body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
}

header {
    text-align: center;
    margin-bottom: 1.5rem;
}

h1 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

p {
    color: #7f8c8d;
    margin: 0;
}

.input-group {
    display: flex;
    margin-bottom: 1.5rem;
}

#cep-input {
    flex: 1;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

#cep-input:focus {
    outline: none;
    border-color: #3498db;
}

button {
    padding: 12px 20px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #2980b9;
}

.hidden {
    display: none;
}

#loading {
    text-align: center;
    padding: 1rem;
    color: #7f8c8d;
    font-style: italic;
}

#resultado {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 5px;
    margin-top: 1rem;
}

#resultado h2 {
    color: #2c3e50;
    margin-top: 0;
    font-size: 1.2rem;
}

#endereco {
    line-height: 1.6;
}

#erro {
    background-color: #ffeaa7;
    color: #d35400;
    padding: 1rem;
    border-radius: 5px;
    margin-top: 1rem;
    text-align: center;
}