/* Base Styles and Variables */
:root {
  /* Light Theme Colors */
  --primary: #4361ee;
  --primary-dark: #3a56d4;
  --secondary: #3f37c9;
  --success: #4bb543;
  --info: #00b4d8;
  --warning: #f9c74f;
  --danger: #ef476f;
  --light: #f8f9fa;
  --dark: #212529;
  --gray: #6c757d;
  --gray-light: #e9ecef;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --text-primary: #212529;
  --text-secondary: #495057;
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --border-color: #e2e8f0;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Roboto Mono', SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 1rem;
  --spacing-4: 1.5rem;
  --spacing-5: 3rem;
  
  /* Border Radius */
  --border-radius-sm: 0.25rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* Box Shadow */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition: 250ms ease-in-out;
  --transition-slow: 400ms ease-in-out;

  /* Header */
  --header-bg: var(--bg-secondary);
  --header-text: var(--text-primary);

  /* Bootstrap variable mappings */
  --bs-body-bg: var(--bg-primary);
  --bs-body-color: var(--text-primary);
  --bs-border-color: var(--border-color);
  --bs-card-bg: var(--card-bg);
  --bs-secondary: var(--secondary);
  --bs-secondary-bg: var(--gray-light);
}

/* Dark Theme Variables */
[data-bs-theme="dark"] {
  --primary: #8ab4f8;
  --primary-dark: #6ea1f5;
  --secondary: #a6b1ff;
  --success: #42ba96;
  --info: #64d2ff;
  --warning: #f4c15d;
  --danger: #ff6b81;
  --light: #2b2f36;
  --dark: #0f1419;
  --gray: #94a3b8;
  --gray-light: #1f2937;
  --card-bg: #111827;
  --card-border: #1f2937;
  --text-primary: #e5e7eb;
  --text-secondary: #cbd5e1;
  --bg-primary: #0b1116;
  --bg-secondary: #0f1419;
  --border-color: #1f2937;

  /* Header */
  --header-bg: #0f1419;
  --header-text: #ffffff;

  /* Bootstrap variable mappings */
  --bs-body-bg: var(--bg-primary);
  --bs-body-color: var(--text-primary);
  --bs-border-color: var(--border-color);
  --bs-card-bg: var(--card-bg);
  --bs-secondary: var(--secondary);
  --bs-secondary-bg: var(--card-bg);
}

/* Base Styles */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

.skip-to-main {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 1em;
  background-color: var(--primary);
  color: white;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.skip-to-main:focus {
  left: 50%;
  transform: translateX(-50%);
  opacity: 1;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  scroll-behavior: smooth;
  text-rendering: optimizeSpeed;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header */
.app-header {
  background-color: var(--header-bg);
  color: var(--header-text);
  padding-top: var(--spacing-3);
  padding-bottom: var(--spacing-3);
}

.app-header h1,
.app-header .h2,
.app-header p,
.app-header a,
.app-header i {
  color: var(--header-text) !important;
}

/* Ensure muted text in header remains readable in dark mode */
.app-header .text-muted {
  color: var(--header-text) !important;
  opacity: 0.75;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--gray);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--dark);
}

/* Utility Classes */
.text-mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* Responsive Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

/* Links */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Layout */
.container {
  max-width: 1200px;
  padding: 0 var(--spacing-3);
}

/* Header */
.app-header {
  padding: 1.25rem 0;
  background-color: var(--header-bg);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1020;
  transition: all 0.3s ease;
  border-bottom: 1px solid var(--border-color);
}

.app-header.scrolled {
  padding: 0.75rem 0;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.app-header .container {
  padding: 0 1.5rem;
}

/* Main Content */
main {
  flex: 1;
  padding: 2rem 0;
  background-color: var(--bg-primary);
}

/* Section Headers */
section {
  margin-bottom: 2.5rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-light);
}

.section-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: color 0.3s ease;
}

.section-title i {
  color: var(--primary);
  font-size: 1.2em;
}

.section-badge {
  background-color: var(--primary);
  color: white;
  font-weight: 500;
  padding: 0.35em 0.75em;
  border-radius: 50rem;
  font-size: 0.8em;
  line-height: 1;
}

/* Cards */
.card {
  --card-transition: all 0.25s ease-in-out;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  overflow: hidden;
  background-color: var(--bs-card-bg, var(--bs-body-bg));
  transition: var(--card-transition);
  color: var(--bs-body-color);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease, border-color 0.3s ease;
  will-change: transform, box-shadow;
  background: var(--card-bg);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  break-inside: avoid;
  page-break-inside: avoid;
  color: var(--text-primary);
  
