/* BitDevs DMV — presentation theme
   Shared by decks under /presentations/
   Brand: navy #07111f + Bitcoin orange #f7931a + IBM Plex
*/

:root {
  --ink: #07111f;
  --ink-elevated: #0c1a2d;
  --ink-soft: #132338;
  --ink-panel: rgba(14, 26, 44, 0.92);
  --signal: #f7931a;
  --signal-hot: #ffb03a;
  --paper: #f3f5f8;
  --muted: #8a96a8;
  --muted-bright: #b7c0ce;
  --line: rgba(247, 147, 26, 0.4);
  --line-soft: rgba(238, 241, 245, 0.1);
  --font-ui: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

html,
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

.reveal {
  font-family: var(--font-ui);
  font-size: 28px;
  color: var(--paper);
  font-weight: 400;
}

.reveal .slides {
  text-align: left;
}

.reveal .slides > section {
  padding: 3.4rem 3rem 3.6rem;
  box-sizing: border-box;
  height: 100%;
}

.reveal .slides > section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 420px at 92% -8%, rgba(247, 147, 26, 0.1), transparent 55%),
    radial-gradient(700px 400px at -8% 18%, rgba(20, 55, 100, 0.38), transparent 52%),
    linear-gradient(180deg, #081321 0%, #050b14 58%, #040910 100%);
  z-index: -1;
  pointer-events: none;
}

.reveal h1,
.reveal h2,
.reveal h3 {
  font-family: var(--font-ui);
  color: var(--paper);
  text-transform: none;
  letter-spacing: -0.01em;
  font-weight: 600;
  margin: 0;
  line-height: 1.15;
  text-shadow: none;
}

.reveal h1 {
  font-size: 2.5em;
  font-weight: 700;
  color: var(--paper);
}

.reveal h2 {
  font-size: 1.28em;
  font-weight: 650;
  padding-bottom: 0.55rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.reveal h3 {
  font-size: 0.72em;
  font-weight: 650;
  color: var(--signal);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.45rem;
}

.reveal p,
.reveal li {
  color: var(--paper);
  line-height: 1.38;
}

.reveal ul {
  margin: 0.15rem 0 0.7rem;
  padding: 0 0 0 1.15rem;
  display: block;
}

.reveal li {
  margin: 0.32rem 0;
  font-size: 0.74em;
  color: #e8edf5;
}

.reveal code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--signal-hot);
  background: rgba(247, 147, 26, 0.1);
  padding: 0.05em 0.3em;
  border-radius: 3px;
}

.reveal li::marker {
  color: var(--signal);
}

.reveal ul ul {
  margin: 0.25rem 0 0.35rem;
}

.reveal ul ul li {
  font-size: 0.92em;
  color: var(--muted-bright);
}

.reveal a {
  color: var(--signal);
  text-decoration: none;
}

.reveal a:hover {
  color: var(--signal-hot);
  text-decoration: underline;
}

/* —— Chrome —— */
.slide-chrome {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.35rem 0.75rem;
  z-index: 6;
  pointer-events: none;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(7, 17, 31, 0.92), rgba(7, 17, 31, 0.35));
}

.slide-chrome .mark {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.slide-chrome .mark img {
  width: 22px;
  height: auto;
  aspect-ratio: 1063 / 1356;
  object-fit: contain;
  display: block;
}

.slide-chrome .mark-name {
  font-size: 0.52em;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.slide-chrome .mark-name span {
  color: var(--signal);
}

.slide-chrome .deck-meta {
  font-family: var(--font-mono);
  font-size: 0.42em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.slide-foot {
  position: absolute;
  left: 1.35rem;
  right: 4.5rem;
  bottom: 0.7rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 6;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 0.38em;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.slide-foot .accent {
  color: var(--signal);
}

/* —— Eyebrow / sources / discuss —— */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.48em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
  font-weight: 500;
  margin: 0 0 0.35rem;
}

.sources {
  font-family: var(--font-mono);
  font-size: 0.48em;
  color: var(--muted);
  margin: 0.15rem 0 0.75rem;
  line-height: 1.45;
  word-break: break-word;
}

.sources a {
  color: var(--signal);
}

.section-line {
  font-size: 0.62em;
  color: #e8edf5;
  margin: 0 0 0.28rem;
  line-height: 1.3;
}

.reveal .link-row {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 0.4rem;
  width: 100%;
  margin: 0 0 0.28rem;
  padding: 0;
  list-style: none;
}

.reveal .link-row a {
  flex: 1 1 0;
  min-width: 0;
  display: block;
  box-sizing: border-box;
  text-align: center;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.48em;
  line-height: 1.2;
  color: var(--signal);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.32rem 0.4rem;
  background: rgba(247, 147, 26, 0.08);
}

