body {
  background:
    radial-gradient(circle at top right, rgba(13, 110, 253, 0.08), transparent 22%),
    linear-gradient(180deg, #f8f9fa 0%, #eef2f6 100%);
}

.narrative {
  max-width: 900px;
}

.example-card {
  height: 100%;
  border-radius: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid rgba(108, 117, 125, 0.12);
  background:
    radial-gradient(circle at top right, rgba(13, 110, 253, 0.06), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
}

.example-card.is-ready:hover {
  transform: translateY(-2px);
  box-shadow: var(--bs-box-shadow);
}

.example-card.example-card-loading {
  opacity: 0.92;
}

.example-chip {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.65rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: rgba(108, 117, 125, 0.1);
  color: var(--bs-secondary-color);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.example-chip.is-ready {
  background: rgba(25, 135, 84, 0.12);
  color: #0f5132;
}

.example-chip.is-missing {
  background: rgba(108, 117, 125, 0.12);
  color: var(--bs-secondary-color);
}

.example-video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 8.2;
  max-height: 72vh;
  margin: 0 auto;
  border-radius: 1rem;
  overflow: hidden;
  background: #000;
}

.example-video-player {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}

.modal-dialog.modal-xl {
  max-width: min(96vw, 1600px);
}

.modal-body {
  padding: 1rem;
}

.player-shell {
  border-radius: 1rem;
}

.player-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--bs-border-color);
  background: var(--bs-light-bg-subtle);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bs-secondary-color);
}

.meta-title {
  font-weight: 700;
}

.meta-strap {
  color: var(--bs-secondary-color);
}

.top-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(13, 110, 253, 0.12);
  overflow: hidden;
}

.top-track span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--bs-primary), #5aa0ff);
}

.slide-list {
  display: grid;
  gap: 0.75rem;
  max-height: 66vh;
  overflow: auto;
}

.slide-index-button {
  width: 100%;
  text-align: left;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.85rem;
  background: #fff;
}

.slide-index-button span {
  display: block;
  color: var(--bs-secondary-color);
  font-size: 0.84rem;
}

.slide-index-button strong {
  display: block;
  margin: 0.2rem 0;
}

.slide-index-button.is-active {
  border-color: rgba(13, 110, 253, 0.45);
  background: rgba(13, 110, 253, 0.08);
}

.slide-canvas {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  border-radius: 1.2rem;
  background:
    radial-gradient(circle at top left, rgba(13, 110, 253, 0.12), transparent 24%),
    radial-gradient(circle at bottom right, rgba(25, 135, 84, 0.12), transparent 20%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--bs-border-color);
}

.slide-canvas.empty {
  display: grid;
  place-items: center;
}

.empty-state {
  text-align: center;
  padding: 2rem;
}

.empty-state h2 {
  margin-bottom: 0.5rem;
}

.empty-state p {
  margin: 0;
  color: var(--bs-secondary-color);
}

.slide-wash,
.slide-orb {
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.slide-wash {
  width: 380px;
  height: 380px;
  left: -140px;
  top: -140px;
  background: radial-gradient(circle, rgba(13, 110, 253, 0.16), transparent 62%);
}

.slide-orb {
  width: 220px;
  height: 220px;
  right: -80px;
  bottom: -80px;
  background: radial-gradient(circle, rgba(25, 135, 84, 0.14), transparent 62%);
}

.slide-frame {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 1rem;
  min-height: 100%;
  padding: 1.5rem;
}

.slide-left,
.slide-right {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.slide-eyebrow {
  font-size: 0.78rem;
  color: var(--bs-secondary-color);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.slide-title {
  margin: 0.15rem 0 0;
  font-size: clamp(2.1rem, 4vw, 3.8rem);
  line-height: 0.95;
}

.slide-summary {
  margin: 0;
  color: var(--bs-secondary-color);
  line-height: 1.6;
}

.highlight-grid,
.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.highlight-card,
.slide-panel {
  padding: 1rem;
  border: 1px solid var(--bs-border-color);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--bs-box-shadow-sm);
}

.highlight-card span,
.slide-panel span {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--bs-secondary-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.highlight-card strong,
.slide-panel strong {
  display: block;
  margin-top: 0.35rem;
}

.slide-panel p {
  margin: 0.5rem 0 0;
  color: var(--bs-secondary-color);
  line-height: 1.55;
}

.caption-bar {
  min-height: 70px;
  padding: 0.9rem 1rem;
  border: 1px solid var(--bs-border-color);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.9);
  color: var(--bs-body-color);
  line-height: 1.6;
}

.code-area {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.busy-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.pipeline-diagram-shell {
  padding: 1.2rem 1.2rem 1rem;
  border: 1px solid rgba(108, 117, 125, 0.12);
  border-radius: 1.15rem;
  background:
    radial-gradient(circle at top right, rgba(13, 110, 253, 0.1), transparent 28%),
    radial-gradient(circle at bottom left, rgba(25, 135, 84, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(246, 249, 252, 1));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  overflow-x: auto;
}

.pipeline-diagram {
  display: grid;
  grid-template-columns: repeat(8, minmax(132px, 1fr));
  gap: 1rem;
  min-width: 1120px;
}

.pipeline-diagram-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(108, 117, 125, 0.12);
}

