/* /rules -- the full rulebook. Sits on theme.css for tokens and brings
   its own layout, because it is the one page built to be read straight
   through rather than scanned: a fixed contents rail on the left, a
   single reading column on the right.

   Deliberately NOT .landing-wrap. That wrapper goes two-column above
   900px, which is right for About's independent panels and wrong for
   prose that has to be read in order. */

.rules-wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: calc(var(--mw-nav-h) + 24px) 16px 96px;
}

.rules-header { margin-bottom: 32px; }

.rules-title {
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--mw-gold-light);
  margin: 0 0 8px;
}

.rules-sub {
  color: var(--mw-text-2);
  font-size: 1rem;
  line-height: 1.55;
  margin: 0;
  max-width: 62ch;
}

/* ---- layout --------------------------------------------------------- */
.rules-layout { display: block; }

@media (min-width: 900px) {
  .rules-layout {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---- contents rail -------------------------------------------------- */
.rules-toc {
  margin: 0 0 32px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--mw-line);
}

@media (min-width: 900px) {
  .rules-toc {
    position: sticky;
    /* Clears the fixed nav bar, plus breathing room. */
    top: calc(var(--mw-nav-h) + 24px);
    margin: 0;
    padding: 0;
    border-bottom: 0;
    /* Its own scrollbar if the list ever outgrows the viewport, rather
       than letting the rail run off the bottom of a short window. */
    max-height: calc(100vh - var(--mw-nav-h) - 48px);
    overflow-y: auto;
  }
}

.rules-toc-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mw-text-6);
  margin: 0 0 10px;
}

.rules-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 14px;
}

@media (min-width: 900px) {
  .rules-toc ul { display: block; }
}

.rules-toc a {
  display: block;
  padding: 4px 0 4px 10px;
  border-left: 2px solid transparent;
  color: var(--mw-text-4);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1.35;
}

.rules-toc a:hover { color: var(--mw-gold-light); }

/* Set by rules.js as you scroll. The rail is a position indicator as
   much as a set of links -- in a document this long, "where am I" is
   the question it answers most often. */
.rules-toc a.current {
  color: var(--mw-gold-light);
  border-left-color: var(--mw-gold);
  font-weight: 600;
}

.rules-toc a:focus-visible {
  outline: 2px solid var(--mw-gold);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---- the prose ------------------------------------------------------ */
.rules-body { max-width: 100%; }

/* The measure is set on the text elements rather than on .rules-body,
   so it is counted in the size the text is actually set at -- a ch on
   the container is a wider character than a ch in a 0.9375rem
   paragraph, which is how the column ended up running past eighty
   characters a line. Tables are left out on purpose: they are read
   across, not along, and want the full column. */
.rules-body p,
.rules-body .rules-list,
.rules-body .rules-honors dd { max-width: 68ch; }

.rules-body section {
  padding-bottom: 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--mw-line);
}
.rules-body section:last-child { border-bottom: 0; }

/* An anchor jump must not tuck the heading under the fixed nav bar. */
.rules-body section { scroll-margin-top: calc(var(--mw-nav-h) + 20px); }

.rules-body h2 {
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--mw-gold-light);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--mw-gold);
}

.rules-body h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mw-gold);
  margin: 24px 0 8px;
}

.rules-body p {
  color: var(--mw-text-2);
  font-size: 0.9375rem;
  line-height: 1.62;
  margin: 0 0 12px;
}

.rules-body p:last-child { margin-bottom: 0; }
.rules-body strong { color: var(--mw-text-1); }

.rules-body a {
  color: var(--mw-accent);
  font-weight: 600;
  text-decoration: none;
}
.rules-body a:hover { text-decoration: underline; }

.rules-body code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.875em;
  background: var(--mw-raised);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--mw-text-1);
}

.rules-list {
  margin: 0 0 14px;
  padding-left: 20px;
  color: var(--mw-text-2);
  font-size: 0.9375rem;
  line-height: 1.6;
}
.rules-list li { margin-bottom: 8px; }
.rules-list li::marker { color: var(--mw-gold); }

/* ---- tables --------------------------------------------------------- */
.rules-table {
  width: 100%;
  border-collapse: collapse;
  margin: 4px 0 16px;
  font-size: 0.9375rem;
  /* Every table here is a table of numbers, whether or not the column
     is headed as one. */
  font-variant-numeric: tabular-nums;
}

.rules-table th,
.rules-table td {
  text-align: left;
  padding: 7px 14px 7px 0;
  border-bottom: 1px solid var(--mw-line);
  vertical-align: top;
}

.rules-table tbody th {
  color: var(--mw-text-1);
  font-weight: 600;
  width: 40%;
}

.rules-table td { color: var(--mw-text-2); }

.rules-table thead th {
  color: var(--mw-gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom-color: var(--mw-gold);
  width: auto;
}

.rules-table tr:last-child th,
.rules-table tr:last-child td { border-bottom: 0; }

.rules-table-num tbody td:first-child { color: var(--mw-text-1); }
.rules-table-num tbody td:last-child { color: var(--mw-gold-light); font-weight: 700; }

.rules-table-compare tbody th { width: 26%; }

/* ---- the honors list ------------------------------------------------ */
.rules-honors { margin: 0; }

.rules-honors dt {
  color: var(--mw-gold-light);
  font-weight: 700;
  font-size: 0.9375rem;
  margin-top: 14px;
}
.rules-honors dt:first-child { margin-top: 0; }

.rules-honors dd {
  margin: 3px 0 0;
  color: var(--mw-text-2);
  font-size: 0.9375rem;
  line-height: 1.55;
}

/* A long rulebook on a phone: the tables are the only thing that can
   force sideways scroll, so they get their own. */
@media (max-width: 560px) {
  .rules-table { display: block; overflow-x: auto; white-space: normal; }
  .rules-table tbody th { width: 45%; }
}

/* The pointer to /api at the foot of the rulebook. Same idea as the one
   on /about: this page is the human version of numbers a bot can also
   fetch, and the people who want the machine-readable one should be
   told where it is without it competing with the rules themselves. */
.rules-footnote {
  margin: 32px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--mw-line);
  color: var(--mw-text-6);
  font-size: 0.8125rem;
  line-height: 1.55;
  max-width: 68ch;
}

.rules-footnote a { color: var(--mw-gold); font-weight: 600; text-decoration: none; }
.rules-footnote a:hover { text-decoration: underline; }