.reveal .link-row a:hover {
  color: var(--signal-hot);
  background: rgba(247, 147, 26, 0.16);
}

.notes-preview {
  margin: 0 0 0.4rem;
  padding: 0.28rem 0.5rem;
  background: rgba(12, 26, 45, 0.45);
  border: 1px solid var(--line-soft);
  border-radius: 6px;
}

.notes-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem 0.85rem;
}

.reveal .notes-preview p {
  font-size: 0.42em;
  line-height: 1.25;
  margin: 0;
  color: var(--muted-bright);
}

.reveal .notes-preview strong {
  color: var(--paper);
  font-weight: 600;
}

.grid-3 .col ul {
  margin: 0.35rem 0 0;
  padding-left: 1.05rem;
}

.grid-3 .col li {
  font-size: 0.48em;
  line-height: 1.35;
  margin: 0.16rem 0;
  color: #e8edf5;
}

details.expand {
  margin: 0.15rem 0 0.35rem;
}

details.expand > summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.74em;
  color: #e8edf5;
  line-height: 1.38;
}

details.expand > summary::-webkit-details-marker {
  display: none;
}

details.expand > summary::before {
  content: "+";
  color: var(--signal);
  font-family: var(--font-mono);
  font-weight: 700;
  margin-right: 0.45rem;
}

details.expand[open] > summary::before {
  content: "−";
}

details.expand .expand-body {
  margin: 0.35rem 0 0.45rem 1.15rem;
  padding-left: 0.7rem;
  border-left: 1px solid var(--line);
}

details.expand .expand-body li {
  font-size: 0.68em;
}

details.expand .expand-body a {
  font-family: var(--font-mono);
  font-size: 0.92em;
}


.discuss {
  background: var(--ink-panel);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--signal);
  padding: 0.75rem 1rem 0.8rem;
  margin-top: 0.55rem;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}

.sources-tight {
  margin: 0 0 0.55rem !important;
  line-height: 1.4;
}

.critique-list {
  margin: 0 0 0.55rem !important;
}

.critique-list li {
  font-size: 0.66em !important;
  margin: 0.22rem 0 !important;
  line-height: 1.32;
}

.discuss-compact {
  padding: 0.55rem 0.85rem 0.6rem;
  margin-top: 0.35rem;
}

.discuss-compact .label {
  margin-bottom: 0.25rem;
}

.discuss-compact li {
  font-size: 0.62em !important;
  margin: 0.18rem 0 !important;
  line-height: 1.3;
}

.discuss .label {
  font-family: var(--font-mono);
  font-size: 0.48em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
  font-weight: 600;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.discuss .label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.2);
}

.discuss ol {
  margin: 0 0 0 1.05rem;
  padding: 0;
}

.discuss li {
  font-size: 0.68em;
  color: #edf2f8;
  margin: 0.28rem 0;
}

.discuss li::marker {
  color: var(--signal);
  font-weight: 600;
}

/* —— Title / close —— */
.reveal .slides > section.slide-hero,
.reveal .slides > section.slide-close {
  text-align: center;
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.slide-hero .slide-chrome,
.slide-close .slide-chrome {
  background: transparent;
  border-bottom-color: transparent;
}

.hero-logo {
  width: 118px;
  height: auto;
  aspect-ratio: 1063 / 1356;
  object-fit: contain;
  object-position: center;
  margin: 0 auto 1.1rem;
  filter: drop-shadow(0 10px 28px rgba(247, 147, 26, 0.22));
}

.reveal img.hero-logo {
  max-height: none;
}

.slide-hero h1 {
  font-size: 2.35em;
  margin-bottom: 0.2rem;
}

.slide-hero h1 .signal {
  color: var(--signal);
}

.hero-sub {
  font-size: 1.05em;
  font-weight: 500;
  color: var(--muted-bright);
  margin: 0.15rem 0 1.15rem;
}

.hero-meta {
  font-size: 0.72em;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.hero-rules {
  margin-top: 1.25rem;
  display: inline-flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: center;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.48em;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--signal);
  border: 1px solid var(--line);
  background: rgba(247, 147, 26, 0.08);
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
}

.hero-site {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.55em;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.stars {
  color: var(--signal);
  letter-spacing: 0.35em;
  font-size: 0.55em;
  margin: 0.85rem 0 0;
}

/* Close */
.close-list {
  list-style: none;
  padding: 0;
  margin: 0.4rem auto 1rem;
  text-align: left;
  display: inline-block;
}

