/* ============================================================
   Inference × TBZ — Module 680 Slide Theme
   Subtle Inference brand applied to reveal.js
   Brand palette:
     --ink     #04052E   deep navy   (primary text/bg)
     --plum    #862463   magenta     (accent 1)
     --ember   #FA5D54   coral       (accent 2)
     --steel   #384878   blue-grey   (muted accent)
     --paper   #FBFAF7   warm white  (background)
     --bone    #F0EBE3   warm light  (panel)
     --slate   #6B7280   neutral grey
   Fonts: IBM Plex Sans (text) · IBM Plex Mono (code)
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Serif:wght@400;500;600&display=swap");

:root {
  --ink:    #04052E;
  --ink-2:  #0A0B3A;
  --plum:   #862463;
  --ember:  #FA5D54;
  --steel:  #384878;
  --paper:  #FBFAF7;
  --bone:   #F0EBE3;
  --slate:  #6B7280;
  --line:   rgba(4, 5, 46, 0.10);
  --line-2: rgba(4, 5, 46, 0.18);
  --soft:   rgba(4, 5, 46, 0.65);
  --gradient: linear-gradient(90deg, var(--ink) 0%, var(--plum) 60%, var(--ember) 100%);
  --grad-soft: linear-gradient(90deg, rgba(134,36,99,0.10), rgba(250,93,84,0.10));
  /* Semantic status colours — centralised to avoid divergence across files */
  --correct:   #16a34a;
  --partial:   #d97706;
  --incorrect: var(--ember);
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-serif: "IBM Plex Serif", Georgia, serif;
}

/* -------- Base reveal.js overrides -------- */
.reveal {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 30px;
  color: var(--ink);
}
.reveal .slides {
  text-align: left;
}
.reveal .slides > section,
.reveal .slides > section > section {
  padding: 56px 80px 88px 80px;
  height: 100%;
  box-sizing: border-box;
  display: flex !important;
  flex-direction: column !important;
  /* `safe center` keeps short slides vertically centered but anchors tall slides
     to the top so they don't overflow the top of the slide. */
  justify-content: safe center !important;
}
/* Title slides stay centered (they already set their own); content slides become
   flex-centered too, so short slides don't hug the top bar. Tall slides still
   start near the top because flex-children expand to fit. */
.reveal .slides > section > h1:first-child,
.reveal .slides > section > h2:first-child {
  margin-top: 0;
}
.reveal h1, .reveal h2, .reveal h3, .reveal h4, .reveal h5 {
  font-family: var(--font-sans);
  color: var(--ink);
  letter-spacing: -0.01em;
  text-transform: none;
  font-weight: 600;
  margin: 0 0 0.35em 0;
  line-height: 1.15;
}
.reveal h1 { font-size: 2.4em; font-weight: 700; letter-spacing: -0.02em; }
.reveal h2 { font-size: 1.55em; }
.reveal h3 { font-size: 1.10em; color: var(--steel); font-weight: 600; }
.reveal p, .reveal li { line-height: 1.45; }
.reveal a { color: var(--plum); text-decoration: none; border-bottom: 1px dashed var(--plum); }
.reveal a:hover { color: var(--ember); border-bottom-color: var(--ember); }
.reveal strong { color: var(--ink); font-weight: 600; }
.reveal em { font-style: italic; color: var(--steel); }
.reveal blockquote {
  border-left: 3px solid var(--plum);
  padding: 0.4em 1.2em;
  background: var(--bone);
  font-style: normal;
  color: var(--ink);
  margin: 0.7em 0;
  box-shadow: none;
  width: auto;
}

/* -------- Lists -------- */
.reveal ul { list-style: none; padding-left: 0; }
.reveal ul li {
  padding-left: 1.4em;
  position: relative;
  margin: 0.18em 0;
}
.reveal ul li::before {
  content: "›";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--plum);
  font-weight: 600;
}
.reveal ul ul li::before { content: "·"; color: var(--steel); }
.reveal ol { padding-left: 1.3em; }
.reveal ol li::marker { color: var(--plum); font-weight: 600; }

