/* ==========================================================================
   Console deck theme — reveal-hugo custom_theme
   Descends from the t-console-theme course pages: same near-black ground,
   same hairline rules, same per-site accent (--a, injected in
   layouts/partials/reveal-hugo/head.html from site.Params.accent).
   ========================================================================== */

:root {
  --a: #b6ff5c; /* fallback; overridden per site from hugo.toml accent */
  --bg: #0b0c0b;
  --panel: #101210;
  --rule: #1e211d;
  --rule-panel: #232720;
  --rule-link: #2c332a;
  --fg: #d8e0d6;
  --fg-bright: #e4ebe1;
  --fg-body: #b7c2b3;
  --fg-mute: #6d786a;
  --fg-label: #5d6a5a;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo,
    Consolas, "Liberation Mono", monospace;
  --sans: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Helvetica, Arial, sans-serif;

  --r-background-color: var(--bg);
  --r-main-font: var(--sans);
  --r-main-font-size: 38px;
  --r-main-color: var(--fg-body);
  --r-heading-font: var(--mono);
  --r-heading-color: var(--fg-bright);
  --r-link-color: var(--a);
  --r-link-color-hover: var(--fg-bright);
  --r-selection-background-color: var(--a);
  --r-selection-color: var(--bg);
}

.reveal-viewport {
  background: var(--bg);
}

.reveal {
  font-family: var(--r-main-font);
  font-size: var(--r-main-font-size);
  font-weight: 400;
  color: var(--r-main-color);
}

.reveal ::selection {
  color: var(--r-selection-color);
  background: var(--r-selection-background-color);
  text-shadow: none;
}

.reveal .slides section {
  text-align: left;
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   Headings — mono, like the course site's terminal chrome.
   h2 is the workhorse slide title: small accent tick + hairline underneath.
   -------------------------------------------------------------------------- */

.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4 {
  font-family: var(--r-heading-font);
  color: var(--r-heading-color);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.7em;
  text-transform: none;
  word-wrap: break-word;
}

.reveal h1 {
  font-size: 1.9em;
  text-align: center;
  margin-top: 0.5em;
}

/* Title slides: center the lone h1 and give it the site's accent rule. */
.reveal h1::after {
  content: "";
  display: block;
  width: 2.2em;
  height: 4px;
  margin: 0.35em auto 0;
  background: var(--a);
}

.reveal h2 {
  font-size: 1.35em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--rule);
}

.reveal h2::before {
  content: "## ";
  color: var(--a);
  font-weight: 600;
}

.reveal h3 {
  font-size: 1.1em;
}

.reveal h3::before {
  content: "### ";
  color: var(--fg-label);
}

.reveal h4 {
  font-size: 0.95em;
  color: var(--fg);
}

/* --------------------------------------------------------------------------
   Body copy
   -------------------------------------------------------------------------- */

.reveal p {
  margin: 0.6em 0;
}

.reveal strong,
.reveal b {
  color: var(--fg-bright);
  font-weight: 600;
}

.reveal em {
  color: var(--fg);
}

.reveal ul,
.reveal ol {
  display: block;
  margin: 0.4em 0 0.4em 1.1em;
}

.reveal ul li,
.reveal ol li {
  margin: 0.35em 0;
  padding-left: 0.15em;
}

.reveal ul li::marker {
  content: "– ";
  color: var(--a);
}

.reveal ol li::marker {
  color: var(--a);
  font-family: var(--mono);
}

.reveal ul ul li::marker {
  content: "· ";
  color: var(--fg-mute);
}

.reveal ul ul,
.reveal ol ol,
.reveal ul ol,
.reveal ol ul {
  font-size: 0.9em;
}

/* --------------------------------------------------------------------------
   Links
   -------------------------------------------------------------------------- */

.reveal a {
  color: var(--r-link-color);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-link);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.reveal a:hover {
  color: var(--r-link-color-hover);
  border-bottom-color: var(--a);
  text-shadow: none;
}

/* --------------------------------------------------------------------------
   Panels: blockquotes, code, tables — hairline-bordered like site cards
   -------------------------------------------------------------------------- */

.reveal blockquote {
  display: block;
  width: 92%;
  margin: 0.7em auto;
  padding: 0.5em 0.9em;
  background: var(--panel);
  border: 1px solid var(--rule-panel);
  border-left: 3px solid var(--a);
  font-style: normal;
  color: var(--fg);
  box-shadow: none;
}

.reveal blockquote p {
  margin: 0.3em 0;
}

.reveal code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--fg-bright);
  background: var(--panel);
  border: 1px solid var(--rule-panel);
  border-radius: 3px;
  padding: 0.05em 0.3em;
}

.reveal pre {
  display: block;
  width: 94%;
  margin: 0.7em auto;
  font-family: var(--mono);
  font-size: 0.55em;
  line-height: 1.4;
  box-shadow: none;
}

