body {
  background: #e0e5ec;
  font-family: 'Segoe UI', sans-serif;
  color: #333;
}

nav {
  background: #e0e5ec;
  padding: 1rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
  box-shadow: inset 6px 6px 10px #c3c8d0, inset -6px -6px 10px #ffffff;
  border-radius: 12px;
  margin: 1rem;
}

nav a {
  color: #333;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #0077cc;
}

.card {
  background: #e0e5ec;
  border-radius: 20px;
  box-shadow: 10px 10px 30px #c1c7d1, -10px -10px 30px #ffffff;
  padding: 24px;
  margin-bottom: 20px;
}

button {
  background: #e0e5ec;
  border: none;
  border-radius: 12px;
  padding: 12px 24px;
  box-shadow: 6px 6px 10px #c3c8d0, -6px -6px 10px #ffffff;
  font-weight: bold;
  color: #333;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  box-shadow: inset 6px 6px 10px #c3c8d0, inset -6px -6px 10px #ffffff;
}

input, textarea {
  background: #e0e5ec;
  border: none;
  padding: 12px;
  border-radius: 10px;
  box-shadow: inset 4px 4px 8px #c1c7d1, inset -4px -4px 8px #ffffff;
  width: 100%;
  margin-bottom: 12px;
  font-size: 15px;
}