/* FONTS
   Same Word-to-PDF pipeline as the Collider guide, and the same faces:
     Calibri Regular / Italic (400), Bold (700) -> Carlito (metric-compatible)
     ArialMT (cover title) -> Arial
   Run-in heads and table labels are Calibri-Bold: 700, no semibold anywhere.
   Unlike the Collider's companion guides, none of EQ2's three PDFs use Cambria. */
@import url("https://fonts.googleapis.com/css2?family=Carlito:ital,wght@0,400;0,700;1,400;1,700&display=swap");

/* PALETTE — pixel-sampled off the EQ2 manual's pages; identical to the Collider guide's
   tokens, confirmed against source-audio-collider/style.css (same Office theme). */
:root {
  --ink: #000;
  --blue: #2e74b5; /* section and sub-section titles */
  --blue-light: #4a8bcb; /* italic run-in labels; #5b9bd5 in print, darkened for contrast */
  --link: #0563c1;
  --red: #e00000; /* "POWER:" label on the quick-start card; #ff0000 in print, darkened for contrast */
  --grid: #000; /* ruled tables: MIDI mapping table, FAQ byte table */
  --card-head: #1f497d; /* quick-start card table header */
  --card-a: #d3dfee;
  --card-b: #a7bfde;
}

* {
  box-sizing: border-box;
  margin-top: 0;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Carlito, Calibri, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
}
p,
li {
  line-height: 1.5;
}
p {
  margin-bottom: 0.7em;
}
main {
  margin-left: 20vw;
  padding-bottom: 3em;
}
img {
  max-width: 100%;
  height: auto;
}
a {
  color: var(--link);
  text-decoration: none;
}
a:hover,
a:active {
  text-decoration: underline;
}
b,
strong {
  font-weight: 700;
}

/* MASTHEAD: the cover — logo, the Arial title line, the pedal photo */
#masthead {
  padding: 1.5em 3em 1em;
}
#masthead h1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6em;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 400;
  font-size: 2.3em;
  line-height: 1.15;
  text-align: center;
}
#masthead h1 img {
  align-self: flex-end;
  width: 8.5rem;
}
#masthead > img {
  display: block;
  width: min(24em, 100%);
  margin: 1em auto 0;
}

/* HEADINGS: plain blue Calibri, no rules or blocks */
h2,
h3,
h4,
h5,
h6 {
  font-weight: 400;
  color: var(--blue);
  break-after: avoid;
}
h2 {
  font-size: 1.9em;
  line-height: 1.2;
  margin-bottom: 0.5em;
}
h3 {
  font-size: 1.3em;
  line-height: 1.25;
  margin: 1.2em 0 0.3em;
}
h4 {
  font-size: 1.1em;
  margin: 1em 0 0.25em;
}
h5,
h6 {
  font-size: 1em;
  margin: 0.9em 0 0.2em;
}
.it {
  font-style: italic;
  font-size: 1em;
  color: var(--blue-light);
  margin: 0.9em 0 0.2em;
}
.half-container > header + *,
.panel-text > h3:first-child {
  margin-top: 0;
}

/* SIDE NAVIGATION */
#side-nav {
  width: 20vw;
  background: #fff;
  position: fixed;
  z-index: 5;
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid rgba(46, 116, 181, 0.2);
}
.nav-container {
  display: flex;
  flex-direction: column;
  margin: 1em 1em 2em;
}
.nav-container h3,
#toc-mobile h2 {
  color: var(--blue);
  margin: 0 0 1rem;
}
.nav-container h4,
#toc-mobile h4 {
  font-size: 1em;
  margin: 0.55em 0 0.2em;
}
.nav-container h5,
#toc-mobile h5 {
  font-size: 0.92em;
  margin: 0 0 0.2em 0.9em;
}
.nav-container a,
#toc-mobile a {
  color: var(--ink);
}

