/* FONTS
   Mapped from the reference manual's embedded faces:
     MyriadPro-Regular / Semibold / Bold (body, tables, steps) -> Source Sans 3
     MyriadPro-Cond / BoldCond (section bars, sub-heads, screens) -> Fira Sans Condensed
   RolandOwnersManual-01rev1 is Roland's dingbat font (bullets, arrows, the
   display cursor); its glyphs are replaced by Unicode • ➡ ▸ */
@import url("https://fonts.googleapis.com/css2?family=Fira+Sans+Condensed:wght@400;600&family=Source+Sans+3:ital,wght@0,400;0,600;0,700;1,400&display=swap");

/* PALETTE — sampled off the reference manual's pages */
:root {
  --ink: #231f20; /* body text */
  --green: #2c834b; /* chapter rules, section bars, sub-heads */
  --green-tint: #b3d1b2; /* sub-section bars */
  --green-head: #a5c8a5; /* table header row, dotted rules */
  --navy: #10508c; /* step text, default values, NOTE badge, table group rows */
  --navy-deep: #0d3867; /* state-card headers */
  --lavender: #d0d8eb; /* row-header column */
  --tint: #eff1f8; /* description rows spanning a table */
  --orange: #d45636; /* step numbers */
  --lcd: #7b7979; /* display screens */
  --cond: "Fira Sans Condensed", "Arial Narrow", sans-serif;
}

/* RESETS */
* {
  box-sizing: border-box;
  margin-top: 0;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* GLOBAL STYLING */
body {
  color: var(--ink);
  font-family: "Source Sans 3", sans-serif;
  margin: 0;
}
p {
  line-height: 1.55;
}
main {
  margin-left: 20vw;
  padding-bottom: 3em;
}
img {
  width: 100%;
  margin-bottom: 0.75em;
}
a {
  text-decoration: none;
  color: var(--navy);
}
a:hover,
a:active {
  text-decoration: underline;
}

/* The cover: BOSS logo and wordmark in black on white, the pedal beside them */
#masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5em 3em;
  padding: 2em 3em;
}
#masthead > img {
  order: -1;
  width: 10em;
  margin: 0;
}
#masthead .title {
  flex: 1 1 20em;
}
#masthead h1 {
  display: flex;
  flex-direction: column;
  gap: 1.25em;
  margin: 0;
}
#masthead h1 img {
  margin: 0;
}
#masthead h1 img:first-child {
  width: min(13em, 55%);
}
#masthead h1 img:last-child {
  width: min(30em, 100%);
  align-self: flex-end;
}
#masthead .title p {
  font-size: 1.9em;
  font-weight: 600;
  text-align: right;
  border-bottom: 3px solid var(--ink);
  margin: 0.5em 0 0;
}

/* HEADINGS
   Chapter: large regular type behind a green block, over a green rule */
.flow h2 {
  font-weight: 400;
  font-size: 2.4em;
  line-height: 1.15;
  border-left: 0.4em solid var(--green);
  border-bottom: 3px solid var(--green);
  padding: 0.1em 0 0.05em 0.35em;
  margin-bottom: 0.75em;
}
/* Section: reversed out of a green bar in the condensed face */
.flow h3 {
  font-family: var(--cond);
  font-weight: 400;
  font-size: 1.7em;
  line-height: 1.2;
  color: #fff;
  background: var(--green);
  padding: 0.1em 0.3em;
  margin: 1.5em 0 0.6em;
}
.flow h3.tint,
.flow h4.tint {
  font-size: 1.5em;
  color: var(--ink);
  background: var(--green-tint);
  background-image: none;
  padding: 0.1em 0.3em;
}
/* Sub-section: green condensed text over a row of dots */
.flow h4,
.flow h5,
.flow h3.rule {
  font-family: var(--cond);
  font-weight: 400;
  font-size: 1.45em;
  color: var(--green);
  background-color: transparent;
  background-image: radial-gradient(
    circle,
    var(--green-head) 0.14em,
    transparent 0.17em
  );
  background-size: 0.62em 0.4em;
  background-repeat: repeat-x;
  background-position: left bottom;
  padding: 0 0 0.4em;
  margin: 1.25em 0 0.6em;
}
.flow h5 {
  font-size: 1.3em;
}
/* Small run-in heads stay inside their column and their box */
.flow h4.plain {
  column-span: none;
  font-weight: 600;
  font-size: 1.05em;
  color: var(--ink);
  background-image: none;
  padding: 0;
  margin: 1em 0 0.4em;
}
.flow h3,
.flow h4,
.flow h5 {
  break-after: avoid;
}
/* Headings and tables run across the section; the text between them fills the columns */
.flow h3,
.flow h4,
.table-scroll,
figure.wide,
.states,
.stop-row {
  column-span: all;
}
.half-container > header + * {
  margin-top: 0;
}