.pipeline-summary {
  color: var(--bs-body-color);
  font-size: 0.96rem;
  font-weight: 600;
}

.pipeline-step-counter {
  flex: 0 0 auto;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(33, 37, 41, 0.06);
  color: var(--bs-secondary-color);
  font-size: 0.82rem;
  font-weight: 700;
}

.diagram-stage {
  position: relative;
  display: grid;
  gap: 0.55rem;
  padding-top: 0.15rem;
}

.diagram-rail {
  position: absolute;
  top: 1.3rem;
  left: calc(50% + 1rem);
  right: -1rem;
  height: 3px;
  opacity: 1;
  background: linear-gradient(
    90deg,
    rgba(108, 117, 125, 0.14) 0%,
    rgba(108, 117, 125, 0.28) 50%,
    rgba(108, 117, 125, 0.14) 100%
  );
  overflow: hidden;
}

.diagram-stage.is-running .diagram-rail::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(90, 160, 255, 0.08) 20%,
    rgba(255, 255, 255, 0.9) 50%,
    rgba(90, 160, 255, 0.08) 80%,
    transparent 100%
  );
  animation: diagram-flow 1.2s linear infinite;
}

.diagram-stage.is-success .diagram-rail {
  background: linear-gradient(
    90deg,
    rgba(25, 135, 84, 0.18) 0%,
    rgba(25, 135, 84, 0.4) 50%,
    rgba(25, 135, 84, 0.18) 100%
  );
}

.diagram-stage.is-error .diagram-rail {
  background: linear-gradient(
    90deg,
    rgba(220, 53, 69, 0.18) 0%,
    rgba(220, 53, 69, 0.42) 50%,
    rgba(220, 53, 69, 0.18) 100%
  );
}

.diagram-traveler {
  position: absolute;
  top: 1rem;
  left: calc(50% + 0.45rem);
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  opacity: 0;
  background: radial-gradient(circle, #ffffff 0%, #5aa0ff 55%, #0d6efd 100%);
  box-shadow: 0 0 0.7rem rgba(13, 110, 253, 0.5);
}

.diagram-traveler.is-visible {
  opacity: 1;
  animation: diagram-travel 1.4s linear infinite;
}

.diagram-node {
  position: relative;
  width: 2.6rem;
  height: 2.6rem;
}

.diagram-node-ring,
.diagram-node-core {
  position: absolute;
  border-radius: 999px;
}

.diagram-node-ring {
  inset: 0;
  border: 2px solid rgba(108, 117, 125, 0.18);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.05);
}

.diagram-node-core {
  inset: 0.52rem;
  background: rgba(108, 117, 125, 0.22);
}

.diagram-stage.is-running .diagram-node-ring {
  border-color: rgba(13, 110, 253, 0.45);
  box-shadow: 0 0 0 0 rgba(13, 110, 253, 0.22);
  animation: diagram-pulse 1.2s ease-out infinite;
}

.diagram-stage.is-running .diagram-node-core {
  background: var(--bs-primary);
}

.diagram-stage.is-success .diagram-node-ring {
  border-color: rgba(25, 135, 84, 0.32);
}

.diagram-stage.is-success .diagram-node-core {
  background: var(--bs-success);
}

.diagram-stage.is-error .diagram-node-ring {
  border-color: rgba(220, 53, 69, 0.34);
}

.diagram-stage.is-error .diagram-node-core {
  background: var(--bs-danger);
}

.diagram-stage-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.diagram-stage-status {
  color: var(--bs-secondary-color);
  font-size: 0.84rem;
}

.diagram-agents {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  min-height: 2rem;
}

.diagram-agent-pill,
.diagram-agent-placeholder {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  font-size: 0.76rem;
}

.diagram-agent-pill {
  border: 1px solid rgba(13, 110, 253, 0.18);
  background: rgba(13, 110, 253, 0.08);
  color: var(--bs-body-color);
  box-shadow: var(--bs-box-shadow-sm);
  animation: diagram-agent-float 1.4s ease-in-out infinite;
}

.diagram-stage.is-error .diagram-agent-pill {
  border-color: rgba(220, 53, 69, 0.18);
  background: rgba(220, 53, 69, 0.08);
}

.diagram-stage.is-success .diagram-agent-pill {
  border-color: rgba(25, 135, 84, 0.18);
  background: rgba(25, 135, 84, 0.08);
}

.diagram-agent-placeholder {
  opacity: 0;
  pointer-events: none;
}

@keyframes diagram-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(13, 110, 253, 0.22);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(13, 110, 253, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(13, 110, 253, 0);
  }
}

@keyframes diagram-flow {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes diagram-agent-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-2px);
  }
}

@keyframes diagram-travel {
  0% {
    transform: translateX(0);
    opacity: 0;
  }
  12% {
    opacity: 1;
  }
  100% {
    transform: translateX(calc(100% + 1.1rem));
    opacity: 0;
  }
}

@media (max-width: 1199px) {
  .slide-frame {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .pipeline-diagram-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .slide-frame,
  .highlight-grid,
  .panel-grid {
    grid-template-columns: 1fr;
  }

  .slide-canvas {
    min-height: auto;
  }

  .slide-frame {
    padding: 1rem;
  }
}