/* Dark mode default */
:root {
  --bg: #23272f;
  --text: #e0e6ed;
  --panel: #2c313c;
  --heading: #f5f6fa;
  --link: #4fc3f7;
  --link-hover: #81d4fa;
}

body {
  font-family: Arial, sans-serif;
  margin: 2rem;
  background-color: var(--bg);
  color: var(--text);
}

h1,
h2 {
  color: var(--heading);
}

ul {
  list-style: none;
  display: inline-block;
  padding: 1rem;
  background: var(--panel);
  border-radius: 8px;
}

li {
  margin: 1rem;
}

a {
  text-decoration: none;
  color: var(--link);
  font-size: 1.2rem;
}

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

#mode-toggle {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: var(--panel);
  color: var(--heading);
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-bottom: 1rem;
}

/* Light mode overrides */
body.light-mode {
  --bg: #f5f6fa;
  --text: #23272f;
  --panel: #e0e6ed;
  --heading: #23272f;
  --link: #1976d2;
  --link-hover: #1565c0;
}