/* Mobile-first base styles */
body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
  color: #333;
}
header {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  list-style: none;
  justify-content: space-between;
}
header, footer {
  background: #004080;
  color: white;
  padding: 1em;
  text-align: center;
}

nav {
  margin-top: 0.5em;
}

nav a {
  margin: 0 0.5em;
  color: #fff;
  text-decoration: none;
}

main {
  padding: 1em;
  display: flex;
  flex-direction: column;
  gap: 2em;
  flex-wrap: nowrap;
}

section {
  margin-bottom: 2em;

}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1em;
  padding: 1em;
}

.card {
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 1em;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card h3 {
  margin: 0 0 0.5em;
}

.card p {
  margin: 0.3em 0;
}

.card button {
  margin-top: 0.5em;
  background: #d9534f;
  color: white;
  border: none;
  padding: 0.5em 1em;
  border-radius: 4px;
  cursor: pointer;
}

input, select, button {
  display: block;
  margin: 0.5em 0 1em 0;
}
/* Light mode defaults */
body {
  background-color: #f9f9f9;
  color: #222;
}

main {
  background-color: #f0f0f0; /* soft grey */
  padding: 1rem;
  border-radius: 6px;
}

/* Dark mode override */
body.dark-mode main {
  background-color: #403f3f; /* darker grey for dark mode */
  color: #847e7e;
}

form {
  background-color: #fff;
  padding: 1rem;
  border-radius: 6px;
}

/* Dark mode overrides */
body.dark-mode {
  background-color: #121212;
  color: #615d5d;
}

body.dark-mode form {
  background-color: #1e1e1e;
  border: 1px solid #333;
}

body.dark-mode header,
body.dark-mode nav,
body.dark-mode section,
body.dark-mode .card {
  background-color: #1e1e1e;
  border-color: #333;
}

/* Toggle button styling */
#darkModeToggle {
  padding: 0.5rem 1rem;
  background-color: #444;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  z-index: 1000;
}

#darkModeToggle:hover {
  background-color: #333;
}