html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

/* CSS Variables for theming */
:root {
  --bg-color: #ffffff;
  --text-color: #212529;
  --navbar-bg: #ffffff;
  --navbar-text: #212529;
  --border-color: #dee2e6;
  --footer-text: #6c757d;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #1a1a1a;
    --text-color: #e9ecef;
    --navbar-bg: #2d2d2d;
    --navbar-text: #e9ecef;
    --border-color: #495057;
    --footer-text: #adb5bd;
  }
}

/* Apply theme colors */
body {
  background-color: var(--bg-color);
  color: var(--text-color);
}

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

.navbar-light .navbar-brand,
.navbar-light .nav-link {
  color: var(--navbar-text) !important;
}

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

.border-bottom,
.border-top {
  border-color: var(--border-color) !important;
}

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