/* Main Styles - B Squared Changelog System */

:root {
  /* B Squared Brand Colors */
  --primary-blue: #3eb6eb;
  --secondary-blue: #0063a7;
  --light-blue: #dbeafe;
  --dark-blue: #2B5797;
  
  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Status Colors */
  --success: #00cdad;
  --warning: #f59e0b;
  --error: #cd643a;
  
  /* Issue Type Colors */
  --new-feature: #00cdad;
  --bug-fix: #cd643a;
  --improvement: #3eb6eb;
  
  /* Product-Specific Colors */
  --connecting-steps: #2B5797;
  --my-b-squared: #3eb6eb;
  --evisense: #cd643a;
  --b-squared-analytics: #0063a7;
  
  /* Typography - B Squared Brand Fonts */
  --font-family-body: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: 'Darker Grotesque', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--gray-50);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-6);
  }
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
  color: var(--white);
  padding: var(--spacing-4) 0;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
}

.logo-image {
  height: 40px;
  width: auto;
}

.logo .subtitle {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  text-align: center;
}

.nav {
  display: flex;
  gap: var(--spacing-6);
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.nav-link:hover {
  opacity: 0.8;
}

/* Main Content */
.main {
  min-height: calc(100vh - 200px);
}

/* Section Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.2;
}

h2, h3 {
  margin-bottom: var(--spacing-6);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-6);
  border: 1px solid var(--gray-200);
  transition: all 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gray-300);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge.new-feature {
  background-color: #ecfdf5;
  color: var(--new-feature);
  border: 1px solid #a7f3d0;
}

.badge.bug-fix {
  background-color: #fef2f2;
  color: var(--bug-fix);
  border: 1px solid #fecaca;
}

.badge.improvement {
  background-color: #eff6ff;
  color: var(--improvement);
  border: 1px solid #bfdbfe;
}

.badge.frontend {
  background-color: #f0f9ff;
  color: #0284c7;
  border: 1px solid #7dd3fc;
}

.badge.api {
  background-color: #fefce8;
  color: #ca8a04;
  border: 1px solid #fde047;
}

.badge.system {
  background-color: #faf5ff;
  color: #9333ea;
  border: 1px solid #d8b4fe;
}

/* Platform badges with logos */
.badge.platform {
  padding: var(--spacing-1) var(--spacing-2);
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  min-width: 28px;
  justify-content: center;
}

.badge.platform.ios {
  background-color: #f0f9ff;
  border-color: #bfdbfe;
}

.badge.platform.google-play {
  background-color: #f0fdf4;
  border-color: #bbf7d0;
}

.badge.platform.amazon {
  background-color: #fffbeb;
  border-color: #fed7aa;
}

.badge.platform.web {
  background-color: #f0f9ff;
  border-color: #bfdbfe;
}

.platform-logo {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary-blue);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--dark-blue);
}

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

.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

/* Loading States */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-8);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--gray-200);
  border-top: 3px solid var(--primary-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Footer */
.footer {
  background: var(--gray-800);
  color: var(--gray-300);
  text-align: center;
  padding: var(--spacing-6) 0;
  margin-top: var(--spacing-16);
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .nav {
    gap: var(--spacing-4);
  }
  
  .logo {
    gap: var(--spacing-2);
  }
  
  .logo-image {
    height: 32px;
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  h3 {
    font-size: var(--font-size-xl);
  }
  
  .card {
    padding: var(--spacing-4);
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--spacing-4); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mr-4 { margin-right: var(--spacing-4); }
.ml-4 { margin-left: var(--spacing-4); }

.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }

/* Retry button styles */
.retry-btn {
  background: var(--primary-blue);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.retry-btn:hover {
  background: var(--dark-blue);
  transform: translateY(-1px);
}

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

/* Error states */
.health-error {
  text-align: center;
  padding: var(--spacing-8);
  color: var(--gray-500);
}

.health-error p {
  margin-bottom: var(--spacing-4);
}