*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: aliceblue;
  color: #333;
}

header, footer {
  background: #d32f2f;
  color: white;
  text-align: center;
  padding: 1rem;
}

main {
  padding: 2rem;
  max-width: 600px;
  margin: auto;
}

.input-section, .output-section {
  margin-bottom: 2rem;
}

label {
  display: block;
  margin-top: 1rem;
}

input, select {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  margin-top: 1rem;
  padding: 0.7rem 1.2rem;
  background: #388e3c;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background: #2e7d32;
}

#freshness-meter {
  font-size: 2rem;
  font-weight: bold;
  color: #d32f2f;
  margin-top: 1rem;
}