/**
 * Vitra CSS Interactive Demo - Demo-specific Styles
 * Uses the Vitra framework tokens and components
 */

/* ============================================
   Demo Page Styles
   ============================================ */

/* Hero section enhancements */
.demo-hero {
  position: relative;
  overflow: hidden;
}

body {
  background-color: var(--vitra-color-bg);
  background-image: 
    radial-gradient(at 0% 0%, hsla(var(--vitra-color-accent-h), 100%, 70%, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 0%, hsla(var(--vitra-color-info-h, 200), 100%, 70%, 0.1) 0px, transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
  position: relative;
}

.demo-hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150%;
  height: 150%;
  background: radial-gradient(
    circle at center,
    hsla(var(--vitra-color-accent-h), 100%, 70%, 0.1) 0%,
    transparent 50%
  );
  pointer-events: none;
  z-index: -1;
}

/* Section spacing and styling */
.demo-section {
  position: relative;
  padding: var(--vitra-space-12) 0;
  border-bottom: 1px solid hsla(var(--vitra-color-accent-h), 100%, 70%, 0.05);
}

/* Component showcase cards */
.component-showcase {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.component-showcase:hover {
  transform: translateY(-2px);
  box-shadow: var(--vitra-shadow-medium, 0 4px 12px rgba(0, 0, 0, 0.1));
}

/* ============================================
   Navigation Improvements
   ============================================ */
.vitra-navbar {
  width: 100%;
  border-bottom: 1px solid hsla(0, 0%, 100%, 0.1);
  background: hsla(240, 15%, 8%, 0.7);
  backdrop-filter: blur(var(--vitra-blur-lg));
  -webkit-backdrop-filter: blur(var(--vitra-blur-lg));
}

.vitra-navbar-link {
  font-weight: var(--vitra-font-weight-medium);
  letter-spacing: 0.02em;
  opacity: 0.7;
}

.vitra-navbar-link:hover {
  opacity: 1;
  color: var(--vitra-color-accent);
}

/* ============================================
   Footer Overhaul
   ============================================ */
.demo-footer {
  margin-top: var(--vitra-space-12);
  padding: var(--vitra-space-12) 0 var(--vitra-space-6);
  background: hsla(var(--vitra-color-accent-h), 20%, 4%, 0.5);
  backdrop-filter: blur(var(--vitra-blur-lg));
  border-top: 1px solid hsla(0, 0%, 100%, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--vitra-space-8);
  margin-bottom: var(--vitra-space-8);
}

.footer-brand {
  font-size: var(--vitra-font-size-xl);
  font-weight: var(--vitra-font-weight-bold);
  margin-bottom: var(--vitra-space-4);
}

.footer-links h4 {
  margin-bottom: var(--vitra-space-4);
  color: var(--vitra-color-accent);
  font-size: var(--vitra-font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--vitra-space-2);
}

.footer-links a {
  opacity: 0.6;
  font-size: var(--vitra-font-size-sm);
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--vitra-space-6);
  border-top: 1px solid hsla(0, 0%, 100%, 0.05);
  font-size: var(--vitra-font-size-xs);
  opacity: 0.4;
}

.theme-swatches {
  display: flex;
  gap: var(--vitra-space-2, 0.5rem);
  flex-wrap: wrap;
  margin-top: var(--vitra-space-2, 0.5rem);
}

.theme-swatch {
  width: 40px;
  height: 40px;
  border-radius: var(--vitra-radius-sm, 4px);
  border: 2px solid var(--vitra-color-border, rgba(0, 0, 0, 0.12));
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.theme-swatch:hover {
  transform: scale(1.1);
  box-shadow: var(--vitra-shadow-medium, 0 4px 12px rgba(0, 0, 0, 0.1));
}

.theme-swatch.active {
  border-color: var(--vitra-color-accent, #6c63ff);
  box-shadow: 0 0 0 2px var(--vitra-color-accent, #6c63ff);
}

.theme-swatch.active::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-weight: bold;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* ============================================
   Particle Demo Area
   ============================================ */

#particle-demo-area {
  position: relative;
  min-height: 300px;
  border: 2px dashed var(--vitra-color-border, rgba(0, 0, 0, 0.12));
  border-radius: var(--vitra-radius-lg, 8px);
  padding: var(--vitra-space-4, 1rem);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

#particle-demo-area:hover {
  border-color: var(--vitra-color-accent, #6c63ff);
}

