/**
 * Episteme Presentation Theme
 * Clean black dark, minimal aesthetic
 */

:root {
  /* Core colors */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hover: #1a1a1a;

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-muted: #525252;

  /* Borders */
  --border-subtle: #262626;
  --border-default: #404040;

  /* Accents */
  --accent-episteme: #FBBF24;
  --accent-success: #10B981;
  --accent-danger: #EF4444;
  --accent-warning: #F59E0B;
  --accent-info: #3B82F6;

  /* Actor colors */
  --actor-research: #3B82F6;
  --actor-orchestrator: #8B5CF6;
  --actor-implementation: #10B981;
  --actor-deploy: #F59E0B;
  --actor-human: #EC4899;
  --actor-gardener: #14B8A6;
  --actor-production: #EF4444;

  /* Typography */
  --font-sans: 'Geist Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
}

/* ==============================================
   BASE REVEAL OVERRIDES
   ============================================== */

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

/* Ensure all slides have opaque background - fixes ghost bleed */
.reveal .slides section {
  background: var(--bg-primary);
}

.reveal {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 400;
  color: var(--text-primary);
}

.reveal h1, .reveal h2, .reveal h3, .reveal h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.reveal h1 {
  font-size: 3rem;
  font-weight: 700;
}

.reveal h2 {
  font-size: 2rem;
}

.reveal h3 {
  font-size: 1.5rem;
  color: var(--text-secondary);
}

.reveal p {
  line-height: 1.6;
}

.reveal code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-card);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}

.reveal pre code {
  padding: var(--space-md);
  border-radius: 8px;
  font-size: 0.8em;
}

/* Progress bar - subtle */
.reveal .progress {
  height: 1px;
  background: var(--border-subtle);
}

.reveal .progress span {
  background: var(--text-muted);
}

/* Progress bar styling is handled via Reveal.js config */

/* Controls - minimal */
.reveal .controls {
  color: var(--text-muted);
}

.reveal .controls button {
  opacity: 0.3;
  transition: opacity 0.2s ease;
}

.reveal .controls button:hover {
  opacity: 0.6;
}

/* Hide controls on title slide via data-state */
.reveal[data-state="title"] .controls {
  opacity: 0;
}

/* ==============================================
   SLIDE LAYOUTS
   ============================================== */

/* Title slide - Nike minimal */
.reveal .slides section.title-slide {
  height: 100%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.slide-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.slide-title h1 {
  font-size: 5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0;
}

.slide-title h1.brand {
  font-family: var(--font-sans);
  font-size: 6rem;
  font-weight: 400;
  letter-spacing: -0.03em;
}

.slide-title .subtitle {
  display: none;
}

/* Menu slide - deck picker in combined mode */
.reveal .slides section.menu-slide {
  height: 100%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.slide-menu-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-left: 10%;
  max-width: 800px;
  width: 100%;
}

.slide-menu-card .menu-card-number {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-episteme);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.slide-menu-card h2 {
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.slide-menu-card .menu-card-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.slide-menu-card .menu-card-hint {
  font-size: 1rem;
  color: var(--text-muted);
}

.slide-menu-card .key-hint {
  display: inline-block;
  padding: 0.1em 0.5em;
  background: var(--border-subtle);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Section title slide */
.slide-section-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-left: 10%;
}

.slide-section-title .section-number {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-episteme);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.slide-section-title h2 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.slide-section-title .subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.slide-section-title .description {
  max-width: 600px;
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Hook slide - Single powerful line */
.reveal .slides section.hook-slide {
  height: 100%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.slide-hook {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 10%;
}

.slide-hook .hook-line {
  font-size: 3rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.slide-hook .hook-subline {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: var(--space-lg);
  line-height: 1.4;
}

/* Problem slide */
.reveal .slides section.problem-slide {
  height: 100%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.slide-problem {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-left: 10%;
  max-width: 800px;
}

.slide-problem h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  color: var(--text-primary);
}

.slide-problem .problem-points {
  list-style: none;
  padding: 0;
  margin: 0;
}

.slide-problem .problem-points li {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  padding-left: var(--space-lg);
  position: relative;
}

.slide-problem .problem-points li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* Insight slide */
.reveal .slides section.insight-slide {
  height: 100%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.slide-insight {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-left: 10%;
  max-width: 800px;
}

.slide-insight h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  color: var(--accent-episteme);
}

.slide-insight .insight-points {
  list-style: none;
  padding: 0;
  margin: 0;
}

.slide-insight .insight-points li {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  padding-left: var(--space-lg);
  position: relative;
}

.slide-insight .insight-points li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-episteme);
}

/* Contrast slide - side by side comparison */
.reveal .slides section.contrast-slide {
  height: 100%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.slide-contrast {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1100px;
}

.slide-contrast h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  color: var(--text-primary);
}

.contrast-container {
  display: flex;
  gap: var(--space-xl);
  width: 100%;
}

.contrast-side {
  flex: 1;
  padding: var(--space-lg);
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}

