/*
 * The pages around the tool. The tool itself stays one self-contained file so it works
 * straight off the filesystem; these are ordinary pages and can share a stylesheet.
 * The palette is the tool's, so moving between them does not look like leaving.
 */

:root {
  --bg: #ffffff; --panel: #f4f4f5; --line: #d9d9de; --ink: #18181b;
  --dim: #6b6b76; --accent: #d6336c; --accent-ink: #ffffff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131316; --panel: #1c1c21; --line: #33333c; --ink: #ececf0;
    --dim: #9a9aa6; --accent: #f06595; --accent-ink: #1a1a1f;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0 auto; padding: 1.25rem 1.25rem 3rem; max-width: 46rem;
  background: var(--bg); color: var(--ink);
  font: 15px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

nav { font-size: .8rem; padding-bottom: 1.5rem; }
nav a { color: var(--dim); }

h1 { font-size: 1.45rem; line-height: 1.25; letter-spacing: -.015em; margin: 0 0 .6rem; }
h2 { font-size: 1.05rem; margin: 2.25rem 0 .6rem; }
h3 { font-size: .95rem; margin: 1.5rem 0 .35rem; }
p, li { color: var(--dim); font-size: .95rem; }
p { margin: 0 0 .85rem; }
ol, ul { margin: 0 0 .85rem; padding-left: 1.25rem; }
li { margin-bottom: .35rem; }
strong { color: var(--ink); font-weight: 600; }
a { color: var(--ink); }
.lead { font-size: 1.05rem; }

/* The one link on every page that is meant to be pressed rather than read */
.cta {
  display: inline-block; margin: .4rem 0 1.5rem; padding: .5rem .9rem; border-radius: 6px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: .925rem;
  text-decoration: none;
}

.scroll { overflow-x: auto; margin-bottom: .85rem; }
table { border-collapse: collapse; font-size: .875rem; width: 100%; }
th, td { border-bottom: 1px solid var(--line); padding: .35rem .7rem .35rem 0;
  text-align: left; white-space: nowrap; }
th { color: var(--ink); font-weight: 600; }
td { color: var(--dim); font-variant-numeric: tabular-nums; }

.calc {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 1rem; margin-bottom: 1.25rem;
}
.calc .row { display: flex; flex-wrap: wrap; gap: .9rem; align-items: center; }
.calc label { font-size: .875rem; color: var(--ink); display: flex; align-items: center; gap: .4rem; }
.calc input { font: inherit; font-size: .875rem; width: 6rem; padding: .3rem .4rem;
  border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); }
.calc output { display: block; margin-top: .9rem; font-family: var(--mono); font-size: .875rem;
  color: var(--ink); line-height: 1.7; }
.calc .warn { color: var(--accent); }

/* Same gif, same song, one setting apart: the videos are the argument, so they get the room */
.gallery { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); }
.gallery figure { margin: 0; }
.gallery video {
  /* the width and height attributes are on the element so the row does not jump while the
     poster loads; without height:auto they also win over the ratio and squash it flat */
  width: 100%; height: auto; aspect-ratio: 1; border-radius: 10px; background: #000;
  /* the example is pixel art and the file is 96x96; smoothing it turns it to mush */
  image-rendering: pixelated;
}
.gallery figcaption { font-size: .875rem; color: var(--dim); margin-top: .5rem; }
.gallery figcaption strong { display: block; }

footer {
  margin-top: 3rem; padding-top: .9rem; border-top: 1px solid var(--line);
  font-size: .8rem; color: var(--dim); display: flex; flex-wrap: wrap; gap: .4rem 1.1rem;
}