/*
 * Sakiko's page: a ghost that lives in whatever machine the page is open on.
 * Night-blue from her uniform, cream from her skin, amber from her eyes; one typeface.
 */

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

:root {
    --night: #0d1319;
    --line: #22303b;
    --cream: #ece5da;
    --mist: #aab4bd;
    --slate: #71859a;
    --amber: #dba55f;
    color-scheme: dark;
}

html {
    background: var(--night);
}

body {
    min-height: 100vh;
    font-family: "Fira Code", "JetBrains Mono", "Source Code Pro", "Roboto Mono", Monaco, Consolas, "Courier New", monospace;
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--mist);
    background: radial-gradient(52rem 36rem at 22% 9rem, rgba(113, 133, 154, 0.13), transparent 70%) no-repeat var(--night);
    font-feature-settings: "liga" 1, "calt" 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    color: var(--night);
    background: var(--amber);
}

:focus-visible {
    outline: 1px solid var(--amber);
    outline-offset: 4px;
}

img,
canvas {
    display: block;
    max-width: 100%;
    -webkit-user-drag: none;
    user-select: none;
}

a {
    color: var(--cream);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-decoration-color: var(--slate);
    text-underline-offset: 4px;
    transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover {
    color: var(--amber);
    text-decoration-color: var(--amber);
}

.page {
    max-width: 54rem;
    margin: 0 auto;
    padding: 5.5rem 1.5rem 3rem;
}

/* The readout: her portrait on the left, the machine she is in on the right. */
.fetch {
    display: grid;
    grid-template-columns: minmax(0, 19rem) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: center;
}

/*
 * The portrait is drawn in dots by sakiko.js and turns into the picture while it is hovered,
 * focused or tapped. Both layers fade out towards the edges, so there is no frame around her.
 */
.apparition {
    position: relative;
    aspect-ratio: 544 / 584;
    cursor: pointer;
    animation: drift 9s ease-in-out infinite alternate;
}

.apparition img,
.apparition canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transition: opacity 0.9s ease;
}

.apparition img {
    object-fit: cover;
    -webkit-mask-image: radial-gradient(ellipse 50% 54% at 50% 45%, #000 52%, transparent 100%);
    mask-image: radial-gradient(ellipse 50% 54% at 50% 45%, #000 52%, transparent 100%);
}

.apparition canvas {
    opacity: 0;
}

/* `js` is set in the page head; `has-ghost` once the dots have been drawn. */
.js .apparition img {
    opacity: 0;
}

/* If the dots never come (the script failed to load, say), the picture shows up by itself. */
.js:not(.has-ghost) .apparition img {
    animation: appear 0.9s ease 4s forwards;
}

@keyframes appear {
    to {
        opacity: 1;
    }
}

.has-ghost .apparition canvas {
    opacity: 1;
}

.has-ghost .apparition:focus-visible img,
.has-ghost .apparition.is-solid img {
    opacity: 1;
}

.has-ghost .apparition:focus-visible canvas,
.has-ghost .apparition.is-solid canvas {
    opacity: 0;
}

/* Hover only where there is a pointer that can leave again; touch screens toggle instead. */
@media (hover: hover) {
    .has-ghost .apparition:hover img {
        opacity: 1;
    }

    .has-ghost .apparition:hover canvas {
        opacity: 0;
    }
}

@keyframes drift {
    from {
        transform: translateY(5px);
    }

    to {
        transform: translateY(-5px);
    }
}

.fetch-title {
    display: inline-block;
    margin-bottom: 0.7rem;
    padding-bottom: 0.5rem;
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--cream);
    border-bottom: 1px dashed var(--slate);
}

.fetch-user {
    color: var(--amber);
}

.fetch-at {
    color: var(--slate);
}

.fetch-list {
    display: grid;
    grid-template-columns: 9ch minmax(0, 1fr);
    font-size: 0.9rem;
}

.fetch-row {
    display: contents;
}

.fetch-row[hidden] {
    display: none;
}

.fetch-row dt {
    color: var(--amber);
}

.fetch-row dd {
    color: var(--cream);
    overflow-wrap: anywhere;
}

/* Her colours, the way a system readout ends with the terminal's. */
.fetch-palette {
    display: flex;
    margin-top: 1rem;
}

