/* cookbook.css — styles for static cookbook pages.
   Loaded by every /cookbook/*.html alongside ../colors_and_type.css.
   Token reference: ../colors_and_type.css */

@import url('../colors_and_type.css');

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--fg-1);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
html { scroll-behavior: smooth; }
a { color: inherit; }

/* ---- shared site nav (mirrors components/Nav.jsx visually) ---- */
.cb-nav-bar {
  position: sticky; top: 0; z-index: 50;
  background: rgb(55 34 78 / 88%);
  border-bottom: 1px solid var(--rule);
}
.cb-nav-inner {
  max-width: 1320px; margin: 0 auto;
  padding: 14px 32px;
  display: flex; align-items: center; gap: 32px;
}
.cb-brand {
  font-family: var(--font-mono); font-size: 14px; font-weight: 500;
  color: var(--fg-1); text-decoration: none; letter-spacing: -0.01em;
}
.cb-brand .dot { color: var(--accent); }
.cb-nav-links { display: flex; gap: 24px; margin-left: auto; }
.cb-nav-links a {
  font-family: var(--font-mono); font-size: 13px;
  color: var(--fg-2); text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.cb-nav-links a:hover { color: var(--fg-1); }

/* ---- recipe page ---- */
.cb-page {
  max-width: 1320px; margin: 0 auto;
  padding: 40px 32px 80px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 48px;
  align-items: start;
}
@media (max-width: 980px) {
  .cb-page { grid-template-columns: 1fr; }
  .cb-toc { display: none; }
}

.cb-eyebrow {
  display: flex; align-items: baseline; gap: 14px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-3); margin-bottom: 12px;
}
.cb-eyebrow .cat { color: var(--accent); }
.cb-eyebrow .num { color: var(--fg-3); }

.cb-title {
  margin: 0 0 16px;
  font-family: var(--font-sans); font-size: 40px; font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.1; color: var(--fg-1);
 max-width: 780px;
}
.cb-problem {
  margin: 0 0 32px; max-width: 720px;
  font-size: 17px; line-height: 1.6; color: var(--fg-2);
}
.cb-problem code, .cb-note code {
  font-family: var(--font-mono); font-size: 0.92em;
  background: var(--bg-2); border: 1px solid var(--rule);
  padding: 1px 6px; border-radius: 4px; color: var(--fg-1);
}

.cb-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 32px; }
.cb-tag {
  padding: 3px 10px; border-radius: 3px;
  font-family: var(--font-mono); font-size: 11px;
  background: var(--bg-2); color: var(--fg-2);
  border: 1px solid var(--rule); text-decoration: none;
  transition: all var(--dur-fast) var(--ease);
}
.cb-tag:hover { color: var(--fg-1); border-color: var(--rule-2); }

.cb-triple {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--rule);
  border: 1px solid var(--rule); border-radius: 8px;
  margin: 0 0 32px; overflow: hidden;
}
.cb-triple > div { padding: 14px 18px; background: var(--bg-1); }
.cb-triple dt {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-3); margin: 0 0 4px;
}
.cb-triple dd {
  margin: 0; font-family: var(--font-mono); font-size: 14px;
  color: var(--fg-1);
}

.cb-section { margin: 40px 0 0; }
.cb-section h2 {
  margin: 0 0 16px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-3);
}

.cb-block {
  margin: 0 0 18px;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
}
.cb-block-head {
  padding: 8px 16px;
  border-bottom: 1px solid var(--rule);
  background: rgb(0 0 0 / 12%);
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fg-3);
}
.cb-pre {
  margin: 0; padding: 20px 24px;
  font-family: var(--font-mono); font-size: 13.5px; line-height: 1.7;
  white-space: pre-wrap; word-break: normal; overflow: auto;
  color: var(--fg-1);
}
.cb-pre code { font: inherit; background: none; border: 0; padding: 0; }

.cb-graph {
  background: var(--bg-1); border: 1px solid var(--rule);
  border-radius: 8px; padding: 16px;
}

.cb-note {
  margin: 0; max-width: 720px;
  padding-left: 16px; border-left: 2px solid var(--rule-2);
  font-size: 15px; line-height: 1.6; color: var(--fg-2);
}

