body { font-family: sans-serif; background-color: #f4f7f6; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; }
        .login-box { background: white; padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); width: 100%; max-width: 350px; text-align: center; }
        input { width: 90%; padding: 12px; margin: 10px 0; border: 1px solid #ccc; border-radius: 5px; }
        button { background: #2980b9; color: white; padding: 12px; border: none; width: 100%; font-size: 16px; cursor: pointer; border-radius: 5px; font-weight: bold; margin-top: 10px; }
        button:hover { background: #21618c; }
        .erro { color: #c0392b; background: #f9ebea; padding: 10px; border-radius: 4px; margin-bottom: 15px; font-size: 14px; }
        .links { margin-top: 15px; font-size: 14px; }
        .links a { color: #2980b9; text-decoration: none; }
        .links a:hover { text-decoration: underline; }