:root {
  --lab-signal: #e3b341;
  --lab-signal-soft: rgba(227, 179, 65, 0.14);
  --lab-border: rgba(128, 128, 128, 0.28);
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #171b1f;
  --md-accent-fg-color: var(--lab-signal);
}

[data-md-color-scheme="default"] {
  --md-primary-fg-color: #263238;
  --md-accent-fg-color: #8a6500;
}

.md-header,
.md-tabs {
  background: linear-gradient(100deg, #15191d, #273036);
  color: #fff;
}

.md-header .md-icon,
.md-header__button,
.md-header__title,
.md-search__button,
.md-tabs__link {
  color: #fff;
}

.md-typeset h1 {
  font-weight: 720;
  letter-spacing: -0.025em;
}

.md-typeset .md-button--primary {
  background-color: var(--lab-signal);
  border-color: var(--lab-signal);
  color: #17191b;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.lab-card {
  border: 1px solid var(--lab-border);
  border-radius: 0.55rem;
  padding: 0.2rem 1.1rem 0.7rem;
  background: linear-gradient(145deg, var(--lab-signal-soft), transparent 58%);
}

.lab-card h2 {
  margin-top: 0.8rem;
}

.episode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.episode-card {
  display: flex;
  flex-direction: column;
  min-height: 12rem;
  border: 1px solid var(--lab-border);
  border-radius: 0.65rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(145deg, var(--lab-signal-soft), transparent 65%);
}

.episode-card h3 {
  margin: 0.25rem 0 0.55rem;
}

.episode-card p:last-child {
  margin-top: auto;
  margin-bottom: 0;
}

.episode-kicker {
  color: var(--md-default-fg-color--light);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.video-placeholder {
  position: relative;
  display: grid;
  min-height: 18rem;
  place-content: center;
  margin: 1.5rem 0 2rem;
  overflow: hidden;
  border: 1px solid var(--lab-border);
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
  background:
    radial-gradient(circle at 50% 45%, rgba(227, 179, 65, 0.18), transparent 28%),
    linear-gradient(135deg, #101519, #263139);
  color: #fff;
}

.video-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 2rem 2rem;
}

.video-placeholder__content {
  position: relative;
  z-index: 1;
  max-width: 34rem;
}

.video-placeholder__icon {
  display: inline-grid;
  width: 3.6rem;
  height: 3.6rem;
  place-content: center;
  margin-bottom: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  color: var(--lab-signal);
  font-size: 1.45rem;
}

.video-placeholder__label {
  margin: 0 0 0.45rem;
  color: var(--lab-signal);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.video-placeholder h2 {
  margin: 0 0 0.55rem;
  color: #fff;
}

.video-placeholder p:last-child {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.75);
}

.episode-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.episode-nav a {
  display: block;
  border: 1px solid var(--lab-border);
  border-radius: 0.55rem;
  padding: 0.85rem 1rem;
}

.episode-nav a:last-child {
  text-align: right;
}

@media screen and (max-width: 44.984375em) {
  .lab-grid,
  .episode-grid,
  .episode-nav {
    grid-template-columns: 1fr;
  }

  .video-placeholder {
    min-height: 14rem;
    padding: 1.4rem;
  }

  .episode-nav a:last-child {
    text-align: left;
  }
}