body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #e6f2f1; 
  display: flex;
  justify-content: center;
  padding: 30px 20px;
  color: #2f4f4f; 
}

.calendario-container {
  max-width: 420px;
  width: 100%;
  background: #ffffff;
  padding: 20px 25px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(47, 79, 79, 0.15);
}

h1 {
  text-align: center;
  margin-bottom: 25px;
  color: #2f4f4f;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.calendario {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
}

.dia-semana {
  text-align: center;
  font-weight: 700;
  color: #3b7a57; 
  padding-bottom: 8px;
  border-bottom: 2px solid #3b7a57;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.dia {
  background: #cce5d0; 
  padding: 15px 0;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  cursor: default;
  transition: background-color 0.3s ease, color 0.3s ease;
  user-select: none;
}

.dia:hover {
  background-color: #3b7a57;
  color: white;
}

.vazio {
  background: transparent;
  cursor: default;
  box-shadow: none;
}

.destaque {
  background-color: #2f4f4f; 
  color: white;
  font-weight: 700;
  box-shadow: 0 0 10px #3b7a57aa;
  cursor: default;
  transition: background-color 0.3s ease;
}

.destaque:hover {
  background-color: #3b7a57;
}