/* Existing styles */
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;
}

/* Dark Mode Variables and Implementation */
:root {
  /* Light mode colors */
  --bg-color: #ffffff;
  --text-color: #212529;
  --navbar-bg: #ffffff;
  --navbar-text: #000000;
  --border-color: #dee2e6;
  --footer-bg: #f8f9fa;
  --footer-text: #6c757d;
  --card-bg: #ffffff;
  --input-bg: #ffffff;
  --input-border: #ced4da;
}

[data-theme="dark"] {
  /* Dark mode colors */
  --bg-color: #1a1a1a;
  --text-color: #e9ecef;
  --navbar-bg: #2d2d2d;
  --navbar-text: #ffffff;
  --border-color: #495057;
  --footer-bg: #212529;
  --footer-text: #adb5bd;
  --card-bg: #2d2d2d;
  --input-bg: #343a40;
  --input-border: #495057;
}

/* Apply theme variables */
body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navbar styling */
.navbar {
  background-color: var(--navbar-bg) !important;
  border-color: var(--border-color) !important;
}

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

.navbar-nav .nav-link:hover {
  color: #3498db !important;
}

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

/* Footer styling */
.footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  border-color: var(--border-color) !important;
}

/* Card and form elements */
.card {
  background-color: var(--card-bg);
  color: var(--text-color);
  border-color: var(--border-color);
}

.form-control {
  background-color: var(--input-bg);
  color: var(--text-color);
  border-color: var(--input-border);
}

.form-control:focus {
  background-color: var(--input-bg);
  color: var(--text-color);
  border-color: #3498db;
}

/* Table styling for dark mode */
[data-theme="dark"] .table {
  color: var(--text-color);
}

[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Theme toggle button */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 8px 12px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background-color: var(--border-color);
}

/* Bootstrap overrides for dark mode */
[data-theme="dark"] .btn-outline-secondary {
  color: #adb5bd;
  border-color: #6c757d;
}

[data-theme="dark"] .btn-outline-secondary:hover {
  background-color: #6c757d;
  border-color: #6c757d;
}

[data-theme="dark"] .text-muted {
  color: #adb5bd !important;
}

[data-theme="dark"] .border-bottom {
  border-color: var(--border-color) !important;
}