.cb-empty {
  padding: 32px; text-align: center;
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-3);
  border: 1px dashed var(--rule-2); border-radius: 8px;
}

.cb-prevnext {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--rule);
}
.cb-nav {
  display: flex; flex-direction: column; gap: 4px;
  padding: 16px 20px; max-width: 360px;
  border: 1px solid var(--rule); border-radius: 8px;
  text-decoration: none; background: var(--bg-1);
  transition: border-color var(--dur-fast) var(--ease);
}
.cb-nav:hover { border-color: var(--rule-2); }
.cb-nav.next { text-align: right; }
.cb-nav-label {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-3);
}
.cb-nav-title { font-size: 15px; color: var(--fg-1); }

/* ---- right-rail TOC ---- */
.cb-toc {
  position: sticky; top: 80px;
  font-family: var(--font-mono); font-size: 12px;
}
.cb-toc-head {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-3); margin: 0 0 12px;
}
.cb-toc ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.cb-toc a {
  display: block; padding: 4px 10px;
  border-left: 2px solid transparent;
  color: var(--fg-2); text-decoration: none;
  transition: all var(--dur-fast) var(--ease);
}
.cb-toc a:hover, .cb-toc a.active {
  color: var(--fg-1); border-left-color: var(--accent);
}

/* ---- index page ---- */
.cb-index-hero {
  max-width: 1320px; margin: 0 auto;
  padding: 40px 32px 24px;
}
.cb-index-eyebrow {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.cb-index-title {
  margin: 0 0 12px;
  font-family: var(--font-sans); font-size: 40px; font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.1; color: var(--fg-1);
  max-width: 800px;
}
.cb-index-sub {
  margin: 0; max-width: 680px;
  font-size: 16px; line-height: 1.55; color: var(--fg-2);
}

/* Matrix-picker callout — visually distinct from index sub */
.cb-matrix-callout {
  display: flex; align-items: center; gap: 16px;
  margin-top: 24px; max-width: 680px;
  padding: 16px 20px;
  background: linear-gradient(180deg,
    rgb(40 122 112 / 12%) 0%,
    rgb(40 122 112 / 6%) 100%);
  border: 1px solid rgb(95 190 177 / 35%);
  border-radius: 8px;
  text-decoration: none; color: var(--fg-1);
  transition: all var(--dur-fast) var(--ease);
}
.cb-matrix-callout:hover {
  border-color: var(--accent);
  background: linear-gradient(180deg,
    rgb(40 122 112 / 18%) 0%,
    rgb(40 122 112 / 10%) 100%);
}
.cb-matrix-callout-eyebrow {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent);
  align-self: stretch;
  display: flex; align-items: center;
  padding-right: 14px;
  border-right: 1px solid rgb(95 190 177 / 25%);
  white-space: nowrap;
}
.cb-matrix-callout-body {
  flex: 1; font-size: 14px; line-height: 1.5; color: var(--fg-2);
}
.cb-matrix-callout-body strong {
  display: block; color: var(--fg-1); font-weight: 600; margin-bottom: 2px;
}
.cb-matrix-callout-arrow {
  font-family: var(--font-mono); font-size: 18px; color: var(--accent);
  transition: transform var(--dur-fast) var(--ease);
}
.cb-matrix-callout:hover .cb-matrix-callout-arrow { transform: translateX(3px); }

.cb-index-body {
  max-width: 1320px; margin: 0 auto;
  padding: 0 32px 80px;
  display: grid; grid-template-columns: 260px 1fr; gap: 40px;
  align-items: start;
}
@media (max-width: 980px) {
  .cb-index-body { grid-template-columns: 1fr; }
  .cb-index-rail { position: static; }
}

