-worm-demo {
    display: grid;
    width: min(100%, var(--text-width));
    min-height: clamp(17rem, 36vw, 25rem);
    margin-top: 1.5rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    place-items: center;
    overflow: hidden;
    border-radius: 10px;
    background:
        radial-gradient(circle at 50% 45%, color-mix(in srgb, #964b00 9%, transparent), transparent 45%),
        var(--field-background);
    box-shadow: inset 0 0 0 1px var(--border-color);
}

.files-archive-worm {
    width: 20px;
    height: 20px;
    margin-top: -2.5rem;
    outline: none;
}

.files-archive-worm:focus-visible {
    outline: 1px solid var(--link-color);
    outline-offset: 8px;
}

.files-archive-worm-segment {
    position: relative;
    top: 10px;
    display: inline-block;
    box-sizing: content-box;
    width: 20px;
    height: 20px;
    border-top: 1px solid #654321;
    border-radius: 7px;
    background: #964b00;
    cursor: pointer;
    transform: rotate(-10deg);
    animation: files-archive-worm-wag 3s infinite ease-in-out;
}

.files-archive-worm > .files-archive-worm-segment,
.files-archive-worm-segment:empty {
    border-radius: 50%;
}

.files-archive-worm-segment:hover,
.files-archive-worm:focus .files-archive-worm-segment {
    animation-play-state: paused;
}

.files-archive-worm-demo .files-archive-demo-note {
    align-self: end;
    margin: 0;
    text-align: center;
}

@media (prefers-reduced-motion: reduce) {
    .files-archive-worm-segment {
        animation: none;
    }
}

.files-archive-rotate-demo {
    --rotate-angle: -20deg;
    --rotate-width: 4px;
    --rotate-height: 30px;
    --rotate-radius: 10px;
    --rotate-border: 6px;
    --rotate-left: -10px;
    --rotate-top: 10px;
    display: grid;
    width: min(100%, var(--text-width));
    margin-top: 1.5rem;
    padding: clamp(1rem, 2.6vw, 1.75rem);
    grid-template-columns: minmax(0, 1fr) minmax(17rem, 20rem);
    gap: clamp(1.25rem, 3vw, 2.5rem);
    border-radius: 10px;
    background: var(--surface-background);
    font-family: var(--ui-font);
}

.files-archive-rotate-preview {
    position: relative;
    min-height: clamp(25rem, 45vw, 32rem);
    overflow: hidden;
    border-radius: 7px;
    background:
        radial-gradient(circle at 50% 48%, color-mix(in srgb, var(--field-background) 88%, transparent), transparent 55%),
        var(--page-background);
    box-shadow: inset 0 0 0 1px var(--border-color);
}

.files-archive-rotate-chain {
    position: absolute;
    top: 48%;
    left: 50%;
}

.files-archive-rotate-leaf {
    position: absolute;
    top: var(--rotate-top);
    left: var(--rotate-left);
    display: block;
    width: var(--rotate-width);
    height: var(--rotate-height);
    border-width: var(--rotate-border);
    border-style: double;
    border-color: #167a2d;
    border-radius: 0 var(--rotate-radius);
    box-sizing: content-box;
    background: #79df45;
    box-shadow: 0 0 0 1px color-mix(in srgb, #167a2d 28%, transparent);
    transform: rotate(var(--rotate-angle));
    transform-origin: 50% 50%;
}

.files-archive-rotate-controls {
    display: flex;
    margin: 0;
    flex-direction: column;
    gap: 1rem;
    align-self: center;
}

#content .files-archive-rotate-intro {
    margin: 0 0 0.35rem;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.84rem;
    line-height: 1.5;
}

.files-archive-rotate-control {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 0.3rem 0.8rem;
    color: var(--text-color);
    font-size: 0.82rem;
    font-weight: 650;
}

.files-archive-rotate-output {
    color: var(--minor-color);
    font-size: 0.76rem;
    font-variant-numeric: tabular-nums;
    font-weight: 500;
    text-align: right;
}

.files-archive-rotate-control input[type="range"] {
    width: 100%;
    min-height: 1.25rem;
    height: 1.25rem;
    margin: 0;
    padding: 0;
    grid-column: 1 / -1;
    accent-color: var(--accent-color);
    cursor: ew-resize;
}

.files-archive-rotate-reset {
    align-self: flex-start;
    min-height: 2.4rem;
    margin-top: 0.25rem;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--field-background);
    color: var(--text-color);
    cursor: pointer;
    font: 650 0.78rem/1 var(--ui-font);
}

.files-archive-rotate-reset:hover,
.files-archive-rotate-reset:focus-visible {
    border-color: color-mix(in srgb, var(--accent-color) 55%, transparent);
    color: var(--accent-color);
}

#content .files-archive-xbm-figure {
    width: min(100%, 36rem);
    margin: 1.75rem auto;
}

