/* cordis-pic-ror docs site
 *
 * Palette: EU Reflex Blue (#003399) as primary, ROR coral (#dc4123) for
 * secondary / review accents, EU yellow (#ffcc00) sparingly for highlights.
 * Cool whites and slate grays everywhere else. Vanilla CSS, no build step,
 * no network fonts.
 */

:root {
  --bg: #f7f8fb;
  --bg-elev: #ffffff;
  --bg-soft: #eef2f7;
  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-muted: #94a3b8;

  /* EU Reflex Blue — primary action / link color. */
  --accent: #003399;
  --accent-hover: #00257a;
  --accent-soft: #c5d3ec;
  --accent-bg: #eaf0fb;

  /* ROR coral — secondary accent + "review" status. */
  --accent-2: #dc4123;
  --accent-2-soft: #fce0d9;

  /* EU yellow — sparing highlight (used on "high" pill, callouts). */
  --highlight: #ffcc00;
  --highlight-soft: #fff5b2;

  /* Status. */
  --good: #1a7f37;     /* high confidence / accept */
  --warn: #b54708;     /* medium */
  --bad: #dc4123;      /* review (matches ROR coral) */
  --grey: #6b7280;

  --border: #cbd5e1;
  --border-soft: #e2e8f0;
  --code-bg: #f1f5f9;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 0 0 1px rgba(15, 23, 42, 0.06);

  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Berkeley Mono", "SF Mono", Menlo, Consolas, "Liberation Mono",
    monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-soft); }
a:hover { border-bottom-color: var(--accent); }

code, pre, .mono { font-family: var(--font-mono); }
code { background: var(--code-bg); padding: 0.05em 0.3em; border-radius: 3px; font-size: 0.92em; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 0.9em 1em;
  overflow-x: auto;
  font-size: 0.85em;
  line-height: 1.5;
}
pre code { background: transparent; padding: 0; }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.25; letter-spacing: -0.005em; }
h1 { font-size: 2.1rem; margin: 0 0 0.4em; }
h2 { font-size: 1.4rem; margin: 2.6rem 0 0.6rem; padding-bottom: 0.3em; border-bottom: 1px solid var(--border-soft); }
h3 { font-size: 1.08rem; margin: 1.6rem 0 0.4rem; color: var(--ink); }
h4 { font-size: 0.95rem; margin: 1.2rem 0 0.3rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.04em; }

p { margin: 0.6em 0; }
ul, ol { margin: 0.5em 0 0.7em; padding-left: 1.4em; }
li { margin: 0.25em 0; }
hr { border: none; border-top: 1px solid var(--border-soft); margin: 2.4rem 0; }

/* ---------------- Layout ---------------- */

header.site {
  position: sticky;
  top: 0;
  background: rgba(247, 248, 251, 0.94);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--border-soft);
  z-index: 50;
}
/* EU-style narrow blue stripe at the very top — recognisable institutional cue. */
header.site::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--accent) 70%,
    var(--accent-2) 70%,
    var(--accent-2) 100%
  );
}
header.site .inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.8rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex-wrap: wrap;
}
header.site .brand {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
  border-bottom: none;
  color: var(--accent);
  font-size: 0.95rem;
}
header.site nav { display: flex; gap: 1.1rem; flex: 1; }
header.site nav a {
  border-bottom: 2px solid transparent;
  padding-bottom: 0.15em;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
header.site nav a:hover { color: var(--ink); border-bottom-color: var(--border); }
header.site nav a.active { color: var(--ink); border-bottom-color: var(--accent); }
header.site .gh {
  font-size: 0.85rem;
  color: var(--ink-muted);
  border-bottom: none;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.6rem 1.4rem 4rem;
}

footer.site {
  border-top: 1px solid var(--border-soft);
  padding: 2rem 1.4rem;
  margin-top: 4rem;
  text-align: center;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

/* ---------------- Hero ---------------- */

.hero {
  padding: 1.5rem 0 0.8rem;
  margin-bottom: 1.8rem;
  border-bottom: 1px dashed var(--border-soft);
}
.hero h1 { margin-bottom: 0.2em; }
.hero .lede {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 64ch;
}

/* ---------------- Cards / blocks ---------------- */

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 1.2rem 1.3rem;
  margin: 1rem 0;
  box-shadow: var(--shadow);
}

.callout {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  padding: 0.8rem 1rem;
  margin: 1rem 0;
  border-radius: 0 4px 4px 0;
  font-size: 0.95rem;
}
.callout.warn { border-left-color: var(--warn); }
.callout.good { border-left-color: var(--good); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  margin: 1.2rem 0;
  align-items: start;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.2rem 0;
  align-items: start;
}
@media (max-width: 720px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  header.site nav { gap: 0.8rem; }
}