/* -------- Code -------- */
.reveal code {
  font-family: var(--font-mono);
  background: var(--bone);
  color: var(--ink);
  padding: 0.08em 0.35em;
  border-radius: 3px;
  font-size: 0.85em;
}
.reveal pre {
  width: 100%;
  box-shadow: none;
  border-left: 3px solid var(--plum);
  background: #0B0C2E;
  border-radius: 4px;
  margin: 0.5em 0;
  font-size: 0.65em;
}
.reveal pre code {
  background: transparent;
  color: #E6E6F2;
  padding: 1em 1.2em;
  display: block;
  line-height: 1.4;
  max-height: 60vh;
  font-size: 1em;
}

/* -------- Tables -------- */
.reveal table {
  border-collapse: collapse;
  margin: 0.4em 0;
  font-size: 0.78em;
  width: 100%;
}
.reveal table th {
  background: var(--ink);
  color: var(--paper);
  text-align: left;
  padding: 0.55em 0.8em;
  font-weight: 600;
  font-size: 0.95em;
  letter-spacing: 0.01em;
}
.reveal table td {
  padding: 0.45em 0.8em;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.reveal table tr:nth-child(even) td { background: rgba(240, 235, 227, 0.45); }

/* -------- Background, layout helpers -------- */
.reveal .slides section { background: var(--paper); }

.reveal .footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--soft);
  letter-spacing: 0.02em;
  margin-top: auto;
  padding-bottom: 24px;
  width: 100%;
}
.reveal .footer .brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.reveal .footer .brand .logo {
  height: 14px;
  width: auto;
}
.reveal .footer .brand .x {
  font-size: 14px;
  color: var(--soft);
  margin: 0 4px;
}
.reveal .footer .meta { color: var(--slate); }
.reveal .footer .pagenum::before { content: "/ "; opacity: 0.4; }

/* Hide footer on title and section dividers (they get full-bleed treatment) */
.reveal section.title .footer,
.reveal section.divider .footer { display: none; }

/* Header accent — thin top bar */
.reveal .slides section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient);
  opacity: 0.85;
}
.reveal section.title::before,
.reveal section.divider::before { display: none; }

/* -------- Title slide -------- */
.reveal section.title {
  background: var(--ink);
  color: var(--paper);
  padding: 0 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-image:
    radial-gradient(1200px 600px at 90% 110%, rgba(250,93,84,0.22), transparent 60%),
    radial-gradient(900px 500px at 10% -10%, rgba(134,36,99,0.30), transparent 60%);
}
.reveal section.title h1 {
  color: var(--paper);
  font-size: 2.4em;
  max-width: 18ch;
  margin-bottom: 0.25em;
}
.reveal section.title .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.55em;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 1.4em;
  font-weight: 500;
}
.reveal section.title .lede {
  color: rgba(251, 250, 247, 0.78);
  font-size: 0.85em;
  max-width: 30ch;
  font-weight: 300;
  line-height: 1.4;
}
.reveal section.title .meta {
  margin-top: 2em;
  font-family: var(--font-mono);
  font-size: 0.5em;
  color: rgba(251, 250, 247, 0.55);
  letter-spacing: 0.04em;
}
.reveal section.title .meta span { color: var(--ember); }
.reveal section.title::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(135deg, transparent 0%, transparent 50%, rgba(255,255,255,0.02) 50%, rgba(255,255,255,0.02) 52%, transparent 52%);
  pointer-events: none;
}

/* -------- Section divider slide -------- */
.reveal section.divider {
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 80px;
}
.reveal section.divider .number {
  font-family: var(--font-mono);
  font-size: 0.55em;
  letter-spacing: 0.2em;
  color: var(--ember);
  margin-bottom: 0.6em;
}
.reveal section.divider h1 {
  color: var(--paper);
  font-size: 2.2em;
  max-width: 16ch;
  border-left: 4px solid var(--plum);
  padding-left: 0.5em;
}
.reveal section.divider .sub {
  margin-top: 0.8em;
  color: rgba(251, 250, 247, 0.7);
  font-size: 0.78em;
  max-width: 40ch;
  font-weight: 300;
}

/* -------- Lesson break slide -------- */
.reveal section.lesson-break {
  background: var(--bone);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.reveal section.lesson-break .tag {
  font-family: var(--font-mono);
  font-size: 0.5em;
  letter-spacing: 0.18em;
  color: var(--plum);
  margin-bottom: 0.6em;
}
.reveal section.lesson-break h1 {
  font-size: 1.8em;
  max-width: 22ch;
}
.reveal section.lesson-break .objectives {
  margin-top: 0.6em;
  font-size: 0.85em;
  color: var(--ink);
  max-width: 42ch;
}
.reveal section.lesson-break .objectives strong { color: var(--plum); }

