/**
 * QR Cards MVP Main CSS
 *
 * This file contains base styles for common HTML elements and imports
 * component-specific CSS files. It builds on the design system variables
 * defined in design-system.css.
 */

/* Import design system */
@import 'design-system.css';

/**
 * Base Styles
 *
 * These styles apply to common HTML elements and establish
 * the foundation for the application's visual design.
 */

/* Reset and Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
}

/* Body and HTML */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-md); }

p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast) ease-in-out;
}

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

small {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Lists */
ul, ol {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

li {
  margin-bottom: var(--spacing-xs);
}

/* Blockquote */
blockquote {
  border-left: 4px solid var(--color-secondary);
  margin-left: 0;
  margin-right: 0;
  padding-left: var(--spacing-md);
  color: var(--color-text-muted);
  font-style: italic;
}

/* Code */
code, pre {
  font-family: monospace;
  background-color: var(--color-light);
  border-radius: var(--border-radius-md);
}

code {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

pre {
  padding: var(--spacing-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

pre code {
  padding: 0;
  background-color: transparent;
}

/* Horizontal Rule */
hr {
  border: 0;
  border-top: 1px solid var(--color-light);
  margin: var(--spacing-lg) 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
}

th, td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-light);
  text-align: left;
}

th {
  font-weight: var(--font-weight-bold);
  background-color: var(--color-background-alt);
}

/* Images */
img {
  max-width: 100%;
  height: auto;
}

/* Forms */
input, select, textarea, button {
  font-family: var(--font-primary);
  font-size: var(--font-size-md);
}

/* Bootstrap Overrides */
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: #1a3535; /* Darker shade of primary */
  border-color: #1a3535;
}

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

.btn-secondary:hover, .btn-secondary:focus {
  background-color: #3d8696; /* Darker shade of secondary */
  border-color: #3d8696;
}

.bg-primary {
  background-color: var(--color-primary) !important;
}

.bg-secondary {
  background-color: var(--color-secondary) !important;
}

.text-primary {
  color: var(--color-primary) !important;
}

.text-secondary {
  color: var(--color-secondary) !important;
}

/* Utility Classes */
.text-muted {
  color: var(--color-text-muted) !important;
}

.bg-light {
  background-color: var(--color-light) !important;
}

/* Mobile Responsiveness Enhancements */
@media (max-width: 768px) {
  /* Typography adjustments for mobile */
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }

  /* Reduce padding on mobile */
  .container-fluid {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }

  /* Stack cards vertically on mobile */
  .card-deck .card {
    margin-bottom: var(--spacing-md);
  }

  /* Improve button spacing on mobile */
  .btn-group-vertical .btn {
    margin-bottom: var(--spacing-xs);
  }

  /* Better table responsiveness */
  .table-responsive {
    border: none;
  }

  /* Improve form layout on mobile */
  .form-row .col {
    margin-bottom: var(--spacing-sm);
  }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn {
    border-width: 2px;
  }

  .card {
    border-width: 2px;
  }
}

/* Focus improvements for keyboard navigation */
.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Import component styles */
@import 'components/navigation.css';
@import 'components/data-display.css';
@import 'components/forms.css';
@import 'components/feedback.css';
@import 'components/modals.css';