:root {
  --cor-principal: #5c6bc0;
  --cor-secundaria: #8c9eff;
  --cor-fundo: #f5f6fa;
  --cor-texto: #333;
  --cor-card: #ffffff;
  --radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
  line-height: 1.6;
  padding: 20px;
}

.container {
  max-width: 768px;
  margin: 0 auto;
  background-color: var(--cor-card);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

header {
  text-align: center;
  margin-bottom: 30px;
}

header h1 {
  color: var(--cor-principal);
  font-size: 2.2rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

form select,
form input {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: var(--radius);
  font-size: 1rem;
}

form button {
  background-color: var(--cor-principal);
  color: white;
  padding: 12px;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.3s ease;
}

form button:hover {
  background-color: var(--cor-secundaria);
}

section {
  margin-top: 30px;
}

#lista-registros {
  list-style-type: none;
  padding: 0;
  margin-top: 15px;
}

#lista-registros li {
  background-color: var(--cor-fundo);
  border-left: 5px solid var(--cor-principal);
  margin-bottom: 10px;
  padding: 12px;
  border-radius: var(--radius);
}

#estatisticas {
  margin-top: 20px;
  background-color: #eef1fa;
  padding: 15px;
  border-radius: var(--radius);
}

#estatisticas ul {
  list-style-type: disc;
  padding-left: 20px;
  margin: 8px 0 0 0;  
  max-height: 150px; 
  overflow-y: auto;   
}

#analise-humor button {
  background-color: #444;
  color: white;
  padding: 10px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  margin-top: 10px;
}

@media (max-width: 600px) {
  .container {
    padding: 15px;
  }

  header h1 {
    font-size: 1.7rem;
  }
}