/* -------- Two-column layout -------- */
.reveal .cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-top: 0.4em;
}
.reveal .cols.thirds { grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.reveal .cols.l-wide { grid-template-columns: 2fr 1fr; }
.reveal .cols.r-wide { grid-template-columns: 1fr 2fr; }
.reveal .cols .col h3 { margin-bottom: 0.3em; }

/* -------- Callout cards -------- */
.reveal .card {
  background: var(--bone);
  border-left: 3px solid var(--plum);
  padding: 18px 22px;
  border-radius: 0 4px 4px 0;
}
.reveal .card h3 { color: var(--ink); margin-bottom: 0.25em; }
.reveal .card.warn { border-left-color: var(--ember); background: rgba(250, 93, 84, 0.08); }
.reveal .card.good { border-left-color: #2D7A4F; background: rgba(45, 122, 79, 0.08); }
.reveal .card.info { border-left-color: var(--steel); background: rgba(56, 72, 120, 0.06); }
.reveal .card .label {
  font-family: var(--font-mono);
  font-size: 0.55em;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--plum);
  margin-bottom: 0.4em;
  display: block;
}
.reveal .card.warn .label { color: var(--ember); }
.reveal .card.good .label { color: #2D7A4F; }
.reveal .card.info .label { color: var(--steel); }

/* -------- Pills, tags, key/value chips -------- */
.reveal .pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6em;
  letter-spacing: 0.05em;
  padding: 0.2em 0.6em;
  border-radius: 2px;
  background: var(--bone);
  color: var(--ink);
  margin-right: 0.3em;
}
.reveal .pill.plum   { background: rgba(134,36,99,0.12); color: var(--plum); }
.reveal .pill.ember  { background: rgba(250,93,84,0.14); color: var(--ink); }
.pill.ember          { background: rgba(250,93,84,0.14); color: var(--ink); }
.reveal .pill.steel  { background: rgba(56,72,120,0.12); color: var(--steel); }
.reveal .pill.ink    { background: var(--ink); color: var(--paper); }

/* -------- Stat / KPI -------- */
.reveal .stat { font-family: var(--font-mono); }
.reveal .stat .num {
  font-size: 2.4em;
  font-weight: 600;
  color: var(--plum);
  line-height: 1;
  font-family: var(--font-sans);
}
.reveal .stat .label {
  font-size: 0.55em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}

/* -------- Q&A / discussion list -------- */
.reveal .qa li {
  font-size: 0.85em;
  color: var(--steel);
}
.reveal .qa li::before { content: "?"; color: var(--ember); font-weight: 600; }

/* -------- Compact rows for tools / commands -------- */
.reveal .row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 16px;
  padding: 0.35em 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  font-size: 0.82em;
}
.reveal .row:last-child { border-bottom: none; }
.reveal .row .k {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--plum);
  font-weight: 500;
}
.reveal .row .v { color: var(--ink); }

/* -------- Practice / Theory tag in lesson header -------- */
.reveal .ribbon {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.5em;
  letter-spacing: 0.15em;
  padding: 0.25em 0.8em;
  text-transform: uppercase;
  margin-bottom: 0.6em;
  border: 1px solid var(--ink);
}
.reveal .ribbon.theory   { background: transparent; color: var(--ink); border-color: var(--ink); }
.reveal .ribbon.practice { background: var(--ember); color: var(--paper); border-color: var(--ember); }
.reveal .ribbon.mixed    { background: var(--plum); color: var(--paper); border-color: var(--plum); }

/* -------- Diagrams / boxes -------- */
.reveal .flow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0.6em 0;
  flex-wrap: wrap;
}
.reveal .flow .step {
  flex: 1 1 0;
  min-width: 120px;
  background: var(--bone);
  padding: 12px 14px;
  border-left: 3px solid var(--plum);
  font-size: 0.78em;
}
.reveal .flow .step .n {
  font-family: var(--font-mono);
  font-size: 0.8em;
  color: var(--plum);
  display: block;
  margin-bottom: 0.2em;
}
.reveal .flow .arrow {
  color: var(--plum);
  font-family: var(--font-mono);
  font-size: 1.2em;
  flex: 0 0 auto;
}

