/* TipPortion. Warm paper, one burnt-orange accent, system fonts only.
   No web font, no remote URL, no @import. Every mark is drawn here. */

:root {
  --canvas: #f7f2ea;
  --surface: #fffdf8;
  --sunken: #efe7da;
  --hairline: #ddd2c1;
  --ink: #221c15;
  --ink-soft: #574c40;
  --accent: #9c4a16;
  --accent-wash: #f3e3d4;
  --measure: 40rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 1.0625rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 2;
  background: var(--surface);
  color: var(--accent);
  padding: 0.6rem 0.9rem;
  border: 2px solid var(--accent);
  border-radius: 0.5rem;
}

/* ---- header ---- */

header.site {
  border-bottom: 1px solid var(--hairline);
  background: var(--surface);
}
header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  text-decoration: none;
  color: inherit;
}
.wordmark b {
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.wordmark span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* The mark: three portion bars, the middle one split between two people.
   The same idea as the app icon, drawn with borders so no glyph is involved. */
.mark {
  display: inline-block;
  width: 1.6rem;
  height: 1.6rem;
  flex: none;
  background: var(--accent);
  border-radius: 0.36rem;
  position: relative;
  overflow: hidden;
}
.mark i {
  position: absolute;
  left: 18%;
  height: 11%;
  background: var(--surface);
  border-radius: 0.1rem;
}
.mark i:nth-child(1) { top: 24%; width: 50%; }
.mark i:nth-child(2) { top: 44%; width: 26%; }
.mark i:nth-child(3) { top: 44%; left: 50%; width: 26%; }
.mark i:nth-child(4) { top: 64%; width: 36%; opacity: 0.72; }

nav.site {
  display: flex;
  gap: 1.1rem;
  font-size: 0.95rem;
}
nav.site a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.1rem;
}
nav.site a:hover,
nav.site a:focus { border-bottom-color: var(--accent); }
nav.site a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---- type ---- */

main { padding: 2rem 0 3rem; }

h1 {
  font-size: 1.85rem;
  line-height: 1.22;
  letter-spacing: -0.015em;
  margin: 0.4rem 0 1rem;
}
h2 {
  font-size: 1.2rem;
  margin: 2.2rem 0 0.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--hairline);
}
h3 {
  font-size: 1.02rem;
  margin: 1.4rem 0 0.4rem;
}
p { margin: 0 0 1rem; }

.lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
}

a { color: var(--accent); }

.status {
  display: inline-block;
  margin: 0;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent-wash);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---- lists ---- */

ul.ruled {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
}
ul.ruled li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--hairline);
}
ul.ruled li:first-child { border-top: 1px solid var(--hairline); }

ul.plain { padding-left: 1.15rem; }
ul.plain li { margin-bottom: 0.5rem; }

/* ---- the worked example ---- */

figure.sheet {
  margin: 1rem 0 1.4rem;
  padding: 0.85rem;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 0.75rem;
}
figure.sheet img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--sunken);
  border-radius: 0.3rem;
}
figure.sheet figcaption {
  margin-top: 0.7rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ---- facts ---- */

table.facts {
  width: 100%;
  border-collapse: collapse;
  margin: 0.4rem 0 1.3rem;
  font-size: 0.98rem;
}
table.facts caption {
  text-align: left;
  color: var(--ink-soft);
  font-size: 0.88rem;
  padding-bottom: 0.5rem;
}
table.facts th,
table.facts td {
  text-align: left;
  padding: 0.55rem 0.6rem 0.55rem 0;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
table.facts th { width: 42%; font-weight: 600; }
table.facts tbody tr:nth-child(odd) { background: var(--sunken); }
table.facts th:first-child,
table.facts td:first-child { padding-left: 0.6rem; }

/* ---- notes ---- */

.note {
  margin: 1.2rem 0;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--accent);
  border-radius: 0.5rem;
  font-size: 0.96rem;
  color: var(--ink-soft);
}
.note strong { color: var(--ink); }

dl.qa { margin: 0 0 1rem; }
dl.qa dt {
  font-weight: 600;
  margin-top: 1.1rem;
}
dl.qa dd {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
}

/* ---- footer ---- */

footer.site {
  border-top: 1px solid var(--hairline);
  background: var(--surface);
  padding: 1.5rem 0 2rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
footer.site nav {
  display: flex;
  gap: 1.1rem;
  margin-bottom: 0.7rem;
}
footer.site p { margin: 0 0 0.4rem; }

@media (min-width: 46rem) {
  h1 { font-size: 2.15rem; }
  main { padding: 2.6rem 0 3.4rem; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #14110d;
    --surface: #1e1a15;
    --sunken: #272119;
    --hairline: #3b332a;
    --ink: #f6f0e6;
    --ink-soft: #c3b7a6;
    --accent: #f0a868;
    --accent-wash: #35271a;
  }
  .mark i { background: #14110d; }
}