/* Venn Garden. Diagrams are laid out at build time, so the whole site is this
   file plus about forty lines of JavaScript for the shuffle. */

@font-face {
  font-family: "DM Mono";
  src: url(/assets/fonts/DMMono-latin.woff2) format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "DM Mono";
  src: url(/assets/fonts/DMMono-latin-ext.woff2) format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  color-scheme: light;
  --ink: #444;
  --ink-strong: #6b7280;
  --ink-soft: #9ca3af;
  --rule: #e5e7eb;
  --link: #3b82f6;
  --page: #fff;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 15px;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.masthead {
  border-bottom: 1px solid var(--rule);
  padding: 1.25rem 1rem;
  text-align: center;
}

.masthead h1,
.masthead .wordmark {
  color: var(--ink-strong);
  font-size: 2rem;
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.01em;
}

.masthead p {
  color: var(--ink-soft);
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
}

main {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 1rem 4rem;
}

/* --- the shuffled diagram on the front page --- */

.deal {
  padding-top: 1.5rem;
  text-align: center;
}

.deal figure {
  margin: 0 auto;
  max-width: 34rem;
}

.deal svg {
  width: 100%;
  height: auto;
  display: block;
}

.deal-caption {
  margin: 0.25rem 0 0;
  font-size: 1.05rem;
  color: var(--ink);
}

.deal-sets {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.shuffle {
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--ink-soft);
  font: inherit;
  font-size: 0.8rem;
  padding: 0.75rem 0.5rem 0;
}

.shuffle:hover {
  color: var(--link);
  text-decoration: underline;
}

.shuffle .turn {
  font-size: 1.8rem;
  vertical-align: -0.35rem;
}

/* --- the gallery --- */

.garden {
  border-top: 1px solid var(--rule);
  margin-top: 2.5rem;
  padding-top: 1.75rem;
}

.garden h2 {
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink-strong);
  margin: 0 0 0.25rem;
}

.garden .lede {
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
  font-size: 0.85rem;
  max-width: 40rem;
}

/* The front page index: 57 titles, set in columns so the list stays short. */
.index {
  columns: 17rem;
  column-gap: 2.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.index li {
  break-inside: avoid;
  padding: 0.18rem 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  gap: 1.75rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.grid a {
  display: block;
}

.grid a:hover {
  text-decoration: none;
}

.grid svg {
  width: 100%;
  height: auto;
  display: block;
}

.grid h3 {
  font-size: 0.9rem;
  font-weight: 400;
  margin: 0.35rem 0 0;
  text-align: center;
}

.grid a:hover h3 {
  color: var(--link);
  text-decoration: underline;
}

.grid p {
  margin: 0.15rem 0 0;
  font-size: 0.72rem;
  color: var(--ink-soft);
  text-align: center;
}

/* --- one diagram's own page --- */

.venn-page {
  padding-top: 2rem;
}

.venn-page h1 {
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--ink-strong);
  margin: 0;
  text-align: center;
}

.venn-page .sets {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin: 0.35rem 0 0;
}

.venn-page figure {
  margin: 1rem auto 0;
  max-width: 36rem;
}

.venn-page figure svg {
  width: 100%;
  height: auto;
  display: block;
}

.blurb {
  max-width: 34rem;
  margin: 0.5rem auto 0;
  font-size: 0.95rem;
  line-height: 1.75;
}

.more {
  border-top: 1px solid var(--rule);
  margin-top: 3rem;
  padding-top: 1.5rem;
}

.more h2 {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.crumbs {
  text-align: center;
  margin: 2.5rem 0 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.colophon {
  border-top: 1px solid var(--rule);
  margin-top: 3rem;
  padding: 1.25rem 1rem 2.5rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.notfound {
  text-align: center;
  padding-top: 4rem;
}

.notfound h1 {
  font-weight: 400;
  color: var(--ink-strong);
}

@media (max-width: 30rem) {
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
    gap: 1.25rem 0.9rem;
  }

  .index {
    columns: 1;
  }

  .masthead h1,
  .masthead .wordmark {
    font-size: 1.6rem;
  }
}