/* Dark Mode CSS */
:root {
  --bg-color: #f8f8fb;
  --text-color: #8492a6;
  --card-bg: #fff;
  --navbar-bg: #fff;
  --border-color: #eff2f7;
}

[data-theme="dark"] {
  --bg-color: #1a1a1a;
  --text-color: #e0e0e0;
  --card-bg: #2d2d2d;
  --navbar-bg: #2d2d2d;
  --border-color: #404040;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar {
  background-color: var(--navbar-bg) !important;
  border-bottom: 1px solid var(--border-color);
}

.card {
  background-color: var(--card-bg);
  border-color: var(--border-color);
}

.dark-mode-toggle {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: background-color 0.3s ease;
}

.dark-mode-toggle:hover {
  background-color: rgba(0,0,0,0.1);
}

[data-theme="dark"] .dark-mode-toggle:hover {
  background-color: rgba(255,255,255,0.1);
}