/* VitalityHub Global Styles and Branding */

:root {
  /* Primary Brand Colors */
  --vitality-blue: #2563eb;
  --vitality-green: #059669;
  --vitality-cyan: #0891b2;
  --vitality-purple: #7c3aed;
  
  /* Gradient Combinations */
  --vitality-gradient: linear-gradient(135deg, #2563eb 0%, #059669 50%, #0891b2 100%);
  --vitality-gradient-vertical: linear-gradient(180deg, #2563eb 0%, #059669 50%, #0891b2 100%);
  
  /* Neutral Colors */
  --vitality-gray-50: #f9fafb;
  --vitality-gray-100: #f3f4f6;
  --vitality-gray-200: #e5e7eb;
  --vitality-gray-300: #d1d5db;
  --vitality-gray-400: #9ca3af;
  --vitality-gray-500: #6b7280;
  --vitality-gray-600: #4b5563;
  --vitality-gray-700: #374151;
  --vitality-gray-800: #1f2937;
  --vitality-gray-900: #111827;
  
  /* Semantic Colors */
  --vitality-success: #10b981;
  --vitality-warning: #f59e0b;
  --vitality-error: #ef4444;
  --vitality-info: #3b82f6;
  
  /* Spacing Scale */
  --vitality-space-xs: 0.25rem;
  --vitality-space-sm: 0.5rem;
  --vitality-space-md: 1rem;
  --vitality-space-lg: 1.5rem;
  --vitality-space-xl: 2rem;
  --vitality-space-2xl: 3rem;
  
  /* Typography */
  --vitality-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --vitality-font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', monospace;
  
  /* Border Radius */
  --vitality-radius-sm: 0.25rem;
  --vitality-radius-md: 0.375rem;
  --vitality-radius-lg: 0.5rem;
  --vitality-radius-xl: 0.75rem;
  --vitality-radius-2xl: 1rem;
  
  /* Shadows */
  --vitality-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --vitality-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --vitality-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --vitality-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  font-family: var(--vitality-font-family);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--vitality-gray-50);
  color: var(--vitality-gray-900);
}

/* Loading Animation Improvements */
.vitality-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--vitality-gradient);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  font-family: var(--vitality-font-family);
}

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

.vitality-spin {
  animation: vitality-spin 1s linear infinite;
}

@keyframes vitality-pulse {
  0%, 100% { 
    transform: scale(1); 
    opacity: 1; 
  }
  50% { 
    transform: scale(1.05); 
    opacity: 0.8; 
  }
}

@keyframes vitality-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Utility Classes */
.vitality-gradient-bg {
  background: var(--vitality-gradient);
}

.vitality-gradient-text {
  background: var(--vitality-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.vitality-shadow {
  box-shadow: var(--vitality-shadow-md);
}

.vitality-shadow-lg {
  box-shadow: var(--vitality-shadow-lg);
}

.vitality-rounded {
  border-radius: var(--vitality-radius-md);
}

.vitality-rounded-lg {
  border-radius: var(--vitality-radius-lg);
}

/* Button Styles */
.vitality-btn {
  font-family: var(--vitality-font-family);
  font-weight: 500;
  border-radius: var(--vitality-radius-md);
  padding: var(--vitality-space-sm) var(--vitality-space-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--vitality-space-xs);
}

.vitality-btn-primary {
  background: var(--vitality-gradient);
  color: white;
  box-shadow: var(--vitality-shadow-sm);
}

.vitality-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--vitality-shadow-md);
}

.vitality-btn-secondary {
  background: var(--vitality-gray-100);
  color: var(--vitality-gray-700);
  border: 1px solid var(--vitality-gray-300);
}

.vitality-btn-secondary:hover {
  background: var(--vitality-gray-200);
  border-color: var(--vitality-gray-400);
}

/* Card Styles */
.vitality-card {
  background: white;
  border-radius: var(--vitality-radius-lg);
  box-shadow: var(--vitality-shadow-sm);
  border: 1px solid var(--vitality-gray-200);
  padding: var(--vitality-space-lg);
  transition: all 0.2s ease-in-out;
}

.vitality-card:hover {
  box-shadow: var(--vitality-shadow-md);
  transform: translateY(-1px);
}

/* Typography */
.vitality-heading {
  font-weight: 600;
  color: var(--vitality-gray-900);
  line-height: 1.2;
}

.vitality-heading-lg {
  font-size: 2rem;
  margin-bottom: var(--vitality-space-lg);
}

.vitality-heading-md {
  font-size: 1.5rem;
  margin-bottom: var(--vitality-space-md);
}

.vitality-heading-sm {
  font-size: 1.25rem;
  margin-bottom: var(--vitality-space-sm);
}

.vitality-text {
  color: var(--vitality-gray-600);
  line-height: 1.6;
}

.vitality-text-sm {
  font-size: 0.875rem;
}

/* Form Styles */
.vitality-input {
  font-family: var(--vitality-font-family);
  padding: var(--vitality-space-sm) var(--vitality-space-md);
  border: 1px solid var(--vitality-gray-300);
  border-radius: var(--vitality-radius-md);
  background: white;
  color: var(--vitality-gray-900);
  transition: all 0.2s ease-in-out;
  width: 100%;
}

.vitality-input:focus {
  outline: none;
  border-color: var(--vitality-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.vitality-label {
  font-weight: 500;
  color: var(--vitality-gray-700);
  margin-bottom: var(--vitality-space-xs);
  display: block;
}

/* Status Indicators */
.vitality-status {
  font-size: 0.75rem;
  font-weight: 500;
  padding: var(--vitality-space-xs) var(--vitality-space-sm);
  border-radius: var(--vitality-radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vitality-status-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--vitality-success);
}

.vitality-status-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--vitality-warning);
}

.vitality-status-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--vitality-error);
}

.vitality-status-info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--vitality-info);
}

/* Responsive Design */
@media (max-width: 768px) {
  .vitality-card {
    padding: var(--vitality-space-md);
  }
  
  .vitality-heading-lg {
    font-size: 1.75rem;
  }
  
  .vitality-heading-md {
    font-size: 1.25rem;
  }
}

/* Print Styles */
@media print {
  .vitality-loading,
  .vitality-btn,
  .vitality-shadow,
  .vitality-shadow-lg {
    display: none !important;
    box-shadow: none !important;
  }
  
  .vitality-card {
    border: 1px solid var(--vitality-gray-300);
    box-shadow: none;
  }
}