/* CONTAINERS */
.flex-container {
  display: flex;
  padding-left: 2em;
}
.half-container {
  padding: 0 1em;
  width: 100%;
  /* 28em, not 30em: with 17px body type, 30em columns drop to one at desktop widths */
  columns: 2 28em;
  column-gap: 3em;
}
.half-container > header {
  column-span: all;
}
.no-columns {
  columns: auto !important;
}
section + section {
  margin-top: 2.5em;
}
.keep-together,
p,
li,
figure {
  break-inside: avoid;
}
ul,
ol {
  padding-left: 1.4em;
  margin-bottom: 0.8em;
}
li + li {
  margin-top: 0.3em;
}

.ctl {
  padding-left: 1.5em;
}
.warn {
  color: var(--red);
}
.red-note {
  color: var(--red);
}
/* The power warning is set bold and underlined, not red */
.u {
  text-decoration: underline;
}
/* Italic blue run-in labels ("Input 2 as an Audio Input:") */
.lbl {
  font-style: italic;
  color: var(--blue-light);
}
.src-note {
  border-left: 3px solid var(--blue);
  padding-left: 0.75em;
}

/* Changelog banner for material folded in from the companion guides */
.doc-update {
  column-span: all;
  background: var(--card-a);
  border-left: 4px solid var(--blue);
  padding: 0.9em 1.2em;
  margin-bottom: 1.5em;
}
.doc-update > strong {
  display: block;
  text-transform: uppercase;
  margin-bottom: 0.3em;
}
.doc-update p:last-child {
  margin-bottom: 0;
}

/* FIGURES: never upscaled past their native size */
figure {
  margin: 0 0 1em;
}
figure img {
  display: block;
  margin: 0 auto;
}
/* Breathing room above a screenshot that follows body copy; headings already
   carry their own spacing, so this only targets the prose-then-figure case. */
p + figure {
  margin-top: 0.6em;
}
figure.wide {
  column-span: all;
}
figure.wide img {
  max-width: min(100%, 60em);
}
.fig-s img {
  max-width: min(100%, 13em);
}
.fig-m img {
  max-width: min(100%, 20em);
}
.weee {
  width: 3em;
  margin-bottom: 0.5em;
}

/* Adapter shots sit inside the bullet they illustrate, as they do in print:
   the lightning cable belongs to the iOS bullet, the two OTG plugs to the
   Android one. Height-capped so plugs cropped at 257 px and 1500 px wide
   still print at comparable size. */
/* Block, not flex: a flex item's width is resolved before max-height applies,
   so the cap squashes the plug instead of scaling it. Inline replaced elements
   re-derive width from the capped height. */
.adapter-fig {
  text-align: center;
  margin: 0.6em 0 0.2em;
}
.adapter-fig img {
  display: inline-block;
  width: auto;
  max-width: 100%;
  max-height: 7em;
  margin: 0 0.5em;
}

/* Row of same-purpose shots (the Neuro editor screens), never upscaled past native size.
   padding-top, not margin-top: column-span:all sits at a forced column break,
   which discards a margin right before it but leaves padding alone. */
.grid-wrapper {
  column-span: all;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12em, 18em));
  gap: 1.5em;
  padding-top: 0.6em;
  margin-bottom: 1em;
}
/* height-capped, not width-stretched: a portrait phone screenshot beside a
   landscape one blows past its neighbour if forced to 100% width */
.grid-wrapper img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 14em;
  margin: 0 auto;
}

/* Controls: the labelled panel photo stays in view beside the descriptions */
.panel-layout {
  display: grid;
  grid-template-columns: minmax(16em, 30em) minmax(0, 1fr);
  gap: 2.5em;
  align-items: start;
}
.panel-layout > figure {
  position: sticky;
  top: 1em;
}

