/* ==========================================================================
   Dark-Mode Glassmorphism & Motion Styling Standards
   ========================================================================== */

:root {
  --glass-bg-subtle: rgba(255, 255, 255, 0.03);
  --glass-bg-medium: rgba(255, 255, 255, 0.06);
  --glass-bg-heavy: rgba(255, 255, 255, 0.10);
  --glass-border-subtle: rgba(255, 255, 255, 0.08);
  --glass-border-medium: rgba(255, 255, 255, 0.14);
  --glass-border-highlight: rgba(255, 255, 255, 0.25);
  --glass-blur-sm: 8px;
  --glass-blur-md: 16px;
  --glass-blur-lg: 24px;
}

/* Glassmorphic Panel Utilities */
.glass-panel {
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-subtle);
  backdrop-filter: blur(var(--glass-blur-md));
  -webkit-backdrop-filter: blur(var(--glass-blur-md));
  border-radius: var(--radius-md, 8px);
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.glass-panel:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-medium);
}

.glass-card-interactive {
  position: relative;
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-subtle);
  backdrop-filter: blur(var(--glass-blur-md));
  -webkit-backdrop-filter: blur(var(--glass-blur-md));
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.3s ease, 
              box-shadow 0.35s ease;
}

.glass-card-interactive:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-highlight);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 255, 255, 0.05);
}

/* Magnetic Button Utility */
.btn-magnetic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: var(--radius-full, 9999px);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

/* Lucide Icon Smooth Micro-Transitions */
.lucide-icon,
svg.lucide {
  display: inline-block;
  vertical-align: middle;
  stroke-width: 1.5;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), stroke 0.2s ease;
}

.hover-icon-shift:hover svg.lucide {
  transform: translate(2px, -2px);
}