/* -------- Figures (diagrams, screenshots, photos) -------- */
.reveal figure.figure {
  margin: 0.4em auto;
  text-align: center;
  display: block;
}
.reveal figure.figure img,
.reveal figure.figure svg {
  max-width: 100%;
  max-height: 60vh;
  height: auto;
  display: inline-block;
}
.reveal figure.figure figcaption {
  font-size: 0.7em;
  color: var(--slate);
  margin-top: 0.35em;
  line-height: 1.35;
}
.reveal figure.figure.full img,
.reveal figure.figure.full svg {
  max-height: 70vh;
}
.reveal .cols .col figure.figure img,
.reveal .cols .col figure.figure svg {
  max-height: 45vh;
}
.reveal figure.figure.cover {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
  pointer-events: none;
}
.reveal figure.figure.cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
}
.reveal section.title > *,
.reveal section.lesson-break > * {
  position: relative;
  z-index: 1;
}

/* -------- Speaker note hint -------- */
.reveal .notes-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
  position: absolute;
  bottom: 26px;
  right: 80px;
}

/* -------- Print PDF tweaks -------- */
.reveal.pdf .slides section { page-break-after: always; }
@media print {
  .reveal .footer .meta { color: #888; }
}

/* -------- Small utility -------- */
.reveal .muted { color: var(--slate); }
.reveal .accent { color: var(--plum); }
.reveal .ember-text { color: var(--ember); }
.reveal .small { font-size: 0.72em; }
.reveal .xs    { font-size: 0.6em; }
.reveal .mono  { font-family: var(--font-mono); }
.reveal .center { text-align: center; }
.reveal .right { text-align: right; }
.reveal .nowrap { white-space: nowrap; }
.reveal .mt-0 { margin-top: 0 !important; }
.reveal .mt-1 { margin-top: 0.6em; }
.reveal .mt-2 { margin-top: 1.2em; }
.reveal .ts-fit h2 { font-size: 1.25em; }

/* -------- Reveal control overrides -------- */
.reveal .controls { color: var(--plum); }
.reveal .progress { color: var(--plum); height: 3px; }
.reveal .slide-number { font-family: var(--font-mono); color: var(--soft); }

/* -------- Inline check-for-understanding -------- */
.reveal .check {
  background: var(--bone);
  border: 1px solid var(--line-2);
  border-left: 4px solid var(--ember);
  border-radius: 0 4px 4px 0;
  padding: 24px 28px;
  margin: 0.4em 0;
  max-width: 100%;
}
.reveal .check .check-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.55em;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 0.5em;
}
.reveal .check .check-q p {
  margin: 0;
  font-size: 1em;
  line-height: 1.4;
  color: var(--ink);
}
.reveal .check .check-q p + p {
  margin-top: 0.5em;
}
.reveal .check details.check-a {
  margin-top: 1em;
  border-top: 1px dashed var(--line-2);
  padding-top: 0.8em;
}
.reveal .check details.check-a summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.65em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--plum);
  padding: 0.3em 0.6em;
  display: inline-block;
  background: rgba(134, 36, 99, 0.08);
  border-radius: 2px;
  list-style: none;
  transition: background 0.15s, color 0.15s;
  user-select: none;
}
.reveal .check details.check-a summary::-webkit-details-marker { display: none; }
.reveal .check details.check-a summary::before {
  content: "▸ ";
  display: inline-block;
  transition: transform 0.2s;
  margin-right: 0.2em;
}
.reveal .check details.check-a[open] summary::before { content: "▾ "; }
.reveal .check details.check-a summary:hover {
  background: rgba(134, 36, 99, 0.16);
  color: var(--ink);
}
.reveal .check details.check-a .check-body {
  margin-top: 0.8em;
  font-size: 0.92em;
  color: var(--ink);
  line-height: 1.5;
  animation: check-fade-in 0.3s ease-out;
}
.reveal .check details.check-a .check-body p { margin: 0.5em 0; }
.reveal .check details.check-a .check-body p:first-child { margin-top: 0; }
.reveal .check details.check-a .check-body p:last-child { margin-bottom: 0; }
@keyframes check-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* -------- Course-wide search (brand/search.js + Pagefind) -------- */
#search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 12px;
  background: rgba(251, 250, 247, 0.04);
  border: 1px solid rgba(251, 250, 247, 0.18);
  border-radius: 2px;
  color: rgba(251, 250, 247, 0.78);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}
#search-trigger:hover {
  color: var(--ember);
  border-color: var(--ember);
  background: rgba(250, 93, 84, 0.08);
}
#search-trigger .icon { font-size: 13px; transform: translateY(-1px); }
#search-trigger .key {
  margin-left: 8px;
  padding: 1px 5px;
  background: rgba(251, 250, 247, 0.12);
  border: 1px solid rgba(251, 250, 247, 0.18);
  border-radius: 2px;
  font-size: 10px;
  color: rgba(251, 250, 247, 0.65);
}

