/* Bounded editorial guide. Native MathML needs no remote mathematical fonts. */
.curve-guide {
  --cg-paper: var(--np-paper, #f9f9f7);
  --cg-ink: var(--np-ink, #111111);
  --cg-muted: var(--np-muted, #60605a);
  --cg-rule: var(--np-rule, #e5e5e0);
  --cg-red: var(--np-red, #cc0000);
  --cg-serif: var(--np-serif, Georgia, "Noto Serif CJK SC", SimSun, serif);
  --cg-sans: var(--np-sans, "Microsoft YaHei", "Segoe UI", sans-serif);
  --cg-mono: var(--np-mono, Consolas, "Courier New", monospace);
  margin: 24px 0;
  color: var(--cg-ink);
  background: var(--cg-paper);
  font: 14px/1.8 var(--cg-sans);
  min-width: 0;
}
.curve-guide *, .curve-guide *::before, .curve-guide *::after { box-sizing: border-box; border-radius: 0 !important; }
.curve-guide [hidden] { display: none !important; }
.curve-guide .cg-heading { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 16px; padding: 0 0 16px; border-bottom: 4px solid var(--cg-ink); }
.curve-guide :is(h2, h3, h4) { font-family: var(--cg-serif); font-weight: 700; color: var(--cg-ink); margin: 0; letter-spacing: -.02em; }
.curve-guide h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.15; }
.curve-guide h3 { font-size: 24px; line-height: 1.35; }
.curve-guide h4 { font-size: 21px; line-height: 1.4; }
.curve-guide .cg-kicker { color: var(--cg-muted); font: 11px/1.7 var(--cg-mono); letter-spacing: .08em; margin: 0 0 7px; }
.curve-guide .cg-edition { font: 11px/1.8 var(--cg-mono); color: var(--cg-muted); }
.curve-guide .cg-intro { max-width: 980px; margin: 16px 0 20px; font-family: var(--cg-serif); font-size: 17px; line-height: 1.8; }
.curve-guide .cg-units { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--cg-ink); border-left: 1px solid var(--cg-ink); margin: 0 0 24px; }
.curve-guide .cg-units > div { padding: 16px; border-right: 1px solid var(--cg-ink); border-bottom: 1px solid var(--cg-ink); }
.curve-guide .cg-units span { color: var(--cg-muted); font-size: 11px; }
.curve-guide .cg-units strong { display: block; font: 700 22px/1.45 var(--cg-mono); margin: 4px 0; }
.curve-guide .cg-units p { font-size: 12px; line-height: 1.8; margin: 0; }
.curve-guide details { border-top: 1px solid var(--cg-ink); padding: 0; background: transparent; }
.curve-guide summary { cursor: pointer; color: var(--cg-ink); font: 700 19px/1.5 var(--cg-serif); padding: 14px 0; }
.curve-guide summary span { font: 11px/1.7 var(--cg-mono); color: var(--cg-muted); margin-left: 12px; }
.curve-guide summary:hover { color: var(--cg-red); }
.curve-guide summary:focus-visible, .curve-guide a:focus-visible { outline: 2px solid var(--cg-ink); outline-offset: 3px; }
.curve-guide .cg-formula-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 1px solid var(--cg-rule); border-top: 1px solid var(--cg-rule); margin: 0 0 24px; }
.curve-guide .cg-formula { min-width: 0; border-right: 1px solid var(--cg-rule); border-bottom: 1px solid var(--cg-rule); padding: 20px; }
.curve-guide .cg-wide { grid-column: 1 / -1; }
.curve-guide .cg-equation { overflow-x: auto; overflow-y: hidden; padding: 18px 12px; margin: 12px 0 16px; background: #f0f0eb; border-left: 2px solid var(--cg-ink); font-family: "Cambria Math", "STIX Two Math", math, serif; color: var(--cg-ink); }
.curve-guide .cg-equation .katex { display: block; }
.curve-guide .cg-equation math { font-family: "Cambria Math", "STIX Two Math", math, serif; font-size: 1.25em; display: block; min-width: max-content; margin: 0 auto; }
.curve-guide .cg-equation-pending, .curve-guide .cg-math-fallback { font: 12px/1.8 var(--cg-mono); white-space: normal; }
.curve-guide .cg-variables { margin: 0; }
.curve-guide .cg-variables > div { display: grid; grid-template-columns: minmax(76px, .22fr) minmax(0, 1fr); gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--cg-rule); }
.curve-guide .cg-variables dt { font: 700 12px/1.8 var(--cg-mono); margin: 0; color: var(--cg-ink); overflow-wrap: anywhere; }
.curve-guide .cg-variables dd { font-size: 12px; line-height: 1.8; margin: 0; color: #484842; }
.curve-guide :is(.cg-use, .cg-limit) { font-size: 12px; line-height: 1.85; margin: 12px 0 0; color: var(--cg-ink); }
.curve-guide :is(.cg-use, .cg-limit) b { display: inline-block; margin-right: 8px; font-weight: 700; }
.curve-guide .cg-limit { color: var(--cg-muted); }
.curve-guide .cg-business { display: grid; grid-template-columns: 5fr 7fr; border-top: 3px solid var(--cg-ink); border-bottom: 1px solid var(--cg-ink); margin: 0 0 24px; }
.curve-guide .cg-business article { padding: 20px 24px 20px 0; }
.curve-guide .cg-business article + article { border-left: 1px solid var(--cg-ink); padding-left: 24px; }
.curve-guide .cg-business p:not(.cg-kicker) { font-size: 13px; line-height: 1.9; text-align: justify; margin: 10px 0 0; }
.curve-guide .cg-checks ol { list-style: decimal-leading-zero; padding-left: 34px; margin: 0 0 24px; }
.curve-guide .cg-checks li { padding: 9px 0 9px 8px; border-bottom: 1px solid var(--cg-rule); font-size: 13px; line-height: 1.85; }
