/* Cinematic Foundation Styles */
/* CSS custom properties and base classes for cinematic system integration */

:root {
    /* Existing HUD variables are preserved in hud-layout.css */
    
    /* Cinematic Foundation Variables */
    --cinematic-transition-duration: 2s;
    --cinematic-transition-fast: 0.8s;
    --cinematic-transition-slow: 3s;
    --cinematic-ease-curve: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --cinematic-ease-in: cubic-bezier(0.55, 0.055, 0.675, 0.19);
    --cinematic-ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
    
    /* Data Flow Visualization Colors */
    --data-flow-color: #00ff88;
    --data-flow-secondary: #4a90e2;
    --transaction-flow-color: #ffaa00;
    --block-flow-color: #f7931a;
    --network-flow-color: #66aaff;
    
    /* Story-Driven Highlighting */
    --story-highlight-color: #f7931a;
    --story-highlight-secondary: #ff6b35;
    --educational-highlight: #00ff88;
    --narrative-accent: #ff6b6b;
    
    /* Adaptive Narrative Overlays */
    --narrative-overlay-bg: rgba(0, 20, 40, 0.95);
    --narrative-overlay-border: rgba(0, 255, 136, 0.3);
    --context-overlay-bg: rgba(0, 0, 0, 0.8);
    --adaptive-overlay-blur: blur(15px);
    
    /* Camera Movement Variables */
    --camera-smooth-factor: 0.1;
    --camera-focus-distance: 20;
    --camera-orbit-speed: 0.5;
    --camera-zoom-speed: 2.0;
    
    /* Educational Moment Detection */
    --educational-pulse-color: rgba(247, 147, 26, 0.4);
    --educational-glow-size: 20px;
    --opportunity-highlight-duration: 3s;
    
    /* Performance Optimization */
    --lod-transition-distance: 50;
    --particle-density-high: 1000;
    --particle-density-medium: 500;
    --particle-density-low: 250;
}

/* Cinematic Container Base Classes */
.cinematic-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* Data Flow Visualization Foundation */
.data-flow-element {
    transition: all var(--cinematic-transition-duration) var(--cinematic-ease-curve);
    transform-origin: center;
}

.data-flow-particle {
    position: absolute;
    pointer-events: none;
    border-radius: 50%;
    opacity: 0.8;
    transition: opacity var(--cinematic-transition-fast) ease;
}

.transaction-particle {
    background: radial-gradient(circle, var(--transaction-flow-color), transparent);
    box-shadow: 0 0 10px var(--transaction-flow-color);
}

.block-particle {
    background: radial-gradient(circle, var(--block-flow-color), transparent);
    box-shadow: 0 0 15px var(--block-flow-color);
}

.network-particle {
    background: radial-gradient(circle, var(--network-flow-color), transparent);
    box-shadow: 0 0 8px var(--network-flow-color);
}

/* Story-Driven Interaction States */
.story-focus {
    filter: brightness(1.3) saturate(1.2);
    transform: scale(1.05);
    transition: all var(--cinematic-transition-fast) var(--cinematic-ease-out);
    z-index: 100;
}

.story-highlight {
    box-shadow: 0 0 var(--educational-glow-size) var(--story-highlight-color);
    border: 2px solid var(--story-highlight-color);
    animation: storyPulse var(--opportunity-highlight-duration) ease-in-out infinite;
}

.educational-opportunity {
    position: relative;
    overflow: visible;
}

.educational-opportunity::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--educational-highlight);
    border-radius: 50%;
    animation: educationalPulse 2s ease-in-out infinite;
    pointer-events: none;
}

/* Adaptive Narrative Overlay Foundation */
.narrative-overlay {
    position: fixed;
    background: var(--narrative-overlay-bg);
    border: 1px solid var(--narrative-overlay-border);
    backdrop-filter: var(--adaptive-overlay-blur);
    border-radius: var(--hud-border-radius);
    color: var(--hud-text-primary);
    padding: var(--hud-spacing-md);
    z-index: 2000;
    transform: translateY(-20px);
    opacity: 0;
    transition: all var(--cinematic-transition-fast) var(--cinematic-ease-out);
}

.narrative-overlay.visible {
    transform: translateY(0);
    opacity: 1;
}

.context-overlay {
    position: absolute;
    background: var(--context-overlay-bg);
    backdrop-filter: var(--hud-backdrop-blur);
    border: 1px solid var(--hud-border-secondary);
    border-radius: var(--hud-border-radius);
    padding: var(--hud-spacing-sm);
    font-size: 12px;
    max-width: 250px;
    pointer-events: none;
    z-index: 1500;
}

/* Camera Movement Preparation Classes */
.camera-target {
    position: relative;
}

.camera-focus-point {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--story-highlight-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
    transition: opacity var(--cinematic-transition-fast) ease;
}

.camera-focus-point.active {
    opacity: 1;
    animation: focusPointPulse 1s ease-in-out infinite;
}

/* Learning Analytics Integration Hooks */
.analytics-tracked {
    position: relative;
}

.analytics-tracked::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.analytics-tracked.engagement-high::after {
    background: linear-gradient(45deg, 
        transparent, 
        rgba(0, 255, 136, 0.1), 
        transparent);
    opacity: 1;
}

/* Cinematic Animation Keyframes */
@keyframes storyPulse {
    0%, 100% {
        box-shadow: 0 0 var(--educational-glow-size) var(--story-highlight-color);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 calc(var(--educational-glow-size) * 1.5) var(--story-highlight-color);
        transform: scale(1.02);
    }
}

@keyframes educationalPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

@keyframes focusPointPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.5);
        opacity: 1;
    }
}

@keyframes dataFlowMovement {
    0% {
        transform: translateX(-100px) scale(0.5);
        opacity: 0;
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        transform: translateX(100px) scale(0.5);
        opacity: 0;
    }
}

/* Performance-Optimized Transitions */
.gpu-accelerated {
    transform: translateZ(0);
    will-change: transform, opacity;
}

.reduce-motion .cinematic-container,
.reduce-motion .data-flow-element,
.reduce-motion .story-focus {
    transition: none !important;
    animation: none !important;
}

/* Media Queries for Cinematic System */
@media (max-width: 768px) {
    :root {
        --cinematic-transition-duration: 1.5s;
        --educational-glow-size: 15px;
        --particle-density-high: 300;
        --particle-density-medium: 150;
        --particle-density-low: 75;
    }
    
    .narrative-overlay {
        left: var(--hud-spacing-sm);
        right: var(--hud-spacing-sm);
        width: auto;
    }
    
    .context-overlay {
        max-width: 200px;
        font-size: 11px;
    }
}

/* Accessibility and Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    :root {
        --cinematic-transition-duration: 0.3s;
        --cinematic-transition-fast: 0.2s;
        --cinematic-transition-slow: 0.5s;
    }
    
    .story-highlight,
    .educational-opportunity::before,
    .camera-focus-point.active {
        animation: none;
    }
    
    .data-flow-particle {
        animation: none;
        opacity: 0.6;
    }
}