.files-archive-xbm-preview {
    display: block;
    width: auto;
    max-width: 100%;
    height: auto;
    margin-inline: auto;
    image-rendering: pixelated;
}

#content .files-archive-xbm-figure figcaption {
    max-width: 34rem;
    margin: 0.8rem auto 0;
    text-align: center;
}

.files-archive-olimp {
    max-width: 920px;
    margin-top: 2.2rem;
    font-family: var(--ui-font);
}

.files-archive-olimp > h2 {
    max-width: 14ch;
    margin: 0 0 2rem;
    font-family: var(--ui-font);
    font-size: clamp(2rem, 5vw, 4.25rem);
    font-weight: 800;
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.files-archive-olimp-layout {
    display: grid;
    grid-template-columns: 207px minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3.5rem);
    align-items: start;
}

.files-archive-olimp-logo {
    display: block;
    width: 207px;
    height: auto;
    margin: 0;
}

.files-archive-olimp-lead {
    max-width: 38rem;
    margin: 0;
    font-family: var(--ui-font);
    font-size: clamp(1rem, 1.4vw, 1.22rem);
    line-height: 1.55;
}

.files-archive-inactive-form {
    max-width: 38rem;
    margin: 1.5rem 0 0;
    font-family: var(--ui-font);
}

.files-archive-inactive-form fieldset {
    margin: 0;
    padding: 0;
    border: 0;
}

.files-archive-inactive-form label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--minor-color);
    font-size: 0.82rem;
    font-weight: 650;
}

.files-archive-inactive-form-controls {
    display: grid;
    grid-template-columns: minmax(10rem, 1fr) auto;
    gap: 0.65rem;
}

.files-archive-inactive-form input,
.files-archive-inactive-form button {
    min-height: 2.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font: 650 0.92rem/1 var(--ui-font);
}

.files-archive-inactive-form input {
    width: 100%;
    padding: 0.65rem 0.8rem;
    background: var(--field-background);
    color: var(--minor-color);
}

.files-archive-inactive-form button {
    padding: 0.65rem 1rem;
    background: var(--surface-background);
    color: var(--minor-color);
    cursor: not-allowed;
}

.files-archive-inactive-form input:disabled,
.files-archive-inactive-form button:disabled {
    opacity: 1;
}

.files-archive-inactive-form-note {
    max-width: 38rem;
    margin: 0.8rem 0 0;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.78rem;
    line-height: 1.5;
}

.files-archive-olimp-credits {
    margin: 2rem 0 0;
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.78rem;
    line-height: 1.65;
}

#content pre.files-archive-source {
    width: min(100%, var(--text-width));
    max-height: min(72vh, 58rem);
    font-size: 13px;
    line-height: 1.55;
    tab-size: 4;
}

.files-archive-code-composite {
    width: min(100%, var(--text-width));
    max-height: min(72vh, 58rem);
    margin: 1.5rem 0;
    overflow: auto;
    border-radius: 5px;
    background: var(--surface-background);
}

#content .files-archive-code-composite pre.files-archive-code-part {
    width: max-content;
    min-width: 100%;
    max-height: none;
    margin: 0;
    padding: 0.2rem 1.15rem;
    overflow: visible;
    border-radius: 0;
    background: transparent;
}

#content .files-archive-code-composite pre.files-archive-code-part:first-child {
    padding-top: 1rem;
}

#content .files-archive-code-composite pre.files-archive-code-part:last-child {
    padding-bottom: 1rem;
}

.files-archive-download,
.files-archive-recovery,
.files-archive-missing {
    color: var(--minor-color);
    font-family: var(--ui-font);
    font-size: 0.78em;
}

.files-archive-download small {
    margin-left: 0.45em;
    color: var(--quiet-color);
}

.files-archive-contents {
    max-width: 760px;
    margin-top: 2rem;
    font-family: var(--ui-font);
    font-size: 0.76em;
}

.files-archive-contents > summary {
    color: var(--minor-color);
    cursor: pointer;
    user-select: none;
}

#content .files-archive-contents ul {
    margin-top: 0.9rem;
    columns: 2 15rem;
}

.files-archive-contents small {
    color: var(--quiet-color);
}

@media (max-width: 720px) {
    #content ul.files-archive-index {
        display: block;
    }

    #content .files-archive-index li {
        display: block;
        margin-bottom: 1.35rem;
    }

    .files-archive-name,
    .files-archive-summary {
        display: block;
    }

    .files-archive-summary {
        margin-top: 0.2rem;
    }

    .files-archive-olimp-layout {
        grid-template-columns: 1fr;
    }

    .files-archive-olimp-logo {
        width: min(207px, 58vw);
    }

    .files-archive-inactive-form-controls {
        grid-template-columns: 1fr;
    }

    .files-archive-rotate-demo {
        grid-template-columns: 1fr;
    }

    .files-archive-rotate-preview {
        min-height: min(75vw, 25rem);
    }
}