/* ==========================================================================
   EXPONEXUS 360 — MAIN DESIGN SYSTEM & CORE STYLES
   Master Standards: Fluid typography, HSL color tokens, Glassmorphism, 60fps
   ========================================================================== */

:root {
  /* Color Palette Tokens (HSL) */
  --hue-primary: 185;     /* Cyan Cyberpunk */
  --hue-secondary: 320;   /* Neon Magenta */
  --hue-gold: 45;         /* Luxury Gold */
  --hue-green: 150;       /* Tech Emerald */
  
  --color-bg-deep: #060813;
  --color-bg-surface: rgba(13, 17, 34, 0.75);
  --color-bg-glass: rgba(20, 26, 52, 0.55);
  --color-border-glass: rgba(0, 240, 255, 0.22);
  --color-border-glow: rgba(0, 240, 255, 0.6);

  --color-cyan: #00f0ff;
  --color-cyan-glow: rgba(0, 240, 255, 0.4);
  --color-magenta: #ff0077;
  --color-magenta-glow: rgba(255, 0, 119, 0.4);
  --color-gold: #ffb700;
  --color-gold-glow: rgba(255, 183, 0, 0.4);
  --color-green: #00ff88;
  --color-purple: #9d00ff;

  --color-text-primary: #f0f4fc;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;

  /* Typography Families */
  --font-display: 'Syne', system-ui, -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Spacing & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  /* Shadows & Elevations */
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --shadow-neon-cyan: 0 0 20px rgba(0, 240, 255, 0.35);
  --shadow-neon-gold: 0 0 25px rgba(255, 183, 0, 0.45);

  /* Transitions */
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-smooth: cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-normal: 0.35s var(--ease-smooth);
}

/* Atmospheric Themes */
body.theme-cyberpunk {
  --color-bg-deep: #050711;
  --color-cyan: #00f0ff;
  --color-magenta: #ff0077;
  --color-border-glass: rgba(0, 240, 255, 0.25);
}

body.theme-festival {
  --color-bg-deep: #0d1326;
  --color-cyan: #ffaa00;
  --color-magenta: #00f0ff;
  --color-bg-surface: rgba(26, 35, 66, 0.8);
  --color-border-glass: rgba(255, 170, 0, 0.3);
}

body.theme-darkspace {
  --color-bg-deep: #020308;
  --color-cyan: #7c3aed;
  --color-magenta: #06b6d4;
  --color-border-glass: rgba(124, 58, 237, 0.25);
}

/* Universal Reset & Hardware Acceleration */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: var(--color-bg-deep);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  user-select: none;
  touch-action: pan-x pan-y;
}

/* Background Global Canvas */
.global-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

/* Viewport Layout */
.app-viewport {
  position: relative;
  width: 100vw;
  height: 100vh;
  z-index: 2;
  overflow: hidden;
}

/* View Sections (Diorama & Showcases) */
.view-section {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.98);
  transition: opacity 0.45s var(--ease-smooth), transform 0.45s var(--ease-smooth), visibility 0.45s;
  overflow: hidden;
  z-index: 5;
}

.view-section.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  z-index: 10;
}

/* Typography Utilities */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

.accent-text {
  color: var(--color-cyan);
  text-shadow: 0 0 15px var(--color-cyan-glow);
}

/* Micro-Pulse & Highlight Animations */
@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.08); opacity: 1; filter: brightness(1.2); }
}

@keyframes floatGentle {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes rotateOrbit {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-glass);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-cyan);
}