.stat {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 0.9rem 1rem;
}
.stat .label { font-size: 0.8rem; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat .value { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 600; line-height: 1.1; }
.stat .sub { font-size: 0.85rem; color: var(--ink-soft); margin-top: 0.2em; }

/* ---------------- Tables ---------------- */

table.data {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.88rem;
  font-family: var(--font-mono);
  margin: 1rem 0;
}
table.data th, table.data td {
  border-bottom: 1px solid var(--border-soft);
  padding: 0.45em 0.7em;
  text-align: left;
  vertical-align: top;
}
table.data th {
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
table.data tr:hover td { background: var(--bg-soft); }
table.data td.num { text-align: right; }
table.data td.muted { color: var(--ink-muted); }
table.data td.name { font-family: var(--font-sans); }

/* ---------------- Pipeline diagram ---------------- */

/* Two-column layout: diagram left, explanation right (stacks on mobile). */
.pipeline-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.85fr) 1fr;
  gap: 2.4rem;
  align-items: start;
  margin: 1rem 0 2rem;
}
.pipeline-layout > .explanation > :first-child { margin-top: 0; }
.pipeline-layout .info-card-stack {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
@media (max-width: 880px) {
  .pipeline-layout { grid-template-columns: 1fr; gap: 1.2rem; }
}

.diagram {
  position: relative;
  max-width: 760px;
  margin: 1.5rem auto 2rem;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 1.2rem 1rem 1.4rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

/* Each stage is a plain section. The items inside are individually expandable. */
.d-stage {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--ink-muted);
  border-radius: 6px;
  font-size: 0.9rem;
  padding: 0.85rem 1rem 0.95rem;
}
.d-stage h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}
.d-stage-intro {
  margin: 0.2rem 0 0.5rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Item-level collapsibles: one per source / strategy / confidence-level. */
.d-item {
  border-top: 1px solid var(--border-soft);
}
.d-item:first-of-type {
  border-top: 1px solid var(--border-soft);
  margin-top: 0.45rem;
}
.d-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.55rem 0 0.55rem 1.2em;
  position: relative;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.d-item > summary::-webkit-details-marker { display: none; }
.d-item > summary::before {
  content: "";
  position: absolute;
  left: 0.15em;
  top: 0.95em;
  width: 0.45em;
  height: 0.45em;
  border-right: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
  transition: transform 0.18s ease;
}
.d-item[open] > summary::before {
  transform: rotate(45deg);
}
.d-item > summary:hover .d-item-name { color: var(--accent); }
.d-item-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  transition: color 0.15s ease;
}
.d-item-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
  font-weight: 400;
}
.d-item > p {
  margin: 0 0 0.7rem 1.2em;
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.55;
}
.d-item > p a { color: var(--accent); }
.d-item > .d-strategies {
  margin: 0.1em 0 0.7rem 1.2em;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em;
  align-items: baseline;
}
.d-item > .d-strategies .d-strategies-label {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  margin-right: 0.2em;
}

.d-list { margin: 0.3em 0 0; padding-left: 1.2em; font-size: 0.88rem; color: var(--ink-soft); }
.d-list li { margin: 0.15em 0; }

.d-counts {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  width: max-content;
  max-width: 100%;
  border-collapse: collapse;
  margin: 0.5em 0 0.2em;
}
.d-counts td {
  padding: 0.18em 0;
  white-space: nowrap;
}
.d-counts td:first-child {
  color: var(--ink);
  padding-right: 2rem;
}
.d-counts td:last-child {
  text-align: right;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.d-counts td:last-child span { font-weight: 600; }

.d-summary {
  margin: 0.45em 0 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.d-confidence {
  display: flex;
  gap: 0.5rem;
  margin: 0.5em 0 0;
  flex-wrap: wrap;
}

.d-arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.55em;
  color: var(--ink-muted);
  font-size: 0.78rem;
  padding: 0.05rem 0;
}
.d-arrow .d-arrow-glyph {
  font-size: 0.8rem;
  color: var(--accent);
}
.d-arrow .d-arrow-label {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.d-fork, .d-merge {
  position: relative;
  height: 56px;
  margin: -0.15rem 0;
}
.d-fork svg, .d-merge svg {
  display: block;
  width: 100%;
  height: 100%;
}
.d-fork svg path, .d-merge svg path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
}
.d-fork svg polygon, .d-merge svg polygon {
  fill: var(--accent);
}
.d-fork-label {
  position: absolute;
  bottom: -0.35em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  background: var(--bg-elev);
  padding: 0 0.4em;
}
.d-fork-label.d-fork-left  { left: 14%; transform: translateX(-50%); color: var(--good); }
.d-fork-label.d-fork-right { left: 86%; transform: translateX(-50%); color: var(--accent-2); }