.reveal pre code {
  display: block;
  max-height: 450px;
  padding: 0.8em 1em;
  border: 1px solid var(--rule-panel);
  border-radius: 4px;
  background: var(--panel);
}

.reveal table {
  margin: 0.7em auto;
  border-collapse: collapse;
  font-size: 0.75em;
}

.reveal table th {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--fg-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8em;
  border-bottom: 1px solid var(--rule-panel);
  padding: 0.35em 0.7em;
  text-align: left;
}

.reveal table td {
  border-bottom: 1px solid var(--rule);
  padding: 0.35em 0.7em;
}

.reveal table tbody tr:last-child td {
  border-bottom: none;
}

/* --------------------------------------------------------------------------
   Media
   -------------------------------------------------------------------------- */

.reveal section img {
  max-width: 100%;
  max-height: 60vh;
  margin: 0.5em auto;
  display: block;
  background: transparent;
  border: 1px solid var(--rule-panel);
  border-radius: 4px;
  box-shadow: none;
}

.reveal section iframe {
  display: block;
  margin: 0.6em auto;
  max-width: 100%;
  border: 1px solid var(--rule-panel);
  border-radius: 4px;
}

/* Slides that stack several images: shrink them so they share the frame
   instead of running off the bottom. */
.reveal section:has(img ~ img) img {
  max-height: 34vh;
  display: inline-block;
  vertical-align: middle;
  margin: 0.3em 0.4em;
}

.reveal section:has(img ~ img) p {
  text-align: center;
}

.reveal section video {
  max-width: 100%;
  max-height: 60vh;
  margin: 0.5em auto;
  display: block;
}

/* Paired image and copy: {{< slide-split src="..." alt="..." >}} */
.reveal .slide-split {
  display: grid;
  grid-template-columns: minmax(0, 43fr) minmax(0, 53fr);
  gap: 1em;
  align-items: center;
}

.reveal .slide-split__media {
  min-width: 0;
  margin: 0;
}

.reveal .slide-split__media img {
  width: 100%;
  max-height: 52vh;
  margin: 0;
  object-fit: contain;
}

.reveal .slide-split__copy {
  min-width: 0;
  font-size: 0.78em;
}

.reveal .slide-split--compact .slide-split__copy {
  font-size: 0.68em;
  line-height: 1.35;
}

.reveal .slide-split--compact .slide-split__copy li {
  margin: 0.25em 0;
}

.reveal .slide-split__copy > :first-child {
  margin-top: 0;
}

.reveal .slide-split__copy > :last-child {
  margin-bottom: 0;
}

.reveal .slide-split--image-right .slide-split__media {
  order: 2;
}

/* Paired concepts: {{< slide-columns >}} with two slide-column children. */
.reveal .slide-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5em;
  align-items: start;
  margin-top: 0.5em;
}

.reveal .slide-column {
  min-width: 0;
  padding: 0.8em 0.1em 0;
  border-top: 3px solid var(--a);
}

.reveal .slide-column h3 {
  margin: 0 0 0.7em;
}

.reveal .slide-column__body {
  font-size: 0.82em;
  line-height: 1.4;
}

.reveal .slide-column__body > :first-child {
  margin-top: 0;
}

.reveal .slide-column__body > :last-child {
  margin-bottom: 0;
}

/* Slides with background images: let text sit on a readable scrim. */
.reveal .slide-background-content {
  background-color: transparent;
}

/* --------------------------------------------------------------------------
   Chrome: controls, progress, slide numbers
   -------------------------------------------------------------------------- */

.reveal .controls {
  color: var(--a);
}

.reveal .progress {
  height: 3px;
  background: var(--rule);
  color: var(--a);
}

.reveal .slide-number {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--fg-mute);
  background: transparent;
}

/* --------------------------------------------------------------------------
   Fragments
   -------------------------------------------------------------------------- */

.reveal .slides section .fragment {
  transition: all 0.2s ease;
}

.reveal .slides section .fragment.highlight-current-blue.current-fragment {
  color: var(--a);
}

/* Text-heavy slides: {{< slide class="compact" >}} */
.reveal section.compact > p,
.reveal section.compact > ul,
.reveal section.compact > ol {
  font-size: 0.82em;
  line-height: 1.35;
}

.reveal section.compact > ul li,
.reveal section.compact > ol li {
  margin: 0.25em 0;
}

/* --------------------------------------------------------------------------
   Full-bleed background slides ({{< slide background-image="..." >}})
   Text sits on the dimmed photo: bigger, brighter, shadowed, no hairlines.
   -------------------------------------------------------------------------- */

.reveal .slides section[data-background-image] h1,
.reveal .slides section[data-background-image] h2,
.reveal .slides section[data-background-image] h3,
.reveal .slides section[data-background-image] p,
.reveal .slides section[data-background-image] li {
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.85), 0 0 2px rgba(0, 0, 0, 0.9);
}

.reveal .slides section[data-background-image] h1,
.reveal .slides section[data-background-image] h2 {
  color: #fff;
  border-bottom: none;
}

.reveal .slides section[data-background-image] h2 {
  font-size: 1.6em;
}

/* --------------------------------------------------------------------------
   Pull-quote slides — {{< slide class="quote" >}}   (design ref: 2B)
   The blockquote's first paragraph is the quote; a second paragraph inside
   it (or one right after it) is the attribution. An optional h3 above is a
   kicker label.