/* SIDE NAVIGATION */
#side-nav {
  width: 20vw;
  background: white;
  position: fixed;
  z-index: 5;
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid rgba(44, 131, 75, 0.2);
}
.nav-container {
  display: flex;
  flex-direction: column;
  margin: 1em 1em 2em;
}
.nav-container h3 {
  margin-bottom: 1.5rem;
}
.nav-container h4,
#toc-mobile h4 {
  font-size: 1em;
  font-weight: 700;
  margin: 0.9em 0 0.4em;
}
.nav-container h5,
#toc-mobile h5 {
  font-size: 0.9em;
  font-weight: 400;
  margin: 0 0 0.35em 0.75em;
}
/* Green belongs to the manual's rules and bars, not to the whole table of contents */
.nav-container a,
#toc-mobile a {
  color: var(--ink);
}
#toc-mobile {
  padding: 0 1em;
}

/* CONTAINERS */
/* Text runs from the nav edge, not centred in what the nav leaves over:
   a column centred inside a right-shifted main reads as off-centre */
.flex-container {
  display: flex;
  padding-left: 2em;
}
/* Every section flows into columns sized from whatever width the page gives it:
   `2 30em` caps the count at two and drops to one below ~63em of room, so the
   measure follows the window instead of a fixed cap, with no breakpoint */
.half-container {
  padding: 0 1em;
  width: 100%;
  columns: 2 30em;
  column-gap: 3em;
}
/* The title rules across the whole section, not across one column */
.half-container > header {
  column-span: all;
}
/* Short blocks move to the next column whole instead of splitting a line off */
.flow p,
.flow li,
.flow dl,
figure,
.box,
.note,
.screen,
.doc-update,
.om-note {
  break-inside: avoid;
}
section + section {
  margin-top: 3em;
}
/* Skips the parent element and selects just the children */
.flow > * + * {
  margin-bottom: 1em;
}

/* FIGURES */
figure {
  margin: 0 0 1em;
}
figure img {
  display: block;
  margin: 0;
}
/* Upper bounds keep crops near their native size instead of upscaling */
.fig-s img {
  max-width: 16em;
}
.fig-m img {
  max-width: 28em;
}

/* STEPS: orange numbers, blue instructions, plain follow-up text */
ol.steps {
  padding-left: 1.5em;
}
ol.steps > li {
  margin-bottom: 1.1em;
}
ol.steps > li::marker {
  color: var(--orange);
  font-weight: 700;
}
ol.steps p {
  margin-bottom: 0.4em;
}
ol.steps .do {
  color: var(--navy);
  font-weight: 600;
}
ol.steps ul {
  padding-left: 1.2em;
  margin-bottom: 0.4em;
}
/* "* note" lines hang their asterisk */
.ast {
  padding-left: 1em;
  text-indent: -1em;
}
.ast::before {
  content: "*";
  display: inline-block;
  width: 1em;
  text-indent: 0;
}
.xref::before {
  content: "➡ ";
}

/* THE DISPLAY: grey LCD with callouts aligned to its two lines */
.screen {
  display: flex;
  gap: 0.6em;
  align-items: stretch;
  margin: 0.4em 0 0.8em;
}
.lcd {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 0 0 auto;
  width: 8.5em;
  background: var(--lcd);
  border: 3px solid #5f5d5d;
  color: #fff;
  font-family: var(--cond);
  font-weight: 600;
  font-size: 1.25em;
  line-height: 1.15;
  padding: 0.15em 0.35em;
}
.lcd .line {
  display: flex;
  white-space: pre;
}
/* a value sits flush right; inline marks inside a line (the cursor underline) stay put */
.lcd .line > span:last-child {
  margin-left: auto;
}
.lcd i {
  font-style: normal;
  font-size: 0.6em;
  align-self: center;
}
.lcd.play {
  flex-direction: row;
  align-items: center;
  gap: 0.3em;
}
.lcd.play .num {
  font-size: 2.1em;
  line-height: 1;
}
.screen figcaption {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  font-size: 0.8em;
}
.screen figcaption span:not(:empty)::before {
  content: "— ";
}

/* BADGES AND CALLOUT BOXES */
.badge {
  display: inline-block;
  font-weight: 700;
  font-size: 0.85em;
  letter-spacing: 0.02em;
  color: #fff;
  background: var(--navy);
  padding: 0 0.35em;
  margin-bottom: 0.3em;
}
.badge.memo,
.badge.os {
  background: var(--green);
  border-radius: 1em;
  padding: 0 0.6em;
}
.badge.op {
  background: var(--green);
  font-size: 1em;
  padding: 0.05em 1em;
}
.note p,
.note ul {
  margin-bottom: 0.4em;
}
.box {
  border: 1px solid #8a8a8a;
  border-radius: 4px;
  padding: 0.6em 0.9em;
  margin-bottom: 1em;
}
.box.dashed {
  border: 1px dashed var(--navy);
}
.box > strong:first-child {
  display: block;
  color: var(--navy);
  font-size: 1.1em;
  margin-bottom: 0.3em;
}
.box p:last-child,
.box ul:last-child {
  margin-bottom: 0;
}
dl.terms dt {
  color: var(--navy);
  font-weight: 700;
  font-size: 1.15em;
}
dl.terms dd {
  margin: 0 0 1em;
}
dl.pairs {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.3em 1.5em;
}
dl.pairs dt {
  font-weight: 700;
}
dl.pairs dd {
  margin: 0;
}