  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    transition: none;
  }
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card-body {
  padding: 1.25rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

/* Version Badges */
.version-badge {
  font-family: var(--font-mono);
  background-color: transparent;
  color: var(--text-primary);
  padding: 0;
  border-radius: 0.375rem;
  font-size: 0.85em;
  font-weight: 500;
  transition: color 0.2s ease;
  border: none;
}

.version-badge:hover {
  text-decoration: none;
}

/* Buttons */
.btn {
  border-radius: 0.5rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.1s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  position: relative;
  overflow: hidden;
  will-change: transform, box-shadow;
  
  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    transition: none;
  }
  
  /* Focus state */
  &:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
  }
  
  /* Ripple effect */
  &::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(255,255,255,0.8) 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform 0.5s, opacity 1s;
  }
  
  &:active::after {
    transform: scale(0, 0);
    opacity: 0.3;
    transition: 0s;
  }
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
}

.btn-outline-secondary {
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-outline-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

/* Copy Button */
.copy-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  opacity: 1;
  background-color: var(--gray-light);
}

.copy-btn.copied {
  color: var(--success);
  background-color: rgba(75, 181, 67, 0.1);
  border-color: rgba(75, 181, 67, 0.2);
}

/* Footer */
.app-footer {
  padding: 1.5rem 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: auto;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--primary);
  text-decoration: none;
}

/* Responsive Adjustments */
@media (max-width: 767.98px) {
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .section-badge {
    align-self: flex-start;
  }
  
  .card {
    margin-bottom: 1rem;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
}

/* Animation for tooltips */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.tooltip {
  animation: fadeIn 0.2s ease-out;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  pointer-events: none;
  
  @media (prefers-reduced-motion: reduce) {
    animation: none;
  }
}

/* Accessibility: Focus styles for keyboard navigation */
:focus:not(:focus-visible) {
  outline: none;
}

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

/* Performance optimizations */
@media (prefers-reduced-data: reduce) {
  * {
    background-image: none !important;
  }
  
  .card {
    box-shadow: none !important;
  }
}

/* Print URL after links */
@media print {
  a[href^="http"]:not([href*="mywebsite.com"])::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    font-weight: normal;
    color: #6c757d;
  }
  
  .container {
    max-width: 100% !important;
    padding: 0 1rem !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
    background: #fff !important;
  }
  
  @page {
    margin: 2cm;
  }
}

/* Fix for Bootstrap tooltip positioning */
.tooltip-inner {
  max-width: 300px;
  padding: 0.5rem 0.75rem;
  background-color: #1e293b;
  border-radius: 0.5rem;
}

.bs-tooltip-auto[data-popper-placement^=top] .tooltip-arrow::before, 
.bs-tooltip-top .tooltip-arrow::before {
  border-top-color: #1e293b;
}

/* Print Styles */
@media print {
  .app-header,
  .app-footer,
  .copy-btn,
  .section-badge {
    display: none !important;
  }
  
  .card {
    break-inside: avoid;
    page-break-inside: avoid;
    box-shadow: none !important;
    border: 1px solid #dee2e6 !important;
  }
  
  a {
    text-decoration: none !important;
  }
  
  .version-badge {
    background-color: transparent !important;
    border: 1px solid #dee2e6 !important;
    color: #212529 !important;
  }
}

/* Light theme styles */

/* Ensure consistent styling for cards */
.card {
  background-color: var(--card-bg);
  border-color: var(--card-border);
  color: var(--text-primary);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

/* Version badges */
.version-badge .badge, 
.badge.bg-secondary {
  background-color: var(--bs-secondary) !important;
  color: white !important;
  border: 1px solid var(--bs-border-color);
  padding: 0.35em 0.65em;
  border-radius: 0.375rem;
  display: inline-block;
}

/* Ensure form controls are properly styled */
.form-control, 
.form-select, 
.form-check-input {
  background-color: white;
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

.form-control:focus, 
.form-select:focus {
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
}

/* Text colors */
.text-body, 
.section-header, 
.card-title, 
.card-text,
.card-body, 
.section-title {
  color: var(--text-primary);
}

/* Links in cards */
.card a:not(.btn) {
  color: var(--primary);
  text-decoration: none;
}

.card a:not(.btn):hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Scrollbar styling */
::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    padding: 0;
    font-size: 12pt;
    background: white;
    color: black;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    font-weight: normal;
  }
}