body {
    font-family: Arial, sans-serif;
    background: #f2f2f2;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.login-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    width: 300px;
    text-align: center;
}
.logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 15px;
}
h2 { margin-top: 0; color: #333; }
input {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}
button {
    background: #2d72f3;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
}
button:hover { background: #1e56c1; }
.erro { color: red; font-size: 14px; margin-bottom: 10px; }
.footer { margin-top: 12px; font-size: 12px; color: #666; }