body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fff;
  color: #222;
}

header {
  padding: 2rem;
  background-color: #f0f0f0;
  text-align: center;
}

.navbar {
  background-color: #222;
  overflow: hidden;
}

.navbar ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.navbar li {
  margin: 0;
}

.navbar a {
  display: block;
  padding: 1rem 1.5rem;
  color: white;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.navbar a:hover {
  background-color: #555;
}

.symbol-chart, .cta-mood, .categories {
  padding: 2rem;
  text-align: center;
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  padding: 1rem;
}

.emoji-card {
  border: 1px solid #ccc;
  border-radius: 12px;
  padding: 1rem;
  background: #fafafa;
}

.emoji-card img {
  max-width: 60px;
  height: auto;
}

.cta-mood .button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background-color: #000;
  color: white;
  text-decoration: none;
  border-radius: 30px;
  font-weight: bold;
  transition: background 0.3s ease;
}

.cta-mood .button:hover {
  background-color: #444;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 1rem;
}

.category-card {
  background: #f8f8f8;
  padding: 1rem;
  border-radius: 10px;
}

.category-card img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

footer {
  padding: 1rem;
  font-size: 0.9rem;
  background-color: #f0f0f0;
  text-align: center;
}