.cb-index-rail {
  position: sticky; top: 80px;
  border-right: 1px solid var(--rule);
  padding-right: 20px;
}
.cb-search {
  width: 100%; padding: 8px 32px 8px 12px;
  background: var(--bg-2); border: 1px solid var(--rule-2);
  border-radius: 4px; font-family: var(--font-mono); font-size: 13px;
  color: var(--fg-1); outline: none;
}
.cb-search-wrap { position: relative; margin-bottom: 12px; }
.cb-search-clear {
  position: absolute; top: 50%; right: 8px; transform: translateY(-50%);
  background: transparent; border: 0; color: var(--fg-3); cursor: pointer;
  font-size: 14px; padding: 0; line-height: 1;
}
.cb-rail-head {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-3); margin: 16px 0 8px;
}
.cb-count {
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-3);
  margin-bottom: 12px;
}
.cb-tag-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.cb-tag-chip {
  padding: 3px 8px; border-radius: 3px;
  font-family: var(--font-mono); font-size: 11px;
  background: var(--bg-2); color: var(--fg-2);
  border: 1px solid var(--rule); cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}
.cb-tag-chip:hover { border-color: var(--rule-2); color: var(--fg-1); }
.cb-tag-chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.cb-tag-n {
  margin-left: 4px; color: rgb(255 255 255 / 60%);
  font-size: 10px;
}

.cb-group { margin-bottom: 40px; }
.cb-group-head {
  margin: 0 0 12px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
  display: flex; align-items: baseline; gap: 8px;
  background: transparent; border: 0; padding: 8px 0;
  cursor: pointer; width: 100%; text-align: left;
}
.cb-group-head:hover { color: var(--fg-1); }
.cb-group-caret {
  display: inline-block; transition: transform var(--dur-fast) var(--ease);
  color: var(--fg-3); font-size: 10px;
}
.cb-group.open .cb-group-caret { transform: rotate(90deg); }
.cb-group-name { color: inherit; }
.cb-group-count { color: var(--fg-3); margin-left: auto; }
.cb-list {
  list-style: none; margin: 0; padding: 0;
  display: none;
}
.cb-group.open .cb-list { display: block; }
.cb-row { border-bottom: 1px solid var(--rule); }
.cb-row a {
  display: grid;
  grid-template-columns: 32px minmax(180px, 1fr) minmax(0, 2fr) auto;
  gap: 16px; align-items: baseline;
  padding: 14px 0;
  text-decoration: none; color: var(--fg-1);
  transition: background var(--dur-fast) var(--ease);
}
.cb-row a:hover { background: rgb(255 255 255 / 2%); }
.cb-row-n { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.cb-row-title { font-size: 15px; color: var(--fg-1); }
.cb-row-problem { font-size: 14px; color: var(--fg-2); }
.cb-row-tags { display: flex; gap: 4px; }
.cb-row-tag {
  font-family: var(--font-mono); font-size: 10px;
  padding: 2px 6px; border-radius: 3px;
  background: var(--bg-2); border: 1px solid var(--rule);
  color: var(--fg-3);
}
.cb-row.hidden { display: none; }
.cb-group.hidden { display: none; }

/* ---- triples picker ---- */
.cb-axes { display: grid; gap: 24px; margin: 32px 0; }
.cb-axis {
  display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: center;
}
.cb-axis-label {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-3);
}
.cb-axis-options { display: flex; flex-wrap: wrap; gap: 6px; }
.ax-btn {
  padding: 6px 12px; border-radius: 4px;
  font-family: var(--font-mono); font-size: 12px;
  background: var(--bg-2); color: var(--fg-2);
  border: 1px solid var(--rule); cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}
.ax-btn:hover { border-color: var(--rule-2); color: var(--fg-1); }
.ax-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.ax-btn.disabled { opacity: 0.32; cursor: not-allowed; }

.cb-matches { margin-top: 32px; }
.cb-matches h2 {
  margin: 0 0 12px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-3);
}
.cb-match {
  display: flex; align-items: baseline; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--rule);
  text-decoration: none; color: var(--fg-1);
}
.cb-match:hover { background: rgb(255 255 255 / 2%); }
.cb-match-title { font-size: 15px; flex: 1; }
.cb-match-triple {
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-3);
}

/* ---- footer ---- */
.cb-footer {
  border-top: 1px solid var(--rule);
  padding: 32px;
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-3);
  text-align: center;
}
.cb-footer a { color: var(--fg-2); text-decoration: none; }
.cb-footer a:hover { color: var(--fg-1); }