.close-list li {
  font-size: 0.78em;
  margin: 0.45rem 0;
  padding-left: 0;
}

.close-list strong {
  color: var(--signal);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.qr-card {
  width: 260px;
  height: 260px;
  margin: 0.4rem auto 0.9rem;
  padding: 14px;
  background: #fff;
  border-radius: 12px;
  box-sizing: border-box;
  box-shadow:
    0 0 0 1px rgba(247, 147, 26, 0.35),
    0 16px 40px rgba(0, 0, 0, 0.35);
}

.qr-card svg {
  display: block;
  width: 100%;
  height: 100%;
}

.chatham {
  font-size: 0.62em;
  color: var(--muted);
  font-style: italic;
  margin: 0.35rem 0 0;
  max-width: 34em;
}

/* Two-column layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.5rem;
  margin-bottom: 0.55rem;
}

.grid-2 .col {
  background: rgba(12, 26, 45, 0.45);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  padding: 0.7rem 0.85rem 0.75rem;
}

.grid-2 ul {
  margin-bottom: 0;
}

.grid-2 li {
  font-size: 0.64em;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.7rem;
  margin: 0.15rem 0 0.7rem;
}

.grid-3 .col {
  background: rgba(12, 26, 45, 0.45);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  padding: 0.55rem 0.6rem 0.65rem;
  min-height: 0;
}

.grid-3 .col h3 {
  margin-bottom: 0.25rem;
  font-size: 0.54em;
}

.grid-3 .col h3 a {
  color: inherit;
}

.grid-3 .col p {
  font-size: 0.52em;
  color: #e8edf5;
  line-height: 1.32;
  margin: 0;
}

.grid-3 .col .who {
  font-family: var(--font-mono);
  font-size: 0.42em;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin: 0 0 0.25rem;
  text-transform: none;
}

.grid-3 .col .classify {
  font-size: 0.78em;
  font-weight: 700;
  color: var(--signal);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0.15rem 0 0.4rem;
}

.grid-3 .col .card-qr {
  width: 140px;
  height: 140px;
  margin: 0.15rem auto 0.28rem;
  padding: 8px;
  background: #fff;
  border-radius: 6px;
  box-sizing: border-box;
}

.grid-3 .col .card-qr svg {
  display: block;
  width: 100%;
  height: 100%;
}

.grid-3 .col .card-link {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.32em;
  line-height: 1.25;
  word-break: break-all;
  color: var(--signal);
  margin: 0 0 0.3rem;
}

.grid-3 .col .card-link:hover {
  color: var(--signal-hot);
}


/* Topic + resource QR */
.slide-split {
  display: grid;
  grid-template-columns: 1fr 176px;
  gap: 1rem;
  align-items: start;
}

.slide-split .main {
  min-width: 0;
}

.resource-qr {
  text-align: center;
  background: rgba(12, 26, 45, 0.55);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  padding: 0.55rem 0.45rem 0.6rem;
}

.resource-qr .qr-mini {
  width: 152px;
  height: 152px;
  margin: 0 auto 0.4rem;
  padding: 8px;
  background: #fff;
  border-radius: 6px;
  box-sizing: border-box;
  box-shadow: 0 0 0 1px rgba(247, 147, 26, 0.3);
}

.resource-qr .qr-mini svg {
  display: block;
  width: 100%;
  height: 100%;
}

.resource-qr .qr-label {
  font-family: var(--font-mono);
  font-size: 0.38em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
  font-weight: 600;
  margin: 0 0 0.2rem;
}

.resource-qr .qr-title {
  font-size: 0.46em;
  font-weight: 600;
  color: var(--paper);
  line-height: 1.25;
  margin: 0 0 0.15rem;
}

.resource-qr .qr-url {
  font-family: var(--font-mono);
  font-size: 0.32em;
  color: var(--muted);
  word-break: break-all;
  line-height: 1.3;
  margin: 0;
}

.resource-qr a {
  color: inherit;
  text-decoration: none;
}

.resource-qr a:hover .qr-title {
  color: var(--signal-hot);
}

/* Reveal chrome overrides */
.reveal .progress {
  color: var(--signal);
  height: 3px;
  background: rgba(238, 241, 245, 0.08);
}

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

.reveal .controls button {
  opacity: 0.55;
}

.reveal .controls button:hover,
.reveal .controls button.Enabled {
  opacity: 1;
}

.reveal .slide-number {
  color: var(--muted) !important;
  font-family: var(--font-mono) !important;
  font-size: 13px !important;
  background: transparent !important;
  right: 16px !important;
  bottom: 12px !important;
  letter-spacing: 0.04em;
}

.reveal .backgrounds {
  background: var(--ink);
}