     {{< slide class="quote" >}}

     ### on listening

     > Rain is sizzling bacon.
     >
     > &mdash; Skip Lievsay, *sound designer*

   Long quotations get the same treatment a step down in size, so a passage
   of book-length prose still fits the slide:

     {{< slide class="quote long" >}}

   Inline blockquotes on ordinary slides keep the panel treatment above.
   -------------------------------------------------------------------------- */

/* Kicker: small mono label with the accent ## echo */
.reveal section.quote h3 {
  font-family: var(--mono);
  font-size: 0.5em;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--fg-label);
  margin: 0 0 2.2em;
}

.reveal section.quote h3::before {
  content: "## ";
  color: var(--a);
}

/* The quote: accent rule on the left, big sans type, no panel */
.reveal section.quote blockquote {
  width: auto;
  margin: 0;
  padding: 0.15em 0 0.15em 0.95em;
  background: transparent;
  border: none;
  border-left: 3px solid var(--a);
  font-size: 1em;
  box-shadow: none;
}

.reveal section.quote blockquote p {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.85em;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fg-bright);
  text-wrap: balance;
}

/* Long passages: same pull-quote frame, prose-scale type so it still fits.
   text-wrap:balance is dropped here — it fights long multi-line paragraphs. */
.reveal section.quote.long blockquote p {
  font-size: 0.95em;
  line-height: 1.35;
  letter-spacing: -0.01em;
  text-wrap: initial;
}

.reveal section.quote.long blockquote p + p {
  margin-top: 1.1em;
}

/* Attribution: second paragraph inside the quote, or the one after it */
.reveal section.quote blockquote p + p,
.reveal section.quote blockquote + p {
  margin: 1.4em 0 0;
  font-family: var(--mono);
  font-size: 0.5em;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--fg-body);
  text-wrap: initial;
}

/* Role or context inside the attribution: *sound designer* */
.reveal section.quote blockquote p + p em,
.reveal section.quote blockquote + p em {
  font-style: normal;
  color: var(--fg-mute);
}

/* Closing hairline, echoing the h2 underline */
.reveal section.quote blockquote::after {
  content: "";
  display: block;
  margin-top: 1.2em;
  border-top: 1px solid var(--rule);
}

/* --------------------------------------------------------------------------
   Audio demos — {{< audio-demo type="..." >}} widgets (static/audio-demos.js)
   Panel treatment echoes blockquotes: panel ground, hairline border, accent
   left rule. Everything runs small — the deck base is 38px.
   -------------------------------------------------------------------------- */

.reveal .audio-demo {
  background: var(--panel);
  border: 1px solid var(--rule-panel);
  border-left: 3px solid var(--a);
  padding: 0.35em 0.55em;
  margin: 0.4em auto 0;
  font-family: var(--mono);
  font-size: 0.55em;
  line-height: 1.3;
}

.reveal .audio-demo__fallback {
  color: var(--fg-mute);
  margin: 0;
}

.reveal .audio-demo__scope {
  display: block;
  width: 100%;
  height: auto;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 3px;
  margin: 0 0 0.35em;
}

.reveal .audio-demo__controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 1.2em;
  row-gap: 0.15em;
}

.reveal .audio-demo--compact .audio-demo__controls {
  column-gap: 0.8em;
}

.reveal .audio-demo__row {
  display: grid;
  grid-template-columns: 4.5em minmax(0, 1fr) auto;
  gap: 0.5em;
  align-items: center;
}

.reveal .audio-demo__label {
  color: var(--fg-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85em;
}

.reveal .audio-demo__readout {
  color: var(--a);
  font-size: 0.85em;
  white-space: nowrap;
  text-align: right;
  min-width: 4em;
}

.reveal .audio-demo input[type="range"] {
  accent-color: var(--a);
  min-width: 0;
  height: 0.9em;
}

.reveal .audio-demo input[type="checkbox"] {
  accent-color: var(--a);
  justify-self: start;
}

.reveal .audio-demo__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em;
  margin-top: 0.35em;
}

.reveal .audio-demo__btn {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--a);
  background: transparent;
  border: 1px solid var(--rule-link);
  border-radius: 3px;
  padding: 0.25em 0.8em;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.reveal .audio-demo__btn:hover {
  border-color: var(--a);
  color: var(--fg-bright);
}

.reveal .audio-demo__btn.is-active {
  background: var(--a);
  color: var(--bg);
  border-color: var(--a);
}

.reveal .audio-demo__caption {
  color: var(--fg-mute);
  font-size: 0.8em;
  margin: 0.3em 0 0;
}