/* ═════════════════════════════════════════════════════════════════════════════
   NEURAL MEDUSA & YC SECOND BRAIN CYBERNETIC ENGINE
   Combines:
   1. Medusa-01 3D Particle Dome & Bioluminescent Node Constellation (Video 2)
   2. YC CEO Second Brain Knowledge Graph & Multi-Cluster Neural Links (Video 1)
   3. 8-Deck Tactical Micro-HUD & Live Sparklines
   ═════════════════════════════════════════════════════════════════════════════ */

:root {
  --medusa-bg: #050811;
  --medusa-card-bg: rgba(9, 14, 26, 0.85);
  --medusa-card-border: rgba(0, 240, 255, 0.18);
  --medusa-card-hover: rgba(0, 240, 255, 0.45);
  
  --neon-cyan: #00f0ff;
  --neon-cyan-glow: 0 0 15px rgba(0, 240, 255, 0.6);
  --neon-orange: #ff6b00;
  --neon-orange-glow: 0 0 15px rgba(255, 107, 0, 0.6);
  --neon-magenta: #ec4899;
  --neon-magenta-glow: 0 0 15px rgba(236, 72, 153, 0.6);
  --neon-lime: #00e676;
  --neon-lime-glow: 0 0 15px rgba(0, 230, 118, 0.6);
  --neon-purple: #a855f7;
  
  --font-mono: 'JetBrains Mono', 'Share Tech Mono', monospace;
  --font-display: 'Outfit', 'Inter', -apple-system, sans-serif;
}

/* ══════════ HERO HUD CONTAINER ══════════ */
.medusa-brain-hud {
  position: relative;
  background: radial-gradient(circle at 50% 20%, rgba(13, 24, 48, 0.85) 0%, rgba(5, 8, 17, 0.98) 85%);
  border: 1px solid var(--medusa-card-border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.8), inset 0 0 30px rgba(0, 240, 255, 0.05);
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
  font-family: var(--font-display);
  color: #e2e8f0;
}

/* Top Telemetry Flight Ribbon */
.medusa-telemetry-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 18px;
  background: rgba(4, 7, 14, 0.85);
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.medusa-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 10px;
}
.medusa-tag-orange {
  background: rgba(255, 107, 0, 0.15);
  color: var(--neon-orange);
  border: 1px solid rgba(255, 107, 0, 0.5);
  text-shadow: var(--neon-orange-glow);
}
.medusa-tag-cyan {
  background: rgba(0, 240, 255, 0.12);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.45);
  text-shadow: var(--neon-cyan-glow);
}
.medusa-tag-lime {
  background: rgba(0, 230, 118, 0.12);
  color: var(--neon-lime);
  border: 1px solid rgba(0, 230, 118, 0.45);
  text-shadow: var(--neon-lime-glow);
}

.telemetry-metrics {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #94a3b8;
}
.telemetry-metric-val {
  color: #f8fafc;
  font-weight: 600;
}

/* Interactive Canvas Stage */
.medusa-stage {
  position: relative;
  width: 100%;
  height: 380px;
  background: radial-gradient(circle at center, rgba(16, 36, 68, 0.3) 0%, rgba(5, 8, 17, 0.95) 80%);
  overflow: hidden;
}

.medusa-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Overlay Visualizer Controls */
.medusa-stage-controls {
  position: absolute;
  top: 14px;
  right: 18px;
  display: flex;
  gap: 8px;
  z-index: 10;
}
.medusa-btn {
  background: rgba(9, 14, 26, 0.75);
  border: 1px solid var(--medusa-card-border);
  color: #cbd5e1;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.medusa-btn:hover, .medusa-btn.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--neon-cyan);
  color: #fff;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.medusa-btn-orange.active {
  background: rgba(255, 107, 0, 0.15);
  border-color: var(--neon-orange);
  color: #fff;
  box-shadow: 0 0 10px rgba(255, 107, 0, 0.4);
}

/* Left Tactical Status Overlay in Stage */
.medusa-stage-overlay-left {
  position: absolute;
  bottom: 14px;
  left: 18px;
  z-index: 10;
  pointer-events: none;
  font-family: var(--font-mono);
}
.medusa-cmd-prompt {
  background: rgba(4, 7, 14, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.25);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 11px;
  color: var(--neon-cyan);
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(8px);
}
.medusa-cmd-prompt span.prompt-arrow {
  color: var(--neon-orange);
  font-weight: bold;
}
.medusa-cmd-prompt span.prompt-text {
  color: #f1f5f9;
}

/* ══════════ 8-COLUMN TACTICAL HUD GRID (VIDEO 1 & 2) ══════════ */
.medusa-tactical-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 1px;
  background: rgba(0, 240, 255, 0.15);
  border-top: 1px solid rgba(0, 240, 255, 0.2);
}

@media (max-width: 1400px) {
  .medusa-tactical-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .medusa-tactical-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.medusa-card-deck {
  background: rgba(6, 11, 22, 0.95);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 125px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.medusa-card-deck::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  transition: background 0.3s;
}

.medusa-card-deck:hover {
  background: rgba(10, 18, 36, 0.98);
}
.medusa-card-deck:hover::before {
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-orange));
}

.card-deck-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: #64748b;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.card-deck-idx {
  color: var(--neon-cyan);
  font-weight: 700;
}
.card-deck-badge {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
}
.card-deck-badge.live {
  background: rgba(0, 230, 118, 0.15);
  color: var(--neon-lime);
  border: 1px solid rgba(0, 230, 118, 0.4);
}
.card-deck-badge.warn {
  background: rgba(255, 107, 0, 0.15);
  color: var(--neon-orange);
  border: 1px solid rgba(255, 107, 0, 0.4);
}

.card-deck-title {
  font-size: 13px;
  font-weight: 700;
  color: #f8fafc;
  margin-bottom: 4px;
}
.card-deck-sub {
  font-size: 11px;
  color: #94a3b8;
  font-family: var(--font-mono);
}

.card-deck-metric {
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--neon-cyan);
  margin-top: 8px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.card-deck-metric .unit {
  font-size: 10px;
  font-weight: normal;
  color: #64748b;
}

/* Pixel Status Matrix Component (From Video 1 & 2) */
.pixel-matrix-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 3px;
  margin-top: 8px;
}
.pixel-cell {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}
.pixel-cell.active-cyan {
  background: var(--neon-cyan);
  box-shadow: 0 0 6px var(--neon-cyan);
}
.pixel-cell.active-orange {
  background: var(--neon-orange);
  box-shadow: 0 0 6px var(--neon-orange);
}
.pixel-cell.active-purple {
  background: var(--neon-purple);
  box-shadow: 0 0 6px var(--neon-purple);
}
.pixel-cell.active-lime {
  background: var(--neon-lime);
  box-shadow: 0 0 6px var(--neon-lime);
}

/* Micro Sparkline Canvas */
.micro-sparkline-canvas {
  width: 100%;
  height: 28px;
  margin-top: 6px;
  display: block;
}

/* Audio Wave Visualizer Simulation HUD */
.audio-wave-visualizer {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 20px;
  margin-top: 6px;
}
.audio-bar {
  flex: 1;
  background: var(--neon-cyan);
  border-radius: 1px;
  min-height: 3px;
  animation: audioPulse 1.2s infinite ease-in-out alternate;
}
@keyframes audioPulse {
  0% { height: 3px; opacity: 0.3; }
  100% { height: 18px; opacity: 1; }
}

/* CRT Scanline & Phosphor Overlay */
.cyber-scanlines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.03),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 3px, 6px 100%;
  z-index: 2;
  opacity: 0.6;
}