/* Routing diagrams: each mode's panels side by side, captions above as in print */
.mode {
  column-span: all;
  margin-bottom: 1.5em;
}
.mode > p {
  max-width: 48em;
}
.routing {
  display: grid;
  /* auto-fit, not auto-fill: the empty tracks collapse, so justify-content can
     actually centre a block that holds a single diagram */
  grid-template-columns: repeat(auto-fit, minmax(16em, 26em));
  gap: 1.5em 3em;
  align-items: start;
  justify-content: center;
  margin-top: 0.8em;
}
.routing figure {
  margin: 0;
}
.routing figcaption ul {
  font-weight: 700;
  font-size: 0.9em;
  margin-bottom: 0.5em;
}
.routing figcaption li + li {
  margin-top: 0;
}

/* TABLES */
.table-scroll {
  overflow-x: auto;
  margin-bottom: 1.2em;
}
/* A column-span:all box sits at a forced column break, and a margin right
   before that break is discarded — padding survives it, margin doesn't. */
.table-scroll.span-all,
.lead-in-block {
  padding-top: 0.6em;
}
.span-all {
  column-span: all;
}
.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95em;
  line-height: 1.35;
}
.doc-table th,
.doc-table td {
  padding: 0.35em 0.6em;
  text-align: left;
  vertical-align: top;
}
/* Ruled grids: MIDI mapping table, FAQ byte table */
.grid-table th,
.grid-table td {
  border: 1px solid var(--grid);
}
.grid-table thead th {
  font-weight: 700;
  vertical-align: bottom;
}
.grid-table tbody th {
  font-weight: 700;
}
.midi-table thead th {
  text-decoration: underline;
}
.midi-table .cc {
  font-weight: 700;
  text-align: right;
}
.midi-table tbody td,
.midi-table tbody th {
  padding-top: 0.15em;
  padding-bottom: 0.15em;
}
.byte-table {
  width: auto;
}
.byte-table thead th {
  background: #d9d9d9;
}
.byte-table td,
.byte-table th {
  text-align: center;
}
/* ON/OFF footswitch action-options table: gray/green Starting State header, tan option rows */
.footswitch-table td,
.footswitch-table th {
  text-align: center;
  white-space: nowrap;
}
.footswitch-table thead tr:first-child th:nth-child(2) {
  background: #808080;
}
.footswitch-table thead tr:first-child th:nth-child(3) {
  background: #a0ce62;
}
.footswitch-table tbody th {
  background: #f7c242;
  text-align: left;
  white-space: normal;
}
/* Quick-start card table: EQ2's card sets this in Calibri, not the Collider card's Cambria */
.card-table th,
.card-table td {
  border: 2px solid #fff;
}
.card-table thead th {
  background: var(--card-head);
  color: #fff;
  font-weight: 700;
}
.card-table tbody th {
  font-weight: 400;
}
.card-table tbody tr:nth-child(odd) {
  background: var(--card-a);
}
.card-table tbody tr:nth-child(even) {
  background: var(--card-b);
}
.card-wordmark img {
  max-width: min(100%, 22em);
  margin: 0;
}
.card-text p {
  margin-bottom: 0.35em;
}

.colophon {
  font-size: 0.9em;
  padding-left: 3em;
  margin-top: 3em;
}

@media (max-width: 900px) {
  .flex-container {
    flex-direction: column;
    padding-left: 0;
  }
  .half-container {
    width: 100%;
    padding: 0;
  }
  nav#side-nav {
    display: none;
  }
  main {
    margin: 0 auto;
    padding: 0 1em 3em;
  }
  #masthead {
    padding: 1em 0;
  }
  #masthead h1 {
    font-size: 1.7em;
  }
  #masthead h1 img {
    width: 6.5rem;
  }
  .panel-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .panel-layout > figure {
    position: static;
  }
  .routing {
    grid-template-columns: minmax(0, 1fr);
  }
  .colophon {
    padding-left: 0;
  }
  #toc-mobile {
    display: block;
    padding-bottom: 1em;
  }
}

/* 901, not 900: both queries match at exactly 900px, and this one comes later,
   so at that width the nav is hidden and the mobile TOC would be too */
@media (min-width: 901px) {
  #toc-mobile {
    display: none;
  }
}