/* The Temper libraries page. Colors are tokens, redefined for dark mode, in
   the style of the libraries' own sites. */

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #17202b;
  --muted: #535e6b;
  --border: #dde2e8;
  --accent: #1f5fbf;
  --focus: #1f5fbf;
  --chip: #eef1f5;
  --on-accent: #ffffff;
  /* Art: lightness and chroma of the Chromarite band, Hrefine's parts. */
  --band-l: 86%;
  --band-c: 0.09;
  --scheme: #8a2be2;
  --host: #1d5fa8;
  --port: #b0461a;
  --path: #0f7a4a;
  --query: #a0337a;
  --fragment: #7a6200;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1217;
    --surface: #161b22;
    --text: #e6ebf1;
    --muted: #a3adb9;
    --border: #2a323d;
    --accent: #85b2fb;
    --focus: #85b2fb;
    --chip: #202731;
    --on-accent: #0f1217;
    --band-l: 40%;
    --band-c: 0.065;
    --scheme: #c9a0ff;
    --host: #8cc4ff;
    --port: #f0a274;
    --path: #7fd4a4;
    --query: #f29ccf;
    --fragment: #e6cc6a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap {
  max-width: 54rem;
  margin: 0 auto;
  padding-inline: 1.25rem;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Header */

.hero {
  padding-block: 3.5rem 2rem;
}

.eyebrow {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow a {
  color: inherit;
  text-decoration-thickness: 1px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.lead {
  max-width: 38rem;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

/* The list: one row each, all as tall as the tallest. */

.libraries {
  display: grid;
  grid-auto-rows: 1fr;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.lib {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24rem;
  align-items: center;
  min-height: 8.5rem;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color 0.15s;
}

.lib:hover,
.lib:focus-within {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}

.body {
  grid-row: 1;
  padding: 1.1rem 1.4rem;
}

h2 {
  margin: 0;
  font-size: 1.3rem;
  line-height: 1.25;
}

.status {
  display: inline-block;
  margin-left: 0.3rem;
  padding: 0.05rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  vertical-align: 0.2em;
}

.phrase {
  margin: 0.3rem 0 0.55rem;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.45;
}

.links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
}

/* The site is the main way in; the repo is a quieter second link. */
.links .site {
  padding: 0.35em 0.9em;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
}

.links .site:hover {
  filter: brightness(1.08);
}

.links .repo {
  color: var(--muted);
  font-weight: 500;
}

/* Art fills the right column and fades in from the text's side. */

.art {
  grid-row: 1;
  grid-column: 2;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: -2rem;
  padding-left: 2rem;
  overflow: hidden;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 4.5rem);
  mask-image: linear-gradient(to right, transparent, #000 4.5rem);
}

.mono,
.url,
.md .src,
.labels {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

/* Chromarite: a band through OkLCh hues at even lightness, with sRGB stops
   for browsers without gradient interpolation in a color space. */

.art-gradient {
  background:
    linear-gradient(to bottom, color-mix(in srgb, var(--surface) 35%, transparent), transparent 55%),
    linear-gradient(90deg, #f5c6c6, #f0dcb0, #c9e8c0, #b8e3e6, #c4cff5, #e2c6f0, #f5c6c6);
}

@supports (background: linear-gradient(in oklch, red, blue)) {
  .art-gradient {
    background:
      linear-gradient(to bottom, color-mix(in oklab, var(--surface) 35%, transparent), transparent 55%),
      linear-gradient(90deg in oklch longer hue, oklch(var(--band-l) var(--band-c) 20), oklch(var(--band-l) var(--band-c) 20));
  }
}

@media (prefers-color-scheme: dark) {
  .art-gradient {
    background:
      linear-gradient(90deg, #5a3a3e, #56492f, #3a5236, #2f5054, #39436a, #523a5e, #5a3a3e);
  }

  @supports (background: linear-gradient(in oklch, red, blue)) {
    .art-gradient {
      background: linear-gradient(90deg in oklch longer hue, oklch(var(--band-l) var(--band-c) 20), oklch(var(--band-l) var(--band-c) 20));
    }
  }
}

/* Hrefine: a URL split into its parts, each tinted and named below. */

.url {
  display: flex;
  font-size: 0.86rem;
  white-space: nowrap;
  opacity: 0.85;
}

.url .part {
  margin-inline: 1px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.url .text {
  padding-bottom: 0.15rem;
  border-bottom: 2px solid currentColor;
}

.url .name {
  margin-top: 0.2rem;
  font-family: system-ui, sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

.url .sep {
  color: var(--muted);
}

.url .scheme { color: var(--scheme); }
.url .host { color: var(--host); }
.url .port { color: var(--port); }
.url .path { color: var(--path); }
.url .query { color: var(--query); }
.url .fragment { color: var(--fragment); }

/* Kelpto: Markdown source that fades into its rendered text. */

.md {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  line-height: 1.4;
}

.md .src {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  opacity: 0.8;
}

.md .out {
  display: flex;
  flex-direction: column;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.92rem;
}

.md .out .h {
  font-size: 1.15rem;
  line-height: 1.2;
}

.md::before {
  /* An arrow-ish fade between the two. */
  content: "";
  order: 1;
  width: 2.5rem;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--muted));
}

.md .out {
  order: 2;
}

/* Ordable: labels in smart order, as chips. */

.art-labels {
  justify-content: flex-start;
  /* The strip runs on past the edge, so fade both ends. */
  -webkit-mask-image: linear-gradient(to right, transparent, #000 4.5rem, #000 80%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 4.5rem, #000 80%, transparent);
}

.labels {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
}

.labels li {
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--chip);
  color: var(--muted);
}

.labels li:nth-child(4) {
  /* file10, after file9: the one plain sorting gets wrong. */
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  color: var(--text);
}

/* Footer */

footer {
  padding-block: 2rem 3rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.plain {
  padding-left: 1.2rem;
}

/* Phones: the art moves to a strip along the bottom of each row. */

@media (max-width: 40rem) {
  .hero {
    padding-block: 2.25rem 1.5rem;
  }

  .lib {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 1fr auto;
    align-items: start;
    min-height: 0;
  }

  .body {
    padding: 1rem 1.1rem 0.6rem;
  }

  .art {
    grid-row: 2;
    grid-column: 1;
    height: 4.25rem;
    margin: 0;
    padding: 0 1.1rem;
    -webkit-mask-image: linear-gradient(to bottom, transparent, #000 40%);
    mask-image: linear-gradient(to bottom, transparent, #000 40%);
  }

  .art-labels {
    -webkit-mask-image: linear-gradient(to right, #000 75%, transparent);
    mask-image: linear-gradient(to right, #000 75%, transparent);
  }

  .url {
    font-size: 0.8rem;
  }

  .md .src {
    font-size: 0.72rem;
  }

  .md .out {
    font-size: 0.8rem;
  }

  .md .out .h {
    font-size: 0.95rem;
  }

  .labels {
    font-size: 0.78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lib {
    transition: none;
  }
}