.d-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}
@media (max-width: 720px) {
  .d-row { grid-template-columns: 1fr; }
  .d-fork, .d-merge { display: none; }
}

.stage-source   { border-left-color: var(--ink-muted); }
.stage-raw      { border-left-color: var(--accent); }
.stage-derive   { border-left-color: #6e8b3d; }
.stage-resolve  { border-left-color: var(--good); }
.stage-publish  { border-left-color: var(--highlight); }
.stage-curation { border-left-color: var(--accent-2); }
.stage-consumer { border-left-color: var(--ink); }

/* Compact one-liner for stages without a count table. */
.d-mini {
  margin: 0.4em 0 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
}
.d-count-inline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
  font-weight: 400;
  margin-left: 0.4em;
}

/* ---------------- Info accordion (How it works) ---------------- */

.info-card {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 0;
  box-shadow: var(--shadow);
}
.info-card summary {
  list-style: none;
  cursor: pointer;
  padding: 0.9rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  border-radius: 8px;
  user-select: none;
}
.info-card summary::-webkit-details-marker { display: none; }
.info-card summary h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
}
.info-card summary:hover { background: var(--bg-soft); }
.info-card[open] summary { border-bottom: 1px solid var(--border-soft); border-radius: 8px 8px 0 0; }

.info-toggle {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  position: relative;
  flex: 0 0 auto;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.info-toggle::before, .info-toggle::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.info-toggle::before {
  /* horizontal bar */
  top: 50%; left: 22%; right: 22%;
  height: 1.5px;
  margin-top: -0.75px;
}
.info-toggle::after {
  /* vertical bar */
  left: 50%; top: 22%; bottom: 22%;
  width: 1.5px;
  margin-left: -0.75px;
}
.info-card[open] .info-toggle::after { transform: scaleY(0); opacity: 0; }
.info-card summary:hover .info-toggle { background: var(--accent-bg); }

.info-card > p,
.info-card > div {
  padding: 0.2rem 1.1rem;
  margin: 0.5em 0;
  color: var(--ink);
  font-size: 0.92rem;
}
.info-card > p:first-of-type { margin-top: 0.7em; }
.info-card > p:last-of-type { padding-bottom: 1rem; }
.info-card[open] > div:last-child { padding-bottom: 1.1rem; }

/* ---------------- Confidence pills ---------------- */

.pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.1em 0.6em;
  border-radius: 999px;
  border: 1px solid currentColor;
}
.pill.high   { color: var(--good); }
.pill.medium { color: var(--warn); }
.pill.review { color: var(--bad); }
.pill.skip   { color: var(--grey); }
.pill.manual { color: var(--accent); }

/* ---------------- Sliders / interactivity ---------------- */

.slider-block {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 1.1rem 1.2rem;
  margin: 1.2rem 0;
}
.slider-block label {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--ink-soft);
}
.slider-block input[type=range] {
  flex: 1;
  accent-color: var(--accent);
}
.slider-block .readout {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  min-width: 6rem;
  text-align: right;
}
.slider-block .summary {
  margin-top: 0.7em;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.slider-block .summary .num {
  font-family: var(--font-mono);
  color: var(--ink);
  font-weight: 600;
}

/* ---------------- Coverage chart (simple SVG) ---------------- */

.chart {
  width: 100%;
  height: 240px;
  display: block;
}
.chart .axis line, .chart .axis path { stroke: var(--border); }
.chart .axis text { fill: var(--ink-muted); font-size: 11px; font-family: var(--font-mono); }
.chart .area { fill: rgba(46, 94, 138, 0.15); }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 2; }
.chart .marker { fill: var(--accent); }

/* ---------------- Confidence bar ---------------- */

.bar {
  display: flex;
  height: 22px;
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
}
.bar > span {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0 0.4em;
}
.bar-segment.high   { background: var(--good); }
.bar-segment.medium { background: var(--warn); }
.bar-segment.review { background: var(--accent-2); }
.bar-segment.skip   { background: var(--grey); color: #fff; }
.bar-legend {
  display: flex;
  gap: 1.2em;
  margin-top: 0.5em;
  font-size: 0.8rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
}
.bar-legend .swatch {
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  border-radius: 2px;
  margin-right: 0.4em;
  vertical-align: middle;
}

/* ---------------- Misc ---------------- */

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 3px;
  padding: 0.05em 0.45em;
  color: var(--ink-soft);
  margin-right: 0.3em;
}

.muted { color: var(--ink-muted); }
.small { font-size: 0.85rem; }