#particle-demo-area p {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 1;
}

/* ============================================
   Controls Styling
   ============================================ */

.demo-controls {
  background: var(--vitra-color-surface, rgba(0, 0, 0, 0.05));
  border: 1px solid var(--vitra-color-border, rgba(0, 0, 0, 0.12));
  border-radius: var(--vitra-radius-lg, 8px);
  padding: var(--vitra-space-4, 1rem);
  margin: var(--vitra-space-4, 1rem) 0;
}

.demo-control-group {
  margin-bottom: var(--vitra-space-4, 1rem);
}

.demo-control-group:last-of-type {
  margin-bottom: var(--vitra-space-4, 1rem);
}

.demo-label {
  display: block;
  font-family: var(--vitra-font-heading);
  font-weight: 600;
  margin-bottom: var(--vitra-space-2, 0.5rem);
  color: var(--vitra-color-text-primary, #000);
  font-size: var(--vitra-font-size-xs, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Range input enhancements */
.vitra-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--vitra-color-surface-hover, rgba(0, 0, 0, 0.1));
  outline: none;
}

.vitra-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--vitra-color-accent, #6c63ff);
  cursor: pointer;
  border: 2px solid var(--vitra-color-bg, #fff);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}

.vitra-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.vitra-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--vitra-color-accent, #6c63ff);
  cursor: pointer;
  border: 2px solid var(--vitra-color-bg, #fff);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Color input styling */
.vitra-color-input {
  -webkit-appearance: none;
  appearance: none;
  border: 2px solid var(--vitra-color-border, rgba(0, 0, 0, 0.12));
  border-radius: var(--vitra-radius-sm, 4px);
  cursor: pointer;
  padding: 0;
  overflow: hidden;
}

.vitra-color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.vitra-color-input::-webkit-color-swatch {
  border: none;
}

/* ============================================
   Motion Demo Items
   ============================================ */

.motion-demo-item {
  padding: var(--vitra-space-6, 1.5rem);
  margin: var(--vitra-space-4, 1rem) 0;
  background: var(--vitra-color-surface, rgba(0, 0, 0, 0.05));
  border-radius: var(--vitra-radius-md, 4px);
  border: 1px solid var(--vitra-color-border, rgba(0, 0, 0, 0.12));
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.motion-demo-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--vitra-shadow-elevated, 0 8px 32px rgba(0, 0, 0, 0.12));
}

/* ============================================
   Grid Layouts
   ============================================ */

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--vitra-space-4, 1rem);
  margin: var(--vitra-space-6, 1.5rem) 0;
}

/* ============================================
   Code Blocks
   ============================================ */

pre {
  background: var(--vitra-color-surface, rgba(0, 0, 0, 0.05));
  border: 1px solid var(--vitra-color-border, rgba(0, 0, 0, 0.12));
  border-radius: var(--vitra-radius-md, 4px);
  padding: var(--vitra-space-4, 1rem);
  overflow-x: auto;
  font-size: var(--vitra-font-size-sm, 0.875rem);
  line-height: 1.6;
}

pre code {
  color: var(--vitra-color-text-primary, #000);
  font-family: 'Courier New', Courier, monospace;
}



/* ============================================
   Responsive Adjustments
   ============================================ */

@media (max-width: 768px) {
  .demo-hero {
    min-height: 50vh;
    padding: var(--vitra-space-4, 1rem);
  }

  .demo-hero h1 {
    font-size: var(--vitra-font-size-2xl, 1.5rem);
  }

  .demo-section {
    padding: var(--vitra-space-4, 1rem) var(--vitra-space-2, 0.5rem);
    margin: var(--vitra-space-4, 1rem) auto;
  }

  .demo-grid {
    grid-template-columns: 1fr;
  }

  .theme-swatch {
    width: 32px;
    height: 32px;
  }

  #particle-demo-area {
    min-height: 200px;
  }

  .vitra-navbar-links {
    display: none; /* Use mobile drawer on small screens */
  }
}

@media (prefers-reduced-motion: reduce) {
  .motion-demo-item,
  .component-showcase,
  .theme-swatch,
  .vitra-range::-webkit-slider-thumb {
    transition: none !important;
    animation: none !important;
  }

  .demo-hero::before {
    animation: none !important;
  }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .demo-hero::before {
    display: none;
  }

  .demo-controls {
    display: none;
  }

  #particle-demo-area {
    display: none;
  }

  .vitra-navbar {
    position: relative;
  }
}