.contrast-side.before {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--accent-danger);
}

.contrast-side.after {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--accent-success);
}

.contrast-side h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.contrast-side.before h3 {
  color: var(--accent-danger);
}

.contrast-side.after h3 {
  color: var(--accent-success);
}

.contrast-side .contrast-points {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contrast-side .contrast-points li {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
  position: relative;
}

.contrast-side.before .contrast-points li::before {
  content: "✗";
  position: absolute;
  left: 0;
  color: var(--accent-danger);
}

.contrast-side.after .contrast-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-success);
}

.contrast-callout {
  margin-top: var(--space-xl);
  font-size: 1.5rem;
  color: var(--accent-episteme);
  text-align: center;
}

/* Vision slide */
.reveal .slides section.vision-slide {
  height: 100%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.slide-vision {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
}

.slide-vision h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  color: var(--text-primary);
}

.slide-vision .vision-points {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.slide-vision .vision-points li {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  padding-left: var(--space-lg);
  position: relative;
}

.slide-vision .vision-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-success);
}

.slide-vision .vision-tagline {
  font-size: 3rem;
  font-weight: 400;
  color: var(--accent-episteme);
  margin-top: var(--space-2xl);
  letter-spacing: -0.02em;
}

/* ==============================================
   CODE SLIDE - Clean, minimal
   ============================================== */

.reveal .slides section.code-slide {
  height: 100%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: var(--space-xl);
}

.slide-code {
  width: 100%;
  max-width: 800px;
}

.slide-code h2 {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
}

.code-block {
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.code-block pre {
  margin: 0;
  padding: var(--space-lg);
  overflow-x: auto;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: transparent;
  padding: 0;
  white-space: pre;
  display: block;
}

/* ==============================================
   SEQUENCE DIAGRAM SLIDE
   ============================================== */

.slide-sequence {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-xl);
}

.slide-sequence .header {
  margin-bottom: var(--space-xl);
}

.slide-sequence .header h3 {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.slide-sequence .header h2 {
  font-size: 2rem;
  margin-bottom: 0;
}

/* Actors row */
.actors-row {
  display: flex;
  justify-content: space-around;
  padding: 0 var(--space-xl);
  margin-bottom: var(--space-xl);
}

.actor {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 100px;
}

.actor-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--bg-primary);
}

.actor-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  max-width: 100px;
}

.actor-line {
  width: 2px;
  background: var(--border-subtle);
  flex-grow: 1;
  margin-top: var(--space-md);
}

/* Steps container */
.steps-container {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  overflow-y: auto;
  padding: 0 var(--space-xl);
}

/* Step card */
.step-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.step-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.step-card.danger {
  border-color: var(--accent-danger);
  background: rgba(239, 68, 68, 0.1);
}

.step-card.success {
  border-color: var(--accent-success);
  background: rgba(16, 185, 129, 0.1);
}

.step-card.warning {
  border-color: var(--accent-warning);
  background: rgba(245, 158, 11, 0.1);
}

/* Step index */
.step-index {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.step-card.danger .step-index {
  background: var(--accent-danger);
  color: white;
}

.step-card.success .step-index {
  background: var(--accent-success);
  color: white;
}

/* Step content */
.step-content {
  flex-grow: 1;
}

.step-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.step-actors {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 500;
}

.step-from {
  color: var(--text-secondary);
}

.step-arrow {
  color: var(--text-muted);
}

.step-to {
  color: var(--text-secondary);
}

.step-action {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  background: var(--border-subtle);
  color: var(--text-muted);
}

.step-label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.step-note {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Step data */
.step-data {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  overflow-x: auto;
}

.step-data pre {
  margin: 0;
  white-space: pre-wrap;
}

/* Callout */
.step-callout {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--accent-episteme);
  color: var(--bg-primary);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.step-card.danger .step-callout {
  background: var(--accent-danger);
  color: white;
}

.step-card.success .step-callout {
  background: var(--accent-success);
  color: white;
}

/* ==============================================
   DATA VISUALIZATION
   ============================================== */

.data-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: var(--space-lg);
  margin: var(--space-md) 0;
}

.data-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
}

.data-card-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.data-card-content {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

/* JSON-like styling */
.json-key {
  color: var(--accent-info);
}

.json-string {
  color: var(--accent-success);
}

.json-number {
  color: var(--accent-episteme);
}

.json-boolean {
  color: var(--accent-warning);
}

.json-null {
  color: var(--text-muted);
}

/* ==============================================
   ANIMATIONS
   ============================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease forwards;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Fragment animations */
.reveal .slides section .fragment {
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.reveal .slides section .fragment.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================================
   RESPONSIVE
   ============================================== */

@media (max-width: 768px) {
  .reveal {
    font-size: 18px;
  }

  .slide-title h1 {
    font-size: 2.5rem;
  }

  .slide-section-title h2 {
    font-size: 2.5rem;
  }

  .actors-row {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .actor {
    min-width: 80px;
  }

  .step-card {
    flex-direction: column;
  }
}