/* Math cheat sheet. Uses the palette in styles.css. Square edges, no new colors. */

.math-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 12px 0;
}
.math-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 8px;
}
.math-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 4px;
}
.math-banner { margin: 26px 0 0; }
.math-sec { scroll-margin-top: 78px; }
.math-sec h2 {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 8px;
}
.math-sec > .lede { margin-top: 0; }

.formula { margin-top: 14px; }
.formula-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}
.formula-head h3 {
  margin: 0;
  font-size: 1.08rem;
  flex: 1 1 14rem;
}
.math-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.math-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  line-height: 1.2;
  padding: 4px 8px;
  border: 1px solid var(--line);
  white-space: nowrap;
}
.math-badge.sheet {
  background: var(--amber);
  color: var(--amber-ink);
  border-color: var(--amber);
  font-weight: 700;
}
.math-badge.mem {
  background: var(--cyan);
  color: var(--cyan-ink);
  border-color: var(--cyan);
  font-weight: 700;
}
.math-badge.thumb {
  background: transparent;
  color: var(--amber);
  border-color: var(--amber);
  font-weight: 700;
}

.eq {
  font-family: var(--mono);
  color: var(--amber-2);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  padding: 8px 10px;
  margin: 8px 0 0;
  max-width: 100%;
  overflow-x: auto;
  white-space: normal;
  overflow-wrap: anywhere;
  font-size: 0.95rem;
}
.formula h4 {
  margin: 14px 0 4px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}
.formula p { margin: 8px 0; }
.formula .example { color: var(--text); }
.vars, .steps { margin: 0; padding-left: 1.2rem; }
.vars li, .steps li { margin: 4px 0; }
.vars b {
  color: var(--amber);
  font-family: var(--mono);
  font-weight: 700;
}
.math-end { margin-top: 22px; }

@media (max-width: 640px) {
  .eq { font-size: 0.86rem; padding: 8px; }
  .formula { padding: 12px; }
  .formula-head h3 { flex-basis: 100%; }
  .math-jump .btn { flex: 1 1 calc(50% - 6px); }
}