/* ============================================
   GLASS MODE UTILITIES
   Glassmorphism components for public/marketing pages
   ============================================ */

/* ==========================================
   GLASS CARD
   ========================================== */

.glass-card {
  background: var(--glass-bg-card);
  backdrop-filter: var(--glass-blur-md);
  -webkit-backdrop-filter: var(--glass-blur-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow-md);
  padding: var(--space-6);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-lg);
  border-color: var(--glass-border-strong);
}

/* Inner shadow for depth */
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  pointer-events: none;
  z-index: 1;
}

.glass-card-sm {
  padding: var(--space-4);
  border-radius: var(--radius-card);
}

.glass-card-lg {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
}

/* ==========================================
   GLASS BUTTONS
   ========================================== */

.btn-glass-primary {
  background: var(--glass-gradient-primary);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-control);
  color: white;
  padding: var(--space-3) var(--space-6);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-base);
  box-shadow: var(--glass-shadow-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-glass-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow-lg);
  filter: brightness(1.1);
}

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

.btn-glass-secondary {
  background: var(--glass-gradient-secondary);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-control);
  color: white;
  padding: var(--space-3) var(--space-6);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-base);
  box-shadow: var(--glass-shadow-sm);
  cursor: pointer;
}

.btn-glass-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow-lg);
  filter: brightness(1.1);
}

.btn-glass-ghost {
  background: var(--glass-bg-surface);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-control);
  color: var(--color-text-primary);
  padding: var(--space-3) var(--space-6);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-glass-ghost:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-strong);
}

.btn-glass-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-glass-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

/* ==========================================
   GLASS INPUTS
   ========================================== */

.glass-input {
  background: var(--glass-bg-surface);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-control);
  color: var(--color-text-primary);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  width: 100%;
}

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

.glass-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: var(--glass-bg-hover);
}

.glass-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.glass-textarea {
  background: var(--glass-bg-surface);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-control);
  color: var(--color-text-primary);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  width: 100%;
  min-height: 120px;
  resize: vertical;
}

.glass-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: var(--glass-bg-hover);
}

/* ==========================================
   GLASS NAVIGATION
   ========================================== */

.glass-nav {
  background: var(--glass-bg-surface);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.glass-nav-link {
  color: var(--color-text-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-control);
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.glass-nav-link:hover {
  background: var(--glass-bg-hover);
  color: white;
}

.glass-nav-link.active {
  background: var(--glass-bg-active);
  color: var(--color-accent);
}

/* ==========================================
   GLASS BADGES & TAGS
   ========================================== */

.glass-badge {
  background: var(--glass-bg-surface);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.glass-badge-success {
  background: var(--color-success-subtle);
  color: var(--color-success);
  border-color: var(--color-success);
}

.glass-badge-warning {
  background: var(--color-warning-subtle);
  color: var(--color-warning);
  border-color: var(--color-warning);
}

.glass-badge-danger {
  background: var(--color-danger-subtle);
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.glass-badge-info {
  background: var(--color-info-subtle);
  color: var(--color-info);
  border-color: var(--color-info);
}

/* ==========================================
   GLASS AVATAR
   ========================================== */

.glass-avatar {
  background: var(--glass-bg-surface);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.glass-avatar:hover {
  border-color: var(--color-accent);
  box-shadow: var(--glass-shadow-md);
}

.glass-avatar-sm {
  width: var(--space-8);
  height: var(--space-8);
}

.glass-avatar-md {
  width: var(--space-10);
  height: var(--space-10);
}

.glass-avatar-lg {
  width: var(--space-12);
  height: var(--space-12);
}

.glass-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================
   GLASS PROGRESS BAR
   ========================================== */

.glass-progress-bar {
  background: var(--glass-bg-surface);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  height: var(--space-2);
  overflow: hidden;
  position: relative;
}

.glass-progress-fill {
  height: 100%;
  background: var(--glass-gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
}

.glass-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ==========================================
   GLASS TOOLTIP
   ========================================== */

.glass-tooltip {
  background: var(--glass-bg-card);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-control);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  box-shadow: var(--glass-shadow-md);
  position: absolute;
  z-index: var(--z-tooltip);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.glass-tooltip.visible {
  opacity: 1;
}

/* ==========================================
   GRADIENT TEXT
   ========================================== */

.gradient-text {
  background: var(--glass-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.gradient-text-secondary {
  background: var(--glass-gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* ==========================================
   GLASS MODAL
   ========================================== */

.glass-modal {
  background: var(--glass-bg-card);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow-xl);
  padding: var(--space-8);
  max-width: 600px;
  width: 90%;
  position: relative;
  z-index: var(--z-modal);
}

.glass-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ==========================================
   GLASS DROPDOWN
   ========================================== */

.glass-dropdown {
  background: var(--glass-bg-card);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--glass-shadow-lg);
  padding: var(--space-2);
  min-width: 200px;
  position: absolute;
  z-index: var(--z-dropdown);
  animation: slideDown var(--transition-base);
}

.glass-dropdown-item {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-control);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-primary);
}

.glass-dropdown-item:hover {
  background: var(--glass-bg-hover);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   GLASS TOGGLE SWITCH
   ========================================== */

.glass-toggle {
  position: relative;
  width: 48px;
  height: 24px;
  background: var(--glass-bg-surface);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.glass-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.glass-toggle.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.glass-toggle.active::after {
  left: calc(100% - 20px);
  background: white;
}

/* ==========================================
   GLASS SLIDER
   ========================================== */

.glass-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: var(--space-2);
  background: var(--glass-bg-surface);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.glass-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: var(--space-4);
  height: var(--space-4);
  background: var(--glass-gradient-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--glass-shadow-sm);
  transition: all var(--transition-fast);
}

.glass-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--glass-shadow-md);
}

.glass-slider::-moz-range-thumb {
  width: var(--space-4);
  height: var(--space-4);
  background: var(--glass-gradient-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: var(--glass-shadow-sm);
  transition: all var(--transition-fast);
}

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

@media (max-width: 768px) {
  .glass-card {
    padding: var(--space-4);
  }

  .glass-nav {
    backdrop-filter: var(--glass-blur-md);
    -webkit-backdrop-filter: var(--glass-blur-md);
  }
}

/* ==========================================
   REDUCED MOTION
   ========================================== */

@media (prefers-reduced-motion: reduce) {
  .glass-card,
  .btn-glass-primary,
  .btn-glass-secondary,
  .glass-nav-link,
  .glass-avatar,
  .glass-progress-fill,
  .glass-modal-backdrop,
  .glass-dropdown,
  .glass-toggle::after,
  .glass-slider::-webkit-slider-thumb,
  .glass-slider::-moz-range-thumb {
    transition: none;
    animation: none;
  }

  .glass-card:hover {
    transform: none;
  }

  .btn-glass-primary:hover,
  .btn-glass-secondary:hover {
    transform: none;
  }
}