/* ============================================================
   SmartAdmin Bootstrap 5 - Base Styles
   CSS Module: Foundation & Resets
   ============================================================ */

/* Root Variables */
:root {
  /* Primary Colors */
  --bs-primary: #2196f3;
  --bs-primary-rgb: 33, 150, 243;
  --bs-secondary: #757575;
  --bs-success: #4caf50;
  --bs-success-rgb: 76, 175, 80;
  --bs-danger: #f44336;
  --bs-danger-rgb: 244, 67, 54;
  --bs-warning: #ff9800;
  --bs-warning-rgb: 255, 152, 0;
  --bs-info: #00bcd4;
  --bs-info-rgb: 0, 188, 212;

  /* Neutral Colors */
  --bs-light: #f5f5f5;
  --bs-dark: #212121;
  --bs-gray-100: #f8f9fa;
  --bs-gray-200: #e9ecef;
  --bs-gray-300: #dee2e6;
  --bs-gray-400: #ced4da;
  --bs-gray-500: #adb5bd;
  --bs-gray-600: #6c757d;
  --bs-gray-700: #495057;
  --bs-gray-800: #343a40;
  --bs-gray-900: #212529;

  /* Spacing */
  --bs-spacer: 1rem;

  /* Borders */
  --bs-border-radius: 0.25rem;
  --bs-border-radius-sm: 0.1875rem;
  --bs-border-radius-lg: 0.375rem;
  --bs-border-radius-xl: 0.5rem;
  --bs-border-radius-2xl: 1rem;
  --bs-border-radius-pill: 50rem;

  /* Shadows */
  --bs-box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --bs-box-shadow-sm: 0 0.0625rem 0.125rem rgba(0, 0, 0, 0.075);
  --bs-box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* Dark Mode Variables */
[data-bs-theme="dark"] {
  --bs-body-bg: #121212;
  --bs-body-color: #ffffff;
  --bs-gray-100: #212121;
  --bs-gray-200: #303030;
  --bs-gray-300: #424242;
  --bs-gray-400: #616161;
  --bs-gray-500: #757575;
  --bs-gray-600: #9e9e9e;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--bs-body-color);
  background-color: var(--bs-body-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  color: inherit;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: inherit;
}

small, .small {
  font-size: 0.875rem;
}

/* Links */
a {
  color: var(--bs-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

/* Code */
code, pre {
  background-color: var(--bs-gray-100);
  padding: 0.25rem 0.5rem;
  border-radius: var(--bs-border-radius);
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
}

pre {
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

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

::-webkit-scrollbar-track {
  background: var(--bs-gray-200);
}

::-webkit-scrollbar-thumb {
  background: var(--bs-gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--bs-gray-500);
}

/* Selection */
::selection {
  background-color: var(--bs-primary);
  color: white;
}

/* Focus States */
*:focus {
  outline: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--bs-primary);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  body {
    background: white;
  }

  .no-print,
  .d-print-none {
    display: none !important;
  }
}
