/* ============================================
   THEHUB - EVCS EFFECTS
   Glass morphism, Glow effects, Blur
   ============================================ */

/* ============================================
   GLASS MORPHISM CARDS
   ============================================ */
.card--glass {
  background: var(--color-bg-glass);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--color-border);
}

.card--glass-strong {
  background: var(--color-bg-glass-strong);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--color-border-strong);
}

/* ============================================
   GLOW EFFECTS
   ============================================ */

/* Accent glow - För interaktiva element */
.glow {
  position: relative;
  isolation: isolate;
}

.glow::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--color-accent-glow), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glow:hover::before {
  opacity: 1;
}

/* Permanent glow - För accent elements */
.glow--active {
  box-shadow: var(--shadow-glow);
}

.glow--strong {
  box-shadow: var(--shadow-glow-strong);
}

/* Animated glow pulse */
@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 20px var(--color-accent-glow);
  }
  50% {
    box-shadow: 0 0 40px var(--color-accent-glow-strong);
  }
}

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

/* ============================================
   BUTTON GLOW EFFECTS
   ============================================ */
.btn--glow {
  position: relative;
  overflow: hidden;
}

.btn--glow::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    var(--color-accent-glow) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.btn--glow:hover::after {
  opacity: 1;
}

/* Primary button with glow */
.btn--primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
  transition: all var(--transition-fast);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

/* ============================================
   GRADIENT OVERLAYS
   ============================================ */
.gradient-overlay {
  position: relative;
}

.gradient-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-fade-up);
  pointer-events: none;
}

.gradient-overlay--top::after {
  background: var(--gradient-fade-down);
}

/* ============================================
   BLUR BACKGROUNDS
   ============================================ */
.blur-bg {
  position: relative;
}

.blur-bg::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: radial-gradient(
    circle at center,
    var(--color-accent-glow) 0%,
    transparent 60%
  );
  filter: blur(var(--blur-lg));
  opacity: 0.3;
  pointer-events: none;
  z-index: -1;
}

/* ============================================
   CARD ENHANCEMENTS
   ============================================ */

/* Card med subtil hover glow */
.card--hover-glow {
  transition: all var(--transition-base);
}

.card--hover-glow:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* Card med accent border top */
.card--accent-top {
  border-top: 2px solid var(--color-accent);
}

/* Card med gradient border */
.card--gradient-border {
  position: relative;
  background: var(--color-bg-card);
  border: none;
}

.card--gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    var(--color-accent),
    var(--color-accent-glow),
    transparent
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ============================================
   INPUT/FORM GLOW EFFECTS
   ============================================ */
.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light), var(--shadow-glow);
}

/* ============================================
   BADGE GLOW
   ============================================ */
.badge--glow {
  background: var(--color-accent-light);
  color: var(--color-accent-text);
  border: 1px solid var(--color-accent);
  box-shadow: var(--shadow-glow);
}

/* ============================================
   TEXT GLOW
   ============================================ */
.text-glow {
  text-shadow: 0 0 20px var(--color-accent-glow);
}

.text-glow--strong {
  text-shadow: 0 0 30px var(--color-accent-glow-strong);
}

/* ============================================
   DIVIDER WITH GLOW
   ============================================ */
.divider--glow {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-accent) 50%,
    transparent 100%
  );
  box-shadow: 0 0 10px var(--color-accent-glow);
}

/* ============================================
   GLASS PANEL (För modals/overlays)
   ============================================ */
.glass-panel {
  background: var(--color-bg-glass-strong);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   STATS CARD WITH GLOW
   ============================================ */
.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-accent) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.stat-card:hover::before {
  opacity: 1;
}

/* ============================================
   FLOATING ELEMENTS
   ============================================ */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.float {
  animation: float 3s ease-in-out infinite;
}

/* ============================================
   SHIMMER EFFECT
   ============================================ */
@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.shimmer {
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-accent-glow) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

/* ============================================
   ACCENT DECORATIONS
   ============================================ */

/* Accent dot/indicator */
.accent-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.accent-dot--pulse {
  animation: glow-pulse 2s ease-in-out infinite;
}

/* Accent line */
.accent-line {
  height: 2px;
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

/* Reduce effects on mobile for performance */
@media (max-width: 768px) {
  .blur-bg::before {
    filter: blur(calc(var(--blur-lg) * 0.5));
  }
  
  .card--glass,
  .card--glass-strong,
  .glass-panel {
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
  }
  
  /* Disable animations for better performance */
  @media (prefers-reduced-motion: reduce) {
    .glow--pulse,
    .float,
    .shimmer {
      animation: none;
    }
  }
}

/* Disable effects if user prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  .glow--pulse,
  .float,
  .shimmer {
    animation: none;
  }
  
  .card--hover-glow:hover,
  .stat-card:hover {
    transform: none;
  }
}