:root {
  --fg: #222;
  --muted: #666;
  --line: #e5e7eb;
  --bg-soft: #eef7ec;
  --accent: #4B9E5F;
  --pass: #2c8a3a;
  --warn: #d68f00;
  --fail: #b8302c;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--fg);
  margin: 2em auto;
  max-width: 1100px;
  padding: 0 1.5em;
  line-height: 1.5;
}
header { border-bottom: 2px solid var(--line); padding-bottom: 0.5em;
         margin-bottom: 1em; }
h1 { margin: 0.2em 0; }
h2 { margin-top: 2em; padding-bottom: 0.3em; border-bottom: 1px solid var(--line); }
h3 { margin-top: 1.2em; }
nav.breadcrumb { font-size: 0.9em; color: var(--muted);
                 margin-bottom: 0.5em; }
nav.breadcrumb a { color: var(--accent); text-decoration: none; }
nav.breadcrumb a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.build-warning {
  padding: .75rem 1rem;
  border: 1px solid #b45309;
  background: #fffbeb;
  color: #78350f;
}
.small { font-size: 0.85em; }
.right { text-align: right; }
.curie { font-family: ui-monospace, "SF Mono", Menlo, monospace;
         color: var(--muted); padding: 0.1em 0.4em;
         background: var(--bg-soft); border-radius: 3px; font-size: 0.95em; }
.badge { display: inline-block; padding: 0.15em 0.55em;
         margin-left: 0.3em; border-radius: 3px; background: var(--bg-soft);
         color: #444; font-size: 0.85em; font-weight: 500; }
.prewrap { white-space: pre-wrap; }
ul.inline { display: inline; padding: 0; margin: 0; list-style: none; }
ul.inline li { display: inline; }
ul.inline li:not(:last-child)::after { content: ", "; color: var(--muted); }
dl.kv { display: grid; grid-template-columns: max-content 1fr;
        gap: 0.4em 1em; margin: 1em 0; }
dl.kv dt { color: var(--muted); font-size: 0.9em; }
dl.kv dd { margin: 0; }
table { border-collapse: collapse; width: 100%; margin: 1em 0;
        font-size: 0.92em; }
table th, table td { padding: 0.5em 0.7em; text-align: left;
                     border-bottom: 1px solid var(--line);
                     vertical-align: top; }
table th { background: var(--bg-soft); font-weight: 600;
           font-size: 0.88em; text-transform: uppercase;
           letter-spacing: 0.03em; }
table.ingredients td.right, table.ingredients th.right {
  font-variant-numeric: tabular-nums;
}
table.curation td { font-size: 0.88em; }
ol.prep { padding-left: 1.4em; }
.solution { padding: 1em; border: 1px solid var(--line); border-radius: 6px;
            margin: 1em 0; background: var(--bg-soft); }
ul.medium-index { padding-left: 1em; columns: 2; column-gap: 2em;
                  font-size: 0.92em; }
ul.medium-index li { break-inside: avoid; padding: 0.1em 0; overflow-wrap: anywhere; min-width: 0; }
ul.medium-index code { color: var(--muted); font-size: 0.85em; }
section { margin-bottom: 1.5em; }
footer { margin-top: 3em; padding-top: 1em;
         border-top: 1px solid var(--line); color: var(--muted);
         font-size: 0.85em; }
a { color: var(--accent); }

/* ---- Dark theme (OS default; superseded by the toggle) ---- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fg: #eaf0e6;
    --muted: #9db09a;
    --line: #2e3a2c;
    --bg-soft: #1c2118;
    --accent: #6cc47f;
    --pass: #34d399;
    --warn: #fbbf24;
    --fail: #f87171;
  }
  :root:not([data-theme="light"]) body { background: #12160f; }
  :root:not([data-theme="light"]) .badge { color: var(--fg); }
}
:root[data-theme="dark"] {
  --fg: #eaf0e6;
  --muted: #9db09a;
  --line: #2e3a2c;
  --bg-soft: #1c2118;
  --accent: #6cc47f;
  --pass: #34d399;
  --warn: #fbbf24;
  --fail: #f87171;
}
:root[data-theme="dark"] body { background: #12160f; }
:root[data-theme="dark"] .badge { color: var(--fg); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Formula, mass and supplier sit under the ingredient name rather than in
   columns of their own: they are properties of the shared ChEBI term, and a
   seven-column ingredients table stops fitting on a laptop. */
table.ingredients .structure,
table.ingredients .supplier { margin-top: 0.15em; line-height: 1.35; }
table.ingredients .formula {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.01em;
}
table.ingredients .formula + .mass::before { content: " \00B7 "; }

/* Composition diagrams. Node geometry is set in mermaid-init.js — mermaid
   measures label boxes in JS before any of this applies — so these rules only
   keep the finished SVG inside the page. */
pre.mermaid { margin: 1em 0; overflow-x: auto; }
pre.mermaid svg { max-width: 100%; height: auto; }

/* Keep wide scientific tables scrollable inside a readable mobile viewport. */
* { box-sizing: border-box; }
body { overflow-wrap: anywhere; }
table { display: block; max-width: 100%; overflow-x: auto; }
dl.kv { grid-template-columns: minmax(0, max-content) minmax(0, 1fr); }
.skip-link { position: absolute; left: -10000px; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--bg-soft); padding: .75rem; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.theme-toggle { position: fixed; bottom: 1rem; right: 1rem; padding: .6rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--bg-soft); color: var(--fg); cursor: pointer; }
@media (max-width: 600px) {
  body { margin: 1rem auto; padding: 0 1rem; }
  dl.kv { grid-template-columns: minmax(0, 1fr); }
  ul.medium-index { columns: 1; }
}
.composition-frame { display: block; width: 100%; border: 1px solid var(--line); border-radius: .3rem; }