/**
 * Spectacular UI Design System
 * Healthcare-focused advanced UI components and design tokens
 * Part of VeriSight Analytics Design System
 */

/* ===========================
   Design Tokens
   =========================== */
:root {
  /* Healthcare Color Palette */
  --ui-primary: #6366f1;
  --ui-primary-light: #818cf8;
  --ui-primary-dark: #4f46e5;
  --ui-secondary: #06b6d4;
  --ui-accent: #f59e0b;
  --ui-success: #10b981;
  --ui-warning: #f59e0b;
  --ui-danger: #ef4444;
  --ui-info: #3b82f6;

  /* Healthcare Specific Colors */
  --healthcare-blue: #0ea5e9;
  --healthcare-green: #22c55e;
  --healthcare-purple: #8b5cf6;
  --healthcare-teal: #14b8a6;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.4);

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-slower: 500ms ease;

  /* Z-Index Scale */
  --z-below: -1;
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-notification: 1080;
  --z-top: 9999;
}

/* ===========================
   Glass Morphism Components
   =========================== */
.glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  transition: all var(--transition-base);
}

.glass-button {
  background: rgba(99, 102, 241, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--ui-primary-light);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.glass-button:hover::before {
  left: 100%;
}

.glass-button:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

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

.liquid-blob {
  animation: liquid-morph 8s ease-in-out infinite;
  background: linear-gradient(45deg, var(--ui-primary), var(--ui-secondary));
  filter: blur(40px);
  opacity: 0.7;
}

.liquid-gradient {
  background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradient-flow 15s ease infinite;
}

@keyframes gradient-flow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ===========================
   Healthcare Card Components
   =========================== */
.healthcare-card {
  background: linear-gradient(135deg, var(--dark-light) 0%, rgba(30, 41, 59, 0.6) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.healthcare-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--healthcare-blue) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.healthcare-card:hover::before {
  opacity: 0.1;
}

.healthcare-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--healthcare-blue);
}

/* ===========================
   Pulse & Glow Effects
   =========================== */
.pulse-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ui-success);
  position: relative;
}

.pulse-dot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: inherit;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

.glow-text {
  text-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
  animation: text-glow 2s ease-in-out infinite alternate;
}

@keyframes text-glow {
  from {
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
  }
  to {
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.8),
                 0 0 30px rgba(99, 102, 241, 0.6);
  }
}

/* ===========================
   Advanced Button Styles
   =========================== */
.btn-gradient {
  background: linear-gradient(135deg, var(--ui-primary) 0%, var(--ui-secondary) 100%);
  color: white;
  border: none;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--ui-secondary) 0%, var(--ui-primary) 100%);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-gradient:hover::before {
  opacity: 1;
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

/* ===========================
   Healthcare Badges
   =========================== */
.healthcare-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.healthcare-badge.hipaa {
  background: rgba(16, 185, 129, 0.1);
  color: var(--ui-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.healthcare-badge.ai {
  background: rgba(139, 92, 246, 0.1);
  color: var(--healthcare-purple);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.healthcare-badge.secure {
  background: rgba(14, 165, 233, 0.1);
  color: var(--healthcare-blue);
  border: 1px solid rgba(14, 165, 233, 0.2);
}

/* ===========================
   Loading Animations
   =========================== */
.skeleton-loader {
  background: linear-gradient(90deg,
    rgba(255, 255, 255, 0.05) 25%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

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

.spinner-healthcare {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(99, 102, 241, 0.1);
  border-top-color: var(--ui-primary);
  border-radius: 50%;
  animation: spinner-rotate 1s linear infinite;
}

@keyframes spinner-rotate {
  to { transform: rotate(360deg); }
}

/* ===========================
   Tooltips
   =========================== */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-sm) var(--space-md);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
}

.tooltip:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-8px);
}

/* ===========================
   Progress Bars
   =========================== */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ui-primary), var(--ui-secondary));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
  overflow: hidden;
}

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

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

/* ===========================
   Accessibility Enhancements
   =========================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.focus-visible {
  outline: 2px solid var(--ui-primary);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}