/* On deck pages the search trigger floats fixed over slides.  Title and
   divider slides have a near-black --ink background, making the very
   transparent default button hard to see.  Add a semi-transparent frosted
   backdrop so the button reads clearly regardless of slide colour. */
.reveal ~ #deck-nav #search-trigger,
body.has-reveal #search-trigger,
#deck-nav #search-trigger {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(251, 250, 247, 0.38);
  color: rgba(251, 250, 247, 0.92);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
#deck-nav #search-trigger:hover {
  background: rgba(250, 93, 84, 0.18);
  border-color: var(--ember);
  color: var(--ember);
}

.search-modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 5, 46, 0.65);
  display: none;
  align-items: flex-start;
  justify-content: center;
  z-index: 200;
  padding-top: 80px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.search-modal.open { display: flex; }
.search-card {
  background: var(--paper);
  width: 100%;
  max-width: 720px;
  margin: 0 24px;
  border-top: 4px solid;
  border-image: var(--gradient) 1;
  box-shadow: 0 30px 70px rgba(4, 5, 46, 0.45);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 160px);
  overflow: hidden;
}
.search-card .search-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--line);
}
.search-card .search-icon {
  color: var(--plum);
  font-size: 20px;
  line-height: 1;
}
.search-card #search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 18px;
  color: var(--ink);
  padding: 4px 0;
}
.search-card #search-input::placeholder { color: var(--slate); }
.search-card .search-close {
  background: none;
  border: none;
  color: var(--slate);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  transition: color 0.12s;
}
.search-card .search-close:hover { color: var(--ink); }
.search-card .search-hint {
  padding: 8px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
  border-bottom: 1px solid var(--line);
}
.search-card .search-hint kbd {
  display: inline-block;
  padding: 1px 6px;
  background: var(--bone);
  border: 1px solid var(--line-2);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  margin-right: 3px;
}
.search-card .search-results {
  overflow-y: auto;
  padding: 8px 0;
  min-height: 80px;
}
.search-card .sr {
  display: block;
  padding: 12px 24px;
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.12s, border-left-color 0.12s;
}
.search-card .sr + .sr { border-top: 1px solid var(--line); }
.search-card .sr:hover, .search-card .sr.selected {
  background: var(--bone);
  border-left-color: var(--ember);
}
.search-card .sr-head {
  display: flex;
  gap: 14px;
  align-items: baseline;
}
.search-card .sr-kind {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--plum);
  flex-shrink: 0;
  width: 11ch;
}
.search-card .sr-title {
  font-weight: 600;
  color: var(--ink);
  font-size: 15px;
}
.search-card .sr-excerpt {
  margin-top: 4px;
  font-size: 13px;
  color: var(--slate);
  line-height: 1.45;
  padding-left: calc(11ch + 14px);
}
.search-card .sr-excerpt mark {
  background: rgba(250, 93, 84, 0.20);
  color: var(--ink);
  padding: 0 2px;
  border-radius: 1px;
  font-weight: 500;
}
.search-card .search-empty, .search-card .search-error {
  padding: 32px 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate);
}
.search-card .search-error code {
  background: var(--bone);
  padding: 2px 6px;
  border-radius: 2px;
}

/* -------- Top-left home link (injected by inject-footer.js) -------- */
#deck-home {
  position: fixed;
  top: 14px;
  left: 18px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 10px;
  background: rgba(4, 5, 46, 0.55);
  color: rgba(251, 250, 247, 0.78);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid rgba(251, 250, 247, 0.18);
  border-radius: 2px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0.55;
  transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
#deck-home:hover {
  opacity: 1;
  color: var(--ember);
  border-color: var(--ember);
  background: rgba(4, 5, 46, 0.78);
}
#deck-home .arrow {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1;
  display: inline-block;
  transform: translateY(-1px);
}
#deck-home .label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
@media print {
  #deck-home { display: none; }
}