.fetch-palette span {
    width: 1.5rem;
    height: 0.75rem;
}

.fetch-palette span:nth-child(1) { background: #3f1f16; }
.fetch-palette span:nth-child(2) { background: #926a57; }
.fetch-palette span:nth-child(3) { background: #3f5a6f; }
.fetch-palette span:nth-child(4) { background: #71859a; }
.fetch-palette span:nth-child(5) { background: #b1a0a1; }
.fetch-palette span:nth-child(6) { background: #cfd1d0; }
.fetch-palette span:nth-child(7) { background: #f9f0e4; }
.fetch-palette span:nth-child(8) { background: #dba55f; }

.fetch-note {
    max-width: 44ch;
    margin-top: 1rem;
    font-size: 0.76rem;
    line-height: 1.6;
    color: var(--slate);
}

/* Without JavaScript nothing is read, so there is nothing to explain. */
html:not(.js) .fetch-note {
    display: none;
}

.about {
    max-width: 64ch;
    margin-top: 4.5rem;
}

.about-lead {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    line-height: 1.5;
    color: var(--cream);
}

.about-links,
.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.5rem;
    margin-top: 1rem;
    font-size: 0.875rem;
}

/* The arrow is its own box so that the link's underline stops before it. */
.about-links a::after,
.project-links a::after {
    content: "\2197";
    display: inline-block;
    margin-left: 0.45em;
    color: var(--slate);
    transition: color 0.2s ease;
}

.about-links a:hover::after,
.project-links a:hover::after {
    color: var(--amber);
}

.label {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 4.5rem 0 0.75rem;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--amber);
}

.label::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--line);
}

.project {
    display: grid;
    grid-template-columns: minmax(0, 13rem) minmax(0, 1fr);
    gap: 1.75rem;
    align-items: center;
    padding: 1.5rem 0;
}

.project + .project {
    border-top: 1px solid var(--line);
}

/* Covers stay a little faint until the project is looked at. */
.project-cover {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000000;
    border: 1px solid var(--line);
}

.project-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.82;
    filter: saturate(0.8);
    transition: opacity 0.6s ease, filter 0.6s ease;
}

.project-cover img.is-banner {
    object-fit: contain;
}

.project:hover .project-cover img,
.project:focus-within .project-cover img {
    opacity: 1;
    filter: none;
}

.project h3 {
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--cream);
}

.project-meta {
    margin: 0.1rem 0 0.6rem;
    font-size: 0.8rem;
    color: var(--slate);
}

.project-meta a {
    color: inherit;
}

.project-meta a:hover {
    color: var(--amber);
}

.project p {
    font-size: 0.9rem;
}

.friends {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.5rem;
    margin-top: 1.25rem;
    letter-spacing: 0.04em;
}

.foot {
    margin-top: 5rem;
    padding-top: 1.25rem;
    font-size: 0.78rem;
    color: var(--slate);
    border-top: 1px solid var(--line);
}

/* Arriving: the readout comes in line by line while the portrait is being drawn. */
.js .fetch-info > *,
.js .fetch-row > * {
    animation: arrive 0.7s ease both;
}

.js .fetch-row:nth-child(2) > * { animation-delay: 0.08s; }
.js .fetch-row:nth-child(3) > * { animation-delay: 0.16s; }
.js .fetch-row:nth-child(4) > * { animation-delay: 0.24s; }
.js .fetch-row:nth-child(5) > * { animation-delay: 0.32s; }
.js .fetch-row:nth-child(6) > * { animation-delay: 0.4s; }
.js .fetch-row:nth-child(7) > * { animation-delay: 0.48s; }
.js .fetch-row:nth-child(8) > * { animation-delay: 0.56s; }
.js .fetch-palette { animation-delay: 0.64s; }
.js .fetch-note { animation-delay: 0.72s; }

@keyframes arrive {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
}

@media (max-width: 720px) {
    .page {
        padding: 3rem 1.25rem 2.5rem;
    }

    .fetch {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .apparition {
        width: min(100%, 17rem);
        margin: 0 auto;
    }

    .about,
    .label {
        margin-top: 3.25rem;
    }

    .about-lead {
        font-size: 1.15rem;
    }

    .project {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .apparition,
    .js .fetch-info > *,
    .js .fetch-row > * {
        animation: none;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}