/* ========================================
   FLVR FOOD - Liquid Glass Design System
   Vision Pro Glassmorphism Effects
   ======================================== */

/* ========================================
   Core Glass Utilities
   ======================================== */

/* Base Glass Panel */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-base);
}

.glass-panel:hover {
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-lg);
}

/* Glass Card - Smaller, more compact */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-lg);
  background: var(--glass-bg-hover);
}

/* Glass Button */
.glass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--flvr-text-primary);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.glass-btn:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.glass-btn:active {
  transform: translateY(0);
}

.glass-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.glass-btn.primary {
  background: var(--flvr-accent);
  border-color: var(--flvr-accent);
  color: white;
  box-shadow: 0 4px 16px var(--flvr-accent-glow);
}

.glass-btn.primary:hover {
  background: var(--flvr-accent-light);
  border-color: var(--flvr-accent-light);
  box-shadow: 0 6px 24px var(--flvr-accent-glow);
}

.glass-btn.secondary {
  background: transparent;
  border-color: var(--flvr-text-tertiary);
}

.glass-btn.secondary:hover {
  border-color: var(--flvr-accent);
  color: var(--flvr-accent);
}

.glass-btn.icon-btn {
  padding: var(--space-3);
  border-radius: var(--radius-md);
}

/* Glass Badge */
.glass-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--flvr-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.glass-badge svg {
  width: 14px;
  height: 14px;
  color: var(--flvr-accent);
}

/* Glass Input */
.glass-input {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--flvr-text-primary);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.glass-input::placeholder {
  color: var(--flvr-text-muted);
}

.glass-input:focus {
  outline: none;
  border-color: var(--flvr-accent);
  background: var(--glass-bg-hover);
  box-shadow: 0 0 0 3px var(--flvr-accent-glow);
}

/* Glass Tag */
.glass-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--flvr-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.glass-tag:hover {
  background: var(--glass-bg-hover);
  border-color: var(--flvr-accent);
  color: var(--flvr-accent);
}

/* ========================================
   Enhanced Glass Effects
   ======================================== */

/* Liquid Glass - Premium effect with gradient overlay */
.liquid-glass {
  position: relative;
  background: linear-gradient(
    135deg,
    var(--glass-bg) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    var(--glass-bg) 100%
  );
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 
    var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

.liquid-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 50%
  );
  pointer-events: none;
}

/* Glass Shine Effect */
.glass-shine {
  position: relative;
  overflow: hidden;
}

.glass-shine::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.glass-shine:hover::after {
  transform: translateX(100%);
}

/* Floating Glass Element */
.floating-glass {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Glass Morphing Background */
.glass-morph {
  position: relative;
}

.glass-morph::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(
    circle at 30% 30%,
    var(--flvr-accent-glow) 0%,
    transparent 50%
  );
  filter: blur(60px);
  z-index: -1;
  opacity: 0.5;
  animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
  0%, 100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
  50% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }
}

/* ========================================
   Dark Mode Specific Enhancements
   ======================================== */

[data-theme="dark"] .glass-panel,
[data-theme="dark"] .glass-card,
[data-theme="dark"] .glass-btn:not(.primary) {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .glass-panel:hover,
[data-theme="dark"] .glass-card:hover,
[data-theme="dark"] .glass-btn:not(.primary):hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .liquid-glass {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.03) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    rgba(255, 255, 255, 0.03) 100%
  );
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ========================================
   Loading & Skeleton States
   ======================================== */

.glass-skeleton {
  background: linear-gradient(
    90deg,
    var(--glass-bg) 25%,
    var(--glass-bg-hover) 50%,
    var(--glass-bg) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-lg);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ========================================
   Glass Divider
   ======================================== */

.glass-divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--glass-border),
    transparent
  );
  margin: var(--space-6) 0;
}

/* ========================================
   Toast Notification (Glass)
   ======================================== */

.glass-toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow-lg);
  animation: slideIn 0.3s ease, fadeOut 0.3s ease 3s forwards;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* ========================================
   Modal / Sheet (Glass)
   ======================================== */

.glass-modal {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--glass-shadow-lg);
}

.glass-sheet {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.2);
}

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

@media (max-width: 768px) {
  .glass-panel,
  .glass-card {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  
  .liquid-glass {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
  
  .glass-btn {
    padding: var(--space-3) var(--space-4);
  }
}

/* ========================================
   Browser Support Fallbacks
   ======================================== */

@supports not (backdrop-filter: blur(20px)) {
  .glass-panel,
  .glass-card,
  .glass-btn:not(.primary) {
    background: var(--flvr-bg-secondary);
    opacity: 0.95;
  }
  
  [data-theme="dark"] .glass-panel,
  [data-theme="dark"] .glass-card,
  [data-theme="dark"] .glass-btn:not(.primary) {
    background: var(--flvr-bg-secondary);
  }
}