.curve-guide .cg-checks li::marker { font-family: var(--cg-mono); font-weight: 700; color: var(--cg-red); }
.curve-guide .cg-checks b { margin-right: 10px; }
.curve-guide .cg-dictionary-note { font-size: 12px; color: var(--cg-muted); margin: 0 0 14px; }
.curve-guide .cg-field-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 8px; }
.curve-guide .cg-field-filters { display: flex; flex-wrap: wrap; gap: 0; }
.curve-guide .cg-field-filters button { font: 12px/1.5 var(--cg-sans); background: transparent; color: var(--cg-ink); border: 1px solid var(--cg-ink); padding: 8px 12px; min-height: 36px; margin-right: -1px; }
.curve-guide .cg-field-filters button[aria-pressed=true] { background: var(--cg-ink); color: var(--cg-paper); }
.curve-guide .cg-field-filters button:hover { background: #e5e5e0; color: var(--cg-ink); }
.curve-guide .cg-field-tools label { flex: 1; max-width: 360px; min-width: 240px; margin: 0; }
.curve-guide .cg-field-tools input { width: 100%; min-height: 36px; color: var(--cg-ink); background: transparent; border: 0; border-bottom: 2px solid var(--cg-ink); padding: 8px; font: 12px/1.5 var(--cg-mono); }
.curve-guide .cg-field-tools input::placeholder { color: var(--cg-muted); }
.curve-guide .cg-field-tools :is(button, input):focus-visible { outline: 2px solid var(--cg-ink); outline-offset: 3px; }
.curve-guide .cg-field-count { font: 11px/1.8 var(--cg-mono); color: var(--cg-muted); margin: 6px 0; }
.curve-guide .cg-field-table { overflow: auto; max-height: 680px; border: 1px solid var(--cg-ink); scrollbar-width: thin; }
.curve-guide .cg-field-table table { border-collapse: collapse; width: 100%; min-width: 780px; margin: 0; }
.curve-guide .cg-field-table thead th { position: sticky; top: 0; z-index: 1; background: #edede7; color: var(--cg-ink); border-bottom: 1px solid var(--cg-ink); text-align: left; font-size: 11px; padding: 10px 12px; white-space: nowrap; }
.curve-guide .cg-field-table tbody :is(th, td) { padding: 12px; border-right: 1px solid var(--cg-rule); border-bottom: 1px solid var(--cg-rule); color: var(--cg-ink); text-align: left; vertical-align: top; font-size: 12px; font-weight: 400; line-height: 1.85; }
.curve-guide .cg-field-table tbody th { width: 25%; min-width: 230px; }
.curve-guide .cg-field-table tbody th > span { display: block; font-weight: 700; }
.curve-guide .cg-field-table tbody code { font: 11px/1.8 var(--cg-mono); color: #60605a; background: transparent; padding: 0; overflow-wrap: anywhere; white-space: normal; }
.curve-guide .cg-field-kind { white-space: nowrap; font-size: 11px; }
.curve-guide .cg-unit { font-family: var(--cg-mono); min-width: 160px; }
.curve-guide .cg-field-empty { color: var(--cg-muted); text-align: center; padding: 16px; }
.curve-guide .cg-footnote { display: block; width: auto; max-width: none; border-top: 1px solid var(--cg-ink); color: var(--cg-muted); font-size: 11px; line-height: 1.8; margin-top: 24px; padding: 12px 0 0; }
.curve-guide .cg-footnote p { margin: 0 0 5px; }
.curve-guide .cg-footnote a { color: var(--cg-ink); text-decoration: underline; text-decoration-color: var(--cg-red); text-underline-offset: 3px; }
.curve-guide .cg-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
/* Outrank the legacy workbench's general heading/summary rules. */
body.newsprint-theme .data-build .curve-guide h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.15; }
body.newsprint-theme .data-build .curve-guide h3 { font-size: 24px; line-height: 1.35; }
body.newsprint-theme .data-build .curve-guide details > summary { color: var(--cg-ink); font: 700 19px/1.5 var(--cg-serif); padding: 14px 0; }
body.newsprint-theme .data-build .curve-guide details > summary:hover { color: var(--cg-red); }
@media (max-width: 767px) {
  .curve-guide .cg-formula-grid, .curve-guide .cg-units, .curve-guide .cg-business { grid-template-columns: 1fr; }
  .curve-guide .cg-wide { grid-column: auto; }
  .curve-guide .cg-formula { padding: 16px 12px; }
  .curve-guide .cg-equation { padding: 16px 10px; }
  .curve-guide .cg-equation math { font-size: 1.12em; }
  .curve-guide .cg-business article, .curve-guide .cg-business article + article { padding: 18px 0; border-left: 0; }
  .curve-guide .cg-business article + article { border-top: 1px solid var(--cg-ink); }
  .curve-guide summary { min-height: 44px; }
  .curve-guide summary span { display: block; margin: 4px 0 0; }
  .curve-guide .cg-field-tools label { width: 100%; max-width: none; min-width: 0; }
  .curve-guide .cg-field-tools :is(input, button) { min-height: 44px; }
  .curve-guide .cg-field-tools button { min-width: 44px; }
  .curve-guide .cg-field-table { max-height: 550px; }
}
@media print {
  .curve-guide details > * { display: block; }
  .curve-guide .cg-field-tools { display: none; }
  .curve-guide .cg-field-table { max-height: none; overflow: visible; }
  .curve-guide .cg-equation { overflow: visible; background: transparent; }
  .curve-guide .cg-formula { break-inside: avoid; }
}