/* BASIC OPERATION: the record/play/overdub cards */
.states {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13em, 1fr));
  gap: 1em 1.5em;
  margin-bottom: 1.5em;
}
.stop-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16em, 1fr));
  gap: 1em 1.5em;
  align-items: start;
  margin-bottom: 1em;
}
.state {
  background: var(--lavender);
  border: 1px solid #8b90a0;
  border-radius: 3px;
  padding: 0 0.7em 0.6em;
}
.state .press {
  display: block;
  font-size: 0.8em;
  font-weight: 700;
  color: var(--navy);
  margin-top: 0.4em;
}
.state .title {
  display: block;
  background: var(--navy-deep);
  color: #fff;
  text-align: center;
  font-weight: 600;
  font-size: 1.15em;
  padding: 0.1em;
  margin: 0.2em 0 0.5em;
}
.state p {
  margin-bottom: 0.3em;
}
.stop-row .box figure {
  margin: 0.5em 0 0;
}

/* Changelog banner under the first chapter heading */
.doc-update {
  font-size: 0.9em;
  line-height: 1.6;
  background: var(--tint);
  border-left: 4px solid var(--green);
  padding: 1em 1.25em;
}
.doc-update > strong {
  display: block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5em;
}
.doc-update p {
  margin-bottom: 0.5em;
}
.doc-update p:last-child {
  margin-bottom: 0;
}
.doc-update a {
  text-decoration: underline;
}

/* Inline marker for material only the Owner's Manual carries */
.om-note {
  border-left: 3px solid var(--green);
  padding-left: 0.75em;
  margin-bottom: 1em;
}

/* REFERENCE TABLES: green header row, lavender row headers, rules between rows */
.table-scroll {
  overflow-x: auto;
  margin-bottom: 1.5em;
}
.doc-table {
  width: 100%;
  min-width: 32em;
  border-collapse: collapse;
  /* the manual rules rows and inner columns but leaves the outer edges open */
  border-left: hidden;
  border-right: hidden;
  font-size: 0.92em;
  line-height: 1.4;
}
.doc-table th,
.doc-table td {
  border: 1px solid var(--ink);
  padding: 0.35em 0.5em;
  text-align: left;
  vertical-align: middle;
}
.doc-table thead th {
  background: var(--green-head);
  font-weight: 600;
  border-bottom: 3px double var(--ink);
}
.doc-table tbody th {
  background: var(--lavender);
  font-weight: 600;
}
.doc-table td.lead {
  background: var(--tint);
}
.doc-table tr.group > * {
  background: var(--navy);
  color: #fff;
  font-weight: 600;
  font-size: 1.1em;
}
/* Default values are set bold blue */
.doc-table b {
  color: var(--navy);
}
.doc-table small {
  font-size: 0.72em;
}
.doc-table p {
  margin-bottom: 0.3em;
}
.doc-table p:last-child {
  margin-bottom: 0;
}
.doc-table ul {
  margin: 0.2em 0 0.3em;
  padding-left: 1.2em;
}
.doc-table ol.steps {
  margin-bottom: 0;
}
.c-param {
  width: 17%;
}
.c-value {
  width: 19%;
}
.c-name {
  width: 30%;
}
/* Tables nested inside a cell, and the short two-column lookups */
.mini {
  border-collapse: collapse;
  margin: 0.4em 0;
  font-size: 1em;
}
.mini th,
.mini td {
  border: 0;
  border-bottom: 1px solid var(--ink);
  padding: 0.1em 0.5em 0.1em 0.2em;
  text-align: left;
  vertical-align: middle;
}
.mini tbody th,
.mini thead th {
  background: var(--green-head);
  font-weight: 600;
}
.doc-table .mini tbody th {
  background: var(--green-tint);
}
/* Panel callouts: white numerals in navy discs, battery parts in black squares */
.n {
  display: inline-grid;
  place-items: center;
  width: 1.45em;
  height: 1.45em;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
  font-size: 0.85em;
  margin-right: 0.45em;
  text-indent: 0;
}
.n.sq {
  border-radius: 2px;
  background: var(--ink);
  margin: 0 0.15em;
}

/* Legal notes keep the manual's smaller setting */
.fine-print {
  font-size: 0.9em;
}
.license {
  font-size: 0.85em;
  line-height: 1.45;
}

@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: 1.5em 0;
  }
  #masthead > img {
    width: 7em;
  }
  #toc-mobile {
    display: block;
    padding: 0 0 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;
  }
}